CA1072974A - Process for producing silanol end-stopped diorganopolysiloxane oils - Google Patents

Process for producing silanol end-stopped diorganopolysiloxane oils

Info

Publication number
CA1072974A
CA1072974A CA250,767A CA250767A CA1072974A CA 1072974 A CA1072974 A CA 1072974A CA 250767 A CA250767 A CA 250767A CA 1072974 A CA1072974 A CA 1072974A
Authority
CA
Canada
Prior art keywords
cyclic
carbon atoms
water
catalyst
formula
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
CA250,767A
Other languages
English (en)
French (fr)
Inventor
John S. Razzano
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Application granted granted Critical
Publication of CA1072974A publication Critical patent/CA1072974A/en
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
    • C08G77/22—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen
    • C08G77/24—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen halogen-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
    • C08G77/14—Polysiloxanes containing silicon bound to oxygen-containing groups
    • C08G77/16—Polysiloxanes containing silicon bound to oxygen-containing groups to hydroxyl 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
    • C08G77/32—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)
CA250,767A 1975-05-19 1976-04-22 Process for producing silanol end-stopped diorganopolysiloxane oils Expired CA1072974A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US57891975A 1975-05-19 1975-05-19

Publications (1)

Publication Number Publication Date
CA1072974A true CA1072974A (en) 1980-03-04

Family

ID=24314862

Family Applications (1)

Application Number Title Priority Date Filing Date
CA250,767A Expired CA1072974A (en) 1975-05-19 1976-04-22 Process for producing silanol end-stopped diorganopolysiloxane oils

Country Status (5)

Country Link
JP (1) JPS5833885B2 (de)
CA (1) CA1072974A (de)
DE (1) DE2621751A1 (de)
FR (1) FR2311789A1 (de)
GB (1) GB1549344A (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4096160A (en) * 1976-04-21 1978-06-20 General Electric Company Continuous devolatilization of silanol-terminated silicone polymer
AU5900880A (en) * 1979-06-18 1981-01-08 General Electric Company Continuous manufacture of siloxane polymers
CN114381001B (zh) * 2021-12-29 2023-06-23 山东华夏神舟新材料有限公司 宽温域耐溶剂氟硅橡胶及其组合物的制备方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3122521A (en) * 1960-03-18 1964-02-25 Dow Corning Method of polymerizing fluoroalkyl-substituted cyclotrisiloxanes
FR1280518A (fr) * 1961-02-23 1961-12-29 Thomson Houston Comp Francaise Polysiloxanes linéaires
US3477988A (en) * 1967-04-05 1969-11-11 Union Carbide Corp Preparation of organopolysiloxanes by siloxane rearrangement
GB1212421A (en) * 1967-04-21 1970-11-18 Tokyo Shibaura Electric Co Method of manufacturing organopolysiloxane diols
DE1913941A1 (de) * 1968-03-21 1969-10-09 Gen Electric Organosiloxanpolymerisationsbeschleuniger
JPS4913349A (de) * 1972-05-31 1974-02-05
US3779987A (en) * 1972-10-12 1973-12-18 Gen Electric Process for producing diorganopolysiloxane polymers
CA1044247A (en) * 1974-03-20 1978-12-12 Bruce A. Ashby Process for the production of silanol-stopped diorganopolysiloxanes
US3937684A (en) * 1974-04-24 1976-02-10 General Electric Company Process for producing high molecular weight diorganopolysiloxanes for use in heat vulcanizable silicone rubber compositions
GB1551775A (en) * 1975-05-05 1979-08-30 Gen Electric Process for producting diorganopolysioxane oils
GB1543596A (en) * 1975-05-05 1979-04-04 Gen Electric Diorganopolysiloxane copolymers and process for the preparation thereof

Also Published As

Publication number Publication date
GB1549344A (en) 1979-08-08
DE2621751A1 (de) 1976-12-02
FR2311789A1 (fr) 1976-12-17
FR2311789B1 (de) 1981-10-23
JPS5833885B2 (ja) 1983-07-22
JPS51141000A (en) 1976-12-04

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Legal Events

Date Code Title Description
MKEX Expiry