摘要:
The present invention relates to a hair cosmetic capable of giving good finger combability and manageability with no oily feeling to the hair treated therewith and dried, and to a method for producing the hair cosmetic. The hair cosmetic contains a cationized hydroxypropyl cellulose (A), an oil (B) of which the amount of dissolution in 100 g of water at 20° C. is from 0 to 1 g, and a surfactant (C), wherein the cationized hydroxypropyl cellulose (A) has an anhydroglucose-derived main chain and has a degree of substitution with cationized ethyleneoxy group of from 0.01 to 2.9 and a degree of substitution with propyleneoxy group of from 0.1 to 4.0, and the production method is for producing the hair cosmetic.
摘要:
A production method of a cationized cellulose or a cationized hydroxyalkylcellulose, including step 1 for adding a cationizing agent to cellulose and mechanically decrystallizing the cellulose and step 2 for adding a basic compound to the mixture obtained in step 1 and mechanically decrystallizing the cellulose, or a production method of a cationized cellulose or a cationized hydroxyalkylcellulose, including a step 3 for adding a basic compound to cellulose and mechanically decrystallizing the cellulose and step 4 for adding a cationizing agent to the mixture obtained in step 3 and mechanically decrystallizing the cellulose. The cellulose and the cationizing agent are allowed to react with each other in step 2 or step 4.
摘要:
Non-ionic water-soluble cellulose ethers modified with 3-azido-2-hydroxypropyl groups bound via an ether link are provided having a molar degree of substitution MSAHP in the range from 0.001 to 0.50. Exemplary cellulose ethers are alkyl celluloses, including methyl, hydroxyalkyl (e.g. hydroxyetbyl or hydroxypropyl) or alkylhydroxyalkyl cellulose (e.g. methylhydroxyethyl). Reaction products with alkyne compounds are also provided, resulting in a terminal alkyne group. The reaction of azide with the alkyne proceeds as a 1,3-dipolar cycloaddition reaction, advantageously with Cu(I) or ruthenium catalysts. A multiplicity of cellulose ethers can be obtained from the conversion reaction. Variations in the macroscopic properties can be achieved by controlled modification, ranging from increased or reduced viscosity. The reaction, taking place within a few seconds, requires only minimal catalyst. Gel formation is reversible by adjustment of the pH such that a monophasic system (high-viscous fluid) arises again from a biphasic system (gel+low-viscous water phase).
摘要:
A superhydrophilic amphiphilic copolymer and process for making the superhydrophilic amphiphilic copolymer includes a low molecular weight polysaccharide modified with a hydrophobic reagent, such as substituted succinic anhydride. The superhydrophilic amphiphilic copolymer system generates stable foam for use in applications, such as healthcare formulations, with low irritation of the eyes and skin.
摘要:
A cellulose ether which has from 4,000 to 10,000 anhydroglucose repeat units and is substituted with (a) on the average from 0.0003 to 0.08 moles, per mole of anhydroglucose unit, of a substituent comprising an alkyl or arylalkyl group having from 8 to 24 carbon atoms and (b) a substituent having the formula II wherein R5, R6 and R7 each independently are —CH3 or —C2H5, R8 is —CH2—CHOH—CH2— or —CH2CH2, Az− is an anion, and z is 1, 2 or 3 is useful in hair and skin care compositions.
摘要:
A method for preparing cellulose ethers containing tertiary or quaternary nitrogen by reacting alkylene epoxides with cellulose or its derivatives in an alkaline medium in the presence of water. Alkylene epoxides of the formulas ##STR1## or mixtures thereof, in which n=1, 2 or 3, R.sup.1, R.sup.2 and R.sup.3 correspond to the same or different alkyl groups with 1 to 18 carbon atoms or R.sup.1 corresponds to the benzyl group or --C.sub.2 H.sub.4 OH and X is chloride, bromide, sulfate or acetate are used as cationization agents.
摘要:
A novel process for the purification of industrial effluents, wherein the effluents are brought into contact with cationically modified, cellulose-containing materials, the cationic constituent of which is bonded to the cellulose part via the grouping of the general formula--O--CH.sub.2 --N
摘要:
Glycosides are prepared by reacting a monosaccharide or a compound hydrolyzable to a monosaccharide with 3-chloro-1,2-propanediol in the presence of an acid catalyst producing a 2-hydroxy-3-chloropropyl glycoside. The glycoside is then reacted with a base and an amine having at least one alkyl group that contains 8 to 30 carbon atoms to produce an alkali soluble surfactant.
摘要:
A superhydrophilic amphiphilic copolymer and process for making the superhydrophilic amphiphilic copolymer includes a low molecular weight polysaccharide modified with a hydrophobic reagent, such as substituted succinic anhydride. The superhydrophilic amphiphilic copolymer system generates stable foam for use in applications, such as healthcare formulations, with low irritation of the eyes and skin.
摘要:
A cleansing composition comprising (A) an anion surfactant, (B) a glyceryl ether having an alkyl group or alkenyl group with from 4 to 12 carbon atoms, (C) a cationized hydroxypropyl cellulose represented by the following formula (1) wherein R1, R2 and R3 each independently represent a substituent having a cationized ethyleneoxy group and a propyleneoxy group and n represents a number of from 20 to 5000, which represents an average polymerization degree of anhydroglucose, and wherein the substitution degree of the cationized ethyleneoxy group is from 0.01 to 3, and the substitution degree of the propyleneoxy group is from 0.01 to 5, and (D) water.