Halogen-free flame-retardant TPVC ( polyvinyl chloride elastomer) material and preparation method therefor
A technology of PVC resin and flame retardant, which is applied in the field of polymer composite materials and its preparation, can solve the problems of harm to human body, increase of flammability of TPVC material, decrease of mechanical properties of TPVC material, etc., and achieve good environmental protection and synergistic flame retardant Good resistance, the effect of improving cold resistance
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Embodiment 1)
[0026] The halogen-free flame-retardant TPVC material of the present embodiment is made of the following components by weight:
[0027] 100kg of SG-3 type PVC resin.
[0028] As a plasticizer, 30kg of dioctyl terephthalate (DOTP), 4.5kg of epoxy fatty acid methyl ester, 22.5kg of diphenyl-isooctyl phosphate (DPOP) and 3kg of chlorinated paraffin.
[0029] 6kg of calcium-zinc composite stabilizer.
[0030] 1 kg calcium stearate, 1.1 kg stearic acid and 1 kg polyethylene wax as lubricants.
[0031] 50kg active magnesium hydroxide, 6kg microcapsule red phosphorus, 4kg antimony trioxide and 5kg zinc borate as a halogen-free flame retardant.
[0032] The preparation method of the above-mentioned halogen-free flame-retardant TPVC material has the following steps:
[0033] ① Weigh SG-3 PVC resin, dioctyl terephthalate, epoxy fatty acid methyl ester, diphenyl-isooctyl phosphate, chlorinated paraffin, calcium zinc composite stabilizer, calcium stearate according to the above weight ...
Embodiment 2~ Embodiment 6)
[0039] The preparation method of each example is the same as that of Example 1, except for the formulation of the halogen-free flame-retardant TPVC material, see Table 1 for details.
[0040] Table 1
[0041]
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