BR8402899A - Processo para neutralizar um catalisador de metal alcalino em um organopolissiloxano polimerizado com catalisador de metal alcalino e processo para reduzir o teor de metal alcalino de um organopolissiloxano neutralizado e polimerizado com catalisador de metal alcalino - Google Patents

Processo para neutralizar um catalisador de metal alcalino em um organopolissiloxano polimerizado com catalisador de metal alcalino e processo para reduzir o teor de metal alcalino de um organopolissiloxano neutralizado e polimerizado com catalisador de metal alcalino

Info

Publication number
BR8402899A
BR8402899A BR8402899A BR8402899A BR8402899A BR 8402899 A BR8402899 A BR 8402899A BR 8402899 A BR8402899 A BR 8402899A BR 8402899 A BR8402899 A BR 8402899A BR 8402899 A BR8402899 A BR 8402899A
Authority
BR
Brazil
Prior art keywords
alkaline metal
organopolysiloxan
metal catalyst
polymalized
metalalised
Prior art date
Application number
BR8402899A
Other languages
English (en)
Inventor
Myron Timothy Maxson
Diane Marie Kosal
Original Assignee
Dow Corning
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 Dow Corning filed Critical Dow Corning
Publication of BR8402899A publication Critical patent/BR8402899A/pt

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
    • C08G77/32—Post-polymerisation treatment
    • C08G77/34—Purification
    • 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
    • C08G77/32—Post-polymerisation treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Silicon Polymers (AREA)
BR8402899A 1983-06-15 1984-06-14 Processo para neutralizar um catalisador de metal alcalino em um organopolissiloxano polimerizado com catalisador de metal alcalino e processo para reduzir o teor de metal alcalino de um organopolissiloxano neutralizado e polimerizado com catalisador de metal alcalino BR8402899A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US50463583A 1983-06-15 1983-06-15
US06/530,296 US4625011A (en) 1983-06-15 1983-09-08 Neutralization of alkali metal catalysts in organopolysiloxanes

Publications (1)

Publication Number Publication Date
BR8402899A true BR8402899A (pt) 1985-05-21

Family

ID=27054891

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8402899A BR8402899A (pt) 1983-06-15 1984-06-14 Processo para neutralizar um catalisador de metal alcalino em um organopolissiloxano polimerizado com catalisador de metal alcalino e processo para reduzir o teor de metal alcalino de um organopolissiloxano neutralizado e polimerizado com catalisador de metal alcalino

Country Status (7)

Country Link
US (1) US4625011A (pt)
EP (1) EP0129318B1 (pt)
KR (1) KR920002624B1 (pt)
AU (1) AU560721B2 (pt)
BR (1) BR8402899A (pt)
CA (1) CA1218187A (pt)
DE (1) DE3465320D1 (pt)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3428581A1 (de) * 1984-08-02 1986-02-13 Wacker-Chemie GmbH, 8000 München Verfahren zum stabilisieren von organopolysiloxanen
US4766192A (en) * 1987-07-10 1988-08-23 Dow Corning Corporation Silicone polymer termination
DE3726702A1 (de) * 1987-08-11 1989-02-23 Wacker Chemie Gmbh Verfahren zur verringerung des halogengehalts von halogenhaltigen polycarbosilanen und polysilanen
JPH0618881B2 (ja) * 1989-02-21 1994-03-16 信越化学工業株式会社 フルオロオルガノポリシロキサンの製造方法
JPH0713146B2 (ja) * 1990-05-22 1995-02-15 信越化学工業株式会社 オルガノポリシロキサンの製造方法
JP2712817B2 (ja) * 1990-11-15 1998-02-16 信越化学工業株式会社 ポリオルガノシロキサン樹脂の製造方法
DE4314502A1 (de) * 1993-05-03 1994-11-10 Bayer Ag Stabilisierung von Acetatsystemen
EP0814111A1 (en) * 1996-06-21 1997-12-29 Chisso Corporation Process for producing diorganopolysiloxane
US5847180A (en) * 1997-12-15 1998-12-08 Dow Corning Corporation Neutralization method for polyorganosiloxanes
EP2534218A1 (en) * 2010-02-12 2012-12-19 Dow Corning Corporation Temporary wafer bonding method for semiconductor processing

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3065203A (en) * 1962-11-20 Polybiloxane stabilization
US2571533A (en) * 1947-03-29 1951-10-16 Dow Chemical Co Method for preparing heat-hardenable organopolysiloxane resins
US2789109A (en) * 1954-06-29 1957-04-16 Gen Electric Neutralization of alkali metal hydroxide catalysts in organopolysiloxanes
GB859295A (en) * 1958-04-09 1961-01-18 Midland Silicones Ltd A process for stabilising siloxane polymers
US3153007A (en) * 1960-12-12 1964-10-13 Gen Electric Process for making organopolysiloxanes using bromoalkane decatalyzing agents for excess alkali-metal catalysts
US3453304A (en) * 1966-12-19 1969-07-01 Gen Electric Process for preparing siloxane diolates
GB1217335A (en) * 1967-04-10 1970-12-31 Midland Silicones Ltd Polymerisation of siloxanes
US3694405A (en) * 1970-10-21 1972-09-26 Union Carbide Corp Rearrangement of organosiloxanes using macroreticular sulfonic acid cation exchange resin
US3903047A (en) * 1973-10-23 1975-09-02 Gen Electric Process for the production of silanol-stopped diorgano-polysiloxanes
DE2403303C3 (de) * 1974-01-24 1986-07-10 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Organopolysiloxanpolyolen
US4122247A (en) * 1976-08-23 1978-10-24 General Electric Company Process for the polymerization of cyclic diorganopolysiloxanes with cation-complex catalysts
GB2052539B (en) * 1980-06-03 1984-06-20 Gen Electric Process for the continuous manufacture of diorganopolysiloxane polymers
US4374967A (en) * 1981-07-06 1983-02-22 Dow Corning Corporation Low temperature silicone gel

Also Published As

Publication number Publication date
KR920002624B1 (ko) 1992-03-30
EP0129318A1 (en) 1984-12-27
AU2938284A (en) 1984-12-20
US4625011A (en) 1986-11-25
CA1218187A (en) 1987-02-17
EP0129318B1 (en) 1987-08-12
KR850000475A (ko) 1985-02-27
DE3465320D1 (en) 1987-09-17
AU560721B2 (en) 1987-04-16

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Legal Events

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