High-weatherability silane-crosslinked polyethylene insulation composite material and preparation method thereof
A polyethylene insulation and silane crosslinking technology, applied in the field of composite materials, can solve the problems of poor comprehensive performance, insufficient weather resistance and mechanical properties, low compatibility of polyethylene, etc., achieve good corrosion resistance, improve mechanical strength, The effect of improving compatibility
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[0016] Non-limiting examples of the present invention are as follows:
[0017] A high weather resistance silane cross-linked polyethylene insulation composite material is prepared from the following component raw materials by weight (kg):
[0018] Low-density polyethylene resin 140, novolac resin 3, titanium dioxide 3, diatomaceous earth 8, lightly burned dolomite powder 12, octylphenol polyoxyethylene ether 0.8, benzotriazole 0.4, polypropylene glycol 2.5, diphenyl Methane diisocyanate 0.4, Swire oil 1.5, trioctyl trimellitate 3, silane compounding agent 5;
[0019] Wherein the silane compounding agent is made by the component raw material of following weight (kg): silane coupling agent A-151 2, fluorocarbon surfactant FC-4430 0.3, dicumyl peroxide 0.08, dibutyltin dilaurate 0.15, antioxidant 1010 0.4; the preparation method is to mix silane coupling agent A-151, dicumyl peroxide, dibutyltin dilaurate and antioxidant 1010 and stir at 200r / min for 15min before adding fluoroca...
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