WO2024085598A1 - 폴리머 - Google Patents
폴리머 Download PDFInfo
- Publication number
- WO2024085598A1 WO2024085598A1 PCT/KR2023/016044 KR2023016044W WO2024085598A1 WO 2024085598 A1 WO2024085598 A1 WO 2024085598A1 KR 2023016044 W KR2023016044 W KR 2023016044W WO 2024085598 A1 WO2024085598 A1 WO 2024085598A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- weight
- polymer
- parts
- less
- formula
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/38—Pressure-sensitive adhesives [PSA]
- C09J7/381—Pressure-sensitive adhesives [PSA] based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/385—Acrylic polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/34—Esters containing nitrogen, e.g. N,N-dimethylaminoethyl (meth)acrylate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
- C08F8/44—Preparation of metal salts or ammonium salts
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F226/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen
- C08F226/06—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen by a heterocyclic ring containing nitrogen
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J133/04—Homopolymers or copolymers of esters
- C09J133/14—Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur or oxygen atoms in addition to the carboxy oxygen
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2203/00—Applications of adhesives in processes or use of adhesives in the form of films or foils
- C09J2203/326—Applications of adhesives in processes or use of adhesives in the form of films or foils for bonding electronic components such as wafers, chips or semiconductors
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/302—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive being pressure-sensitive, i.e. tacky at temperatures inferior to 30°C
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/40—Additional features of adhesives in the form of films or foils characterized by the presence of essential components
- C09J2301/414—Additional features of adhesives in the form of films or foils characterized by the presence of essential components presence of a copolymer
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/80—Constructional details
Definitions
- This application relates to polymers, crosslinkable compositions containing the same, methods for producing the polymers, and uses of the polymers or crosslinkable compositions.
- Materials with anti-static functions can be applied to various fields.
- materials with anti-static properties and adhesive or adhesive properties are also used in optical devices such as LCD (Liquid Crystal Display) and OLED (Organic Light Emitting Diode).
- LCD Liquid Crystal Display
- OLED Organic Light Emitting Diode
- the LCD includes a liquid crystal panel having a liquid crystal layer and a polarizing plate.
- an adhesive having an antistatic function, etc. may be used. Adhesives with anti-static functions can also be applied to devices such as OLED, such as OLED panels.
- a general method of producing materials such as adhesives or adhesives with antistatic function is to mix an antistatic agent with a polymer having adhesive properties such as acrylic polymer.
- Antistatic agents that can be used above include various ionic compounds and interfaces. Activators and the like are known. However, these antistatic agents may bleed out from the adhesive or adhesive during use or storage, causing contamination or problems such as lifting, bubbles, or peeling. In addition, the antistatic agent may affect the performance of the adhesive or adhesive, particularly worsening re-work, etc. of the adhesive.
- an adhesive by directly polymerizing a monomer with an antistatic function, for example, an ionic monomer, into an acrylic polymer.
- an ionic monomer for example, an ionic monomer
- the monomer having the ionic property is added directly during the polymerization process, and polymerization is carried out.
- the ionic monomers since the ionic monomers usually have poor affinity for the solvent that serves as the polymerization medium, a heterogeneous polymer is formed, or the formed polymer is insoluble in the solvent, making storage difficult. there is a problem.
- the present application relates to a polymer, a crosslinkable composition comprising the same, a method of producing the crosslinkable composition, and a use of the polymer or the crosslinkable composition.
- the purpose of this application is to provide a polymer capable of forming a material with excellent antistatic function, a crosslinkable composition, a method for producing the same, and its use.
- the anti-static function can be shown without adding a separate anti-static agent, there is no bleeding out of the ingredient that exerts the anti-static function, it is easy to store, and the performance of the adhesive can be improved after being applied to the adhesive.
- the purpose is to provide a polymer that can be stably maintained, a crosslinkable composition, a method for producing the same, and a use thereof.
- the properties where temperature affects the physical properties are those measured at room temperature, unless otherwise specified.
- room temperature refers to a natural temperature that is not heated or reduced, for example, any temperature in the range of about 10°C to 30°C, for example, about 15°C, about 18°C, about 20°C, It means a temperature of about 23°C or about 25°C. Additionally, unless otherwise specified in the specification, the unit of temperature is °C.
- normal pressure refers to natural pressure that is not pressurized or decompressed, and is usually referred to as atmospheric pressure of about 1 atmosphere (about 700 to 800 mmHg).
- the physical properties are those measured at room temperature and pressure and with humidity not specifically adjusted.
- polymers may refer to a substance formed by linking two or more units (monomers, oligomers, etc.) by covalent bonds.
- the polymer may refer to a material that includes a structure in which two or more units are connected by a covalent bond and has a molecular weight of a certain level or higher.
- the polymer may be an acrylic polymer.
- acrylic polymer refers to a polymer containing polymerized units of acrylic monomer as a main component.
- the polymerized unit refers to a unit formed by being included in the polymer in a state in which the monomers form covalent bonds through polymerization.
- acrylic monomer refers to (meth)acrylic acid or its derivatives (eg, alkyl acrylic acid or alkyl methacrylic acid, etc.).
- (meth)acrylic may mean acrylic or methacrylic, or both.
- the fact that the polymer contains polymerized units of the acrylic monomer as a main component means that the proportion of the polymerized units of the acrylic monomer is 50% by weight or more, 55% by weight or more, or 60% by weight, based on the total weight of all polymerized units present in the polymer. It refers to the case where it is more than weight%, more than 65% by weight, more than 70% by weight, more than 75% by weight, more than 80% by weight, more than 85% by weight, more than 90% by weight, or more than 95% by weight, but less than 100% by weight.
- the polymer may be an ionic polymer containing an ionic moiety.
- the polymer may include an alkyl (meth)acrylate unit.
- the unit is a polymerized unit formed by polymerizing the alkyl (meth)acrylate.
- the alkyl (meth)acrylate includes, for example, alkyl (meth)acrylate in which the carbon number of the alkyl group portion is in the range of 1 to 20, 1 to 16, 1 to 12, 4 to 12, or 4 to 8.
- Acrylates can be used.
- the alkyl group of the alkyl (meth)acrylate may be straight-chain, branched-chain, or cyclic.
- alkyl (meth)acrylate examples include methyl (meth)acrylate, ethyl (meth)acrylate, n-propyl (meth)acrylate, isopropyl (meth)acrylate, and n-butyl (meth)acrylate.
- Latex Latex, t-butyl (meth)acrylate, sec-butyl (meth)acrylate, pentyl (meth)acrylate, 2-ethylhexyl (meth)acrylate, 2-ethylbutyl (meth)acrylate, isononyl ( Examples include, but are not limited to, meth)acrylate, n-octyl (meth)acrylate, or isooctyl (meth)acrylate.
- the weight ratio of the alkyl (meth)acrylate unit to the weight of all polymerized units included in the polymer can be adjusted.
- the weight ratio is 30% by weight or more, 31% by weight or more, 33% by weight or more, 34% by weight or more, 35% by weight or more, 36% by weight or more, 37% by weight or more, 38% by weight or more, 39% by weight or more, 40% by weight.
- % by weight or more 41% by weight or more, 42% by weight or more, 43% by weight or more, 44% by weight or more, 45% by weight or more, 46% by weight or more, 47% by weight or more, 48% by weight or more, 49% by weight or more, 50 It may be at least 51% by weight, at least 52% by weight, at least 53% by weight, at least 54% by weight, at least 55% by weight, at least 56% by weight, at least 57% by weight, or at least 58% by weight, and not more than 80% by weight.
- weight ratio may be within the range of one of the lower limits described above and the upper limit of one of the upper limits described above.
- the polymer may include a unit of the following formula (1) in addition to the alkyl (meth)acrylate unit.
- L may be an alkylene group or an alkylidene group
- R may be a hydrogen atom or an alkyl group
- R 1 to R 3 may each independently be an alkyl group.
- alkylene group refers to a divalent radical formed by removing one hydrogen atom from two different carbon atoms of an alkane.
- the carbon number of the alkylene group may be 2 to 20, 2 to 16, 2 to 12, 2 to 8, or 2 to 4.
- the alkylene group may be linear, branched, or cyclic.
- the alkylene group may be optionally substituted with one or more substituents.
- alkylidene group refers to a divalent radical formed by removing two hydrogen atoms from one carbon atom of an alkane.
- the carbon number of the alkylidene group may be 1 to 20, 1 to 16, 1 to 12, 1 to 8, or 1 to 4.
- the alkylidene group may be linear, branched, or cyclic.
- the alkylidene group may be optionally substituted with one or more substituents.
- the alkylidene group or alkylene group of Formula 1 may be the alkylidene group or alkylene group described above.
- the alkyl group of R may be an alkyl group having 1 to 20 carbon atoms, 1 to 16 carbon atoms, 1 to 12 carbon atoms, 1 to 8 carbon atoms, or 1 to 4 carbon atoms, or a methyl group.
- the alkyl group may be linear, branched, or cyclic.
- the alkyl group may be optionally substituted with one or more substituents.
- R 1 to R 3 may each independently be an alkyl group having 1 to 20 carbon atoms, 1 to 16 carbon atoms, 1 to 12 carbon atoms, 1 to 8 carbon atoms, or 1 to 4 carbon atoms, a methyl group, or an ethyl group.
- the alkyl group may be linear, branched, or cyclic.
- the alkyl group may be optionally substituted with one or more substituents.
- one of R 1 to R 3 in Formula 1 may be an ethyl group and the other two may be methyl groups, or all of R 1 to R 3 may be ethyl groups.
- the desired antistatic function can be secured while the polymer can exhibit physical properties suitable for forming an adhesive.
- the polymer of the present application contains the unit of Formula 1 in an amount of at least 20 parts by weight, at least 25 parts by weight, at least 30 parts by weight, at least 35 parts by weight, at least 40 parts by weight, and at least 45 parts by weight, relative to 100 parts by weight of the alkyl (meth)acrylate unit. It may contain at least 50 parts by weight, at least 50 parts by weight, or at least 60 parts by weight.
- the polymer of the present application contains the unit of Formula 1 in an amount of 120 parts by weight or less, 115 parts by weight, 110 parts by weight or less, 105 parts by weight or less, 100 parts by weight or less, 95 parts by weight, compared to 100 parts by weight of the alkyl (meth)acrylate unit.
- the ratio of the units of Formula 1 may be within the range of any one of the above-described lower limits and any of the above-described upper limits. Within this range, it is possible to provide a polymer that exhibits an appropriate antistatic function and is suitable for forming an adhesive. The adhesive formed from such a polymer exhibits appropriate adhesion and antistatic function, does not cause contamination by static electricity or contamination of the adherend upon peeling, and can stably secure re-peelability.
- the polymer may also contain other required polymerization units in addition to the above polymerization units.
- the polymer may include a unit of the following formula (2).
- L 1 may be an alkylene group or an alkylidene group
- R 12 may be a hydrogen atom or an alkyl group
- R 10 and R 11 may each independently be an alkyl group.
- the alkylene group may be an alkylene group having 2 to 20, 2 to 16, 2 to 12, 2 to 8, or 2 to 4 carbon atoms.
- the alkylene group may be linear, branched, or cyclic.
- the alkylene group may be optionally substituted with one or more substituents.
- the alkylidene group may be an alkylidene group of 1 to 20, 1 to 16, 1 to 12, 1 to 8, or 1 to 4.
- the alkylidene group may be linear, branched, or cyclic.
- the alkylidene group may be optionally substituted with one or more substituents.
- the alkyl group of R 12 may be an alkyl group having 1 to 20 carbon atoms, 1 to 16 carbon atoms, 1 to 12 carbon atoms, 1 to 8 carbon atoms, or 1 to 4 carbon atoms, or a methyl group.
- the alkyl group may be linear, branched, or cyclic.
- the alkyl group may be optionally substituted with one or more substituents.
- R 10 and R 11 may each independently be an alkyl group having 1 to 20 carbon atoms, 1 to 16 carbon atoms, 1 to 12 carbon atoms, 1 to 8 carbon atoms, or 1 to 4 carbon atoms, a methyl group, or an ethyl group.
- the alkyl group may be linear, branched, or cyclic.
- the alkyl group may be optionally substituted with one or more substituents.
- the unit of Formula 2 is a unit that acts as a precursor for the unit of Formula 1 in the process of manufacturing the polymer, which will be described later, and may be a unit that remains without being converted to Formula 1 during the conversion process.
- the polymer of the present application contains the unit of Formula 2 in an amount of 0.1 parts by weight or more, 0.5 parts by weight, 1 part by weight, 2 parts by weight, 3 parts by weight, or 4 parts by weight, relative to 100 parts by weight of the alkyl (meth)acrylate unit. parts by weight or more, 5 parts by weight or more, 5.5 parts by weight or more, 6 parts by weight or more, 7 parts by weight or more, 8 parts by weight or more, 9 parts by weight or more, 10 parts by weight or more, 11 parts by weight or more, 12 parts by weight or more, 13 parts by weight or more It may contain more than 14 parts by weight.
- the polymer of the present application contains 30 parts by weight or less, 28 parts by weight, 26 parts by weight, 24 parts by weight or less, 22 parts by weight or less, and 20 parts by weight of the unit of Formula 2 relative to 100 parts by weight of the alkyl (meth)acrylate unit. It may contain less than 18 parts by weight, less than 16 parts by weight, less than 14 parts by weight, less than 12 parts by weight, or less than 11 parts by weight.
- the ratio of the units of Formula 2 may be within the range of any one of the above-described lower limits and any of the above-described upper limits. Within this range, it is possible to provide a polymer that exhibits an appropriate antistatic function and is suitable for forming an adhesive.
- the adhesive formed from such a polymer exhibits appropriate adhesion and antistatic function, does not cause contamination by static electricity or contamination of the adherend upon peeling, and can stably secure re-peelability.
- the ratio (A/B) of the weight (A) of the unit of Formula 1 to the weight (B) of the unit of Formula 2 is 0.5 or more, 1 or more, 1.5 or more, 2 It may be greater than, 2.5 or greater, 3 or greater, 3.5 or greater, 4 or greater, 4.5 or greater, 5 or greater, or 5.5 or greater. In other examples, the ratio is 20 or less, 19 or less, 18 or less, 17 or less, 16 or less, 15 or less, 14 or less, 13 or less, 12 or less, 11 or less, 10 or less, 9 or less, 8 or less, 7 or less, 6 or less. , it may be 5 or less or 4 or less.
- the weight ratio A/B may be within the range of any one of the above-described upper limits and any one of the above-described lower limits.
- the polymer may optionally contain additional polymerized units in addition to the above units.
- the molecular weight of the polymer can be adjusted within an appropriate range.
- the molecular weight of the polymer is weight average molecular weight (Mw), which is approximately 5,000 g/mol or more, 10,000 g/mol or more, 15,000 g/mol or more, 20,000 g/mol or more, 25,000 g. /mol or more, 30,000 g/mol or more, 35,000 g/mol or more, 40,000 g/mol or more, 45,000 g/mol or more, 50,000 g/mol or more, 55,000 g/mol or more, or 60,000 g/mol or more.
- Mw weight average molecular weight
- the weight average molecular weight is about 200,000 g/mol or less, 150,000 g/mol or less, 100,000 g/mol or less, 90,000 g/mol or less, 80,000 g/mol or less, 70,000 g/mol or less, 60,000 g/mol or less, or 50,000 g/mol or less. It may be about g/mol or less.
- the molecular weight of the polymer may be within the range of any one of the lower limits described above and the upper limit of any one of the upper limits described above.
- the molecular weight of the polymer is approximately 5,000 g/mol or more, 10,000 g/mol or more, 15,000 g/mol or more, 20,000 g/mol or more, or 25,000 g in terms of number average molecular weight (Mn). It may be more than /mol.
- the number average molecular weight is about 200,000 g/mol or less, 150,000 g/mol or less, 100,000 g/mol or less, 90,000 g/mol or less, 80,000 g/mol or less, 70,000 g/mol or less, 60,000 g/mol or less, 50,000 It may be about g/mol or less, 45,000 g/mol or less, 40,000 g/mol or less, 35,000 g/mol or less, 30,000 g/mol or less, or 25,000 g/mol or less.
- the molecular weight of the polymer may be within the range of any one of the lower limits described above and the upper limit of any one of the upper limits described above.
- the weight average molecular weight and number average molecular weight are values measured by GPC (Gel Permeation Chromatograph) using polystyrene as a calibration standard sample, and specific measurement methods are described in the Examples.
- the polymer may have a molecular weight distribution, that is, a ratio (Mw/Mn) of the weight average molecular weight (Mw) and the number average molecular weight (Mn) of 1 or more, 1.5 or more, or 2 or more.
- the ratio Mw/Mn may be 10 or less, 9 or less, 8 or less, 7 or less, 6 or less, 5 or less, 4 or less, 3 or less, or 2 or less.
- the molecular weight distribution of the polymer may be within the range of any one of the above-described lower limits and any of the above-described upper limits.
- Crosslinkable composition means a composition that can be crosslinked.
- the crosslinkable composition can be crosslinked to form an adhesive.
- adhesive is as known in the industry.
- the crosslinkable composition may include a crosslinkable polymer and an ionic polymer.
- the ionic polymer may include the polymer described above.
- crosslinkable polymer in the above is a polymer that has a crosslinkable functional group (polar functional group) as described later and can participate in a crosslinking reaction.
- the crosslinkable polymer is also a material formed by linking two or more units (monomers, oligomers, etc.) by covalent bonds.
- the crosslinkable polymer may be an acrylic polymer.
- the meaning of the term acrylic polymer is as described above.
- the crosslinkable polymer also contains polymerized units of the acrylic monomer in an amount of 50% by weight, 55% by weight, 60% by weight, 65% by weight, or 70% by weight, based on the total weight of all polymerized units present in the polymer. % or more, 75% by weight or more, 80% by weight or more, 85% by weight or more, 90% by weight or more, or 95% by weight or more, and may be included in a ratio of 100% by weight or less.
- the polymer may include an alkyl (meth)acrylate unit.
- the unit is a polymerized unit formed by polymerizing the alkyl (meth)acrylate.
- the alkyl (meth)acrylate includes, for example, alkyl (meth)acrylates in which the carbon number of the alkyl group portion is in the range of 1 to 20, 1 to 16, 1 to 12, 4 to 12, or 4 to 8. You can use rate.
- the alkyl group of the alkyl (meth)acrylate may be straight-chain, branched-chain, or cyclic.
- the polymer is the alkyl (meth)acrylate unit, which includes an alkyl (meth)acrylate unit (first unit) having an alkyl group having 1 to 3 carbon atoms and an alkyl (meth)acrylate unit having an alkyl group having 4 or more carbon atoms. (second unit) may be included.
- the first unit an alkyl (meth)acrylate unit having an alkyl group having 1 to 3 carbon atoms
- the first unit may be an alkyl methacrylate unit having an alkyl group having 1 to 3 carbon atoms.
- the carbon number of the alkyl group included in the alkyl (meth)acrylate unit, which is the second unit, may be 4 to 20, 4 to 16, 4 to 12, 4 to 8, or 6 to 8. Additionally, the second unit may be an alkyl acrylate unit.
- the weight ratio of the alkyl (meth)acrylate unit to the weight of all polymerized units included in the crosslinkable polymer can be adjusted.
- the weight ratio is 60% by weight or more, 61% by weight or more, 63% by weight or more, 64% by weight or more, 65% by weight or more, 66% by weight or more, 67% by weight or more, 68% by weight or more, 69% by weight or more, 70% by weight or more.
- % by weight or more 71% by weight or more, 72% by weight or more, 73% by weight or more, 74% by weight or more, 75% by weight or more, 76% by weight or more, 77% by weight or more, 78% by weight or more, 79% by weight or more, 80 It may be at least 95% by weight, at least 81% by weight, at least 82% by weight, at least 83% by weight, at least 84% by weight, or at least 85% by weight, and at most 95% by weight, at least 94% by weight, at most 93% by weight, at most 92% by weight.
- the weight ratio may be within the range of one of the lower limits described above and the upper limit of one of the upper limits described above.
- the ratio (A2/A1) of the first unit weight (A1) and the second unit weight (A2) within the polymer may be adjusted.
- the ratio (A2/A1) may be 2 or more, 3 or more, 4 or more, 5 or more, 6 or more, or 7 or more.
- the ratio (A2/A1) may be 20 or less, 19 or less, 18 or less, 17 or less, 16 or less, 15 or less, 14 or less, 13 or less, 12 or less, 11 or less, 10 or less, 9 or less, or 8 or less.
- the ratio (A2/A1) may be within the range of one of the lower limits described above and the upper limit of one of the upper limits described above. Through this, properties such as glass transition temperature can be adjusted to an appropriate level, the desired function (antistatic function, etc.) can be efficiently secured, and a polymer with properties suitable for application as an adhesive can be obtained.
- the polymer may also contain other polymerized units as required in addition to the above polymerized units.
- the polymer may include a unit of the following formula (3).
- R 4 , R 5 , R 8 and R 9 are each independently a carbon atom or a carbonyl group, R 6 is a carbon atom or an oxygen atom or is not present, the bond of R 4 and R 5 and R 8 and R
- the bonds in 9 may each independently be a single bond or a double bond.
- R 6 in Formula 3 means that R 5 and R 9 are directly connected.
- R 4 , R 5 , R 8 and R 9 are each independently a carbon atom or a carbonyl group
- R 6 is a carbon atom or is absent
- the bond of R 9 is each independently a single bond or a double bond, and at least one of R 4 , R 5 , R 8 and R 9 may be a carbonyl group.
- one of R 4 and R 8 is a carbon atom, the other is a carbonyl group, R 6 is not present, and the bond between R 4 and R 5 and the bond between R 8 and R 9 are It may be a single bond.
- R 4 , R 5 , R 8 and R 9 are each a carbon atom, R 6 does not exist, and the bond between R 4 and R 5 and the bond between R 8 and R 9 are each a double bond. It can be.
- R 4 , R 5 , R 8 and R 9 are each a carbon atom, R 6 does not exist, and the bond between R 4 and R 5 and the bond between R 8 and R 9 are each a single bond. It can be.
- R 4 , R 5 , R 6 , R 8 and R 9 are each carbon atoms, and the bond between R 4 and R 5 and the bond between R 8 and R 9 may each be a single bond.
- R 4 , R 5 , R 8 and R 9 are each a carbon atom, R 6 is an oxygen atom, and the bond between R 4 and R 5 and the bond between R 8 and R 9 are each a single bond. It can be.
- the ratio of the unit in the crosslinkable polymer is, for example, 0.5 parts by weight or more, 1 part by weight, or more than 2 parts by weight based on 100 parts by weight of the alkyl (meth)acrylate unit. , it may be 3 parts by weight or more, 4 parts by weight or more, 5 parts by weight or more, or 6 parts by weight or more.
- the ratio of the unit is, for example, 20 parts by weight or less, 19 parts by weight or less, 18 parts by weight or less, and 17 parts by weight or less relative to 100 parts by weight of the alkyl (meth)acrylate unit.
- the ratio may be within the range of any one of the lower limits described above and any one of the upper limits described above. This range is advantageous for forming an adhesive that exhibits an appropriate antistatic function, does not cause contamination by static electricity or peeling, and exhibits appropriate adhesion and re-peelability.
- the crosslinkable polymer may further include a polar group-containing unit, if necessary. These units may be necessary to control cohesion or implement a cross-linked structure.
- the polar group-containing unit refers to a polymerized unit formed by a monomer having a polar group.
- the polar group-containing unit may be a hydroxy group-containing unit or a carboxyl group-containing unit. It is particularly advantageous to apply units containing hydroxy groups, but is not limited thereto. Since carboxyl group-containing units may cause corrosion in electronic devices, optical devices, etc., they may not be present in the polymer depending on the use of the polymer.
- hydroxyl group-containing monomers that can form hydroxyl group-containing units include 2-hydroxyethyl (meth)acrylate, 2-hydroxypropyl (meth)acrylate, 4-hydroxybutyl (meth)acrylate, and 6-hydroxyl. Roxyhexyl (meth)acrylate, 8-hydroxyoctyl (meth)acrylate, 2-hydroxy polyethylene glycol (meth)acrylate, or 2-hydroxy polypropylene glycol (meth)acrylate, etc. are usually mentioned. Hydroxyalkyl (meth)acrylates may be used. In the hydroxyalkyl (meth)acrylate, the carbon number of the alkyl group may be 1 to 20, 1 to 16, 1 to 12, 1 to 8, 2 to 8, 3 to 8, 4 to 8, or 4 to 6.
- carboxyl group-containing monomers that can form carboxyl group-containing units include (meth)acrylic acid, 2-(meth)acryloyloxy acetic acid, 3-(meth)acryloyloxy propylic acid, and 4-(meth)acrylic acid.
- Royloxy butyric acid, acrylic acid doublet, itaconic acid, maleic acid and/or maleic anhydride, etc. may be mentioned.
- the polar group-containing unit is present in an amount of at least 1 part by weight, at least 2 parts by weight, at least 3 parts by weight, at least 4 parts by weight, at least 5 parts by weight, at least 6 parts by weight, and at least 7 parts by weight, based on 100 parts by weight of the alkyl (meth)acrylate unit. It may be included in the polymer in a ratio of at least 8 parts by weight, at least 9 parts by weight, at least 10 parts by weight, at least 11 parts by weight, at least 12 parts by weight, or at least 13 parts by weight.
- the polar group-containing unit is 30 parts by weight or less, 29 parts by weight or less, 28 parts by weight or less, 27 parts by weight or less, 26 parts by weight or less, 25 parts by weight or less, 24 parts by weight, based on 100 parts by weight of the alkyl (meth)acrylate unit. parts by weight or less, 23 parts by weight or less, 22 parts by weight or less, 21 parts by weight or less, 20 parts by weight or less, 19 parts by weight or less, 18 parts by weight or less, 17 parts by weight or less, 16 parts by weight or less, 15 parts by weight or less, 14 parts by weight or less part or less or 13.5 parts by weight or less may be included in the crosslinkable polymer.
- the ratio may be within the range of any one of the above-described lower limits and any of the above-described upper limits. This range can be effective in forming an adhesive that exhibits an appropriate antistatic function, does not cause contamination by static electricity or leaves contamination on the adherend during the peeling process, and has appropriate re-peelability and adhesion.
- the crosslinkable polymer may also contain other polymerized units if desired.
- the molecular weight of the crosslinkable polymer can be adjusted within an appropriate range.
- the molecular weight of the crosslinkable polymer is approximately 10,000 g/mol or more, 50,000 g/mol or more, 100,000 g/mol or more, 150,000 g/mol or more in weight average molecular weight (Mw), 200,000 g/mol or more, 250,000 g/mol or more, 300,000 g/mol or more, 350,000 g/mol or more, 400,000 g/mol or more, 450,000 g/mol or more, 500,000 g/mol or more, 550,000 g/mol or more, or 600,000 g It may be more than /mol.
- the weight average molecular weight may be about 2,000,000 g/mol or less, 1,500,000 g/mol or less, 1,000,000 g/mol or less, 900,000 g/mol or less, 800,000 g/mol or less, 700,000 g/mol or less, or 650,000 g/mol or less. there is.
- the molecular weight of the polymer may be within the range of any one of the lower limits described above and the upper limit of any one of the upper limits described above.
- the molecular weight of the polymer is approximately 5,000 g/mol or more, 10,000 g/mol or more, 15,000 g/mol or more, 20,000 g/mol or more, 25,000 g in terms of number average molecular weight (Mn).
- the number average molecular weight may be about 200,000 g/mol or less, 150,000 g/mol or less, or 100,000 g/mol or less.
- the molecular weight of the polymer may be within the range of any one of the lower limits described above and the upper limit of any one of the upper limits described above.
- the weight average molecular weight and number average molecular weight can be obtained in the same manner as for ionic polymers.
- the polymer has a molecular weight distribution, that is, a ratio (Mw/Mn) of the weight average molecular weight (Mw) and the number average molecular weight (Mn) of 1 or more, 1.5 or more, 2 or more, 2.5 or more, 3 or more, 3.5 or more, 4 or more, It may be 4.5 or more, 5 or more, 5.5 or more, or 6 or more. In other examples, the ratio Mw/Mn may be 10 or less, 9.5 or less, 9 or less, 8.5 or less, 8 or less, 7.5 or less, 7 or less, 6.5 or less, or 6 or less.
- the molecular weight distribution of the crosslinkable polymer may be within the range of any one of the above-described lower limits and any one of the above-described upper limits.
- the crosslinkable composition includes the crosslinkable polymer as described above together with the ionic polymer described above.
- the proportion of the crosslinkable polymer in the crosslinkable composition is not particularly limited, but is about 50% by weight or more, 55% by weight or more, 60% by weight or more, 65% by weight or more, 70% by weight or more, 75% by weight or more, 80% by weight or more. It may be more than 85% by weight, or more than 90% by weight. In other examples, the ratio may be less than 100% by weight, less than 95% by weight, less than 90% by weight, less than 85% by weight, less than 80% by weight, less than 75% by weight, or less than 70% by weight. The ratio may be within the range of any of the lower limits described above and the upper limits of any of the upper limits described above.
- the ionic polymer is used in an amount of 1 part by weight, 2.5 parts by weight, 5 parts by weight, 10 parts by weight, 15 parts by weight, 20 parts by weight, 25 parts by weight, and 30 parts by weight, based on 100 parts by weight of the crosslinkable polymer. It may be included in a ratio of more than 35 parts by weight, or more than 40 parts by weight.
- the ionic polymer is used in an amount of 60 parts by weight or less, 55 parts by weight or less, 50 parts by weight or less, 45 parts by weight, 40 parts by weight or less, 35 parts by weight or less, 30 parts by weight or less, 25 parts by weight or less, based on 100 parts by weight of the crosslinkable polymer.
- the crosslinkable composition may contain various other necessary additives as long as it contains the crosslinkable and ionic polymer.
- the cross-linkable composition may additionally include a cross-linking agent, if necessary.
- a crosslinking agent is included, at least the crosslinkable polymer may exist in a crosslinked state in the crosslinkable composition. That is, the cross-linking agent can implement a cross-linking structure with a cross-linkable polymer containing a polar group-containing unit.
- crosslinking agent an appropriate type may be selected depending on the type of polar group contained in the crosslinkable polymer.
- the polar group is a hydroxy group
- an isocyanate crosslinking agent may be typically used as the crosslinking agent.
- the types of applicable cross-linking agents are not limited to the above, and other cross-linking agents may also be used appropriately.
- an aliphatic cyclic polyvalent isocyanate compound and/or an aliphatic acyclic polyvalent isocyanate compound may be used.
- multivalent means that the compound contains two or more isocyanate groups.
- the number of isocyanate groups present in the compound is 2 to 10, 2 to 9, 2 to 8, 2 to 7, 2 to 6, 2 to 5, and 2 to 8. There may be 4 or 2 or 3.
- the aliphatic cyclic isocyanate compound include isocyanate compounds such as isophorone diisocyanate, methylene dicyclohexyl diisocyanate, or cyclohexane diisocyanate, or dimers thereof.
- Derivatives such as (dimer) or trimer, or reactants of any of the above with polyol (ex. trimethylolpropane) may be exemplified, and examples of aliphatic acyclic isocyanate compounds include those having 1 to 1 carbon atoms, such as hexamethylene diisocyanate. 20, alkylene diisocyanate compounds having 1 to 16 carbon atoms, 1 to 12 carbon atoms or 1 to 8 carbon atoms, derivatives such as dimers or trimers thereof, or any of the above and polyol (ex. trimethylolpropane) ) and reactants may be exemplified, but are not limited thereto.
- the usage ratio of the crosslinking agent is 0.01 part by weight, 0.05 part by weight, 0.1 part by weight, 0.15 part by weight, 0.2 part by weight, or 0.25 part by weight, based on 100 parts by weight of the total crosslinkable and ionic polymer (based on solid content). It can be more than wealth. In other examples, the ratio is 10 parts by weight or less, 9 parts by weight or less, 8 parts by weight or less, 7 parts by weight or less, 6 parts by weight or less, 5 parts by weight or less, 4 parts by weight or less, 3 parts by weight or less, 2 parts by weight or less.
- the ratio of the cross-linking agent may be within the range of any one of the above-described upper limits and any one of the above-described lower limits.
- the cross-linking agent can efficiently form the desired cross-linking structure.
- the cross-linkable composition may further include a cross-linking retardant.
- crosslinking retardant known compounds can be used, for example, ⁇ - such as methyl acetoacetate, ethyl acetoacetate, octyl acetoacetate, oleyl acetoacetate, lauryl acetoacetate and/or stearyl acetoacetate.
- ⁇ - such as methyl acetoacetate, ethyl acetoacetate, octyl acetoacetate, oleyl acetoacetate, lauryl acetoacetate and/or stearyl acetoacetate.
- ketoesters or ⁇ -diketones such as acetylacetone, 2,4-hexanedione, and/or benzoylacetone can be used.
- the usage ratio of the crosslinking retardant is 0.1 part by weight, 0.5 part by weight, 1 part by weight, 1.5 part by weight, 2 parts by weight or more, based on 100 parts by weight of the total crosslinkable and ionic polymer (based on solid content). It may be 2.5 parts by weight or more or 3 parts by weight or more. In other examples, the ratio may be 10 parts by weight or less, 9 parts by weight or less, 8 parts by weight or less, 7 parts by weight or less, 6 parts by weight or less, 5 parts by weight or less, 4 parts by weight or less, or 3 parts by weight or less.
- the ratio of the crosslinking retardant may be within the range of any one of the above-described upper limits and any one of the above-described lower limits.
- the ratio (A/B) of the weight (A) of the cross-linking retardant to the weight (B) of the cross-linking agent is 0.5 or more, 1 or more, 2 or more, 3 or more, 4 or more, 5. It may be 6 or more, 7 or more, 8 or more, 9 or more, 10 or more, 11 or more, or 12 or more.
- the weight ratio (A/B) may be about 30 or less, 28 or less, 26 or less, 24 or less, 22 or less, 20 or less, 18 or less, 16 or less, 14 or less, or 12 or less.
- the weight ratio A/B may be within the range of any one of the above-described upper limits and any one of the above-described lower limits.
- the crosslinkable composition may contain appropriate additional components in addition to the above components, for example, a silane coupling agent, a tackifier, a multifunctional acrylate, an antifoaming agent, an antioxidant, a surfactant and/or a plasticizer, etc. It may be possible.
- a silane coupling agent for example, a silane coupling agent, a tackifier, a multifunctional acrylate, an antifoaming agent, an antioxidant, a surfactant and/or a plasticizer, etc. It may be possible.
- the present application also relates to a method of preparing the crosslinkable composition.
- the manufacturing method may basically include mixing the crosslinkable polymer and the ionic polymer.
- Each of the above polymers can be formed by polymerizing monomers included in a monomer mixture formulated in consideration of the composition of the desired polymerization unit.
- a method of obtaining an ionic polymer containing a unit of Formula 1 includes the steps of reacting an alkyl (meth)acrylate and a monomer mixture containing a compound of Formula 4 below to obtain a polymer, and the polymer and a haloalkane. It may include the step of reacting.
- an ionic monomer containing the structure of Formula 1 may be directly added to the monomer mixture for solution polymerization and polymerization may be performed.
- the ionic monomers described above generally have poor solubility in the solvent in which solution polymerization is performed, and as a result, a heterogeneous polymer is formed, or the solubility of the formed polymer in the solvent is low, causing storage problems. . Additionally, the ionic polymer formed in this way has poor compatibility with the crosslinkable polymer.
- the compound of Formula 4 below is polymerized to form the unit of Formula 2, and this unit can be converted to the unit of Formula 1 through reaction with the haloalkane. By controlling the reaction in this process, some of the units of Formula 2 may be converted to units of Formula 1, and other units may remain.
- L 1 may be an alkylene group or an alkylidene group
- R 12 may be a hydrogen atom or an alkyl group
- R 10 and R 11 may each independently be an alkyl group.
- Examples of the compound of Formula 4 include dialkylaminoalkyl (meth)acrylate.
- the alkylene group may be an alkylene group having 2 to 20, 2 to 16, 2 to 12, 2 to 8, or 2 to 4 carbon atoms.
- the alkylene group may be linear, branched, or cyclic.
- the alkylene group may be optionally substituted with one or more substituents.
- the alkylidene group may be an alkylidene group of 1 to 20, 1 to 16, 1 to 12, 1 to 8, or 1 to 4.
- the alkylidene group may be linear, branched, or cyclic.
- the alkylidene group may be optionally substituted with one or more substituents.
- the alkyl group of R 12 may be an alkyl group having 1 to 20 carbon atoms, 1 to 16 carbon atoms, 1 to 12 carbon atoms, 1 to 8 carbon atoms, or 1 to 4 carbon atoms, or a methyl group.
- the alkyl group may be linear, branched, or cyclic.
- the alkyl group may be optionally substituted with one or more substituents.
- R 10 and R 11 may each independently be an alkyl group having 1 to 20 carbon atoms, 1 to 16 carbon atoms, 1 to 12 carbon atoms, 1 to 8 carbon atoms, or 1 to 4 carbon atoms, or a methyl group or an ethyl group.
- the alkyl group may be linear, branched, or cyclic.
- the alkyl group may be optionally substituted with one or more substituents.
- the alkyl (meth)acrylate included in the monomer mixture is a monomer that forms the alkyl (meth)acrylate unit
- the compound of Formula 4 is a precursor for forming the unit of Formula 1
- Formula 2 forms a unit of
- the specific type of the alkyl (meth)acrylate in the monomer mixture can be controlled to form the alkyl (meth)acrylate unit, and the alkyl (meth)acrylate and the compound of Formula 4
- the ratio may apply to the alkyl (meth)acrylate unit and the units of Formulas 1 and 2.
- a solvent may additionally be present.
- a solvent applicable to conventional solution polymerization may be applied, for example, substituted or unsubstituted aliphatic C 1 to C 20 saturated hydrocarbon solvents such as n-hexane, n-heptane, cyclohexane, and isooctane; Aliphatic ketone solvents such as acetone, methyl ethyl ketone, methyl propyl ketone, methyl isopropyl ketone, methyl butyl ketone, methyl isobutyl ketone, diethyl ketone, diisopropyl ketone, cyclobutanone, cyclopentanone, and cyclohexanone.
- Aliphatic ester solvents such as methyl acetate, ethyl acetate (EAc), propyl acetate, isopropyl acetate, butyl acetate, and isobutyl acetate; and/or one or two or more types selected from substituted or unsubstituted aromatic solvents such as benzene, toluene, ethylbenzene, and xylene, but are not limited thereto.
- the solvent may be included in an amount of 40 parts by weight or more, 45 parts by weight or more, or 50 parts by weight or more based on 100 parts by weight of the total monomers included in the monomer mixture.
- the solvent may be included in an amount of 70 parts by weight or less, 65 parts by weight, or 60 parts by weight or less based on 100 parts by weight of the total monomer.
- the proportion of solvent can be adjusted as needed.
- a reaction initiator may additionally be present in the monomer mixture.
- a radical initiator may be used.
- a radical initiator a radical thermal initiator or a radical photoinitiator may be used, and the specific types thereof are not particularly limited.
- the initiator includes, for example, 2,2-azobis-2,4-dimethylvaleronitrile (V-65, Wako (manufactured by)), 2,2-azobisisobutyronitrile (V Azo-based initiators such as -60, Wako (manufactured by)) and/or 2,2-azobis-2-methylbutyronitrile (V-59, Wako (manufactured by)) may be used, but are not limited thereto.
- V-65 2,2-azobis-2,4-dimethylvaleronitrile
- V Azo-based initiators such as -60, Wako (manufactured by)
- V-59, Wako (manufactured by) 2,2-azobis-2-methylbutyronitrile
- the reaction initiator may be present in an appropriate ratio depending on the desired polymer, and may be included at a concentration of, for example, 200 ppm or more, 250 ppm or more, 300 ppm or more, or 350 ppm or more. In another example, the reaction initiator may be included at a concentration of 600 ppm or less, 550 ppm or less, 500 ppm or 450 ppm or less.
- the monomer mixture may further include optional additives such as chain transfer agents.
- the method of carrying out the polymerization of the monomer mixture as described above is not particularly limited, and the polymerization may proceed according to a known solution polymerization method.
- the unit of Formula 1 can be formed by reacting the polymer with a haloalkane.
- the reaction may be performed by adding the haloalkane to the polymerization solution obtained after preparing the polymer, or by recovering the polymer from the polymerization solution and mixing it again with the haloalkane.
- haloalkane a compound in which one of the hydrogen atoms of the alkane is replaced with halogen can be used.
- the substituted halogen may include Br, Cl, F, or I, but is not limited thereto.
- the haloalkane may be a haloalkane having 1 to 20 carbon atoms, 1 to 16 carbon atoms, 1 to 12 carbon atoms, 1 to 8 carbon atoms, or 1 to 4 carbon atoms, for example, halomethane or haloethane. there is.
- the haloalkane may be linear, branched, or cyclic, and may be optionally substituted with one or more substituents.
- the reaction can be performed by diluting the haloalkane in an appropriate solvent and mixing it with a polymerization solution containing the polymer or another solution containing the polymer.
- This reaction can be performed, for example, at a temperature of about 50°C or higher, 55°C or higher, 60°C or higher, 65°C or higher, 70°C or higher, 75°C or higher, or 80°C or higher.
- the reaction temperature is 200 °C or less, 190 °C or less, 180 °C or less, 170 °C or less, 160 °C or less, 150 °C or less, 140 °C or less, 130 °C or less, 120 °C or less, 110 °C or less, 100 °C or less, 95 °C It may be about 90°C or less, 85°C or less, or 80°C or less.
- the range of reaction temperature may be within the range of any one of the above-described upper limits and any one of the above-described lower limits.
- the reaction can be performed, for example, for about 1 hour or more, 5 hours or more, 15 hours or more, or 20 hours or more.
- the reaction time may be 200 hours or less, 150 hours or less, 100 hours or less, 90 hours or less, 80 hours or less, 70 hours or less, 60 hours or less, 50 hours or less, 40 hours or less, 30 hours or less, or 20 hours or less.
- the range of reaction time may be within the range of any one of the above-described upper limits and any of the above-described lower limits.
- the crosslinkable polymer in the method for producing the crosslinkable composition, can be manufactured by applying a known solution polymerization method.
- the method for producing a crosslinkable composition may further include the step of mixing other additives such as the crosslinking retardant or crosslinking agent.
- the present application also relates to the use of said polymer or crosslinkable composition.
- the crosslinkable composition or polymer can be used in various fields that require antistatic function.
- this application may be directed to a laminate to which the crosslinkable composition or its crosslinked product is applied.
- the crosslinkable product of the crosslinkable composition may be an adhesive, and in this case, the crosslinkable polymer may be an adhesive polymer.
- This laminate may include, for example, an electronic substrate and the adhesive attached to one or both sides of the electronic substrate.
- the electronic substrate may be an Organic Light Emitting Diode (OLED) panel. Therefore, in this case, the laminate may be an OLED device including an OLED panel and the adhesive attached to one or both sides of the OLED panel.
- OLED Organic Light Emitting Diode
- the method of forming the cross-linked product applied to the laminate is not particularly limited.
- the cross-linked product may be formed by applying an appropriate cross-linking method considering the type of polymer and/or cross-linking agent to which the cross-linkable composition is applied.
- the polymer and/or crosslinking agent is a type that is crosslinked by applying heat
- a crosslinked product can be formed by applying appropriate heat, and other crosslinking methods can also be applied.
- the thickness of the layer is not particularly limited and may have an appropriate thickness. For example, it may be 10 ⁇ m or more, 30 ⁇ m or more, 50 ⁇ m or more, 70 ⁇ m or more, or 90 ⁇ m or more. In other examples, the thickness of the layer may be 500 ⁇ m or less, 400 ⁇ m or less, 300 ⁇ m or less, 200 ⁇ m or less, 180 ⁇ m or less, 160 ⁇ m or less, 140 ⁇ m or less, or 120 ⁇ m or less.
- the present application can provide a polymer, a crosslinkable composition containing the same, a method for producing the crosslinkable composition, and a use of the polymer or the crosslinkable composition.
- a polymer capable of forming a material with excellent antistatic function, a crosslinkable composition, a method for producing the same, and a use thereof can be provided.
- the anti-static function can be shown without adding a separate anti-static agent, there is no bleeding out of the ingredient that exerts the anti-static function, it is easy to store, and the performance of the adhesive can be improved after being applied to the adhesive.
- a polymer that can be stably maintained, a crosslinkable composition, a method for producing the same, and a use thereof can be provided.
- Figures 1 to 4 show NMR analysis results for the polymer prepared in the production example.
- the surface resistance of the adhesive layer was measured under conditions of a temperature of 25°C and a relative humidity of 40%. Surface resistance was measured using Mitsubishi Chemical's HIRESTA-UP (MCP-HT450) after applying a voltage of 500 V for 10 seconds under the above temperature and relative humidity .
- Contamination resistance was evaluated by visually observing the surface condition of the adhesive layer to determine whether contamination due to static electricity occurred in the adhesive layer after measuring the surface resistance.
- the evaluation criteria for the fouling resistance are as follows.
- Reworkability was evaluated by attaching the adhesive layer to an adherend, peeling it off, and observing the surface condition of the peeled adhesive layer.
- a glass substrate was used as the adherend, and peeling was performed at a peeling angle of about 180 degrees and a peeling speed of about 300 mm/min.
- the evaluation criteria for reworkability are as follows.
- Standard sample polystyrene (Mp: 3900000, 723000, 316500, 52200, 31400, 7200, 3940, 485)
- EHA 2-Ethylhexyl acrylate
- MMA methyl methacrylate
- HOA 2-hydroxyethyl acrylate
- N- Vinyl-2-pyrrolidone
- NDP Vinyl-2-pyrrolidone
- EHA:MMA:HEA:NVP ethyl acetate
- AIBN azobisisobutyronitrile
- the polymerization reaction proceeded for about 5 to 6 hours and was completed when the conversion rate reached about 90% or more, and polymer (A) was obtained.
- the conversion rate is calculated by Equation 1 below.
- A is the solid content of the monomer mixture
- B is the weight of the polymer after the polymerization reaction before drying (unit: g)
- C is the weight of the polymer after the polymerization reaction after drying (unit: g).
- drying to measure the weight (C) was performed by maintaining the polymer at a temperature of about 150°C for about 30 minutes.
- the weight average molecular weight (Mw) of the polymer (A) was about 600,000, and the number average molecular weight (Mn) was about 100,000.
- Butyl acrylate (BA) and 2-(dimethylamino)ethyl acrylate (DMAEA) were added at a weight ratio of 60:40 (BA:DMAEA) in a 1L reactor in which nitrogen gas was refluxed and a cooling device was installed to facilitate temperature control. ), and ethyl acetate (EAc) was added as a solvent to prepare a monomer mixture.
- the solvent was added in an amount of about 50 to 60 parts by weight based on 100 parts by weight of the total monomer.
- nitrogen gas was purged to remove oxygen, and azobisisobutyronitrile (AIBN) was added as a reaction initiator at 65°C to initiate the polymerization reaction.
- AIBN azobisisobutyronitrile
- the polymerization reaction proceeded until the conversion rate reached 90% or more to obtain a primary polymer (primary polymer product).
- the conversion rate is calculated in the same way as in Preparation Example 1.
- the weight average molecular weight (Mw) of the obtained polymer (B) was about 50,000, and the number average molecular weight (Mn) was about 25,000.
- Figures 1 and 2 are diagrams showing NMR analysis results for the primary polymer and polymer (B).
- Figure 1 shows the results for the primary polymer
- Figure 2 shows the results for the final polymer (B).
- R is hydrogen
- L is an ethylene group
- R 1 and R 3 are methyl groups
- R 2 is an ethyl group.
- Table 1 shows the results of confirming the weight ratio of polymerized units included in the polymer during the manufacturing process, where BA, DMAEA, and Chemical Formula A are butyl acrylate, 2-(dimethylamino)ethyl acrylate, and the unit of Chemical Formula A, respectively. is the ratio of
- the solvent was added in an amount of about 50 to 60 parts by weight based on 100 parts by weight of the total monomer.
- nitrogen gas was purged to remove oxygen, and azobisisobutyronitrile (AIBN) was added as a reaction initiator at 65°C to initiate the polymerization reaction.
- AIBN azobisisobutyronitrile
- the polymerization reaction proceeded until the conversion rate reached 90% or more to obtain a primary polymer (primary polymer product).
- the conversion rate was confirmed in the same manner as Preparation Example 2.
- the weight average molecular weight (Mw) of the obtained polymer (C) was about 60,000, and the number average molecular weight (Mn) was about 25,000.
- Figures 3 and 4 are diagrams showing NMR analysis results for the primary polymer and polymer (C), where Figure 3 is the result for the primary polymer and Figure 4 is the result for the final polymer (C).
- R is hydrogen
- L is an ethylene group
- R 1 to R 3 are ethyl groups.
- Table 2 shows the results of confirming the weight ratio of polymerized units included in the polymer during the manufacturing process, where BA, DEAEA, and Formula B are butyl acrylate, 2-(diethylamino)ethyl acrylate, and Formula B, respectively. It is a ratio of units.
- EHA 2-ethylhexyl acrylate
- HOA 2-hydroxyethyl acrylate
- NDP N-vinyl-2-pyrrolidone
- EHA 2-ethylhexyl acrylate
- MMA methyl methacrylate
- HOA 2-hydroxyethyl acrylate
- Polymer (E) was prepared in the same manner as in Example 1 except that.
- a polymer mixture was prepared by mixing the polymer (A) of Preparation Example 1 and the polymer (B) of Preparation Example 2 at a weight ratio (A:B) of 95:5.
- the adhesive composition was then coated on release paper and maintained at 120°C for about 4 minutes and 30 seconds to prepare an adhesive layer with a thickness of about 100 ⁇ m.
- the polymer (A) of Preparation Example 1 and the polymer (B) of Preparation Example 2 were mixed in a weight ratio (A:B) of 90:10.
- the adhesive composition was prepared in the same manner as in Example 1. And an adhesive layer was prepared.
- the polymer (A) of Preparation Example 1 and the polymer (B) of Preparation Example 2 were mixed in a weight ratio (A:B) of 80:20.
- the same adhesive composition as Example 1 was prepared.
- An adhesive layer was prepared.
- the polymer (A) of Preparation Example 1 and the polymer (B) of Preparation Example 2 were mixed in a weight ratio (A:B) of 70:30.
- the same adhesive composition as Example 1 was prepared.
- An adhesive layer was prepared.
- An adhesive composition and an adhesive layer were prepared in the same manner as in Example 1, except that the polymer (C) of Preparation Example 3 was used instead of the polymer (B) of Preparation Example 2.
- An adhesive composition and an adhesive layer were prepared in the same manner as in Example 2, except that the polymer (C) of Preparation Example 3 was used instead of the polymer (B) of Preparation Example 2.
- An adhesive composition and an adhesive layer were prepared in the same manner as in Example 3, except that the polymer (C) of Preparation Example 3 was used instead of the polymer (B) of Preparation Example 2.
- An adhesive composition and an adhesive layer were prepared in the same manner as in Example 4, except that the polymer (C) of Preparation Example 3 was used instead of the polymer (B) of Preparation Example 2.
- the adhesive composition was then coated on release paper and crosslinked at a temperature of 120°C for about 4 minutes and 30 seconds to prepare an adhesive layer with a thickness of less than 100 ⁇ m.
- the adhesive composition was then coated on release paper and crosslinked at a temperature of 120°C for about 4 minutes and 30 seconds to prepare an adhesive layer with a thickness of less than 100 ⁇ m.
- An adhesive composition and an adhesive layer were prepared in the same manner as in Comparative Example 1, except that the polymer (D) of Preparation Example 4 was used instead of the polymer (A) of Preparation Example 1.
- Example One 2 3 4 5 6 7 8 surface resistance ( ⁇ 10 12 ⁇ / ⁇ ) 65.4 22.8 6.43 2.88 38.1 1.7 1.46 0.383 Staining resistance ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ Reworkability ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇
- Comparative example One 2 3 4 5 6 surface resistance ( ⁇ 10 12 ⁇ / ⁇ ) 65.1 7.04 75.9 7.12 69.1 7.47 Staining resistance X ⁇ X ⁇ ⁇ ⁇ Reworkability ⁇ X X ⁇ X
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- General Chemical & Material Sciences (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Electroluminescent Light Sources (AREA)
- Laminated Bodies (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
Abstract
Description
| BA | DMAEA | 화학식A | |
| 1차 폴리머 | 59.9 | 40.1 | |
| 폴리머(B) | 58.4 | 6.3 | 35.3 |
| BA | DEAEA | 화학식B | |
| 1차 폴리머 | 62.4 | 37.6 | 0.0 |
| 폴리머(B) | 58.1 | 8.5 | 33.4 |
| 실시예 | ||||||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | |
| 표면저항 (Х1012 Ω/□) |
65.4 | 22.8 | 6.43 | 2.88 | 38.1 | 1.7 | 1.46 | 0.383 |
| 내오염성 | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ |
| 리워크성 | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ |
| 비교예 | ||||||
| 1 | 2 | 3 | 4 | 5 | 6 | |
| 표면저항 (Х1012 Ω/□) |
65.1 | 7.04 | 75.9 | 7.12 | 69.1 | 7.47 |
| 내오염성 | X | ○ | X | ○ | △ | ○ |
| 리워크성 | △ | X | X | X | △ | X |
Claims (20)
- 제 1 항에 있어서, 알킬 (메타)아크릴레이트 단위를 30 내지 80 중량%의 비율로 포함하는 폴리머.
- 제 3 항에 있어서, 화학식 2의 단위를 알킬 (메타)아크릴레이트 단위 100 중량부에 대해서 0.1 내지 30 중량부로 포함하는 폴리머.
- 제 3 항에 있어서, 화학식 1의 단위의 중량(A)의 화학식 2의 단위의 중량(B)에 대한 비율(A/B)이 0.5 내지 20의 범위 내에 있는 폴리머.
- 제 1 항에 있어서, 중량평균분자량이 200,000 g/mol 이하인 폴리머.
- 가교성 폴리머; 및제 1 항의 폴리머를 이온성 폴리머로서 포함하는 가교성 조성물.
- 제 7 항에 있어서, 가교성 폴리머 100 중량부 대비 1 내지 60 중량부의 이온성 폴리머를 포함하는 가교성 조성물.
- 제 7 항에 있어서, 가교성 폴리머는, 알킬 (메타)아크릴레이트 단위를 포함하는 가교성 조성물.
- 제 10 항에 있어서, 화학식 3에서 R4, R5, R8 및 R9은 각각 독립적으로 탄소 원자 또는 카보닐기이며, R6는 탄소 원자이거나 존재하지 않고, R4와 R5의 결합 및 R8과 R9의 결합은 각각 독립적으로 단일 결합 또는 이중 결합이되, R4, R5, R8 및 R9 중 적어도 하나는 카보닐기인 가교성 조성물.
- 제 10 항에 있어서, 가교성 폴리머는, 알킬 (메타)아크릴레이트 단위 100 중량부 대비 0.5 내지 20 중량부의 화학식 3의 단위를 포함하는 가교성 조성물.
- 제 9 항에 있어서, 가교성 폴리머는, 극성기 함유 단위를 추가로 포함하는 가교성 조성물.
- 제 13 항에 있어서, 가교성 폴리머는, 알킬 (메타)아크릴레이트 단위 100 중량부 대비 1 내지 30 중량부의 극성기 함유 단위를 포함하는 가교성 조성물.
- 제 7 항에 있어서, 가교제 및 가교 지연제를 추가로 포함하는 가교성 조성물.
- 제 15 항에 있어서, 가교제는 가교성 및 이온성 폴리머 합계 100 중량부 대비 0.01 내지 10 중량부의 비율로 포함되고, 가교 지연제는 가교성 및 이온성 폴리머 합계 100 중량부 대비 0.1 내지 10 중량부로 포함되며, 상기 가교 지연제의 중량(A)의 상기 가교제의 중량(B)에 대한 비율(A/B)은 0.5 내지 30의 범위 내인 가교성 조성물.
- 제 17 항에 있어서, 단량체 혼합물의 반응은 용액 중합 반응인 폴리머의 제조 방법.
- 전자 기판; 및상기 전자기판의 일면 또는 양면에 부착된 제 7 항의 가교성 조성물 또는 그 가교물을 포함하는 적층체.
- OLED 패널; 및상기 OLED 패널의 일면 또는 양면에 부착된 제 7 항의 가교성 조성물 또는 그 가교물을 포함하는 OLED 장치.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP23880175.7A EP4585624A4 (en) | 2022-10-17 | 2023-10-17 | POLYMER |
| JP2025521212A JP2025534711A (ja) | 2022-10-17 | 2023-10-17 | ポリマー |
| US19/100,462 US20260042938A1 (en) | 2022-10-17 | 2023-10-17 | Polymer |
| CN202380056279.2A CN119630717A (zh) | 2022-10-17 | 2023-10-17 | 聚合物 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020220133526A KR20240053435A (ko) | 2022-10-17 | 2022-10-17 | 폴리머 |
| KR10-2022-0133526 | 2022-10-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2024085598A1 true WO2024085598A1 (ko) | 2024-04-25 |
Family
ID=90738559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KR2023/016044 Ceased WO2024085598A1 (ko) | 2022-10-17 | 2023-10-17 | 폴리머 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20260042938A1 (ko) |
| EP (1) | EP4585624A4 (ko) |
| JP (1) | JP2025534711A (ko) |
| KR (1) | KR20240053435A (ko) |
| CN (1) | CN119630717A (ko) |
| TW (1) | TW202424016A (ko) |
| WO (1) | WO2024085598A1 (ko) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100046016A (ko) * | 2007-07-23 | 2010-05-04 | 쓰리엠 이노베이티브 프로퍼티즈 컴파니 | 대전방지 용품, 그 제조 방법, 및 용품을 갖는 디스플레이 장치 |
| KR20130113372A (ko) * | 2012-04-05 | 2013-10-15 | 후지모리 고교 가부시키가이샤 | 점착제 조성물 및 표면 보호 필름 |
| JP2015110712A (ja) * | 2013-12-06 | 2015-06-18 | 東洋インキScホールディングス株式会社 | 顔料組成物及びカラーフィルタ |
| CN111635478A (zh) * | 2020-06-10 | 2020-09-08 | 珠海冠宇电池股份有限公司 | 一种低阻抗粘结剂及其制备方法和用途 |
| CN113004147A (zh) * | 2021-03-10 | 2021-06-22 | 中国科学院过程工程研究所 | 一种聚合离子液体催化剂用于环状碳酸酯制备二烷基碳酸酯的方法 |
| KR20220133526A (ko) | 2021-03-25 | 2022-10-05 | 삼성전자주식회사 | 안테나를 포함하는 전자 장치 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08127755A (ja) * | 1994-10-31 | 1996-05-21 | Arutetsuku Kk | 帯電防止性アンカーコート剤及び積層複合フィルム |
| JPH09100315A (ja) * | 1995-10-06 | 1997-04-15 | Mitsubishi Chem Corp | 毛髪化粧料 |
| JP2003334911A (ja) * | 2002-05-21 | 2003-11-25 | Mitsubishi Polyester Film Copp | ディスプレイ表面保護フィルム |
| JP5110675B2 (ja) * | 2004-04-07 | 2012-12-26 | 日東電工株式会社 | 粘着剤組成物、およびそれを用いてなる粘着シート類 |
| CN101495581B (zh) * | 2006-07-25 | 2012-08-29 | 关西涂料株式会社 | 水性涂料组合物 |
| JP6365239B2 (ja) * | 2014-10-29 | 2018-08-01 | 三菱ケミカル株式会社 | 硬化性組成物、硬化物、光学フィルム及び積層体 |
| CN112592419A (zh) * | 2020-12-15 | 2021-04-02 | 华东理工大学 | 兼具接触抗菌和防雾的丙烯酸类季铵盐薄膜制备方法 |
-
2022
- 2022-10-17 KR KR1020220133526A patent/KR20240053435A/ko active Pending
-
2023
- 2023-10-16 TW TW112139425A patent/TW202424016A/zh unknown
- 2023-10-17 US US19/100,462 patent/US20260042938A1/en active Pending
- 2023-10-17 EP EP23880175.7A patent/EP4585624A4/en active Pending
- 2023-10-17 WO PCT/KR2023/016044 patent/WO2024085598A1/ko not_active Ceased
- 2023-10-17 CN CN202380056279.2A patent/CN119630717A/zh active Pending
- 2023-10-17 JP JP2025521212A patent/JP2025534711A/ja active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100046016A (ko) * | 2007-07-23 | 2010-05-04 | 쓰리엠 이노베이티브 프로퍼티즈 컴파니 | 대전방지 용품, 그 제조 방법, 및 용품을 갖는 디스플레이 장치 |
| KR20130113372A (ko) * | 2012-04-05 | 2013-10-15 | 후지모리 고교 가부시키가이샤 | 점착제 조성물 및 표면 보호 필름 |
| JP2015110712A (ja) * | 2013-12-06 | 2015-06-18 | 東洋インキScホールディングス株式会社 | 顔料組成物及びカラーフィルタ |
| CN111635478A (zh) * | 2020-06-10 | 2020-09-08 | 珠海冠宇电池股份有限公司 | 一种低阻抗粘结剂及其制备方法和用途 |
| CN113004147A (zh) * | 2021-03-10 | 2021-06-22 | 中国科学院过程工程研究所 | 一种聚合离子液体催化剂用于环状碳酸酯制备二烷基碳酸酯的方法 |
| KR20220133526A (ko) | 2021-03-25 | 2022-10-05 | 삼성전자주식회사 | 안테나를 포함하는 전자 장치 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP4585624A4 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20260042938A1 (en) | 2026-02-12 |
| EP4585624A1 (en) | 2025-07-16 |
| EP4585624A4 (en) | 2026-01-07 |
| JP2025534711A (ja) | 2025-10-17 |
| KR20240053435A (ko) | 2024-04-24 |
| CN119630717A (zh) | 2025-03-14 |
| TW202424016A (zh) | 2024-06-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2013012274A2 (ko) | 터치 패널 | |
| WO2010002198A9 (ko) | 점착제 조성물, 편광판용 보호 필름, 편광판 및 액정표시장치 | |
| WO2021118250A1 (ko) | 점착제층 | |
| WO2017010765A1 (ko) | 화합물 | |
| WO2014204255A1 (ko) | 점착제 조성물 | |
| WO2014204215A1 (ko) | 점착제 조성물 | |
| WO2018056710A1 (ko) | 광학 투명 점착제 조성물, 그를 포함하는 광학 투명 점착 필름 및 평판표시장치 | |
| WO2009096758A2 (ko) | 광학 이방성 화합물을 포함하는 아크릴계 점착제 조성물, 이를 포함하는 편광판 및 액정 표시장치 | |
| WO2015016456A1 (ko) | 위상차 필름 및 이를 구비하는 화상 표시 장치 | |
| WO2020141789A2 (ko) | 점착제 조성물, 이를 포함하는 점착제층 및 이를 포함하는 폴더블 디스플레이 | |
| WO2019059693A2 (ko) | 편광판 보호층용 무용제형 광경화성 수지 조성물, 이의 경화물을 포함하는 편광판 및 화상표시장치 | |
| WO2020111864A1 (ko) | 광학 적층체 | |
| WO2018056675A2 (ko) | 광학 투명 점착제 조성물, 그를 포함하는 광학 투명 점착 필름 및 평판표시장치 | |
| WO2024085598A1 (ko) | 폴리머 | |
| WO2021060876A1 (ko) | 아크릴계 점착제 조성물, 편광판 및 디스플레이 장치 | |
| WO2014065517A1 (ko) | 경화성 수지 조성물 및 이를 사용하여 제조된 광학필름 | |
| WO2021025474A1 (ko) | 점착 필름, 이의 제조 방법 및 이를 포함하는 폴더블 디스플레이 장치 | |
| WO2021066448A1 (ko) | 아크릴계 에멀젼 점착제 조성물 | |
| WO2024080675A1 (ko) | 폴리머 | |
| WO2021025475A1 (ko) | 점착 필름, 이의 제조 방법 및 이를 포함하는 폴더블 디스플레이 장치 | |
| WO2020091450A1 (ko) | 점착제 조성물, 이를 포함하는 광학 필름, 이를 포함하는 유기 전자 소자 및 표시 장치 | |
| WO2024049137A1 (ko) | 수소화 자일릴렌 디이소시아네이트 기반 가교제를 포함하는 감압성 점착제 및 이를 포함하는 감압성 점참제 필름 | |
| WO2022220498A1 (ko) | 점착제 조성물 | |
| WO2016122144A1 (ko) | 변성 이소부틸렌-이소프렌 고무, 이의 제조방법 및 경화물 | |
| WO2013027981A2 (ko) | 편광판 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 23880175 Country of ref document: EP Kind code of ref document: A1 |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 202380056279.2 Country of ref document: CN |
|
| WWP | Wipo information: published in national office |
Ref document number: 202380056279.2 Country of ref document: CN |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 2023880175 Country of ref document: EP |
|
| ENP | Entry into the national phase |
Ref document number: 2025521212 Country of ref document: JP Kind code of ref document: A |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 2025521212 Country of ref document: JP |
|
| ENP | Entry into the national phase |
Ref document number: 2023880175 Country of ref document: EP Effective date: 20250410 |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| WWP | Wipo information: published in national office |
Ref document number: 2023880175 Country of ref document: EP |









