Patent ID: 9637588
Date: 2017-05-02
CPC Classifications: C08G,C08J,C08L,C09D,D01F,D10B

Claim:
1. A film comprising a copolyester wherein said copolyester consists of repeating units derived from an aliphatic glycol, an aromatic dicarboxylic acid, and a comonomer (M) according to formula (I): wherein n=2, 3 or 4, and wherein comonomer (M) constitutes a proportion of the glycol fraction of the copolyester, wherein the comonomer (M) is present in a range of from 1 to 18 mol % of the glycol fraction of the copolyester, wherein the glycol fraction of the copolyester consists of comonomer (M) and one or more aliphatic glycol(s) selected from C