Preparation method of shredded cloth and shredded cloth

A technology for hand tearing cloth and polyester cloth, applied in the field of hand tearing cloth, can solve problems such as hidden safety hazards, and achieve the effects of improving safety, reducing emissions, and keeping the cloth surface wet.

Active Publication Date: 2022-04-08
碳平(苏州)智能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, a large amount of acetic acid and liquid caustic soda are used in related technologies, and these substances are hazardous chemicals, which brings certain hidden dangers to the safety of production

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0053] This embodiment discloses a method for preparing hand-teared cloth, which is carried out on digital steam-mediated dyeing and finishing equipment, including the following steps:

[0054] S1. Treatment of tearing and brittle damage:

[0055] S1-1. Take an aqueous solution containing 80g trisodium phosphate and 20g sodium polyacrylate per liter as the embrittlement treatment solution; heat up the embrittlement treatment solution to 60°C and use 0.8kg / cm 3 Spray liquid evenly on the polyester cloth (a plain weave fabric woven from cationic modified polyester yarn by water jet loom, 75F in radial direction and 48F in weft direction) to ensure that the liquid carrying amount of polyester cloth is 40% ( o.w.f).

[0056] S1-2. Raise the temperature of the polyester cloth obtained in S1-1 to 130° C. at 3° C. / min, and then keep it warm for 60 minutes.

[0057]In this step, trisodium phosphate, which is a weak acid and strong alkali salt, can decompose polyester cloth fibers (i...

Embodiment 2-11

[0073] Examples 2-11 are basically the same as Example 1, except that the concentration of each component of the embrittlement treatment solution is different, see Table 1 for details.

[0074] Table 1 Concentration of each component of the embrittlement treatment solution of Examples 2-11

[0075] project trisodium phosphate Sodium polyacrylate Example 1 80 20 Example 2 120 30 Example 3 180 45 Example 4 240 60 Example 5 300 75 Example 6 360 90 Example 7 400 100 Example 8 240 40 Example 9 240 48 Example 10 240 80 Example 11 240 120

[0076] Note: The concentration unit of each component is g / L.

Embodiment 12

[0078] This embodiment is basically the same as Embodiment 4, except that the embrittlement treatment liquid also includes 2-acrylamido-2-methylpropanesulfonic acid.

[0079] S1-1 is specifically: Take an aqueous solution containing 240g trisodium phosphate, 60g sodium polyacrylate and 20g 2-acrylamido-2-methylpropanesulfonic acid per liter as the embrittlement treatment solution; raise the temperature of the embrittlement treatment solution to 60°C Then at 0.8kg / cm 3 Spray the liquid evenly on the polyester cloth with a high spray pressure to ensure that the liquid carrying amount of the polyester cloth is 40% (o.w.f).

[0080] Through the addition of 2-acrylamido-2-methylpropanesulfonic acid as a high-temperature resistant penetrating agent, on the one hand, 2-acrylamido-2-methylpropanesulfonic acid can Lock moisture and keep the cloth surface moist; on the other hand, trisodium phosphate (weak acid and strong alkali salt) can uniformly and quickly It penetrates into the p...

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PUM

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Abstract

The invention relates to the field of hand-tearing cloth, and particularly discloses a preparation method of hand-tearing cloth and the hand-tearing cloth. The preparation method of the shredded fabric comprises the following steps: taking a brittle damage treating fluid containing weak acid and strong alkali salt and an acrylic polymer to act on the polyester fabric, and enabling the mass ratio of the weak acid and strong alkali salt to the acrylic polymer to be not higher than 6: 1; carrying out heat treatment on the polyester fabric in an environment at the temperature of 100 DEG C or above; and neutralizing and shaping to obtain the hand tearing cloth. The hand tearing cloth is obtained by adopting the method. The tearing strength in the warp direction and the tearing strength in the weft direction of the hand-tearing cloth are both in the range of 3.5-6 N, and the hand-tearing cloth has ideal hand-tearing performance. Through cooperation of the weak acid and strong alkali salt, the acrylic acid polymer and the high temperature, the tearing strength of the polyester fabric is reduced, and the polyester fabric has hand tearing performance and meets the specific use requirements of electronic adhesive tape cloth and trademark cloth; therefore, the use of dangerous articles such as acid liquor and alkali liquor is reduced, the safety of preparing the hand tearing cloth is improved, and the pollution to the environment is also reduced.

Description

technical field [0001] The present application relates to the field of hand-tear cloth, more specifically, it relates to a preparation method of hand-tear cloth and hand-tear cloth. Background technique [0002] Due to the special use scenarios and methods of electronic tape cloth and trademark cloth, the base fabric is required to be a hand-tearable cloth with a tear strength in the warp direction and a weft direction in the range of 3.5-6N, which can be torn by hand. For a long time, electronic tape cloth and trademark cloth have been made of acetate cloth woven from acetate silk as the base cloth. Acetate cloth is a kind of fabric with very low tear strength, which can be torn at will by hand, which is suitable for the use scenarios of electronic tape cloth and trademark cloth. [0003] However, the source of acetate silk and the dyeing of woven cloth depend more on foreign countries, which brings certain restrictions to the use of acetate cloth as tear cloth. In the re...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06M15/263D06M11/71D06M13/41D06M101/32
Inventor 刘政
Owner 碳平(苏州)智能科技有限公司
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