Hydrolysable natural high-toughness water absorbing material and preparation method thereof
A water-absorbing material and high-toughness technology, applied in the field of water-absorbing materials and preparation, can solve the problems of fast water absorption rate, long preparation time, poor salt resistance of ionic high water-absorbing materials, etc. The preparation method is simple and convenient, and the effect of promoting the water absorption effect
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[0027] According to the formula in the table below, weigh the weight of each raw material. And prepare product examples 1-5 and comparative examples 1-7 according to the following steps.
[0028] (1) Add acrylic acid and starch in proportion to aqueous sodium hydroxide solution, mix well and pregelatinize at 70°C for 3-5 minutes to obtain component A;
[0029] (2) Cool down to 40°C, add component B oxidized short cellulose fibers with a length of 50-100 mm to component A, mix evenly in a mixer and add component C;
[0030] (3) Heat up to 70°C in a closed environment, knead for 1 hour, take out slices, dry and pulverize to obtain the product.
[0031]
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