发明授权
US3991002A Primer for oily surfaces 失效
用于油性表面的底漆

Primer for oily surfaces
摘要:
Oily or other difficultly adherable surfaces are rendered receptive to pressure-sensitive adhesives when sprayed or coated with an organic solvent solution or dispersion of certain rubbery block copolymers and an unusually large amount of thermoplastic resin, preferably a blend in which at least one resin is compatible with each block of the copolymer.
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