Composite automotive upholstery material capable of releasing negative ions and preparing method of composite automotive upholstery material
A technology of automotive interior parts and negative ions, which is applied in the field of composite car interior materials and its preparation, can solve the problems of excessive organic volatiles and achieve the effects of pleasant spirit, improved impact strength and good toughening effect
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[0015] A composite automotive interior material capable of releasing negative ions, prepared from the following raw materials in parts by weight (kg): polylactic acid 100, nano antimony trioxide 3.5, decabromodiphenylethane 10, SEBS25, kenaf fiber 60. Tourmaline powder 15, medical stone powder 4.5, sodium polyacrylate 2, 3-aminopropyltriethoxysilane 0.6, white oil 2, seaweed gel 5, polytetramethylene glycol 3, water as appropriate.
[0016] Described a kind of composite automobile trim material that can release negative ions is made by following specific steps:
[0017] (1) Dry the polylactic acid in a vacuum drying oven at 80°C for 10 hours, and dry the nano antimony trioxide and decabromodiphenylethane in an oven at 60°C for 5 hours and 8 hours respectively; the dried Put the material into a high-speed mixer, stir at a speed of 1000 rpm for 10 minutes, add SEBS, continue stirring for 10 minutes, and then send the mixture into a twin-screw extruder at a temperature of 175 ° C...
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