Biaxially oriented epoxidised fatty acid derivatives containing hydrolysis resistant polyester film and method for production of same and use of same

Biaxially oriented epoxidised fatty acid derivatives containing hydrolysis resistant polyester film and method for production of same and use of same

  • CN 101,899,198 B
  • Filed: 11/11/2009
  • Issued: 07/15/2015
  • Est. Priority Date: 11/11/2008
  • Status: Active Grant
First Claim
Patent Images

1. the polyester film of diaxial orientation, its contain based on described film weighing scale 0.1-5.0 % by weight, based on the hydrolysis stabilizer of epoxidised fatty acid ester, with the epoxidised glycerin fatty acid ester of the weighing scale 0.2-10 % by weight based on described film, described epoxidised fatty acid ester has the molecular-weight average being at least 425g/molWherein, epoxidised fatty acid ester used be greater than the ester that 90 % by weight are formula 2:

  • Formula 2;

    R 4oR 5Wherein, R 4be defined as follows;

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