The process of processing floor leather base material by using scraps and recycled materials of automobile interior parts
A technology for automotive interior parts and scraps, which is applied in the field of floor leather processing, can solve problems such as environmental pollution and resource waste, and achieve the effects of meeting performance requirements, optimizing performance, and solving resource waste and environmental pollution.
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Embodiment 1
[0036] (1) After sorting and crushing the leftovers and recycled materials of automotive interior parts, put them into the twin-screw extruder. , the screw speed is 150r / min, pelletized after extrusion, and cooled by air cooling at 15°C to obtain recycled materials;
[0037] (2) Disperse 5.00g of sepiolite fibers in 200mL of ethanol, add 5.50g of 3-aminopropyltriethoxysilane, heat to 70°C for 12h, filter with suction, then add 1.73g of 7-quinolinecarboxylic acid 1. A saturated aqueous solution prepared by 2.11g EDC.HCl and 1.48g HOBt, heated again to 70°C for 8h, suction filtered, washed with pure water, dried at 80°C to obtain organically modified sepiolite fibers;
[0038] (3) Add 5kg of the above-mentioned regenerated material, 0.8kg of the above-mentioned organically modified sepiolite fiber and 0.4kg of acrylonitrile-butadiene-styrene copolymer into the twin-screw extruder. The second zone is 238°C, the third zone is 245°C, the fourth zone is 248°C, the fifth zone is 236...
Embodiment 2
[0041] The difference between this example and Example 1 is that the dosages of the organically modified sepiolite fiber and the acrylonitrile-butadiene-styrene copolymer are adjusted.
[0042] (1) After sorting and crushing the leftovers and recycled materials of automotive interior parts, put them into the twin-screw extruder. , the screw speed is 150r / min, pelletized after extrusion, and cooled by air cooling at 15°C to obtain recycled materials;
[0043] (2) Disperse 5.00g of sepiolite fibers in 200mL of ethanol, add 5.50g of 3-aminopropyltriethoxysilane, heat to 70°C for 12h, filter with suction, then add 1.73g of 7-quinolinecarboxylic acid 1. A saturated aqueous solution prepared by 2.11g EDC.HCl and 1.48g HOBt, heated again to 70°C for 8h, suction filtered, washed with pure water, dried at 80°C to obtain organically modified sepiolite fibers;
[0044] (3) Add 5kg of the above-mentioned regenerated material, 0.7kg of the above-mentioned organically modified sepiolite fibe...
Embodiment 3
[0047] The difference between this example and Example 1 is that poly-dipentaerythritol hexaacrylate is also added in step (1).
[0048] (1) After sorting and crushing the scraps and recycled materials of automobile interior parts, put them into the twin-screw extruder, and add polydipentaerythritol hexaacrylate accounting for 5% by weight of the recycled materials. The first zone of the extruder is 238 ° C, The second zone is 245°C, the third zone is 248°C, the fourth zone is 239°C, the fifth zone is 235°C, the screw speed is 150r / min, pelletized after extrusion, and cooled by air cooling at 15°C to obtain recycled materials;
[0049] (2) Disperse 5.00g of sepiolite fibers in 200mL of ethanol, add 5.50g of 3-aminopropyltriethoxysilane, heat to 70°C for 12h, filter with suction, then add 1.73g of 7-quinolinecarboxylic acid 1. A saturated aqueous solution prepared by 2.11g EDC.HCl and 1.48g HOBt, heated again to 70°C for 8h, suction filtered, washed with pure water, dried at 80...
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