Composite flame retardant for low-density polyethylene
A low-density polyethylene and compound flame retardant technology, applied in the field of compound flame retardants, can solve the problems of melting dripping, large smoke generation, etc. Effect
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Embodiment 1
[0012] A composite flame retardant for low-density polyethylene, comprising the following raw materials in parts by weight: 12 parts of antimony trioxide, 40 parts of decabromodiphenylethane, 50 parts of titanate coupling agent NDZ-201 Sexual bentonite.
[0013] The preparation method of the titanate coupling agent NDZ-201 modified bentonite is as follows: in parts by weight, add 20 parts of sodium-based bentonite into distilled water with a liquid-solid ratio of 20, raise the temperature to 90°C and stir Disperse evenly, then add 1.2 parts of titanate coupling agent NDZ-201, stir at constant temperature for 100 minutes, filter while hot after the reaction, put it in an oven to dry at 95°C, cool and pulverize and pass through a 200-mesh sieve to obtain titanate coupling Joint agent NDZ-201 modified bentonite.
Embodiment 2
[0015] A composite flame retardant for low-density polyethylene, comprising the following raw materials in parts by weight: 17 parts of antimony trioxide, 37 parts of decabromodiphenylethane, 46 parts of titanate coupling agent NDZ-201 Sexual bentonite.
[0016] The preparation method of the titanate coupling agent NDZ-201 modified bentonite is as follows: in parts by weight, add 20 parts of sodium-based bentonite into distilled water with a liquid-solid ratio of 30, raise the temperature to 80°C and stir Disperse evenly, then add 1 part of titanate coupling agent NDZ-201, stir at constant temperature for 140min, filter while hot after the reaction is completed, put it in an oven to dry at 95°C, cool and pulverize and pass through a 200-mesh sieve to obtain titanate coupling Joint agent NDZ-201 modified bentonite.
Embodiment 3
[0018] A composite flame retardant for low-density polyethylene, comprising the following raw materials in parts by weight: 16 parts of antimony trioxide, 50 parts of decabromodiphenylethane, 33 parts of titanate coupling agent NDZ-201 Sexual bentonite.
[0019] The preparation method of the titanate coupling agent NDZ-201 modified bentonite is as follows: in parts by weight, add 20 parts of sodium-based bentonite into distilled water with a liquid-solid ratio of 26, raise the temperature to 100°C and stir Disperse evenly, then add 0.8 parts of titanate coupling agent NDZ-201, stir at constant temperature for 120 minutes, filter while hot after the reaction is completed, put it in an oven to dry at 95°C, cool and pulverize and pass through a 200-mesh sieve to obtain titanate coupling Joint agent NDZ-201 modified bentonite.
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