C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
400/6471, 400/90
C08K 5/00 (2006.01) C08F 279/02 (2006.01) C08K 5/1535 (2006.01) C08K 5/3417 (2006.01) C08L 33/18 (2006.01) C08L 51/04 (2006.01)
Patent
CA 1058795
Abstract of the disclosure Nitrile copolymers and graft copolymers containing a high proportionate amount of olefinic nitrile are stabilized against thermal color degradation by inclusion into the polymer minor amounts of a compound having the formula: Image and/or Image wherein "X" may be oxygen; an imide groups, -NH? or an N-substituted imide group, -NR- wherein "R" may be an alkyl, or a phenyl alkyl group containing from 1 to 8 carbon atoms; "Y" may be an oxygen or a methylene group; and "Z" may be hydrogen or an alkyl group containing from 1 to 8 carbon atoms.
241522
Uebele Curtis E.
Wardlow Eddie (jr.)
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