ES2046103A1 - Catalizador para polimerizacion de organosiloxanos. - Google Patents

Catalizador para polimerizacion de organosiloxanos.

Info

Publication number
ES2046103A1
ES2046103A1 ES9200289A ES9200289A ES2046103A1 ES 2046103 A1 ES2046103 A1 ES 2046103A1 ES 9200289 A ES9200289 A ES 9200289A ES 9200289 A ES9200289 A ES 9200289A ES 2046103 A1 ES2046103 A1 ES 2046103A1
Authority
ES
Spain
Prior art keywords
phosphonitrile halide
polymerisation catalysts
halide adducts
phosphonitrile
adducts
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
ES9200289A
Other languages
English (en)
Other versions
ES2046103B1 (es
Inventor
Gilson
Habimana
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 Belgium SPRL
Original Assignee
Dow Corning SA
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 SA filed Critical Dow Corning SA
Publication of ES2046103A1 publication Critical patent/ES2046103A1/es
Application granted granted Critical
Publication of ES2046103B1 publication Critical patent/ES2046103B1/es
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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/082—Compounds containing nitrogen and non-metals and optionally metals
    • C01B21/097—Compounds containing nitrogen and non-metals and optionally metals containing phosphorus atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Inorganic Chemistry (AREA)
  • Silicon Polymers (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)

Abstract

CATALIZADOR PARA POLIMERIZACION DE ORGANOSILOXANOS A BASE DE UN HALURO DE FOSFONITRILO Y QUE TIENE LA FORMULA GENERAL (X(PX2=N)NPX3)+ (MX(V-T+1)RT)-, EN LA QUE X ES HALOGENO, M ES UN ELEMENTO CON UNA ELE CTRONEGATIVIDAD DE 1,0 A 2,0, R ES ALQUILO C1-12, N ES 1 A 6, V ES LA VALEN CIA O ESTADO DE OXIDACION DE M Y T TIENE UN VALOR QUE VA DESDE 0 A V-1. ESTE CATALIZADOR SE PREPARA HACIENDO REACCIONAR UN PENTAHALURO DE FOSFORO, UN HALURO DE AMONIO Y UN ACIDO DE LEWIS BASADO EN EL ELEMENTO M. EL CATALIZADOR SE PUEDE UTILIZADOR SOLO O MEZCLADO CON UN DISOLVENTE, VEHICULO O SOPORTE APROPIADO.
ES09200289A 1991-02-21 1992-02-12 Catalizador para polimerizacion de organosiloxanos. Expired - Fee Related ES2046103B1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB919103656A GB9103656D0 (en) 1991-02-21 1991-02-21 Catalyst for polymerisation

Publications (2)

Publication Number Publication Date
ES2046103A1 true ES2046103A1 (es) 1994-01-16
ES2046103B1 ES2046103B1 (es) 1994-08-01

Family

ID=10690358

Family Applications (1)

Application Number Title Priority Date Filing Date
ES09200289A Expired - Fee Related ES2046103B1 (es) 1991-02-21 1992-02-12 Catalizador para polimerizacion de organosiloxanos.

Country Status (10)

Country Link
JP (1) JP3207905B2 (es)
KR (1) KR100239611B1 (es)
AU (1) AU1108092A (es)
CA (1) CA2061006A1 (es)
DE (1) DE4205200A1 (es)
ES (1) ES2046103B1 (es)
FR (1) FR2676063B1 (es)
GB (2) GB9103656D0 (es)
IT (1) IT1256673B (es)
NL (1) NL9200225A (es)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4317909A1 (de) * 1993-05-28 1994-12-01 Wacker Chemie Gmbh Verfahren zum Kondensieren und/oder Äquilibrieren von Organosiliciumverbindungen
DE4323185C1 (de) * 1993-07-10 1995-01-19 Nuenchritz Chemie Gmbh Verfahren zur Herstellung von Polyorganosiloxanen
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
US5510441A (en) * 1993-07-15 1996-04-23 General Electric Company Process for producing octamethyltrisiloxane
US6136996A (en) 1995-12-13 2000-10-24 General Electric Company Catalysts for polycondensation and redistribution of organosiloxane polymers
US5698654A (en) * 1996-07-30 1997-12-16 General Electric Company Process for preparing hydrogen siloxane copolymers
US5753751A (en) * 1996-10-24 1998-05-19 General Electric Company Process for preparing self-curable alkenyl hydride siloxane copolymers and coating composition
GB9727136D0 (en) * 1997-12-24 1998-02-25 Dow Corning Catalyst composition
US6040412A (en) * 1998-10-14 2000-03-21 Dow Corning S.A. Process for preparing chain-extended organopolysiloxanes
GB9827069D0 (en) 1998-12-09 1999-02-03 Dow Corning Polymerisation catalyst

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3449091A (en) * 1967-01-27 1969-06-10 Du Pont Halide-modified phosphonitrilic chlorides
US3549680A (en) * 1967-01-04 1970-12-22 Wacker Chemie Gmbh Method of preparing organo-halogenosilicon compounds
ES371841A1 (es) * 1968-09-25 1971-11-16 Wacker Chemie Gmbh Procedimiento para la preparacion de elastomeros de organo-polisiloxanos.
US3706775A (en) * 1970-12-17 1972-12-19 Wacker Chemie Gmbh Method of preparing high molecular weight linear organopolysiloxanes
US4888405A (en) * 1987-08-14 1989-12-19 Wacker-Chemie Gmbh Preparation and processing of mixtures containers organocyclosiloxanes
EP0382367A2 (en) * 1989-02-09 1990-08-16 Dow Corning Limited Process for the production of organosilicon compounds

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1242405A (en) * 1967-10-12 1971-08-11 Grace W R & Co Adducts of linear phosphonitrilic chloride polymers
GB1436352A (en) * 1972-03-06 1976-05-19 Fmc Corp Oligometric phosphazene derivatives having flame-retardant properties
JPS5819604B2 (ja) * 1978-05-04 1983-04-19 大塚化学薬品株式会社 ホスフアゼンオリゴマ−の製造法
US4293675A (en) * 1980-02-26 1981-10-06 Minnesota Mining And Manufacturing Company Antimony halide-organic phosphonate ester cationic polymerization catalysts
DE3524484A1 (de) * 1985-07-09 1987-01-15 Wacker Chemie Gmbh Verfahren zur herstellung von linearen organopolysiloxanen mit triorganosiloxygruppen als endstaendigen einheiten
DE3725377A1 (de) * 1987-07-31 1989-02-09 Wacker Chemie Gmbh Verfahren zum kondensieren und/oder aequilibrieren von organo(poly)siloxanen

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3549680A (en) * 1967-01-04 1970-12-22 Wacker Chemie Gmbh Method of preparing organo-halogenosilicon compounds
US3449091A (en) * 1967-01-27 1969-06-10 Du Pont Halide-modified phosphonitrilic chlorides
ES371841A1 (es) * 1968-09-25 1971-11-16 Wacker Chemie Gmbh Procedimiento para la preparacion de elastomeros de organo-polisiloxanos.
US3706775A (en) * 1970-12-17 1972-12-19 Wacker Chemie Gmbh Method of preparing high molecular weight linear organopolysiloxanes
US4888405A (en) * 1987-08-14 1989-12-19 Wacker-Chemie Gmbh Preparation and processing of mixtures containers organocyclosiloxanes
EP0382367A2 (en) * 1989-02-09 1990-08-16 Dow Corning Limited Process for the production of organosilicon compounds

Also Published As

Publication number Publication date
ES2046103B1 (es) 1994-08-01
GB9103656D0 (en) 1991-04-10
AU1108092A (en) 1992-08-27
CA2061006A1 (en) 1992-08-22
KR920016472A (ko) 1992-09-24
NL9200225A (nl) 1992-09-16
JP3207905B2 (ja) 2001-09-10
DE4205200A1 (de) 1992-08-27
FR2676063B1 (fr) 1993-10-01
ITTO920135A1 (it) 1993-08-20
IT1256673B (it) 1995-12-12
JPH04328128A (ja) 1992-11-17
GB2252969A (en) 1992-08-26
FR2676063A1 (fr) 1992-11-06
ITTO920135A0 (it) 1992-02-20
KR100239611B1 (ko) 2000-01-15
GB9203217D0 (en) 1992-04-01

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20040916