Environment-friendly dynamically vulcanized thermoplastic elastomer and processing technology thereof
A thermoplastic elastomer and dynamic vulcanization technology, applied in the field of thermoplastic elastomers, can solve the problems of excessive toxic substance content and odor level, reduction of mechanical properties such as elastomer tensile strength and elastic modulus, and non-compliance with green environmental protection. Achieving good fluidity, increased fluidity and processability, and low cohesion
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Embodiment 1
[0029] The environment-friendly dynamic vulcanized thermoplastic elastomer of this embodiment is prepared from the following components by weight: 56 parts of polyolefin resin, 86 parts of EPDM rubber, 106 parts of atactic polypropylene, 18 parts of nano filler, thermal conductivity enhancing auxiliary 17 parts of antioxidant, 4 parts of antioxidant; the thermal conductivity enhancement additive is prepared from the following components by weight: 53 parts of petroleum resin, 22 parts of aluminum nitride, 15 parts of silica airgel, titanate coupling agent 20 servings.
[0030] Among them, the petroleum resin is C9 petroleum resin, the molecular weight is between 300-3000; the polyolefin resin is polyolefin resin homopolymer; [β-(3,5-di-tert-butyl-4-hydroxyphenyl) propionate] pentaerythritol ester; the melt index of atactic polypropylene is 1200-1800g / 10min (230℃, 2.16kg); the moisture content is 2 -3wt%, the propylene content is 84-92wt%.
[0031] The processing technology o...
Embodiment 2
[0037] The environment-friendly dynamic vulcanized thermoplastic elastomer of this embodiment is prepared from the following components by weight: 60 parts of polyolefin resin, 86 parts of EPDM rubber, 106 parts of atactic polypropylene, 22 parts of nano filler, thermal conductivity enhancement auxiliary 18 parts of anti-oxidant, 3 parts of antioxidant; the thermal conductivity enhancement additive is prepared from the following components by weight: 45 parts of petroleum resin, 24 parts of aluminum nitride, 13 parts of silica airgel, titanate coupling agent 20 servings.
[0038] Among them, the petroleum resin is C9 petroleum resin with a molecular weight between 300-3000; the polyolefin resin is a polyolefin resin copolymer; the nano-filler is nano-silica with a particle size range of 1000-2000 mesh; Triethylene glycol bis[β-3-tert-butyl-4-hydroxy-5-methylphenyl)propionate]. The melt index of the random polypropylene is 1200-1800g / 10min (230°C, 2.16kg); the moisture content...
Embodiment 3
[0045] The environment-friendly dynamic vulcanized thermoplastic elastomer of this embodiment is prepared from the following ingredients in parts by weight: 72 parts of polyolefin resin, 88 parts of EPDM rubber, 116 parts of atactic polypropylene, 23 parts of nano-fillers, thermal conductivity enhancing auxiliary 17 parts of antioxidant, 4 parts of antioxidant; the thermal conductivity enhancing additive is prepared from the following components by weight: 56 parts of petroleum resin, 24 parts of aluminum nitride, 12 parts of silica airgel, titanate coupling agent 18 servings.
[0046] Among them, the petroleum resin is C9 petroleum resin with a molecular weight of 300-3000; the polyolefin resin is a polyolefin resin copolymer; the nano-filler is nano-titanium dioxide with a particle size range of 1000-2000 mesh; the antioxidant is 2,6- Di-tert-butyl-4-methylphenol. The melt index of the random polypropylene is 1200-1800g / 10min (230°C, 2.16kg); the moisture content is 2-3wt%,...
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Abstract
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