KR950014155A - Method for producing thermoplastic styrene resin - Google Patents

Method for producing thermoplastic styrene resin Download PDF

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Publication number
KR950014155A
KR950014155A KR1019930023630A KR930023630A KR950014155A KR 950014155 A KR950014155 A KR 950014155A KR 1019930023630 A KR1019930023630 A KR 1019930023630A KR 930023630 A KR930023630 A KR 930023630A KR 950014155 A KR950014155 A KR 950014155A
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KR
South Korea
Prior art keywords
initiator
parts
styrene resin
added
polymerization
Prior art date
Application number
KR1019930023630A
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Korean (ko)
Other versions
KR0134640B1 (en
Inventor
정하식
장복남
Original Assignee
채오병
제일모직 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.)
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Publication date
Application filed by 채오병, 제일모직 주식회사 filed Critical 채오병
Priority to KR1019930023630A priority Critical patent/KR0134640B1/en
Publication of KR950014155A publication Critical patent/KR950014155A/en
Application granted granted Critical
Publication of KR0134640B1 publication Critical patent/KR0134640B1/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
    • 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
    • C08F212/10—Styrene with nitriles
    • 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
    • C08F2/18—Suspension polymerisation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L25/00—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 an aromatic carbocyclic ring; Compositions of derivatives of such polymers
    • C08L25/02—Homopolymers or copolymers of hydrocarbons
    • C08L25/04—Homopolymers or copolymers of styrene
    • C08L25/08—Copolymers of styrene
    • C08L25/12—Copolymers of styrene with unsaturated 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)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polymerisation Methods In General (AREA)

Abstract

본 발명은 알파알킬스티렌과 아크릴로니트릴 공중합체 수지의 제조방법에 관한 것이다.본 발명은 분자량을 적정 수준으로 유지하면서도 반응성이 저하되지 아니하는 현탁 중합법에 의한 열가소성 스티렌계 수지의 제조방법을 제공하는 것을 목적으로 한다.본 발명은 알파메틸스티렌 65-78 중량부, 아크릴로니트릴 35-22 중량부를 사용하여 현탁중합법으로 내열 스티렌계 수지공중중합물을 제조하는데 있어서, 개시제로 10시간 반감기온도가 80-100℃인 아조계 또는 과산화물계화합물을 투입단량체 대비하여 0.1-1.0부를 사용하여 10-30시간 동안 라디칼 중합을 실시하여, 중합초기에 전체 투입되는 개시제의 총량의 50-95%를 투입하고, 중합이 진행되어 고분자 전화율이 30-70%진행된 시점에서 나머지 개시제 50-5%를 투입하는 것을 특징으로 한다.The present invention relates to a method for producing alpha-alkyl styrene and acrylonitrile copolymer resin. The present invention provides a method for producing a thermoplastic styrene resin by a suspension polymerization method in which the reactivity is not lowered while maintaining the molecular weight at an appropriate level. The present invention is to prepare a heat-resistant styrene resin copolymer by suspension polymerization method using 65-78 parts by weight of alphamethylstyrene and 35-22 parts by weight of acrylonitrile, the initiator has a half-life temperature of 10 hours Radical polymerization was carried out for 10-30 hours using 0.1-1.0 parts of azo- or peroxide-based compound at 80-100 ° C., and 50-95% of the total amount of initiator added at the initial stage of polymerization. When the polymerization proceeds and the polymer conversion rate is 30-70%, 50-5% of the remaining initiator is added.

Description

열가소성 스티렌계 수지의 제조방법Method for producing thermoplastic styrene resin

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

Claims (2)

알파메틸스티렌 65-78중량부, 아크릴로니트릴 35-22 중략부를 사용하여 현탁중합법으로 내열 스티렌계 수지공중합물을 제조하는데 있어서, 개시제로 10시간 반감기온도가 80-100℃인 아조계 또는 과산화물계화합물을 투입단량체에 대비하여 0.1-1.0부를 사용하여 10-30시간 동안 라디칼중합을 실시하며, 중합초기에 전체 투입되는 개시제의 총량이 50-70% 진행된 시점에서 나머지 개시제 50-5%를 투입하는 것을 특징으로 하는 열가소성 스티렌계 수지의 제조방법.In preparing a heat-resistant styrenic resin copolymer by suspension polymerization method using 65-78 parts by weight of alphamethylstyrene and 35-22 parts of acrylonitrile, an azo-based or peroxide having a half-life temperature of 80-100 ° C as an initiator. Radical polymerization is carried out for 10-30 hours using 0.1-1.0 parts of the system compound in preparation for the input monomer, and the remaining 50-5% of the initiator is added when the total amount of the initiator added at the beginning of the polymerization is 50-70%. Method for producing a thermoplastic styrene resin, characterized in that. 제1항에 있어서, 개시제를 알파메틸스티렌에 용해하여 투입하는 것을 특징으로 하는 열가소성 스티렌계 수지의 제조방법.The method for producing a thermoplastic styrene resin according to claim 1, wherein the initiator is dissolved in alpha methyl styrene and added. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019930023630A 1993-11-08 1993-11-08 Preparing method of polystyrene resin KR0134640B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019930023630A KR0134640B1 (en) 1993-11-08 1993-11-08 Preparing method of polystyrene resin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019930023630A KR0134640B1 (en) 1993-11-08 1993-11-08 Preparing method of polystyrene resin

Publications (2)

Publication Number Publication Date
KR950014155A true KR950014155A (en) 1995-06-15
KR0134640B1 KR0134640B1 (en) 1998-04-20

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ID=19367568

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019930023630A KR0134640B1 (en) 1993-11-08 1993-11-08 Preparing method of polystyrene resin

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030034928A (en) * 2001-10-29 2003-05-09 주식회사 엘지화학 Continuous bulk polymerization process for preparing ultra heat resistant copolymer
KR102376802B1 (en) 2018-12-10 2022-03-21 주식회사 엘지화학 Method for preparing thermoplastic copolymer, thermoplastic copolymer produced by the method and thermoplastic resin composition comprising the copolymer

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Publication number Publication date
KR0134640B1 (en) 1998-04-20

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