Process for the manufacture of flat-shaped articles

Details Process for the manufacture of flat-shaped articles Process for the manufacture of flat-shaped articles

1974-05-10

1976-02-03

Lusignan, Michael R.

Coating processes

With post-treatment of coating or coating material

Solvent vapor treatment of coating

427341, 427342, B05D 304, B05D 310

Patent

active

039365441

ABSTRACT:
A process is disclosed for manufacturing flat shaped articles made of individual fibers such as paper, woven fabric, knitted fabric and non-woven fabric impregnated with an aqueous dispersion of a polymeric binder including a sensitizing agent for causing the dispersion to coagulate at a temperature substantially below 100.degree.C. The binder coagulates at a temperature substantially below 100.degree.C. and the method includes impinging live steam on the major surfaces of the article to suddenly coagulate the binder, thereby fixing its position within the fabric and preventing its migration to the fabric's surfaces. One or more adjustable position steam nozzles are used for this purpose.

REFERENCES:
patent: 3437509 (1969-04-01), Coisne
patent: 3476581 (1969-11-01), Weitzel et al.
patent: 3776799 (1973-12-01), Gruber et al.

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