DE3167274D1 - Process for preparing high molecular weight polysiloxanes by polymerization and rearrangement of polysiloxanes in the presence of an alcaline catalyst and a tris(oxyalkyl) amine - Google Patents

Process for preparing high molecular weight polysiloxanes by polymerization and rearrangement of polysiloxanes in the presence of an alcaline catalyst and a tris(oxyalkyl) amine

Info

Publication number
DE3167274D1
DE3167274D1 DE8181420050T DE3167274T DE3167274D1 DE 3167274 D1 DE3167274 D1 DE 3167274D1 DE 8181420050 T DE8181420050 T DE 8181420050T DE 3167274 T DE3167274 T DE 3167274T DE 3167274 D1 DE3167274 D1 DE 3167274D1
Authority
DE
Germany
Prior art keywords
polysiloxanes
alcaline
oxyalkyl
rearrangement
tris
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
DE8181420050T
Other languages
German (de)
English (en)
Inventor
Claude Millet
Gerard Soula
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.)
Rhone Poulenc Specialites Chimiques
Original Assignee
Rhone Poulenc Specialites Chimiques
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 Rhone Poulenc Specialites Chimiques filed Critical Rhone Poulenc Specialites Chimiques
Application granted granted Critical
Publication of DE3167274D1 publication Critical patent/DE3167274D1/de
Expired legal-status Critical Current

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
    • C08G77/06—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)
DE8181420050T 1980-04-29 1981-04-02 Process for preparing high molecular weight polysiloxanes by polymerization and rearrangement of polysiloxanes in the presence of an alcaline catalyst and a tris(oxyalkyl) amine Expired DE3167274D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8010118A FR2481295A1 (fr) 1980-04-29 1980-04-29 Procede d'obtention de polysiloxanes de masses moleculaires elevees par polymerisation et rearrangement de polysiloxanes en presence de catalyseur alcalin et de tris(oxaalkyl)amine

Publications (1)

Publication Number Publication Date
DE3167274D1 true DE3167274D1 (en) 1985-01-03

Family

ID=9241683

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8181420050T Expired DE3167274D1 (en) 1980-04-29 1981-04-02 Process for preparing high molecular weight polysiloxanes by polymerization and rearrangement of polysiloxanes in the presence of an alcaline catalyst and a tris(oxyalkyl) amine

Country Status (6)

Country Link
US (1) US4362855A (enExample)
EP (1) EP0039299B1 (enExample)
JP (1) JPS5910739B2 (enExample)
CA (1) CA1159596A (enExample)
DE (1) DE3167274D1 (enExample)
FR (1) FR2481295A1 (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59127734A (ja) * 1983-01-07 1984-07-23 Japan Styrene Paper Co Ltd 重合体予備発泡粒子の製造法
US4477625A (en) * 1983-04-01 1984-10-16 General Electric Company One package, stable, moisture curable, alkoxy-terminated organopolysiloxane compositions
FR2571731B1 (fr) * 1984-10-15 1987-02-20 Rhone Poulenc Spec Chim Procede de polycondensation des polysiloxanes comportant des groupements hydrosiloxyles par metal alcalin ou alcalino-terreux en presence de tris(oxaalkylamine)
GB8902935D0 (en) * 1989-02-09 1989-03-30 Dow Corning Process for producing organosilicon products
JPH04214730A (ja) * 1990-12-13 1992-08-05 Shin Etsu Chem Co Ltd オルガノポリシロキサンの製造方法
DE19901191A1 (de) * 1999-01-14 2000-08-03 Wacker Chemie Gmbh Basische Kondensationskatalysatorsysteme für Siloxane
FR2853656A1 (fr) * 2003-04-11 2004-10-15 Rhodia Chimie Sa Procede de preparation de polyorganosiloxanes lineaires
FR2876695B1 (fr) * 2004-10-15 2006-12-08 Rhodia Chimie Sa Procede de preparation d'organopolysiloxane par polymerisation et rearrangement de siloxanes cycliques

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1434629A (fr) * 1964-05-06 1966-04-08 Wacker Chemie Gmbh Procédé de préparation de diorganopolysiloxanes présentant une viscosité permanente
GB1426747A (en) * 1972-10-03 1976-03-03 Poudres & Explosifs Ste Nale Anionic polymerization
US4008346A (en) * 1974-12-18 1977-02-15 General Electric Company Process for preparing a polysiloxane
DE2618815A1 (de) * 1975-05-05 1976-11-18 Gen Electric Verfahren zum polymerisieren cyclischer diorganopolysiloxane
CH620932A5 (enExample) * 1976-05-26 1980-12-31 Poudres & Explosifs Ste Nale
US4316001A (en) * 1976-05-26 1982-02-16 Societe Nationale Des Poudres Et Explosifs Anionic polymerization of heterocyclic monomers with alkali metal amide hydroxylated compound initiator
FR2353589A1 (fr) * 1976-05-31 1977-12-30 Rhone Poulenc Ind Procede de preparation d'organopolysiloxanes
US4122247A (en) * 1976-08-23 1978-10-24 General Electric Company Process for the polymerization of cyclic diorganopolysiloxanes with cation-complex catalysts
FR2352834A1 (fr) * 1977-05-23 1977-12-23 Poudres & Explosifs Ste Nale Initiateurs de polymerisation anionique a base d'amidures alcalins et procede de polymerisation anionique les utilisant
FR2398079A2 (fr) * 1977-07-22 1979-02-16 Poudres & Explosifs Ste Nale Procede de polymerisation anionique a l'aide de cryptants

Also Published As

Publication number Publication date
EP0039299A1 (fr) 1981-11-04
EP0039299B1 (fr) 1984-11-21
FR2481295B1 (enExample) 1985-02-22
JPS5910739B2 (ja) 1984-03-10
CA1159596A (fr) 1983-12-27
JPS57133A (en) 1982-01-05
US4362855A (en) 1982-12-07
FR2481295A1 (fr) 1981-10-30

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee