A kind of PBT material and preparation method for optical cable
A technology for optical cables and raw materials, applied in the field of PBT materials and preparations for optical cables, can solve the problems of large shrinkage in the later stage, poor pressure resistance of loose tubes, and insufficient crystallization, etc., to reduce raw material costs, speed up turnover, and increase production speed Effect
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Embodiment 1
[0028] A PBT material for an optical cable, characterized in that it contains the following raw materials in parts by weight: 35 parts of polybutylene terephthalate, 20 parts of polypropylene, 6 parts of polyethylene, 2 parts of aluminum hydroxide, triphosphate 4 parts of phenyl ester, 3 parts of talcum powder, 1 part of mica powder, 3 parts of maleic anhydride, 2 parts of decabromodiphenylethane, 2 parts of white oil, 1 part of zinc oxide, 2 parts of titanium dioxide, polyethylene wax 2 parts; the above-mentioned PBT material for optical cable is characterized in that it is prepared by the following method: the first step: take each raw material by weight and place it separately; the second step: weigh the first step Put polybutylene terephthalate, polypropylene, polyethylene, triphenyl phosphate, maleic anhydride, decabromodiphenylethane, white oil, and polyethylene wax into a stainless steel reaction pot, and vacuum Temperature is -0.15MPa~-0.05MPa, reaction temperature is ...
Embodiment 2
[0030] A PBT material for an optical cable, characterized in that it contains the following raw materials in parts by weight: 45 parts of polybutylene terephthalate, 25 parts of polypropylene, 15 parts of polyethylene, 3 parts of aluminum hydroxide, triphosphate 5 parts of phenyl ester, 4 parts of talcum powder, 2 parts of mica powder, 6 parts of maleic anhydride, 4 parts of decabromodiphenylethane, 3 parts of white oil, 2 parts of zinc oxide, 3 parts of titanium dioxide, polyethylene wax 4 parts; The preparation method of this implementation example is the same as the preparation method in Implementation Example 1.
Embodiment 3
[0032] A PBT material for an optical cable, characterized in that it contains the following raw materials in parts by weight: 50 parts of polybutylene terephthalate, 30 parts of polypropylene, 20 parts of polyethylene, 4 parts of aluminum hydroxide, triphosphate 6 parts of phenyl ester, 5 parts of talcum powder, 3 parts of mica powder, 9 parts of maleic anhydride, 6 parts of decabromodiphenylethane, 4 parts of white oil, 3 parts of zinc oxide, 4 parts of titanium dioxide, polyethylene wax 6 parts; The preparation method of this implementation example is the same as the preparation method in Implementation Example 1.
[0033] Through repeated tests by the applicant, it is found that as long as the PBT materials meet the following raw materials and proportioning ratios, the purpose of the present invention can be achieved.
[0034] A PBT material for an optical cable, characterized in that it contains the following raw materials in parts by weight: 35-50 parts of polybutylene te...
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