DE3664640D1 - Process for polymerizing cyclic diorganosiloxane oligomers in a supraatmospheric-pressure fluid which is gaseous at normal pressure - Google Patents

Process for polymerizing cyclic diorganosiloxane oligomers in a supraatmospheric-pressure fluid which is gaseous at normal pressure

Info

Publication number
DE3664640D1
DE3664640D1 DE8686420236T DE3664640T DE3664640D1 DE 3664640 D1 DE3664640 D1 DE 3664640D1 DE 8686420236 T DE8686420236 T DE 8686420236T DE 3664640 T DE3664640 T DE 3664640T DE 3664640 D1 DE3664640 D1 DE 3664640D1
Authority
DE
Germany
Prior art keywords
pressure
supraatmospheric
fluid
gaseous
polydiorganosiloxane
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE8686420236T
Other languages
German (de)
English (en)
Inventor
Jean-Jacques Lebrun
Ferenc Sagi
Meyer Soria
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rhodia Chimie SAS
Original Assignee
Rhone Poulenc Chimie SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rhone Poulenc Chimie SA filed Critical Rhone Poulenc Chimie SA
Application granted granted Critical
Publication of DE3664640D1 publication Critical patent/DE3664640D1/de
Expired legal-status Critical Current

Links

Classifications

    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Silicon Polymers (AREA)
DE8686420236T 1985-09-25 1986-09-18 Process for polymerizing cyclic diorganosiloxane oligomers in a supraatmospheric-pressure fluid which is gaseous at normal pressure Expired DE3664640D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8514404A FR2588561B1 (fr) 1985-09-25 1985-09-25 Procede de polymerisation d'oligomeres de polydiorganosiloxanes dans un fluide a pression supra-atmospherique qui est un gaz dans les conditions normales

Publications (1)

Publication Number Publication Date
DE3664640D1 true DE3664640D1 (en) 1989-08-31

Family

ID=9323349

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686420236T Expired DE3664640D1 (en) 1985-09-25 1986-09-18 Process for polymerizing cyclic diorganosiloxane oligomers in a supraatmospheric-pressure fluid which is gaseous at normal pressure

Country Status (5)

Country Link
EP (1) EP0221824B1 (show.php)
JP (1) JPS6289731A (show.php)
AT (1) ATE44970T1 (show.php)
DE (1) DE3664640D1 (show.php)
FR (1) FR2588561B1 (show.php)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03203930A (ja) * 1989-12-28 1991-09-05 Shin Etsu Chem Co Ltd シリコーンオイルの製造方法
JPH03202102A (ja) * 1989-12-28 1991-09-03 Toray Dow Corning Silicone Co Ltd オルガノポリシロキサン成形物中のシロキサンオリゴマー量の減少方法
US5688879A (en) * 1992-03-27 1997-11-18 The University Of North Carolina At Chapel Hill Method of making fluoropolymers
EP1172383B1 (en) * 1992-03-27 2008-04-16 University Of North Carolina At Chapel Hill Method of making fluoropolymers
EP1866376B1 (en) 2005-04-06 2015-05-20 Dow Corning Corporation Organosiloxane compositions
WO2007011057A1 (ja) 2005-07-19 2007-01-25 Dow Corning Toray Co., Ltd. ポリシロキサンおよびその製造方法
GB0905206D0 (en) * 2009-03-26 2009-05-13 Dow Corning Preparation of organosiloxane polymers
GB0905205D0 (en) 2009-03-26 2009-05-13 Dow Corning Preparation of organosiloxane polymer
GB0905204D0 (en) 2009-03-26 2009-05-13 Dow Corning Preparation of organosiloxane polymers
CN103003333A (zh) * 2010-07-22 2013-03-27 道康宁公司 用于制备聚硅氧烷乳液的方法
KR101501015B1 (ko) * 2012-12-13 2015-03-10 한국생산기술연구원 이산화탄소 용매를 이용한 폴리실세스퀴옥산의 제조방법 및 이를 이용하여 제조된 폴리실세스퀴옥산.
CN121100150A (zh) 2023-05-25 2025-12-09 陶氏环球技术有限责任公司 硅氧烷聚合物的聚合

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2759007A (en) * 1953-06-10 1956-08-14 Union Carbide & Carbon Corp High pressure polymerization of dialkylcyclosiloxanes in the presence of a basic catalyst
US2759006A (en) * 1953-06-10 1956-08-14 Union Carbide & Carbon Corp High pressure polymerization of alkylcyclotrisiloxanes
US2759008A (en) * 1953-06-10 1956-08-14 Union Carbide & Carbon Corp High pressure polymerization of alkylcyclosiloxanes in the presence of an acid catalyst
JPS4943399A (show.php) * 1972-08-31 1974-04-24
JPS5853663B2 (ja) * 1978-10-06 1983-11-30 株式会社クラレ 雲母充填成形用樹脂組成物

Also Published As

Publication number Publication date
JPS6289731A (ja) 1987-04-24
EP0221824A1 (fr) 1987-05-13
JPS6314013B2 (show.php) 1988-03-29
ATE44970T1 (de) 1989-08-15
EP0221824B1 (fr) 1989-07-26
FR2588561B1 (fr) 1987-12-11
FR2588561A1 (fr) 1987-04-17

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Legal Events

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8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee