| 摘要 |
<p>There is disclosed a laminate which comprises an outer layer of an opaque, biaxially oriented, polymeric film structure which comprises a voided core layer having an outer and an inner surface and comprising a matrix of a thermoplastic polymeric material in which are dispersed void-initiating solid particles which are phase-distinct from the matrix and about which particles are located opacifying voids; and at least one transparent skin layer adhering to at least the outer surfaces of the voided core layer and comprising a thermoplastic polymeric material, the layer being sufficiently thick substantially to prevent the asperities of the core layer from being manifest; the light transmission of the film structure being less than about 70%; and a substrate web layer directly or indirectly affixed to the inner surface with or without a laminating adhesive.</p> |
