ES8401503A1 - "procedimiento de preparacion de organopolisiloxanos de peso molecular elevado". - Google Patents

"procedimiento de preparacion de organopolisiloxanos de peso molecular elevado".

Info

Publication number
ES8401503A1
ES8401503A1 ES512087A ES512087A ES8401503A1 ES 8401503 A1 ES8401503 A1 ES 8401503A1 ES 512087 A ES512087 A ES 512087A ES 512087 A ES512087 A ES 512087A ES 8401503 A1 ES8401503 A1 ES 8401503A1
Authority
ES
Spain
Prior art keywords
molecular weight
catalyst
porous support
sulphonic
rearrangement
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
ES512087A
Other languages
English (en)
Other versions
ES512087A0 (es
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.)
Rhone Poulenc Specialites Chimiques
Original Assignee
Rhone Poulenc Specialites Chimiques
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 Specialites Chimiques filed Critical Rhone Poulenc Specialites Chimiques
Publication of ES512087A0 publication Critical patent/ES512087A0/es
Publication of ES8401503A1 publication Critical patent/ES8401503A1/es
Expired legal-status Critical Current

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)

Abstract

PROCEDIMIENTO DE PREPARACION DE ORGANOPOLISILOXANOS DE PESO MOLECULAR ELEVADO.SE PONEN EN CONTACTO DE FORMA CONTINUA O DISCONTINUA, A TEMPERATURAS COMPRENDIDAS ENTRE 20 Y 200JC, COMPUESTOS SILOXANICOS CONSTITUIDOS POR CICLOSILOXANOS POLIMERIZABLES CON UN CATALIZADOR CONSTITUIDO POR UN SOPORTE MINERAL POROSO QUE TIENE UN DIAMETRO DE PORO MEDIO SUPERIOR A 20 A Y UN VOLUMEN POROSO COMPRENDIDO ENTRE 0,2 Y 2 ML/G, ESTANDO REVESTIDO DICHO SOPORTE CON UNA CANTIDAD INFERIOR A 15 MG/M DE UN MATERIAL POLIMERO PORTADOR DE GRUPOS ACIDOS ESCOGIDOS ENTRE LOS GRUPOS SULFONICOS O FOSFONICOSY POSEYENDO UNA CAPACIDAD DE INTERCAMBIO IONICO INFERIOR A 2 MILIEQUIVALENTES POR GRANO.
ES512087A 1981-05-12 1982-05-11 "procedimiento de preparacion de organopolisiloxanos de peso molecular elevado". Expired ES8401503A1 (es)

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 (2)

Publication Number Publication Date
ES512087A0 ES512087A0 (es) 1983-07-01
ES8401503A1 true ES8401503A1 (es) 1983-12-16

Family

ID=9258418

Family Applications (1)

Application Number Title Priority Date Filing Date
ES512087A Expired ES8401503A1 (es) 1981-05-12 1982-05-11 "procedimiento de preparacion de organopolisiloxanos de peso molecular elevado".

Country Status (7)

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

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
US5371154A (en) * 1993-11-09 1994-12-06 Uop Process for forming acid functionalized organically-bridged polysilsesquioxanes
US5475162A (en) * 1993-11-09 1995-12-12 Uop Acid functionalized organically-bridged polysilsesquioxanes as catalysts for acid catalyzed reactions
US5661097A (en) * 1994-08-12 1997-08-26 The Dow Chemical Company Supported olefin polymerization catalyst
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
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
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
US7966078B2 (en) 1999-02-01 2011-06-21 Steven Hoffberg Network media 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
US11260371B2 (en) 2015-12-17 2022-03-01 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
WO2018144242A1 (en) * 2017-01-31 2018-08-09 Kimberly-Clark Worldwide, Inc. Polymeric material

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
EP0065925A1 (fr) 1982-12-01
US4508845A (en) 1985-04-02
FR2505850A1 (fr) 1982-11-19
BR8202719A (pt) 1983-04-19
JPS5821427A (ja) 1983-02-08
ES512087A0 (es) 1983-07-01
FR2505850B1 (fr) 1985-06-21
DE3266994D1 (en) 1985-11-28
EP0065925B1 (fr) 1985-10-23
US4426508A (en) 1984-01-17
JPS6044329B2 (ja) 1985-10-03

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