WO2001054896A2 - Produit composite multicouche comportant une couche de polymere adhesif sensible a la pression et resistant en temperature - Google Patents
Produit composite multicouche comportant une couche de polymere adhesif sensible a la pression et resistant en temperature Download PDFInfo
- Publication number
- WO2001054896A2 WO2001054896A2 PCT/FR2001/000222 FR0100222W WO0154896A2 WO 2001054896 A2 WO2001054896 A2 WO 2001054896A2 FR 0100222 W FR0100222 W FR 0100222W WO 0154896 A2 WO0154896 A2 WO 0154896A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- weight
- latex
- acrylic
- meth
- monomers
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- 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
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1808—C8-(meth)acrylate, e.g. isooctyl (meth)acrylate or 2-ethylhexyl (meth)acrylate
-
- 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
- C09J4/00—Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; adhesives, based on monomers of macromolecular compounds of groups C09J183/00 - C09J183/16
Definitions
- the present invention relates to a multilayer composite product comprising a layer of pressure-sensitive and temperature-resistant adhesive polymer.
- an adhesive pressure-sensitive polymer is known, obtained by emulsion polymerization of the mixture of the following monomers, for a total of 100% by weight:
- tack tackiness
- creep resistance the glass transition temperature
- the subject of the present invention is therefore a multilayer composite product comprising two external layers and at least one intermediate layer, characterized in that, for all the successive layers which compose it, it comprises at least once the succession of the following three layers:
- the second consisting of a pressure-sensitive adhesive polymer film formed by applying to the layer (I) at least one latex (L1) optionally in admixture with at least one latex (L2) and / or at least one usual additive, then drying of said latex (s); and (III) the third being made of a soft or rigid material,
- a latex (L1) being a latex obtained by emulsion polymerization of the mixture of the following monomers, for a total of 100% by weight:
- (A1) 40 to 95% by weight, in particular 50 to 85% by weight, of at least one (meth) acrylic or vinyl monomer capable of leading to a homopolymer having a glass transition temperature less than or equal to -40 ° VS ;
- (C1) 0.1 to 6% by weight, in particular 0.5 to 3% by weight, of at least one (meth) acrylic carboxylic monomer
- (Dl) 0 to 5% by weight, in particular 0 to 3% by weight, of at least one (meth) acrylic monomer ethoxylated with 1 to 20 moles of ethylene oxide;
- FI 0 to 2% by weight, in particular 0 to 1.5% by weight, of at least one acrylic or vinyl monomer carrying a sulfonate function a latex (L2) being a latex obtained by emulsion polymerization of the mixture of the following monomers, for a total of 100% by weight:
- (A2) 40 to 95% by weight, in particular 50 to 85% by weight, of at least one (meth) acrylic or vinyl monomer capable of leading to a homopolymer having a glass transition temperature less than or equal to -40 ° VS ;
- (B2) 2 to 50% by weight, in particular 10 to 45% by weight, of at least one (meth) acrylic or vinyl monomer capable of leading to a homopolymer having a glass transition temperature greater than or equal to 0 ° C. ;
- (C2) 0.1 to 5% by weight, in particular 0.5 to 3% by weight, of at least one (meth) acrylic carboxylic monomer
- (D2) 0 to 5% by weight, in particular 0, 'l to 3% by weight of at least one (meth) acrylic acid ethoxylated with 1 to 20 moles of ethylene oxide;
- the latex (L1) representing 100 to 5% by weight, in particular from 100 to 10% by weight, of (L1) + (L2), and the latex (L2) representing 0 to 95% by weight, in particular from 0 at 90% by weight, of (L1) + (L2), and the monomer (s) (El) representing 0.01 to 5% by weight, in particular 0.05 to 3% by weight, of the sum of the monomers entering in the composition of (L1) + (L2); and the layer or layers of pressure-sensitive adhesive polymer film (II) resistant to high temperatures up to 200 ° C.
- the latex (s) (L1) optionally in admixture with the latex (s) (L2) " ⁇ s ⁇ nt such that they make it possible to reach temperatures above 180 ° C. in the test, the operating protocol of which is given in Example 17 below, and creep resistance at 80 ° C. greater than 20,000 minutes in the test, the operating protocol of which is given in Example 18 below.
- the latexes (L1) optionally mixed with the latex (s) (L2) are such that they allow temperatures of 180 ° C. to be reached and creep resistance at 80 ° C.
- the latexes are applied using an automatic applicator to poly (ethylene terephthalate) (PET) ribbons, the quantity deposited in dry form being 2-0 g / ⁇ ; the ribbons are then dried for 15 minutes at 60 ° C, then stored 24 hours ' at 23 Q C, 50% relative humidity before evaluation; the ribbons are then applied by their coated side to a substantially vertical stainless steel plate so that the contact surface is 2.5 by 2.5 min and at the end of the ribbon hangs a weight of 1 kg; and either the assembly is then placed in a heating chamber and the sample is subjected to temperatures ranging from 25 ° C to 180 ° C by increasing the temperature by 0.4 ° C per minute and we note then the temperature reached during the weight drop, or else the assembly is then placed in an enclosure heated to 80 ° C. and the time in minutes necessary for the weight drop is noted.
- PET poly (ethylene terephthalate)
- Each of the latex-forming copolymers (L1) and (L2) has a glass transition temperature preferably less than or equal to -25 ° C, in particular less than or equal to -4O ° C.
- the materials constituting the first layer (I) and the second layer (II) are chosen in particular from plastic films such as polypropylene, polyethylene, poly (ethylene terephthalate), poly (vinyl chloride) and polyamide films; aluminum films; protective non-stick coatings such as silicone paper; paper, cardboard, metals, floor coverings such as carpet and linoleum, wood, concrete, nonwovens, fabrics such as cotton, polyester-cotton and polyesters, and leather; and films of paints and varnishes. Mention may be made, inter alia, of three-layer systems of tape / adhesive / adhesive / substrate, and of five-layer systems such as, for example, double-sided adhesives of non-stick film / adhesive / substrate / adhesive / non-stick film. , all these systems leading to assemblies having good thermal resistance.
- the monomers (Al) and (A2) have a glass transition temperature generally between -40 ° C and -80 ° C; they are chosen in particular from butyl acrylate, n-octyl acrylate, isooctyl acrylate, 2-ethylhexyl acrylate and 2-ethylhexyl versatate.
- a particularly preferred monomer (A1) or (A2) is 2-ethylhexyl acrylate.
- the monomers (B1) and (B2) have a glass transition temperature generally between 10 ° C and 105 ° C; they are in particular chosen from methyl acrylate, butyl methacrylate, methyl methacrylate, vinyl acetate and acrylonitrile. Particularly preferred monomers (B1) or (B2) are methyl methacrylate, methyl acrylate, vinyl acetate and mixtures thereof.
- the monomer (Cl) or (C2) is in particular acrylic acid or methacrylic acid, acrylic acid being preferred.
- the monomers (Dl) and (D2) which are optional there may be mentioned methoxyethyl acrylate, ethyldiglycol acrylate, butyldiglycol (meth) acrylate, ethyltriglycol methacrylate, the latter being preferred.
- the monomers (Dl) and (D2) make it possible to increase the properties of sticking to the loop "loop tack", and of peeling.
- - R 1 is an ethylenically unsaturated group, polymerizable by the radical route;
- - R 2 is a hydrogen atom or an alkyl group C j _- C 8;
- - A is an alkylene chain with 2 or 3 carbon atoms which may be substituted by lower alkyl and or hydroxy and / or C 1 -C 4 alkoxy, and / or which may be interrupted by carbonyl.
- CH 2 CH-CH 2 -0-CH 2 -CH-CH 2 -
- R represents hydrogen, 3-alkyloxy-2-hydroxypropyl, vinyl, methacryloyl, acryloyl or methacryloyloxyaceto
- - A represents O, NH or NR
- R 4 represents 3-allyloxy-2-hydroxypropyl when R represents 3-allyloxy-2-hydroxypropyl
- - Alk represents a C ⁇ Cg alkylene chain
- the particularly preferred monomers (E1) are, inter alia, ethylimidazolidone (meth) acrylate, ethyl imidazolidone (meth) acrylamide (WAM II from the company "RHODIA”), 1- [2- [[ 2-hydroxy-3- (2-propenyloxy) - propyl] amino] ethyl] -2-imidazolidone, a monomer sold by the company "RHODIA” under the name “WAM III” and obtained from hydroxyethyl methacrylate, diisocyanate and an ureido amine, maleic acid or maleimide derivatives carrying ureido groups, such as those marketed by the company CYTEC (Cylink C4) and described in international applications WO97 / 49676, WO 97/49685 and WO 97/49686.
- the monomers (FI) and (F2) containing a sulfonate group mention may in particular be made of sodium vinylsulfonate, sodium acrylamidomethylpropane sulfonate, sodium allyl ether sulfonate. Among these, sodium vinyl sulfonate is preferred.
- the monomers (FI) and (F2) make it possible to improve the colloidal stability of the dispersions for pressure-sensitive adhesive polymers, as well as the wetting properties of the supports.
- the latex polymers (PI) and (P2) used according to the invention are prepared by emulsion polymerization under conditions well known to those skilled in the art.
- the reaction is preferably carried out under an inert atmosphere in the presence of radical initiators.
- the priming system used can be a Red-Ox system such as K 2 S 2 O g , (NH 4 ) 2 S 2 0g / Na 2 S 2 0 5 , Na S0 3 , a system thermal such as (NH ⁇ ) 2 S 0g, the amounts used being between 0.2 and 1.0% by weight relative to the total mass of the monomers, preferably between 0.25 and 0.5% by weight.
- organic initiators hydroperoxides, peroxides and azo initiators.
- the emulsion polymerization reaction according to the invention is carried out at a temperature between 65 and 85 ° C and depends on the nature of the initiation system used: 65-75 ° C for Red-Ox systems based on peroxodisulfate and metabisulfite, 70-85 ° C for thermal systems based on peroxodisulfate alone.
- the preparation of the dispersions according to the invention is preferably carried out according to a semi-continuous type process, making it possible to limit the composition drifts which are a function of the differences in reactivity of the different monomers.
- the introduction of the monomers in the form of a pre-emulsion with part of the water and of the surfactants is thus generally carried out - over a period of time from 3 hours 30 to 5 hours. It is also useful, although not essential, to seed 5 to 15% of the monomers.
- the emulsifying systems used in the emulsion polymerization process according to the invention are chosen from the range of emulsifiers having a suitable hydrophilic / lipophilic balance.
- the preferred systems are constituted by the association of an anionic surfactant, such as sodium lauryl sulfate, nonylphenol sulfates ethoxylated in particular with 20 - 25 moles of ethylene oxide, benzene dodecylsulfonate and ethoxylated fatty alcohols sulfates, and of a nonionic surfactant, such as ethoxylated nonylphenols in particular with 10 - 40 moles of ethylene oxide and ethoxylated fatty alcohols.
- an anionic surfactant such as sodium lauryl sulfate, nonylphenol sulfates ethoxylated in particular with 20 - 25 moles of ethylene oxide, benzene dodecylsulfonate and ethoxylated fatty alcohols sulfates
- a nonionic surfactant such as ethoxylated nonylphenols in particular with 10 - 40 moles of ethylene oxide and
- the total amount of emulsifier is in the range from 1 to 5% by weight and preferably from 2 to 4% by weight relative to the monomers.
- the polymer dispersions intended to be applied as self-adhesive according to the invention are preferably synthesized for high dry extracts, of the order of 50 to 65% by weight, to allow rapid drying during application.
- a suitable thickener in small quantities: generally less than 0.2% by weight relative to the final dispersion. It is also possible, although not essential, to add a wetting agent to improve the adhesion to non-polar supports such as polyethylene, a tackifying agent, an anti-foaming agent.
- the polymers obtained in the process according to the invention lead to pressure-sensitive adhesives having a high level of cohesion while retaining good peel and tack values. These new adhesives can thus be used to replace polymers in solvent phase which are costly and harmful to the environment.
- the significant increase in cohesive force is obtained by copolymerization of at least one monomer having a group during ureido, such as ethylimidazolidone methacrylate.
- the copolymerization of the ureido monomer can be carried out according to a semi-continuous process in a single stage but also according to a semi-continuous process in two stages where the ureido monomer is preferably distributed in the second stage without however excluding its use in the first stage .
- a suitable quantity of a transfer agent such as alkyl mercaptans (tert. dodecyl mercaptan, n-dodecylmercaptan), alkyl mercaptopropionates, or thioglycolic acid.
- the optimal amounts of transfer agent according to the invention can range in particular up to 0.25% by weight of the monomers, being preferably from 0.05 to 0.2% by weight. It is also possible to increase the amount of initiator used to reduce the molecular weight.
- the high cohesive force associated with the adhesives according to the present invention also makes the latter compatible with the use of wetting agents used to increase adhesion to low surface energy supports, such as polyolefins.
- aqueous solution of ammonium persulfate by dissolving 3.5 g of ammonium persulfate in 60 g of deionized water.
- a preemulsion is also prepared which consists of 344.29 g of water, to which are added:
- the feeding of the initiator solution and of the monomer mixture is started in parallel, the introduction taking place over 4 hours while maintaining the temperature at 85 ° C.
- the reaction medium is maintained for an additional 2 hours at 85 ° C.
- the pH can also be adjusted to 9 (cf. Examples 7 and 8) using a sodium hydroxide solution or a 20% by volume ammonia solution, and the reactor is drained.
- the latexes obtained have the characteristics set out in Table 1 below.
- the metabisulfite solution is added -and the temperature is allowed to stabilize again at 67 ° C, then 3% - of the pre-emulsion is introduced and 10% of the solution is poured in 6 minutes persulfate.
- the reaction is left to react for an additional 20 minutes, then the remaining 97% of preemulsion and the remaining 90% of persulfate solution are poured separately while maintaining the temperature at 67 ° C.
- the temperature is then increased to 80 ° C. and left to react for an additional hour. Finally, the reaction medium is cooled to around 30 ° C. and the pH is adjusted using a 20% ammonia solution.
- the latexes obtained have the characteristics set out in Table 2 below.
- the method used is inspired by standard ASTM 4498: The latexes of Examples 1 to 11 and the latex mixtures of Examples 14 to 16 are applied using an automatic applicator to PET ribbons, the quantity deposited in dry being 20 g / m 2 . The ribbons are then dried for 15 minutes at 60 ° C, then stored for 24 hours at 23 ° C, 50% relative humidity before evaluation.
- the ribbons are then applied by their coated side to a substantially vertical stainless steel plate so that the contact surface is 2.5 by 2.5 mm, and a weight of 1 kg is suspended from the end of the ribbon. .
- the assembly is then placed in a heating chamber, and the sample is subjected to temperatures ranging from 25 ° C to 180 ° C by increasing the temperature by 0.4 ° C per minute. We then note the temperature reached when the weight fell. The results are shown in Tables 1 and 3.
- the latexes of Examples 1 to 8, 12 and 13 are applied using an automatic applicator to PET ribbons, the quantity deposited in dryness being 20 g / m.
- the ribbons are then dried for 15 minutes at 60 ° C, then stored for 24 hours at 23 ° C, 50% relative humidity before evaluation.
- the ribbons are then applied by their coated side to a substantially vertical stainless steel plate so that the contact surface is 2.5 by 2.5 mm, and a weight of 1 kg is suspended from the end of the ribbon. .
- the assembly is then placed in an enclosure heated to 80 ° C., and the time in minutes necessary for the weight to drop is then noted. The results are shown in Tables 1 and 2.
- the latexes are applied using an automatic applicator to PET ribbons 12.7 mm wide and 60 mm long, the quantity deposited in dry form being 22 g / m.
- the ribbons are then dried for 15 minutes at 60 ° C and then stored for 24 hours at 23 ° C / 50% RH before evaluation.
- the ribbons are then applied by their coated side to a stainless steel plate so that the contact surface is 12.7 x 12.7 mm, and two passages of FINAT standardized roller are practiced in order to promote adhesion. After 20 minutes of contact, the stainless steel plate is then placed on the one hand, and on the other hand the free end of the ribbon in the jaws of a traction device so that the distance between the jaws is 40 mm. .
- a tensile test is then carried out at a speed of 5 mm / minute and the maximum force is measured during the test as well as the type of rupture.
- a commercial latex proposed by the BASF company under the name of Acronal V210 was evaluated comparatively according to the protocol of Examples 17 to 19 to lead to:
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Laminated Bodies (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU35593/01A AU3559301A (en) | 2000-01-28 | 2001-01-24 | Multilayer composite product comprising a pressure-sensitive and temperature-resistant adhesive polymer layer |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0001146A FR2804369B1 (fr) | 2000-01-28 | 2000-01-28 | Produit composite multicouche comportant une couche de polymere adhesif sensible a la pression et resistant en temperature |
| FR00/01146 | 2000-01-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2001054896A2 true WO2001054896A2 (fr) | 2001-08-02 |
| WO2001054896A3 WO2001054896A3 (fr) | 2002-01-31 |
Family
ID=8846447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/FR2001/000222 Ceased WO2001054896A2 (fr) | 2000-01-28 | 2001-01-24 | Produit composite multicouche comportant une couche de polymere adhesif sensible a la pression et resistant en temperature |
Country Status (3)
| Country | Link |
|---|---|
| AU (1) | AU3559301A (fr) |
| FR (1) | FR2804369B1 (fr) |
| WO (1) | WO2001054896A2 (fr) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101054510B1 (ko) | 2004-12-31 | 2011-08-05 | 주식회사 케이씨씨 | 에멀젼 수지 및 휘발성 조용제 및 동결 방지제를 필요로 하지 않는 수성 도료 |
| WO2012140174A1 (fr) | 2011-04-15 | 2012-10-18 | Basf Se | Dispersion d'adhésif sensible à la pression, contenant des polymères préparés par polymérisation par étapes lesquels comportent des groupes uréido ou analogues |
| WO2012139941A1 (fr) | 2011-04-15 | 2012-10-18 | Basf Se | Dispersion d'adhésif de contact contenant des polymères comportant des groupes uréido ou des groupes analogues uréido et comportant des groupes glycidyle |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4077932A (en) * | 1974-03-21 | 1978-03-07 | Borden, Inc. | Acrylate adhesive aqueous dispersions |
| US5202375A (en) * | 1989-07-28 | 1993-04-13 | Rohm And Haas Company | Water-resistant polymeric emulsions |
| FR2751974B1 (fr) * | 1996-07-31 | 1998-09-18 | Atochem Elf Sa | Polymeres adhesifs sensibles a la pression |
| DE19857876A1 (de) * | 1998-12-15 | 2000-06-21 | Basf Ag | Wässrige Polymerdispersionen |
-
2000
- 2000-01-28 FR FR0001146A patent/FR2804369B1/fr not_active Expired - Fee Related
-
2001
- 2001-01-24 WO PCT/FR2001/000222 patent/WO2001054896A2/fr not_active Ceased
- 2001-01-24 AU AU35593/01A patent/AU3559301A/en not_active Abandoned
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101054510B1 (ko) | 2004-12-31 | 2011-08-05 | 주식회사 케이씨씨 | 에멀젼 수지 및 휘발성 조용제 및 동결 방지제를 필요로 하지 않는 수성 도료 |
| WO2012140174A1 (fr) | 2011-04-15 | 2012-10-18 | Basf Se | Dispersion d'adhésif sensible à la pression, contenant des polymères préparés par polymérisation par étapes lesquels comportent des groupes uréido ou analogues |
| WO2012139941A1 (fr) | 2011-04-15 | 2012-10-18 | Basf Se | Dispersion d'adhésif de contact contenant des polymères comportant des groupes uréido ou des groupes analogues uréido et comportant des groupes glycidyle |
| CN103597045A (zh) * | 2011-04-15 | 2014-02-19 | 巴斯夫欧洲公司 | 包含具有脲基或脲基类似基团并具有缩水甘油基的聚合物的压敏粘合剂分散体 |
| US9365745B2 (en) | 2011-04-15 | 2016-06-14 | Basf Se | Pressure-sensitive adhesive dispersion comprising polymers with ureido groups or with ureido-analogous groups and prepared by stage polymerization |
| US9587144B2 (en) | 2011-04-15 | 2017-03-07 | Basf Se | Pressure-sensitive adhesive dispersion comprising polymers with ureido groups or ureido-analogous groups and with glycidyl groups |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2001054896A3 (fr) | 2002-01-31 |
| FR2804369A1 (fr) | 2001-08-03 |
| AU3559301A (en) | 2001-08-07 |
| FR2804369B1 (fr) | 2002-04-19 |
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