BE813562A - Procede pour imposer le poids moleculaire - Google Patents

Procede pour imposer le poids moleculaire

Info

Publication number
BE813562A
BE813562A BE143069A BE143069A BE813562A BE 813562 A BE813562 A BE 813562A BE 143069 A BE143069 A BE 143069A BE 143069 A BE143069 A BE 143069A BE 813562 A BE813562 A BE 813562A
Authority
BE
Belgium
Prior art keywords
imposing
molecular weight
molecular
weight
Prior art date
Application number
BE143069A
Other languages
English (en)
French (fr)
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 filed Critical
Publication of BE813562A publication Critical patent/BE813562A/xx

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
    • C01B21/0986—Phosphonitrilic dichlorides; Polymers thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
BE143069A 1973-04-11 1974-04-10 Procede pour imposer le poids moleculaire BE813562A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US350219A US3917802A (en) 1973-04-11 1973-04-11 Molecular weight control in (NPCl{11 ){11 {11 polymerization

Publications (1)

Publication Number Publication Date
BE813562A true BE813562A (fr) 1974-07-31

Family

ID=23375737

Family Applications (1)

Application Number Title Priority Date Filing Date
BE143069A BE813562A (fr) 1973-04-11 1974-04-10 Procede pour imposer le poids moleculaire

Country Status (9)

Country Link
US (1) US3917802A (xx)
JP (1) JPS5421837B2 (xx)
BE (1) BE813562A (xx)
CA (1) CA1020726A (xx)
DE (1) DE2417363C2 (xx)
FR (1) FR2225475B1 (xx)
GB (1) GB1445224A (xx)
IT (1) IT1006420B (xx)
NL (1) NL7404870A (xx)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1039783B (it) * 1975-07-11 1979-12-10 Snia Viscosa Metodo perfezionato per la produzione di fibre cellulosiche ad alta resistenza alla combustio ne e fibre e prodotti tessili otenuti secondo il detto metodo
CA1086024A (en) * 1975-08-22 1980-09-23 Dennis L. Snyder Catalysis of cyclic polydichlorophosphazene compounds using lewis acid compounds as catalysts
CA1105477A (en) * 1976-03-22 1981-07-21 Edwin J. Quinn Structurally regulated polyphosphazene copolymers
US4110421A (en) * 1976-10-12 1978-08-29 Armstrong Cork Company Catalytic process for the preparation of phosphazene polymers
US4175113A (en) * 1978-04-20 1979-11-20 The Firestone Tire & Rubber Company Purification of crude chlorophosphazene compounds by treatment with water
IL95939A0 (en) * 1989-10-20 1991-07-18 Atochem Process for compensating the harmful effects of impurities of n-dichlorophosphoryltrichlorophosphazene and its polycondensation product
FR2681061B1 (fr) * 1991-09-11 1993-11-19 Atochem Procede de preparation de polydichlorophosphazenes a partir d'une composition precurseur a base d'hexachlorocyclotriphosphazene.
US5869016A (en) * 1997-06-18 1999-02-09 Virus Research Institute, Inc. Production of polyorganophosphazenes having desired molecular weights

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB883587A (en) * 1957-09-06 1961-11-29 Albright & Wilson Mfg Ltd Production of phosphonitrilic polymers
US3370020A (en) * 1964-09-29 1968-02-20 American Cyanamid Co Process for the production of phosphonitrilic polymers and polymers produced thereby
US3443913A (en) * 1967-10-12 1969-05-13 Grace W R & Co Process for preparing high molecular weight linear phosphonitrilic polymers

Also Published As

Publication number Publication date
CA1020726A (en) 1977-11-15
USB350219I5 (xx) 1975-01-28
NL7404870A (xx) 1974-10-15
US3917802A (en) 1975-11-04
GB1445224A (en) 1976-08-04
JPS5421837B2 (xx) 1979-08-02
FR2225475A1 (xx) 1974-11-08
FR2225475B1 (xx) 1978-11-17
IT1006420B (it) 1976-09-30
DE2417363A1 (de) 1974-10-24
AU6768974A (en) 1975-10-09
JPS5052200A (xx) 1975-05-09
DE2417363C2 (de) 1985-03-07

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: THE FIRESTONE TIRE RUBBER CY

Effective date: 19930430