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A kind of fabric stiffening agent and preparation method thereof

A technology for stiffening agent and fabric, applied in the field of fabric stiffening agent and its preparation, can solve the problem of little dependence on equipment, and achieve the effects of less dependence on equipment, excellent performance stability, and easy availability of raw materials

Active Publication Date: 2021-12-07
湖北纽卡莱纺织科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to overcome the defects in the prior art, the present invention aims to provide a fabric stiffening agent and a preparation method thereof. The preparation method is simple and easy, the raw materials are easy to obtain, the price is low, the dependence on equipment is small, and the reaction conditions are not required. It is harsh and suitable for industrialized production; the fabric stiffening agent prepared by the preparation method overcomes the very serious technical problems of free formaldehyde release, pollution of the environment and moisture absorption and re-adhesion that exist in traditional fabric stiffening agents, and has higher stiffness, resistance Bending length and breaking strength, more excellent performance stability, better stiffening effect and harmless to human body

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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  • A kind of fabric stiffening agent and preparation method thereof

Examples

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Comparison scheme
Effect test

Embodiment 1

[0024] A preparation method of a fabric stiffening agent, comprising the steps of:

[0025] 1. Dissolve 20g of (2-acryloyloxyethyl)trimethylammonium chloride and 10g of sodium alginate in 50g of tetrahydrofuran, stir and react at room temperature for 10 hours, then remove tetrahydrofuran by rotary evaporation, and then add dichloromethane Extract the product, and finally filter and remove dichloromethane by rotary evaporation to obtain (2-acryloyloxyethyl) quaternary ammonium alginate;

[0026] Ⅱ. Add 1,3-bis(oxiranylmethyl)-5-(2-propenyl)-1,3,5-triazine- 2,4,6(1H,3H,5H)-triketone 10g, allyl cyclodextrin 20g, isobutyl methacrylate 10g, (2-acryloyloxyethyl) quaternary ammonium alginate 10g, Potassium persulfate 0.5g, fatty alcohol polyoxyethylene ether 0.5g and water 150g were stirred and reacted for 2 hours under a nitrogen atmosphere at 65°C, and then dimethyloldihydroxyethylene urea was added to it. 6.3g and sodium carbonate 3g were added in Stir and react at 75°C for 6 ho...

Embodiment 2

[0029] A preparation method of a fabric stiffening agent, comprising the steps of:

[0030] 1. Dissolve 25g of (2-acryloyloxyethyl)trimethylammonium chloride and 10g of sodium alginate in 65g of tetrahydrofuran, stir and react at room temperature for 10.5 hours, then remove tetrahydrofuran by rotary evaporation, and then add dichloromethane Extract the product, and finally filter and remove dichloromethane by rotary evaporation to obtain (2-acryloyloxyethyl) quaternary ammonium alginate;

[0031] Ⅱ. Add 1,3-bis(oxiranylmethyl)-5-(2-propenyl)-1,3,5-triazine- 2,4,6(1H,3H,5H)-triketone 10g, allyl cyclodextrin 20g, isobutyl methacrylate 10g, (2-acryloyloxyethyl) quaternary ammonium alginate 10g, Sodium persulfate 0.6g, isomeric alcohol polyoxyethylene ether 0.6g and water 165g, stirred and reacted for 2.5 hours under a helium atmosphere at 68°C, and then added dimethyloldihydroxyethylene urea 6.3g and sodium bicarbonate 3g, stirred and reacted at 79°C for 7 hours, cooled to room...

Embodiment 3

[0034] A preparation method of a fabric stiffening agent, comprising the steps of:

[0035] 1. Dissolve 30g of (2-acryloyloxyethyl)trimethylammonium chloride and 10g of sodium alginate in 75g of tetrahydrofuran, stir and react at room temperature for 11 hours, then remove tetrahydrofuran by rotary evaporation, and then add dichloromethane Extract the product, and finally filter and remove dichloromethane by rotary evaporation to obtain (2-acryloyloxyethyl) quaternary ammonium alginate;

[0036] Ⅱ. Add 1,3-bis(oxiranylmethyl)-5-(2-propenyl)-1,3,5-triazine- 2,4,6(1H,3H,5H)-triketone 10g, allyl cyclodextrin 20g, isobutyl methacrylate 10g, (2-acryloyloxyethyl) quaternary ammonium alginate 10g, Ammonium persulfate 0.7g, castor oil polyoxyethylene ether 0.7g and water 180g were stirred and reacted for 2.7 hours at 70°C in a neon atmosphere, and then dimethyloldihydroxyethylene urea 6.3g and ammoniacal liquor 3g were added thereto. Stir and react at 80°C for 7.2 hours, cool to room...

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 provides a preparation method of a fabric stiffening agent, comprising the following steps: firstly preparing (2-acryloyloxyethyl) quaternary ammonium alginate; )‑5‑(2‑propenyl)‑1,3,5‑triazine‑2,4,6(1H,3H,5H)‑trione, allyl cyclodextrin, isobutyl methacrylate, (2-acryloyloxyethyl) quaternary ammonium alginate is used as a monomer to carry out emulsion polymerization, and dimethylol dihydroxyethylene urea is added to carry out a polycondensation reaction to obtain a fabric stiffening agent. The method of the invention is simple and easy to implement, and has little dependence on equipment, and the prepared fabric stiffening agent has higher stiffness, bending resistance length and breaking strength, more excellent performance stability, better stiffness effect and harmless to human body. .

Description

technical field [0001] The invention relates to the technical field of fabric materials, in particular to a fabric stiffening agent and a preparation method thereof. Background technique [0002] Stiffening agent is a kind of fabric auxiliary used to improve the appearance of fabrics, increase the elasticity and fullness of fabrics, and impart stiffness. It forms a thin film or produces cross-linking inside, between fibers or on the surface of fibers, so that the fabric has a stiff, thick and plump feel. It is widely used in the finishing process of decorative fabrics, especially for curtains, bags, wares Stiff finishing of knitted fabrics and interlinings. [0003] At present, the common stiffening agents are mainly urea-formaldehyde resin type and acrylate series. The former contains the problem of free formaldehyde release, which does not meet the environmental protection requirements, and after finishing, the fabric feels rough; the latter has a wide variety of syntheti...

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 Patents(China)
IPC IPC(8): D06M13/358D06M15/03D06M15/263D06M13/432
CPCD06M13/358D06M13/432D06M15/03D06M15/263D06M2200/20
Inventor 程旺生周妍蕾雷小素
Owner 湖北纽卡莱纺织科技有限公司
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