Color stabilization of nitrile containing polymers with...

Details Color stabilization of nitrile containing polymers with... Color stabilization of nitrile containing polymers with...

C - Chemistry, Metallurgy

08

K

400/6471, 400/90

C08K 5/09 (2006.01) C08F 279/02 (2006.01) C08K 5/57 (2006.01) C08L 33/18 (2006.01) C08L 51/04 (2006.01)

Patent

CA 1061041

ABSTRACT OF THE DISCLOSURE Stabilization of copolymers and graft copolymers containing a high proportionate amount of olefinic nitrile against thermal discoloration is disclosed. The stabilization is accomplished by inclusion into the polymer minor amounts of an organotin maleate compound of the formula: (R2SnC4H2O4) x wherein x is an integer of from 1 to 4 R is an alkyl of from 2 to 12 carbon atoms; and R2Sn(C4 H2O4R')2 wherein R is defined as above and R' is an alkyl of 4 to 14 carbon atoms.

231226

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