Production process of waterborne polyurethane superfiber conductive napped leather for touch screens
A water-based polyurethane and production process technology, which is applied in fiber treatment, fabric surface trimming, continuous treatment of textile materials, etc., can solve the problems of non-conductive materials for making gloves and insensitive touch points, so as to improve the color fastness to rubbing, The effect of reducing insulation and simple preparation method
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Embodiment 1
[0023] A production process of water-based polyurethane superfiber conductive suede for touch screen,
[0024] 1. Acupuncture process:
[0025] 1) Fiber selection: sea-island fiber, at least partially shrinkable sea-island fiber; at least partially conductive sea-island fiber (the island has a conductive function); example 3:7;
[0026] 2) Acupuncture process: through the processes of opening and cleaning, carding, laying and acupuncture, it is made into non-woven fabrics;
[0027] 3) Non-woven performance: gram weight 300g / m 2 , with a density of 0.15g / cm 3 ;
[0028] 2. Hot water shrinkage process, hot water temperature 60°C;
[0029] 3. The drying and shaping process temperature is 120°C;
[0030] 4. Impregnated polyurethane process
[0031] Formula composition: water-based polyurethane: 30 parts, conductive powder: 5 parts, crosslinking agent: 1 part, thickener: 1 part, defoamer: 0.1 part, deionized water: 50 parts, inorganic salt: 0.5 part and even Joint agent: 0.5...
Embodiment 2
[0042] A production process of water-based polyurethane superfiber conductive suede for touch screen,
[0043] 1. Acupuncture process:
[0044] 1) Fiber selection: sea-island fiber, at least partially shrinkable sea-island fiber; at least partially conductive sea-island fiber (the island has a conductive function); example 3:7;
[0045] 2) Acupuncture process: through the processes of opening and cleaning, carding, laying and acupuncture, it is made into non-woven fabrics;
[0046] 3) Non-woven performance: weight 400g / m 2 , the density is 0.2g / cm 3 ;
[0047] 2. Hot water shrinkage process, hot water 80°C;
[0048] 3. The drying and shaping process temperature is 130°C;
[0049] 4. Impregnated polyurethane process
[0050] Formula composition: water-based polyurethane: 40 parts, conductive powder: 10 parts, crosslinking agent: 2 parts, thickener: 1.5 parts, defoamer: 0.3 parts, deionized water: 85 parts, inorganic salt: 1.1 parts and even Joint agent: 0.8 parts. Among t...
Embodiment 3
[0061] A production process of water-based polyurethane superfiber conductive suede for touch screen,
[0062] 1. Acupuncture process:
[0063] 1) Fiber selection: sea-island fiber, at least partially shrinkable sea-island fiber; at least partially conductive sea-island fiber (the island has a conductive function); example 3:7;
[0064] 2) Acupuncture process: through the processes of opening and cleaning, carding, laying and acupuncture, it is made into non-woven fabrics;
[0065] 3) Non-woven performance: gram weight 600g / m 2 , with a density of 0.3g / cm 3 ;
[0066] 2. Hot water shrinkage process, hot water 99 ℃;
[0067] 3. The drying and shaping process temperature is 150°C;
[0068] 4. Impregnated polyurethane process
[0069] Formula composition: water-based polyurethane: 50 parts, conductive powder: 15 parts, crosslinking agent: 3 parts, thickener: 2 parts, defoamer: 0.5 parts, deionized water: 100 parts, inorganic salt: 1.5 parts and even Joint agent: 1.5 parts....
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