A kind of manufacture method of microfiber leather for automobile
A technology of microfiber leather and manufacturing method, applied in chemical instruments and methods, lamination, layered products, etc., can solve the problems of difficult to achieve antifouling and antibacterial properties of automotive leather
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Embodiment 1
[0034] A manufacturing method of microfiber leather for automobiles, which includes the following steps:
[0035] (1) The ironed microfiber non-woven fabric with a weight of 400g / ㎡ and a thickness of 1.45 is impregnated with polyurethane slurry at a speed of 4m / min, then foamed through a coagulation tank, and then washed through a washing tank. Table 3: Polyurethane slurry formulation example:
[0036] table 3
[0037] Serial number
raw material name
Weight / kg
1
Polyurethane resin
100
2
DMF
33
3
Dye liquid
1.2
4
0.6
5
Antifouling additives VS-128
0.3
[0038] (2) Pass the base fabric treated in step ① through the toluene extraction tank and the hot water extraction tank at a speed of 4m / min. This is a conventional microfiber toluene reduction process.
[0039] (3) The base fabric treated in step ② is subjected to tentering drying and shaping in an oven at a temperature of 130°C, and the speed depends on the length of the oven.
[0040] (4) Pass the base fab...
Embodiment 2
[0046] A manufacturing method of microfiber leather for automobiles as described in Example 1,
[0047] In step (1), the grammage and thickness of the microfiber nonwoven fabric are prepared using the following two sets of data:
[0048] Weight: 410, 420, 430, 460, 470, 480, 490, 500, 510, 520;
[0049] Thickness: 1.5, 1.55, 1.6, 1.65, 1.7, 1.75, 1.8, 1.85, 1.9, 1.95.
[0050] Tests show that the grammage and thickness of the microfiber non-woven fabric are between 400 g / ㎡-520 g / ㎡ and 1.45-1.95 mm, and the manufactured automobile microfiber leather can achieve the purpose of the present invention.
Embodiment 3
[0052] A manufacturing method of microfiber leather for automobiles as described in Example 1,
[0053] In step (1), the speed of the microfiber non-woven fabric is controlled at 5, 6, 7, 8, 9, and 10 m / min for preparation.
[0054] Tests show that when the speed of the superfiber non-woven fabric impregnated by the polyurethane slurry is controlled at 4-10m / min, all the made automobile superfiber leather can achieve the purpose of the present invention.
[0055] Example 3:
[0056] A manufacturing method of microfiber leather for automobiles as described in Example 1,
[0057] The base fabric described in step (2) is prepared when the speed of the toluene extraction tank and the water washing tank are controlled at 5, 6, 7, 8, 9, 10 m / min, respectively.
[0058] Tests have shown that when the speed of the base fabric passing through the toluene extraction tank and the washing tank is controlled at 4-10 m / min, all the made automobile microfiber leathers can achieve the purpose of the pre...
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