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 (OSRAM)
JP (1) JPS6289731A (OSRAM)
AT (1) ATE44970T1 (OSRAM)
DE (1) DE3664640D1 (OSRAM)
FR (1) FR2588561B1 (OSRAM)

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
JP3512796B2 (ja) * 1992-03-27 2004-03-31 ザ ユニバーシティ オブ ノース カロライナ アット チャペル ヒル フルオロポリマーの製造方法
EP1866376B1 (en) 2005-04-06 2015-05-20 Dow Corning Corporation Organosiloxane compositions
EP1905795A4 (en) 2005-07-19 2010-08-11 Dow Corning Toray Co Ltd POLYSILOXAN AND MANUFACTURING METHOD THEREFOR
GB0905204D0 (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
GB0905206D0 (en) * 2009-03-26 2009-05-13 Dow Corning Preparation of organosiloxane polymers
WO2012012529A1 (en) * 2010-07-22 2012-01-26 Dow Corning Corporation Process for making polysiloxane emulsions
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
US2759006A (en) * 1953-06-10 1956-08-14 Union Carbide & Carbon Corp High pressure polymerization of alkylcyclotrisiloxanes
US2759007A (en) * 1953-06-10 1956-08-14 Union Carbide & Carbon Corp High pressure polymerization of dialkylcyclosiloxanes in the presence of a basic catalyst
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 (OSRAM) * 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
FR2588561B1 (fr) 1987-12-11
JPS6314013B2 (OSRAM) 1988-03-29
EP0221824B1 (fr) 1989-07-26
FR2588561A1 (fr) 1987-04-17
ATE44970T1 (de) 1989-08-15
EP0221824A1 (fr) 1987-05-13

Similar Documents

Publication Publication Date Title
DE3664640D1 (en) Process for polymerizing cyclic diorganosiloxane oligomers in a supraatmospheric-pressure fluid which is gaseous at normal pressure
FI861880A0 (fi) Foerfarande foer framstaellning av kolvaetehaltiga vaetskor ur biomassa.
EP0376225A3 (en) Polymeric casing for fluid machines and pumps
FI98697B (fi) Menetelmä ja laite rakeisen kiinteän aineen saattamiseksi kosketukseen ylikriittisen virtaavan väliaineen kanssa
NO875046L (no) Fremgangsmaate for rask nedsettelse av trykket i kontinuerlig drevne hoeytrykkpolymerisasjonssystemer.
KR900003218A (ko) 폴리에스테르 예비중합체를 축압시켜 제조한 다공성 정제의 고상중합
JPS5371196A (en) Preparation of purified polyamide
ATE52280T1 (de) Einblasen von stoffen in fluessigkeiten hoher temperatur.
DK170286D0 (da) Fremgangsmaade til fremstilling af 4,4'-diacyl-biphenyler
SE8602973D0 (sv) Forfarande och anordning for aseptisk overforing av en vetskemengd fran ett utrymme till ett annat
GB1508646A (en) Shaped articles from synthetic polymers
Simha Polymer Melt and Glass: Thermodynamic and Dynamic Aspects.(Retroactive Coverage)
Vechet Gradual Plastic Deformation of Conical Junctions on Pressure Vessels Loaded by Internal Overpressure and by Radial Thermal Gradient
Yoo et al. Effects of Pre-Aging on the Creep Properties of Type 316 Stainless Steel
Besterci et al. Influence of External Factors on the Deformation of Al--Al 4 C 3 System
Semlyen Introduction to Cyclic Polymers
PAE et al. Pressure-dependence of glass transition temperature of elastomeric glasses[Interim Report]
JPS52103487A (en) Improved process for preparing acrylonitrile polymer melts
KR830005406A (ko) 폴리(폴리메틸렌 테레프탈아미드) 및 나일론 4섬유 방사방법
Schneider et al. Thermal Expansion of Refractory-Grade Bauxites at High Temperature
Movlaev et al. Thermal Stability of SKEPT Mixtures With Chloropolymers
KORUS Perfluoroether triazine elastomers[Final Report, 1 Mar. 1980- 28 Feb. 1981]
IT8982809A0 (it) Procedimento a bassissima temperatura ottenuta tramite fluidi criogenici di demolizione meccanica di pneumatici di rifiuto, gomme sintetiche, elastomeri e materie plastiche in genere.
KR830007278A (ko) 엘라스토마아(Elastomer) 물품의 가류방법
Winkelmann et al. Injector Installation for Metallurgical Vessels

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee