Molding method for surface-activated nano-carbon black reinforced HDPE water-supply pipe
A technology of surface activation treatment and water supply pipes, which is applied in the field of building materials, can solve the problems of toner dyeing pollution, high cost, low blackness and brightness, etc., and achieve the improvement of anti-oxidation degree, hydrostatic strength and obvious enhancement effect Effect
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Embodiment 1
[0025] High-gloss HDPE water supply pipe material ratio: HDPE resin 90% and high-gloss black masterbatch 10%; high-gloss black masterbatch raw material ratio is HDPE resin 48%, treated nano-carbon black 38%, lubricant 5%, processing aids 3%, antioxidant 2% and light stabilizer 4%; the raw material ratio of nano-carbon black after treatment is 81% of nano-carbon black, 10% of polyolefin type hyperdispersant, 6% of graft copolymer type hyperdispersant and Surface synergist 3%.
[0026] Among them, the polyolefin type hyperdispersant is a terminal polyisobutylene type dispersant; the graft copolymer type hyperdispersant is a water-soluble polymer dispersant; the lubricant is a polyolefin oligomer; and the processing aid is a silane cross-linked polymer Ethylene copolymer; antioxidant is hindered phenolic antioxidant; light stabilizer is benzotriazole UV absorber.
Embodiment 2
[0028] High-gloss HDPE water supply pipe material ratio: HDPE resin 95% and high-gloss black masterbatch 5%; high-gloss black masterbatch raw material ratio is HDPE resin 50%, treated nano-carbon black 40%, lubricant 2%, processing aids 3%, antioxidant 2% and light stabilizer 3%; the raw material ratio of the treated nano-carbon black is 85% of nano-carbon black, 10% of polyolefin type hyperdispersant, 2% of graft copolymer type hyperdispersant and Surface synergist 3%.
[0029] Among them, the polyolefin type hyperdispersant is methyl methacrylate type dispersant; the graft copolymer type hyperdispersant is an emulsion dispersant; the lubricant is a silane coupling agent; and the processing aid is a polyethylene graft copolymer; The antioxidant is a hindered amine antioxidant; the light stabilizer is a benzotriazole ultraviolet absorber.
Embodiment 3
[0031] High-gloss HDPE water supply pipe material ratio: HDPE resin 94% and high-gloss black masterbatch 6%; high-gloss black masterbatch raw material ratio is HDPE resin 51%, treated nano-carbon black 39%, lubricant 2%, processing aids 3%, antioxidant 1% and light stabilizer 4%; the raw material ratio of nano-carbon black after treatment is 81% of nano-carbon black, 10% of polyolefin type hyperdispersant, 6% of graft copolymer type hyperdispersant and Surface synergist 3%.
[0032] Among them, polyolefin type hyperdispersant is methyl methacrylate type dispersant; graft copolymer type hyperdispersant is water-soluble polymer dispersant; lubricant is titanate coupling agent; processing aid is methyl methacrylate Acrylates; antioxidants are phosphite antioxidants; light stabilizers are benzotriazole UV absorbers.
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