KR970070037A - Acrylic copolymer, preparation method thereof, and acrylic copolymer-containing vinyl chloride resin composition - Google Patents

Acrylic copolymer, preparation method thereof, and acrylic copolymer-containing vinyl chloride resin composition Download PDF

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KR970070037A
KR970070037A KR1019970012784A KR19970012784A KR970070037A KR 970070037 A KR970070037 A KR 970070037A KR 1019970012784 A KR1019970012784 A KR 1019970012784A KR 19970012784 A KR19970012784 A KR 19970012784A KR 970070037 A KR970070037 A KR 970070037A
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alkyl
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monomer mixture
acrylic copolymer
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히로시 하기와라
요스케 다카하시
야스히로 스즈키
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고마다 쥰이치로
구레하 가가쿠 고교 가부시키가이샤
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    • 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
    • C08F220/14—Methyl esters, e.g. methyl (meth)acrylate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F212/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring
    • C08F212/02—Monomers containing only one unsaturated aliphatic radical
    • C08F212/04—Monomers containing only one unsaturated aliphatic radical containing one ring
    • C08F212/06—Hydrocarbons
    • C08F212/08—Styrene
    • 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
    • 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
    • C08F220/42—Nitriles
    • C08F220/44—Acrylonitrile
    • 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
    • C08F265/00—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00
    • C08F265/04—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00 on to polymers of esters
    • C08F265/06—Polymerisation of acrylate or methacrylate esters on to polymers thereof
    • 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
    • C08F6/00—Post-polymerisation treatments
    • C08F6/14—Treatment of polymer emulsions
    • C08F6/22—Coagulation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00—Compositions of 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 a halogen; Compositions of derivatives of such polymers
    • C08L27/02—Compositions of 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 a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/04—Compositions of 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 a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08L27/06—Homopolymers or copolymers of vinyl chloride

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Graft Or Block Polymers (AREA)

Abstract

염화비닐 수지에 대해 가공성 변형제로 적당한 아크릴계 공중합체는 메틸 메타크릴레이트 60-95%, 2-8개의 탄소원자의 알킬기를 갖는 알킬 메타크릴레이트와 1-8개의 탄소원자의 알킬기를 갖는 알킬 아크릴레이트로 이루어지는 군에서 선택된 적어도 1원 5-40중량% 및 다른 공중합성 비닐 단량체 0-10중량%로 이루어지는 제1단량체 혼합물을 중합시켜 얻은 공중합체 70-90중량부의 존재하에서 메틸 메타클릴레이트 20-70중량%, 2-8개의 탄소원자의 알킬을 갖는 알킬 메타클릴레이트와 0-6중량%, 1-8개의 탄소원자의 알킬기를 갖는 알킬 아크릴레이트로 0-10중량% 및 다른 공중합성 비닐 단량체 0-10중량%로 이루어지는 제2단량체 혼합물10-30중량부를 중합시켜 얻는다. 단독 중합시킬 때 제2단량체 혼합물을 50℃ 이하의 유리 전이 온도를 제공한다. 온화한 응고로 아클릴계 공중합체는 미세분말이 거의 없고 양호한 유동성을 나타내고 염화비닐 수지와 혼합할 때 개선되 겔화성과 가공성을 갖는 염화비닐계 수지조성물을 제공하는 분립상물로 회수된다.Suitable acrylic copolymers for processability modifiers for vinyl chloride resins include 60-95% methyl methacrylate, alkyl methacrylates having 2-8 carbon atoms and alkyl acrylates having 1-8 carbon atoms. 20-70 weight of methyl methacrylate in the presence of 70-90 weight part of copolymers obtained by polymerizing a first monomer mixture composed of at least 5-40% by weight of a member selected from the group and 0-10% by weight of other copolymerizable vinyl monomers. %, 0-6% by weight alkyl methacrylate having 2-8 carbon atoms and alkyl acrylate having 1-8 carbon atoms, 0-10% by weight and other copolymerizable vinyl monomers 0-10 It is obtained by polymerizing 10-30 parts by weight of a second monomer mixture composed of% by weight. When homopolymerized, the second monomer mixture provides a glass transition temperature of 50 ° C. or less. By mild coagulation, the acryl-based copolymer is recovered as a granular material which provides little vinyl powder, good fluidity and improved when mixed with vinyl chloride resin to provide a vinyl chloride-based resin composition having gelability and processability.

Description

아크릴계 공중합체, 그 제조방법 및 아크릴계 공중합체 함유 염화비닐계 수지조성물Acrylic copolymer, preparation method thereof, and acrylic copolymer-containing vinyl chloride resin composition

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

Claims (6)

메틸 메타크릴레이트 60-95%, 2-8개의 탄소원자의 알킬기를 갖는 알킬 메타크릴레이트와 1-8개의 탄소원자의 알킬기를 갖는 알킬 아크릴레이트로 이루어지는 군에서 선택된 적어도 1원 5-40중량% 및 다른 공중합성 비닐단량체 0-10중량%로 이루어지는 제1단량체 혼합물을 중합시킴으로써 얻은 공중합체 70-90중량부의 존재하에서 메틸 메타크릴레이트 W1중량%, 2-8개의 탄소원자의 알킬기를 갖는 알킬 메타클릴레이트 W2중량%, 1-8개의 탄소원자의 알킬기를 갖는 알킬 아크릴레이트로 W3중량% 및 다른 공중합성 비닐 단량체 W4중량%로 이루어지는 제2단량체 혼합물10-30중량부를 중합시키는데; 여기서 제2단량체 혼합물은 다음의 조성 조건을 만족시키며 : 20≤W1≤70, 0≤W2≤60, 90≤W1+W2+W3≤100, 및 W4=100-W1-W2-W3; 그리고 단독 중합시킬 때 제2단량체 혼합물이 50℃ 이하인 유리전이 온도를 제공하며 얻어지는 아클릴계 공중합체.Methyl methacrylate 60-95%, at least 5-40% by weight selected from the group consisting of alkyl methacrylates having alkyl groups of 2-8 carbon atoms and alkyl acrylates having alkyl groups of 1-8 carbon atoms and other Alkyl methacrylate having 1 % by weight of methyl methacrylate W, an alkyl group of 2-8 carbon atoms in the presence of 70-90 parts by weight of a copolymer obtained by polymerizing a first monomer mixture composed of 0-10% by weight of copolymerizable vinyl monomer. W bit 2% by weight, the polymerization sikineunde second monomer mixture comprising 10 to 30 parts by weight to 3% by weight of W and the other copolymerizable vinyl monomer W 4% by weight of alkyl acrylate having an alkyl group of 1-8 carbon atoms; Wherein the second monomer mixture satisfies the conditions of the following composition: 20≤W 1 ≤70, 0≤W 2 ≤60 , 90≤W 1 + W 2 + W 3 ≤100, and W 4 = 100-W 1 - W 2 -W 3 ; And an acryl-based copolymer obtained when the second monomer mixture provides a glass transition temperature of 50 ° C. or lower when homopolymerized. (1) 메틸 메타크릴레이트 60-95%, 2-8개의 탄소원자의 알킬기를 갖는 알킬 메타크릴레이트와 1-8개의 탄소원자의 알킬기를 갖는 알킬 아크릴레이트로 이루어지는 군에서 선택된 적어도 1원 5-40중량% 및 다른 공중합성 비닐 단량체 0-10중량%로 이루어지는 제1단량체 혼합물을 중합시킴으로써 얻은 공중합체 70-90중량부의 존재하에서 메틸 메타크릴레이트 W1중량%, 2-8개의 탄소원자의 알킬기를 갖는 알킬 메타클릴레이트 W2중량%, 1-8개의 탄소원자의 알킬기를 갖는 알킬 아크릴레이트로 W3중량% 및 다른 공중합성 비닐 단량체 W4중량%로 이루어지는 제2단량체 혼합물10-30중량부를 중합시키는데; 여기서 제2단량체 혼합물은 다음의 조성 조건을 만족시키며 : 20≤W1≤70, 0≤W2≤60, 90≤W1+W2+W3≤100, 및 W4=100-W1-W2-W3; 그리고 단독 중합시킬 때 제2단량체 혼합물이 50℃ 이하인 유리전이 온도를 제공하는 중합단계; 그리고 (2)아크릴계 공중합체 라텍스를 교반하에서 희석 응고제 수용액(ⅰ)과 혼합시켜 온화한 응고를 먼저 한 다음에 온화한 응고보다 강한 응고 조건하에서 아크릴계 공중합체 라텍스의 응고를 완결하기 위해 응고시키는 순차적 응고단계로 이루어지는 아크릴계 공중합체 제조방법.(1) at least 5 to 40 weight percent selected from the group consisting of methyl methacrylate 60-95%, alkyl methacrylate having 2-8 carbon atoms alkyl group and alkyl acrylate having 1-8 carbon atoms alkyl group % And 1 weight% of methyl methacrylate W, alkyl having 2-8 carbon atoms in the presence of 70-90 parts by weight of a copolymer obtained by polymerizing a first monomer mixture composed of 0-10% by weight of other copolymerizable vinyl monomers. meta greater Relate W 2% by weight, sikineunde polymerization 2 parts by weight of a monomer mixture consisting of 10 to 30% by weight of W 3 and the other copolymerizable vinyl monomer W 4% by weight of alkyl acrylate having an alkyl group of 1-8 carbon atoms; Wherein the second monomer mixture satisfies the conditions of the following composition: 20≤W 1 ≤70, 0≤W 2 ≤60 , 90≤W 1 + W 2 + W 3 ≤100, and W 4 = 100-W 1 - W 2 -W 3 ; And a polymerization step of providing a glass transition temperature at which the second monomer mixture is 50 ° C. or less when homopolymerized; And (2) a sequential solidification step in which the acrylic copolymer latex is mixed with a dilute coagulant aqueous solution under stirring to give mild coagulation first and then solidify to complete solidification of the acrylic copolymer latex under stronger coagulation conditions than mild coagulation. Acrylic copolymer production method. 제2항에 있어서, 온화한 응고를 위한 응고제 수용액(ⅰ)이 유기나 무기산 수용액이고 라텍스에 가하여 첨가 후 pH 2.0-4.5로 응고하의 라텍스를 제공하는 것을 특징으로 하는 방법.The method of claim 2 wherein the aqueous coagulant solution for mild coagulation is an aqueous solution of organic or inorganic acid and is added to the latex to provide latex under coagulation to pH 2.0-4.5 after addition. 제2항에 있어서, 응고제 수용액(ⅰ)이 무기나 유기산 및 유기나 무기염의 혼합 수용액이고 라텍스에 가하여 pH 3.0-6.0으로 응고하의 라텍스를 제공하는 것을 특징으로 하는 방법.The method according to claim 2, wherein the aqueous coagulant solution is a mixed aqueous solution of an inorganic or organic acid and an organic or inorganic salt, and is added to the latex to provide latex under coagulation at pH 3.0-6.0. 제2항에 있어서, 응고제 수용액(ⅰ)이 1-, 2- 또는 3가의 양이온을 갖는 무기 또는 유기염의 수용액이고 라텍스에 가하여 1가의 양이온의 경우에 0.08-0.5㏖/ℓ가의 양이온인 경우에 0.005-0.05㏖/ℓ, 또는 3가의 양이온인 경우에 0.0008-0.005㏖/ℓ의 염농도로 응고하의 라텍스를 제공하는 것을 특징으로 하는 방법.The method of claim 2, wherein the coagulant aqueous solution is an aqueous solution of an inorganic or organic salt having a mono-, 2- or trivalent cation and is 0.08-0.5 mol / l valent cation in the case of monovalent cation added to latex. A latex under solidification with a salt concentration of 0.0008-0.005 mol / l in the case of -0.05 mol / l or trivalent cation. 염화비닐수지 100중량부 및 제1항에 따른 아크릴계 공중합체 001-25중량부로 이루어지는 염호비닐계 수지조성물.A polyvinyl chloride resin composition comprising 100 parts by weight of a vinyl chloride resin and 001-25 parts by weight of the acrylic copolymer according to claim 1. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019970012784A 1996-04-30 1997-04-08 Acrylic Copolymer, Process for Producing Same and Vinyl Chloride Resin Composition Containing Same KR100210436B1 (en)

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KR100301128B1 (en) * 1999-01-27 2001-09-13 이종학 Preparation of polyvinyl chloride paste resin having good blowing properties
WO2008035929A1 (en) * 2006-09-22 2008-03-27 Lg Chem, Ltd. Acrylic copolymer for processing aid of vinyl chloride resin composition, method for preparing the same and vinyl chloride resin composition containing the same

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100301128B1 (en) * 1999-01-27 2001-09-13 이종학 Preparation of polyvinyl chloride paste resin having good blowing properties
WO2008035929A1 (en) * 2006-09-22 2008-03-27 Lg Chem, Ltd. Acrylic copolymer for processing aid of vinyl chloride resin composition, method for preparing the same and vinyl chloride resin composition containing the same

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