摘要:
A method is described for producing acyl glycinate salts of formula (II) in which R1 represents a saturated linear or branched alkyl radical comprising 1 to 21 carbon atoms or a monounsaturated or polyunsaturated linear or branched alkenyl radical comprising 2 to 21 carbon atoms, and B represents a cation, and/or the corresponding protonated acyl glycinic acid. Said method is characterized in that one or more fatty acid monoethanol amides of formula (I) in which R1 has the meaning indicated above is/are oxidized with oxygen in the presence of an optionally supported bimetallic catalyst consisting of gold and a metal from group VIII of the periodic table in the alkaline medium in order to obtain one or more acyl glycinate salts of formula (II). In order to produce the protonated acyl glycinic acids, the acyl glycinate salt/s of formula (II) is/are additionally reacted with an acid.
摘要:
The invention relates to liquid compositions which contain a) from 40 to 99.9% by weight of sorbitan monocaprylate and b) from 0.1 to 60% by weight of one or more antimicrobial substances selected from the group consisting of the components b1) to b5): b1) specific organic acids and the salts thereof, b2) specific formaldehyde donors, b3) specific isothiazolinones, b4) specific paraben esters and the salts thereof, and b5) specific pyridones and the salts thereof. The liquid compositions are suitable for the production of cosmetic, dermatological or pharmaceutical products.
摘要:
A process is described for preparing acylglycinate salts of the formula (II) in which R1 is a saturated linear or branched alkyl radical having from 1 to 21 carbon atoms or a mono- or polyunsaturated linear or branched alkenyl radical having from 2 to 21 carbon atoms, and B is a cation derived from a base, and/or the corresponding protonated acylglycines, characterized in that one or more fatty acid monoethanolamides of the formula (I) in which R1 is as defined above is oxidized with oxygen in the presence of a transition group metal catalyst in an alkaline medium to give one or more acylglycinate salts of the formula (II), and, in the case of preparation of the protonated acylglycines, the acylglycinate salt(s) of the formula (II) is additionally reacted with an acid.
摘要:
Cosmetic or pharmaceutical compositions comprising one or more polysiloxanes functionalized with at least one carbamate group are described. In a preferred embodiment the compositions are emulsions wherein the one or more polysiloxanes may advantageously be used as emulsifier.
摘要:
The invention relates to a method for producing acylglycinates of formula (I) wherein R1 represents a linear or branched, saturated alkanoyl group having between 6 and 30 carbon atoms, or a linear or branched, mono- or polyunsaturated alkenoyl group having between 6 and 30 carbon atoms, and Q+ represents a cation selected from the alkali metals Li+, Na+ and K+, characterised in that glycine comprises fatty acid chloride R1Cl, wherein R1 which has the meaning given in formula (I), is provided in water and in presence of a basic alkali compound, the cations Q+ are selected from Li+, Na+ and K+, but in the absence of organic solvents, is reacted at between 30-35 DEG C, and the proportion of fatty acid chloride R1Cl containing acyl groups R1 having 18 or more carbon atoms, in relation to the total amount of used fatty acid chloride, is less than 2.0% in wt.
摘要:
Linear organopolysiloxane-polyoxyalkylene copolymers of the formula (I) are described, in which R1 and R2, independently of one another, are a straight-chain or branched, saturated alkyl group having 6 to 22 carbon atoms or are a straight-chain or branched, mono- or polyunsaturated alkenyl group having 6 to 22 carbon atoms, R3, R4, R5, R6, R7 and R8, independently of one another, are a straight-chain or branched, saturated alkyl group having 1 to 30 carbon atoms, a straight-chain or branched, mono- or polyunsaturated alkenyl group having 2 to 30 carbon atoms or a phenyl radical, m and p are numbers from 4 to 50 and n is a number from 3 to 90. The linear organopolysiloxane-polyoxyalkylene copolymers of the formula (I) can be used in an advantageous way in cosmetic or pharmaceutical compositions. Moreover, they are suitable particularly for the cleansing and care of the hair and the skin, as emulsifier in emulsions, preferably in O/W or W/O emulsions, and as conditioners.
摘要:
The invention provides an explosive composition comprising A) an oxygen-donating constituent, which forms a disperse phase, B) an organic constituent, which forms a dispersion phase, and C) at least one emulsifier, wherein the emulsifier includes a copolymer comprising, in random or regular order, structural units derived from a) maleic anhydride, b) one or more olefins having more than 40 carbon atoms, and c) a vinyl ester of carboxylic acids having from 2 to 12 carbon atoms, where the structural units derived from maleic anhydride have been modified by reaction with alcohols, amino alcohols, ammonia or amines.
摘要:
An additive for inhibiting the formation of gas hydrates in connection with hydrocarbon production and transportation comprising the water-soluble polymers comprising structural elements of the formula wherein each R is independently H or C1-C5-alkyl; X is H, an alkaline or earth alkaline metal or a quaternary ammonium group; R1 is H or C1-C18-alkyl; and R2 is C1-C18-alkyl; and wherein the alkyl groups represented by R1 and R2 optionally carry a hydroxy or amino substituent; and, optionally, a minor proportion of structural elements of the formula wherein R, R1, R2 and X may have the meaning as above, and Alk is a C1-C5-alkylene chain.
摘要:
The invention relates to water-soluble or water-swellable polymers the repeating structural units of which consist of a) 90.0 to 99.99 mole-% of one or more repeating structural units originating from special monomers with sulfonic acid groups or the salts thereof such as for example 2-acrylamido-2-methyl-propanesulfonic acid or the salts thereof and b) 0.01 to 10.0 mole-% of one or more repeating structural units originating from special cross-linking agents with at least three polymerizable double bonds. The polymers for example have an advantageous sensory property profile and are highly suitable as thickening agents even in salt-containing compositions. They are furthermore advantageously suitable for producing cosmetic, dermatological or pharmaceutical compositions.
摘要:
The invention relates to a composition which contains at least one N-acyl-amino acid surfactant, a betaine surfactant, an N-methyl-N-acylglucamine, said N-methyl-N-acylglucamine having a C16-C20-acyl group, and further contains a solvent and optionally one or more additives. The invention also relates to a method for producing the composition. The invention further relates to the use of the composition for the treatment or care of skin or hair, or for use as a shampoo, face cleaner, liquid cleaner or shower gel.