Process for converting composite imitation leather into sheet ma

Details Process for converting composite imitation leather into sheet ma Process for converting composite imitation leather into sheet ma

1992-03-16

1994-03-01

Padgett, Marianne

Coating processes

Rumbling or tumbling

427262, 427264, 427412, B05D 312, B05D 136

Patent

active

052905934

ABSTRACT:
A process for producing a sheet material similar in appearance to but cheaper and of inferior quality as compared with natural leather. A low-cost, poor-quality imitation leather, consisting of a composite sheet material having a polymer matrix with natural or synthetic fibers, is subjected to the same finish process applied in the tanning industry, which process consists in spraying and drying the exposed surfaces of the composite material, in successive stages, with hot-curing plastic dye resins, which are applied in a water or solvent mixture to which wax, pigments and/or metallized azoic dyes may be added; in hot calendering the material using engraved or smooth cylinders or plates; and, if necessary, in fulling the material in rotary drums.

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patent: 4983245 (1991-01-01), Schaefer

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