A kind of environment-friendly polyvinyl chloride cable material and preparation method thereof
A polyvinyl chloride cable and polyvinyl chloride resin technology, used in circuits, electrical components, plastic/resin/wax insulators, etc., can solve the problem of high flame retardant smoke generation, can not meet the environmental protection requirements of flame retardant products, antimony oxide dust For problems such as harm to the respiratory system, it can achieve the effects of good flame retardancy, good flame retardant and smoke suppression effect, and excellent mechanical properties.
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[0033] The preparation method of flame retardant and smoke suppressant in embodiment 1~3 is as follows:
[0034] 1) Take 2.0 moles of melamine and 1 mole of cyanuric acid, put them into a closed reaction kettle, then add 1000 ml of water, and stir for 50 minutes at a temperature of 110°C;
[0035] 2) Open the reaction kettle, add 2800ml of 1.0 mol / liter hydrochloric acid solution, then dissolve 1.3 moles of zinc chloride and 2.4 moles of sodium hydroxystannate in 2000 ml of water, add them to the reaction kettle, stir evenly, React for 2 hours under certain conditions, cool, wash with water, filter with suction, and dry to obtain a flame retardant and smoke suppressant.
Embodiment 4
[0036] The preparation method of flame retardant and smoke suppressant in embodiment 4 is as follows:
[0037] 1) Take 2.5 moles of melamine and 1 mole of cyanuric acid, put them into a closed reaction kettle, then add 1000 ml of water, and stir for 55 minutes at a temperature of 108°C;
[0038]2) Open the reaction kettle, add 3400ml of 1.0 mol / liter hydrochloric acid solution, then dissolve 0.9 moles of zinc chloride and 3.1 moles of sodium hydroxystannate in 2000 ml of water, add them to the reaction kettle, stir evenly, React for 2 hours under certain conditions, cool, wash with water, filter with suction, and dry to obtain a flame retardant and smoke suppressant.
Embodiment 5
[0039] The preparation method of flame retardant and smoke suppressant in embodiment 5 is as follows:
[0040] 1) Take 3.0 moles of melamine and 1 mole of cyanuric acid, put them into a closed reaction kettle, then add 1000 ml of water, and stir for 40 minutes at a temperature of 110°C;
[0041] 2) Open the reaction kettle, add 2000ml of 1.0 mol / liter hydrochloric acid solution, then dissolve 1.0 mol of zinc chloride and 2.0 mol of sodium hydroxystannate in 2000 ml of water, add it to the reaction kettle, stir evenly, React for 2 hours under certain conditions, cool, wash with water, filter with suction, and dry to obtain a flame retardant and smoke suppressant.
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