Stock material or miscellaneous articles – Structurally defined web or sheet – Continuous and nonuniform or irregular surface on layer or...
Patent
1996-12-16
1999-10-26
Watkins, III, William P.
Stock material or miscellaneous articles
Structurally defined web or sheet
Continuous and nonuniform or irregular surface on layer or...
28173, 28152, 28156, 28357, 28220, 28409, 28 401, 28 418, 28 422, 604386, 604387, 604390, A61F 1360
Patent
active
059724730
ABSTRACT:
A separator or a packaging material is provided, comprising a thermoplastic plastic film at least one surface of which is a matte surface or an embossed surface having a surface roughness (Ra) of not larger than 1/2 of the thickness of the film. The thermoplastic film may have a release treatment layer on the whole or part of a surface. The separator or packaging material is useful as a separator for pressure-sensitive adhesive articles and disposable articles or as a packaging material for packing foods, pressure-sensitive adhesive articles and sanitary articles. In particular, the separator is suitably used as a separator for a disposable diaper and a sanitary napkin, and also the packaging material is suitably used as a package for a sanitary napkin.
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Derwent Publication No. AN 92-179533; Abstract of JP-A 04-115944.
Arakawa Masaaki
Sakashita Teiji
Nitto Denko Corporation
Watkins III William P.
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