A method for moisture absorption, perspiration and heat conduction finishing of polyester fabric based on click chemical reaction
A technology of click chemical reaction and polyester fabric, which is applied in the field of functional finishing of polyester fabric, can solve the problems of high energy consumption, complicated process, poor fabric feel, etc., and achieve the effect of simple operation, improved wearing performance, and no impact on strength
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Embodiment 1
[0041] Use 3-mercaptopropyltriethoxysilane KH-580 to modify polyester fabric and graphene oxide, and react with polyurethane moisture-absorbing and sweat-wicking finishing agent, so that polyester has good moisture-wicking and heat-conducting functions. The specific steps are:
[0042] (1) Finishing agent synthesis:
[0043] Use 5ml of acetone as solvent, 1% dibutyltin dilaurate (DBTDL) as catalyst, 0.01mol PEG-400, 0.02mol isocyanoethyl methacrylate at 80°C for 5 hours with mechanical stirring to obtain polyurethane moisture-wicking finishing agent.
[0044] (2) Fabric pretreatment:
[0045] ① Alkali weight reduction: Prepare 90g / L sodium hydroxide, 5g / L Pingping plus O mixed solution, and carry out alkali weight reduction on polyester fabrics for 45 minutes at 70°C;
[0046] ② Mercapto modification: prepare 5wt% 3-mercaptopropyltriethoxysilane (KH-580) mixed solution of ethanol / water (volume ratio 4:1), pH is 3-4, temperature is 25°C, Put 1 g of alkali-reduced polyester ...
Embodiment 2
[0055] Use 3-mercaptopropyltriethoxysilane KH-580 to modify polyester fabric and graphene oxide, and react with polyurethane moisture-absorbing and sweat-wicking finishing agent, so that polyester has good moisture-wicking and heat-conducting functions. The specific steps are:
[0056] (1) Finishing agent synthesis:
[0057] Use 5ml of acetone as solvent, 1% dibutyltin dilaurate (DBTDL) as catalyst, 0.01mol PEG-400, 0.02mol isocyanoethyl methacrylate at 80°C for 5 hours with mechanical stirring to obtain polyurethane moisture-wicking finishing agent.
[0058] (2) Fabric pretreatment:
[0059] ① Alkali weight reduction: Prepare 90g / L sodium hydroxide, 5g / L Pingping plus O mixed solution, and carry out alkali weight reduction on polyester fabrics for 45 minutes at 70°C;
[0060] ② Mercapto modification: prepare 5wt% 3-mercaptopropyltriethoxysilane (KH-580) mixed solution of ethanol / water (volume ratio 4:1), pH is 3-4, temperature is 25°C, Put 1 g of alkali-reduced polyester ...
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