Cation-modified galactomannan polysaccharide and cosmetic composition containing the same
A technology of galactomannan and cosmetic materials, which is applied in the field of cationic modified galactomannan and cosmetic material compositions containing the substance, which can solve the problems of insufficient hair softness, wet stickiness, and poor touch
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Embodiment 1
[0071] After adding 11.8 g of 48 mass % sodium hydroxide aqueous solution and 3.0 g of sodium chloride to 900 ml of 80 volume % isopropanol aqueous solution, slowly add and disperse fenugreek gum (fenugreek endosperm powder A, Ea- Green Co., Ltd.) 162 g. Next, 40.5 g of an aqueous solution of 80% by mass glycidyltrimethylammonium chloride (hereinafter also referred to as GTA) was added, heated, and reacted at 50° C. for 3 hours. After completion of the reaction, 14.0 g of 35% hydrochloric acid was diluted with 1500 ml of 70% by volume isopropanol aqueous solution for neutralization. After neutralizing at room temperature for 1 hour, the reaction liquid was poured into 800 ml of methanol, and the reaction product was precipitated and filtered. After the obtained precipitate was washed with methanol aqueous solution, the reaction product was dried under reduced pressure. The cationic charge of the cationically modified galactomannan thus obtained was 0.75 meq / g. The results a...
Embodiment 2
[0074] Disperse 162 g of fenugreek gum (Fenugreek endosperm powder A, manufactured by Air Glynn Co., Ltd.) in 900 ml of 55% by volume isopropanol aqueous solution, and add 6.0 g of sodium chloride and 48% by mass of hydrogen Sodium oxide aqueous solution 48.9g. Then, 152.3 g of 3-halo-2-hydroxypropyldimethylmonolauryl ammonium chloride was added, heated, and reacted at 50° C. for 3 hours. After completion of the reaction, 14.0 g of 35% hydrochloric acid was diluted with 1500 ml of 70% by volume isopropanol aqueous solution for neutralization. After neutralizing at room temperature for 1 hour, the reaction liquid was poured into 800 ml of methanol, and the reaction product was precipitated and filtered. After the obtained precipitate was washed with methanol aqueous solution, the reaction product was dried under reduced pressure. The cationic charge of the cationically modified galactomannan thus obtained was 0.80 meq / g. The results are shown in Table 1 (Sample No. 4 in Tabl...
Embodiment 3
[0076] Disperse 162 g of fenugreek gum (Fenugreek endosperm powder A, manufactured by Air Glynn Co., Ltd.) in 900 ml of 80% by volume isopropanol aqueous solution in a pressurized airtight container, and add 48% by mass of hydrogen Sodium oxide aqueous solution 11.8g. Then, 66 g of ethylene oxide and 240 g of propylene oxide were added, heated, and pressurized sealing reaction was carried out at 70° C. for 3 hours. After the reaction was completed, the pressure was released and cooled to 50°C. After cooling, 150 g of an 80% by mass GTA aqueous solution was added and reacted at 50° C. for 3 hours. After completion of the reaction, 14.0 g of 35% hydrochloric acid was diluted with 1500 ml of 70% by volume isopropanol aqueous solution for neutralization. After neutralizing at room temperature for 1 hour, the reaction liquid was poured into 800 ml of methanol, and the reaction product was precipitated and filtered. After the obtained precipitate was washed with methanol aqueous ...
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