Bilayer substrate

Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond

Patent

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Details

427 35, 428284, 428343, 428354, 428447, 428451, B32B 2734

Patent

active

046968547

ABSTRACT:
Porous bilayer non-woven substrates with an organic polymer on one side and a cured silicone resin on the other side. When the substrate is coated on the organic polymer side with a hydrophilic natural or synthetic pressure sensitive adhesive, a tape is produced that can be wound upon itself.

REFERENCES:
patent: 3485661 (1969-12-01), Campbell et al.
patent: 4331727 (1982-05-01), Maas

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