DE69422244D1 - Herstellung und Verarbeitung von Polydiorganosiloxanen - Google Patents

Herstellung und Verarbeitung von Polydiorganosiloxanen

Info

Publication number
DE69422244D1
DE69422244D1 DE69422244T DE69422244T DE69422244D1 DE 69422244 D1 DE69422244 D1 DE 69422244D1 DE 69422244 T DE69422244 T DE 69422244T DE 69422244 T DE69422244 T DE 69422244T DE 69422244 D1 DE69422244 D1 DE 69422244D1
Authority
DE
Germany
Prior art keywords
polydiorganosiloxanes
production
processing
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 - Fee Related
Application number
DE69422244T
Other languages
English (en)
Other versions
DE69422244T2 (de
Inventor
Donald Ken Takahara
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 DE69422244D1 publication Critical patent/DE69422244D1/de
Application granted granted Critical
Publication of DE69422244T2 publication Critical patent/DE69422244T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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

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)
DE69422244T 1993-09-20 1994-09-14 Herstellung und Verarbeitung von Polydiorganosiloxanen Expired - Fee Related DE69422244T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/122,967 US5357016A (en) 1993-09-20 1993-09-20 Preparation and processing of polydiorganosiloxanes

Publications (2)

Publication Number Publication Date
DE69422244D1 true DE69422244D1 (de) 2000-01-27
DE69422244T2 DE69422244T2 (de) 2000-09-07

Family

ID=22405954

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69422244T Expired - Fee Related DE69422244T2 (de) 1993-09-20 1994-09-14 Herstellung und Verarbeitung von Polydiorganosiloxanen

Country Status (4)

Country Link
US (1) US5357016A (de)
EP (1) EP0644221B1 (de)
JP (1) JPH07149900A (de)
DE (1) DE69422244T2 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5616673A (en) * 1995-12-13 1997-04-01 General Electric Company Process for production of low viscosity low silanol content silicone fluids
JP4906207B2 (ja) * 2001-09-28 2012-03-28 東レ・ダウコーニング株式会社 固体酸性酸化ジルコニア触媒を用いたポリオルガノシロキサンの製造方法
DE102005022856A1 (de) * 2005-05-18 2006-11-23 Wacker Chemie Ag Verfahren zur Herstellung von Diorganopolysiloxanen
DE102014211680A1 (de) 2014-06-18 2015-02-26 Evonik Industries Ag Optimierte Verfahren zur Herstellung von Siloxanen unter regenerationsfreier Weiterverwendung der Ionenaustauscherharze
WO2019199818A1 (en) * 2018-04-09 2019-10-17 Dow Silicones Corporation Method of preparing organosiloxane reaction product with treated clay

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4005023A (en) * 1973-06-11 1977-01-25 General Electric Company Silicone fluid useful as a brake fluid
US4599437A (en) * 1984-10-29 1986-07-08 Wacker-Chemie Gmbh Continuous process for varying molecular weight of organopolysiloxanes
DE3727182A1 (de) * 1987-08-14 1989-02-23 Wacker Chemie Gmbh Herstellung und weiterverarbeitung von mischungen mit einem hohen anteil an organocyclosiloxanen
US4831174A (en) * 1987-12-31 1989-05-16 Dow Corning Corporation Production of polydiorganosiloxane fluids with low silanol content

Also Published As

Publication number Publication date
EP0644221B1 (de) 1999-12-22
US5357016A (en) 1994-10-18
EP0644221A2 (de) 1995-03-22
JPH07149900A (ja) 1995-06-13
DE69422244T2 (de) 2000-09-07
EP0644221A3 (de) 1996-01-24

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee