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Application of color-changing silica gel in the deodorizing and drying of the refrigerator and family house

A color-changing silica gel and home environment technology, which is applied in the field of refrigerator and home environment deodorization, dry deodorant, and achieves the effect of strong adsorption capacity and simple method

Inactive Publication Date: 2008-03-05
吕向东
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But there is no evidence to use color-changing silica gel in refrigerators and household deodorants and desiccants

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Place a glass, plastic, or ceramic container filled with cobalt-free yellow color-changing silicone in the refrigerator. After a period of time, the yellow color-changing silica gel changes from yellow when it is unsaturated, and slowly turns green due to the absorption of odor and moisture in the refrigerator, and turns blue-purple when the silica gel reaches a fully saturated state.

[0016] Heat the blue-purple color-changing silica gel in a microwave oven to regenerate. The heating temperature is not higher than 105°C: depending on the amount of color-changing silica gel used and the power of the microwave, the heating time can range from tens of seconds to several minutes. At this time, the color-changing silica gel changes from a saturated state to a semi-saturated state, and its color also changes from blue-purple to green. When heating continues to make it reach an unsaturated state, it returns to the original yellow color and can be used as a deodorizing refrige...

Embodiment 2

[0018] Place the glass, plastic, or ceramic container containing the cobalt-free blue glue in the refrigerator. After a period of time, this blue silica gel changes from an unsaturated blue color to a fully saturated rose red due to the absorption of odors and moisture in the refrigerator.

[0019] Put the rose red color-changing silica gel in a microwave oven to heat and regenerate. The heating temperature is not higher than 105°C: depending on the amount of color-changing silica gel used, the heating time can range from tens of seconds to several minutes. When the color-changing silica gel changes from a saturated state to an unsaturated state, it returns to the original blue color and can be used as a refrigerator deodorant again.

[0020] Due to the use of very sensitive moisture-sensitive color-changing organic compounds, the drying temperature should not be too high during regeneration, and 105°C is suitable. For example, in Example 3, when regenerating with a microwave...

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Abstract

The present invention is application of allochromatic silica gel for absorbing moisture and deodorizing in refrigerator and household environment. The allochromatic silica gel in saturated adsorption state and unsaturated adsorption state has different colors, and may be regenerated through heating in a microwave oven at the temperature not over 110 deg.c, preferably in 105 deg.c. It has high adsorption capacity, high moisture absorbing and deodorizing effect, reuseability, simple regenerating process, no toxicity, no radioactivity and other advantages.

Description

technical field [0001] The utility model relates to a daily necessities, in particular to a refrigerator and a household environment deodorizing and drying deodorant which can be heated and regenerated by a microwave oven and has a color-changing indication function. Background technique [0002] Refrigerators are essential electrical appliances for home use, but after using them for a period of time, a peculiar smell often remains in the refrigerator. If the peculiar smell is not removed in time, the food in the refrigerator will be polluted and the smell will go bad, making it difficult to eat and causing waste. Moreover, family kitchens and bathrooms often have peculiar smell and bad smell. [0003] Deodorization can be divided into reaction decomposition type and adsorption removal type from the mechanism. The representative methods of the reaction decomposition type are high-voltage discharge to generate ozone deodorization method, heating tube catalyst deodorization ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61L9/012A61L101/12
Inventor 吕向东
Owner 吕向东
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