ES460499A1 - Procedimiento para la transformacion de organosiloxanos. - Google Patents

Procedimiento para la transformacion de organosiloxanos.

Info

Publication number
ES460499A1
ES460499A1 ES460499A ES460499A ES460499A1 ES 460499 A1 ES460499 A1 ES 460499A1 ES 460499 A ES460499 A ES 460499A ES 460499 A ES460499 A ES 460499A ES 460499 A1 ES460499 A1 ES 460499A1
Authority
ES
Spain
Prior art keywords
preparation
organopolysiloxane polymers
organopolysiloxane
polymers
organopolysiloxanes
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
ES460499A
Other languages
English (en)
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.)
Wacker Chemie AG
Original Assignee
Wacker Chemie AG
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 Wacker Chemie AG filed Critical Wacker Chemie AG
Publication of ES460499A1 publication Critical patent/ES460499A1/es
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G77/00Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C08G77/04Polysiloxanes
    • C08G77/06Preparatory processes
    • C08G77/08Preparatory processes characterised by the catalysts used
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F7/00Compounds containing elements of Groups 4 or 14 of the Periodic Table
    • C07F7/02Silicon compounds
    • C07F7/08Compounds having one or more C—Si linkages
    • C07F7/0834Compounds having one or more O-Si linkage
    • C07F7/0838Compounds with one or more Si-O-Si sequences
    • C07F7/0872Preparation and treatment thereof
    • C07F7/0874Reactions involving a bond of the Si-O-Si linkage
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F7/00Compounds containing elements of Groups 4 or 14 of the Periodic Table
    • C07F7/02Silicon compounds
    • C07F7/08Compounds having one or more C—Si linkages
    • C07F7/0834Compounds having one or more O-Si linkage
    • C07F7/0838Compounds with one or more Si-O-Si sequences
    • C07F7/0872Preparation and treatment thereof
    • C07F7/0876Reactions involving the formation of bonds to a Si atom of a Si-O-Si sequence other than a bond of the Si-O-Si linkage
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F7/00Compounds containing elements of Groups 4 or 14 of the Periodic Table
    • C07F7/02Silicon compounds
    • C07F7/21Cyclic compounds having at least one ring containing silicon, but no carbon in the ring
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G77/00Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C08G77/04Polysiloxanes
    • C08G77/045Polysiloxanes containing less than 25 silicon atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Silicon Polymers (AREA)
  • Catalysts (AREA)

Abstract

Procedimiento para la transformación de organosilaxanos por reacción con clorosilanos, eventualmente en presencia de un ácido inorgánico, caracterizado porque se utiliza o se utiliza conjuntamente carbón activo como catalizador.
ES460499A 1976-07-08 1977-07-07 Procedimiento para la transformacion de organosiloxanos. Expired ES460499A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2630744A DE2630744C3 (de) 1976-07-08 1976-07-08 Verfahren zur Umwandlung von Organosiloxanen

Publications (1)

Publication Number Publication Date
ES460499A1 true ES460499A1 (es) 1978-05-01

Family

ID=5982516

Family Applications (1)

Application Number Title Priority Date Filing Date
ES460499A Expired ES460499A1 (es) 1976-07-08 1977-07-07 Procedimiento para la transformacion de organosiloxanos.

Country Status (14)

Country Link
US (1) US4113760A (es)
JP (1) JPS537625A (es)
AT (1) AT350588B (es)
AU (1) AU507564B2 (es)
BE (1) BE856583A (es)
BR (1) BR7704453A (es)
CA (1) CA1095068A (es)
DE (1) DE2630744C3 (es)
ES (1) ES460499A1 (es)
FR (1) FR2357570A1 (es)
GB (1) GB1532382A (es)
NL (1) NL7706972A (es)
NO (1) NO147070C (es)
SE (1) SE7707957L (es)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2802668A1 (de) * 1978-01-21 1979-07-26 Bayer Ag Verfahren zur herstellung von siliciumfunktionellen polyorganosiloxanen
US4289891A (en) * 1978-04-21 1981-09-15 General Electric Company Silicone diffusion pump fluids
US4448981A (en) * 1983-05-13 1984-05-15 General Electric Company Method of making organosiloxanes and alkyl halides from dialkyldialkoxysilanes
DE3628319A1 (de) * 1986-08-21 1988-02-25 Bayer Ag Organopolysiloxanoele
US4782172A (en) * 1987-12-28 1988-11-01 Dow Corning Corporation Removal of polyfunctional silanes from organosilanes
DE3935775A1 (de) * 1989-10-27 1991-05-02 Wacker Chemie Gmbh Alkenylgruppen aufweisende organosiliciumverbindungen, verfahren zu ihrer herstellung und verwendung dieser organosiliciumverbindungen
JPH06102727B2 (ja) * 1990-05-31 1994-12-14 信越化学工業株式会社 ポリエーテル・アルキルエーテル共変性シリコーン化合物
US5068383A (en) * 1990-11-09 1991-11-26 Dow Corning Corporation Catalyzed redistribution of polyorganosiloxanes
US5110972A (en) * 1991-07-18 1992-05-05 Tremco Incorporated Process for recycling silicone scrap and products relating thereto
JP3186820B2 (ja) * 1992-02-28 2001-07-11 ダウ・コ−ニング・コ−ポレ−ション 反応性ポリシロキサンおよびその製造方法
US5247116A (en) * 1992-07-10 1993-09-21 Temple University Of The Commonwealth System Of Higher Education Acid-catalyzed process for the production of cyclosiloxanes
JP3606613B2 (ja) * 1994-09-05 2005-01-05 信越化学工業株式会社 低重合度オルガノポリシロキサンの製造方法
US5446185A (en) * 1994-11-14 1995-08-29 Dow Corning Corporation Alkylhydrido siloxanes
US6043388A (en) * 1998-12-21 2000-03-28 General Electric Company Method for preparation of organohydrogen polysiloxanes
EP1882002A1 (en) * 2005-05-16 2008-01-30 Dow Corning Corporation Method for the redistribution of polyorganosiloxanes
JP5087754B2 (ja) * 2010-04-27 2012-12-05 信越化学工業株式会社 環状ポリオルガノシロキサンシラザンおよびその製造方法
DE102011079751A1 (de) 2011-07-25 2013-01-31 Wacker Chemie Ag Abtrennung von cyclischen Siloxanen aus kurzkettigen Siloxanen mit endständigen Hydroxylgruppen
DE102012212007A1 (de) * 2012-07-10 2014-01-16 Wacker Chemie Ag Verfahren zur Herstellung von Organopolysiloxanen

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE789272A (fr) * 1971-09-29 1973-03-26 Wacker Chemie Gmbh Procede de preparation d'organosiloxanes

Also Published As

Publication number Publication date
DE2630744C3 (de) 1979-05-23
JPS537625A (en) 1978-01-24
AU507564B2 (en) 1980-02-21
ATA486977A (de) 1978-11-15
FR2357570B1 (es) 1980-04-11
NO147070C (no) 1983-01-26
DE2630744A1 (de) 1978-02-02
US4113760A (en) 1978-09-12
SE7707957L (sv) 1978-01-09
NL7706972A (nl) 1978-01-10
JPS5638158B2 (es) 1981-09-04
DE2630744B2 (de) 1978-09-28
GB1532382A (en) 1978-11-15
BR7704453A (pt) 1978-03-28
FR2357570A1 (fr) 1978-02-03
AU2640777A (en) 1979-01-04
AT350588B (de) 1979-06-11
NO772413L (no) 1978-01-10
NO147070B (no) 1982-10-18
BE856583A (fr) 1978-01-09
CA1095068A (en) 1981-02-03

Similar Documents

Publication Publication Date Title
ES460499A1 (es) Procedimiento para la transformacion de organosiloxanos.
NL185456C (nl) Werkwijze ter bereiding van alfa-alkeenpolymeren of -copolymeren.
NO160303C (no) Polymeriseringskatalysator, katalysatorbestanddel for fremstilling av katalysatoren og anvendelse av katalysatoren.
SG985G (en) Catalyst,method of producing the catalyst,and polymerization process employing the catalyst
DE3751259D1 (de) Kurvenerzeugungsverfahren.
FR2593159B1 (fr) Appareil recepteur de feuilles, notamment pour copieur.
ES479103A1 (es) Procedimiento para preparar un copolimero de alquileno-acri-lato de alquilo,modificado con silano y curable con agua.
ATE18566T1 (de) Heterogene copolymeren des aethylens zur herstellung von filmen.
ES8402847A1 (es) Procedimiento para la preparacion de poli (1,2-disustituido-ciclohexa-3,5-dienos)
NL188908C (nl) Werkwijze ter bereiding van een propeen-etheenblokcopolymeer, alsmede gevormd voortbrengsel, geheel of gedeeltelijk bestaande uit een dergelijk polymeer.
EP0039663A3 (en) Process for preparing crosslinked saturated polymers, and these polymers
NL184472B (nl) Werkwijze voor de bereiding van alkeenpolymeren, alsmede gevormd voortbrengsel, geheel of ten dele vervaardigd met toepassing daarvan.
NL182320C (nl) Granules en pastilles voor de modificatie van vormbare polycondensatieprodukten, alsmede gevormd voortbrengsel, geheel of ten dele bestaande uit een aldus gemodificeerd polycondensatieprodukt.
FI860602A0 (fi) Anordning foer foersaettande i vertikal roerelse av en sits, isynnerhet en patientstol.
ES8203914A1 (es) Procedimiento para obtener relaxina humana
NL7409131A (nl) Werkwijze voor de bereiding van copolymere organopolysiloxanen en voorwerpen, die geheel of ten dele bestaan uit de aldus bereide poly- siloxanen.
JPS5294884A (en) Water and oil repellent laminated product
JPS5216564A (en) Foaming silicone rubber composition
DE3163895D1 (en) Process for preparing polymer dispersions, and their use
EP0079389A4 (en) METHOD FOR PRODUCING PROPYLENE POLYMERS OR COPOLYMERS.
DE3853833D1 (de) Vorrichtung zur herstellung kombinierter federn.
JPS52115713A (en) High tensile titanium having excellent hydrogen brittleness resistance
ES451046A1 (es) Procedimiento para la obtencion de copoliesteres en secuen- cia, hilables y moldeables.
JPS5240555A (en) Process for crosslinking polyolefin
JPS5331800A (en) Catalyst for condensation reaction of organopolysiloxane

Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19971103