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A polymer and wash-resistant fabric water repellent

A technology of polymers and waterproofing agents, applied in the direction of plant fibers, textiles, papermaking, and liquid-repellent fibers, etc., can solve problems such as weak washing resistance, increased waterproofing agents, and loss of water and oil repellent functions

Active Publication Date: 2022-07-08
DONGGUAN DONGYANG SOLAR SCI RES & DEV CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Moreover, the existing fluorocarbon water-based water-repellent and oil-repellent agents have weak washing resistance. After being treated on the fabric, the water-repellent and oil-repellent function will be lost after washing in a washing machine. The market demand for washing-resistant water repellent agents is increasing. Increase

Method used

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  • A polymer and wash-resistant fabric water repellent
  • A polymer and wash-resistant fabric water repellent
  • A polymer and wash-resistant fabric water repellent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] The present embodiment provides a kind of polymer, and its preparation method is as follows:

[0047] Weigh out 7.7 g of the compound represented by the formula (I), 3.85 g of methyl methacrylate, 3.025 g of tridecafluorooctyltrimethoxysilane, 0.165 g of N-methylol acrylamide, and octadecyltrimethyl 0.165g of ammonium chloride, 0.33g of S-80 emulsifier, 0.33g of L-64 emulsifier, 0.33g of Tween-20 emulsifier, 2.2g of tripropylene glycol, and 36.74g of deionized water were placed in a four-necked flask and heated to 55 ℃, stirring until the solid dissolves, and the dissolved solution is emulsified and homogenized to obtain a pre-emulsion. Continue to heat to 67°C, stir evenly, and then add 0.165 g of azodiisobutylamidine dihydrochloride and deionized water, and keep the reaction for 7 hours to obtain the result.

[0048] The polymers provided in this example can be directly used as fabric water repellants.

Embodiment 2

[0050] The present embodiment provides a kind of polymer, and its preparation method is as follows:

[0051] Weigh out 9.35 g of the compound represented by the formula (I), 3.85 g of methyl methacrylate, 3.575 g of tridecafluorooctyltrimethoxysilane, 0.275 g of N-methylol acrylamide, and octadecyltrimethyl Ammonium chloride 0.22g, S-80 emulsifier 0.3025g, L-64 emulsifier 0.3025g, Tween-20 emulsifier 0.3025g, tripropylene glycol 2.75g, deionized water 33.88g in a four-necked flask, heated to 55 ℃, stirring until the solid dissolves, and the dissolved solution is emulsified and homogenized to obtain a pre-emulsion. Continue to heat to 67° C., stir evenly, then add 0.1925 g of azodiisobutylamidine dihydrochloride and deionized water, and keep the reaction for 7 h to obtain the result.

[0052] The polymers provided in this example can be directly used as fabric water repellants.

Embodiment 3

[0054] The present embodiment provides a kind of polymer, and its preparation method is as follows:

[0055] Weigh out 11 g of the compound represented by the formula (I), 3.41 g of octadecyl acrylate, 3.3 g of tridecafluorooctyltrimethoxysilane, 0.11 g of N-methylol acrylamide, and octadecyltrimethyl chloride Ammonium 0.165g, S-80 emulsifier 0.33g, L-64 emulsifier 0.33g, Tween-20 emulsifier 0.33g, tripropylene glycol 2.75g, deionized water 33g were placed in a four-necked flask, heated to 55°C, stirred , until the solid dissolves, and the dissolved solution is emulsified and homogenized to obtain a pre-emulsion. Continue to heat to 67° C., stir evenly, then add 0.275 g of azodiisobutylamidine dihydrochloride and deionized water, and keep the reaction for 7 hours.

[0056] The polymers provided in this example can be directly used as fabric water repellants.

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Abstract

The invention relates to a polymer prepared from raw materials including polymerized monomers and emulsifiers; the polymerized monomers include monomer 1, monomer 2, monomer 3 and monomer 4. The tridecafluorooctyltrimethoxysilane used in the present invention itself has excellent waterproof performance, and the siloxane contained in the siloxane is hydrolyzed to obtain a hydroxyl group, and the hydroxyl group can interact with the reactive group in the reactive crosslinking monomer and the reactive group on the fabric. The hydroxyl groups are chemically bonded to form a three-dimensional network structure, which makes the fabric not only have excellent waterproof and oil-repellent effects, but also can significantly improve the washing resistance of the fabric, which has broad application prospects.

Description

technical field [0001] The present invention relates to the field of water and oil repellency of fabrics, in particular to a polymer and a washing-resistant fabric water repellent containing the polymer. Background technique [0002] The existing fluorocarbon water-based emulsion water and oil repellent monomers perfluorooctanoic acid (PFOA) and perfluorooctanesulfonyl PFOS were found to be potentially carcinogenic chemicals after being explored by scientists. The above substances will produce toxic gas during use, which will cause fatal injury to the human body. On June 27, 2008, the European Union officially implemented the directive to ban PFOS, and many international organizations (such as the US Environmental Protection Agency, Canadian Environmental Organization, etc.) have regulated the production and use of perfluorinated compounds. Companies such as 3M have stopped producing perfluoroalkyl long-chain compounds. Therefore, the development of perfluoroalkyl long-cha...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D06M15/285C08F8/42C08F212/14C08F220/14C08F220/58C08F220/18D06M101/06
CPCD06M15/285C08F8/42C08F212/14D06M2200/12D06M2101/06D06M2200/11C08F220/14C08F220/58
Inventor 李义涛吴小云何鑫侯琴卿别文丰晏超
Owner DONGGUAN DONGYANG SOLAR SCI RES & DEV CO LTD
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