WO2023282559A1 - 히드록시페닐-말단 폴리실록산, 이를 반복 단위로서 포함하는 투명성이 우수하고 난연성이 향상된 폴리실록산-폴리카보네이트 공중합체, 및 그 공중합체 제조방법 - Google Patents
히드록시페닐-말단 폴리실록산, 이를 반복 단위로서 포함하는 투명성이 우수하고 난연성이 향상된 폴리실록산-폴리카보네이트 공중합체, 및 그 공중합체 제조방법 Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/14—Polysiloxanes containing silicon bound to oxygen-containing groups
- C08G77/16—Polysiloxanes containing silicon bound to oxygen-containing groups to hydroxy groups
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
- C08G64/04—Aromatic polycarbonates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
- C08G64/18—Block or graft polymers
- C08G64/186—Block or graft polymers containing polysiloxane sequences
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
- C08G64/20—General preparatory processes
- C08G64/22—General preparatory processes using carbonyl halides
- C08G64/24—General preparatory processes using carbonyl halides and phenols
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/14—Polysiloxanes containing silicon bound to oxygen-containing groups
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/42—Block-or graft-polymers containing polysiloxane sequences
- C08G77/448—Block-or graft-polymers containing polysiloxane sequences containing polycarbonate sequences
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/80—Siloxanes having aromatic substituents, e.g. phenyl side groups
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
- C08L83/06—Polysiloxanes containing silicon bound to oxygen-containing groups
Definitions
- the present invention relates to a hydroxyphenyl-terminated polysiloxane, a polysiloxane-polycarbonate copolymer comprising the same as a repeating unit, and a method for preparing the copolymer, and more particularly, to a terminal silane unit containing an optionally substituted hydroxyphenyl group A polysiloxane having a specific structure, and a polysiloxane-polycarbonate copolymer comprising the polysiloxane and polycarbonate block as repeating units, having excellent transparency and significantly improved flame retardancy over the level of conventional polysiloxane-polycarbonate copolymers, and a method for producing the same It is about.
- Polycarbonate resins are widely used as electrical parts, mechanical parts, and industrial resins because of their excellent heat resistance, mechanical properties (particularly, impact strength), and transparency.
- polycarbonate resin as a case material for TV housings, computer monitor housings, copiers, printers, laptop batteries, and lithium batteries that emit a lot of heat in the electrical and electronic fields, not only heat resistance and mechanical properties, but also excellent flame retardancy are required. .
- the most common method used to impart flame retardancy to polycarbonate resin is to mix a bromine-based or chlorine-based compound, which is a halogen flame retardant, with polycarbonate resin.
- a halogen flame retardant when used, the flame retardant function is fully exhibited in the event of fire, but hydrogen halide gas is generated during resin processing, which not only causes mold corrosion and environmental pollution problems, but also generates dioxin, a toxic gas harmful to the human body during combustion.
- the movement to regulate its use is expanding.
- a flame retardant polycarbonate resin composition using an alkali metal salt as a non-halogen flame retardant and a fluorinated polyolefin-based resin as an anti-dripping agent has been developed.
- transparency which is one of the advantages of the polycarbonate resin, is deteriorated.
- the present invention is intended to solve the problems of the prior art as described above, and the flame retardancy is significantly improved while transparency is superior to that of conventional polysiloxane-polycarbonate copolymers, and furthermore, physical properties such as fluidity and low-temperature impact strength are excellent. It is a technical problem to provide a polysiloxane that provides a polysiloxane-polycarbonate copolymer, and a polysiloxane-polycarbonate copolymer containing the polycarbonate copolymer as a repeating unit and a manufacturing method thereof.
- the present invention provides a hydroxyphenyl-terminated polysiloxane represented by the following Chemical Formula 1-1 or the following Chemical Formula 1-2:
- R 1 each independently represents a hydrogen atom, a hydrocarbon group having 1 to 13 carbon atoms, or a hydroxy group
- R 2 each independently represents a hydrocarbon group or a hydroxyl group having 1 to 13 carbon atoms
- R 3 each independently represents an alkylene group having 2 to 8 carbon atoms
- Each R 4 independently represents a hydrogen atom, a halogen atom, a hydroxyl group, an alkyl group having 1 to 20 carbon atoms, an alkoxy group having 1 to 20 carbon atoms, or an aryl group having 6 to 10 carbon atoms;
- a and b each independently represents an integer from 0 to 10, provided that at least one of a and b is not 0;
- c represents an integer of 1 to 2;
- Another aspect of the present invention provides a polysiloxane-polycarbonate copolymer comprising a hydroxyphenyl-terminated polysiloxane represented by Formula 1-1 or Formula 1-2 and a polycarbonate block as repeating units.
- Another aspect of the present invention is to form a polysiloxane-polycarbonate intermediate by reacting a hydroxyphenyl-terminated polysiloxane represented by Formula 1-1 or Formula 1-2 with an oligomeric polycarbonate under interfacial reaction conditions doing; And it provides a method for producing a polysiloxane-polycarbonate copolymer comprising the step of polymerizing the intermediate by using a first polymerization catalyst.
- Another aspect of the present invention provides a molded article comprising the polysiloxane-polycarbonate copolymer.
- the polysiloxane-polycarbonate copolymer according to the present invention can secure excellent flame retardancy without the addition of a flame retardant while maintaining excellent physical properties inherent in polycarbonate such as fluidity, impact resistance (particularly, low-temperature impact strength), and transparency.
- the polysiloxane-polycarbonate copolymer has excellent transparency and significantly improved flame retardancy, and can be applied to various applications such as construction materials, automobile parts, and electric/electronic parts.
- reaction product refers to a substance formed by the reaction of two or more reactants.
- first and second are used in this specification to describe the polymerization catalyst, but the polymerization catalyst is not limited by these terms. These terms are only used to distinguish polymerization catalysts from one another.
- the first polymerization catalyst and the second polymerization catalyst may be the same type of catalyst or may be different types of catalysts.
- the English letter "R” used to represent hydrogen, a halogen atom, and/or a hydrocarbon group in the chemical formula described herein has a subscript represented by a number, but the “R” is not limited by The above “R” represents hydrogen, a halogen atom and/or a hydrocarbon group, etc. independently of each other.
- two or more “R”s may represent the same hydrocarbon group or different hydrocarbon groups, regardless of whether they have the same or different numbers of subscripts.
- the hydroxyphenyl-terminated polysiloxane according to the present invention is a compound comprising a silane unit having a hydroxyphenyl group at the terminal and optionally a siloxane having a hydroxyphenyl group in the middle of the chain, represented by the following formula 1-1, It may be represented by Formula 1-2 below.
- R 1 each independently represents a hydrogen atom, a hydrocarbon group having 1 to 13 carbon atoms, or a hydroxy group
- R 2 each independently represents a hydrocarbon group or a hydroxyl group having 1 to 13 carbon atoms
- R 3 each independently represents an alkylene group having 2 to 8 carbon atoms
- Each R 4 independently represents a hydrogen atom, a halogen atom, a hydroxyl group, an alkyl group having 1 to 20 carbon atoms, an alkoxy group having 1 to 20 carbon atoms, or an aryl group having 6 to 10 carbon atoms;
- a and b each independently represents an integer from 0 to 10, provided that at least one of a and b is not 0;
- c represents an integer of 1 to 2;
- the hydrocarbon group having 1 to 13 carbon atoms is an alkyl group or alkoxy group having 1 to 13 carbon atoms, an alkenyl group or alkenyloxy group having 2 to 13 carbon atoms, a cycloalkyl group or cycloalkoxy group having 3 to 6 carbon atoms, or a cycloalkoxy group having 6 to 10 carbon atoms. It may be an aryloxy group, an aralkyl group or aralkoxy group having 7 to 13 carbon atoms, or an alkaryl group or alkaryloxy group having 7 to 13 carbon atoms.
- the alkyl group can be methyl, ethyl or propyl;
- the alkylene group may be ethylene or propylene;
- the halogen atom may be Cl or Br;
- the alkoxy group can be methoxy, ethoxy or propoxy;
- the aryl group may be phenyl, chlorophenyl or tolyl (preferably phenyl).
- a may represent more specifically an integer of 0 to 8, more specifically an integer of 1 to 8, and even more specifically an integer of 1 to 7, and b is More specifically, it may represent an integer of 1 to 10, more specifically an integer of 1 to 5, and still more specifically an integer of 1 to 3, provided that at least one of a and b is not 0.
- the hydroxyphenyl-terminated polysiloxane of Formula 1-1 may be a reaction product of a polysiloxane of Formula 3-1 and a compound of Formula 4 below.
- R 1 , R 2 , a, b, and c are as defined in Formula 1-1 above.
- R 4 is as defined in Formula 1-1 above, and h represents an integer of 1 to 7.
- the molar ratio of the compound of Formula 3-1 to the compound of Formula 4 used for preparing the hydroxyphenyl-terminated polysiloxane of Formula 1-1 is preferably maintained in the range of 1:4 to 1:1, and is preferably 1:3 to 1 It is more preferable to keep it in the range of :2. If the molar ratio of the compound of Formula 3-1 to the compound of Formula 4 is out of the above range, the degree of polymerization between polysiloxane and polycarbonate may be affected, resulting in a flame retardant effect and deterioration in transparency.
- the hydroxyphenyl-terminated polysiloxane of Chemical Formula 1-2 may be a reaction product of a polysiloxane of Chemical Formula 3-2 and a compound of Chemical Formula 4.
- R 1 , R 2 , a, b, and c are as defined in Formula 1-2 above.
- the molar ratio of the compound of Formula 3-2 to the compound of Formula 4 used for preparing the hydroxyphenyl-terminated polysiloxane of Formula 1-2 is preferably maintained in the range of 1:4 to 1:1, and preferably 1:3 to 1 It is more preferable to keep it in the range of :2. If the molar ratio of the compound of Formula 3-2 to the compound of Formula 4 is out of the above range, the degree of polymerization between polysiloxane and polycarbonate may be affected, which may cause a flame retardant effect and decrease in transparency.
- the polysiloxane-polycarbonate copolymer according to the present invention includes a hydroxyphenyl-terminated polysiloxane (ie, a silane unit having a hydroxyphenyl group at the terminal) represented by Formula 1-1 or Formula 1-2, It is a copolymer comprising a polysiloxane block optionally including siloxane having a hydroxyphenyl group in the middle of the chain) and a polycarbonate block as repeating units.
- the polycarbonate block may have a structure represented by Formula 2 below:
- R 5 is unsubstituted or an alkyl group (eg, an alkyl group having 1 to 20 or 1 to 13 carbon atoms), a cycloalkyl group (eg, a cycloalkyl group having 3 to 6 carbon atoms), or an alkenyl group (eg, 2 to 6 carbon atoms).
- 20 or 2 to 13 alkenyl groups alkoxy groups (eg, 1 to 20 or 1 to 13 carbon atoms), halogen atoms (eg, Cl or Br), and at least one substituent selected from the group consisting of a nitro group
- the aromatic hydrocarbon group may be derived from, for example, a compound represented by Formula 5 below.
- X is a straight, branched or cyclic alkylene group having no functional group; Or a straight, branched or cyclic alkylene group (e.g., 1 to 10 carbon atoms) containing at least one functional group selected from the group consisting of a sulfide group, an ether group, a sulfoxide group, a sulfone group, a ketone group, a naphthyl group and an isobutylphenyl group. Representing a linear alkylene group, or a branched or cyclic alkylene group having 3 to 10 carbon atoms),
- R 6 and R 7 are each independently a halogen atom (eg, Cl or Br), or a linear, branched or cyclic alkyl group (eg, a linear alkyl group having 1 to 10 carbon atoms or a branched or cyclic alkyl group having 3 to 10 carbon atoms) ),
- p and q independently represent an integer of 0 to 4.
- the compound of Formula 5 is, for example, bis(4-hydroxyphenyl)methane, bis(4-hydroxyphenyl)phenylmethane, bis(4-hydroxyphenyl)naphthylmethane, bis(4-hydroxyphenyl) )-(4-isobutylphenyl)methane, 1,1-bis(4-hydroxyphenyl)ethane, 1-ethyl-1,1-bis(4-hydroxyphenyl)propane, 1-phenyl-1,1 -bis(4-hydroxyphenyl)ethane, 1-naphthyl-1,1-bis(4-hydroxyphenyl)ethane, 1,2-bis(4-hydroxyphenyl)ethane, 1,10-bis( 4-hydroxyphenyl) decane, 2-methyl-1,1-bis (4-hydroxyphenyl) propane, 2,2-bis (4-hydroxyphenyl) propane, 2,2-bis (4-hydroxy Phenyl) butane, 2,2-bis (4-hydroxyphenyl
- 2,2-bis(4-hydroxyphenyl)propane bisphenol A
- Other functional dihydric phenols may be referred to US Patents US 2,999,835, US 3,028,365, US 3,153,008 and US 3,334,154, and the dihydric phenols may be used alone or in combination of two or more. can be used
- a carbonate precursor such as carbonyl chloride (phosgene), carbonyl bromide, bis halo formate, diphenyl carbonate or dimethyl carbonate may be used.
- the content of the hydroxyphenyl-terminated polysiloxane represented by Formula 1-1 or Formula 1-2 in the polysiloxane-polycarbonate copolymer of the present invention is 0.2 to 24 weight based on the total weight of the copolymer %, specifically 0.5 to 20% by weight, more specifically 1 to 15% by weight, and even more specifically 2 to 10% by weight, and the content of polycarbonate is 76 to 99.8% by weight based on the total weight of the copolymer. %, specifically 80 to 99.5% by weight, more specifically 85 to 99% by weight, and even more specifically 90 to 98% by weight.
- the content of the hydroxyphenyl-terminated polysiloxane represented by Formula 1-1 or Formula 1-2 is less than 0.2% by weight, flame retardancy may be reduced, and 24% by weight If it exceeds, not only the transparency is lowered, but also the flame retardancy may be rather poor.
- the viscosity average molecular weight (M V ) of the polysiloxane-polycarbonate copolymer according to the present invention may be 15,000 to 200,000, more specifically 15,000 to 100,000, and more specifically 20,000 to 80,000. If the viscosity average molecular weight of the polysiloxane-polycarbonate copolymer is less than 15,000, mechanical properties may be significantly deteriorated, and if it exceeds 200,000, problems may arise in processing the resin due to an increase in melt viscosity.
- the polysiloxane-polycarbonate copolymer according to the present invention is (1) an interface comprising a hydroxyphenyl-terminated polysiloxane represented by Formula 1-1 or Formula 1-2 and an oligomeric polycarbonate in an aqueous alkali solution and an organic phase. reacting under reaction conditions to form a polysiloxane-polycarbonate intermediate; and (2) polymerizing the intermediate by using a first polymerization catalyst.
- the step of forming a polysiloxane-polycarbonate intermediate is a 0.2: mixing in a weight ratio of 99.8 to 24:76 (preferably 0.5:99.5 to 20:80, more preferably 1:99 to 15:85, and most preferably 2:98 to 10:90) can do.
- a weight ratio of 99.8 to 24:76 preferably 0.5:99.5 to 20:80, more preferably 1:99 to 15:85, and most preferably 2:98 to 10:90
- the mixing weight ratio of the hydroxyphenyl-terminated polysiloxane represented by Formula 1-1 or Formula 1-2 is less than 0.2, flame retardancy may be lowered, and when it exceeds 24, not only transparency is lowered, but also flame retardancy is rather can get worse
- the oligomeric polycarbonate used in the preparation of the polysiloxane-polycarbonate copolymer according to the present invention may be an oligomeric polycarbonate having a viscosity average molecular weight of 800 to 20,000 (more preferably, 1,000 to 15,000). If the viscosity average molecular weight of polycarbonate is less than 800, the molecular weight distribution may widen and physical properties may deteriorate, and if it exceeds 20,000, reactivity may decrease.
- the oligomeric polycarbonate may be prepared by adding the dihydric phenolic compound described above to an aqueous alkali solution to form a phenol salt, and then reacting the salt-state phenol in dichloromethane injected with phosgene gas.
- phosgene e.g., bisphenol A
- the molar ratio of phosgene to dihydric phenolic compounds (eg, bisphenol A) is less than 1, reactivity may be reduced, and if the molar ratio of phosgene to dihydric phenolic compounds (eg, bisphenol A) exceeds 1.5 Excessive molecular weight increase may cause problems in processability.
- the oligomeric polycarbonate forming reaction may be generally carried out at a temperature in the range of about 15 to 60° C., and an alkali metal hydroxide (eg, sodium hydroxide) may be used to adjust the pH of the reaction mixture.
- an alkali metal hydroxide eg, sodium hydroxide
- (1) forming a polysiloxane-polycarbonate intermediate comprises a hydroxyphenyl-terminated polysiloxane represented by Formula 1-1 or oligomeric polycarbonate represented by Formula 1-2 above. and forming a mixture, and the mixture may include a phase transfer catalyst, a molecular weight regulator, and a second polymerization catalyst.
- (1) forming a polysiloxane-polycarbonate intermediate is to form a mixture comprising a hydroxyphenyl-terminated polysiloxane represented by Formula 1-1 or oligomeric polycarbonate represented by Formula 1-2 above step; and extracting an organic phase from the resultant mixture after the reaction between the hydroxyphenyl-terminated polysiloxane represented by Formula 1-1 or Formula 1-2 and the oligomeric polycarbonate is completed, wherein (2) Polymerizing the polysiloxane-polycarbonate intermediate may include providing a first polymerization catalyst to the extracted organic phase.
- the polysiloxane-polycarbonate copolymer according to the present invention is obtained by adding a hydroxyphenyl-terminated polysiloxane represented by Formula 1-1 or Formula 1-2 to an organic phase-aqueous mixture containing oligomeric polycarbonate. It can be prepared by adding a molecular weight modifier and a catalyst step by step.
- a monofunctional compound similar to a monomer used in preparing polycarbonate may be used.
- Monofunctional substances include, for example, p-isopropylphenol, p-tert-butylphenol (PTBP), p-cumylphenol, p-isooctylphenol, and p-isononyl.
- phenol-based derivatives such as phenol; or aliphatic alcohols.
- p-tert-butylphenol (PTBP) may be used.
- a polymerization catalyst and/or a phase transfer catalyst may be used.
- the polymerization catalyst for example, triethylamine (TEA) may be used, and as the phase transfer catalyst, for example, a compound represented by Formula 6 may be used.
- TAA triethylamine
- the phase transfer catalyst for example, a compound represented by Formula 6 may be used.
- R 8 represents an alkyl group having 1 to 10 carbon atoms
- Q represents nitrogen or phosphorus
- X represents a halogen atom or -OR 9 .
- R 9 represents a hydrogen atom, an alkyl group having 1 to 18 carbon atoms or an aryl group having 6 to 18 carbon atoms.
- the phase transfer catalyst is, for example, [CH 3 (CH 2 ) 3 ] 4 NX, [CH 3 (CH 2 ) 3 ] 4 PX, [CH 3 (CH 2 ) 5 ] 4 NX, [CH 3 ( CH 2 ) 6 ] 4 NX, [CH 3 (CH 2 ) 4 ] 4 NX, CH 3 [CH 3 (CH 2 ) 3 ] 3 NX or CH 3 [CH 3 (CH 2 ) 2 ] 3 NX .
- X represents Cl, Br or -OR 9 , where R 9 represents a hydrogen atom, an alkyl group having 1 to 18 carbon atoms or an aryl group having 6 to 18 carbon atoms.
- the amount of the phase transfer catalyst is preferably about 0.01 to 10% by weight based on the total weight of the mixture of the hydroxyphenyl-terminated polysiloxane and the oligomeric polycarbonate represented by Formula 1-1 or Formula 1-2. If the content is less than 0.01% by weight, the reactivity may be reduced, and if the content exceeds 10% by weight, precipitation as a precipitate or transparency may be reduced.
- the organic phase dispersed in methylene chloride may be washed with alkali and then separated. Subsequently, the organic phase may be washed with 0.1N hydrochloric acid solution and then washed with distilled water 2 to 3 times repeatedly.
- the concentration of the organic phase dispersed in methylene chloride is adjusted to a certain level, and granulation can be performed using a certain amount of pure water in the range of 70 to 80 ° C. If the temperature of the pure water is less than 70 ° C, the assembly speed may be slowed and the assembly time may be very long.
- the polysiloxane-polycarbonate copolymer according to the present invention can secure excellent flame retardancy even without the addition of a flame retardant while maintaining excellent physical properties inherent in polycarbonate such as fluidity, impact resistance (particularly, low-temperature impact strength), transparency, etc. , can be applied to various uses such as automobile parts and electrical/electronic parts.
- a molded article comprising the polysiloxane-polycarbonate copolymer of the present invention.
- the method for producing a molded article by molding the polysiloxane-polycarbonate copolymer of the present invention is not particularly limited, and a method commonly used in the field of plastic molding (eg, extrusion, injection, etc.) is used as it is or by appropriately changing Molded articles can be manufactured.
- a condenser was attached to a 500 mL three-necked flask, and 72.64 g (0.1 mol) of polysiloxane (APSP318 from Miwon Corporation, colorless and transparent liquid, viscosity: 5 cP) corresponding to Formula 3-1 was dissolved in 100 ml of toluene under a nitrogen atmosphere, and platinum 0.007 g (100 ppm) of (Pt) catalyst (UMICORE's Pt-CS-1.8CS) was added. While the solution was heated, 26.80 g (0.2 mol) of 2-allylphenol was slowly added over 1 hour and refluxed for 5 hours. After completion of the reaction, toluene as a solvent was removed from the reaction solution, and then dried in a vacuum oven for 24 hours to prepare polysiloxane of Formula E1 below.
- polysiloxane APSP318 from Miwon Corporation, colorless and transparent liquid, viscosity: 5 cP
- a condenser was attached to a 500 mL three-necked flask, and 71.18 g (0.1 mol) of polysiloxane (APSP319 from Miwon Corporation, colorless transparent liquid, viscosity: 5 cP) corresponding to Formula 3-1 was dissolved in 100 ml of toluene under a nitrogen atmosphere, and platinum 0.007 g (100 ppm) of (Pt) catalyst (UMICORE's Pt-CS-1.8CS) was added. While the solution was heated, 40.30 g (0.3 mol) of 2-allylphenol was slowly added over 1 hour and refluxed for 5 hours. After completion of the reaction, toluene as a solvent was removed from the reaction solution, and then dried in a vacuum oven for 24 hours to prepare a polysiloxane of Formula E2.
- polysiloxane APSP319 from Miwon Corporation, colorless transparent liquid, viscosity: 5 cP
- a condenser was attached to a 500mL three-necked flask, and 49.04g (0.1mol) of polysiloxane (Damipolychem's F5032, colorless transparent liquid, viscosity: 5cP) was dissolved in 50ml of toluene under a nitrogen atmosphere, and then a platinum (Pt) catalyst (Damipoly 0.008 g (100 ppm) of Chem's CP101) was added. While the solution was heated, 40.2 g (0.3 mol) of 2-allylphenol was slowly added over 1 hour and refluxed for 5 hours. After completion of the reaction, toluene as a solvent was removed from the reaction solution, and then dried in a vacuum oven for 24 hours to prepare a polysiloxane of Formula C1 below.
- Pt platinum
- 2-allylphenol was slowly added over 1 hour and refluxed for 5 hours.
- Example B1 Preparation of a polysiloxane-polycarbonate copolymer using the polysiloxane (content: 2% by weight) of Example A1
- An oligomeric polycarbonate mixture having a viscosity average molecular weight of about 1,000 was prepared by interfacially reacting bisphenol A in an aqueous solution with phosgene gas in the presence of methylene chloride.
- An organic phase was collected from the oligomeric polycarbonate mixture obtained above, and an aqueous solution of sodium hydroxide, a polysiloxane of the formula E1 obtained in Example A1 (in an amount of 2% by weight based on the total weight of the copolymer), tetrabutylammonium chloride ( After mixing tetrabutyl ammonium chloride, TBACl, in an amount of 0.1% by weight based on the total weight of the copolymer), methylene chloride and p-tert-butylphenol (PTBP, in an amount of 0.4% by weight based on the total weight of the copolymer), for 2 hours reacted After layer separation occurred, only the organic phase was collected, and aqueous sodium hydroxide
- Triethylamine (TEA, in an amount of 0.02% by weight based on the total weight of the copolymer) was added to the reacted organic phase and reacted for 2 hours. After layer separation occurred, an organic phase with increased viscosity was collected, distilled water and methylene chloride were added thereto, washed with alkali, and separated again. Subsequently, the organic phase was washed with a 0.1N aqueous hydrochloric acid solution and then washed with distilled water 2 to 3 times. After washing was completed, the organic phase was assembled using a certain amount of pure water at 76 °C. After assembly was completed, a polysiloxane-polycarbonate copolymer was prepared by first drying at 110° C. for 8 hours and secondarily drying at 120° C. for 10 hours. The prepared polysiloxane-to measure the physical properties of the polycarbonate copolymer are listed in Table 1 below.
- Example B2 Preparation of polysiloxane-polycarbonate copolymer using the polysiloxane (content: 2% by weight) of Example A2
- Example B1 Same as Example B1, except that the polysiloxane of Formula E2 obtained in Example A2 was used instead of the polysiloxane of Formula E1 obtained in Example A1 (in an amount of 2% by weight based on the total weight of the copolymer).
- a polysiloxane-polycarbonate copolymer was prepared by the method. The prepared polysiloxane-to measure the physical properties of the polycarbonate copolymer are listed in Table 1 below.
- Example B3 Preparation of a polysiloxane-polycarbonate copolymer using the polysiloxane of Example A1 (content: 5% by weight)
- a polysiloxane-polycarbonate copolymer was prepared in the same manner as in Example B1, except that the content of the polysiloxane of Formula E1 obtained in Example A1 was changed to 5% by weight based on the total weight of the copolymer.
- the prepared polysiloxane-to measure the physical properties of the polycarbonate copolymer are listed in Table 1 below.
- Example B4 Preparation of a polysiloxane-polycarbonate copolymer using the polysiloxane (content: 7% by weight) of Example A1
- a polysiloxane-polycarbonate copolymer was prepared in the same manner as in Example B1, except that the polysiloxane content of Formula E1 obtained in Example A1 was changed to 7% by weight based on the total weight of the copolymer.
- the prepared polysiloxane-to measure the physical properties of the polycarbonate copolymer are listed in Table 1 below.
- Example B5 Preparation of a polysiloxane-polycarbonate copolymer using the polysiloxane of Example A1 (content: 10% by weight)
- a polysiloxane-polycarbonate copolymer was prepared in the same manner as in Example B1, except that the polysiloxane content of Formula E1 obtained in Example A1 was changed to 10% by weight based on the total weight of the copolymer.
- the prepared polysiloxane-to measure the physical properties of the polycarbonate copolymer are listed in Table 1 below.
- Example B6 Preparation of a polysiloxane-polycarbonate copolymer using the polysiloxane (content: 7% by weight) of Example A2
- Example B1 The same as in Example B1, except that the polysiloxane of formula E2 obtained in Example A2 was used instead of the polysiloxane of formula E1 obtained in Example A1 (in an amount of 7% by weight based on the total weight of the copolymer).
- a polysiloxane-polycarbonate copolymer was prepared by the method. The prepared polysiloxane-to measure the physical properties of the polycarbonate copolymer are listed in Table 1 below.
- Example B7 Preparation of a polysiloxane-polycarbonate copolymer using the polysiloxane of Example A1 (content: 5% by weight)
- Example A1 Except that the polysiloxane content of Formula E1 obtained in Example A1 was changed to 5% by weight based on the total weight of the copolymer and the content of p-tert-butylphenol was changed to 0.2% by weight based on the total weight of the copolymer.
- Example B1 a polysiloxane-polycarbonate copolymer having a viscosity average molecular weight of 70,500 g/mol was prepared.
- the prepared polysiloxane-to measure the physical properties of the polycarbonate copolymer are listed in Table 1 below.
- Example B8 Preparation of a polysiloxane-polycarbonate copolymer using the polysiloxane of Example A1 (content: 0.5% by weight)
- Example A1 Except that the content of polysiloxane of Formula E1 obtained in Example A1 was changed to 0.5% by weight based on the total weight of the copolymer and the content of p-tert-butylphenol was changed to 0.2% by weight based on the total weight of the copolymer.
- a polysiloxane-polycarbonate copolymer was prepared in the same manner as in Example B1. The prepared polysiloxane-to measure the physical properties of the polycarbonate copolymer are listed in Table 1 below.
- Example B9 Preparation of a polysiloxane-polycarbonate copolymer using the polysiloxane of Example A1 (content: 20% by weight)
- a polysiloxane-polycarbonate copolymer was prepared in the same manner as in Example B1, except that the polysiloxane content of Formula E1 obtained in Example A1 was changed to 20% by weight based on the total weight of the copolymer.
- the prepared polysiloxane-to measure the physical properties of the polycarbonate copolymer are listed in Table 1 below.
- Comparative Example B1 Linear polycarbonate resin having a viscosity average molecular weight of 21,200 g/mol
- Comparative Example B2 Linear polycarbonate resin having a viscosity average molecular weight of 70,900 g/mol
- a linear polycarbonate resin having a viscosity average molecular weight of 70,900 g/mol was prepared in the same manner as in Example B1, except that the polysiloxane of Formula E1 obtained in Example A1 was not used.
- the physical properties of the prepared polycarbonate resin were measured and listed in Table 1 below.
- Comparative Example B3 Preparation of polysiloxane-polycarbonate copolymer using hydroxy-terminated polysiloxane of formula C2 (content: 9% by weight)
- a polycarbonate copolymer was prepared. The prepared polysiloxane-to measure the physical properties of the polycarbonate copolymer are listed in Table 1 below.
- Comparative Example B4 Preparation of polysiloxane-polycarbonate copolymer using the polysiloxane of Comparative Example A1 (content: 7% by weight)
- Example B1 The same as in Example B1, except that the polysiloxane of formula C1 obtained in Comparative Example A1 (in an amount of 7% by weight based on the total weight of the copolymer) was used instead of the polysiloxane of formula E1 obtained in Example A1.
- a polysiloxane-polycarbonate copolymer was prepared by the method. The prepared polysiloxane-to measure the physical properties of the polycarbonate copolymer are listed in Table 1 below.
- the viscosity of the methylene chloride solution was measured at 20° C. using an Ubbelohde Viscometer, and the intrinsic viscosity [ ⁇ ] was calculated by the following equation.
- Transmittance was measured using a haze meter (HAZE-GARD PLUS manufactured by BYK GARDNER).
- the method is a method of evaluating flame retardancy from the burning time or drip properties after a burner flame is attached to a specimen of a certain size fixed vertically for 10 seconds.
- the burning time is the length of time for which the specimen continues flame combustion after the flame is moved away from it, and the ignition of the cotton by drip is the cotton for the mark about 300mm below the lower end of the specimen is burned by the drop from the specimen. It is determined by, and the flame retardancy grade is divided according to the table below.
- the polysiloxane-polycarbonate copolymers prepared in Examples B1 to B9 according to the present invention the linear polycarbonate resins prepared in Comparative Examples B1 and B2 and the polysiloxanes prepared in Comparative Examples B3 and B4 - Compared to the polycarbonate copolymer, it can be seen that it exhibits excellent transmittance while exhibiting more excellent flame retardancy (relatively short total burning time of 5 samples).
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Abstract
Description
Claims (16)
- 하기 화학식 1-1로 표시되거나, 하기 화학식 1-2로 표시되는 히드록시페닐-말단 폴리실록산:[화학식 1-1][화학식 1-2]상기 화학식 1-1 및 1-2에서,R1은 각각 독립적으로, 수소 원자, 탄소수 1 내지 13의 탄화수소기 또는 히드록시기를 나타내고,R2는 각각 독립적으로, 탄소수 1 내지 13의 탄화수소기 또는 히드록시기를 나타내며,R3는 각각 독립적으로, 탄소수 2 내지 8의 알킬렌기를 나타내고,R4는 각각 독립적으로, 수소 원자, 할로겐 원자, 히드록시기, 탄소수 1 내지 20의 알킬기, 탄소수 1 내지 20의 알콕시기 또는 탄소수 6 내지 10의 아릴기를 나타내며,a 및 b는 각각 독립적으로, 0 내지 10의 정수를 나타내되, 단, a 및 b 중 적어도 하나는 0이 아니고,c는 1 내지 2의 정수를 나타낸다.
- 반복 단위로서, 하기 화학식 1-1로 표시되거나, 하기 화학식 1-2로 표시되는 히드록시페닐-말단 폴리실록산; 및 폴리카보네이트 블록;을 포함하는 폴리실록산-폴리카보네이트 공중합체:[화학식 1-1][화학식 1-2]상기 화학식 1-1 및 1-2에서,R1은 각각 독립적으로, 수소 원자, 탄소수 1 내지 13의 탄화수소기 또는 히드록시기를 나타내고,R2는 각각 독립적으로, 탄소수 1 내지 13의 탄화수소기 또는 히드록시기를 나타내며,R3는 각각 독립적으로, 탄소수 2 내지 8의 알킬렌기를 나타내고,R4는 각각 독립적으로, 수소 원자, 할로겐 원자, 히드록시기, 탄소수 1 내지 20의 알킬기, 탄소수 1 내지 20의 알콕시기 또는 탄소수 6 내지 10의 아릴기를 나타내며,a 및 b는 각각 독립적으로, 0 내지 10의 정수를 나타내되, 단, a 및 b 중 적어도 하나는 0이 아니고,c는 1 내지 2의 정수를 나타낸다.
- 제7항에 있어서, 방향족 탄화수소기가 하기 화학식 5의 화합물로부터 유도된 것인, 폴리실록산-폴리카보네이트 공중합체:[화학식 5]상기 화학식 5에서,X는 작용기를 갖지 않는 직선형, 분지형 또는 환형 알킬렌기; 또는 설파이드기, 에테르기, 설폭사이드기, 설폰기, 케톤기, 나프틸기 및 이소부틸페닐기로 이루어진 군으로부터 선택되는 하나 이상의 작용기를 포함하는 직선형, 분지형 또는 환형 알킬렌기를 나타내고,R6 및 R7은 각각 독립적으로, 할로겐 원자; 또는 직선형, 분지형 또는 환형 알킬기를 나타내며,p 및 q는 각각 독립적으로, 0 내지 4의 정수를 나타낸다.
- 제4항에 있어서, 화학식 1-1로 표시되거나, 화학식 1-2로 표시되는 히드록시페닐-말단 폴리실록산의 함량이 공중합체 총 중량에 대하여 0.2 내지 24 중량%인, 폴리실록산-폴리카보네이트 공중합체.
- 제4항에 있어서, 점도평균분자량이 15,000 내지 200,000인, 폴리실록산-폴리카보네이트 공중합체.
- (1) 하기 화학식 1-1로 표시되거나, 하기 화학식 1-2로 표시되는 히드록시페닐-말단 폴리실록산과 올리고머성 폴리카보네이트를 계면반응 조건 하에서 반응시켜 폴리실록산-폴리카보네이트 중간체를 형성하는 단계; 및(2) 상기 중간체를 제1 중합 촉매를 이용하여 중합시키는 단계;를 포함하는,폴리실록산-폴리카보네이트 공중합체의 제조방법:[화학식 1-1][화학식 1-2]상기 화학식 1-1 및 1-2에서,R1은 각각 독립적으로, 수소 원자, 탄소수 1 내지 13의 탄화수소기 또는 히드록시기를 나타내고,R2는 각각 독립적으로, 탄소수 1 내지 13의 탄화수소기 또는 히드록시기를 나타내며,R3는 각각 독립적으로, 탄소수 2 내지 8의 알킬렌기를 나타내고,R4는 각각 독립적으로, 수소 원자, 할로겐 원자, 히드록시기, 탄소수 1 내지 20의 알킬기, 탄소수 1 내지 20의 알콕시기 또는 탄소수 6 내지 10의 아릴기를 나타내며,a 및 b는 각각 독립적으로, 0 내지 10의 정수를 나타내되, 단, a 및 b 중 적어도 하나는 0이 아니고,c는 1 내지 2의 정수를 나타낸다.
- 제11항에 있어서, (1) 폴리실록산-폴리카보네이트 중간체를 형성하는 단계가, 화학식 1-1로 표시되거나, 화학식 1-2로 표시되는 히드록시페닐-말단 폴리실록산과 올리고머성 폴리카보네이트를 0.2:99.8 내지 24:76의 중량 비율로 혼합시키는 단계를 포함하는, 폴리실록산-폴리카보네이트 공중합체의 제조방법.
- 제11항에 있어서, (1) 폴리실록산-폴리카보네이트 중간체를 형성하는 단계가, 화학식 1-1로 표시되거나, 화학식 1-2로 표시되는 히드록시페닐-말단 폴리실록산과 올리고머성 폴리카보네이트를 포함하는 혼합물을 형성하는 단계를 포함하며, 상기 혼합물이 상전이 촉매, 분자량 조절제 및 제2 중합 촉매를 또한 포함하는, 폴리실록산-폴리카보네이트 공중합체의 제조방법.
- 제11항에 있어서, (1) 폴리실록산-폴리카보네이트 중간체를 형성하는 단계가, 화학식 1-1로 표시되거나, 화학식 1-2로 표시되는 히드록시페닐-말단 폴리실록산과 올리고머성 폴리카보네이트를 포함하는 혼합물을 형성하는 단계; 및 화학식 1-1로 표시되거나, 화학식 1-2로 표시되는 히드록시페닐-말단 폴리실록산과 올리고머성 폴리카보네이트의 반응이 완료된 후 결과 혼합물에서 유기상을 추출하는 단계를 포함하고; (2) 폴리실록산-폴리카보네이트 중간체를 중합시키는 단계가, 제1 중합 촉매를 상기 추출된 유기상에 제공하는 단계를 포함하는, 폴리실록산-폴리카보네이트 공중합체의 제조방법.
- 제11항에 있어서, 올리고머성 폴리카보네이트의 점도평균분자량이 800 내지 20,000인, 폴리실록산-폴리카보네이트 공중합체의 제조방법.
- 제4항 내지 제10항 중 어느 한 항에 따른 폴리실록산-폴리카보네이트 공중합체를 포함하는 성형품.
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| EP22837911.1A EP4368659A4 (en) | 2021-07-05 | 2022-07-04 | HYDROXYPHENYL-TERMINATED POLYSILOXANE, POLYSILOXANE-POLYCARBONATE COPOLYMER WITH EXCELLENT TRANSPARENCY AND IMPROVED FLAMMABILITY, COMPRISING SAME AS A RECURRING UNIT, AND PROCESS FOR PREPARING SAID COPOLYMER |
| CN202280043768.XA CN117545793A (zh) | 2021-07-05 | 2022-07-04 | 羟苯基封端聚硅氧烷、包含其作为重复单元的具有优异透明性和改进阻燃性的聚硅氧烷-聚碳酸酯共聚物以及制备该共聚物的方法 |
| US18/576,160 US20250051525A1 (en) | 2021-07-05 | 2022-07-04 | Hydroxyphenyl-terminated polysiloxane, polysiloxane-polycarbonate copolymer comprising the same as repeated unit with excellent transparency and improved flame retardancy, and method for preparing the copolymer |
| JP2024500097A JP7853398B2 (ja) | 2021-07-05 | 2022-07-04 | ヒドロキシフェニル末端ポリシロキサン、それを繰り返し単位として含む透明性が優れ、難燃性が向上したポリシロキサン-ポリカーボネート共重合体、及びその共重合体の製造方法 |
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| KR20130045799A (ko) * | 2011-10-26 | 2013-05-06 | 다미폴리켐 주식회사 | 포스페이트-함유 히드록시 말단 실록산, 폴리실록산-폴리카보네이트 공중합체 및 그 제조방법 |
| KR101841684B1 (ko) | 2015-10-15 | 2018-03-26 | 주식회사 삼양사 | 투명성 및 난연성이 향상된 폴리실록산-폴리카보네이트 공중합체 및 그 제조방법 |
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| DE69224937T2 (de) | 1991-07-01 | 1998-10-22 | Gen Electric | Polycarbonat-Polysiloxan-Blockcopolymere |
| JP3037588B2 (ja) * | 1994-07-15 | 2000-04-24 | 出光石油化学株式会社 | ポリカーボネート樹脂組成物 |
| JP4306824B2 (ja) * | 1998-01-30 | 2009-08-05 | 東レ・ダウコーニング株式会社 | 有機官能性オルガノペンタシロキサンの製造方法、有機樹脂改質剤および有機樹脂 |
| JP5336098B2 (ja) * | 2008-03-17 | 2013-11-06 | 信越化学工業株式会社 | アクリル樹脂組成物及びそれを用いた成形物 |
| JP6294209B2 (ja) * | 2014-10-31 | 2018-03-14 | 出光興産株式会社 | ポリカーボネート−ポリオルガノシロキサン共重合体の製造方法 |
| WO2019131973A1 (ja) * | 2017-12-28 | 2019-07-04 | 出光興産株式会社 | ポリカーボネート-ポリオルガノシロキサン共重合体 |
-
2021
- 2021-07-05 KR KR1020210088119A patent/KR102865337B1/ko active Active
-
2022
- 2022-07-04 EP EP22837911.1A patent/EP4368659A4/en active Pending
- 2022-07-04 US US18/576,160 patent/US20250051525A1/en active Pending
- 2022-07-04 JP JP2024500097A patent/JP7853398B2/ja active Active
- 2022-07-04 WO PCT/KR2022/009597 patent/WO2023282559A1/ko not_active Ceased
- 2022-07-04 CN CN202280043768.XA patent/CN117545793A/zh active Pending
- 2022-07-05 TW TW111125166A patent/TW202313770A/zh unknown
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| US3028365A (en) | 1953-10-16 | 1962-04-03 | Bayer Ag | Thermoplastic aromatic polycarbonates and their manufacture |
| US3153008A (en) | 1955-07-05 | 1964-10-13 | Gen Electric | Aromatic carbonate resins and preparation thereof |
| US2999835A (en) | 1959-01-02 | 1961-09-12 | Gen Electric | Resinous mixture comprising organo-polysiloxane and polymer of a carbonate of a dihydric phenol, and products containing same |
| US3334154A (en) | 1963-02-21 | 1967-08-01 | Gen Electric | Flame retardant mixed polycarbonate resins prepared from tetrabromo bisphenol-a |
| JPH0733859A (ja) * | 1993-07-20 | 1995-02-03 | Matsushita Electric Works Ltd | エポキシ樹脂組成物 |
| US6001929A (en) * | 1994-07-15 | 1999-12-14 | Idemitsu Petrochemical Co., Ltd. | Polycarbonate resin composition |
| JPH10182832A (ja) * | 1996-10-31 | 1998-07-07 | Toray Dow Corning Silicone Co Ltd | ポリカーボネート樹脂及びその成形品 |
| JP2011089050A (ja) * | 2009-10-23 | 2011-05-06 | Mitsubishi Gas Chemical Co Inc | シロキサン共重合ポリカーボネート、ポリカーボネート樹脂組成物、及び成形品 |
| KR20130045799A (ko) * | 2011-10-26 | 2013-05-06 | 다미폴리켐 주식회사 | 포스페이트-함유 히드록시 말단 실록산, 폴리실록산-폴리카보네이트 공중합체 및 그 제조방법 |
| KR101841684B1 (ko) | 2015-10-15 | 2018-03-26 | 주식회사 삼양사 | 투명성 및 난연성이 향상된 폴리실록산-폴리카보네이트 공중합체 및 그 제조방법 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP4368659A4 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117545793A (zh) | 2024-02-09 |
| KR20230007182A (ko) | 2023-01-12 |
| JP7853398B2 (ja) | 2026-04-28 |
| TW202313770A (zh) | 2023-04-01 |
| EP4368659A4 (en) | 2025-07-23 |
| KR102865337B1 (ko) | 2025-09-26 |
| EP4368659A1 (en) | 2024-05-15 |
| JP2024525535A (ja) | 2024-07-12 |
| US20250051525A1 (en) | 2025-02-13 |
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