Halogen-free, flame-retardant, rat-proof and anti-termite cable wire
An ant-proof cable and rodent-proof technology, which is applied to circuits, electrical components, plastic/resin/wax insulators, etc., can solve problems such as low production efficiency, high energy consumption, and limited material application fields, and achieve low smoke generation Effect
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Embodiment 1
[0038] Preparation of Organic Montmorillonite by Microwave
[0039] Add 25g of montmorillonite and 750g of deionized water, raise the temperature to 75 degrees, add dropwise an aqueous solution containing 12g of dioctyldimethylammonium bromide at a concentration of 20%, and treat it with microwave for 7 minutes every 45 minutes after the addition is completed , stirred for 5 hours, filtered with suction, washed the precipitate with deionized water, silver nitrate (0.1mol / L) could not detect bromide ions, dried in vacuum to constant weight, ground and sieved through 200 meshes to obtain organic modified montmorillonite earth.
Embodiment 2
[0041] Preparation of Dinonyl Acid Phosphate
[0042] Put 2 mol of isononyl alcohol and 1 mol of n-hexane into a four-necked bottle, control the reaction temperature to about 10 degrees under stirring, add dropwise a mixed solution of 1 mol of phosphorus oxychloride and 0.5 mol of n-hexane, raise the temperature to 30 degrees after the dropwise addition, and stir After half an hour, it was raised to 50 degrees, and after stirring for half an hour, it was raised to 60 degrees. The temperature is kept at 60-70 degrees until no hydrogen chloride gas is released, and the unreacted isononyl alcohol and phosphorus oxychloride are evaporated under reduced pressure. Then drop a sufficient amount of water into the system, keep it warm at 50°C for 1 hour to complete the hydrolysis, separate with a separatory funnel, wash away hydrogen chloride with distilled water, and obtain dinonyl acid phosphate with a yield of 85.5%.
Embodiment 3
[0044] Preparation of halogen-free intumescent flame-retardant cable insulation material
[0045] The formula composition of the halogen-free intumescent flame-retardant cable insulation material in parts by weight:
[0046]
[0047] After being kneaded by a plastic kneader and granulated by a granulator, the halogen-free intumescent flame-retardant cable insulation material can be prepared.
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