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BR7900267A - Processo para elevar o peso molecular - Google Patents

Processo para elevar o peso molecular

Info

Publication number
BR7900267A
BR7900267A BR7900267A BR7900267A BR7900267A BR 7900267 A BR7900267 A BR 7900267A BR 7900267 A BR7900267 A BR 7900267A BR 7900267 A BR7900267 A BR 7900267A BR 7900267 A BR7900267 A BR 7900267A
Authority
BR
Brazil
Prior art keywords
elevating
molecular weight
molecular
weight
elevating molecular
Prior art date
Application number
BR7900267A
Other languages
English (en)
Inventor
B Deubzer
N Egerter
Original Assignee
Wacker Chemie Gmbh
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 Wacker Chemie Gmbh filed Critical Wacker Chemie Gmbh
Publication of BR7900267A publication Critical patent/BR7900267A/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
    • C08G77/06—Preparatory processes
    • C08G77/08—Preparatory processes characterised by the catalysts used
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
    • C07F7/02—Silicon compounds
    • C07F7/08—Compounds having one or more C—Si linkages
    • C07F7/18—Compounds having one or more C—Si linkages as well as one or more C—O—Si linkages
    • C07F7/1804—Compounds having Si-O-C linkages
    • C07F7/1872—Preparation; Treatments not provided for in C07F7/20
    • C07F7/1884—Preparation; Treatments not provided for in C07F7/20 by dismutation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Silicon Polymers (AREA)
BR7900267A 1978-01-17 1979-01-16 Processo para elevar o peso molecular BR7900267A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782801779 DE2801779A1 (de) 1978-01-17 1978-01-17 Verfahren zum erhoehen des molekulargewichts

Publications (1)

Publication Number Publication Date
BR7900267A true BR7900267A (pt) 1979-08-14

Family

ID=6029644

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7900267A BR7900267A (pt) 1978-01-17 1979-01-16 Processo para elevar o peso molecular

Country Status (8)

Country Link
US (1) US4176128A (pt)
EP (1) EP0003143B1 (pt)
JP (1) JPS54108900A (pt)
AU (1) AU523983B2 (pt)
BR (1) BR7900267A (pt)
CA (1) CA1127656A (pt)
DE (2) DE2801779A1 (pt)
IT (1) IT1162610B (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2540129B1 (fr) * 1983-01-27 1985-06-21 Rhone Poulenc Spec Chim Compositions organopolysiloxaniques contenant des polyacyloxysilanes et durcissant tres rapidement en elastomeres en presence d'accelerateur du type phosphate
US4782172A (en) * 1987-12-28 1988-11-01 Dow Corning Corporation Removal of polyfunctional silanes from organosilanes
GB8902936D0 (en) * 1989-02-09 1989-03-30 Dow Corning Process for the production of organosilicon compounds

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR950446A (fr) * 1942-08-21 1949-09-27 Thomson Houston Comp Francaise Résines de polysiloxanes
DE886075C (de) * 1947-01-10 1953-08-10 Dow Corning Verfahren zur katalytischen Polymerisation von cyclischen Diorganosilanen
FR1472047A (fr) * 1965-06-29 1967-03-10 Soc Ind Des Silicones Polycondensats de silanes et procédé de préparation desdits polycondensats
US3491054A (en) * 1969-03-28 1970-01-20 Owens Illinois Inc Methods for preparing organo-polysiloxanes using aluminum hydrolysis catalysts
US3634321A (en) * 1969-07-28 1972-01-11 Owens Illinois Inc Methods of making solid organopolysiloxanes
US3773818A (en) * 1972-02-07 1973-11-20 Gen Electric Equilibration of cyanoalkyl polysiloxanes
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

Also Published As

Publication number Publication date
IT7947644A0 (it) 1979-01-15
AU523983B2 (en) 1982-08-26
DE2801779A1 (de) 1979-07-19
EP0003143B1 (de) 1980-10-29
US4176128A (en) 1979-11-27
IT1162610B (it) 1987-04-01
JPS5519935B2 (pt) 1980-05-29
CA1127656A (en) 1982-07-13
JPS54108900A (en) 1979-08-25
EP0003143A3 (en) 1979-08-08
AU4317379A (en) 1979-07-26
EP0003143A2 (de) 1979-07-25
DE2960030D1 (en) 1981-01-29

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