Formaldehydeless permanent press finishing agent for fabric and preparation method and application thereof
A non-iron finishing and fabric technology, applied in textiles and papermaking, fiber processing, plant fibers, etc., can solve the problems that cannot be popularized and applied, the anti-wrinkle effect is not as good as 2D resin, and the cost is low. , the effect of small strength loss
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Embodiment 1
[0091] A, preparation of initiator aqueous solution: 0.2g ammonium persulfate is added water 15g to make initiator aqueous solution;
[0092] B. Synthesis: Add acrylamide 27.5g, glyoxal 12.5g, deionized water 44.0g, phthalic dipotassium anhydride 0.3g and 98(V / V)% concentrated sulfuric acid 0.25g, feed nitrogen, heat up to 50-70°C for 3-5 hours, cool down to about 40°C after reaction, take out 40-60g, heat up to 60-80°C, add sodium bisulfite 0.3g, then add 5-8g of initiator aqueous solution to initiate, after initiation, drop the remaining reactant and initiator aqueous solution at 75-90°C, control the time of dropping within 1-2 hours, add 0.02g after dropping Chain terminator - p-hydroxyanisole, and react at 75-90°C for 1-5 hours to obtain the desired product, which can be used for non-ironing finishing of cellulose fibers to improve the elasticity of fabrics.
Embodiment 2
[0094] A, the preparation of initiator aqueous solution: 0.15g ammonium persulfate is added water 15g to make initiator aqueous solution;
[0095] B. Synthesis: Add acrylamide 21.3g, glyoxal 8.7g, deionized water 54.2g, phthalic anhydride 0.25g and 98(V / V) % concentrated sulfuric acid 0.20g, feed nitrogen, heat up to 50-70°C and react for 3-5 hours, cool down to about 40°C after reaction, take out 40-60g, heat up to 60-80°C, add sodium bisulfite 0.2g, then add 5-8g of initiator aqueous solution to initiate, after initiation, drop the remaining reactants and initiator aqueous solution at 75-90°C, control the drop time within 1-2 hours, add 0.01g after the dropwise addition Chain terminator-p-hydroxyanisole, react at 75-90°C for 1-5 hours, cool down to 40°C to obtain the desired product, which can be used for non-ironing finishing of cellulose fibers to improve the elasticity of fabrics.
Embodiment 3
[0097] A, the preparation of initiator aqueous solution: 0.5g potassium persulfate is added water 15g to make initiator aqueous solution;
[0098] B. Synthesis: Add acrylamide 33.8g, glyoxal 16.2g, deionized water 33.2g, acetic anhydride 0.4g and 98 (V / V)% respectively in a four-necked flask equipped with a stirrer, a thermometer and a condenser Concentrated sulfuric acid 0.35g, feed nitrogen, heat up to 50-70°C and react for 3-5 hours, cool down to about 40°C after reaction, take out 40-60g, heat up to 60-80°C, add 0.5g of sodium bisulfite, Then add 5-8g of initiator aqueous solution to initiate, after initiation, drop the remaining reactants and initiator aqueous solution at 75-90°C, control the drop time within 1-2 hours, add 0.02g chain terminator after the dropwise addition - Hydroquinone, react at 75-90°C for 1-5 hours, cool down to 40°C and add 25g of deionized water to obtain the desired product, which can be used as an auxiliary agent for acrylate resins to improve th...
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