Halogen-free flame-retardant nylon 66 composite material and preparation method thereof
A composite material and flame-retardant technology, applied in the field of polymers, can solve problems such as restrictions and toxicity
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[0031] In addition, the present invention also provides a preparation method of a halogen-free flame-retardant nylon 66 composite material, comprising the following steps:
[0032] Weigh each component by weight as follows:
[0033]
[0034]
[0035] Among them, the halogen-free flame retardant is a mixture of halogen-free organic phosphine flame retardants and intumescent phosphorus-nitrogen flame retardants;
[0036] After mixing the above-mentioned raw materials except glass fiber evenly, extrude to granulate, and add glass fiber during extrusion, wherein the temperature during extrusion is controlled at 200-250°C.
[0037] The above-mentioned halogen-free flame-retardant nylon 66 composite material is made of nylon 66 resin, halogen-free flame retardant, glass fiber, nucleating agent and other additives through high-temperature extrusion and granulation. The material has a good flame-retardant effect and can reach UL-94. V-0 level, in line with flame retardant requi...
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