Thionyl phosphazene polymers

Details Thionyl phosphazene polymers Thionyl phosphazene polymers

1992-03-10

1993-08-31

Welsh, Maurice J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

528377, C08G 7300

Patent

active

052410170

ABSTRACT:
The new thionyl phosphazene polymers, which contain recurring structural units corresponding to the following formula ##STR1## are prepared by ring-opening polymerization of cyclothionyl chlorophosphazene corresponding to the following formula ##STR2## at temperatures of 100.degree. to 300.degree. C. in the presence of an inert organic solvent and reaction of the polymer thus obtained, which corresponds to the following formula ##STR3## with salts corresponding to the following formula

REFERENCES:
patent: 4440921 (1984-04-01), Allcock et al.
Journal of the American Chemical Society, Bd. 113, Nr. 10, (1991), pp. 4044-4045, M. Liang and I. Manners, "Poly(thionylphosphazenes): A New Class of Inorganic Polymers with Skeletal Phosphorus, Nitrogen, and Sulfur (6) Atoms".
Journal of the American Chemical Society, Bd. 112, Nr. 3, (1990), pp. 1268-1269, J. A. Dodge et al., "Poly(thiophosphazenes): New Inorganic Macromolecules with Backbones Composed of Phosphorus, Nitrogen, and Sulfur Atoms".
Makromol. Chem. Rapid Commun., Bd. 12, Nr. 11, (1991), pp. 613-616, M. Liang and I. Manners, "Poly(thionylphosphazenes) with fluorine substituents at sulfur: A new class of inorganic fluoropolymers".
Polym. Prepr. (Am. Chem. Soc., Div. Polym. Chem.), Bd. 32, Nr. 3, (1991), pp. 487-488, M. Liang et al., "Poly(thionylphosphazenes): A New Class of Inorganic Polymers with Skeletal Phosphorus, Nitrogen, and Sulfur (6) Atoms".

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