Phosphazene modified amine terminated polymers and method

Details Phosphazene modified amine terminated polymers and method Phosphazene modified amine terminated polymers and method

1984-07-09

1985-08-13

Anderson, Harold D.

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

Synthetic resins

From carboxylic acid or derivative thereof

528271, 528332, 528336, 528337, 528363, 528392, 528399, C08G 6926

Patent

active

045351473

ABSTRACT:
A reaction product of a phosphazene and an amine terminated reactive liquid polymer. The phosphazene and the reactive liquid polymer are combined under agitation to produce a cured, cross-linked, reactive liquid polymer including bonded phosphazene groups providing a desirable elastomeric performance over a broad range of temperatures including temperatures substantially below freezing.

REFERENCES:
patent: 4260700 (1981-04-01), Cassutt et al.
Product literature, HYCAR Elastomers B. F. Goodrich Co., 1976.
Phosphonitrilic Chloride as Activator of Carboxylic Acids, Caglioti et al, "Jur. of Organic Chem." vol. 53, No. 7, pp. 2979-2981, (1968).
Crosslinking of Hydroxyl-Terminated Liquid Polybutadiene with Trimers and Tetramers of Phosphonitrilic Chloride, Yamashita, et al., "Nippon Gomu Kyokaishi", vol. 50, No. 3, pp. 204-208, (1977).

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