Preparation method of heat-resistant and anti-corrosion rubber tube
A kind of anti-corrosion rubber and heat-resistant technology, which is applied in heat exchange equipment, pipes, hoses and other directions through heat insulation protection, can solve the problems of not being resistant to bending, difficult to construct, easy to fall off and anti-corrosion effect, and achieve the effect of increasing the heat dissipation area
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Embodiment 1
[0032] Acidic volcanic glass rocks are: pumice
[0033] Preparation of the outer hose layer:
[0034] In parts by weight, 40 parts of nitrile rubber, 10 parts of epoxidized soybean oil, 10 parts of EPDM raw rubber with an ethylene content of 50%, 5 parts of zinc oxide and 7 parts of aluminum stearate are mixed to obtain the mixing raw material, and sent into a compound mold, hot-pressed at a temperature of 70°C and a pressure of 1.4 MPa to form a composite material strip, sent to a plastic spiral tube compound winding molding machine for molding, and then subjected to high-energy electron beam irradiation crosslinking after cooling, with a dose of 20kGy, to obtain the outer rubber tube layer, for subsequent use;
[0035] Preparation of modified aluminum silicate fiber:
[0036] In parts by weight, add 70 parts of kaolin, 20 parts of alumina, 10 parts of titanium dioxide, and 20 parts of aluminum phosphate to 400 parts of water, stir and disperse to form a suspension slurry, ...
Embodiment 2
[0044] Acidic volcanic glass rock is: pitch rock
[0045] Preparation of the outer hose layer:
[0046] In parts by weight, 45 parts of nitrile rubber, 12 parts of epoxidized soybean oil, 11 parts of EPDM raw rubber with an ethylene content of 52%, 7 parts of zinc oxide and 7 parts of aluminum stearate are mixed to obtain mixing raw materials, and sent Put it into the composite mold, heat-press and form composite strips under the conditions of temperature 75°C and pressure 1.5MPa, send them to plastic spiral tube composite winding molding machine for molding, and carry out high-energy electron beam irradiation crosslinking after cooling, the dose is 22kGy, get the outer rubber tube layer, standby;
[0047] Preparation of modified aluminum silicate fiber:
[0048] In parts by weight, add 75 parts of kaolin, 25 parts of alumina, 12 parts of titanium dioxide, and 21 parts of aluminum phosphate to 450 parts of water, stir and disperse to form a suspension slurry, and add a phosp...
Embodiment 3
[0056] Acidic volcanic glass rocks are: perlite
[0057] Preparation of the outer hose layer:
[0058] In parts by weight, 50 parts of nitrile rubber, 15 parts of epoxidized soybean oil, 12 parts of EPDM raw rubber with an ethylene content of 55%, 10 parts of zinc oxide, and 8 parts of aluminum stearate are mixed to obtain mixing raw materials, and sent Put it into the composite mold, heat-press and form composite strips at a temperature of 80°C and a pressure of 1.6MPa, send them to a plastic spiral tube composite winding molding machine for molding, and perform high-energy electron beam irradiation crosslinking after cooling, with a dose of 25kGy, to obtain the outer rubber tube layer, for subsequent use;
[0059] Preparation of modified aluminum silicate fiber:
[0060] In parts by weight, add 80 parts of kaolin, 30 parts of alumina, 15 parts of titanium dioxide, and 22 parts of aluminum phosphate to 500 parts of water, stir and disperse to form a suspension slurry, and a...
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