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Method for preparing cotton-like fabric through alkali decrement

A technology of alkali weight reduction and fabric, which is applied in textiles and papermaking, fiber treatment, fiber type, etc., can solve the problems of large loss of raw materials, etc., and achieve the effect of improving bulkiness, soft luster, and enhancing fluffy feeling

Inactive Publication Date: 2012-05-02
潘润华
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to overcome the problem of large loss of raw materials by reducing the weight of polyester fabrics by about 20% with high concentration alkali

Method used

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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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] The 2 / 1 twill gray fabric with a texture of 75D / 72F*150D / 288F / 134*86 and a specification of 106GSM*260CM is used. Firstly, it is unrolled, and after sanding, it is subjected to a high-temperature reduction operation under an overflow dyeing machine. The solution components used are caustic soda 10g / L, detergent 1g / L, and the bath ratio is 1:15. First, the temperature is raised to 130°C at a speed of 2°C / min, kept for 30 minutes, and then heated at a speed of 2°C / min. Cool down to 80°C, keep warm for 30-60min, then cool down to room temperature at a rate of 2-4°C / min, wash with water and neutralize, then do dyeing in the original vat; carry out setting operation under the setting machine, and the setting condition is temperature 180°C , the speed is 60 m / min, and the overfeed is 4%. According to the needs of customers, it can be printed at 130°C; after the operation is completed, the packaging is inspected, and the finished product specification is 115GSM*243CM.

Embodiment 2

[0023] The 2 / 1 twill gray fabric with a texture of 75D / 72F*75D / 144F / 134*122 and a specification of 87GSM*260CM is used. Firstly, it is unrolled, and after sanding, it is subjected to a high-temperature reduction operation under an overflow dyeing machine. The solution components used are caustic soda 10g / L, detergent 1g / L, and the bath ratio is 1:15. First, the temperature is raised to 130°C at a speed of 2°C / min, kept for 30 minutes, and then heated at a speed of 2°C / min. Cool down to 80°C, keep warm for 30-60min, then cool down to room temperature at a rate of 2-4°C / min, wash with water and neutralize, then do dyeing in the original vat; carry out setting operation under the setting machine, and the setting condition is temperature 180°C , the speed is 60 m / min, and the overfeed is 4%. According to customer requirements, it can be printed at 130°C; after the operation is completed, the packaging is inspected, and the finished product has a specification of 100GSM*243CM.

Embodiment 3

[0025] Use the 2*3cm sliver jacquard fabric with a weave of 75D / 72F*150D / 288F / 134*76 and a specification of 97GSM*260CM. First unwind it, and after sanding, perform high-temperature reduction under the overflow dyeing machine Operation, the solution components used are caustic soda 10g / L, detergent 1g / L, the bath ratio is 1:15, the temperature is first raised to 130°C at a speed of 2°C / min, kept for 30 minutes, and then heated at 2°C / min Cool down to 80°C at a speed of 1 min, keep warm for 30-60min, then cool down to room temperature at a speed of 2-4°C / min, wash with water and neutralize, and then do dyeing in the original vat; carry out setting operation under the setting machine, and the setting conditions are as follows: The temperature is 180°C, the speed is 60 m / min, and the overfeed is 4%. According to customer requirements, it can be printed at 130°C; after the operation is completed, the packaging is inspected, and the finished product has a specification of 105GSM*24...

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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Abstract

The invention discloses a method for preparing cotton-like fabric through alkali decrement. The method comprises the steps of: a. first conducting unwinding treatment to polyester grey fabric, then carrying out sanding treatment; b. performing high temperature alkali decrement treatment in a high-temperature high-pressure overflow dyeing machine; c. dyeing and bleaching the treated fabric; d. carrying out shaping treatment to the dyed fabric for stabilizing the dimension; e. examining and packing a finished product. The high temperature alkali decrement technology consists of: with 10-15g / L of sodium hydroxide and 1g / L of a detergent, controlling the bath ratio at 1:15, first raising the temperature to 120-130DEG C at a speed of 2-5DEG C / min, conducting thermal insulation for 20-30min, then lowering the temperature to 50-80DEG C at a speed of 2-4DEG C / min, carrying out thermal insulation for 30-60min, and then lowering the temperature to normal temperature at a speed of 0.5-2.5DEG C / min. The fabric prepared by the method of the invention has the advantages that: 1. the fabric surface has dense and flat lines, the handfeel is soft and fluffy and surpasses cotton; 2. fibers have a strong fluffy feel, the luster is gentle, and the fabric surface can generates diffuse reflection to light and has gentle luster; 3. the fabric surface is smooth, has good permeability, and can improve chemical fibers, static resistance and stuffy feeling; the product can compare favorably with cotton fabric in terms of performances, and has lower price.

Description

technical field [0001] The invention relates to a method for producing cotton-like polyester fabric, in particular to a method for producing polyester fabric by a high-temperature reduction method. Background technique [0002] Polyester is the fastest-growing and most productive type of fiber among synthetic fibers. It occupies a considerable proportion in the entire textile fiber. It has the advantages of high strength, good elasticity, good wear resistance and practicality, but its hygroscopicity and wearability The performance is poor. At present, for polyester, polyester cotton or polyester viscose fabrics with high requirements, alkali weight reduction treatment is required. After weight reduction treatment, the fiber has soft luster, soft handle, and its hygroscopicity is also improved. However, In the process of polyester alkali weight reduction, there are common problems such as weight reduction reproducibility, stable line difference and extremely low alkali utiliz...

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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Patent Type & Authority Applications(China)
IPC IPC(8): D06M11/38D06M101/32
Inventor 潘润华
Owner 潘润华
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