KR960706514A - 저분자량의 그라프트된 폴리올레핀을 제조하기 위한 장치 및 방법(apparatus and process for the production of low molecular weight grafted polyolefins) - Google Patents

저분자량의 그라프트된 폴리올레핀을 제조하기 위한 장치 및 방법(apparatus and process for the production of low molecular weight grafted polyolefins)

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Publication number
KR960706514A
KR960706514A KR1019960703174A KR19960703174A KR960706514A KR 960706514 A KR960706514 A KR 960706514A KR 1019960703174 A KR1019960703174 A KR 1019960703174A KR 19960703174 A KR19960703174 A KR 19960703174A KR 960706514 A KR960706514 A KR 960706514A
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South Korea
Prior art keywords
acid
pressure
weight
polyolefin
chamber
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KR1019960703174A
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English (en)
Inventor
리챠드 케이. 쥬니어 스튜어트
랜달 알. 포드
Original Assignee
헤리 제이. 그윈넬
이스트만 케미칼 캄파니
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Application filed by 헤리 제이. 그윈넬, 이스트만 케미칼 캄파니 filed Critical 헤리 제이. 그윈넬
Publication of KR960706514A publication Critical patent/KR960706514A/ko

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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
    • C08F255/00—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00
    • C08F255/02—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00 on to polymers of olefins having two or three carbon atoms
    • 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
    • C08F255/00—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • 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
    • C08F222/00—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 a carboxyl radical and containing at least one other carboxyl radical in the molecule; Salts, anhydrides, esters, amides, imides, or nitriles thereof
    • C08F222/04—Anhydrides, e.g. cyclic anhydrides
    • C08F222/06—Maleic anhydride
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92009—Measured parameter
    • B29C2948/92019—Pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92009—Measured parameter
    • B29C2948/92209—Temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92323—Location or phase of measurement
    • B29C2948/92361—Extrusion unit
    • B29C2948/9238—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/924—Barrel or housing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92514—Pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92895—Barrel or housing

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

Abstract

승압의 축 압출기에서 반응성 공정에 의해 용융 폴리올레핀을 그라프트시키는, 저분자량의 그라프트된 폴리올레핀을 제조하는 방법이 개시되어 있다. 용융 폴리올레핀은 낮은 점도를 가지며, 축 주위로 쉽게 유동하여, 압출기의 배출 말단의 압력 조절 장치의 사용에 의해 축 압출기 장치에서 압력이 유지된다.

Description

저분자량의 그라프트된 폴리올레핀을 제조하기 위한 장치 및 방법(APPARATUS AND PROCESS FOR THE PRODUCTION OF LOW MOLECULAR WEIGHT GRAFTED POLYOLEFINS)
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (20)

  1. (a) 배출구 압력 조절 장치가 달린 압출기에서 유리 라디칼 개시제 0.1 내지 20중량%, 에틸렌형으로 불포화된 폴리카복실산, 그의 무수물를 또는 에스테르 0.1 내지 30중량%, 및 C3-C10의 올레핀 93중량% 이상을 함유하는 잔여량의 폴리올레핀을 160 내지 300℃의 승온(상기 승온은 하나 이상의 성분의 대기압하에서의 비점보다 높아서 상기 압출기에 30psig 이상의 승압을 생성시킴)에서 혼합시키고, (b) 190℃에서 3,000cP 미만의 점도를 갖는, 생성된 용융 그라프트된 폴리올레핀을 압출시키는 것을 포함하는, 저분자량의 크라프트된 폴리올레핀을 제조하는 방법.
  2. 제1항에 있어서, 상기 승온이 170 내지 280℃인 방법.
  3. 제1항에 있어서, 상기 유기 라디칼 개시제의 상기 농도가 5 내지 15중량%인 방법.
  4. 제1항에 있어서, 상기 유기 라디칼 개시제가 디-t-부틸 퍼옥사이드, t-부틸 하이드로퍼옥사이드, 쿠멘 하이드로퍼옥사이드, p-메탄 퍼옥사이드, 2,5-디메틸-2,5-디-t-부틸 퍼옥시헥센, 및 p-메탄 하이드로 퍼옥사이드로 구성된 그룹에서 선택되는 과산화물인 방법.
  5. 제4항에 있어서, 상기 과산화물이 용매 용액으로 공급되는 방법.
  6. 제1항에 있어서, 상기 에틸렌형으로 불포화된 폴리카복실산, 그의 무수물 또는 에스테르가 1 내지 25중량%의 농도로 존재하는 방법.
  7. 제1항에 있어서, 상기 에틸렌형으로 불포화된 폴리카복실산, 그의 무수물, 에스테르가 말레산, 시트라콘산, 푸마르산, 2-메틸말레산, 2-클로로말레산, 2-메톡시카보닐말레산, 2,3-디메틸말레산 및 2,3-디클로로말레산, 이들의 무수물 또는 에스테르로 구성된 그룹에서 선택된 산, 그의 무수물 또는 에스테르인 방법.
  8. 제1항에 있어서, 상기 폴리올레핀의 농도가 70 내지 98중량%인 방법.
  9. 제1항에 있어서, 상기 폴리올레핀이 에틸렌 공단량체 7중량% 미만을 함유하는 폴리프로필렌인 방법.
  10. 제9항에 있어서, 상기 폴리프로필렌이 호모폴리프로필렌인 방법.
  11. 제1항에 있어서, 상기 용융 그라프트된 폴리올레핀이 190℃에서 2,000cP 미만의 점도를 갖는 방법.
  12. 제1항에 있어서, 상기 압력이 75 내지 200psig인 방법.
  13. 제1항에 있어서, 상기 그라프트된 폴리올레핀이 말레산 무수물로 5중량% 보다 많이 그라프트되어 28보다 큰 산가를 갖는 방법.
  14. 축 공급 수단, 챔버의 제1말단의 공급개구, 및 상기 챔버내의 압력을 30 내지 400psig로 유지시키는 수단 및 용융된 중합체를 챔버에서 배출시키는 수단을 갖는, 상기 챔버의 제2말단의 압력 조절 밸브를 함유한 가열되는 연장 챔버를 가지며, 이때 상기 축 수단이 상기 공급개구로부터 상기 압력 조절 밸브로 물질을 공급하도록 작동하고, 상기 챔버가 상기 챔버를 따라 그 안으로 물질을 주입하기 위한 다수의 주입구를 갖는 축 압출기를 포함하는 장치.
  15. 제14항에 있어서, 상기 축 공급 수단이 이축(twin screw)인 장치.
  16. 제14항에 있어서, 입상의 중합체로 충진된 공급 호퍼(hopper)에 부착된 보정 운반 수단에 의해 상기 공급개구에 입상의 중합체가 제공되는 장치.
  17. 제14항에 있어서, 압력 표시기가 상기 제2말단에 위치하는 장치.
  18. 제14항에 있어서, 상기 압력 조절 밸브가, 압출기에 부착된 압력 변환기 전체의 압력을 모니터하는 조절기로부터 피드백 루프(feedback loop)에 의해 작동되어, 상기 압력 조절 밸브 전의 압력을 측정하는 장치.
  19. 제14항에 있어서, 상기 용융 중합체가 배출 다이를 거쳐 상기 제2말단으로부터 배출되는 장치.
  20. 제14항에 있어서, 상기 주입구에 주입 펌프 라인으로부터 고온 물질로서 또는 불활성 용매내 용액으로 물질이 제공되는 장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개되는 것임.
KR1019960703174A 1993-12-16 1994-12-07 저분자량의 그라프트된 폴리올레핀을 제조하기 위한 장치 및 방법(apparatus and process for the production of low molecular weight grafted polyolefins) KR960706514A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/168,549 US6187870B1 (en) 1993-12-16 1993-12-16 Apparatus and process for the production of low molecular weight grafted polyolefins
US168,549 1993-12-16
PCT/US1994/013988 WO1995016717A1 (en) 1993-12-16 1994-12-07 Apparatus and process for the production of low molecular weight grafted polyolefins

Publications (1)

Publication Number Publication Date
KR960706514A true KR960706514A (ko) 1996-12-09

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KR1019960703174A KR960706514A (ko) 1993-12-16 1994-12-07 저분자량의 그라프트된 폴리올레핀을 제조하기 위한 장치 및 방법(apparatus and process for the production of low molecular weight grafted polyolefins)

Country Status (8)

Country Link
US (1) US6187870B1 (ko)
EP (1) EP0734401B1 (ko)
JP (1) JPH09506657A (ko)
KR (1) KR960706514A (ko)
AT (1) ATE159739T1 (ko)
CA (1) CA2177619A1 (ko)
DE (1) DE69406554T2 (ko)
WO (1) WO1995016717A1 (ko)

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Also Published As

Publication number Publication date
US6187870B1 (en) 2001-02-13
JPH09506657A (ja) 1997-06-30
ATE159739T1 (de) 1997-11-15
EP0734401A1 (en) 1996-10-02
DE69406554T2 (de) 1998-06-18
CA2177619A1 (en) 1995-06-22
EP0734401B1 (en) 1997-10-29
DE69406554D1 (de) 1997-12-04
WO1995016717A1 (en) 1995-06-22

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