Method for manufacturing suede-like artificial leathers

Details Method for manufacturing suede-like artificial leathers Method for manufacturing suede-like artificial leathers

1977-11-25

1979-08-28

Kendell, Lorraine T.

Textiles: manufacturing

Textile product fabrication or treatment

Of thread interlaced article or fabric

264147, 264171, 428 91, 428904, B29H 718

Patent

active

041655567

ABSTRACT:
Natural suede-like artificial leathers are manufactured by subjecting pile fibrous structures wherein at least the pile portion is composed of separatable composite filaments made by bonding different polymers having mutual low adhesive affinity with each other, the cross-section of which is constituted of a radial segment (A) and segments (B) complementing the radial segment or a radial segment (A), segments (B') corresponding to said radial segment and having wedge-shaped concave portions directing to the center and wedge-shaped segments (C) complementing said concave portions, to at least one of a heat treatment and a swelling treatment to shrink said fibrous structure at least 10% in the area, impregnating or coating said fibrous structures with a synthetic polymer solution or emulsion, coagulating said polymer solution or emulsion, drying the thus treated pile fibrous structure and then buffing said piles to raise naps.

REFERENCES:
patent: 3117362 (1964-01-01), Breen
patent: 3117906 (1964-01-01), Tanner
patent: 3282721 (1966-11-01), Iseki et al.
patent: 3496001 (1970-02-01), Minobe et al.
patent: 3565670 (1971-02-01), Shinohara et al.
patent: 3627567 (1971-12-01), Tensho
patent: 3676206 (1972-07-01), Nishitani et al.
patent: 3723161 (1973-03-01), Fleissner
patent: 3966865 (1976-06-01), Nishida et al.

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