C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
400/5155
C08G 67/02 (2006.01) C08L 101/00 (2006.01)
Patent
CA 2028856
(57) Abstract Use of a photodegrading agent comprising a copolymer of one or more vinylidene monomers and carbon monoxide for en- hancing the photodegradablility of a thermoplastic polymer characterised in that the photodegrading agent is a polyketone which is a linear copolymer consisting of units -CO(A')- where (A') is derived from a vinylidene monomer (A) represented by general formula (I), where X is selected from hydrogen and alkyl and Y is selected from hydrogen, alkyl, aryl, cycloalkyl, substituted al- kyl, substituted aryl and substituted cycloalkyl groups.
Davidson Neil S.
Harrison Geoffrey
Wilkinson Kenneth
Bp Chemicals Limited
Fetherstonhaugh & Co.
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