Preparation method of hollow light fishing net lines

A fishing net line and hollow technology, which is applied in the field of preparation of hollow light fishing net line, can solve the problems of limited space and achieve the effects of increasing surface area, improving bending resistance and wear resistance, and improving frost resistance

Inactive Publication Date: 2018-10-12
CHAOHU TIANYU FISHING TACKLE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Hollow monofilament is an important differential monofilament. The development of hollow monofilament has a history of decades. It is mainly spun through special-shaped spinneret by melt spinning or wet spinning or composite spinning technology. It can be directly s

Method used

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  • Preparation method of hollow light fishing net lines

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Embodiment 1

[0018] A method for preparing a hollow lightweight fishing net line, comprising the following steps:

[0019] (1) Add raw material composition, high-density polyethylene, solvent, antioxidant, mix uniformly at 80 ℃, described raw material composition includes polyethylene, solvent, antioxidant, described polyethylene and solvent have heat Liquid-liquid phase separation point, that is, when the mixture is cooled, the system can undergo thermal liquid-liquid phase separation at a temperature not lower than the crystallization temperature of polyethylene; the polyethylene is high-density polyethylene, and the The solvent described is one or any combination of white oil, kerosene, naphthenic oil, and fatty acid methyl ester; the coagulation liquid in the coagulation liquid tank is the same as the solvent; in the raw material composition, based on Described polyethylene and solvent, the weight fraction of polyethylene is 70wt%

[0020] (2) adopt spinning machine, described spinnin...

Embodiment 2

[0027] A method for preparing a hollow lightweight fishing net line, comprising the following steps: (1) adding a raw material composition, high-density polyethylene, a solvent, and an antioxidant, and mixing uniformly at 80° C., the raw material composition including polyethylene, Solvent, antioxidant, the polyethylene and the solvent have a thermotropic liquid-liquid phase separation point, that is, when the mixture is cooled, the system can undergo thermotropic liquid-liquid phase separation at a temperature not lower than the polyethylene crystallization temperature. phase separation; the polyethylene is a high-density polyethylene, and the solvent is one or any combination of white oil, kerosene, naphthenic oil, fatty acid methyl ester; the coagulation liquid in the coagulation liquid tank and The solvent is the same; in the raw material composition, based on the polyethylene and solvent, the weight fraction of polyethylene is 60wt%

[0028] (2) adopt spinning machine, de...

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Abstract

The invention discloses a preparation method of hollow light fishing net lines. The preparation method comprises the following steps that 1, a raw material composition is added and is uniformly stirred at the temperature of 80 DEG C, wherein the raw material composition is prepared from high-density polyethylene, a flexibilizer, a solvent and an antioxidant; 2, a spinning machine is adopted to conduct spinning on the mixture at the temperature of 160-200 DEG C to obtain hollow monofilaments, and curing formation is performed through a solidification liquid groove; 3, the solvent is removed through a cleaning and washing process; 4, the hollow monofilaments obtained in the step 3 are drafted and then are used as basic units, and a conventional fishing net line manufacturing process is adopted for weaving to obtain the hollow light fishing net lines. The prepared hollow light fishing net lines have the advantages of high pore rate and low line density.

Description

technical field [0001] The invention belongs to the field of fishing gear, and in particular relates to a method for preparing a hollow lightweight fishing net line. Background technique [0002] Hollow monofilament is a special-shaped cross-section chemical monofilament with a tubular cavity in the axial direction. Through its special structure, it exhibits excellent properties such as light weight, good hand feeling, good compression and rebound, and good bulkiness. Hollow monofilament is an important differential monofilament. The development of hollow monofilament has a history of decades. It is mainly spun through special-shaped spinneret by melt spinning or wet spinning or composite spinning technology. It can be directly spun into hollow monofilaments, or can be indirectly obtained by leaching out the middle part after compounding, but it is only used in the production and development of filter membrane materials and clothing fabrics, and the space for use is limited...

Claims

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Application Information

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IPC IPC(8): D02G3/02D02G3/44D01D5/06D01D10/06D01F1/10D01F6/46D01D10/02D01D5/12
CPCD02G3/44D01D5/06D01D5/12D01D10/02D01D10/06D01F1/10D01F6/46D02G3/02D10B2321/0211
Inventor 向泽柱
Owner CHAOHU TIANYU FISHING TACKLE CO LTD
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