| 摘要 |
A method of preparing film base material consisting of biaxially oriented synthetic linear polyester of highly hydrophobic character is provided which comprises coating as a layer on to a layer-receptive film of linear polyester a solution of or an aqueous latex of (A) A COPOLYMER OF THE TYPE USED TO PREPARE A SUBBING LAYER FOR HYDROPHOBIC FILM BASE MATERIAL AND (B) 1.5 TO 25% BY WEIGHT OF THE COPOLYMER PRESENT OF A COMPOUND WHICH CONTAINS AN ACTIVE METHYLENE GROUP, AND THEN DRYING THE COATED LAYER AND COMPLETING THE ORIENTATION IF IT HAS NOT BEEN FULLY ORIENTED. |
