Patent ID: 6613411
Filing Date: 2003-09-02
Classification: B44C,C08L,C09J,Y10T

Abstract:
A multi-layer sheet material comprising(i) a film of a polyester blend comprising a first and a second polyester, said polyesters being substantially amorphous, such that the film is capable of being softened at temperature in the range of about 40 to about 80Â° C. and exhibits a E-modulus in the range of 70 to 1000 N/mm2 at room temperature, an elongation at break greater than 50% at room temperature and percent residual stress at 60Â° C. less than 40%, said film having a first major surface and a second major surface; (ii) an adhesive layer on the first major surface of the film; and (iii) optionally, a release liner.