KR840003657A - α-메틸스티렌 공중합체의 제조방법 - Google Patents

α-메틸스티렌 공중합체의 제조방법 Download PDF

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KR840003657A
KR840003657A KR1019830000720A KR830000720A KR840003657A KR 840003657 A KR840003657 A KR 840003657A KR 1019830000720 A KR1019830000720 A KR 1019830000720A KR 830000720 A KR830000720 A KR 830000720A KR 840003657 A KR840003657 A KR 840003657A
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general formula
copolymer
monomer
reaction zone
styrene
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KR1019830000720A
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KR910005659B1 (ko
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브러스 프리디 듀안
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리챠드 고든 워터맨
더 다우 케미칼 캄파니
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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
    • 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
    • C08F212/12—Monomers containing a branched unsaturated aliphatic radical or a ring substituted by an alkyl radical

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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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

내용 없음

Description

α-메틸스티렌 공중합체의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (10)

  1. (A) 70내지 120℃의 온도에서 스티렌의 음이온 중합에 적합한 반응대역을 가지며, 반응매질이 충분히 혼합되고 반응대역의 상부 말단과 하부 말단 사이에의 전방향으로 이동될 수 있는 격렬하게 혼합이 행해지는 연속식 재순환 반응기 조립체를 사용하고, (B) 공중합의 개시를 위한 스티렌에 가용성인 유효량의 유기금속 음이온 촉매를 사용하며, (C) 생성되는 공중합체중 공중합전(IA)의 함량이 10 내지 50중량%가 되는데 적합한 비율로 일반식(IA)와(IB)단량체들의 혼합물을 단량체 혼합물 : 용매의 비율이 1 : 8 내지 8 : 1인 단량체 혼합물의 용매중 용액으로서 반응대역에 공급시키며, (D) 반응대역중 반응매질을 일반적으로 균일조건으로 유지시키며, (E) 반응대역에 있어서의 반응매질중 미반응 일반식(IB) 단량체의 농도를 상기 반응매질에 첨가시킨 일반식(IB)단량체의 10중량 미만으로 유지시키며, (F) 반응대역에 있어서의 반응매질 중 완전 공중합이 행해진 공중합체의 농도를 30 내지 70중량% 범위로 유지시키며, (G) 반응기로부터 공중합체 용액을 유출액으로서 회수하고, 열안정성을 갖는 균일한 공중합체를 회수하는 공정들로 이루어짐을 특징으로 하는 일반식(IA)로 표시되는 공중합체에 대하여 10 내지 50중량%의 1종 이상의 단량체와 잔량의 일반식(IB)로 표시되는 1종 이상의 다른 단량체로 조성되는 α-메틸스티렌 공중합체의 제조방법.
    상기식들에 있어서, Ar는 탄소원자수 6 내지 10개를 갖는 방향족기이다.
  2. 제1항에 있어서, 단량성 혼합물을 반응기내에 충만하여 이들에 공중합된 10 내지 40중량%의 1종 이상의 일반식(IA) 단량체를 함유하는 공중합체를 부여하는 방법.
  3. 제1항에 있어서, 일반식(IA) 단량체가 α-메틸스티렌인 방법.
  4. 제1항에 있어서, 일반식(IB) 단량체가 스티렌인 방법.
  5. 제1항에 있어서, 일반식(IB) 단량체가 p-이소프로페닐톨루엔인 방법.
  6. 제1항에 있어서, 단량체가 α-메틸스티렌과 스티렌인 방법.
  7. 제1항에 있어서, 개시제가 n-부틸리티윰인 방법.
  8. 제6항에 있어서, 에틸벤젠을 용매로써 사용하는 방법.
  9. 제6항에 있어서, 크실렌, 미시틸렌과 이들 혼합물을 용매로써 사용하는 방법.
  10. 제1항에 있어서, 과잉의 일반식(IA) 단량체를 용매로써 사용하는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019830000720A 1982-02-22 1983-02-22 α-메틸스티렌 공중합체의 제조방법 KR910005659B1 (ko)

Applications Claiming Priority (3)

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US35077382A 1982-02-22 1982-02-22
US350773 1982-02-22
US350,773 1994-12-07

Publications (2)

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KR840003657A true KR840003657A (ko) 1984-09-15
KR910005659B1 KR910005659B1 (ko) 1991-08-01

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Country Status (6)

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EP (1) EP0087165B1 (ko)
JP (1) JPH0610219B2 (ko)
KR (1) KR910005659B1 (ko)
AU (1) AU563593B2 (ko)
CA (1) CA1196148A (ko)
DE (1) DE3364823D1 (ko)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4647632A (en) * 1982-02-22 1987-03-03 The Dow Chemical Company Production of copolymers of α-methylstyrene
DE3481426D1 (de) * 1983-08-22 1990-04-05 Dow Chemical Co Verfahren zur herstellung von copolymerisaten aus isopropenylaromatischen und vinylaromatischen monomeren.
JPS60238347A (ja) * 1984-05-14 1985-11-27 Mitsui Toatsu Chem Inc 熱分解性樹脂組成物
US4680211A (en) * 1985-07-25 1987-07-14 The Dow Chemical Company Recording disks
US4748222A (en) * 1986-03-31 1988-05-31 The Dow Chemical Company Preparation of highly pure alpha-methylstyrene polymer
US4883846A (en) * 1987-04-20 1989-11-28 The Dow Chemical Company Anionic polymerization of purified monovinylidene aromatic monomer feed stock
US4904730A (en) * 1988-04-08 1990-02-27 The Dow Chemical Company Rubber-modified resin blends
JPH0641241A (ja) * 1992-12-14 1994-02-15 Mitsui Toatsu Chem Inc 熱分解性スチレン系共重合体
DE4309057A1 (de) * 1993-03-20 1994-09-22 Buna Ag Polymerisationsverfahren für thermoplastische Styrenpolymere mit verbesserter Wärmeabführung
CA2542827C (en) * 2003-11-06 2012-03-13 Asahi Kasei Chemicals Corporation Styrene copolymer and process for producing the same
JP4925391B2 (ja) * 2004-08-13 2012-04-25 旭化成ケミカルズ株式会社 耐熱性スチレン系樹脂組成物
JP2006306901A (ja) * 2005-04-26 2006-11-09 Asahi Kasei Chemicals Corp 耐熱性に優れたスチレン系樹脂組成物
JP2006306902A (ja) * 2005-04-26 2006-11-09 Asahi Kasei Chemicals Corp 耐熱スチレン系樹脂組成物
JP2006312687A (ja) * 2005-05-09 2006-11-16 Asahi Kasei Chemicals Corp 樹脂組成物
CA2649314C (en) * 2006-04-17 2012-01-03 Asahi Kasei Chemicals Corporation Method for producing .alpha.-methylstyrene and heat-resistant styrene-based copolymer using the .alpha.-methylstyrene
JP5427357B2 (ja) * 2008-01-29 2014-02-26 旭化成ケミカルズ株式会社 耐熱性スチレン系樹脂組成物及びその製造方法
JP5368712B2 (ja) * 2008-01-29 2013-12-18 旭化成ケミカルズ株式会社 耐候耐熱性スチレン系樹脂組成物及びその製造方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3035033A (en) * 1957-12-12 1962-05-15 Dow Chemical Co Molding grade copolymers and process for preparing the same
DE2056197B2 (de) * 1970-11-16 1973-04-26 Badische Anilin & Soda Fabrik AG, 6700 Ludwigshafen Verfahren zur herstellung von mischpolymerisaten aus styrol und alphamethylstyrol

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JPS58189209A (ja) 1983-11-04
AU563593B2 (en) 1987-07-16
CA1196148A (en) 1985-10-29
JPH0610219B2 (ja) 1994-02-09
DE3364823D1 (en) 1986-09-04
AU1169383A (en) 1983-09-01
EP0087165B1 (en) 1986-07-30
EP0087165A1 (en) 1983-08-31
KR910005659B1 (ko) 1991-08-01

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