Preparation method of woven bag flat wires with high stability
A stable, woven bag technology, used in filament/thread forming, textile and papermaking, fiber processing, etc., can solve the problem of high cost, achieve the effect of reducing the degree of entanglement, good surface bonding, and enhanced resistance
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Embodiment 1
[0025] A kind of preparation method of woven bag flat yarn with high stability comprises the following steps:
[0026] S1 ultra-high molecular weight polyethylene pretreatment: put ultra-high molecular weight polyethylene and paraffin oil into the mixing tank for swelling pretreatment, the swelling time is 20min, the swelling temperature is 134°C, and then the swollen body is filtered with an 80-mesh filter;
[0027] S2 raw material blending and drying: 5kg of swelling body obtained in step S1, 100kg of polypropylene particles, 500g of PP-g-MAH, 1kg of trimellitic anhydride, 50g of bis-octylamine, 10kg of nano-calcium carbonate, 100g of hindered amine stabilizer, aryl Put 100g of sodium phosphate ester and 10g of hydroquinone into the drying mixer and stir, the drying temperature is 100°C, and the drying time is 30min;
[0028] S3 extrusion process: Put the material obtained by blending and drying in the S2 step into a twin-screw extruder. The material goes through three proce...
Embodiment 2
[0033] A kind of preparation method of woven bag flat yarn with high stability comprises the following steps:
[0034] S1 ultra-high molecular weight polyethylene pretreatment: Put ultra-high molecular weight polyethylene and paraffin oil into a mixing tank for swelling pretreatment, the swelling time is 30min, the swelling temperature is 136°C, and then the swollen body is filtered through an 80-mesh filter;
[0035] S2 raw material blending and drying: 7kg of swelling body obtained in step S1, 100kg of polypropylene particles, 700g of PP-g-MAH, 1.5kg of trimellitic anhydride, 70g of aromatic phosphite, 13kg of nano-calcium carbonate, 300g of hindered amine stabilizer, Put 150g of aluminum arylphosphate and 15g of hydroquinone into the drying mixer and stir, the drying temperature is 80°C, and the drying time is 50min;
[0036] S3 extrusion process: Put the material obtained by blending and drying in the S2 step into a twin-screw extruder. The material goes through three proc...
Embodiment 3
[0041] A kind of preparation method of woven bag flat yarn with high stability comprises the following steps:
[0042] S1 ultra-high molecular weight polyethylene pretreatment: put ultra-high molecular weight polyethylene and paraffin oil into a mixing tank for swelling pretreatment, the swelling time is 30min, the swelling temperature is 138°C, and then the swollen body is filtered through an 80-mesh filter;
[0043]S2 raw material blending and drying: 10kg of swelling body obtained in step S1, 100kg of polypropylene particles, 1.5kg of PP-g-MAH, 2kg of trimellitic anhydride, 100g of hydroquinone, 15kg of nano-calcium carbonate, 500g of hindered amine stabilizer, Put 200g of aluminum aryl phosphate and 20g of hydroquinone into the drying mixer and stir, the drying temperature is 100°C, and the drying time is 30min;
[0044] S3 extrusion process: Put the material obtained by blending and drying in the S2 step into a twin-screw extruder. The material goes through three processe...
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