GB201004534D0 - Preparation of organosiloxane polymers - Google Patents

Preparation of organosiloxane polymers

Info

Publication number
GB201004534D0
GB201004534D0 GBGB1004534.2A GB201004534A GB201004534D0 GB 201004534 D0 GB201004534 D0 GB 201004534D0 GB 201004534 A GB201004534 A GB 201004534A GB 201004534 D0 GB201004534 D0 GB 201004534D0
Authority
GB
United Kingdom
Prior art keywords
preparation
organosiloxane polymers
organosiloxane
polymers
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.)
Withdrawn
Application number
GBGB1004534.2A
Other versions
GB2468952A (en
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.)
Dow Silicones Corp
Original Assignee
Dow Corning 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 Dow Corning Corp filed Critical Dow Corning Corp
Publication of GB201004534D0 publication Critical patent/GB201004534D0/en
Publication of GB2468952A publication Critical patent/GB2468952A/en
Withdrawn legal-status Critical Current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
    • 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
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L83/00—Compositions 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; Compositions of derivatives of such polymers
    • C08L83/04—Polysiloxanes
    • 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
    • C08G77/045—Polysiloxanes containing less than 25 silicon atoms

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)
  • Compositions Of Macromolecular Compounds (AREA)
GB1004534A 2009-03-26 2010-03-18 Elevated pressure polysiloxane preparation Withdrawn GB2468952A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0905206.9A GB0905206D0 (en) 2009-03-26 2009-03-26 Preparation of organosiloxane polymers

Publications (2)

Publication Number Publication Date
GB201004534D0 true GB201004534D0 (en) 2010-05-05
GB2468952A GB2468952A (en) 2010-09-29

Family

ID=40671754

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB0905206.9A Ceased GB0905206D0 (en) 2009-03-26 2009-03-26 Preparation of organosiloxane polymers
GB1004534A Withdrawn GB2468952A (en) 2009-03-26 2010-03-18 Elevated pressure polysiloxane preparation

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB0905206.9A Ceased GB0905206D0 (en) 2009-03-26 2009-03-26 Preparation of organosiloxane polymers

Country Status (1)

Country Link
GB (2) GB0905206D0 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7389061B2 (en) 2018-08-24 2023-11-29 ダウ シリコーンズ コーポレーション Method for condensation polymerization of hydroxyl-terminated polydiorganosiloxanes
US11136436B2 (en) 2018-08-24 2021-10-05 Dow Silicones Corporation Method for condensation polymerization of hydroxyl-terminated polydiorganosiloxanes

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB756613A (en) * 1953-06-10 1956-09-05 Union Carbide & Carbon Corp High pressure polymerization of alkylcyclosiloxanes
US2759008A (en) * 1953-06-10 1956-08-14 Union Carbide & Carbon Corp High pressure polymerization of alkylcyclosiloxanes in the presence of an acid catalyst
US2759007A (en) * 1953-06-10 1956-08-14 Union Carbide & Carbon Corp High pressure polymerization of dialkylcyclosiloxanes in the presence of a basic catalyst
FR2588561B1 (en) * 1985-09-25 1987-12-11 Rhone Poulenc Spec Chim PROCESS FOR THE POLYMERIZATION OF POLYDIORGANOSILOXANE OLIGOMERS IN A SUPRA-ATMOSPHERIC PRESSURE FLUID WHICH IS A GAS UNDER NORMAL CONDITIONS

Also Published As

Publication number Publication date
GB0905206D0 (en) 2009-05-13
GB2468952A (en) 2010-09-29

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)