Phosphorated-crosslinked-graphene flame-retardant composite material and preparation method thereof
A flame-retardant composite material and graphene technology, applied in the field of materials, can solve problems such as agglomeration, affecting the stability and strength of finished products, and poor flame retardancy, and achieve the effects of improving stability, strength, flame retardancy, and dispersion
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Embodiment 1
[0019] A kind of phosphating cross-linked graphene flame retardant composite material, it is made up of the raw material of following weight part:
[0020] Dodecyl mercaptan 1, diisocyanate 0.2, ammonium polyphosphate 7, phosphorus oxychloride 3, phenol 7, graphene oxide 25, trimethylolpropane 1, 2,4-dimethylphenol 20, trichloro Aluminum 0.1, triallyl isocyanurate 0.4, polyvinyl chloride 120.
[0021] The degree of polymerization n of the ammonium polyphosphate is 20.
[0022] A preparation method of phosphating cross-linked graphene flame retardant composite material, comprising the following steps:
[0023] (1) Take ammonium polyphosphate, add it to 51 times its weight, 10% hydrogen peroxide aqueous solution, stir evenly, add dodecyl mercaptan, raise the temperature to 75 ° C, keep stirring for 30 minutes, and obtain hydroxyl barrier flammable dispersion;
[0024] (2) Take phosphorus oxychloride, add it to 17 times its weight in deionized water, stir evenly, add diisocyan...
Embodiment 2
[0031] A kind of phosphating cross-linked graphene flame retardant composite material, it is made up of the raw material of following weight part:
[0032] Dodecyl mercaptan 2, diisocyanate 0.1, ammonium polyphosphate 6, phosphorus oxychloride 2, phenol 6, graphene oxide 25, trimethylolpropane 1, 2,4-dimethylphenol 17, trichloro Aluminum 0.03, triallyl isocyanurate 0.4, polyvinyl chloride 110.
[0033] The degree of polymerization n of the ammonium polyphosphate is 10.
[0034] A preparation method of phosphating cross-linked graphene flame retardant composite material, comprising the following steps:
[0035] (1) Take ammonium polyphosphate, add it to 40 times its weight, 8% hydrogen peroxide aqueous solution, stir well, add dodecyl mercaptan, raise the temperature to 70 ° C, keep stirring for 20 minutes, and obtain hydroxyl barrier flammable dispersion;
[0036] (2) Take phosphorus oxychloride, add it to deionized water 10 times its weight, stir evenly, add diisocyanate, ...
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