KR930019710A - Manufacturing method of rubber latex - Google Patents

Manufacturing method of rubber latex Download PDF

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Publication number
KR930019710A
KR930019710A KR1019920004138A KR920004138A KR930019710A KR 930019710 A KR930019710 A KR 930019710A KR 1019920004138 A KR1019920004138 A KR 1019920004138A KR 920004138 A KR920004138 A KR 920004138A KR 930019710 A KR930019710 A KR 930019710A
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South Korea
Prior art keywords
rubber latex
monomer
producing
latex
diene
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KR1019920004138A
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Korean (ko)
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KR940010341B1 (en
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김동렬
이경우
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최근선
주식회사 럭 키
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Priority to KR1019920004138A priority Critical patent/KR940010341B1/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
    • C08F36/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds
    • C08F36/02—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds

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

Abstract

본 발명은 디엔계 또는 아크릴레이트계의 고무라텍스를 제조함에 있어서, 라텍스의 입자수가 일정하게 되어 새로운 입자 형성이 끝나는 중합 전환율에 도달할때부터 중합전환율이 80%되는 시간 사이에 이들을 응집시킬 수 있는 디엔계 단량체와 수용성 단량체로 구성되는 입자경 조절제 라텍스 0.1 내지 10중량부를 부가하는 것을 특징하는 대구경 고무라텍스의 제조방법에 관한 것이다.In the present invention, in the production of diene- or acrylate-based rubber latex, the number of particles of latex becomes constant so that they can agglomerate between 80% of polymerization conversion time from reaching the polymerization conversion rate when new particle formation is completed. It relates to a large-diameter rubber latex production method characterized by adding 0.1 to 10 parts by weight of a particle size regulator latex composed of a diene monomer and a water-soluble monomer.

Description

고무 라텍스의 제조방법Manufacturing method of rubber latex

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

Claims (14)

디엔계 또는 아크릴레이트계의 고무라텍스를 제조함에 있어서, 라텍스의 입자수가 일정하게 되어 새로운 입자형성이 끝나는 중합 전환율에 도달할 때부터 중합전환율이 80%되는 시간사이에 이들을 응집시킬 수 있는 디엔계 단량체와 수용성 단량체로 구성된 입자경 조절제 라텍스 0.1 내지 10중량부를 부가하는 것을 특징으로 하는 대구경 고무라텍스의 제조방법.In the production of diene or acrylate rubber latex, the diene monomer capable of agglomerating between the time when the number of latex particles reaches a polymerization conversion rate at which new particle formation is completed and the polymerization conversion rate is 80%. And 0.1 to 10 parts by weight of a particle size modifier latex composed of a water-soluble monomer. 제1항에 있어서, 입자경 조절제 라텍스이 평균입경이 0.03내지 0.2인 대구경 고무 라텍스이 제조방법.The method of claim 1 wherein the particle size modifier latex has an average particle diameter of 0.03 to 0.2 Large diameter rubber latex is the manufacturing method. 제1항에 있어서, 입자경 조절제 라텍스가 코어와 쉘로 구성된 구조로서 코어 부분이 소수성 단량체이고 쉘부분이 소수성 단량체와 친수성 단량체로 구성된 공중합체인 대구경 고무라텍스이 제조방법.The method for producing a large-diameter rubber latex according to claim 1, wherein the particle size modifier latex has a structure composed of a core and a shell, wherein the core portion is a hydrophobic monomer and the shell portion is a copolymer composed of a hydrophobic monomer and a hydrophilic monomer. 제3항에 있어서, 코어 부분은 입자경 조절의 10내지 80중량부, 쉘부분은 응집제의 20내지 90중량부로 구성되는 대구경 고무라텍스의 제조방법.The method for producing a large-diameter rubber latex according to claim 3, wherein the core portion comprises 10 to 80 parts by weight of particle size control, and the shell portion is comprised of 20 to 90 parts by weight of a flocculant. 제4항에 있어서, 코어 부분에 교차 결합제자 단량체에 대해 5중량% 이하로 사용하는 대구경 고무라텍스의 제조방법.The method for producing a large diameter rubber latex according to claim 4, wherein the core portion is used in an amount of 5% by weight or less based on the crosslinker monomer. 제5항에 교차 결합제는 디비닐벤젠, 트리비닐벤젠, 에틸렌 글리콜디메타크릴레이트, 부틸렌글리콜디메타크릴레이트 또는 트리메틸을 프로판트리메타크릴레이트 임을 특징으로 하는 대구경 고무라텍스의 제조방법.The cross-linking agent according to claim 5, wherein divinylbenzene, trivinylbenzene, ethylene glycol dimethacrylate, butylene glycol dimethacrylate or trimethyl is propane trimethacrylate. 제1항에 있어서, 수용성 단량체가 쉘단량체에 대해 2내지 20중량%범위내에서 사용되는 대구경 고무라텍스의 제조방법.The method for producing a large diameter rubber latex according to claim 1, wherein the water-soluble monomer is used in the range of 2 to 20% by weight based on the shell monomer. 제1항 또는 제7항에 있어서, 수용성 단량체는 다음 일반식(Ⅰ)의 화합물, 아크릴아미드, 메타크릴아마이드, 에타크릴아마이드, N-부틸 아크릴아마이드에서 1종 이상 선택돈 단량체임을 특징으로 하는 대구경 고무라텍스의 제조방법.The large diameter of claim 1 or 7, wherein the water-soluble monomer is at least one selected from monomers of the following general formula (I), acrylamide, methacrylamide, ethacrylamide, and N-butyl acrylamide. Method for producing rubber latex. 제1항에 있어서, 디엔계 단량체와 수용성 단량체의 중량 구성비가 99.6:0.4내지 82:18임을 특징으로 하는 대구경 고무라텍스이 제조방법.The method of claim 1, wherein the weight ratio of the diene monomer to the water-soluble monomer is 99.6: 0.4 to 82:18. 제1항에 있어서, 응집된 공액 1,3-디엔계 고무라텍스가 1,3-디엔 단독 중합체 또는 1,3-디엔을 함유하는 공중합체임을 특징으로 하는 대구경 고무라텍스이 제조방법.The method for producing a large-diameter rubber latex according to claim 1, wherein the aggregated conjugated 1,3-diene rubber latex is a 1,3-diene homopolymer or a copolymer containing 1,3-diene. 제1항에 있어서, 응집된 아크릴레이트계 고무라텍스는 폴리부틸아크릴레이트, 부틸아크릴레이트와 아크릴로니트릴, 스티렌, 메틸메타크릴레이트, 메틸아크릴레이트, 염화 비닐리덴으로 구성된 그룹에서 선택된 1종 또는 2종 이상의 화합물과의 공중합체임을 특징으로 하는 대구경 고무라텍스의 제조방법.According to claim 1, wherein the aggregated acrylate rubber latex is one or two selected from the group consisting of polybutyl acrylate, butyl acrylate and acrylonitrile, styrene, methyl methacrylate, methyl acrylate, vinylidene chloride A method for producing large diameter rubber latex, characterized in that the copolymer with at least a compound. (Ⅰ) (Ⅰ) 상기식에서 R1, R2는 H 또는 COOH이고, R3는 H, COOH 또는 저급 알킬기이다.Wherein R 1 , R 2 are H or COOH, and R 3 is H, COOH or lower alkyl group. 제1항에 있어서, 제조된 고무라텍스이 입경 표준 편차가 30%이하임을 특징으로하는 대구경 고무라텍스의 제조방법.The method of manufacturing a large diameter rubber latex according to claim 1, wherein the prepared rubber latex has a particle size standard deviation of 30% or less. 제1항에 있어서, 제조된 고무라텍스의 겔함량이 60 내지 90%, 팽윤 지수가 18 내지 40임을 특징으로 하는 대구경라텍스 제조방법.The method of claim 1, wherein the rubber latex gel content of 60 to 90%, swelling index of 18 to 40 characterized in that the swelling index. 제1항에 있어서, 제조된 고무라텍스의 평균 입경이 0.2 내지 0.8인 대구경 고무라텍스의 제조방법.According to claim 1, wherein the average particle diameter of the rubber latex produced is 0.2 to 0.8 Method for producing large diameter rubber latex. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920004138A 1992-03-13 1992-03-13 Process for producing rubber latex KR940010341B1 (en)

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KR1019920004138A KR940010341B1 (en) 1992-03-13 1992-03-13 Process for producing rubber latex

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KR1019920004138A KR940010341B1 (en) 1992-03-13 1992-03-13 Process for producing rubber latex

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KR940010341B1 KR940010341B1 (en) 1994-10-22

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100713100B1 (en) * 2005-03-26 2007-05-02 주식회사 엘지화학 Impact modifiers for polyvinyl chloride and process for preparing the same

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102052500B1 (en) * 2015-10-12 2019-12-05 주식회사 엘지화학 In situ trimodal rubber latex and preparing method thereof
KR102490390B1 (en) * 2019-04-29 2023-01-19 주식회사 엘지화학 Polymer Coagulant and Graft Copolymer Comprising the Same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100713100B1 (en) * 2005-03-26 2007-05-02 주식회사 엘지화학 Impact modifiers for polyvinyl chloride and process for preparing the same

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