KR930023387A - Method of producing a heat resistant copolymer - Google Patents

Method of producing a heat resistant copolymer Download PDF

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Publication number
KR930023387A
KR930023387A KR1019920007582A KR920007582A KR930023387A KR 930023387 A KR930023387 A KR 930023387A KR 1019920007582 A KR1019920007582 A KR 1019920007582A KR 920007582 A KR920007582 A KR 920007582A KR 930023387 A KR930023387 A KR 930023387A
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South Korea
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weight
parts
heat resistant
resistant copolymer
producing
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KR1019920007582A
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Korean (ko)
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KR940011156B1 (en
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유근훈
이찬홍
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최근선
주식회사 럭키
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F212/00Copolymers 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
    • C08F212/02Monomers containing only one unsaturated aliphatic radical
    • C08F212/04Monomers containing only one unsaturated aliphatic radical containing one ring
    • C08F212/06Hydrocarbons
    • C08F212/08Styrene
    • C08F212/10Styrene with nitriles

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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)
  • Polymerisation Methods In General (AREA)
  • Graft Or Block Polymers (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

본 발명은 α-메틸스티렌, 스티렌, 비닐 시안화합물 α,β-불포화카르복실산,에틸렌계 불포화 아마이드 및 아크릴산 알킬 에르테르 또는 메타크릴산 알킬 에스테르로 이루어지는 단량체 조성물을 유화중합시켜 내열성 공중합체를 제조하는 방법 및 상기 내열성 공중합체를 ABS 그라프트 공중합체와 혼련시켜 제조한 성형성 및 내충격성이 우수하며, 고온에서의 열안정성이 극히 우수한 내열성 ABS 수지를 제공한다.The present invention emulsifies and polymerizes a monomer composition comprising α-methyl styrene, styrene, a vinyl cyan compound α, β-unsaturated carboxylic acid, ethylenically unsaturated amide and alkyl acrylate ether or methacrylic acid alkyl ester to prepare a heat resistant copolymer. The present invention provides a heat resistant ABS resin having excellent moldability and impact resistance and excellent heat stability at high temperature prepared by kneading the heat resistant copolymer with an ABS graft copolymer.

Description

내열성 공중합체의 제조 방법Method of producing a heat resistant copolymer

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

Claims (9)

α-메틸스티렌, 스티렌, 비닐 시안화합물 α,β-불포화카르복실산,에틸렌계 불포화 아마이드 및 아크릴산 알킬 에르테르 또는 메타크릴산 알킬 에스테르로 이루어지는 단량체 조성물을 유화중합시켜 내열성 공중합체를 제조함에 있어서, 1) 단량체 총 중량중 75내지 90중량%를 개시제 및 유화제와 함께 일괄투여하여 반응시키고 ; 2) 단량체 총 중량중 8내지 22중량%를 연속투여한 다음 ; 3) 잔여 단량체와 개시제를 튜여하여 유화중합시킴을 특징으로 하는 내열성 공중합체의 제조방법.In emulsion-polymerizing the monomer composition which consists of (alpha) -methylstyrene, a styrene, a vinyl cyan compound (alpha), (beta)-unsaturated carboxylic acid, ethylenically unsaturated amide, and alkyl acrylate ether or methacrylic acid alkyl ester, in producing a heat resistant copolymer, 1) 75 to 90% by weight of the total weight of the monomers are reacted by batch administration with an initiator and an emulsifier; 2) continuously administering 8 to 22% by weight of the total weight of the monomers; 3) A method for producing a heat resistant copolymer characterized in that the emulsion is polymerized by tufting the residual monomer and the initiator. 제1항에 있어서, 상기 α,β-불포화 카복실산 단량체가 메타크릴산, 아크릴산 또는 이타콘산 임을 특징으로하는 내열성 공중합체의 제조방법.The method of claim 1, wherein the α, β-unsaturated carboxylic acid monomer is methacrylic acid, acrylic acid or itaconic acid. 제1항에 있어서, 상기 메타크릴산 알킬 에스테르 단량체가 메틸 메타크릴레이트임을 특징으로 하는 내열성 공중합체의 제조방법.The method of claim 1, wherein the methacrylic acid alkyl ester monomer is methyl methacrylate. 제1항에 있어서, 상기 에틸렌계 불포화 아마이드 단량체가 메타크릴 아마이드임을 특징으로 하는 내열성 공중합체의 제조방법.The method of claim 1, wherein the ethylenically unsaturated amide monomer is a methacryl amide. 제1항에 있어서, 상기 유화제가 알킬 술폰산염이거나 또는 로진산염과의 그의 혼합물임을 특징으로 하는 내열성 공중합체의 제조방법.The method of claim 1 wherein the emulsifier is an alkyl sulfonate or a mixture thereof with a rosin acid salt. 제1항에 있어서, 상기 개시제가 산화-환원계 촉매임을 특징으로 하는 내열성 공중합체의 제조방법.The method for producing a heat resistant copolymer according to claim 1, wherein the initiator is an oxidation-reduction catalyst. 제1항에 있어서, α-메틸스티렌 50내지 80중량부, 스티렌 1내지 5중량부, 비닐시안화합물 10내지 30중량부, αβ불포화 카복실산 0.1 내지 7중량부, 에틸렌계 불포화 아마이드 0.1내지 1중량부, 아크릴산 알킬 에스테르 또는 메타크릴산 알킬 에스테르 0.1내지 10중량부, 개시제 0.2내지 0.4중량부 및 유화제 1내지 4중량부를 사용함을 특징으로 하는 내열성 공중합체의 제조방법.The method of claim 1, wherein 50 to 80 parts by weight of α-methylstyrene, 1 to 5 parts by weight of styrene, 10 to 30 parts by weight of vinyl cyanide compound, 0.1 to 7 parts by weight of αβ-unsaturated carboxylic acid, 0.1 to 1 parts by weight of ethylenically unsaturated amide , 0.1 to 10 parts by weight of acrylic acid alkyl ester or methacrylic acid alkyl ester, 0.2 to 0.4 part by weight of initiator and 1 to 4 parts by weight of emulsifier. 제1항에 있어서, 1)의 반응을 55내지 65℃의 온도에서 1내지 2시간 동안 수행하고, 2)의 투여공정을 65내지 80℃의 온도에서 2내지 5시간에 걸쳐 수행하며, 3)의 유화중합 반응을 1내지 2시간동안 수행함을 특징으로 하는 내열성 공중합체의 제조방법.The reaction of claim 1, wherein the reaction of 1) is carried out at a temperature of 55 to 65 ° C. for 1 to 2 hours, and the administration process of 2) is carried out at 2 to 5 hours at a temperature of 65 to 80 ° C., and 3) Emulsification polymerization of the method for producing a heat-resistant copolymer, characterized in that carried out for 1 to 2 hours. ABS 수지의 내열성을 향상시키는 방법에 있어서, 제1항 내지 8항의 방법에 따라 제조된 내열성 공중합체와 공지의 ABS 수지를 혼련시킴을 특징으로 하는 제조방법.A method for improving the heat resistance of an ABS resin, wherein the heat resistant copolymer prepared according to the method of claims 1 to 8 and a known ABS resin are kneaded. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920007582A 1992-05-04 1992-05-04 Process for producing a heat resistant copolymer KR940011156B1 (en)

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KR1019920007582A KR940011156B1 (en) 1992-05-04 1992-05-04 Process for producing a heat resistant copolymer

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KR930023387A true KR930023387A (en) 1993-12-18
KR940011156B1 KR940011156B1 (en) 1994-11-24

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101397693B1 (en) * 2011-06-03 2014-05-22 제일모직주식회사 Aromatic vinyl copolymer and composition comprising the same
KR102009313B1 (en) * 2015-11-12 2019-08-09 주식회사 엘지화학 Graft copolymer, method for preparing the copolymer and thermoplastic resin composition comprising the copolymer
KR102158121B1 (en) * 2016-12-01 2020-09-21 주식회사 엘지화학 Method for preparing heat resistance san resin, method for preparing resin composition comprising the same resin and method for preparing molding product

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