Degradable multilayered structures

Details Degradable multilayered structures Degradable multilayered structures

C - Chemistry, Metallurgy

08

L

C08L 23/10 (2006.01) A61L 15/24 (2006.01) B32B 27/32 (2006.01) C08K 5/00 (2006.01) C08K 5/09 (2006.01)

Patent

CA 2125572

2125572 9311941 PCTABS00022 The invention provides a compostable thermoplastic polymer composition comprising a thermoplastic polymer, a transition metal salt selected from cobalt, manganese, copper, cerium, vanadium and iron, and a fatty acid or ester having 10 to 22 carbon atoms providing unsaturated species and free acid. The composition will oxidatively degrade to an embrittled state within at least 14 days at 60 ·C and a relative humidity of at least eighty percent. The invention also provides degradable multilayered polyolefin structures incorporating a transition metal in the form of a salt, degradable and compostable multilayered barrier films, degradable, radiation-resistant compositions and articles, and methods of forming and using such compositions, structures and articles.

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