FR2723954B1 - Procede de production de siloxanes lineaires de faible masse moleculaire. - Google Patents

Procede de production de siloxanes lineaires de faible masse moleculaire.

Info

Publication number
FR2723954B1
FR2723954B1 FR9510040A FR9510040A FR2723954B1 FR 2723954 B1 FR2723954 B1 FR 2723954B1 FR 9510040 A FR9510040 A FR 9510040A FR 9510040 A FR9510040 A FR 9510040A FR 2723954 B1 FR2723954 B1 FR 2723954B1
Authority
FR
France
Prior art keywords
molecular weight
low molecular
producing linear
linear siloxanes
siloxanes
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
FR9510040A
Other languages
English (en)
Other versions
FR2723954A1 (fr
Inventor
John Simon 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
Publication of FR2723954A1 publication Critical patent/FR2723954A1/fr
Application granted granted Critical
Publication of FR2723954B1 publication Critical patent/FR2723954B1/fr
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
    • C08G77/10—Equilibration processes
    • 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
    • C07F7/0834—Compounds having one or more O-Si linkage
    • C07F7/0838—Compounds with one or more Si-O-Si sequences
    • C07F7/0872—Preparation and treatment thereof
    • C07F7/0874—Reactions involving a bond of the Si-O-Si linkage
    • 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
    • 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
    • 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
    • C08G77/12—Polysiloxanes containing silicon bound to hydrogen
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/582—Recycling of unreacted starting or intermediate materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Silicon Polymers (AREA)
FR9510040A 1994-08-25 1995-08-24 Procede de production de siloxanes lineaires de faible masse moleculaire. Expired - Fee Related FR2723954B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/294,808 US5510441A (en) 1993-07-15 1994-08-25 Process for producing octamethyltrisiloxane

Publications (2)

Publication Number Publication Date
FR2723954A1 FR2723954A1 (fr) 1996-03-01
FR2723954B1 true FR2723954B1 (fr) 1996-12-27

Family

ID=23135022

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9510040A Expired - Fee Related FR2723954B1 (fr) 1994-08-25 1995-08-24 Procede de production de siloxanes lineaires de faible masse moleculaire.

Country Status (5)

Country Link
US (2) US5510441A (fr)
JP (1) JPH08109261A (fr)
DE (1) DE19530214B4 (fr)
FR (1) FR2723954B1 (fr)
GB (1) GB2292561B (fr)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6136996A (en) * 1995-12-13 2000-10-24 General Electric Company Catalysts for polycondensation and redistribution of organosiloxane polymers
GB9703554D0 (en) * 1997-02-20 1997-04-09 Dow Corning Polymerisation of cyclosiloxanes
GB9703553D0 (en) * 1997-02-20 1997-04-09 Dow Corning Process for making siloxane compositions
US6143855A (en) 1997-04-21 2000-11-07 Alliedsignal Inc. Organohydridosiloxane resins with high organic content
US6043330A (en) * 1997-04-21 2000-03-28 Alliedsignal Inc. Synthesis of siloxane resins
US6218497B1 (en) 1997-04-21 2001-04-17 Alliedsignal Inc. Organohydridosiloxane resins with low organic content
US6743856B1 (en) 1997-04-21 2004-06-01 Honeywell International Inc. Synthesis of siloxane resins
US5973095A (en) * 1997-04-21 1999-10-26 Alliedsignal, Inc. Synthesis of hydrogensilsesquioxane and organohydridosiloxane resins
GB9727136D0 (en) * 1997-12-24 1998-02-25 Dow Corning Catalyst composition
US6177199B1 (en) 1999-01-07 2001-01-23 Alliedsignal Inc. Dielectric films from organohydridosiloxane resins with low organic content
US6218020B1 (en) 1999-01-07 2001-04-17 Alliedsignal Inc. Dielectric films from organohydridosiloxane resins with high organic content
US6440550B1 (en) 1999-10-18 2002-08-27 Honeywell International Inc. Deposition of fluorosilsesquioxane films
US6472076B1 (en) 1999-10-18 2002-10-29 Honeywell International Inc. Deposition of organosilsesquioxane films
US6294634B1 (en) 2000-03-28 2001-09-25 Dow Corning Corporation Organosilicon compositions from cyclosiloxanes
US6534614B2 (en) * 2001-04-04 2003-03-18 General Electric Company Process for the production of linear organohydrogensiloxanes
DE60314126T2 (de) * 2002-05-01 2008-01-31 Dow Corning Corp., Midland Organowasserstoffsiliziumverbindungen
ATE363518T1 (de) * 2002-05-01 2007-06-15 Dow Corning Zusammensetzungen mit verlängerter verarbeitungszeit
ATE396220T1 (de) * 2002-12-20 2008-06-15 Dow Corning Verzweigte polymere aus organohydrogensilicon- zusammensetzungen
EP1576034B1 (fr) * 2002-12-20 2008-10-08 Dow Corning Corporation Polymeres ramifies a partir de composes d'organo-hydrogene-silicium
JP4684996B2 (ja) * 2003-03-17 2011-05-18 ダウ・コーニング・コーポレイション 向上した高温粘着強度を有する無溶媒シリコーン感圧接着剤
WO2006096775A2 (fr) * 2005-03-07 2006-09-14 Hybrid Plastics, Inc. Methode d'assemblage de monomeres poss
PL374519A1 (pl) * 2005-04-20 2006-10-30 General Electric Company Sposób wytwarzania oligomeru Si-H-funkcyjnego siloksanu
JP5294854B2 (ja) * 2005-07-28 2013-09-18 ダウ・コーニング・コーポレイション 優れた剥離力プロフィールを有する剥離被覆組成物
JP5207627B2 (ja) * 2006-12-27 2013-06-12 東レ・ダウコーニング株式会社 オルガノポリシロキサンの熱安定性を改善する方法およびオルガノポリシロキサン混合物
CN101899157B (zh) * 2010-07-22 2012-06-20 南昌大学 一种mq硅树脂的制备方法
EP2716623A1 (fr) 2012-10-05 2014-04-09 Basf Se Procédé de fabrication de dérivés d'acide de polycarbonate cyclohexane avec part étroite de produits annexes

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2830967A (en) * 1953-01-13 1958-04-15 Wacker Chemie Gmbh Process for polymerizing polyorganosiloxanes with phosphorus-nitrogen compounds
US3186967A (en) * 1961-04-12 1965-06-01 Wacker Chemie Gmbh Method of preparing high molecular weight organosiloxane polymers
US3706775A (en) * 1970-12-17 1972-12-19 Wacker Chemie Gmbh Method of preparing high molecular weight linear organopolysiloxanes
DE2229514C3 (de) * 1972-06-16 1979-01-04 Wacker-Chemie Gmbh, 8000 Muenchen Verfahren zur Förderung von Kondensations- und/oder Äquilibrierungsreaktionen von Organosiliciumverbindungen
US3853934A (en) * 1974-01-14 1974-12-10 Gen Electric Continuous process for producing polysiloxane oils
US4203903A (en) * 1979-05-10 1980-05-20 The Upjohn Company Process for the recovery of spectinomycin
DE3524484A1 (de) * 1985-07-09 1987-01-15 Wacker Chemie Gmbh Verfahren zur herstellung von linearen organopolysiloxanen mit triorganosiloxygruppen als endstaendigen einheiten
DE3711214A1 (de) * 1987-04-03 1988-10-13 Wacker Chemie Gmbh Verfahren zur herstellung von diorganopolysiloxanen mit triorganosiloxygruppen als endstaendigen einheiten
DE3727182A1 (de) * 1987-08-14 1989-02-23 Wacker Chemie Gmbh Herstellung und weiterverarbeitung von mischungen mit einem hohen anteil an organocyclosiloxanen
DE3742068A1 (de) * 1987-12-11 1989-06-22 Wacker Chemie Gmbh Verfahren zur herstellung von in den endstaendigen einheiten je eine si-gebundene hydroxylgruppe aufweisenden diorganopolysiloxanen
DE3742069A1 (de) * 1987-12-11 1989-06-22 Wacker Chemie Gmbh Verfahren zur herstellung von diorganopolysiloxanen mit triorganosiloxygruppen als endstaendigen einheiten
US4831174A (en) * 1987-12-31 1989-05-16 Dow Corning Corporation Production of polydiorganosiloxane fluids with low silanol content
DE3903137A1 (de) * 1989-02-02 1990-08-16 Wacker Chemie Gmbh Phosphornitridchloride enthaltende zusammensetzungen
GB9103656D0 (en) * 1991-02-21 1991-04-10 Dow Corning Sa Catalyst for polymerisation
GB9103666D0 (en) * 1991-02-21 1991-04-10 Dow Corning Sa Method of making organopolysiloxanes
DE4235877A1 (de) * 1992-10-23 1994-04-28 Wacker Chemie Gmbh Verfahren zur Herstellung von Methylpolysiloxanen
US5420221A (en) * 1993-07-15 1995-05-30 General Electric Company Process for the production of linear organosiloxane polymers by disproportionation
US5403909A (en) * 1993-07-15 1995-04-04 General Electric Company Catalysts for polycondensation and redistribution of organosiloxane polymers
US5408025A (en) * 1993-07-15 1995-04-18 General Electric Company Synthesis of low silanol content, triorgano-stopped silicone fluids
JPH07228701A (ja) * 1994-02-18 1995-08-29 Toray Dow Corning Silicone Co Ltd ケイ素原子結合水素原子含有シリコーン樹脂の製造方法

Also Published As

Publication number Publication date
JPH08109261A (ja) 1996-04-30
US5670596A (en) 1997-09-23
DE19530214A1 (de) 1996-02-29
FR2723954A1 (fr) 1996-03-01
DE19530214B4 (de) 2004-01-15
GB9515841D0 (en) 1995-10-04
GB2292561A (en) 1996-02-28
US5510441A (en) 1996-04-23
GB2292561B (en) 1998-04-01

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Legal Events

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ST Notification of lapse

Effective date: 20070430