Damp-proof PVC injection moulding material
A technology of injection molding and PVC resin, which is applied in the field of cable injection molding, which can solve the problems of moisture, dull and rough surface of wires, reduction of mechanical properties and insulation performance of wires, etc., and achieve the effect of good softness and smooth and delicate surface of products
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[0024] Example 1
[0025] A moisture-proof PVC injection molding compound made from the following raw materials by weight:
[0026] 80 parts of PVC resin, 20 parts of PE resin, 120 parts of inorganic filler, 25 parts of composite rubber, 2 parts of fluidity modifier, 10 parts of plasticizer, 5 parts of lubricant, 6 parts of heat stabilizer; composite rubber contains the following weights Percentage components, nitrile rubber 35wt%, EPDM rubber 10wt%, silicone rubber 10%, neoprene rubber 45wt%; plasticizer is composed of dioctyl terephthalate and dioctyl phthalate It is composed of 1:0.5 by weight; lubricant is stearic acid; fluidity modifier is talc; film-forming agent is oxidized polyvinyl alcohol;
[0027] The inorganic filler is modified muscovite, which is prepared by the following method:
[0028] Mix muscovite with anhydrous ethanol of 0.3 times the weight of the muscovite and PVA with 0.1 times the weight of the muscovite and add them to a high-speed shearing machine for 0.5 h...
Example Embodiment
[0029] Example 2
[0030] A moisture-proof PVC injection molding compound made from the following raw materials by weight:
[0031] 82 parts of PVC resin, 25 parts of PE resin, 125 parts of inorganic fillers, 257 parts of composite rubber, 2.2 parts of fluidity modifier, 10.5 parts of plasticizer, 5.5 parts of lubricant, 6.5 parts of heat stabilizer; composite rubber contains the following weights Percentage of components, nitrile rubber 37wt%, EPDM rubber 13wt%, silicone rubber 11%, chloroprene rubber 39wt%; plasticizer is made of dioctyl terephthalate and dioctyl phthalate It is composed of 1:0.6 by weight; the lubricant is stearic acid; the fluidity modifier is talc; the film-forming agent is oxidized polyvinyl alcohol;
[0032] The inorganic filler is modified muscovite, which is prepared by the following method:
[0033] Mix muscovite with absolute ethanol 0.4 times the weight of muscovite, and PVA with 0.13 times the weight of muscovite, add them to a high-speed shearing machin...
Example Embodiment
[0034] Example 3
[0035] A moisture-proof PVC injection molding compound made from the following raw materials by weight:
[0036] 85 parts of PVC resin, 30 parts of PE resin, 130 parts of inorganic filler, 27.5 parts of composite rubber, 2.5 parts of fluidity modifier, 11 parts of plasticizer, 6 parts of lubricant, 7 parts of heat stabilizer; composite rubber contains the following weights Percentage of components, nitrile rubber 37.5wt%, EPDM 15wt%, silicone rubber 12.5%, neoprene 35wt%; plasticizers are made of dioctyl terephthalate and dioctyl phthalate Ester is composed of 1:0.65 by weight; lubricant is zinc stearate; fluidity modifier is talc; film-forming agent is oxidized polyvinyl alcohol;
[0037] The inorganic filler is modified muscovite, which is prepared by the following method:
[0038] Mix muscovite with 0.5 times the weight of the muscovite absolute ethanol and 0.15 times the weight of the muscovite with PVA and add them to a high-speed shearing machine for 1.0 hour...
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