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Preparation method of fabric hand-improving non-ironing resin

A non-ironing resin and hand feel technology, which is applied in the direction of improved hand feel fibers, plant fibers, textiles and papermaking, can solve the problems of hard hand feel, flammable raw materials, and few reaction sites, so as to improve the quality of garments and overcome The fabric is hard and the preparation method is simple

Active Publication Date: 2020-11-24
ZIBO LURUI FINE CHEM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, because part of the resin covers the surface of the cellulose after etherification and crosslinking, the hand feeling of the fabric deteriorates, which affects its wearability.
[0003] At present, a variety of non-iron finishing agents have been developed at home and abroad to improve the defects of 2D resins or to give 2D resins other functions, such as the development of formaldehyde-free resins recorded in patents CN 101434685B and CN 106496481A, which reduces the toxicity of formaldehyde, but the former uses Nitrogen-containing polycyclic rings are reactants, which have few reaction sites and poor non-ironing properties. The latter uses chlorohydrin, epichlorohydrin, etc. instead of formaldehyde to react. The raw materials used are flammable and explosive, and chlorohydrin is still toxic and irritating. Oxychloropropane is even more carcinogenic; and the problem of hard hand feeling after non-ironing finishing has not been effectively improved, and non-ironing resins with improved fabric feel are rarely reported

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

[0024] Add 261g 40% glyoxal aqueous solution, 283.8g 37% formaldehyde aqueous solution and 120g urea successively in the 2000mL round bottom flask equipped with reflux condenser, thermometer probe, online pH meter probe and mechanical stirrer, heat and maintain the temperature to 65 °C, use 14.3 g of 20% aqueous sodium hydroxide solution to maintain the pH value of the reaction solution at 6.5. Stop the reaction until the residual amount of formaldehyde in the solution is less than 0.5%. After the reaction solution is cooled to 45°C, add 134.4g methanol and 382g tallow amine polyoxyethylene ether (containing 5 ethoxy groups), adjust the pH value of the solution to 2.4 with 8.7g 85% phosphoric acid, and then use 3.5g 36.5% The pH value of the solution was adjusted to 0.6 with hydrochloric acid, and the reaction was carried out at 50° C. for 7 minutes. After the reaction, add 11.7g of 50% sodium hydroxide aqueous solution to adjust the pH value to 5.5. After the reaction is com...

Embodiment 2

[0026] Add 290g 40% glyoxal aqueous solution, 267.57g 37% formaldehyde aqueous solution and 120g urea successively in the 2000mL round bottom flask equipped with reflux condenser, thermometer probe, online pH meter probe and mechanical stirrer, heat and maintain the temperature to 60 °C, use 27.5 g of 15% sodium carbonate aqueous solution to maintain the pH value of the reaction solution at 7.0. Stop the reaction until the residual amount of formaldehyde in the solution is less than 0.5%. After the reaction solution is cooled to 45°C, add 182.2g ethanol and 277g cocoamide diethanolamine, adjust the pH value of the solution to 2.5 with 9.2g 85% phosphoric acid, and then adjust the pH value of the solution to 0.7 with 4.0g 36.5% hydrochloric acid. Under the conditions, react for 15min. Add 41.2g of 15% sodium carbonate aqueous solution after the reaction finishes, after the temperature of the mixed solution is cooled to 40°C after the reaction is finished, distill under reduced...

Embodiment 3

[0028] Add 275.5g 40% glyoxal aqueous solution, 275.67g 37% formaldehyde aqueous solution and 120g urea successively in the 2000mL round-bottomed flask equipped with reflux condenser, thermometer probe, online pH meter probe and mechanical stirrer, heat and maintain the temperature to At 55°C, 43.3g of 20% aqueous sodium bicarbonate solution was used to maintain the pH value of the reaction solution at 6.0. Stop the reaction until the residual amount of formaldehyde in the solution is less than 0.5%. After the reaction solution was cooled to 45°C, 244.8g of isopropanol and 214g of laurylamine polyoxyethylene ether (containing 5 ethoxy groups) were added, and the pH value of the solution was adjusted to 2.6 with 8.5g of 85% phosphoric acid, and then 3.7g of 36.5% The pH value of the solution was adjusted to 0.5 with hydrochloric acid, and the reaction was carried out at 52° C. for 25 minutes. After the reaction, add 104.5g of 10% sodium bicarbonate aqueous solution. After the ...

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 belongs to the technical field of textile auxiliary agents and specifically relates to a preparation method for a fabric hand feel improved type easy-care resin. The preparation method comprises the following steps: successively adding glyoxal, formaldehyde and urea into a reactor to react under certain conditions; adding alcohols materials and organic amines materials for reacting;and finally, performing reduced pressure distillation, cooling and then discharging, thereby acquiring an end product. The preparation method for the easy-care resin provided by the invention is simple; the fabric after the easy-care treatment with the resin prepared according to the invention has high easy-care level and less residual formaldehyde; compared with the fabric finished with common 2Dresin, the fabric feels soft and smooth, has the characteristics of durability and pressing resistance, overcomes the defect of hard easy-care fabric and promotes the quality of the end product of clothing.

Description

technical field [0001] The invention belongs to the technical field of textile auxiliaries, and in particular relates to a preparation method of a non-ironing resin for improving fabric hand feeling. Background technique [0002] The most commonly used fabric non-ironing finishing agent on the market is 2D non-ironing resin. Because it has multiple hydroxyl groups, it can be etherified and cross-linked with the hydroxyl groups in the cellulose molecules, preventing the cellulose molecules from slipping under the action of external force, thus preventing the formation of wrinkles and achieving the purpose of durable pressing. However, part of the resin covers the cellulose surface after etherification and cross-linking, resulting in poor hand feeling of the fabric and affecting its wearability. [0003] At present, a variety of non-iron finishing agents have been developed at home and abroad to improve the defects of 2D resins or to give 2D resins other functions, such as th...

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): C08G12/42C08G12/12D06M15/423D06M101/06
CPCC08G12/12C08G12/422D06M15/423D06M2101/06D06M2200/20D06M2200/50
Inventor 张怀迁王艾德张琳涵
Owner ZIBO LURUI FINE CHEM CO LTD
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