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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

Inactive Publication Date: 2017-11-10
桐乡守敬应用技术研究院有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, most of the traditional hemp ropes have a rough surface. Although the hemp fibers are twisted into the strands of the hemp rope, some fibers still protrude from the surface of the hemp rope, which will cause wear and tear on the user's hands during use and affect the use. Safety
[0003] The traditional hemp rope anti-cut hand generally increases the twist of the rope strands, so that the hemp fibers are twisted into the rope strands as much as possible, but excessive twist will have an adverse effect on the overall strength of the hemp rope, which will make the hemp rope Stiff, not conducive to its use

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[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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PUM

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Abstract

The invention relates to a preparation method for a hemp rope cable of preventing hand laceration. The surface of the hemp rope is coated by polyester through a fusion spraying manner, so hemp fibers in the hemp rope are not exposed, friction force of rope strands is guaranteed, and harm brought by the hemp fibers in the hemp rope to a user can be prevented.

Description

technical field [0001] The invention relates to the field of hemp rope preparation, in particular to a preparation method of cut-resistant hand hemp rope. Background technique [0002] Hemp rope is widely used in industrial and agricultural production. It has the characteristics that polyester material rope does not have, and it is irreplaceable in some industries. However, most of the traditional hemp ropes have a rough surface. Although the hemp fibers are twisted into the strands of the hemp rope, some fibers still protrude from the surface of the hemp rope, which will cause wear and tear on the user's hands during use and affect the use. Safety. [0003] The traditional hemp rope anti-cut hand generally increases the twist of the rope strands, so that the hemp fibers are twisted into the rope strands as much as possible, but excessive twist will have an adverse effect on the overall strength of the hemp rope, which will make the hemp rope Hard, not conducive to its use...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D07B1/14D07B7/14D06M15/507D06M101/06
CPCD07B1/142D06M15/507D06M2101/06D07B7/145D07B2205/106D07B2205/2014D07B2205/2039D07B2401/2075D07B2801/18D07B2801/10
Inventor 钟海炎
Owner 桐乡守敬应用技术研究院有限公司