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 polyorganosiloxanesInfo
- 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
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)
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 (de) |
JP (1) | JPS5186423A (de) |
AT (1) | AT354091B (de) |
BE (1) | BE837233A (de) |
CA (1) | CA1055471A (de) |
DE (2) | DE2559603C2 (de) |
FR (1) | FR2296656A1 (de) |
GB (1) | GB1532051A (de) |
IT (1) | IT1043724B (de) |
NL (1) | NL160012C (de) |
Families Citing this family (12)
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 (de) * | 1986-08-08 | 1988-11-17 | Asahi Glass Company Ltd. | Fluorsilikonpolymer, Verfahren zu seiner Herstellung und dieses enthaltende Zusammensetzung |
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 |
AU4077797A (en) | 1996-08-20 | 1998-03-06 | Dow Chemical Company, The | Process for the production of alkylated benzenes |
US20030225236A1 (en) * | 2002-06-03 | 2003-12-04 | Masaharu Takahashi | Preparation of organopolysiloxane |
Family Cites Families (9)
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 |
-
1975
- 1975-01-02 US US05/537,877 patent/US4008261A/en not_active Expired - Lifetime
- 1975-10-14 CA CA237,534A patent/CA1055471A/en not_active Expired
- 1975-10-29 IT IT28766/75A patent/IT1043724B/it active
- 1975-12-15 JP JP50148583A patent/JPS5186423A/ja active Granted
- 1975-12-22 DE DE2559603A patent/DE2559603C2/de not_active Expired
- 1975-12-22 DE DE2558020A patent/DE2558020C2/de not_active Expired
- 1975-12-29 AT AT985475A patent/AT354091B/de not_active IP Right Cessation
- 1975-12-31 FR FR7540295A patent/FR2296656A1/fr active Granted
- 1975-12-31 NL NL7515236.A patent/NL160012C/xx not_active IP Right Cessation
- 1975-12-31 BE BE163241A patent/BE837233A/xx not_active IP Right Cessation
-
1976
- 1976-01-02 GB GB60/76A patent/GB1532051A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
AU8614475A (en) | 1977-05-05 |
CA1055471A (en) | 1979-05-29 |
NL160012C (nl) | 1979-09-17 |
AT354091B (de) | 1979-12-27 |
GB1532051A (en) | 1978-11-15 |
DE2558020A1 (de) | 1976-07-08 |
NL160012B (nl) | 1979-04-17 |
FR2296656B1 (de) | 1979-02-02 |
DE2558020C2 (de) | 1982-10-28 |
JPS5549622B2 (de) | 1980-12-12 |
US4008261A (en) | 1977-02-15 |
FR2296656A1 (fr) | 1976-07-30 |
ATA985475A (de) | 1979-05-15 |
DE2559603C2 (de) | 1984-05-10 |
JPS5186423A (en) | 1976-07-29 |
IT1043724B (it) | 1980-02-29 |
NL7515236A (nl) | 1976-07-06 |
DE2559603A1 (de) | 1977-04-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BE848223A (fr) | Catalyseur de polymerisation | |
SE434159B (sv) | Katalysatorkomponenter for polymerisation av olefiner samt forfarande for framstellning av katalysatorkomponenterna | |
FR2345466A1 (fr) | Catalyseur pour polymerisation en solution de monomeres vinyliques et son utilisation pour la preparation de polymeres | |
NO152300C (no) | Katalysatorsystem for oljefinpolymerisering, fremgangsmaate for dens fremstilling av anvendelse derav | |
SE434749B (sv) | Katalysatorkomponenter for polymerisation av olefiner samt forfarande for framstellning av dessa katalysatorkomponenter | |
FR2322890A1 (fr) | Procede de polymerisation | |
FR2274354A1 (fr) | Nouveaux catalyseurs pour la polymerisation ou la copolymerisation de composes olefiniques et leur procede de preparation | |
FR2342996A1 (fr) | Catalyseur et procede de polymerisation | |
BE844780A (fr) | Catalyseur de polymerisation | |
BE823355A (fr) | Catalyseur de polymerisation | |
BE821736A (fr) | Catalyseur pour la polymerisation d'olefines et procede pour la preparation de ce catalyseur | |
BE837233A (fr) | Procede de preparation de catalyseurs refermant du phosphore, catalyseurs ainsi obtenus et leur utilisation dans la polymerisation de polyorganosiloxanes | |
BE845400A (fr) | Catalyseur de polymerisation | |
DK133817B (da) | Fremgangsmade til fremstilling af polyamider ved aktiveret anionisk polymerisation af lactamer samt katalysatoroplosning til anvendelse ved fremgangsmaden | |
BE823849A (fr) | Procede de polymerisation | |
BE848879A (fr) | Procede de polymerisation, | |
BE827032A (fr) | Catalyseur de polymerisation | |
BE775058A (fr) | Catalyseur mixte pour la polymerisation de | |
BE835788A (fr) | Catalyseur de polymerisation | |
FR2347385A1 (fr) | Catalyseur et procede de polymerisation | |
AR199244A1 (es) | Procedimiento y aparato para la polimerizacion continua en masa, de polimeros polialquenilaromaticos | |
CA1028795A (en) | Process for polymerization or copolymerization of olefins, catalyst used therefor, and process for preparation of the catalyst | |
BE856844A (fr) | Nouveaux melanges reactionnels, leur procede de preparation et leur utilisation comme initiateurs de polymerisation | |
FR2352014A1 (fr) | Procede et catalyseur de polymerisation | |
BE843038A (fr) | Catalyseur et procede de polymerisation |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: DOW CORNING CORP. Effective date: 19921231 |