Fold-resistant flame-retardant cable sheath material and preparation method thereof
A cable sheathing and anti-folding technology, applied in the direction of insulated cables, cables, circuits, etc., can solve the problems of insufficient mechanical properties, poor anti-folding properties, and defects in flame retardant properties, and achieve good anti-folding properties and flame retardant effects. Good, prolong life effect
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Embodiment 1
[0016] (1) Mix 30 parts of polypropylene resin, 25 parts of polytetrafluoroethylene resin, 2 parts of antimony acetylacetonate and 3 parts of chromium dihydrogen phosphate, and react at a temperature of 70°C for 1 hour to obtain mixture A;
[0017] (2) Add 10 parts of zinc stearate, 3 parts of magnesium oxide and 5 parts of barium hexafluorosilicate to the mixture A described in step (1), stir rapidly at a speed of 300r / min for 10min, then raise the temperature to 100 °C, reacted for 30 minutes to obtain mixture B;
[0018] (3) The mixture B described in step (2), 10 parts of epoxy butyl oleate, 8 parts of propylene glycol sebacate, 4 parts of tributyl citrate, 4-amino-4-methyldiphenyl Mix 12 parts of ether and 1 part of chloroacetamide, react at a temperature of 120° C. for 1 hour, and stir rapidly for 20 minutes to obtain mixture C; put mixture C into an extruder and extrude to obtain the cable sheath material. After testing, the cable sheath material has an oxygen index of...
Embodiment 2
[0024] (1) Mix 45 parts of polypropylene resin, 35 parts of polytetrafluoroethylene resin, 8 parts of antimony acetylacetonate and 7 parts of chromium dihydrogen phosphate, and react at a temperature of 80°C for 2 hours to obtain mixture A;
[0025] (2) Add 15 parts of zinc stearate, 8 parts of magnesium oxide and 12 parts of barium hexafluorosilicate to the mixture A described in step (1), stir rapidly at a speed of 450r / min for 15min, then raise the temperature to 120 °C, reacted for 40min to obtain mixture B;
[0026] (3) The mixture B described in step (2), 18 parts of epoxy butyl oleate, 15 parts of propylene glycol sebacate, 12 parts of tributyl citrate, 4-amino-4-methyldiphenyl 18 parts of ether and 5 parts of chloroacetamide were mixed, reacted at 130° C. for 2 hours, and stirred rapidly for 30 minutes to obtain mixture C; put mixture C into an extruder and extrude to obtain the cable sheath material. After testing, the oxygen index of the cable sheath material is 28%...
Embodiment 3
[0032] (1) Mix 35 parts of polypropylene resin, 30 parts of polytetrafluoroethylene resin, 4 parts of antimony acetylacetonate and 5 parts of chromium dihydrogen phosphate, and react at a temperature of 70°C for 1 hour to obtain mixture A;
[0033] (2) Add 12 parts of zinc stearate, 5 parts of magnesium oxide and 8 parts of barium hexafluorosilicate to the mixture A described in step (1), stir rapidly at a speed of 350r / min for 10min, then raise the temperature to 100 °C, reacted for 30 minutes to obtain mixture B;
[0034] (3) The mixture B described in step (2), 12 parts of epoxy butyl oleate, 10 parts of propylene glycol sebacate, 7 parts of tributyl citrate, 4-amino-4-methyldiphenyl Mix 14 parts of ether and 2 parts of chloroacetamide, react at a temperature of 130°C for 2 hours, and then stir rapidly for 30 minutes to obtain a mixture C; put the mixture C into an extruder and extrude to obtain the cable sheath material. After testing, the cable sheath material has an oxy...
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Abstract
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