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Method for preparing water-repellent polyester fibers

A technology of polyester fiber and water repellent, which is applied in the direction of fiber type, fiber treatment, melt spinning, etc., and can solve the problems of increased processing procedures, complexity, and high production costs

Inactive Publication Date: 2011-03-09
远纺工业(上海)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] (1) It is necessary to pre-treat the woven cloth, the process is cumbersome and complicated, and the production cost is relatively high;
[0005] (2) The waste liquid rate is very high, which not only increases the cost of the stock solution, but also makes it difficult to recycle the waste liquid;
[0006] (3) It is necessary to process the fibers after weaving them into cloth, increasing the processing steps and increasing the cost

Method used

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  • Method for preparing water-repellent polyester fibers
  • Method for preparing water-repellent polyester fibers
  • Method for preparing water-repellent polyester fibers

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Experimental material

[0044] In an exemplary embodiment of the present invention, the following experimental raw materials are used:

[0045] PET polyester chips: IV: 0.65dl / g; moisture content after crystallization and drying is below 50ppm;

[0046] Spinning oil: polyester fiber spinning oil, produced in Takemoto, Japan

[0047] Water-repellent agent: Suzhou Yuanrui fluorine-based water-repellent agent, brand name; UNIDYEN TG-823

[0048] Bridging agent: Suzhou Yuanrui isocyanic acid bridging agent, brand; FARAGENT CL-324

[0049] Antistatic agent: Suzhou Yuanrui polyester fiber antistatic agent.

[0050] Water: deionized water.

[0051] Preparation Process:

[0052] Prepare a certain amount of water-repellent treatment liquid, weigh 320g of water-repellent agent, 40g of bridging agent, 40g of antistatic agent, and 80g of spinning oil, add water to a total volume of 1L, put it in a container, and stir well. The prepared water-repellent treatment solution is in...

Embodiment 2

[0067] The types and grades of raw materials used are the same as in Example 1, and the processing technology is the same as in Example 1, except that the water repellent dosage is changed to 160g, the bridging agent is 20g, the antistatic agent is 40g, and the spinning oil is 80g, and water is added to make the total volume 1L

[0068] Product test results are shown in Table 1, Table 2 and Table 3.

Embodiment 3

[0070]The types and grades of raw materials used are the same as in Example 1, and the processing technology is the same as in Example 1, except that the amount of water repellent is changed to 80g, the bridging agent is 10g, and the spinning oil is 80g. Water is added to make the total volume 1L, and antistatic is not added. agent

[0071] Product test results are shown in Table 1, Table 2 and Table 3.

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Abstract

The invention discloses a method for preparing water-repellent polyester fibers, which is characterized in that the water-repellent polyester fiber is prepared by using existing spinning equipment through the step of directly adding drying agent and bridging agent and the like into spin finishes. When the water-repellent polyester fibers are weaved into garters, the contact angle of the water-repellent polyester fiber can be over 120 degrees without damaging various performances of the fiber, thereby realizing the continuous, efficient and pollution-free water repellent finish of the polyester fiber.

Description

technical field [0001] The invention belongs to the field of chemical fibers. Specifically, the present invention relates to a preparation method of functional fibers, more specifically, the present invention relates to a preparation method of permanent water-repellent polyester fibers. Background technique [0002] The main principle of water-repellent fiber is: use chemical water-repellent agent to reduce the surface tension of the fiber, so that water droplets cannot wet the surface. The existing water-repellent fabrics are basically treated by padding, and the water-repellent agents used are usually fluorocarbons. [0003] Common water-repellent fluorocarbons currently on the market include Zepe 1588 and Teflon from DuPont, AG480 and AG710 from Asahi Glass, TG410 and TG527 from Daikin, EC50 from Nikka, Oleophonbol from Huntsman, etc. . Although the requirements of various fluorocarbons are different, the finishing process is generally the same. Generally, the padding...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D01D5/08D06M13/00D06M15/00D06M101/32
Inventor 吴汝瑜褚智伟陆掌国周海霞李家诗
Owner 远纺工业(上海)有限公司
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