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KR930004343A - 플루오르화 비닐리덴계 중합체의 제조방법 - Google Patents

플루오르화 비닐리덴계 중합체의 제조방법 Download PDF

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Publication number
KR930004343A
KR930004343A KR1019920013844A KR920013844A KR930004343A KR 930004343 A KR930004343 A KR 930004343A KR 1019920013844 A KR1019920013844 A KR 1019920013844A KR 920013844 A KR920013844 A KR 920013844A KR 930004343 A KR930004343 A KR 930004343A
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South Korea
Prior art keywords
vinylidene fluoride
polymerization
polymer
weight
monomer
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KR1019920013844A
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KR950001283B1 (ko
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히데끼 와까모리
후지오 스즈끼
카쯔오 호리에
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고다마 슌이치로우
구레하 카가꾸 고오교오 가부시끼가이샤
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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
    • C08F214/00—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 halogen
    • C08F214/18—Monomers containing fluorine
    • C08F214/22—Vinylidene fluoride
    • 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
    • C08F2/38—Polymerisation using regulators, e.g. chain terminating agents, e.g. telomerisation

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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

내용 없음.

Description

플루오르화 비닐리덴계 중합체의 제조방법
내용없음

Claims (8)

  1. 플루오르화 비닐리덴 단량체를 유용성 중합개시제의 존재하에 수성매체중에서 현탁 중합할 때, 6-플루오르화 프로필렌 및/또는 4-플루오르의 에틸렌으로부터 선택된 단량체를 공중합성분으로서 전체 단량체의 1∼5중량％사용하고, 중합 개시로부터 플루오르화 비닐리덴 단량체의 중합 전화율 10∼50％까지는 중합체의 대수점도〔n1〕이 1.3∼1.9㎗/g 으로 되도록 중합하고, 이 중합 전화율이 10∼50％에 도달한 시점에서 연쇄 이동제를 중합계에 첨가하여 중합을 계속하고, 최종적으로 얻어지는 중합체의 대수점도; 〔n1〕를 〔n1〕보다 0.3∼0.7㎗/g작으며, 또한 0.9∼1.3㎗/g 으로 되도록중합하는 것을 특징으로 하는 플루오르화 비닐리덴계 중합체의 제조방법.
  2. 제1항에 있어서, 중합 개시로부터 플루오르화 비닐리덴 단량체의 중합전화율 210∼45％까지는 중합체의 대수점도 〔nχ〕이 1.3∼1.9㎗으로 되도록 중합하고, 이 중합전화율이 20∼45％에 도달한 시점에서 연쇄 이동제를 중합계에 첨가하여 중합을 계속하는 것을 특징으로 하는 플루오르화 비닐리덴계 중합체의 제조방법.
  3. 제1항에 있어서, 최종적으로 얻어지는 중합체의 대수점도 〔n2〕를 〔n1〕보다 0.4∼0.5㎗/g 작아지도록 중합하는 것을 특징으로 하는 플루오르화 비닐리덴계 중합체의 제조방법.
  4. 제1항에 있어서, 연쇄이동체가 초산에틸인 것을 특징으로 하는 플루오르화 비닐리덴계 중합체의 제조방법.
  5. 플루오르화 비닐리덴 구성단위 함량 99.5∼96중량％와 6-플루오르화 프로필렌 및/또는 4-플루오르화 에틸렌으로부터 선택되는 단량체 구성 단위 함량 0.5∼4중량％로 이루어지며, 대수점도가 0.9∼1.3㎗/g이며, 또한 중량 평균 분자량과 수평균 분자량의 비(Mw/Mn)으로 표시한 분자량 분포가 2.2∼2.8인 플루오르화 비닐리덴계 중합체.
  6. 제5항에 있어서, 플루오르화 비닐리덴 구성단위 함량 99.0∼97중량％와 6-플루오르화 프로필렌 및/또는 4-플루오르화 에틸렌으로부터 선택되는 단량체 구성단위 함량 1.0∼3중량％로 이루어지며, 중량 평균 분자량과수평균 분자량의 비(Mw/Mn)으로 표시한 분자량 분포가 2.3∼2.6인 것을 특징으로 하는 플루오르화 비닐리덴계 중합체.
  7. 제5항에 있어서, 결정융점이 163∼176℃이고, 또한 구정 사이즈 1∼30㎛인 플루오르화 비닐리덴계 중합체.
  8. 제5항에 있어서, 결정융점이 168∼176℃이고, 또한 구정 사이즈 5∼25㎛인 플루오르화 비닐리덴계 중합체.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019920013844A 1991-08-01 1992-07-31 플루오르화 비닐리덴계 중합체의 제조방법 KR950001283B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP91-216265 1991-08-01
JP21626591 1991-08-01

Publications (2)

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KR930004343A true KR930004343A (ko) 1993-03-22
KR950001283B1 KR950001283B1 (ko) 1995-02-15

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US (2) US5283302A (ko)
EP (1) EP0526216B1 (ko)
KR (1) KR950001283B1 (ko)
DE (1) DE69207105T2 (ko)

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Publication number Publication date
EP0526216B1 (en) 1995-12-27
EP0526216A3 (en) 1993-04-07
EP0526216A2 (en) 1993-02-03
KR950001283B1 (ko) 1995-02-15
DE69207105T2 (de) 1996-05-15
US5344904A (en) 1994-09-06
DE69207105D1 (de) 1996-02-08
US5283302A (en) 1994-02-01

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