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Mercerized yarn liquid ammonia treatment method

A liquid ammonia treatment and mercerized yarn technology, which is applied in fiber treatment, textiles and papermaking, etc., can solve the problems of high cost of alkali recovery, and achieve the effects of improved dyeing performance, high timeliness, and smooth hand feeling

Inactive Publication Date: 2013-06-19
赵建鹏
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] For the alkaline mercerizing treatment method of cotton and linen fibers, there are problems such as high alkali recovery cost, and the alkaline mercerizing treatment method has great limitations on the treatment method for yarns

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Shake the bobbin yarn into skeins, the girth of the skeins is 130 cm, and the weight of each skein is 95 grams. To avoid tight twists, any tight twists should be removed and loosened again. In order to prevent the yarn from being difficult to manage after entering the machine, several tie-ups can be added to the skeined yarn. After entering the machine, straighten the yarn, put the skeined yarn on the mercerizing roller, and keep the yarn smooth and even to prevent overlapping.

[0016] Tighten the mercerizing roll and increase the tension. The length of the tensioned frame is 130 cm. Then soak the taut skein in liquid ammonia. The mercerizing roll rotates. The skein is squeezed between the mercerizing roll and the roll. For 15 seconds, the ammonia soaking temperature is -33 degrees Celsius. Shake off excess liquid nitrogen from the treated skein in a liquid ammonia drying cylinder, then soak it in water at a temperature of 60 degrees Celsius to remove residual liquid ...

Embodiment 2

[0018] The present invention is used for processing 2000 public count flax yarns (flax 100%), and bobbin yarn is shaken into skein yarn, and the girth of skein yarn is 135 centimeters, and each skein yarn weighs 95 grams, and 2-4 lines are tied to skein yarn, After entering the machine, put the skeined yarn on the mercerizing roller in turn, requiring uniformity and no overlap. Add tension to the skein yarn on the mercerizing roller, and immerse it in liquid ammonia for 45 seconds under rotating conditions. The mercerizing roller and the roll cooperate to roll the skein yarn of liquid ammonia. The temperature of the liquid ammonia is -32 degrees, and then remove the tension, take The skeined yarn is soaked in water at a temperature of 55 degrees Celsius, soaked for 45 seconds, and then dried until the water content is 50%, and then placed in a circulating hot air flow at a temperature below 65 degrees Celsius for drying. Exit the machine when the moisture is less than 10%. Th...

Embodiment 3

[0020] Use the present invention to process 32 English count pure cotton mercerized yarns, 32 pure cotton yarns (cotton 100%) bobbin, every skein 75 grams, shake into skein yarn, girth 132 centimeters, can tie 2 roads to skein yarn After entering the machine, put the skeined yarn on the mercerizing roller in turn, requiring uniformity and no overlap. Add tension to the skein yarn on the mercerizing roller, and immerse it in liquid ammonia for 50 seconds under the rotating condition. The mercerizing roller and the roller cooperate to roll the skein yarn of liquid ammonia. The temperature of the liquid ammonia is -34 degrees Celsius, and then remove the tension. Take off the skein, soak in water at a temperature of 55 degrees Celsius, soak for 50 seconds and then dry it until the water content is 60%, then place it in a circulating hot air flow, and dry it at a temperature below 70 degrees Celsius. When it is less than 12%, the skeined gauze is netted into a cylinder or directly...

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Abstract

The invention relates to a mercerized yarn liquid ammonia treatment method, which is a plant fiber modification method through liquid ammonia treatment. With the method, gloss, softness, and smooth texture of the plant fiber are improved. The mercerized yarn liquid ammonia treatment method comprises the processes of: yarn arranging, yarn lapping, ammonia soaking, water washing, spin-drying, and bake-drying. Before ammonia soaking, a mercerizing roll is tensioned, such that tension is increased. During the ammonia soaking process, the yarn is rolled by using the mercerizing roll and a rolling roll. The method provided by the invention is mainly used in modifications of pure yarns and blended yarns of hemp, flax, ramie, cannabis sativa, apocynum, viscose fiber, and other cellulose fibers. The method can also be used in modifications of blended yarns of the plant fiber and fibers such as chemical fiber, wool, and silk.

Description

technical field [0001] The invention relates to a method for treating mercerized yarn with liquid ammonia, which modifies plant fibers to increase luster, softness and smoothness. Background technique [0002] The theoretical research on the liquid ammonia processing technology system of textiles began in the 1930s, and it was officially put into industrial production in the 1970s. The liquid ammonia processing technology was first developed in Norway in 1963 by Dexter Risa University and the Norwegian Central Industrial Research Institute. At that time, it was only a technology of finishing yarns by hand to replace yarn mercerizing. Due to the strong permeability of liquid ammonia to cotton fibers, the ammonia liquid remaining on the yarn is easier to remove than lye, and has a better mercerizing effect than liquid lye, so it has been paid attention to. [0003] For the alkaline mercerizing treatment method of cotton and linen fibers, there are problems such as high recov...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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IPC IPC(8): D06M11/84D06M11/61
Inventor 赵建鹏
Owner 赵建鹏
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