KR960022780A - Manufacturing method of thermoplastic resin composition excellent in matt, weather resistance and impact resistance - Google Patents

Manufacturing method of thermoplastic resin composition excellent in matt, weather resistance and impact resistance Download PDF

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Publication number
KR960022780A
KR960022780A KR1019940039400A KR19940039400A KR960022780A KR 960022780 A KR960022780 A KR 960022780A KR 1019940039400 A KR1019940039400 A KR 1019940039400A KR 19940039400 A KR19940039400 A KR 19940039400A KR 960022780 A KR960022780 A KR 960022780A
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South Korea
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latex
resin composition
thermoplastic resin
rubbery
weather resistance
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KR1019940039400A
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Korean (ko)
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KR100339159B1 (en
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김봉관
박봉현
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성재갑
주식회사 Lg 화학
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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
    • C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
    • C08L51/04—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to rubbers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L21/00—Compositions of unspecified rubbers
    • C08L21/02—Latex
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • C08L33/04—Homopolymers or copolymers of esters
    • C08L33/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
    • C08L33/10—Homopolymers or copolymers of methacrylic acid esters
    • C08L33/12—Homopolymers or copolymers of methyl methacrylate

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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)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

본 발명은 무광, 내후성 및 내충격성이 우수한 열가소성 수지 조성물의 제조방법에 관한 것으로, (가) 고무질 원료 단량체에 가교제, 중합개세제 및 이온교환수를 투입하고 중합반응시켜서 씨이드(seed)를 형성하고; (나) 씨이드에 고무질 원료 단량체, 유화제, 가교제, 반응개시제 및 이온교환수를 연속적으로 투입하면서 반응시켜 코어 라텍스를 형성한 후; (다) 코어 라텍스에 고무질 원료 단량체, 과량의 유화제, 가교제, 반응개시제 및 이온교환수를 일시에 투입하고 반응시켜서 소구경 입자를 형성한 후 전체 고무질의 가교도가 60~95% 범위가 되도록 한 다음; (라) 고무질 라텍스에 안정성을 부여하기 위하여 부가적 유화제를 투입한 다음; (마) 고무질 라텍스에 방향족 비닐 단량체, 비닐시안화 단량체, 메타크릴산 알킬 에스테르 단량체, 분자량조절제, 유화제, 반응개시제 및 이온교환수를 투입하여 분자량 및 그라프트율을 조절하는 그라프트 반응을 시켜 라텍스를 제조한 다음; (바) 라텍스에 응집제를 투입하는 응집공정, 탈수, 건조공정을 거쳐 백색분말을 얻은 다음; (사) (바)단계에서 얻어진 분말과 내후성이 우수한 폴리메틸메타크릴레이트 수지, 열안정제, 활제 등을 첨가함을 특징으로 한다.The present invention relates to a method for preparing a thermoplastic resin composition having excellent matt, weather resistance and impact resistance. (A) A crosslinking agent, a polymerization initiator and ion-exchanged water are added to a rubbery raw material monomer to polymerize and form a seed. and; (B) reacting the seed with a rubbery raw material monomer, an emulsifier, a crosslinking agent, a reaction initiator and ion-exchanged water continuously to form a core latex; (C) After adding rubber raw material monomer, excess emulsifier, crosslinking agent, reaction initiator and ion-exchanged water to core latex and reacting to form small-diameter particles, the crosslinking degree of all rubbery is in the range of 60 ~ 95%. ; (D) adding an additional emulsifier to impart stability to the rubbery latex; (E) Latex was prepared by graft reaction to control molecular weight and graft rate by adding aromatic vinyl monomer, vinyl cyanated monomer, methacrylic acid alkyl ester monomer, molecular weight regulator, emulsifier, reaction initiator and ion-exchanged water to rubber latex. next; (F) a white powder was obtained through a flocculation step, a dehydration and a drying step of introducing a flocculant into the latex; (G) It is characterized in that the powder obtained in step (f) and polymethyl methacrylate resin, heat stabilizer, lubricant, etc. which are excellent in weatherability are added.

Description

무광. 내후성 및 내충격성이 우수한 열가소성 수지 조성물의 제조방법Matte. Manufacturing method of thermoplastic resin composition excellent in weather resistance and impact resistance

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

Claims (7)

무광, 내후성 및 내충격성이 우수한 열가소성 수지 조성물의 제조방법에 있어서, (가) 고무질 원료 단량체에 가교제, 중합개세제 및 이온교환수르 투입하고 중합반응시켜서 입자경이 0.08㎛ 내지 0.3㎛인 씨이드 (seed)를 형성하고; (나) (가)단계에서 얻어진 씨이드에 고무질 원료 단량체, 유화제, 가교제, 반응개시제 및 이온교환수를 연속적으로 투입하면서 반응시켜 입자경이 0.2㎛ 내지 0.1㎛인 코어 라텍스를 형성한 다음; (다) (나)단계에서 얻어진 코어 라텍스에 고무질 원료 단량체, 과량의 유화제, 가교제, 반응개시제 및 이온교환수를 일시에 투입하고 반응시켜서 입자경이 0.05㎛ 내지 0.2㎛인 소구경 입자를 형성한 후 전체 고무질의가교도가 60~95%범위가 되도록 한 다음-; (라) (다)단계에서 얻어진 고무질 라텍스에 안정성을 부여하기 위하여 부가적 유화제를 투입한 다음; (마) (라)단계에서 얻어진 고무질 라텍스에 방향족 비닐 단량체, 비닐시안화 단량체, 메타크릴산 알킬 에스테르 단량체, 분자량조절제, 유화제, 반응개시제 및 이온교환수를 투입하여 분자량 및 그라프트율을 조절하는 그라프트 반응을 시켜 라텍스를 제조한 다음; (바) (마)단계에서 얻어진 라텍스에 응집제를 투입하는 응집공정, 탈수, 건조공정을 거쳐 백색분말을 얻은 다음; (사) (바)단계에서 얻어진 분말과 내후성이 우수한 폴리메틸메타크릴레이트 수지, 열안정제, 활제 등을 첨가함을 특징으로 하는 무광, 내후성 및 내충격성이 우수한 열가소성 수지 조성물의 제조방법.In the method for producing a thermoplastic resin composition having excellent matte, weather resistance and impact resistance, (A) a seed having a particle size of 0.08 μm to 0.3 μm by adding a crosslinking agent, a polymerization initiator and an ion exchange water to a rubbery raw material monomer and subjecting to polymerization. ); (B) continuously reacting the seed obtained in step (a) with a rubbery raw material monomer, an emulsifier, a crosslinking agent, a reaction initiator, and ion-exchanged water to form a core latex having a particle diameter of 0.2 µm to 0.1 µm; (C) After the rubber latex monomer, excess emulsifier, crosslinking agent, reaction initiator and ion-exchanged water are added to the core latex obtained in step (b) at a time and reacted to form small diameter particles having a particle diameter of 0.05 µm to 0.2 µm. Make the total rubber crosslinking in the range 60-95%; (D) adding an additional emulsifier to impart stability to the rubbery latex obtained in step (c); (G) Graft reaction to control molecular weight and graft rate by adding aromatic vinyl monomer, vinyl cyanide monomer, methacrylic acid alkyl ester monomer, molecular weight modifier, emulsifier, reaction initiator and ion exchanged water to the rubbery latex obtained in step (d). To prepare a latex; (F) a white powder was obtained through a coagulation step, a dehydration and a drying step of adding a coagulant to the latex obtained in step (e); (G) A method for producing a thermoplastic resin composition excellent in matt, weather resistance and impact resistance, comprising adding the powder obtained in step (f) and a polymethyl methacrylate resin having excellent weather resistance, a heat stabilizer, a lubricant, and the like. 제1항에 있어서, 고무질 원료 단량체로는 탄소수 1 내지 8의 아크린산 아킬 에스테르, 탄소수 1 내지 4의 메타크릴산 알킬 에스테르, 방향족 비닐 화합물, 비닐 시안화 화합물 및 무수 말레인산 중에서 선택된 1종 단독 또는 2종 이상의 혼합하여 사용함을 특징으로 하는 무광, 내후성 및 내충격성이 우수한 열가소성 수지 조성물의 제조방법.The rubber raw material monomer according to claim 1, wherein the rubber raw material monomer is one or two selected from acrylic acid alkyl esters having 1 to 8 carbon atoms, methacrylic acid alkyl esters having 1 to 4 carbon atoms, aromatic vinyl compounds, vinyl cyanide compounds and maleic anhydride. Method for producing a thermoplastic resin composition excellent in matt, weather resistance and impact resistance, characterized in that the mixture of more than one species. 제1항에 있어서, 유화제로서 나트륨도데실설페이트, 나트륨도데실벤젠설페이트, 나트륨옥타데실설페이트, 나트륨올레익설페이트, 칼륨도데실설페이트, 칼륨도데실벤젠설페이트, 나트륨 도데실 벤젠 설포네이트, 나트륨라우릴 설페이트, 나트륨 올레이트, 칼륨 도데실 벤젠 설포네이트, 칼륨 옥타데실 설페이트, 또는 칼륨올레이트를 사용함을 특징으로 하는 무광, 내후성 및 내충격성이 우수한 열가소성 수지 조성물의 제조방법.A sodium dodecyl sulfate, sodium dodecyl benzene sulfate, sodium octadecyl sulfate, sodium oleic sulfate, potassium dodecyl sulfate, potassium dodecyl benzene sulfate, sodium dodecyl benzene sulfonate, sodium lauryl as an emulsifier A method for producing a thermoplastic resin composition having excellent mattness, weather resistance, and impact resistance, using sulfate, sodium oleate, potassium dodecyl benzene sulfonate, potassium octadecyl sulfate, or potassium oleate. 제1항에 있어서, 가교제로서 1,3-부탄디올 디아크릴레이트, 1,3-부탄디올 디메타크릴레이트, 1,4-부탄디올 디아크릴레이트, 1,4-부탄디올 디메타크릴레이트, 디비닐벤젠, 트릴알킬시아누레이트, 테트라에틸렌 글리콜 디아크릴레이트, 테트라에틸렌 글리콜 디메타크릴레이트, 트릴아릴이소시아누레이트를 사용함을 특징으로 하는 무광, 내후성 및 내충격성이 우수한 열가소성 수지 조성물의 제조방법.The method of claim 1, wherein 1,3-butanediol diacrylate, 1,3-butanediol dimethacrylate, 1,4-butanediol diacrylate, 1,4-butanediol dimethacrylate, divinylbenzene, A method for producing a thermoplastic resin composition having excellent mattness, weather resistance and impact resistance, using trialkylalkyl cyanurate, tetraethylene glycol diacrylate, tetraethylene glycol dimethacrylate, and triarylaryl isocyanurate. 제1항에 있어서, (가) 및 (나)단계 반응 후 라텍스 입자경 분포의 표준편차는 5 내지 15%이고, (다)단계 반응 후 라텍스 입자경 분포의 표준편차는 20 내지 60%임을 특징으로 하는 무광, 내후성 및 내충격성이 우수한 열가소성 수지 조성물의 제조방법.The standard deviation of the latex particle size distribution after step (a) and (b) is 5 to 15%, and the standard deviation of the latex particle size distribution after step (c) is 20 to 60%. Method for producing a thermoplastic resin composition excellent in matt, weather resistance and impact resistance. 제1항에 있어서, 고무질의 가교도가 60 내지 95%인 고무질 라텍스를 사용함을 특징으로 하는 무광, 내후성 및 내충격성이 우수한 열가소성 수지 조성물의 제조방법.The method for producing a thermoplastic resin composition having excellent matteness, weather resistance and impact resistance according to claim 1, wherein a rubbery latex having a rubbery crosslinking degree of 60 to 95% is used. 제1항에 있어서, 폴리메틸메타크릴레이트는 분자량이 60,000 내지 150,000인 것을 사용함을 특징으로 하는 무광, 내후성 및 내충격성이 우수한 열가소성 수지 조성물의 제조방법.The method of claim 1, wherein the polymethyl methacrylate has a molecular weight of 60,000 to 150,000, and the method of producing a thermoplastic resin composition excellent in matt, weather resistance and impact resistance. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940039400A 1994-12-30 1994-12-30 Process for producing thermoplastic resin composition excellent in non-gloss, weather-resistance, and impact-resistance KR100339159B1 (en)

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