Low-smoke halogen-free flame retardant polyethylene greenhouse film and production method thereof
A technology of low-density polyethylene and polyethylene, applied in botany equipment and methods, manufacture of fire-resistant and flame-retardant filaments, conjugated synthetic polymer artificial filaments, etc., can solve farmers' health damage, farmers' economic losses, resistance Combustion performance is not good and other problems, to achieve the effect of low cost, good performance, significant economic and social benefits
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Embodiment 1
[0017] Low-smoke, halogen-free and flame-retardant polyethylene greenhouse film, composed of 5 parts of low-density polyethylene, 10 parts of recycled polyethylene material, 20 parts of high-density polyethylene, 20 parts of calcium powder, 3 parts of silicone oil, 3 parts of coupling agent, anti-aging 5 parts of antifoaming agent, 2 parts of defoamer, 1 part of wax, and 40 parts of magnesium hydroxide.
[0018] 1) Drawing:
[0019] Dry all the materials at 100°C according to the formula, put them into the screw extruder, extrude at 270°C, draw wire, and then stretch 7 times through the extension plate with a temperature of 100°C; then set the shape on the shaping plate to determine the wire shape Thickness and shape, the temperature of the sizing plate is 70°C, and the obtained continuous filament is formed into a bobbin by a winder for standby;
[0020] 2) Weaving:
[0021] The prepared bobbin is loaded into a water jet loom, and the cloth is woven according to the warp-to...
Embodiment 2
[0024] Low-smoke, halogen-free, flame-retardant polyethylene greenhouse film, composed of 10 parts of low-density polyethylene, 5 parts of recycled polyethylene material, 30 parts of high-density polyethylene, 30 parts of calcium powder, 5 parts of silicone oil, 3 parts of coupling agent, anti-aging 5 parts of agent, 2 parts of defoamer, 5 parts of wax and 50 parts of magnesium hydroxide.
[0025] 1) Drawing:
[0026] Dry all the materials at 60°C according to the formula, put them into the screw extruder, extrude at 280°C, draw wire, and then stretch 7 times through the extension plate with a temperature of 80°C; then set the shape on the shaping plate to determine the wire shape Thickness and shape, the temperature of the sizing plate is 60°C, and the obtained continuous filament is formed into a bobbin by a winder for standby;
[0027] 2) Weaving:
[0028] The prepared bobbin is loaded into a water jet loom, and the cloth is woven according to the warp-to-weft ratio of 1:...
Embodiment 3
[0031] Low-smoke, halogen-free, flame-retardant polyethylene greenhouse film, composed of 8 parts of low-density polyethylene, 8 parts of polyethylene recycled materials, 25 parts of high-density polyethylene, 25 parts of calcium powder, 4 parts of silicone oil, 2 parts of coupling agent, anti-aging 4 parts of agent, 2 parts of defoamer, 3 parts of wax, 45 parts of magnesium hydroxide.
[0032] 1) Drawing:
[0033] Dry all the materials at 70°C according to the formula, put them into the screw extruder, extrude at 270°C, draw wire, and then stretch 7 times through the extension plate with a temperature of 100°C; then set the shape on the shaping plate to determine the wire shape Thickness and shape, the temperature of the sizing plate is 70°C, and the obtained continuous filament is formed into a bobbin by a winder for standby;
[0034] 2) Weaving:
[0035] The prepared bobbin is loaded into a water jet loom, and the fabric is woven according to the warp-to-weft ratio of 2:1...
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Abstract
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