Thermal stabilization of carbon monoxide copolymers

Details Thermal stabilization of carbon monoxide copolymers Thermal stabilization of carbon monoxide copolymers

C - Chemistry, Metallurgy

08

L

400/7302

C08L 73/00 (2006.01) C08K 5/13 (2006.01) C08K 5/18 (2006.01) C08K 5/20 (2006.01) C08K 5/25 (2006.01) C08K 5/3477 (2006.01) C08K 5/372 (2006.01)

Patent

CA 1340630

Stabilized copolymer compositions comprising an alternating copolymer of carbon monoxide and an olefinically unsaturated compound and from 0.03 to 3.0 %w of a sterically hindered phenolic (blend) compound selected from: 1) bis- and tris-phenolic alkanes, 2) tris-phenolic (alkyl)benzenes, 3 tris-phenolic cyanurates, 4) symmectrical diesters of hydroxyphenyl substituted aliphatic monocarboxylic acids and N,N'-bis(hydroxy- alkyl)oxalamide, 5) blends comprising on the one hand specific defined phenolic compounds, and on the other hand aromatic amines and/or compounds of general formula R100C-(CH2)p-S-(CH2)q-COOR2 in which p, q, R1 and R2 have defined meanings.

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