Cling/no cling-slip stretch wrap film

Stock material or miscellaneous articles – Composite – Of polyisocyanurate

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Details

4284744, 4284755, 4284761, 428516, 428520, B32B 2708, B32B 2732, B32B 2734

Patent

active

048205893

ABSTRACT:
A stretch wrap film having one-sided cling of a thermoplastic A/B layer film structure wherein layer A in its stretched condition has a comparatively high cling force to layer B and layer B has at least substantially no cling force to a layer of itself and has a slide property when layer B is in contact with a layer of itself with relative motion therebetween and the surface of layer B presents sufficient area of an organic polymer which of its very nature causes the no cling force and the slide property.

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patent: 4367256 (1983-01-01), Biel
patent: 4399180 (1983-08-01), Briggs et al.
patent: 4518654 (1985-05-01), Eichbauer et al.

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