Water-absorption-type temperature lowering particles and preparation method thereof
A water-absorbing and granular technology, applied in the field of chemistry, can solve the problems of inability to cool down, suffer from air-conditioning disease, electricity consumption, etc., and achieve the effects of super retention, improved thermal conductivity, and obvious cooling effect.
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[0014] A water-absorbing cooling particle, which is composed of the following weight percentages: the particles include the following components in weight percentages: 20% to 80% of polyacrylic acid, 80% to 20% of acrylamide and an additive oxyolefin; the weight of the additive oxidized olefin It is 2% to 5% of the total amount of polyacrylic acid and acrylamide.
[0015] A method for preparing water-absorbing cooling particles, comprising the following steps:
[0016] Step 1: put polyacrylic acid and acrylamide into the reaction vessel in turn, heat and stir;
[0017] Step 2: heat up and stir, the reaction temperature of the reaction vessel is raised to 80 degrees, add the additive oxyolefin, and continue to heat and stir;
[0018] Step 3: heating reaction, the reaction temperature of the reaction vessel is raised to 150-180 degrees to produce granular polymer;
[0019] Step 4: cooling and sieving, cooling and sieving the granular polymer produced in step 3, and screening o...
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