Superfine fibre woven fibric chemical leather and method for producing the same
A technology of superfine fiber and synthetic leather, applied in fiber processing, textiles and papermaking, chemical instruments and methods, etc., can solve the problems of low strength of thin products, poor pattern color fastness, single color pattern, etc., to achieve rich pattern, The effect of high color fastness
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Embodiment 1
[0040] (1) Blend the polyethylene of the "sea" component and the polyester of the "island" component at a weight ratio of 20%:80%, and spin it into sea-island short fibers of 0.1-5 denier;
[0041](2) Sea-island staple fibers are spun into 10S yarns by spinning technology, dyed, then warped and slashed, and then woven into a plain weave single-color base cloth with a thickness of 0.04mm;
[0042] (3) impregnating the base cloth with a colored polyurethane impregnating solution with a concentration of 30%, then coagulating with a coagulant, rolling and scraping the surface to obtain a semi-finished synthetic leather product;
[0043] (4) Use 86°C hot toluene to dissolve the semi-finished synthetic leather to remove the "sea" component in the sea-island superfine fiber, and then wash and dry it with water to obtain a monofilament fineness of 0.01-0.0005 denier, and the inter-fiber Microfiber woven cloth synthetic leather with voids;
[0044] (5) The microfiber woven cloth synth...
Embodiment 2
[0045] (1) The "sea" component polyethylene and the "island" component polyamide are blended at a weight ratio of 40%:60%, and are spun into colored 0.1-5 deniers with the masterbatch in the spinning process Sea-island staple fibers;
[0046] (2) Use the spinning technology to spin the colored island-in-the-sea short fiber into 16S yarn, then warp and sizing, and then weave it with conductive fiber to form a twill single-color base fabric with a thickness of 0.07mm on the surface;
[0047] (3) After impregnating the base cloth with a colored polyurethane impregnating solution with a concentration of 20%, then coagulating with a coagulant, rolling and scraping the surface to obtain a semi-finished synthetic leather product;
[0048] (4) Use 80°C hot toluene to dissolve the semi-finished synthetic leather to remove the "sea" component in the sea-island superfine fiber, and then wash and dry it with water to obtain a monofilament fineness of 0.01-0.0005 denier, and the inter-fibe...
Embodiment 3
[0051] (1) Blending the "sea" component polyethylene and the "island" component polyester at a weight ratio of 30%:70%, and spinning them into sea-island short fibers of 0.1-5 denier;
[0052] (2) The island-in-the-sea staple fiber is spun into 6S yarn by spinning technology. After dyeing, it is warped and slashed, and then weaved into a layer of yarn spun from the island-in-the-sea staple fiber, and the other layer is a non-island-in-the-sea superfiber yarn. Fine fiber, the surface is jacquard pattern multi-color two-layer base fabric with a thickness of 0.02mm, and the layers are combined through the weaving process;
[0053] (3) After impregnating the base cloth with a colored polyurethane impregnating solution with a concentration of 15%, then coagulating with a coagulant, rolling and scraping the surface to obtain a semi-finished synthetic leather product;
[0054] (4) Use 83°C hot toluene to dissolve the semi-finished synthetic leather to remove the "sea" component in th...
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