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BR8202719A - Processo de preparacao de polissiloxanas de massa molecular elevada por polimerizacao de re-arranjo de polissiloxanas de massa molecular pouco elevada - Google Patents

Processo de preparacao de polissiloxanas de massa molecular elevada por polimerizacao de re-arranjo de polissiloxanas de massa molecular pouco elevada

Info

Publication number
BR8202719A
BR8202719A BR8202719A BR8202719A BR8202719A BR 8202719 A BR8202719 A BR 8202719A BR 8202719 A BR8202719 A BR 8202719A BR 8202719 A BR8202719 A BR 8202719A BR 8202719 A BR8202719 A BR 8202719A
Authority
BR
Brazil
Prior art keywords
high molecular
molecular mass
pulsiloxanes
pasta
polymerization
Prior art date
Application number
BR8202719A
Other languages
English (en)
Inventor
Adrien Dromard
Claude Millet
Original Assignee
Rhone Poulenc Spec Chim
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 Spec Chim filed Critical Rhone Poulenc Spec Chim
Publication of BR8202719A publication Critical patent/BR8202719A/pt

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/06—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing polymers
    • B01J31/08—Ion-exchange resins
    • B01J31/10—Ion-exchange resins sulfonated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/06—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing polymers
    • B01J31/08—Ion-exchange resins
    • 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
    • C08G77/08—Preparatory processes characterised by the catalysts used
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991—Coated

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Silicon Polymers (AREA)
BR8202719A 1981-05-12 1982-05-11 Processo de preparacao de polissiloxanas de massa molecular elevada por polimerizacao de re-arranjo de polissiloxanas de massa molecular pouco elevada BR8202719A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8109571A FR2505850B1 (fr) 1981-05-12 1981-05-12 Procede d'obtention de polysiloxanes de masses moleculaires elevees par polymerisation et rearrangement de polysiloxanes en presence de catalyseur constitue par un support mineral poreux recouvert d'un film polymerique porteur de groupement sulfonique ou phosphonique

Publications (1)

Publication Number Publication Date
BR8202719A true BR8202719A (pt) 1983-04-19

Family

ID=9258418

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8202719A BR8202719A (pt) 1981-05-12 1982-05-11 Processo de preparacao de polissiloxanas de massa molecular elevada por polimerizacao de re-arranjo de polissiloxanas de massa molecular pouco elevada

Country Status (7)

Country Link
US (2) US4426508A (pt)
EP (1) EP0065925B1 (pt)
JP (1) JPS6044329B2 (pt)
BR (1) BR8202719A (pt)
DE (1) DE3266994D1 (pt)
ES (1) ES8401503A1 (pt)
FR (1) FR2505850B1 (pt)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4599437A (en) * 1984-10-29 1986-07-08 Wacker-Chemie Gmbh Continuous process for varying molecular weight of organopolysiloxanes
DE3509292A1 (de) * 1985-03-15 1985-12-05 Ulrich 3300 Braunschweig Haupt Verfahren zur herstellung von reinen tertiaeren olefinen
DE3519411A1 (de) * 1985-05-30 1986-12-04 Wacker-Chemie GmbH, 8000 München Kontinuierliches verfahren zur aenderung des molekulargewichts von organosiliciumverbindungen
DE3667178D1 (de) * 1986-03-18 1990-01-04 Wacker Chemie Gmbh Kontinuierliches verfahren zur aenderung des molekulargewichts von linearen oder cyclischen organo(poly)siloxanen.
US4683277A (en) * 1986-07-02 1987-07-28 Dow Corning Corporation Method for preparing vinyl terminated fluorine-containing polydiorganosiloxane
DE3632875A1 (de) * 1986-09-26 1988-04-07 Wacker Chemie Gmbh Kontinuierliches verfahren zur herstellung von triorganosiloxygruppen als endstaendige einheiten aufweisenden organopolysiloxanen
DE3734138A1 (de) * 1987-10-09 1989-04-20 Scharmer Klaus Dr Ing Saurer katalysator und verfahren zum herstellen des katalysators
US10361802B1 (en) 1999-02-01 2019-07-23 Blanding Hovenweep, Llc Adaptive pattern recognition based control system and method
US8352400B2 (en) 1991-12-23 2013-01-08 Hoffberg Steven M Adaptive pattern recognition based controller apparatus and method and human-factored interface therefore
DE4234779A1 (de) * 1992-10-15 1994-04-21 Veba Oel Ag Trägerkatalysator und Verwendung desselben
GB9227153D0 (en) * 1992-12-31 1993-02-24 Dow Corning Process for the production of organosilicon compounds
US5475162A (en) * 1993-11-09 1995-12-12 Uop Acid functionalized organically-bridged polysilsesquioxanes as catalysts for acid catalyzed reactions
US5371154A (en) * 1993-11-09 1994-12-06 Uop Process for forming acid functionalized organically-bridged polysilsesquioxanes
US5661097A (en) * 1994-08-12 1997-08-26 The Dow Chemical Company Supported olefin polymerization catalyst
DE19533892A1 (de) * 1995-09-13 1997-06-12 Bayer Ag Verfahren zur Kettenverlängerung von alpha,omega-Dihydroxy-poly(diorganosiloxanen), vernetzbare Mischungen, enthaltend kettenverlängerte alpha,omega-Dihydroxypoly(diorganosiloxane) und die Verwendung der hergestellten alpha,omega-Dihydroxypoly(diorganosiloxane
DE19533915A1 (de) * 1995-09-13 1997-03-20 Bayer Ag Verfahren zur Herstellung von Poly(diorganosiloxanen) mit Diorganyloxyorganylsilyl- oder Triorganylsilyl-Endgruppen, vernetzbare Mischungen, enthaltend Poly(diorganosiloxane) mit Diorganyloxyorganylsilyl- oder Triorganyloxysilyl-Endgruppen und deren Verwendung
RU2160747C2 (ru) * 1998-11-17 2000-12-20 Государственный научный центр Российской Федерации Государственный научно-исследовательский институт химии и технологии элементоорганических соединений Способ получения олигоалкилсилоксанов
US7904187B2 (en) 1999-02-01 2011-03-08 Hoffberg Steven M Internet appliance system and method
FR2802540B1 (fr) 1999-12-17 2002-05-24 Rhodia Chimie Sa Procede de preparation de polyorganosiloxanes par polymerisation catalysee par un systeme catalytique a base d'acide triflique ou de derives de l'acide triflique
RU2175334C1 (ru) * 2000-05-31 2001-10-27 Федеральное государственное предприятие "Государственный научно-исследовательский институт химии и технологии элементоорганических соединений" Олигодиэтилэтилгидридсилоксаны разветвленного строения и способ их получения
JP3862007B2 (ja) * 2002-05-31 2006-12-27 信越化学工業株式会社 スルホン化樹脂触媒の再活性化方法
DE10301355A1 (de) * 2003-01-16 2004-07-29 Goldschmidt Ag Äquilibrierung von Siloxanen
DE102008041601A1 (de) * 2008-08-27 2010-03-04 Evonik Goldschmidt Gmbh Verfahren zur Herstellung verzweigter SiH-funtioneller Polysiloxane und deren Verwendung zur Herstellung flüssiger, SiC- oder SiOC-verknüpfter, verzweigter organomodifizierter Polysiloxane
CA3008738C (en) 2015-12-17 2023-10-03 Basf Corporation Selective catalytic reduction (scr) catalyst comprising a composite oxide containing v and sb, preparation process thereof, and use thereof for nitrogen oxides removal
CN110167999B (zh) * 2017-01-31 2022-11-01 金伯利-克拉克环球有限公司 聚合物材料

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1230551B (de) 1963-07-09 1966-12-15 Reifenhaeuser Kg Vorrichtung zum kontinuierlichen Strangpressen von Formkoerpern
FR2359634A2 (fr) * 1976-07-28 1978-02-24 Rhone Poulenc Ind Procede de separation de proteines par echange d'ions
US4038213A (en) * 1976-03-04 1977-07-26 Shell Oil Company Hydrocarbon conversion process using a supported perfluorinated polymer catalyst
US4250052A (en) * 1978-09-08 1981-02-10 Chemical Research & Licensing Company Catalyst structure and a process for its preparation
US4222952A (en) * 1979-06-25 1980-09-16 Union Carbide Corporation Siloxane bond rearrangement effected by solid perfluorinated polymers containing pendant sulfonic acid groups
US4414146A (en) * 1982-05-05 1983-11-08 Union Camp Corporation Method of polymerizing rosin

Also Published As

Publication number Publication date
FR2505850A1 (fr) 1982-11-19
DE3266994D1 (en) 1985-11-28
US4508845A (en) 1985-04-02
EP0065925A1 (fr) 1982-12-01
FR2505850B1 (fr) 1985-06-21
ES8401503A1 (es) 1983-12-16
JPS5821427A (ja) 1983-02-08
ES512087A0 (es) 1983-07-01
EP0065925B1 (fr) 1985-10-23
JPS6044329B2 (ja) 1985-10-03
US4426508A (en) 1984-01-17

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