High-temperature-resistant ultra-high molecular weight polyethylene pipe and preparation method thereof
An ultra-high molecular weight, polyethylene pipe technology, applied in the field of composite materials, can solve the problems of poor fatigue resistance, difficult processing and low heat deformation temperature, etc., achieve good wear resistance, low equipment dependence, overcome The effect of low hardness
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Embodiment 1
[0027] A method for preparing a high-temperature resistant ultra-high molecular weight polyethylene pipe, comprising the steps of:
[0028] S1: Dissolve 1kg of 2,2-bis(4-aminophenyl)hexafluoropropane and 1.47kg of 4,6-bis(1-adamantane)-1,3-diepoxypropyleneoxybenzene in dimethyl ethylene In 10 kg of sulfone, 0.6 kg of sodium carbonate was added thereto, stirred and reacted for 10 hours in a nitrogen atmosphere at 75° C., and then precipitated in water, washed with water for 3 times, and washed with ethanol for 3 times, and then Place in a vacuum drying oven at 80°C and dry to constant weight to obtain a fluorine-containing adamantyl polycondensate;
[0029] S2: 0.1kg of 1,2,2-trifluorovinyltriphenylsilane, 0.1kg of octavinyl-POSS, 0.003kg of sodium persulfate, 0.2kg of fluorine-containing adamantyl polycondensate prepared by step S1, 1 kg of ultra-high molecular weight polyethylene and 0.2 kg of glycidyl methacrylate grafted ultra-high molecular weight polyethylene fiber were ...
Embodiment 2
[0033] A method for preparing a high-temperature resistant ultra-high molecular weight polyethylene pipe, comprising the steps of:
[0034] S1: Dissolve 1kg of 2,2-bis(4-aminophenyl)hexafluoropropane and 1.47kg of 4,6-bis(1-adamantane)-1,3-diepoxypropyleneoxybenzene in N,N - 11 kg of dimethylformamide, and 0.65 kg of potassium carbonate was added thereto, stirred and reacted for 10.5 hours in a helium atmosphere at 77°C, and then precipitated in water, washed with water for 4 times, and then washed with ethanol polymer for 4 times, and then placed in a vacuum drying oven at 83°C to dry to constant weight to obtain a fluorine-containing adamantyl polycondensate;
[0035]S2: 0.1kg of 1,2,2-trifluorovinyltriphenylsilane, 0.1kg of octavinyl-POSS, 0.0035kg of potassium persulfate, 0.2kg of fluorine-containing adamantyl polycondensate prepared through step S1, 1 kg of ultra-high molecular weight polyethylene and 0.2 kg of glycidyl methacrylate grafted ultra-high molecular weight po...
Embodiment 3
[0039] A method for preparing a high-temperature resistant ultra-high molecular weight polyethylene pipe, comprising the steps of:
[0040] S1: Dissolve 1kg of 2,2-bis(4-aminophenyl)hexafluoropropane and 1.47kg of 4,6-bis(1-adamantane)-1,3-diepoxypropyleneoxybenzene in N-methyl In 13 kg of pyrrolidone, 0.7 kg of sodium hydroxide was added thereto, stirred and reacted for 11 hours in a neon atmosphere at 80° C., and then precipitated in water, washed with water for 4 times, and then washed with ethanol for 5 and then placed in a vacuum drying oven at 85°C and dried to constant weight to obtain a fluorine-containing adamantyl polycondensate;
[0041] S2: 0.1kg of 1,2,2-trifluorovinyltriphenylsilane, 0.1kg of octavinyl-POSS, 0.004kg of ammonium persulfate, 0.2kg of fluorine-containing adamantyl polycondensate prepared through step S1, 1 kg of ultra-high molecular weight polyethylene and 0.2 kg of glycidyl methacrylate grafted ultra-high molecular weight polyethylene fiber were a...
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