| 摘要 |
The present invention relates to a low-temperature keeping substance which is packed into a closed chamber formed between two rims of a cool mug to keep drinks held in the cool mug and comprises water, water absorptive polymer of acrylate resin polymer, stuffed into a chamber of a cool mug; wherein the water and water absorptive polymer are in the ratio of 13:1 (cc:g) mixed together as a low-temperature keeping substance which expands and becomes a semisolid one. CaCl can also be used as a freeze-resist substance and Sodium Benzoate used as a presevative and antiseptic so as to prevent the low-temperature keeping substance from being a sharp ice as well as increase the safety when a consumer uses it. Besides, the low-temperature keeping substance has various colors and makes the cool mug look colorful in an aesthetically pleasing manner and gives people a pleasant feeling.
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