DE2962766D1 - A process for thermally polymerizing cyclic phosphazenes - Google Patents

A process for thermally polymerizing cyclic phosphazenes

Info

Publication number
DE2962766D1
DE2962766D1 DE7979100883T DE2962766T DE2962766D1 DE 2962766 D1 DE2962766 D1 DE 2962766D1 DE 7979100883 T DE7979100883 T DE 7979100883T DE 2962766 T DE2962766 T DE 2962766T DE 2962766 D1 DE2962766 D1 DE 2962766D1
Authority
DE
Germany
Prior art keywords
thermally polymerizing
polymerizing cyclic
cyclic phosphazenes
phosphazenes
thermally
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
DE7979100883T
Other languages
English (en)
Inventor
Dennis Laverne Snyder
Jung Wong Kang
John William Fieldhouse
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.)
Bridgestone Firestone Inc
Original Assignee
Firestone Tire and Rubber 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 Firestone Tire and Rubber Co filed Critical Firestone Tire and Rubber Co
Application granted granted Critical
Publication of DE2962766D1 publication Critical patent/DE2962766D1/de
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C01B21/098—Phosphonitrilic dihalides; Polymers thereof
    • 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
    • C01B21/098—Phosphonitrilic dihalides; Polymers thereof
    • C01B21/0986—Phosphonitrilic dichlorides; Polymers thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
DE7979100883T 1978-04-20 1979-03-23 A process for thermally polymerizing cyclic phosphazenes Expired DE2962766D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US89800778A 1978-04-20 1978-04-20

Publications (1)

Publication Number Publication Date
DE2962766D1 true DE2962766D1 (en) 1982-07-01

Family

ID=25408788

Family Applications (1)

Application Number Title Priority Date Filing Date
DE7979100883T Expired DE2962766D1 (en) 1978-04-20 1979-03-23 A process for thermally polymerizing cyclic phosphazenes

Country Status (4)

Country Link
EP (1) EP0004877B1 (de)
JP (1) JPS5516076A (de)
AU (1) AU523868B2 (de)
DE (1) DE2962766D1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55123624A (en) * 1979-03-16 1980-09-24 Otsuka Chem Co Ltd Production of phosphagene polymer
US4412053A (en) * 1981-02-09 1983-10-25 Neilson Robert H Polyphosphazene compounds and method of preparation
US4708858A (en) * 1985-04-17 1987-11-24 The Dow Chemical Company Polymerization of cyclic dihalophosphazene oligomers
EP2314259B1 (de) 2003-03-14 2015-07-29 Depuy Spine, Inc. Hydraulische Vorrichtung zur Knochenzementeinspritzung bei perkutaner Vertebroplastie

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4080432A (en) * 1975-08-22 1978-03-21 The Firestone Tire & Rubber Company Dissolution of polydihalophosphazenes
CA1086024A (en) * 1975-08-22 1980-09-23 Dennis L. Snyder Catalysis of cyclic polydichlorophosphazene compounds using lewis acid compounds as catalysts
US4116891A (en) * 1976-12-06 1978-09-26 Armstrong Cork Company Catalytic process for the preparation of phosphazene polymers
CA1109636A (en) * 1977-04-18 1981-09-29 Mark S. Prichard Metal salt catalyzed polymerization of (npcl.sub.2) oligomers

Also Published As

Publication number Publication date
EP0004877A1 (de) 1979-10-31
JPS5516076A (en) 1980-02-04
AU523868B2 (en) 1982-08-19
EP0004877B1 (de) 1982-05-12
AU4602979A (en) 1979-10-25

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee