FR2265790A1 - Liquid siloxane-polyoxyalkylene block copolymer prodn - by transesterifi-cation using an acid salt catlyst - Google Patents

Liquid siloxane-polyoxyalkylene block copolymer prodn - by transesterifi-cation using an acid salt catlyst

Info

Publication number
FR2265790A1
FR2265790A1 FR7411439A FR7411439A FR2265790A1 FR 2265790 A1 FR2265790 A1 FR 2265790A1 FR 7411439 A FR7411439 A FR 7411439A FR 7411439 A FR7411439 A FR 7411439A FR 2265790 A1 FR2265790 A1 FR 2265790A1
Authority
FR
France
Prior art keywords
acid salt
transesterifi
catlyst
prodn
cation
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.)
Granted
Application number
FR7411439A
Other languages
English (en)
French (fr)
Other versions
FR2265790B1 (OSRAM
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.)
Union Carbide Corp
Original Assignee
Union Carbide Corp
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 Union Carbide Corp filed Critical Union Carbide Corp
Priority to FR7411439A priority Critical patent/FR2265790A1/fr
Publication of FR2265790A1 publication Critical patent/FR2265790A1/fr
Application granted granted Critical
Publication of FR2265790B1 publication Critical patent/FR2265790B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
    • 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
    • C08G77/42—Block-or graft-polymers containing polysiloxane sequences
    • C08G77/46—Block-or graft-polymers containing polysiloxane sequences containing polyether sequences
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2375/04—Polyurethanes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2483/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon only; Derivatives of such polymers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Silicon Polymers (AREA)
FR7411439A 1974-03-29 1974-03-29 Liquid siloxane-polyoxyalkylene block copolymer prodn - by transesterifi-cation using an acid salt catlyst Granted FR2265790A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7411439A FR2265790A1 (en) 1974-03-29 1974-03-29 Liquid siloxane-polyoxyalkylene block copolymer prodn - by transesterifi-cation using an acid salt catlyst

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7411439A FR2265790A1 (en) 1974-03-29 1974-03-29 Liquid siloxane-polyoxyalkylene block copolymer prodn - by transesterifi-cation using an acid salt catlyst

Publications (2)

Publication Number Publication Date
FR2265790A1 true FR2265790A1 (en) 1975-10-24
FR2265790B1 FR2265790B1 (OSRAM) 1978-01-13

Family

ID=9137131

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7411439A Granted FR2265790A1 (en) 1974-03-29 1974-03-29 Liquid siloxane-polyoxyalkylene block copolymer prodn - by transesterifi-cation using an acid salt catlyst

Country Status (1)

Country Link
FR (1) FR2265790A1 (OSRAM)

Also Published As

Publication number Publication date
FR2265790B1 (OSRAM) 1978-01-13

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Legal Events

Date Code Title Description
ST Notification of lapse