Heat aging resistant polyvinyl chloride pipe and preparation method thereof
A polyvinyl chloride, heat-resistant aging technology, applied in the field of PVC materials and its preparation, can solve the problems of poor thermal stability, aging resistance, reduced service life, and deterioration of mechanical properties, and achieve excellent heat aging resistance and excellent wear resistance properties, high tensile strength and elongation at break
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[0014] A heat-resistant aging polyvinyl chloride pipe is made of the following raw materials in weight (kg): SG-5 type PVC resin 45, polyamideimide 35, barium cadmium zinc composite stabilizer 2, E wax 5, tertiary ten Dialkyl mercaptan 3.5, Isooctyl thioglycolate 7, Brominated polystyrene 17, Poly-4-methyl-1-pentene 13, Glyceryl monostearate 4, Scorched gemstone powder 12, Beryllium oxide 4 , asbestos powder 8, tris (xylene) phosphate 9, mannitol 2.5, trimethylsilyl crotonate 6, boron acylate 3.5, cadmium ricinoleate 2, lead ricinoleate 1.5, dipropylene glycol two Paraben 12, trimethyl citrate 10, composite nanopowder 18;
[0015] The preparation method of the composite nanopowder is as follows: a. Weigh dolomite, celestite and medical stone in a ratio of 8:6:3 by weight, mix well, calcinate at 880° C. for 1 hour, cool to room temperature, pulverize, and sieve , stand-by, b, take 5 times the weight of the powder obtained in step a, the solid content is 40% of silica sol, ...
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