Bilayer substrate

Details Bilayer substrate Bilayer substrate

1986-10-06

1987-09-29

Bell, James J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

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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