Corrosion-resistant high-density polyethylene water feed pipe and preparation method thereof
A high-density polyethylene, corrosion-resistant technology, applied in the direction of pipes, rigid pipes, mechanical equipment, etc., can solve the problems of reducing the service life of water supply pipes, waste of resources in the field of water pipes, and failure to reach them, so as to improve smoothness and heat resistance Improvement of sex and mechanical properties and prolonging the service life
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Embodiment 1
[0034] Preparation of cross-linked polyethylene: get 3 parts of vinyltrimethoxysilane, 0.01 part of dicumyl peroxide initiator, 0.5 part of dibutyltin dodecyl mercaptide catalyst, and 0.12 part of antioxidant 1010 and stir and mix evenly, then Add 95 parts of high-density polyethylene and melt extrude at a temperature of 180°C and a screw speed of 60r / min to obtain cross-linked high-density polyethylene;
[0035]Preparation of the inner layer material: Take 5 parts of zinc oxide and 8 parts of titanium dioxide and add them to the mixer, raise the temperature to 60°C and add 3 parts of paraffin wax, 6 parts of polyethylene glycol, 9 parts of polypropylene grafted maleic anhydride, 11 parts of 1-vinyl-3-butylimidazole hexafluorophosphate ionic liquid were kept and stirred for 28 minutes, and then 73 parts of cross-linked high-density polyethylene, 9 parts of polytetrafluoroethylene, 7.5 parts of metallocene resin, polyethylene 11.5 parts of alcohol were mixed for 30 minutes to o...
Embodiment 2
[0041] Preparation of cross-linked polyethylene: Take 2.5 parts of vinyltrimethoxysilane, 0.5 parts of dimethyl-diperoxy-tert-hexyne initiator, 0.4 parts of dibutyltin dodecyl mercaptide catalyst, and 0.1 parts of antioxidant 1010 1 part was stirred and mixed evenly, and then 100 parts of high-density polyethylene was added and melted and extruded at a temperature of 200 °C with a screw speed of 60 r / min to obtain cross-linked high-density polyethylene;
[0042] Preparation of the inner layer material: Take 4 parts of zinc oxide and 6 parts of titanium dioxide and add them to the mixer, raise the temperature to 60°C and add 2.5 parts of paraffin wax, 4.5 parts of polyethylene glycol, 10 parts of polypropylene grafted maleic anhydride, 12 parts of 1-hexyl-3-methylimidazolium tetrafluoroborate ionic liquid were kept and stirred for 25 minutes, and then 75 parts of cross-linked high-density polyethylene, 8.5 parts of polytetrafluoroethylene, 7 parts of metallocene resin, polyethyl...
Embodiment 3
[0048] Preparation of cross-linked polyethylene: Take 1 part of vinyltrimethoxysilane, 1 part of dicumyl peroxide initiator, 0.3 parts of dibutyltin dilaurate and dibutyltin dodecyl mercaptide catalyst, 0.18 parts of antioxidant 1010 1 part was stirred and mixed evenly, and then 92 parts of high-density polyethylene was added and melted and extruded under the condition of 60 r / min at a screw speed of 190 ° C to obtain cross-linked high-density polyethylene;
[0049] Preparation of the inner layer material: Take 5.5 parts of zinc oxide and 7 parts of titanium dioxide and add them to the mixer, raise the temperature to 60°C and add 4 parts of paraffin wax, 5 parts of polyethylene glycol, 12 parts of polypropylene grafted maleic anhydride, 8 parts of 1-vinyl-3-butylimidazole hexafluorophosphate ionic liquid were kept and stirred for 23 minutes, and then 72 parts of cross-linked high-density polyethylene, 8 parts of polytetrafluoroethylene, 6.5 parts of metallocene resin, polyethyl...
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