Preparation method for hemp rope capable of preventing hand laceration
A hemp rope and anti-cut technology, which is applied in the field of preparation of anti-cut hand hemp rope, can solve the problems affecting the safety of use, wear of the user's hand, rough surface, etc., achieve strong friction, easy to distinguish, smooth and tidy surface Effect
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[0016] The production method of the polyester fiber described in this embodiment, the preparation environment temperature is controlled at 25±2°C;
[0017] The hemp rope is made of jute fiber, and the polyester material is made of polypropylene slices;
[0018] (1) Drying of polyester chips: crystallization temperature 150°C, drying temperature 120°C, inlet pressure of drying tower 0.20Mpa, chip drying residence time: 2.0 hours;
[0019] (2) Polyester chip melting: screw extrusion melting, melting temperature control, zone 1: 250°C, zone 2: 255°C, zone 3: 261°C, zone 4: 261°C, zone 5: 271°C, zone 6 : 271°C, box temperature control 250°C, screw pressure: 110kgf, add antistatic agent, the amount added is 3-4% of the weight of polyester chips;
[0020] (3) Polyester melt spraying: spray the polyester melt on the surface of the hemp rope through the annular nozzle, so that the surface of the hemp rope is coated with polyester melt;
[0021] (4) Cooling: Guide the hemp rope coate...
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