Oil-free elastomeric poly(aryloxyphosphazene) copolymers and...

Details Oil-free elastomeric poly(aryloxyphosphazene) copolymers and... Oil-free elastomeric poly(aryloxyphosphazene) copolymers and...

C - Chemistry, Metallurgy

08

G

400/1, 402/355,

C08G 79/14 (2006.01) C08G 79/02 (2006.01) C08J 9/10 (2006.01) C08L 85/02 (2006.01) H01B 3/30 (2006.01)

Patent

CA 1146696

Abstract of the Disclosure Poly(aryloxyphosphazene) copolymers are prepared having randomly repeating units represented by the formula: Image wherein R and R1 may be the same or different and are selected from the group consisting of monovalent aryl radicals and substituted aryl radicals having the structure: Image wherein X is a substituent selected from the group consisting of alkyl, alkoxy, aryl, aryloxy, amino and halogen substituted on any sterically permissible position on the phenyl group; and wherein the amount of C1 present in the form of P-Cl bonds is from about 0.4 percent to about 10 percent by weight based upon the total weight of copolymer. The copolymers may contain minor proportions of randomly distributed units in addition to the repeating units described above, these additional units containing reactive sites enabling the properties of the copolymers to be modified by crosslinking and/or curing.

328738

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