Hand cleaning gel, and preparation method and use thereof
A technology of hand cleaning and polyvinyl alcohol, which is applied in the field of hand cleaning gel and its preparation, can solve the problems of uncontrollable adhesive force of medical adhesive, unsatisfactory surface cleaning effect, and inconspicuous solid dirt effect, etc., and achieve good skin affinity, The effect of no liquid residue and simple preparation method
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[0047] Example 1
[0048] Raw material formula and mass percentage:
[0049] Polyvinyl alcohol (weight average molecular weight: 88000) 5%, boric acid 0.8%, water 93.998%, sorbic acid (preservative) 0.002%, glycerin 0.2%.
[0050] making process:
[0051] Step 1. After grinding 5 grams of polyvinyl alcohol with a weight-average molecular weight of 88,000, 0.8 grams of boric acid, and 0.002 grams of methylparaben, fully stir to obtain a mixture powder;
[0052] Step 2: Add 0.2 g of glycerol to 100 g of water at 85°C, stir evenly, add the mixture powder, stir well, and wait for a full chemical reaction;
[0053] Step 3, after the reaction finishes, separate unreacted water and gel;
[0054] Step 4. Dry the free water on the surface of the gel at room temperature to obtain a clean hand gel.
[0055] The hand-cleaning gel prepared by the above method has strong adhesion, and can effectively remove the scale and metabolites and other substances on the surface of the skin through ...
Example Embodiment
[0056] Example 2
[0057] Raw material formula and mass percentage:
[0058] 6% polyvinyl alcohol with a weight average molecular weight of 30,000, 1% boric acid, 91.998% water, 0.002% phenoxyethanol as preservatives, and 2% glycerin.
[0059] making process:
[0060] Step 1. Mix 6 grams of polyvinyl alcohol with a weight-average molecular weight of 30,000, 1 gram of boric acid, and 0.002 grams of phenoxyethanol to obtain a mixture powder after grinding;
[0061] Step 2: Add 2 grams of glycerol to 95 grams of water at 80°C, stir evenly, add the mixture powder, stir well, and wait for it to undergo a full chemical reaction;
[0062] Step 3, after the reaction finishes, separate unreacted water and gel;
[0063] Step 4. Dry the free water on the surface of the gel at room temperature to obtain a clean hand gel.
[0064] Compared with Example 1, the molecular weight of the polyvinyl alcohol in Example 2 is more preferable, so after the use of 50 trial personnel, it is believe...
Example Embodiment
[0065] Example 3
[0066] Raw material formula and mass percentage:
[0067] 6% polyvinyl alcohol with a weight average molecular weight of 14000, 1% boric acid, 91.998% water, 0.002% phenoxyethanol as preservatives, and 2% glycerin.
[0068] making process:
[0069] Step 1. Mix 6 grams of polyvinyl alcohol with a weight-average molecular weight of 30,000, 1 gram of boric acid, and 0.002 grams of phenoxyethanol to obtain a mixture powder after grinding;
[0070] Step 2: Add 2 grams of glycerol to 95 grams of water at 80°C, stir evenly, add the mixture powder, stir well, and wait for it to undergo a full chemical reaction;
[0071] Step 3, after the reaction finishes, separate unreacted water and gel;
[0072] Step 4. Dry the free water on the surface of the gel at room temperature to obtain a clean hand gel.
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