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High strength and low extending thick Denier polypropylene yarns and production thereof

A production method and technology of polypropylene yarn, applied in the field of textile fiber processing, can solve the problem that polypropylene yarn cannot complete the processing of 3000-14000 d special ply network, achieve excellent mechanical properties and chemical resistance stability, increase output and reduce production costs Effect

Inactive Publication Date: 2007-12-26
江苏嘉纶新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the polypropylene thread cannot complete the 3000-14000 cents special joint stock network processing

Method used

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  • High strength and low extending thick Denier polypropylene yarns and production thereof

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Embodiment Construction

[0040] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0041]The polypropylene raw material of a certain specification is sucked into the hopper through the storage bin, melted by the screw extruder, the screw shell is electrically heated, and the melt enters the spinning box through pre-filtering. There are 12 spinning boxes, each with double spinnerets, each with a metering pump to control the metering. The spinneret is rectangular, and the spinning assembly is a bottom-loading type. The tow is cooled by side blowing, and the formed tow is oiled and sent to the first seven-roller drawing by the traction roller. The drawing rolls are heated by hot oil to preheat the tow to a certain temperature. The tow is uniformly heated to the stretching temperature by the hot air from the upper and lower directions in the first heating box, and each tow stretched by the second seven-roller is stretched and shaped in ...

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Abstract

The invention opened an extra thick polypropylene thread with the thread density of 3000-14000 fine-titrings and the extensibility between 11% and 15%. The product has not only the character of the normal polypropylene thread but the big strength and the low extensibility.

Description

technical field [0001] The invention relates to a high-strength polypropylene fiber, which belongs to the special textile fiber processing technology in the field of textile science and technology. As a new industrial textile material, the polypropylene yarn is mainly used for warp-knitted civil grids in the construction of railways and roads, bank slopes and dams, agricultural irrigation and drainage systems, port foundations, and flood dams. Background technique [0002] High-strength polypropylene fiber has light weight, high strength, wear resistance, low thermal conductivity, acid and alkali resistance, chemical resistance, less static electricity accumulation, and almost no moisture absorption. In nylon and other advantages. In addition, it also has the advantages of short production process, low investment, low energy consumption and raw material consumption, so its price is cheap. [0003] The high strength and impact resistance of high-strength polypropylene yarn ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D01F6/06
Inventor 张锡明薛小平
Owner 江苏嘉纶新材料有限公司
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