PVC pipe material having high toughness, thermal stability and stainless steel effects
A PVC pipe material and heat stabilization technology, applied in the field of PVC pipe preparation, can solve the problems of poor tensile strength and toughness, poor thermal stability, single effect of PVC pipe, etc., to prevent agglomeration, good thermal stability, excellent thermal stability The effect of the stabilization effect
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Embodiment 1
[0035] This embodiment provides a high-toughness, heat-stable PVC pipe with stainless steel effect, comprising the following components in parts by weight: 100 parts of PVC, 20 parts of 400-mesh stainless steel powder, 10 parts of dispersant, 18 parts of whiskers, styrene-butadiene 5 parts of powdered rubber, 3 parts of coupling agent, 1.5 parts of heat stabilizer, and 1 part of lubricant.
[0036] In this embodiment, the whiskers are silicon carbide whiskers; the styrene-butadiene powder rubber has a cross-linked structure, its gel weight percentage is 60wt%, and the average particle diameter of its particles is 50nm; the thermal The stabilizer is lanthanum salicylate and dioctadecyl thiodipropionate with a mass ratio of 1:0.5; the dispersant is methyl cellulose; the coupling agent is γ-(2,3-epoxy Propoxy) propyltrimethoxysilane; the lubricant is microcrystalline wax.
[0037] The preparation method of the above-mentioned high-toughness, heat-stable PVC pipe with stainless s...
Embodiment 2
[0045]This embodiment provides a high-toughness, heat-stable PVC pipe with stainless steel effect, comprising the following components in parts by weight: 100 parts of PVC, 15 parts of 800-mesh stainless steel powder, 8 parts of dispersant, 8 parts of whiskers, styrene-butadiene 8 parts of powdered rubber, 1 part of coupling agent, 3 parts of heat stabilizer, 1.5 parts of lubricant;
[0046] In this embodiment, the whiskers are potassium titanate whiskers; the styrene-butadiene powder rubber has a cross-linked structure, its gel weight percentage is 65wt%, and the average particle diameter of its particles is 150nm; Heat stabilizer is the composition of lanthanum citrate and pentaerythritol (3-n-decyl thiopropionate) that mass ratio is 1:2; Described dispersant is sodium carboxymethyl cellulose; Described coupling agent is γ-mercaptopropyltrimethoxysilane, and the lubricant is PE wax.
[0047] The preparation method of the above-mentioned high-toughness, heat-stable PVC pipe ...
Embodiment 3
[0055] This embodiment provides a high-toughness, heat-stable PVC pipe with stainless steel effect, comprising the following components in parts by weight: 100 parts of PVC, 25 parts of 500-mesh stainless steel powder, 13 parts of dispersant, 12 parts of whiskers, styrene-butadiene 15 parts of powdered rubber, 2 parts of coupling agent, 2 parts of heat stabilizer, 0.5 parts of lubricant;
[0056] In the present embodiment, the whiskers are calcium sulfate whiskers; the styrene-butadiene powder rubber has a cross-linked structure, its gel weight percentage is 70wt%, and the average particle diameter of its particles is 100nm; the thermal The stabilizing agent is a composition of cerium stearate and dioctadecyl thiodipropionate with a mass ratio of 1:1; the dispersant is hydroxyethyl cellulose; the coupling agent is tri(dioctyl pyrophosphoryloxy) titanate isopropyl, and the lubricant is microcrystalline wax.
[0057] The preparation method of the above-mentioned high-toughness,...
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