Patent ID: 8277710
Filing Date: 2012-10-02
Classification: B29C,C08J,C08K,C08L,H01B,H01G,Y02A

Abstract:
1. A biaxially oriented polyester film comprising 0.1-5.0% by weight based on the weight of the film, of a hydrolysis stabilizer based on epoxidized fatty acid esters and 0.2-10% by weight, based on the weight of the film, of epoxidized fatty acid glycerides, said epoxidized fatty acid esters having a mean molecular weight of at least 425 g/mol, wherein more than 90% by weight of the epoxidized fatty acid esters are esters of the formula 2: where R where R p =1-40 q =0-10 r 0-4 and the individual methylene (CH the R where s =0-50 R