Process for saturating a fiber mat of open structure

Details Process for saturating a fiber mat of open structure Process for saturating a fiber mat of open structure

1978-06-02

1980-01-22

Smith, John D.

Coating processes

Application to opposite sides of sheet, web, or strip

118 60, 427366, 427379, 427385R, 427390A, 427211, 427381, B05D 312

Patent

active

041851331

ABSTRACT:
Heat curable liquid polyvinylchloride plastisol or organosol resin is coated onto a porous fiber web in an amount sufficient to saturate the web. Liquid resin on one surface of the web is gelled by passing the web around a heated roll which, together with another heated roll, forms a compression nip. The web passes through the nip and around the second heated roll to gell the resin on the other surface of the web, after which the curing of the resin is completed in an oven.

REFERENCES:
patent: 2772181 (1956-11-01), Rogers et al.
patent: 2956917 (1960-10-01), Fasano
patent: 3272643 (1966-09-01), Pasek et al.
patent: 3519460 (1970-07-01), Erb et al.
patent: 3551269 (1970-12-01), Marzocchi
patent: 3554851 (1971-01-01), Modigliani
patent: 3573964 (1971-04-01), Jones
patent: 3694927 (1972-10-01), Sorenson
patent: 3773545 (1973-11-01), Erb et al.
patent: 3968275 (1976-07-01), Dees et al.
patent: 4041197 (1977-08-01), Gagne

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