Sheet material having composite fluorochemical-silicone release

Details Sheet material having composite fluorochemical-silicone release Sheet material having composite fluorochemical-silicone release

1978-04-17

1979-10-16

Lesmes, George F.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428352, 428354, 428421, 428447, 427261, B32B 310, B32B 2708

Patent

active

041713974

ABSTRACT:
Sheet materials, such as pressure-sensitive tapes or release liners, are provided with a spectrum of composite coatings having desired release values. The release surfaces, which present both fluorochemical polymer and cured silicone polymer areas, are formed by first applying specific types of fluorochemical polymer and then overcoating with silicone-forming reactants.

REFERENCES:
patent: 3061567 (1962-10-01), Keil
patent: 3318852 (1967-05-01), Dixon
patent: 3503782 (1970-03-01), Ayres
patent: 3957724 (1976-05-01), Schurb et al.
patent: 4039707 (1977-08-01), O'Malley

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