IT1006420B - Procedimento di polimerizzazione di clorociclofosfazeni - Google Patents

Procedimento di polimerizzazione di clorociclofosfazeni

Info

Publication number: IT1006420B
Authority: IT; Italy
Prior art keywords: chlorocyclophosphazen; polymerization; procedure
Prior art date: 1973-04-11

Application number

IT21264/74A

Other languages

English (en)

Original Assignee

Horizons Research Inc

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.)

1973-04-11

Filing date

1974-04-11

Publication date

1976-09-30

1974-04-11 Application filed by Horizons Research Inc filed Critical Horizons Research Inc

1976-09-30 Application granted granted Critical

1976-09-30 Publication of IT1006420B publication Critical patent/IT1006420B/it

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)

IT21264/74A 1973-04-11 1974-04-11 Procedimento di polimerizzazione di clorociclofosfazeni IT1006420B (it)

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
IT1006420B true IT1006420B (it)	1976-09-30

Family

ID=23375737

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT21264/74A IT1006420B (it)	1973-04-11	1974-04-11	Procedimento di polimerizzazione di clorociclofosfazeni

Country Status (9)

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

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
NL173509C (nl) *	1975-08-22	1984-02-01	Firestone Tire & Rubber Co	Werkwijze voor het polymeriseren van cyclische fosfazenen.
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

1973
- 1973-04-11 US US350219A patent/US3917802A/en not_active Expired - Lifetime
1974
- 1974-04-09 DE DE2417363A patent/DE2417363C2/de not_active Expired
- 1974-04-10 JP JP4067174A patent/JPS5421837B2/ja not_active Expired
- 1974-04-10 NL NL7404870A patent/NL7404870A/xx not_active Application Discontinuation
- 1974-04-10 GB GB1590174A patent/GB1445224A/en not_active Expired
- 1974-04-10 BE BE143069A patent/BE813562A/xx not_active IP Right Cessation
- 1974-04-10 FR FR7412617A patent/FR2225475B1/fr not_active Expired
- 1974-04-10 CA CA197,302A patent/CA1020726A/en not_active Expired
- 1974-04-11 IT IT21264/74A patent/IT1006420B/it active

Also Published As

Publication number	Publication date
NL7404870A (it)	1974-10-15
FR2225475B1 (it)	1978-11-17
US3917802A (en)	1975-11-04
DE2417363C2 (de)	1985-03-07
JPS5421837B2 (it)	1979-08-02
DE2417363A1 (de)	1974-10-24
GB1445224A (en)	1976-08-04
AU6768974A (en)	1975-10-09
USB350219I5 (it)	1975-01-28
JPS5052200A (it)	1975-05-09
FR2225475A1 (it)	1974-11-08
BE813562A (fr)	1974-07-31
CA1020726A (en)	1977-11-15

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