BE837233A - Procede de preparation de catalyseurs refermant du phosphore, catalyseurs ainsi obtenus et leur utilisation dans la polymerisation de polyorganosiloxanes - Google Patents

Procede de preparation de catalyseurs refermant du phosphore, catalyseurs ainsi obtenus et leur utilisation dans la polymerisation de polyorganosiloxanes

Info

Publication number
BE837233A
BE837233A BE163241A BE163241A BE837233A BE 837233 A BE837233 A BE 837233A BE 163241 A BE163241 A BE 163241A BE 163241 A BE163241 A BE 163241A BE 837233 A BE837233 A BE 837233A
Authority
BE
Belgium
Prior art keywords
catalyzers
polyorganosiloxanes
catalysts
phosphorus
polymerization
Prior art date
Application number
BE163241A
Other languages
English (en)
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 filed Critical
Publication of BE837233A publication Critical patent/BE837233A/fr

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
    • C08G77/08—Preparatory processes characterised by the catalysts used
    • 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
    • C08G77/38—Polysiloxanes modified by chemical after-treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Silicon Polymers (AREA)
BE163241A 1975-01-02 1975-12-31 Procede de preparation de catalyseurs refermant du phosphore, catalyseurs ainsi obtenus et leur utilisation dans la polymerisation de polyorganosiloxanes BE837233A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/537,877 US4008261A (en) 1975-01-02 1975-01-02 Method of preparing phosphonium siloxanes and products thereof

Publications (1)

Publication Number Publication Date
BE837233A true BE837233A (fr) 1976-06-30

Family

ID=24144473

Family Applications (1)

Application Number Title Priority Date Filing Date
BE163241A BE837233A (fr) 1975-01-02 1975-12-31 Procede de preparation de catalyseurs refermant du phosphore, catalyseurs ainsi obtenus et leur utilisation dans la polymerisation de polyorganosiloxanes

Country Status (10)

Country Link
US (1) US4008261A (fr)
JP (1) JPS5186423A (fr)
AT (1) AT354091B (fr)
BE (1) BE837233A (fr)
CA (1) CA1055471A (fr)
DE (2) DE2558020C2 (fr)
FR (1) FR2296656A1 (fr)
GB (1) GB1532051A (fr)
IT (1) IT1043724B (fr)
NL (1) NL160012C (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4101513A (en) * 1977-02-02 1978-07-18 Minnesota Mining And Manufacturing Company Catalyst for condensation of hydrolyzable silanes and storage stable compositions thereof
US4177200A (en) * 1977-11-25 1979-12-04 General Electric Company Silyl phosphates as neutralizing agents for alkali metal hydroxides
US4125551A (en) * 1978-02-13 1978-11-14 General Electric Company Process for producing silylphosphates
US4433096A (en) * 1983-03-14 1984-02-21 Dow Corning Corporation Polymerization of polydiorganosiloxane in the presence of filler
JPS60219337A (ja) * 1984-04-12 1985-11-02 隈元　政文 水洗式大便器の汚水はね返り防止法
DE3504185A1 (de) * 1985-02-07 1986-08-07 Wacker-Chemie GmbH, 8000 München Verfahren zur erhoehung des molekulargewichts von diorgano(poly)-siloxan
EP0255957A3 (fr) * 1986-08-08 1988-11-17 Asahi Glass Company Ltd. Polymère de fluorosilicone, procédés pour sa fabrication et composition le contenant
JP2799637B2 (ja) * 1991-02-27 1998-09-21 信越化学工業株式会社 高分子量オルガノポリシロキサンの製造方法
US5196559A (en) * 1992-01-23 1993-03-23 Dow Corning Corporation Equilibration of cyclic siloxanes with novel catalysts
DE4317909A1 (de) * 1993-05-28 1994-12-01 Wacker Chemie Gmbh Verfahren zum Kondensieren und/oder Äquilibrieren von Organosiliciumverbindungen
DE69712495T2 (de) 1996-08-20 2002-08-29 Dow Chemical Co Verfahren zur herstellung von alkylierten benzolen
US20030225236A1 (en) * 2002-06-03 2003-12-04 Masaharu Takahashi Preparation of organopolysiloxane

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3057821A (en) * 1962-10-09 Ammonium halide stabilized organo-
US2683674A (en) * 1950-08-07 1954-07-13 Allied Chem & Dye Corp Waterproofing masonry with alkyl polysiloxanes
US2830967A (en) * 1953-01-13 1958-04-15 Wacker Chemie Gmbh Process for polymerizing polyorganosiloxanes with phosphorus-nitrogen compounds
US2739952A (en) * 1953-06-24 1956-03-27 Gen Electric Organopolysiloxanes stabilized with organophosphorus compounds
US2789109A (en) * 1954-06-29 1957-04-16 Gen Electric Neutralization of alkali metal hydroxide catalysts in organopolysiloxanes
US2908699A (en) * 1955-12-23 1959-10-13 Union Carbide Corp Process for producing cyanoalkylsilanes employing hydrocarbyl phosphorous halide catalysts
GB857343A (en) * 1958-01-17 1960-12-29 Ici Ltd Treatment of organopolysiloxanes
US3271359A (en) * 1962-12-24 1966-09-06 Gen Electric Equilibration of organopolysiloxanes using phosphorus-containing catalysts
DE1795565A1 (de) * 1964-05-05 1972-01-27 Tondeo Werk Noss A Verfahren zur Herstellung von lincarpolymeren Polydiorganosiloxanen,welche Organophosphorseitengruppen tragen

Also Published As

Publication number Publication date
DE2558020A1 (de) 1976-07-08
DE2558020C2 (de) 1982-10-28
US4008261A (en) 1977-02-15
FR2296656B1 (fr) 1979-02-02
NL160012C (nl) 1979-09-17
NL160012B (nl) 1979-04-17
ATA985475A (de) 1979-05-15
JPS5186423A (en) 1976-07-29
IT1043724B (it) 1980-02-29
AT354091B (de) 1979-12-27
GB1532051A (en) 1978-11-15
JPS5549622B2 (fr) 1980-12-12
FR2296656A1 (fr) 1976-07-30
AU8614475A (en) 1977-05-05
DE2559603C2 (de) 1984-05-10
NL7515236A (nl) 1976-07-06
DE2559603A1 (de) 1977-04-21
CA1055471A (fr) 1979-05-29

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: DOW CORNING CORP.

Effective date: 19921231