High-strength and low-VOC automotive interior polypropylene composite material and preparation method thereof
A composite material, high-strength technology, used in the field of automotive interior parts, can solve the problems of insufficient strength of polypropylene composite materials, volatile VOC gas, harm to the human body, etc., and achieve the effect of excellent comprehensive performance, high strength and low VOC.
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[0021] Example one
[0022] A high-strength, low-VOC, automotive interior polypropylene composite material, based on mass components, including the following components: polypropylene resin: 100 parts; toughening agent: 15 parts; antioxidant: 1 part; diatom Soil: 10 parts; light stabilizer 1 part; flame retardant 10 parts; reinforcing agent 20 parts; inorganic filler 15 parts.
[0023] The preparation method of the polypropylene composite material is as follows:
[0024] (1) Add polypropylene resin, diatomaceous earth, reinforcing agent, and inorganic filler into a high-speed mixer at 25-30°C according to the mass ratio for blending for 3-5 minutes, then let it stand for 3 hours, continue Add tougheners, antioxidants, light stabilizers and flame retardants in sequence, and continue to blend for 3-5 minutes;
[0025] (2) Put the processed mixture in step (1) into a twin-screw extruder for melt mixing, and perform extrusion granulation under the condition of a vacuum of -0.03~-0.10Mpa ...
Example Embodiment
[0026] Example two
[0027] A high-strength and low-VOC interior polypropylene composite material for vehicles, based on mass components, including the following components: polypropylene resin: 80 parts; toughening agent: 10 parts; antioxidant: 0.5 parts; diatom Soil: 5 parts; light stabilizer 0.5 parts; flame retardant 5 parts; reinforcing agent 15 parts; inorganic filler 10 parts.
[0028] The preparation method of the polypropylene composite material is as follows:
[0029] (1) Add polypropylene resin, diatomaceous earth, reinforcing agent, and inorganic filler into a high-speed mixer at 25-30°C according to the mass ratio for blending for 3-5 minutes, then let it stand for 3 hours, continue Add tougheners, antioxidants, light stabilizers and flame retardants in sequence, and continue to blend for 3-5 minutes;
[0030] (2) Put the processed mixture in step (1) into a twin-screw extruder for melt mixing, and perform extrusion granulation under the condition of a vacuum of -0.03~-0...
Example Embodiment
[0031] Example three
[0032] A high-strength and low-VOC interior polypropylene composite material for vehicles, based on mass components, including the following components: polypropylene resin: 100 parts; toughening agent: 10 parts; antioxidant: 1 part; diatom Soil: 5 parts; light stabilizer 1 part; flame retardant 5 parts; reinforcing agent 25 parts; inorganic filler 10 parts.
[0033] The preparation method of the polypropylene composite material is as follows:
[0034] (1) Add polypropylene resin, diatomaceous earth, reinforcing agent, and inorganic filler into a high-speed mixer at 25-30°C according to the mass ratio for blending for 3-5 minutes, then let it stand for 3 hours, continue Add tougheners, antioxidants, light stabilizers and flame retardants in sequence, and continue to blend for 3-5 minutes;
[0035] (2) Put the processed mixture in step (1) into a twin-screw extruder for melt mixing, and perform extrusion granulation under the condition of a vacuum of -0.03~-0.10...
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