Basalt-long-fiber-enhanced polypropylene composite material and application thereof
A basalt fiber and composite material technology, applied in electrical components, circuits, battery pack parts and other directions, can solve the problems of difficult molding process and heavy weight, and achieve the effects of light weight, low production cost and good environmental protection.
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Embodiment 1
[0029] A kind of basalt long fiber reinforced polypropylene composite material, which comprises the following parts by weight:
[0030] 20 parts of modified basalt fiber;
[0031] High melting point polypropylene (PP) 80 parts;
[0032] 10 parts of PP-g-MAH (maleic anhydride grafted polypropylene) as compatibilizer;
[0033] 5 parts of elastomer;
[0034] 5 parts of flow modifier;
[0035] 5 parts of 5000 mesh high mesh talcum powder.
[0036] Among them, the modified basalt fiber uses nano-SiO 2 Precursor solution and epoxy resin mixed solution with a weight ratio of 1:18. The epoxy resin is a bisphenol A glycidyl ether epoxy resin. Stir and react in an oil bath at 50°C for 3.5 hours to prepare epoxy / nano-SiO 2 Hybrid material, and then the mass ratio of epoxy resin and acetone solvent in the hybrid material is 1.8:100 to prepare a hybrid slurry for basalt fiber modification, coat it on the surface of continuous basalt fiber, and obtain modified basalt fiber after drying...
Embodiment 2
[0046] A kind of basalt long fiber reinforced polypropylene composite material, which comprises the following parts by weight:
[0047] 30 parts of modified basalt fiber;
[0048] High melting point polypropylene (PP) 60 parts;
[0049] 10 parts of PP-g-MAH (maleic anhydride grafted polypropylene) as compatibilizer;
[0050] 5 parts of elastomer;
[0051] 5 parts of flow modifier;
[0052] 5 parts of 6000 mesh high mesh talcum powder.
[0053] Among them, the modified basalt fiber uses nano-SiO 2 Precursor solution and epoxy resin mixed solution with a weight ratio of 1:19. The epoxy resin is a bisphenol A glycidyl ether epoxy resin. Stir and react in an oil bath at 55°C for 4.5 hours to prepare epoxy / nano-SiO 2 Hybrid material, and then the mass ratio of epoxy resin and acetone solvent in the hybrid material is 2.2:100 to prepare a hybrid slurry for basalt fiber modification, coat it on the surface of continuous basalt fiber, and obtain modified basalt fiber after drying...
Embodiment 3
[0063] A kind of basalt long fiber reinforced polypropylene composite material, which comprises the following parts by weight:
[0064] 30 parts of modified basalt fiber;
[0065] High melting point polypropylene (PP) 80 parts;
[0066] 5 parts of PP-g-MAH (maleic anhydride grafted polypropylene) as compatibilizer;
[0067] 5 parts of elastomer;
[0068] 5 parts of flow modifier;
[0069] 5 parts of 7000 mesh high mesh talcum powder.
[0070] Among them, the modified basalt fiber uses nano-SiO 2 Precursor solution and epoxy resin mixed solution with a weight ratio of 1:18, the epoxy resin is bisphenol A glycidyl ether epoxy resin, stirred and reacted in an oil bath at 50~55°C for 4 hours to prepare epoxy / nano-SiO 2 Hybrid material, and then the mass ratio of epoxy resin and acetone solvent in the hybrid material is 1:50 to prepare hybrid slurry for basalt fiber modification, which is coated on the surface of continuous basalt fiber, and modified basalt fiber is obtained...
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