Preparation method of friction-resistant polyethylene abrasive bag
A polyethylene and anti-friction technology, which is applied in the field of preparation of anti-friction polyethylene sandbags, can solve the problems of limiting the promotion and application of linear low-density polyethylene films, poor transparency of linear low-density polyethylene films, etc., and achieves easy Obtain, improve lubricity, high tensile strength and high elongation at break
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Embodiment 1
[0029] A preparation method of a friction-resistant polyethylene sandbag, comprising the following steps:
[0030] (1) 4 parts of nano-SiO 2 , 2 parts of alumina fibers and 2 parts of chrysotile fibers were ultrasonically dispersed with 300 parts of 75vt% ethanol aqueous solution for 2h to obtain nano-SiO 2 Suspensions, alumina fiber suspensions and chrysotile fiber suspensions;
[0031] (2) Add 1.6 parts of KH570 into the beaker, then add 20 parts of absolute ethanol and 20 parts of acetic acid solution with pH=3 in sequence, and stir magnetically for 1 hour to obtain the KH570 solution;
[0032] (3) Pour 50% of the above KH570 solution into nano-SiO 2 In the suspension, 25% of the above KH570 solution is poured into the alumina fiber suspension, 25% of the above KH570 solution is poured into the chrysotile fiber suspension, stirred and reacted at 75°C for 4h, and then heated at 8000r / min centrifuged for 10 min, and the precipitates were vacuum-dried at 80°C for 12 h to ob...
Embodiment 2
[0040] A preparation method of a friction-resistant polyethylene sandbag, comprising the following steps:
[0041] (1) 4 parts of nano-SiO 2 , 2 parts of alumina fibers and 2 parts of chrysotile fibers were ultrasonically dispersed with 300 parts of 75vt% ethanol aqueous solution for 2h to obtain nano-SiO 2 Suspensions, alumina fiber suspensions and chrysotile fiber suspensions;
[0042] (2) Add 1.6 parts of KH570 into the beaker, then add 20 parts of absolute ethanol and 20 parts of acetic acid solution with pH=3 in sequence, and stir magnetically for 1 hour to obtain the KH570 solution;
[0043] (3) Pour 50% of the above KH570 solution into nano-SiO 2 In the suspension, 25% of the above KH570 solution was poured into the alumina fiber suspension, 25% of the above KH570 solution was poured into the chrysotile fiber suspension, stirred and reacted at 75°C for 4h, and then heated at 8000r / min centrifuged for 10 min, and the precipitates were vacuum-dried at 80°C for 12 h to ...
Embodiment 3
[0051] A preparation method of a friction-resistant polyethylene sandbag, comprising the following steps:
[0052] (1) 4 parts of nano-SiO 2 , 2 parts of alumina fibers and 2 parts of chrysotile fibers were ultrasonically dispersed with 300 parts of 75vt% ethanol aqueous solution for 2h to obtain nano-SiO 2 Suspensions, alumina fiber suspensions and chrysotile fiber suspensions;
[0053] (2) Add 1.6 parts of KH570 into the beaker, then add 20 parts of absolute ethanol and 20 parts of acetic acid solution with pH=3 in sequence, and stir magnetically for 1 hour to obtain the KH570 solution;
[0054] (3) Pour 50% of the above KH570 solution into nano-SiO 2 In the suspension, 25% of the above KH570 solution was poured into the alumina fiber suspension, 25% of the above KH570 solution was poured into the chrysotile fiber suspension, stirred and reacted at 75°C for 4h, and then heated at 8000r / min centrifuged for 10 min, and the precipitates were vacuum-dried at 80°C for 12 h to ...
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