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KR960014160A - Method of producing a heat resistant copolymer - Google Patents

Method of producing a heat resistant copolymer Download PDF

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Publication number
KR960014160A
KR960014160A KR1019940027867A KR19940027867A KR960014160A KR 960014160 A KR960014160 A KR 960014160A KR 1019940027867 A KR1019940027867 A KR 1019940027867A KR 19940027867 A KR19940027867 A KR 19940027867A KR 960014160 A KR960014160 A KR 960014160A
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KR
South Korea
Prior art keywords
weight
parts
latex
seed
hours
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KR1019940027867A
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Korean (ko)
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KR0154910B1 (en
Inventor
조성애
이찬홍
Original Assignee
성재갑
주식회사 엘지화학
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Priority to KR1019940027867A priority Critical patent/KR0154910B1/en
Publication of KR960014160A publication Critical patent/KR960014160A/en
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Publication of KR0154910B1 publication Critical patent/KR0154910B1/en

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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
    • C08F2/00—Processes of polymerisation
    • C08F2/12—Polymerisation in non-solvents
    • C08F2/16—Aqueous medium
    • C08F2/22—Emulsion polymerisation
    • 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
    • C08F220/42—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
    • C08F222/00—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 a carboxyl radical and containing at least one other carboxyl radical in the molecule; Salts, anhydrides, esters, amides, imides, or nitriles thereof
    • C08F222/36—Amides or imides
    • C08F222/40—Imides, e.g. cyclic imides

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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)
  • Polymerisation Methods In General (AREA)

Abstract

본 발명은 N－페닐말레이미드 20 내지 50 중량부, α－메틸스티렌 45 내지 60 중량부, 스티렌 5 중량부 이하, 비닐 시인화 화합물 8 내지 20 중량부를 사용하여 유화중합으로 중합 전환율이 98% 이상되는 중합체를 얻고 이들을 시이드용 라텍스로 하여 시이드용 라텍스 1 내지 30 중량부, α－메틸스티렌 60 내지 80 중량부, 스티렌 10 중량부 이하, 비닐 시안화 화합물 5 내지 30 중량부, 에틸렌계 불포화아마이드 5 중량부 이하, 아크릴산 알킬에스테르 또는 메타크릴산 알킬에스테르 10 중량부 이하를 사용하여 유화중합을 행함을 특징으로 하는 내열성 공중합체의 제조방법에 관한 것이다.In the present invention, the polymerization conversion rate is 98% or more by emulsion polymerization using 20 to 50 parts by weight of N-phenylmaleimide, 45 to 60 parts by weight of α-methylstyrene, 5 parts by weight or less of styrene, and 8 to 20 parts by weight of a vinyl visualizing compound. Obtained polymers were used as the latex for the seed, 1 to 30 parts by weight of the latex for seed, 60 to 80 parts by weight of α-methylstyrene, 10 parts by weight or less of styrene, 5 to 30 parts by weight of a vinyl cyanide compound, and 5 parts by weight of ethylenically unsaturated amide. The present invention relates to a method for producing a heat resistant copolymer characterized by emulsion polymerization using 10 parts by weight or less of an acrylic acid alkyl ester or a methacrylic acid alkyl ester.

Description

내열성 공중합체의 제조방법Method of producing a heat resistant copolymer

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

Claims (4)

N－페닐말레이미드 20 내지 50 중량부, α－메틸스티렌 45 내지 60 중량부, 스티렌 5 중량부 이하, 비닐 시인화 화합물 8 내지 20 중량부를 사용하여 유화중합으로 중합 전환율이 98% 이상되는 중합체를 얻고 이들을 시이드용 라텍스로 하여 시이드용 라텍스 1 내지 30 중량부, α－메틸스티렌 60 내지 80 중량부, 스티렌 10 중량부 이하, 비닐 시안화 화합물 5 내지 30 중량부, 에틸렌계 불포화아마이드 5 중량부 이하, 아크릴산 알킬에스테르 또는 메타크릴산 알킬에스테르 10 중량부 이하를 사용하여 유화중합을 행함을 특징으로 하는 내열성 공중합체의 제조방법.Using 20 to 50 parts by weight of N-phenylmaleimide, 45 to 60 parts by weight of α-methylstyrene, 5 parts by weight or less of styrene, and 8 to 20 parts by weight of a vinyl cyanating compound, a polymer having a polymerization conversion of 98% or more by emulsion polymerization Obtained as a latex for seed, 1 to 30 parts by weight of a latex for seed, 60 to 80 parts by weight of α-methylstyrene, 10 parts by weight or less of styrene, 5 to 30 parts by weight of a vinyl cyanide compound, 5 parts by weight or less of ethylenically unsaturated amide, A method for producing a heat-resistant copolymer, characterized in that emulsion polymerization is carried out using 10 parts by weight or less of an alkyl acrylate or an alkyl methacrylate. 제1항에 있어서, 시이드용 라텍스는 시이드용 라텍스의 제조시 사용되는 단량체 총 중량중 60∼40중량%를 반응개시후 일괄투여하고 1∼2시간 동안 45℃ 내지 65℃의 반응온도에서 반응시킨 다음 잔여 단량체와 개시제 혼합물을 55℃∼80℃에서 1시간 내지 2시간 동안 숙성시켜 시이드용 라텍스를 제조함을 특징으로 하는 내열성 공중합체의 제조방법.According to claim 1, The latex for the seed is 60 to 40% by weight of the total weight of the monomer used in the production of the seed latex after the start of the reaction batch reaction and reacted at a reaction temperature of 45 ℃ to 65 ℃ for 1-2 hours Next, the residual monomer and the initiator mixture is aged at 55 ℃ to 80 ℃ for 1 hour to 2 hours to prepare a latex for a heat-resistant copolymer, characterized in that for producing a latex. 제1항에 있어서, 시이드용 라텍스를 일괄투여하고 내열성 공중합체 제조시 사용되는 단량체 총 중량중 40 내지 80중량%를 일괄 투여와 연속(순차적) 투여의 조합으로 2시간 내지 3시간 동안 40℃∼70℃의 반응온도에서 반응시킨 다음 잔여 단량체 중 99 내지 50중량%를 70℃∼85℃에서 2시간 내지 6시간 동안 연속 투여한 후 나머지 단량체를 일괄투여하고 60℃∼90℃에서 2시간 내지 30시간 동안 유화중합을 행함을 특징으로 하는 내열성 공중합체의 제조방법.The method according to claim 1, wherein 40 to 80% by weight of the total weight of the monomers used in the batch administration of the seed latex and the heat-resistant copolymer is 40 to 2 hours in a combination of batch administration and continuous (sequential) administration. After reacting at a reaction temperature of 70 ° C., 99 to 50% by weight of the remaining monomers are continuously administered at 70 ° C. to 85 ° C. for 2 hours to 6 hours, and then the remaining monomers are collectively administered and 2 hours to 30 ° at 60 ° C. to 90 ° C. Method for producing a heat-resistant copolymer, characterized in that the emulsion polymerization for a time. 제1항에 있어서, 비닐 시안화 화합물은 아크릴로니트릴, 메타크릴로니트릴 임을 특징으로 하는 내열성 공중합체의 제조방법.The method of claim 1, wherein the vinyl cyanide compound is acrylonitrile, methacrylonitrile. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940027867A 1994-10-28 1994-10-28 Method of producing a heat resistant copolymer KR0154910B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019940027867A KR0154910B1 (en) 1994-10-28 1994-10-28 Method of producing a heat resistant copolymer

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Application Number Priority Date Filing Date Title
KR1019940027867A KR0154910B1 (en) 1994-10-28 1994-10-28 Method of producing a heat resistant copolymer

Publications (2)

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KR960014160A true KR960014160A (en) 1996-05-22
KR0154910B1 KR0154910B1 (en) 1998-12-01

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100828715B1 (en) * 2005-12-20 2008-05-09 주식회사 엘지화학 Method for producing co-polymerized heat resistant resin of α-methylstyrene and vinyl cyan compound having excellent heat resistance

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101511885A (en) * 2006-09-28 2009-08-19 韩国锦湖石油化学株式会社 Maleimide-alpha-alkylstyrene-based tetrapolymer with low molten viscosity and continuous bulk process for producing it
KR101772268B1 (en) 2015-04-27 2017-08-28 주식회사 엘지화학 Heat-resistant san resin, method for preparing the resin, and heat-resistant san resin 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
KR102231225B1 (en) * 2016-12-28 2021-03-24 주식회사 엘지화학 Styrene resin with heat-resistance and method for producing the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100828715B1 (en) * 2005-12-20 2008-05-09 주식회사 엘지화학 Method for producing co-polymerized heat resistant resin of α-methylstyrene and vinyl cyan compound having excellent heat resistance

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Publication number Publication date
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