Patent ID: 6235374
Filing Date: 2001-05-22
Classification: B32B,C08J,Y10T

Abstract:
A polyester film for a decorative sheet wherein said sheet comprises a picture-printed layer (B) and said polyester film (A) laminated on a substrate,said polyester film containing a color pigment in an amount of 0.1 to 30 weight % based on the weight of said polyester (A), andsaid polyester film having a color tone which satisfies the color difference .DELTA.E* between said polyester film (A) and the picture-printed layer (B), which is represented by the following formula (1), of not more than 40..DELTA.E*={(L*A-L*B).sup.2 +(a*A-a*B).sup.2 +(b*A-b*B).sup.2 }.sup.1/2 (1)wherein L*A, a*A and b*A represent color tone values of the polyester film (A) in CIELAB color determination system; and L*B, a*B and b*B represent color tone values of the picture-printed layer (B) in CIELAB color determination system.