KR940019795A - Rubber modified styrene resin composition excellent in abrasion resistance and its manufacturing method - Google Patents

Rubber modified styrene resin composition excellent in abrasion resistance and its manufacturing method Download PDF

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Publication number
KR940019795A
KR940019795A KR1019930001347A KR930001347A KR940019795A KR 940019795 A KR940019795 A KR 940019795A KR 1019930001347 A KR1019930001347 A KR 1019930001347A KR 930001347 A KR930001347 A KR 930001347A KR 940019795 A KR940019795 A KR 940019795A
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KR
South Korea
Prior art keywords
resin composition
styrene
rubber
weight
polydimethylsiloxane
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Application number
KR1019930001347A
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Korean (ko)
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KR960007313B1 (en
Inventor
전창배
진태용
안성태
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김동선
동부화학 주식회사
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Priority to KR1019930001347A priority Critical patent/KR960007313B1/en
Publication of KR940019795A publication Critical patent/KR940019795A/en
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Publication of KR960007313B1 publication Critical patent/KR960007313B1/en

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    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
    • C08L83/04—Polysiloxanes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons

Abstract

본 발명은 고무변성 스티렌계 수지 조성물 및 그의 제조방법에 관한 것으로서, 특히 상기 수지 조성물내에 폴리디메틸실록산을 분산시킴으로써 내마모성을 현저하게 향상시킨 고무변성 스티렌계 수지 조성물 및 그의 제조방법에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rubber modified styrene resin composition and a method for producing the same, and more particularly, to a rubber modified styrene resin composition and a method for producing the rubber modified styrene resin which have significantly improved wear resistance by dispersing polydimethylsiloxane in the resin composition.

본 발명에 따른 고무변성 스티렌계 수지 조성물은 스티렌계 단량체 85 내지 95중량%, 폴리부타디엔고무 3.0 내지 8.0중량%, 폴리디메틸실록산 0.5 내지 3.0중량% 및 기타 첨가제 0 내지 5중량%를 혼합, 중합하여 제조된다.Rubber modified styrene resin composition according to the present invention by mixing and polymerizing 85 to 95% by weight of styrene monomer, 3.0 to 8.0% by weight of polybutadiene rubber, 0.5 to 3.0% by weight of polydimethylsiloxane and 0 to 5% by weight of other additives Are manufactured.

본 발명에 따르면 고무변성 스티렌계 수지의 내마모성이 현저히 향상되어 마찰 및 진동에 내성이 있어야 하는 전기, 전자부품 용도에 적합한 소재가 제공될 수 있다.According to the present invention, the wear resistance of the rubber-modified styrene resin may be remarkably improved to provide a material suitable for use in electrical and electronic parts that should be resistant to friction and vibration.

Description

내마모성이 우수한 고무 변성 스티렌계 수지 조성물 및 그의 제조방법Rubber modified styrene resin composition excellent in abrasion resistance and its manufacturing method

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

Claims (9)

스티렌계 단량체 85 내지 95중량%, 폴리부타디엔고무 3.0 내지 8.0중량%, 폴리디메틸실록산 0.5 내지 3.0중량% 및 기타 첨가제 0 내지 5중량%가 혼합, 중합되는 것을 특징으로 하는 내마모성이 우수한 고무변성 스티렌계 수지 조성물.85 to 95% by weight of styrene-based monomers, 3.0 to 8.0% by weight of polybutadiene rubber, 0.5 to 3.0% by weight of polydimethylsiloxane and 0 to 5% by weight of other additives are mixed and polymerized. Resin composition. 제1항에 있어서, 상기 폴리부타디엔 고무 입경분포가 0.1 내지 2.5㎛로 되는 것을 특징으로 하는 상기 수지 조성물.The said resin composition of Claim 1 whose said polybutadiene rubber particle size distribution becomes 0.1-2.5 micrometers. 제1항에 있어서, 상기 폴리부타디엔 고무가 로우-시스폴리 부타디엔(Low-cis ploybutdiene)인 것을 특징으로 하는 상기 수지 조성물.The resin composition according to claim 1, wherein the polybutadiene rubber is low-cis ploybutdiene. 제1항에 있어서, 상기 스티렌계 단량체로서 스티렌, 메틸 스티렌, 에틸스티렌, 이소프로필스티렌등의 알킬스티렌, 클로로스티렌, 브로모스티렌등의 할로겐화 스티렌으로 구성되는 군으로부터 하나 또는 둘 이상이 선택되어 사용되는 것을 특징으로 하는 상기 수지 조성물.According to claim 1, One or more selected from the group consisting of alkyl styrene, such as styrene, methyl styrene, ethyl styrene, isopropyl styrene, halogenated styrene, such as chloro styrene, bromostyrene, as the styrene monomer Said resin composition characterized by the above-mentioned. 티렌과 라디칼 중합이 가능한 단량체, 예를 들어, 아크릴로니트릴, 메타크릴로 니트릴, 시안화 비닐리덴, 아크릴산등이 일부 부가되는 것을 특징으로 하는 상기 수지 조성물.The resin composition, wherein a monomer capable of radical polymerization with styrene, for example, acrylonitrile, methacrylonitrile, vinylidene cyanide, acrylic acid, or the like is partially added. 제1항에 있어서, 상기 폴리디메틸실록산의 점도가 350 내지 60,000 센티스토크인 것을 특징으로 하는 상기 수지 조성물.The said resin composition of Claim 1 whose viscosity of the said polydimethylsiloxane is 350-60,000 centistokes. 제1항에 있어서, 상기 폴리부타디엔고무가 최종적으로 입자상의 단일 흡장(吸藏,, occlusion)구조를 가지며, 상기 고무 입자의 크기 분포를 소입자 및 대입자의 구성비로서 85 : 15 내지 15 : 85로 한 것을 특징으로 하는 상기 수지 조성물.The method of claim 1, wherein the polybutadiene rubber finally has a single occlusion structure in the form of particles, and the size distribution of the rubber particles is 85: 15 to 15: 85 as a composition ratio of small particles and large particles. The said resin composition characterized by the above-mentioned. 제1항에 있어서, 상기 폴리디메틸실록산은을 기본 구조로 하며, 그 측쇄 또는 양말단기의 한 쪽 또는 양 쪽 모두에 유기산이 도입되거나 도입되지 않은 화합물로 이루어진 것을 특징으로 하는 상기 수지 조성물.The method of claim 1, wherein the polydimethylsiloxane is The resin composition comprising a compound having a basic structure and having an organic acid introduced or not introduced into one or both of its side chains or sock short groups. 스티렌계 단량체에 폴리부타디엔 고무를 용해시킨 후, 이 고무용액내에 항온 저장 탱크에 저장되어 있던 폴리디메틸실록산을 정량펌프를 통하여 정확한 양으로 투입하고, 부가되는 가소제(mineral oil), 열안정제 등과 균일하게 혼합하는 공정 ; 이와 같이 제조된 고무용액을 중합반응조로 이동시켜 100 내지 140℃의 온도에서 중합시키는 공정 ; 및 폴리머내에 잔류하는 단량체 및 용제를 제거하기 위한 탈휘발공정 ; 으로 구성되는 것을 특징으로 하는 제1항의 내마모성이 우수한 고무변성 스티렌계 수지 조성물의 제조방법.After dissolving the polybutadiene rubber in the styrene monomer, the polydimethylsiloxane stored in the constant temperature storage tank in the rubber solution is introduced in the correct amount through a metering pump, and uniformly added to the added plasticizer (mineral oil) and thermal stabilizer. Mixing process; Moving the rubber solution thus prepared to a polymerization reactor to polymerize at a temperature of 100 to 140 ° C; And a devolatilization step for removing the monomer and the solvent remaining in the polymer; A method for producing a rubber-modified styrene resin composition having excellent wear resistance according to claim 1. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019930001347A 1993-02-01 1993-02-01 Rubber-modified styrene resin composition with excellent abrasion-resistance and the process thereof KR960007313B1 (en)

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KR1019930001347A KR960007313B1 (en) 1993-02-01 1993-02-01 Rubber-modified styrene resin composition with excellent abrasion-resistance and the process thereof

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KR960007313B1 KR960007313B1 (en) 1996-05-30

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8426515B2 (en) 2010-12-24 2013-04-23 Korea Kumho Petrochemical Co., Ltd. Master batch elastometer containing organically modified silica and method of preparing the same

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100515453B1 (en) 2004-02-06 2005-09-20 금호석유화학 주식회사 Method for the preparation of copolymers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8426515B2 (en) 2010-12-24 2013-04-23 Korea Kumho Petrochemical Co., Ltd. Master batch elastometer containing organically modified silica and method of preparing the same

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