WO2014038810A1 - Composition adhésive - Google Patents

Composition adhésive Download PDF

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Publication number
WO2014038810A1
WO2014038810A1 PCT/KR2013/007702 KR2013007702W WO2014038810A1 WO 2014038810 A1 WO2014038810 A1 WO 2014038810A1 KR 2013007702 W KR2013007702 W KR 2013007702W WO 2014038810 A1 WO2014038810 A1 WO 2014038810A1
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WO
WIPO (PCT)
Prior art keywords
adhesive composition
sensitive adhesive
pressure
formula
group
Prior art date
Application number
PCT/KR2013/007702
Other languages
English (en)
Korean (ko)
Inventor
최한영
유민근
Original Assignee
동우화인켐 주식회사
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from KR1020130036275A external-priority patent/KR20140031089A/ko
Application filed by 동우화인켐 주식회사 filed Critical 동우화인켐 주식회사
Publication of WO2014038810A1 publication Critical patent/WO2014038810A1/fr

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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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/017—Additives being an antistatic agent

Definitions

  • the present invention improves the compatibility between the antistatic agent and the acrylic copolymer containing no acid, thereby suppressing the bleed out of the antistatic agent, thereby improving the durability, antistatic property and corrosion resistance at the same time. It is about.
  • a liquid crystal display device In general, a liquid crystal display device (LCD) is provided with a liquid crystal cell and a polarizing plate containing a liquid crystal, and an appropriate pressure-sensitive adhesive layer for bonding them is used.
  • the pressure sensitive adhesive is often used an acrylic pressure sensitive adhesive based on an acrylic copolymer having excellent adhesiveness and transparency.
  • peeling the release film from the pressure-sensitive adhesive layer generates static electricity.
  • the generated static electricity affects the alignment of the liquid crystal and causes defects or flows between the liquid crystal cell and the adhesive due to electrostatic attraction. It causes contamination by foreign objects.
  • an ionic antistatic agent may be mixed and used in the pressure-sensitive adhesive composition, but a bleed out phenomenon may be generated due to the surface migration of the ionic antistatic agent. This problem may be particularly exacerbated when exposed to high temperature and high temperature and high humidity environments.
  • liquid crystal cell including a metal layer such as ITO is corroded by H 2 O and O 2 contained in the pressure-sensitive adhesive to form metal oxides, hydroxides, and other corrosive products. These may reduce the electrical or mechanical stability of the liquid crystal display, or may cause problems in securing visibility and reliability.
  • the present invention is excellent in durability as well as antistatic properties because there is no phenomenon such as lifting, bubbles and peeling due to the surface migration of the ionic antistatic agent, and it does not contain a corrosion inhibitor component and can effectively suppress corrosion of the metal layer.
  • the purpose is to provide a composition.
  • the present invention provides an adhesive composition containing an acrylic copolymer having a carboxyl group, and an ionic antistatic agent having an epoxy group.
  • the acrylic copolymer having a carboxyl group may contain an acrylic monomer of Formula 1 or Formula 2.
  • the acrylic copolymer having a carboxyl group may contain a (meth) acrylate monomer having an alkyl group having 4 to 12 carbon atoms and an acrylic monomer of Formula 1 or Formula 2.
  • the acrylic copolymer having a carboxyl group contains a (meth) acrylate monomer having an alkyl group having 4 to 12 carbon atoms, an acrylate monomer of Formula 1 or Formula 2, and an acrylate monomer having a hydroxy group. can do.
  • the acryl-based monomer may contain 0.1 to 2 parts by weight based on 100 parts by weight of the (meth) acrylate monomer having an alkyl group having 4 to 12 carbon atoms.
  • the ionic antistatic agent having the epoxy group includes a cation selected from the group consisting of pyridinium salt, imidazonium salt, ammonium salt, sulfonium salt and phosphonium salt containing epoxy group, fluorine-containing inorganic salt, fluorine-containing organic salt and iodine ion. It may be an ionic salt consisting of an anion selected from the group consisting of.
  • the ionic antistatic agent having the epoxy group may be the following Formula 3 or 4.
  • R 1 , R 2 and R 3 are each independently an aliphatic hydrocarbon having 1 to 12 carbon atoms
  • the ionic antistatic agent having the epoxy group may be contained in an amount of 1 to 10 moles per 1 mole of the carboxylic acid of the acrylic copolymer.
  • the ionic antistatic agent having the epoxy group may be contained in a ratio of 5 to 10 moles per 1 mole of the carboxylic acid of the acrylic copolymer.
  • the pressure-sensitive adhesive composition may further contain an ionic antistatic agent composed of cations and anions.
  • the pressure-sensitive adhesive composition may further contain a crosslinking agent.
  • the pressure-sensitive adhesive composition of the present invention does not have a phenomenon such as lifting, bubbles, and peeling due to the surface migration of the antistatic agent, which is excellent in durability and at the same time has an advantage of satisfying antistatic property.
  • the pressure-sensitive adhesive composition of the present invention has an advantage of effectively suppressing corrosion of the metal layer without separately containing a corrosion inhibitor component.
  • the pressure-sensitive adhesive composition is expected to have high utility for anti-static applications in the fields of plastic products, especially electrical / electronic devices, which tend to generate static electricity.
  • the present invention improves the compatibility between the antistatic agent and the acrylic copolymer containing no acid, thereby suppressing the bleed out of the antistatic agent, thereby improving the durability, antistatic property and corrosion resistance at the same time. It is about.
  • the adhesive composition of this invention contains the adhesive composition containing the acrylic copolymer which has a carboxyl group, and the ionic antistatic agent which has an epoxy group.
  • the pressure-sensitive adhesive composition of the present invention reacts with the carboxyl group of the acrylic copolymer and the epoxy group of the ionic antistatic agent to introduce an ionic functional group derived from the ionic antistatic agent into the acrylic copolymer, as shown below.
  • the ionic functional groups introduced into the acrylic copolymer form strong ionic bonds with the ionic antistatic agent.
  • the ionic antistatic agent which has an epoxy group is contained in 1-10 mol ratio with respect to 1 mol of carboxyl groups of an acryl-type copolymer.
  • the bleed out phenomenon in which the antistatic agent component moves to the surface and precipitates is suppressed, and the durability is excellent. This phenomenon can be suppressed even under high temperature or high temperature / humidity environment, thereby maintaining excellent durability.
  • the pressure-sensitive adhesive composition of the present invention is significantly improved in performance compared to the pressure-sensitive adhesive composition using a conventional antistatic agent only.
  • the acrylic copolymer of the present invention contains a carboxylic acid
  • the epoxy group of the ionic antistatic agent contained in the adhesive composition reacts with the carboxylic acid, corrosion of the metal by the carboxylic acid does not occur. That is, the acrylic copolymer contains an acid component, but does not include an acid in the pressure-sensitive adhesive composition containing the acrylic copolymer.
  • the acryl-type copolymer of this invention contains the (meth) acrylate monomer which has a C4-C12 alkyl group, and the monomer which has a carboxyl group.
  • (meth) acrylate means acrylate and methacrylate.
  • Examples of the (meth) acrylate monomer having an alkyl group having 4 to 12 carbon atoms include n-butyl (meth) acrylate, 2-butyl (meth) acrylate, t-butyl (meth) acrylate, and 2-ethylhexyl (meth).
  • Monomers such as (meth) acrylic acid and crotonic acid, which have the said carboxyl group; Diacids such as maleic acid, itaconic acid and fumaric acid, and monoalkyl esters thereof; 3- (meth) acryloylpropionic acid; Succinic anhydride ring-opening adduct of 2-hydroxyalkyl (meth) acrylate with 2-3 carbon atoms of an alkyl group, Succinic anhydride ring opening adduct of hydroxyalkylene glycol (meth) acrylate with 2-4 carbon atoms of an alkylene group And a compound obtained by ring-opening addition of succinic anhydride to a caprolactone adduct of 2-hydroxyalkyl (meth) acrylate having 2 to 3 carbon atoms of an alkyl group, and these may be used alone or in combination of two or more thereof.
  • the monomer having a carboxyl group is preferably an acrylic monomer of the formula (1) or (2).
  • the stabilization time of the surface resistivity means a time when the measured surface resistivity increases and then saturates. In general, if left at room temperature for 7 days or more, the change in the surface resistivity disappears, and it is predicted that the reaction with the copolymer is completed within 7 days.
  • (meth) acrylate monomers which have a C4-C12 alkyl group, and, as for the monomer which has such a carboxyl group, it is preferable that it is 0.5-1 weight part more preferably. If the content is less than 0.1 part by weight, the fixation of the antistatic agent may be insufficient and the durability may be insufficient. If the content is more than 2 parts by weight, corrosion resistance may be reduced by the remaining acid component.
  • the acrylic copolymer of the present invention may further contain a polymerizable monomer having a crosslinkable functional group in addition to the monomer having a carboxyl group.
  • the polymerizable monomer having a crosslinkable functional group to be added is a component that does not generate hydrogen ions (H + ), which can impart cohesion or adhesive strength of the pressure-sensitive adhesive composition by chemical bonding to impart durability and cutting property. .
  • Examples of the polymerizable monomer having a crosslinkable functional group include a monomer having a hydroxy group, a monomer having an amide group, a monomer having a tertiary amine group, and the like, and these may be used alone or in combination of two or more thereof.
  • Examples of the monomer having an amide group include (meth) acrylamide, N-isopropylacrylamide, N-tert-butylacrylamide, 3-hydroxypropyl (meth) acrylamide, 4-hydroxybutyl (meth) acrylamide, 6 -Hydroxyhexyl (meth) acrylamide, 8-hydroxyoctyl (meth) acrylamide, 2-hydroxyethylhexyl (meth) acrylamide, etc. are mentioned, Among these, (meth) acrylamide is preferable.
  • Monomers having a tertiary amine group include N, N- (dimethylamino) ethyl (meth) acrylate, N, N- (diethylamino) ethyl (meth) acrylate, and N, N- (dimethylamino) propyl ( Meth) acrylate, etc. are mentioned.
  • the acrylic copolymer of the present invention may be a (meth) acrylate monomer having an alkyl group having 4 to 12 carbon atoms, the acrylic monomer of Formula 1 or Formula 2, and a hydroxyl group. It is more preferable to contain the acrylate monomer which has.
  • the polymerizable monomer which has such a crosslinkable functional group is contained in 0.05-10 weight part with respect to 100 weight part of (meth) acrylate monomers which have a C4-C12 alkyl group, More preferably, it is 0.1-8 weight part good. If the content is less than 0.05 parts by weight, the cohesive force of the pressure-sensitive adhesive may be reduced, the durability may be lowered. If the content is more than 10 parts by weight, the adhesive strength is lowered and durability may be lowered by a high gel fraction.
  • the acrylic copolymer of the present invention may further contain other polymerizable monomers other than the above monomers in a range of not lowering the adhesive strength, for example, 10 parts by weight or less based on the total amount.
  • the production method of the copolymer is not particularly limited, and may be prepared using a method such as bulk polymerization, solution polymerization, emulsion polymerization or suspension polymerization, which are commonly used in the art, and solution polymerization is preferable.
  • a solvent, a polymerization initiator, a chain transfer agent for molecular weight control, and the like, which are usually used in the polymerization may be used.
  • the acrylic copolymer preferably has a weight average molecular weight (polystyrene equivalent, Mw) measured by gel permeation chromatography (GPC) of 50,000 to 2 million, more preferably 400,000 to 2 million. If the weight average molecular weight is less than 50,000, there is a lack of cohesion between the copolymers may cause problems in adhesion durability, if the weight average molecular weight is more than 2 million may require a large amount of dilution solvent to ensure fairness during coating.
  • Mw polystyrene equivalent
  • the ionic antistatic agent having an epoxy group is not particularly limited as long as it is an ionic salt composed of a cation and an anion having an epoxy group and can impart ionic conductivity to the pressure-sensitive adhesive.
  • a pyridinium salt or an imidazonium salt containing the following general formula (3) or an epoxy group is preferable to use.
  • R 1 , R 2 and R 3 are each independently aliphatic hydrocarbon having 1 to 12 carbon atoms). More preferably, R 1 , R 2 and R 3 are each independently an aliphatic hydrocarbon having 1 to 4 carbon atoms, still more preferably a methyl group.
  • the pyridinium salt or imidazonium salt containing the epoxy group may be, for example, 1-methyl-3-glycidoxy imidazolium tetrafluoroborate of Chemical Formula 4 below.
  • Formula 4 is Chemistry letters. It may be prepared by the method described in Vol 33, 2004, 560-561.
  • the adhesive composition of this invention contains the acryl-type copolymer containing the monomer which has a carboxyl group, and the ionic antistatic agent which used the pyridinium salt or imidazonium salt containing the said Formula (3) or an epoxy group as a cation. More preferably, the carboxyl group, the acrylate-based monomer having a hydroxy group, and the ionic antistatic agent using a pyridinium salt or an imidazonium salt containing the formula (3) or an epoxy group as a cation may be included.
  • the ionic antistatic agent having such an epoxy group may be contained in an amount of 1 to 10 moles, preferably 5 to 10 moles per 1 mole of the carboxylic acid of the acrylic copolymer. If the content is less than 1 molar ratio, the acid component may remain to reduce corrosion resistance. If the molar ratio exceeds 10 molar ratio, the immobilization ratio of the ionic antistatic agent may be small, which may cause a decrease in heat resistance due to bleed-out.
  • the present invention may further contain a conventional ionic antistatic agent composed of anions and cations. At this time, it is preferable to use an appropriate amount of the ionic antistatic agent added within the range that can achieve the effects of the present invention.
  • An ionic antistatic agent composed of an anion and a cation is not particularly limited as long as it is an ionic salt composed of an anion and a cation that can impart ionic conductivity to the pressure-sensitive adhesive.
  • a cation selected from the group consisting of alkali metal salts, ammonium salts, sulfonium salts and phosphonium salts; It may be an ionic salt consisting of an anion selected from the group consisting of fluorine-containing inorganic salts, fluorine-containing organic salts and iodine ions.
  • the pressure-sensitive adhesive composition of the present invention may further contain a crosslinking agent.
  • a crosslinking agent can improve adhesiveness and durability, and can maintain the reliability and shape of an adhesive at high temperature.
  • the crosslinking agent may be an isocyanate type, an epoxy type, a melamine type, a peroxide type, a metal chelate type, an oxazoline type, or the like, and one or two or more kinds thereof may be used. Double isocyanate type or epoxy type is preferred.
  • the isocyanate type is tolylene diisocyanate, xylene diisocyanate, 2,4-diphenylmethane diisocyanate, 4,4-diphenylmethane diisocyanate, hexamethylene diisocyanate, isophorone diisocyanate, tetramethyl xylene diisocyanate, naphthalenedi Diisocyanate compounds such as isocyanate; Diisocyanate obtained from 2 moles of an adduct obtained by reacting 3 moles of a diisocyanate compound with 1 mole of a polyhydric alcohol compound such as trimethylolpropane, an isocyanurate obtained by self-condensing 3 moles of the diisocyanate compound, and 3 moles of the diisocyanate compound And polyfunctional isocyanate compounds containing three functional groups such as biuret, triphenylmethanetriisocyanate, and methylenebistriisocyanate, in which the remaining 1 mo
  • Examples of the melamine type include hexametholol melamine, hexamethoxymethyl melamine, hexabutoxymethyl melamine, and the like.
  • Such a crosslinking agent may be contained in an amount of 0.1 to 15 parts by weight, preferably 0.1 to 5 parts by weight, based on 100 parts by weight of the acrylic copolymer. If the content is less than 0.1 part by weight, the cohesive force may be reduced due to insufficient crosslinking degree, thereby impairing the adhesive durability and the cleavage property. If the content is more than 15 parts by weight, problems may occur in reducing residual stress due to excessive crosslinking reaction.
  • the pressure-sensitive adhesive composition is a silane coupling agent, tackifying resin, antioxidant, leveling agent, surface lubricant, dye, in order to adjust the adhesion, cohesion, viscosity, elastic modulus, glass transition temperature, etc.
  • Additives, such as a pigment, an antifoamer, a filler, and a light stabilizer, can be further contained.
  • Such additives can be appropriately adjusted in a range not impairing the effects of the present invention.
  • the pressure-sensitive adhesive composition of the present invention can be used as a pressure-sensitive adhesive for polarizing plates and a surface protective film for bonding to liquid crystal cells.
  • it can be used as a general commercial adhesive sheet product as well as a protective film, a reflective sheet, a structural adhesive sheet, a photographic adhesive sheet, a lane marking adhesive sheet, an optical adhesive product, an adhesive for electronic parts, and the like.
  • n-butyl acrylate BA
  • MA methyl acrylate
  • 2-hydroxyethyl acrylate in a 1 L reactor equipped with a refrigeration system for reflux of nitrogen gas and for easy temperature control.
  • HEA 2.0 parts by weight and a monomer mixture consisting of 1 part by weight of acrylic acid (AA) was added, then 100 parts by weight of acetone as a solvent. Then, after purging nitrogen gas for 1 hour to remove oxygen, it was maintained at 62 °C.
  • AIBN azobisisobutyronitrile
  • an acrylic copolymer was prepared using 1 part by weight of carboxyethyl acrylate (CEA) instead of acrylic acid.
  • CEA carboxyethyl acrylate
  • an acrylic copolymer was prepared using 1 part by weight of methoxyethyl acrylate (MEA) instead of acrylic acid.
  • MEA methoxyethyl acrylate
  • Table 2 described an antistatic agent having an acrylic copolymer, an ionic antistatic agent and an epoxy group, and other crosslinking agents and silane coupling agents used the same components and contents.
  • the pressure-sensitive adhesive composition prepared above was applied on a release film coated with a silicone release agent to have a thickness of 25 ⁇ m, and dried at 100 ° C. for 1 minute to form an adhesive layer.
  • a pressure-sensitive adhesive polarizing plate was prepared by laminating the pressure-sensitive adhesive layer prepared above on an iodine-based polarizing plate having a thickness of 185 ⁇ m.
  • the prepared polarizing plate was stored under curing conditions at 23 ° C. and 60% RH.
  • the prepared pressure-sensitive adhesive polarizing plate was measured 10 times each of three points of the pressure-sensitive adhesive layer by using a surface resistance measuring instrument (MCP-HT450, Mitsubishi Chemical Co., Ltd.), and the average value was shown.
  • the time when the measured value of the surface specific resistance increases and saturation is expressed as the stabilization time.
  • Bubble or peeling is slightly visible but polarizer performance is maintained: ⁇
  • the adhesive layer was peeled from the said laminated body, the surface of the aluminum plate which contacted the said adhesive layer was visually observed, and the presence or absence of corrosion was evaluated.
  • the aluminum plate surface is not corroded at all: ⁇
  • the pressure-sensitive adhesive composition of Examples 1 to 13 containing an acrylic copolymer having a carboxyl group and an ionic antistatic agent having an epoxy group according to the present invention is more durable (heat and moisture resistant) than Comparative Examples 1 to 3. It was confirmed that the antistatic property and the corrosion resistance were excellent at the same time.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Adhesive Tapes (AREA)

Abstract

La présente invention concerne une composition adhésive, et plus particulièrement, une composition adhésive ayant une excellente durabilité et une excellente propriété antistatique et qui supprime de façon efficace la corrosion d'une couche métallique sans contenir un agent anticorrosif supplémentaire en ce qu'elle contient un copolymère à base d'acryle ayant un groupe carboxyle et un agent antistatique ionique ayant un groupe époxy de façon à éviter des conditions telles que le détachement, la formation de mousse et l'exfoliation dus à la transition de surface de l'agent antistatique.
PCT/KR2013/007702 2012-09-04 2013-08-28 Composition adhésive WO2014038810A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2012-0097730 2012-09-04
KR20120097730 2012-09-04
KR1020130036275A KR20140031089A (ko) 2012-09-04 2013-04-03 점착제 조성물
KR10-2013-0036275 2013-04-03

Publications (1)

Publication Number Publication Date
WO2014038810A1 true WO2014038810A1 (fr) 2014-03-13

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PCT/KR2013/007702 WO2014038810A1 (fr) 2012-09-04 2013-08-28 Composition adhésive

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WO (1) WO2014038810A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2527640A (en) * 2014-04-21 2015-12-30 Friedrich Wilhelm Wieland Corrosion inhibitors, improved paint and corrosion protection coating
FR3023297A1 (fr) * 2014-07-02 2016-01-08 Friedrich Wilhelm Wieland
WO2017099465A1 (fr) * 2015-12-07 2017-06-15 주식회사 엘지화학 Composition adhésive
CN108484849A (zh) * 2018-03-19 2018-09-04 湖南辰砾新材料有限公司 一种嵌段型离子聚合物抗静电剂及其制备方法

Citations (5)

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JP2007009124A (ja) * 2005-07-04 2007-01-18 Japan Carlit Co Ltd:The 帯電防止エポキシ樹脂組成物及び成形体
KR100708972B1 (ko) * 2004-10-21 2007-04-18 주식회사 엘지화학 대전 방지성이 우수한 아크릴계 점착제 조성물
EP2107092A1 (fr) * 2004-07-26 2009-10-07 Nitto Denko Corporation Composition adhésive sensible à la pression, feuilles adhésives sensibles à la pression et film de protection de surface
WO2010002438A1 (fr) * 2008-07-04 2010-01-07 Az Technology, Inc. Résines époxy liquides ioniques
JP2010512426A (ja) * 2006-12-07 2010-04-22 スリーエム イノベイティブ プロパティズ カンパニー ブロックコポリマーとアクリル接着剤とのブレンド

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2107092A1 (fr) * 2004-07-26 2009-10-07 Nitto Denko Corporation Composition adhésive sensible à la pression, feuilles adhésives sensibles à la pression et film de protection de surface
KR100708972B1 (ko) * 2004-10-21 2007-04-18 주식회사 엘지화학 대전 방지성이 우수한 아크릴계 점착제 조성물
JP2007009124A (ja) * 2005-07-04 2007-01-18 Japan Carlit Co Ltd:The 帯電防止エポキシ樹脂組成物及び成形体
JP2010512426A (ja) * 2006-12-07 2010-04-22 スリーエム イノベイティブ プロパティズ カンパニー ブロックコポリマーとアクリル接着剤とのブレンド
WO2010002438A1 (fr) * 2008-07-04 2010-01-07 Az Technology, Inc. Résines époxy liquides ioniques

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2527640A (en) * 2014-04-21 2015-12-30 Friedrich Wilhelm Wieland Corrosion inhibitors, improved paint and corrosion protection coating
GB2527640B (en) * 2014-04-21 2022-09-21 Wilhelm Wieland Friedrich Corrosion inhibitors, improved paint and corrosion protection coating
FR3023297A1 (fr) * 2014-07-02 2016-01-08 Friedrich Wilhelm Wieland
WO2017099465A1 (fr) * 2015-12-07 2017-06-15 주식회사 엘지화학 Composition adhésive
US10829668B2 (en) 2015-12-07 2020-11-10 Lg Chem, Ltd. Pressure-sensitive adhesive composition
CN108484849A (zh) * 2018-03-19 2018-09-04 湖南辰砾新材料有限公司 一种嵌段型离子聚合物抗静电剂及其制备方法
CN108484849B (zh) * 2018-03-19 2021-11-16 中红普林医疗用品股份有限公司 一种离子聚合物抗静电剂及其制备方法

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