| 摘要 |
The film comprises a supple carrier film, a top layer consisting of a vinyl polymer, and an adhesion aid comprising a mixture of (a) a polymer of a cpd. of formula H2C=CXa wherein X is Cl or F, and A is H or X; (b) an org. cpd. with at least 2 isocyanate groups, the -N=C=O content of the mixture being at least 0.1 wt.% with respect to solids; and (c) a reaction product having terminal hydroxyl-groups, of a linear polyester with terminal hydroxyl-groups, and an org. diisocyanate, component (c) being present in an amount such that there are more than 60 pbw. thereof for every 40 pbw. of (a). |
