Shampoo containing sulfate locust bean gum-amino acid thickening agent
A locust bean gum and thickener technology, applied in the field of daily chemical products, can solve the problems of large molecular weight, many water-insoluble substances, high viscosity of aqueous solution, etc., achieve good stability, good water holding capacity, and solve the effect of dry hair
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Embodiment 1
[0037] 1) 2g of natural locust bean gum powder was hydrated at 80°C to 85°C for 30min and left at room temperature overnight, and 100 to 150mL of acetone was added to obtain a precipitate, filtered and extruded; washed twice with 50mL of DMF, filtered and extruded; the molar ratio 2:1 DMF-SO 3 Mix the solid with activated locust bean gum at a mass ratio of 3:1, dissolve in 4mL DMF and carry out anhydrous reaction at 5-15°C for 2-4 hours to carry out sulfation in different degrees, filter, wash with acetone, extrude and dissolve in cold water Neutralize, neutralize, precipitate with methanol, and dry at 30-40°C to obtain sulfated locust bean gum (SLBG);
[0038] 2) Dissolve 100 mg of locust bean gum sulfate in 10 mL of deionized water to prepare a 1% (w / v) solution, and disperse arginine, histidine, and lysine in the above solution to obtain a concentration of 0.08% (w / v) / v) solution, stirred at room temperature for 12 hours, heated with magnetic stirring at 80°C for 30min, c...
Embodiment 2
[0054] 1) with embodiment 1 step 1);
[0055] 3) Same as step 2) of Example 1 to obtain SLBG-LA;
[0056] 3) Shampoo preparation
[0057] Step 1, add the formula amount of water, stir, slowly add the formula amount of conditioner, disperse until there are no particles, add the formula amount of citric acid, and stir until uniform;
[0058] Step 2: Take the formula amount of cocamidopropyl betaine, glycerin and locust bean gum-arginine sulfate, heat to 50-80°C, stir and dissolve, add the solution obtained in step 1, and stir Evenly, heat to 60~70℃, keep stirring for 0.5~2h;
[0059] Step 3, cool down the solution treated in step 2 to 50-60°C, add the formula amount of cocoyl glucoside, methylisothiazolinone, essence and ethylene glycol distearate, stir until uniform, Add the amount of sodium chloride in the recipe, cool down to 40-45°C, and you get it;
[0060] The amount of the component formula is: 75 parts of water, 10 parts of grape seed extract, 2 parts of cocamidoprop...
Embodiment 3
[0066] FT-IR was performed on the shampoo samples containing SLBG-LA, SLBG-LH, and SLBG-LY in the above-mentioned Example 1. The layer conditions were: the samples were freeze-dried and then ground, and the potassium bromide tablet method was used, and the wavelength scanning range was 4000 ~400cm- 1 ;
[0067] The results of the above measurements can be found in the appendix figure 1 ;
[0068] attached figure 1 Medium sulfate locust bean gum-histidine (a), sulfate ester locust bean gum-lysine (b), sulfate ester locust bean gum-arginine (c) and natural locust bean gum (d), among which It can be seen from the former third party and d that there are two obvious absorption peaks in the fingerprint area 850cm- 1 and 800cm- 1 , indicating that the molecular structure contains -OSO 3 - group, and d does not contain this absorption peak; another 1650cm- 1 A split peak appears, indicating that NH 2 the presence of structure; while 3500-3300cm- 1 It is the absorption peak of...
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