Mosquito repellent and preparation method thereof

A technology of mosquito repellent and deionized water, applied in the directions of pharmaceutical formulations, cosmetic preparations, cosmetic preparations, etc., can solve the problems of lack of moisture on the skin, thinning of the gel formulation, etc., so that the skin feels fresh and cool, The effect of increasing the dosage and maintaining the insect repellent effect

Inactive Publication Date: 2012-10-17
北京日蒙生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Invention patent "mosquito repellent" (application number: 92114094.0) makes mosquito repellent into a gel formulation, which makes you feel refreshed after smearing. After the skin lacks moisturizing feeling, at the same time, a large amount of alcohol is added, which makes the gel dosage form thinner at high temperature

Method used

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  • Mosquito repellent and preparation method thereof
  • Mosquito repellent and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0030] 【prescription】

[0031] Raw material and auxiliary material dosage

[0032] Insect repellent 10000g

[0033] Carbomer 940 400g

[0034] Macrogol 400 4800g

[0035] Propylene glycol 2000g

[0036] 95% ethanol 2000g

[0037] Macrogol 6000 2400g

[0038] Polyvinylpyrrolidone / Hexadecene Copolymer 2400g

[0039] Triethanolamine 440g

[0040] Deionized water 15560g

[0041] Made 1000 pieces

[0042] [The role of raw materials and excipients in prescriptions]

[0043] Insect repellent - repellant

[0044] Carbomer 940 - Thickener

[0045] Polyethylene glycol 400 - Solubilizer

[0046] Propylene Glycol - Wetting Agent

[0047] 95% ethanol - skin feel modifier

[0048] Polyethylene glycol 6000 - film forming agent

[0049] Polyvinylpyrrolidone / Hexadecene Copolymer - Sustained Release Agent

[0050] Triethanolamine - Neutralizer

[0051] Deionized water - solvent

[0052] 【Method】

[0053] 1. Preparation of gel matrix:

[0054] Slowly add Carbomer 940 to propy...

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Abstract

The invention relates to a mosquito repellent and a preparation method thereof, belonging to the technical field of daily chemical engineering. The mosquito repellent is prepared from the following components: 25-40% of dimethyl phthalate, 0.5-1.2% of Carbomer 940, 10-15% of polyethylene glycol 400, 2-10% of propylene glycol, 2-10% of 95% ethanol, 5-10% of polyethylene glycol 6000, 0.5-2% of triethanolamine and balance of de-ionized water. The invention decreases the alcohol concentration, increases the dimethyl phthalate content, enables the skin to feel clean and cool in a similar way aftersmearing the gel type mosquito repellent under the condition of enhancing the effect by adjusting the solvent components, and achieves certain moisture retention and moistening effects on the skin after smearing the gel type mosquito repellent by the mutual cooperation of the propylene glycol and the polyethylene glycols 400 and 6000, thereby being applicable to personnel who perform long-term field operation.

Description

technical field [0001] The invention relates to the field of daily chemical products, in particular to a mosquito repellent and a preparation method. Background technique [0002] Mosquito repellent is a new generation of high-tech mosquito repellent products, and various dosage forms have been derived on the market. Such as, mosquito repellent toilet water, mosquito repellent water, mosquito repellent balm, mosquito repellent cream and so on. Mosquito repellants are easy to use and are not limited by time and conditions of use. They can be applied directly on bare skin to repel mosquitoes, such as essential oils, mosquito repellent, and mosquito repellent cream. It is especially suitable for camping, army, oil field, geology, forestry and other field workers and factory night shift personnel. [0003] At present, the active ingredients of mosquito repellants on the domestic and foreign markets include pyrethrin mosquito repellent oil, mosquito repellent ester (BAAPE), mos...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61K8/86A61K8/81A61K8/42A61Q17/02
Inventor 刘朝晖李意芳秦琼
Owner 北京日蒙生物科技有限公司
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