Biodegradable plastic food service items

Details Biodegradable plastic food service items Biodegradable plastic food service items

C - Chemistry, Metallurgy

09

D

C09D 167/04 (2006.01) A47G 21/00 (2006.01) D21H 19/28 (2006.01)

Patent

CA 2393471

A food service item comprises a biodegradable polyhydroxyalkanoate copolymer comprising two randomly repeating monomer units wherein the first randomly repeating monomer unit has the structure (i) wherein R1 is H or a C1-2 alkyl, and n is 1 or 2; and the second randomly repeating monomer unit has the structure (ii) wherein R2 is a C3-19 alkyl or a C3-19 alkenyl. At least about 50 % of the randomly repeating monomer units have the structure of the first randomly repeating monomer unit.

L'invention concerne un article de restauration comprenant un copolymère polyhydroxyalkanoate biodégradable contenant deux motifs monomères se répétant de manière aléatoire. Le premier motif monomère présente la structure (i) dans laquelle R<1> est H ou un alkyle C1-2, et n et 1 ou 2; et le second motif monomère présente la structure (ii) dans laquelle R<2> est un alkyle C3-19 ou un alcényle C3-19. Au moins environ 50 % des motifs monomères se répétant de manière aléatoire présentent la structure du premier motif se répétant de manière aléatoire.

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