Carbon paper composite material used for laser laminating molding and preparation method thereof
A technology of lamination molding and composite materials, which is applied in the field of laser lamination carbon paper composite materials and its preparation, can solve the problems of few optional raw materials, poor mechanical strength of parts, complex post-processing technology, etc., and achieve shortening The effect of production cycle, fast molding speed and cost reduction
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Embodiment 1
[0033] (1) Prepare raw materials according to the following proportions:
[0034] 95 parts of polypropylene resin,
[0035] 1 part of coupling agent γ-aminopropyltriethoxysilane,
[0036] Antioxidant tetrakis[β-(3,5-di-tert-butyl-4-hydroxyphenyl)propionic acid]pentaerythritol ester 0.2 parts,
[0037] Antioxidant tris [2.4-di-tert-butylphenyl] phosphite 0.3 part,
[0038] Heat stabilizer calcium stearate 0.5 part,
[0039] Lubricant ethylene bis stearamide 0.5 parts,
[0040] 5 copies of carbon paper;
[0041] (1) Mix polypropylene resin, coupling agent, antioxidant, heat stabilizer and lubricant uniformly to obtain a premix;
[0042] (2) Lay a layer of premixed material on the upper and lower surfaces of the carbon paper with a molding machine, and mold it into a foil with a thickness of 0.5 mm at 180 ° C to obtain a carbon paper composite material.
Embodiment 2
[0044] (1) Prepare raw materials according to the following proportions:
[0045] 93 parts of polypropylene resin,
[0046] 2 parts of coupling agent γ-aminopropyltriethoxysilane,
[0047] Antioxidant tetrakis[β-(3,5-di-tert-butyl-4-hydroxyphenyl)propionic acid]pentaerythritol ester 0.5 part,
[0048] Antioxidant tris [2.4-di-tert-butylphenyl] phosphite 0.8 part,
[0049] Heat stabilizer calcium stearate 1 part,
[0050] Lubricant ethylene bis stearamide 1 part,
[0051] 7 copies of carbon paper;
[0052] (1) Mix polypropylene resin, coupling agent, antioxidant, heat stabilizer and lubricant uniformly to obtain a premix;
[0053] (2) Lay a layer of premixed material on the upper and lower surfaces of the carbon paper with a molding machine, and mold it into a foil with a thickness of 1 mm at 190 ° C to obtain a carbon paper composite material.
Embodiment 3
[0055] (1) Prepare raw materials according to the following proportions:
[0056] 91 parts of polypropylene resin,
[0057] 3 parts of coupling agent γ-aminopropyltriethoxysilane,
[0058] Antioxidant tetrakis[β-(3,5-di-tert-butyl-4-hydroxyphenyl)propionic acid]pentaerythritol ester 0.8 parts,
[0059] Antioxidant tris [2.4-di-tert-butylphenyl] phosphite 1.2 parts,
[0060] 3 parts of heat stabilizer calcium stearate,
[0061] Lubricant ethylene bis stearamide 3 parts.
[0062] 9 copies of carbon paper;
[0063] (1) Mix polypropylene resin, coupling agent, antioxidant, heat stabilizer and lubricant uniformly to obtain a premix;
[0064] (2) Lay a layer of premixed material on the upper and lower surfaces of the carbon paper with a molding machine, and mold it into a foil with a thickness of 2 mm at 200 ° C to obtain a carbon paper composite material.
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