Polyesters, polyurethanes, pressure sensitive adhesives, detergents
公开/公告号:
US4075386 A
公开/公告日期:
Feb 21, 1978
被引量:
摘要:
A security film for shatter-proofing windows comprises a polyurethane stratum interposed between a pair of polyester strata, each of which is self supporting, the film being bonded to the inner face of the window by a pressure sensitive adhesive.
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