BR8002993A - Processo para a preparacao de poliorganossiloxanas poliramificadas - Google Patents

Processo para a preparacao de poliorganossiloxanas poliramificadas

Info

Publication number: BR8002993A
Authority: BR; Brazil
Prior art keywords: polylamified; polyorganosiloxans; preparation; polylamified polyorganosiloxans
Prior art date: 1979-05-15

Application number

BR8002993A

Other languages

English (en)

Inventor

A Montgny

H Moretto

Original Assignee

Bayer 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.)

1979-05-15

Filing date

1980-05-14

Publication date

1981-03-10

1980-05-14 Application filed by Bayer Ag filed Critical Bayer Ag

1981-03-10 Publication of BR8002993A publication Critical patent/BR8002993A/pt

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
- C08G77/14—Polysiloxanes containing silicon bound to oxygen-containing groups
- 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
- C08G77/10—Equilibration processes

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)

BR8002993A 1979-05-15 1980-05-14 Processo para a preparacao de poliorganossiloxanas poliramificadas BR8002993A (pt)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19792919559 DE2919559A1 (de)	1979-05-15	1979-05-15	Verfahren zur herstellung von mehrfach verzweigten siliciumfunktionellen polyorganosiloxanen

Publications (1)

Publication Number	Publication Date
BR8002993A true BR8002993A (pt)	1981-03-10

Family

ID=6070769

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR8002993A BR8002993A (pt)	1979-05-15	1980-05-14	Processo para a preparacao de poliorganossiloxanas poliramificadas

Country Status (8)

Country	Link
US (1)	US4281144A (pt)
EP (1)	EP0019251B1 (pt)
JP (1)	JPS6021693B2 (pt)
BR (1)	BR8002993A (pt)
CA (1)	CA1160642A (pt)
DE (2)	DE2919559A1 (pt)
ES (1)	ES8102145A1 (pt)
MX (1)	MX155548A (pt)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4447630A (en) *	1983-08-29	1984-05-08	General Electric Company	Method for making cyclopolydimethylsiloxanes
GB8724956D0 (en) *	1987-10-24	1987-11-25	Dow Corning Sa	Hydroxy terminated polysiloxanes
US4895968A (en) *	1988-10-24	1990-01-23	General Electric Company	Acid equilibration method for organcpolysiloxanes having carbon-silicon-bonded aromatic organic radicals
DE102007037292A1 (de) *	2007-08-07	2009-02-12	Evonik Goldschmidt Gmbh	Verfahren zur Herstellung von verzweigten Polyorganosiloxanen
EP3492513B1 (de) *	2017-11-29	2021-11-03	Evonik Operations GmbH	Verfahren zur herstellung von im siloxanteil verzweigten sioc-verknüpften polyethersiloxanen
EP3744760A1 (de) *	2019-05-28	2020-12-02	Evonik Operations GmbH	Verfahren zur herstellung von im siloxanteil verzweigten sioc-verknüpften polyethersiloxanen
EP3744756B1 (de) *	2019-05-28	2024-07-03	Evonik Operations GmbH	Acetoxysysteme

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2381366A (en) *	1942-10-29	1945-08-07	Gen Electric	Organo-dihalogenosiloxanes
US2421653A (en) *	1944-07-01	1947-06-03	Gen Electric	Preparation of polyorganohalogenopolysiloxanes
BE558554A (pt) *	1956-06-26
DE1174509B (de)	1959-10-28	1964-07-23	Goldschmidt Ag Th	Verfahren zur Herstellung von kettenfoermigen, Halogen oder Alkoxygruppen sowie Sulfat-gruppen enthaltenden Organopolysiloxanen
DE1420493C3 (de)	1959-10-28	1978-04-20	Th. Goldschmidt Ag, 4300 Essen	Verfahren zur Herstellung von gemischt substituierten Siloxanen
US3162662A (en) *	1961-04-19	1964-12-22	Dow Corning	Preparation of linear chlorosiloxanes from cyclotrisiloxanes
NL128599C (pt) *	1963-08-07	1970-04-15
US3595885A (en) *	1964-02-12	1971-07-27	Goldschmidt Ag Th	Organopolysiloxanes and the process for their preparation
DE2345923C3 (de)	1973-09-12	1980-03-06	Bayer Ag, 5090 Leverkusen	Verfahren zur Herstellung von halogensubstituierten linearen oder verzweigten OrganopolysUoxanen
BE821138A (fr)	1973-10-24	1975-02-17		Procede de preparation de melanges au moins approximativement equilibres d'organopolysiloxanes a groupement halogenure de silyle
US4044038A (en) *	1973-10-24	1977-08-23	Th. Goldschmidt Ag	Process for the manufacture of at least substantially balanced organopolysiloxane mixtures with silyl halide groupings
DE2453482B2 (de)	1974-11-12	1980-04-30	Bayer Ag, 5090 Leverkusen	Verfahren zur Herstellung von endständig chlorsubstituierten, linearen oder verzweigten Organosiloxanen
DE2801780A1 (de) *	1978-01-17	1979-07-19	Wacker Chemie Gmbh	Verfahren zum herstellen von acyloxysilanen und gegebenenfalls acyloxysiloxanen
DE2802668A1 (de) *	1978-01-21	1979-07-26	Bayer Ag	Verfahren zur herstellung von siliciumfunktionellen polyorganosiloxanen

1979
- 1979-05-15 DE DE19792919559 patent/DE2919559A1/de not_active Withdrawn
1980
- 1980-04-28 US US06/144,101 patent/US4281144A/en not_active Expired - Lifetime
- 1980-05-12 EP EP80102608A patent/EP0019251B1/de not_active Expired
- 1980-05-12 DE DE8080102608T patent/DE3061992D1/de not_active Expired
- 1980-05-13 JP JP55062351A patent/JPS6021693B2/ja not_active Expired
- 1980-05-13 CA CA000351836A patent/CA1160642A/en not_active Expired
- 1980-05-14 MX MX182322A patent/MX155548A/es unknown
- 1980-05-14 BR BR8002993A patent/BR8002993A/pt not_active IP Right Cessation
- 1980-05-14 ES ES491523A patent/ES8102145A1/es not_active Expired

Also Published As

Publication number	Publication date
JPS6021693B2 (ja)	1985-05-29
US4281144A (en)	1981-07-28
DE2919559A1 (de)	1980-11-27
EP0019251A1 (de)	1980-11-26
MX155548A (es)	1988-03-25
CA1160642A (en)	1984-01-17
EP0019251B1 (de)	1983-02-16
ES491523A0 (es)	1980-12-16
DE3061992D1 (en)	1983-03-24
ES8102145A1 (es)	1980-12-16
JPS55157628A (en)	1980-12-08

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Legal Events

Date	Code	Title	Description
1995-06-13	MK	Patent expired	Effective date: 19950514