An instant cooling gel ice pack. The preparation steps are as follows: firstly, propylene glycol, glycerol or ethylene glycol are made into liquid small packages together with water, and the weight ratio is 70%-85% of water, 15%-30% of propylene glycol, glycerol or ethylene glycol, put the finished liquid packet into the bag made of nylon film first.
Then put ammonium nitrate or urea, or a mixture of the two into this nylon film bag, the weight of which is the same weight as the liquid packet; and then put superabsorbent resin or sodium polyacrylate (ammonium) or CMC into the nylon film bag, weight The percentage is 0.5%-5% of the total weight, and then the nylon film bag is sealed with a high temperature pressing machine.
The instant cooling gel ice pack is used for the first time without cooling, which not only has the effect of instant cooling but also has the comfort of gel. After the second use, it is directly placed in the refrigerator to cool, and when needed, it can be taken out and used at any time. It has the function of storing cold and heat, and it feels comfortable to use. It immediately evolves from an instant ice pack to a gel ice pack.
In the hot summer, when we work, study or live, we will inevitably have a high fever, itchy skin, sprains and other phenomena. At this time, we need some products for cold compress. When a cold compress is needed, the reusable ice gel pack is a great choice for immediate use.