Flame retardant resin composition
A technology of flame retardant resin and composition, applied in the field of flame retardant resin composition, can solve the problems of low 100% elongation strength, poor mechanical properties of cable sheathing materials, etc., achieve high elongation strength, reduce propagation speed, mechanical good performance
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[0033] Example 1
[0034] 100 parts by weight of hydrogenated styrene-butadiene block copolymer resin (SEBS) (Baling Petrochemical, YH-561), 30 parts by weight of simethicone (WACKER, AK201, Germany), polystyrene (Yangzi BASF, 476L) 15 parts by weight, 40 parts by weight of composite flame retardant, 10 parts by weight of ethylene acrylate maleic anhydride copolymer (Arkema, LOTADER 4210), 1 part by weight of anti-dripping agent PTFE, 1 part by weight of calcium stearate Parts, 3 parts by weight of silicon copper and 1 part by weight of antioxidant 1010 and 1 part by weight of antioxidant 168 are fully mixed in a high-speed mixer (Zhangjiagang Yili Machinery SHR-500A) at high speed for 10 minutes. Among them, in the composite flame retardant, the weight ratio of phosphoric acid ester, amine polyphosphate and whiteness-coated red phosphorus is 1:0.1:2, the phosphoric acid ester is bisphenol A bis(diphenyl phosphate), polyphosphoric acid The degree of polymerization of the amine is ...
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[0040] Example 2
[0041] The flame-retardant resin composition of the present invention was prepared according to the method described in Example 1, except that a nitrogen-phosphorus composite flame retardant (Hangzhou Jiersi, PNP1) was used to replace the composite flame retardant.
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[0042] Example 3
[0043] 100 parts by weight of SEBS resin, 40 parts by weight of phenyl silicone oil (Shenzhen Jipeng Silicon Fluorine Material, 255-A / 500CS), 20 parts by weight of polypropylene, 25 parts by weight of composite flame retardant, ethylene methyl acrylate copolymer ( EMA) 15 parts by weight, 5 parts by weight of anti-dripping agent PTFE, 0.3 parts by weight of calcium stearate, 0.3 parts by weight of silicon copper, and 0.2 parts by weight of antioxidant 1010 and antioxidant 168 in a high-speed mixer at high speed. Mix for 10 minutes. Among them, in the composite flame retardant, the weight ratio of phosphoric acid ester, amine polyphosphate and whitening coated red phosphorus is 1:2:5, the phosphoric acid ester is resorcinol (diphenyl phosphate), and the weight ratio of polyphosphoric acid is 1:2:5. The degree of polymerization of the amine is 1800, and the whiteness of the coated red phosphorus is Lianyungang Trust Siliconized FRW30.
[0044] The mixed materials ...
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