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
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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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