Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1973-08-01
1977-08-30
McCamish, Marion E.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
428107, 428201, 428209, 428457, 428461, 428462, 428467, 428484, 428497, 428500, 428515, 428523, B32B 300, B32B 714
Patent
active
040456072
ABSTRACT:
A cable shielding tape comprising a metallic strip such as aluminum and a tightly adhering layer of an adhesive copolymer of an .alpha.-olefin such as ethylene and an .alpha.,.beta.-ethylenically unsaturated carboxylic acid such as acrylic acid is provided with zones of reduced adhesion between the metallic strip and the copolymer layer by means of a latent adhesive such as poly(vinyl acetate) or by means of a fugitive release agent such as oleic acid disposed in prescribed areas between the adhesive copolymer layer and the metallic strip. The latent adhesive material has delayed tack properties such that its adhesion to the metallic strip can be increased by the application of heat. The fugitive release agent is of a type which will become absorbed by the adhesive copolymer such that the adhesion of the adhesive copolymer to the metallic strip can be increased by the application of heat.
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patent: 3138897 (1964-06-01), McCarkle
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patent: 3325589 (1967-06-01), Mildner
patent: 3338739 (1967-08-01), Rees
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patent: 3402086 (1968-09-01), Smith et al.
patent: 3464842 (1969-09-01), Jackstadt
patent: 3600468 (1971-08-01), Bohme
patent: 3770570 (1973-11-01), Swearingen et al.
Sheptak Nicholas
Swearingen Charles C.
Brookens Ronald G.
McCamish Marion E.
The Dow Chemical Company
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