Method for preparing co-polymerized polyocarboxy acid oxymethylene-free anti-creasing finish agent
A technology of anti-wrinkle finishing agent and polycarboxylic acid, which is applied in the fields of fiber treatment, textiles and papermaking, etc., can solve the problems such as the impact of the type of polymer main chain end group on the performance of the polymer, and achieve a balance between cost and Use effect, improve appearance index, overcome expensive effect
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Embodiment 1
[0019] (1) 48g maleic anhydride was mixed with 200g mass percent 30% hydrogen peroxide in a reaction flask, and reacted for 20-40 minutes at 40°C to generate peroxidized maleic anhydride as an initiator solution;
[0020] (2) Heat up to 100°C, keep stirring and reflux, continuously add 96g of acrylic acid aqueous solution dropwise from the dropping funnel, and complete the dropwise addition within 2 hours;
[0021] (3) Keep the reflux reaction for 2 hours, and cool down to 40° C. to obtain a colorless or light yellow transparent liquid.
Embodiment 2
[0023] With embodiment 1, the addition amount of hydrogen peroxide is 160g, all the other conditions are constant.
Embodiment 3
[0025] With embodiment 1, the addition amount of hydrogen peroxide is 240g, all the other conditions are constant.
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