High-strength flame-retardant cable special material and preparation method thereof
A technology for flame-retardant cables and special materials, which is applied in the field of special materials for cables, and can solve problems such as flammability restrictions and wide application
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Embodiment 1
[0039]A high-strength flame-retardant cable special material, the cable special material includes the following raw materials in parts by weight: 100 parts of methyl vinyl silicone rubber, 5 parts of boron oxide, 15 parts of reinforcing filler, 30 parts of low melting point glass powder, magnesium hydroxide 15 parts, 10 parts of aluminum hydroxide, 1 part of modified flame retardant, 8 parts of structure control agent, 3 parts of 2,4-dichlorobenzoyl, 20 parts of decabromodiphenyl.
[0040] The structure control agent is prepared by mixing magnesia, wollastonite and zirconia in a molar ratio of 6:5:1.
[0041] The preparation method of modified flame retardant comprises the steps:
[0042] (1) Weigh an appropriate amount of hexachlorocyclotriphosphazene, 4,4-dihydroxydiphenyl sulfone, and acetonitrile into reaction kettle A, and mix them uniformly by ultrasonic mixing for 15 minutes;
[0043] (2) Add an appropriate amount of triethylamine to the reactor A, and the molar ratio ...
Embodiment 2
[0057] A special material for high-strength flame-retardant cables. The special material for cables includes the following raw materials in parts by weight: 120 parts of methyl vinyl silicone rubber, 1 part of boron oxide, 20 parts of reinforcing filler, 20 parts of low melting point glass powder, magnesium hydroxide 20 parts, 5 parts of aluminum hydroxide, 5 parts of modified flame retardant, 5 parts of structure control agent, 5 parts of 2,4-dichlorobenzoyl, 15 parts of decabromodiphenyl ether.
[0058] The structure control agent is prepared by mixing magnesia, wollastonite and zirconia in a molar ratio of 6:5:1.
[0059] The preparation method of modified flame retardant comprises the steps:
[0060] (1) Weigh an appropriate amount of hexachlorocyclotriphosphazene, 4,4-dihydroxydiphenyl sulfone, and acetonitrile into reaction kettle A, and mix them uniformly by ultrasonic mixing for 20 minutes;
[0061] (2) Add an appropriate amount of triethylamine to the reactor A, and ...
Embodiment 3
[0069] A high-strength flame-retardant cable special material, the cable special material includes the following raw materials in parts by weight: 100 parts of methyl vinyl silicone rubber, 5 parts of boron oxide, 15 parts of reinforcing filler, 30 parts of low melting point glass powder, magnesium hydroxide 15 parts, 10 parts of aluminum hydroxide, 1 part of modified flame retardant, 8 parts of structure control agent, 3 parts of 2,4-dichlorobenzoyl, 20 parts of decabromodiphenyl ether.
[0070] The structure control agent is prepared by mixing magnesia, wollastonite and zirconia in a molar ratio of 6:5:1.
[0071] The preparation method of modified flame retardant comprises the steps:
[0072] (1) Weigh an appropriate amount of hexachlorocyclotriphosphazene, 4,4-dihydroxydiphenyl sulfone, and acetonitrile into reaction kettle A, and mix them uniformly by ultrasonic mixing for 20 minutes;
[0073] (2) Add an appropriate amount of triethylamine to the reactor A, and the molar...
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