KR840008377A - 충진재 존재하의 폴리디오가노실 옥산올리고머의 중합방법 - Google Patents

충진재 존재하의 폴리디오가노실 옥산올리고머의 중합방법 Download PDF

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KR840008377A
KR840008377A KR1019840001280A KR840001280A KR840008377A KR 840008377 A KR840008377 A KR 840008377A KR 1019840001280 A KR1019840001280 A KR 1019840001280A KR 840001280 A KR840001280 A KR 840001280A KR 840008377 A KR840008377 A KR 840008377A
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weight
filler
silicone polymer
silicone
average
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KR1019840001280A
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KR920004606B1 (ko
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로버트 팔렌더 제임스 (외 1)
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원본미기재
다우 코닝 코포레이션
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C08G77/04—Polysiloxanes
    • C08G77/06—Preparatory processes

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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)
  • Compositions Of Macromolecular Compounds (AREA)
  • Silicon Polymers (AREA)

Abstract

내용 없음.

Description

충진재 존재하의 폴리디오가노실 옥산올리고머의 중합방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (6)

  1. (A) 폴리디오가느실옥산(a), 폴리디오가노시클로실옥산(b) 및 그 혼합물 중에서 선택한 올리고머 100중량부(i) (이성분(i)에는 폴리디오가노실옥산(c), 폴리디오가노실옥산(d) 또는 이의 혼합물이 임의로 존재할 수 있다)를 산성 또는 중성의 보강 충진재 2 내지 70중량부와 혼합하여 페이스트형 물질을 수득하고 (B) 70℃ 내지 150℃ 온도의 밀폐 시스템에서 (1) 성분 백만중량부당 트리플루오로메탄설폰산 400 내지 4000 중량부를 사용하여 (A)의 중합반응을 개시시킨 후 (c) 상기 (B) 단계의 생성물을 교반하고 20℃ 내지 100℃의 온도로 조정한 후 바람직한 분자량이 될 때까지 중합시킨 다음 (D) 루이스 염기를 가하여 트리플루오로메탄설폰산을 비활성화시키고 비-크레이프 실리콘 중합체-충진재 혼합물을 생성시킴을 특징으로 하여, 충진재 존재하에 올리고머를 중합시키는 방법.
    상기식에서, R은 메틸, 에틸, 프로필, 페닐, 비닐, 알릴 및 3,3,3-트리플루오로프로필중에서 선택한 라디칼이고, R′는 탄소수 6이하의 일가 탄화수소라디칼이고, x는 3 내지 50사이의 평균치이고, y는 3 내지 10사이의 평균치이고, z는 0 내지 50사이의 평균치이다.
  2. 제1항에 있어서, 보강 충진재가 훈증 실리카이고, 생성된 단계(A)혼합물을 밀폐 시스템내에서 100℃ 내지 200℃의 온도로 유리수가 제거되기에 충분한 시간동안 가열하여 시스템에서 유리수를 제거한 후 단계(B)를 수행하고, 필요하다면 트리플루오로메탄설폰산을 가하기 전이 온도를 100℃ 내지 150℃로 조정하는 방법.
  3. 제1항이 있어서, 실리콘 중합체-충진재 혼합물을 실리콘 탄성중합체 경화에 적절한 유기 과산화물과 더 혼합하여 경화가능한 조성물을 수득하는 방법.
  4. 제2항에 있어서, 실리콘 중합체-충진재 혼합물을 실리콘 탄성중합체 경화에 적절한 유기 과산화물과 더 혼합하여 경화가능한 조성물을 수득하는 방법.
  5. 제1항에 있어서, R 및 (plus) R'의 0.01 내지 2.0퍼센트가 비닐 라디칼인 방법.
  6. 제5항에 있어서, 실리콘 중합체-충진재 혼합물을, (i) 성분의 비닐 라디칼당 최소한 1개의 실리콘-결합된 수소원자를 제공하는 데 충분한 양의 오가노하이드로겐실옥산(이것은 분자당 평균 최소한 3개의 실리콘-결합된 수소원자를 가지면서 메털-하이드로겐실옥산, 디에틸실옥산, 디에틸하이드로겐실옥시, 트리메틸실옥시 및 SiO2유니트에서 선택한 유니트를 함유한다.) 및 실리콘 중합체-충진재 혼합물내의 실리콘 중합체 백만중량부당 최소한 1중량부의 플라티늄을 제공하는데 충분한 양의 플라티늄 촉매를 함유한 경화제와 더 혼합시키는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019840001280A 1983-03-14 1984-03-14 충진재 존재하의 폴리디오가노실옥산 올리고머의 중합방법 KR920004606B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US06/474,916 US4448927A (en) 1983-03-14 1983-03-14 Method of polymerizing oligomers of polydiorganosiloxane in the presence of filler
US474,916 1983-03-14
US474916 1983-03-14

Publications (2)

Publication Number Publication Date
KR840008377A true KR840008377A (ko) 1984-12-14
KR920004606B1 KR920004606B1 (ko) 1992-06-11

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KR1019840001280A KR920004606B1 (ko) 1983-03-14 1984-03-14 충진재 존재하의 폴리디오가노실옥산 올리고머의 중합방법

Country Status (10)

Country Link
US (1) US4448927A (ko)
EP (1) EP0120645B1 (ko)
JP (1) JPS59176322A (ko)
KR (1) KR920004606B1 (ko)
AU (1) AU565015B2 (ko)
BR (1) BR8401138A (ko)
CA (1) CA1250071A (ko)
DE (1) DE3480346D1 (ko)
NZ (1) NZ207212A (ko)
ZA (1) ZA841175B (ko)

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AU565015B2 (en) 1987-09-03
EP0120645A2 (en) 1984-10-03
EP0120645B1 (en) 1989-11-02
CA1250071A (en) 1989-02-14
ZA841175B (en) 1985-04-24
EP0120645A3 (en) 1986-03-05
JPS59176322A (ja) 1984-10-05
DE3480346D1 (en) 1989-12-07
US4448927A (en) 1984-05-15
AU2556384A (en) 1984-09-20
BR8401138A (pt) 1984-10-23
KR920004606B1 (ko) 1992-06-11
JPS6325018B2 (ko) 1988-05-24
NZ207212A (en) 1986-08-08

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