Novel halogen-free flame retardant modification thermoplastic elastomer data line sheath material and manufacturing method thereof
A thermoplastic elastomer, data cable technology, used in plastic/resin/wax insulators, conductors, insulated conductors, etc., can solve the problem that phosphate esters are easy to migrate to the surface of materials, flame retardants are easy to migrate to the surface of materials, and flame retardant TPE products Poor electrical properties and other problems, to achieve the effect of blocking the release of heat and the conduction of combustible gases, good flame retardant synergy, and improving mechanical properties
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[0015] A new type of halogen-free flame-retardant modified thermoplastic elastomer data cable sheath material, made of the following parts by weight (kg) of raw materials: SEBS100, paraffin oil 65, polypropylene 29, polypropylene grafted maleic anhydride 21, anti Oxygen agent B2153, magnesium hydroxide 81, expanded graphite 10.5, silane coupling agent A-1711.6, absolute ethanol 8, stearic acid 2, calcium carbonate 9, silicone masterbatch 2, zinc oxide 1, maleic acid 5. Polyvinyl alcohol 1.5.
[0016] The novel halogen-free flame-retardant modified thermoplastic elastomer data cable sheath material of the present invention is made by the following specific steps:
[0017] (1) Dry the magnesium hydroxide in a blast drying oven at 110°C for 4 hours; add silane coupling agent A-171 to absolute ethanol, stir at 500 rpm for 30 minutes, and then spray it On the dry magnesium hydroxide, then send it to a high-speed mixer, add expanded graphite, stir at room temperature for 30 minutes at a...
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