Abstract:
The present invention relates to crosslinked, water-soluble or water-dispersible polyurethanes of A) at least one water-soluble or water-dispersible polyurethane prepolymer having terminal isocyanate groups of a) at least one compound having a molecular weight in the range from 56 to 300 which contains two active hydrogen atoms per molecule, b) at least one polymer containing two active hydrogen atoms per molecule, c) at least one compound which contains two active hydrogen atoms and at least one ionogenic or ionic group per molecule, d) at least one diisocyanate, B) at least one polymer containing groups which are reactive toward isocyanate groups, chosen from hydroxyl, and primary and secondary amino and/or carboxyl groups, or the salts thereof.
Abstract:
The present invention relates to microcapsule dispersions comprising microcapsules having a capsule core comprising water-soluble organic substances, and a capsule coating which essentially consists of polyurethane and/or polyurea, in a hydrophobic solvent which consists of 50 to 100% by weight of glycerol ester oils and 0 to 50% by weight of solvents miscible with glycerol ester oils, and to a process for their preparation.
Abstract:
Cationic polymers are obtainable by free-radical copolymerization, of a) from 50 to 70% by weight of one or more monomers of the formula I X=O, NR1, R1=H, C1-C8-alkyl, R2=tert-butyl, (b) from 5 to 45% by weight of one or more monomers of the formula II where n=1 to 3, (c) from 5 to 40% by weight of a monoethylenically unsaturated monomer having at least one amine-containing group, (d) from 0 to 5% by weight of a polyalkylene oxide-containing silicone derivative, where up to 40% by weight, based on (a), (b), (c) and (d), of the monomer (a) can be replaced by a monomer of the formula I where R2=C2-C22-alkyl.
Abstract:
The present invention relates to a cosmetic composition which comprises at least one crosslinked, water-soluble or water-dispersible polyurethane formed from A) at least one polyurethane prepolymer having terminal isocyanate groups, and B) at least one polymer having isocyanate-reactive groups selected from hydroxyl, primary and secondary amino and/or carboxyl groups, at least one of components A) and/or B) being soluble or dispersible in water and at least one of components A) and/or B) comprising at least one siloxane group, and the salts thereof.
Abstract:
(Meth)acrylic acid copolymers are used to increase mucosal permeability, comonomers present being (meth)acrylic esters and/or other monomers capable of free-radical polymerization, and the (meth)acrylic acid:comonomer molar ratio varying from 99:1 to 1:99.
Abstract:
4,4-Diarylbutadienes of the formula I, where the diene system has the Z,Z; Z,E; E,Z or E,E configuration or a mixture thereof, and where the variables independently of one another have the following meanings: R1 and R2 are hydrogen, C1-C20-alkyl, C2-C10-alkenyl, C3-C10-cycloalkyl, C3-C10-cycloalkenyl, C1-C12-alkoxy, C1-C20-alkoxycarbonyl, C1-C12-alkylamino, C1-C12-dialkylamino, aryl, hetaryl, unsubstituted or substituted, substituents which confer solubility in water and are selected from the group consisting of carboxylate, sulfonate, or ammonium residues; R3 is COOR5, CONR5R6; R4 is COOR6, CONR5R6; R5 and R6 are hydrogen, C1-C20-alkyl, C2-C10-alkenyl, C3-C10-cycloalkyl, C7-C10-bicycloalkyl, C3-C10-cycloalkenyl, C7-C10-bicycloalkenyl, aryl, hetaryl, unsubstituted or substituted; n is 1 to 3; and R3 and R4 are not COOCH3 when R1 and R2 are hydrogen, are used as photostable UV filters in cosmetic and pharmaceutical preparations to protect the human skin or human hair from the sun's rays, alone or together with compounds which absorb in the UV region and are known per se for cosmetic and pharmaceutical preparations.
Abstract:
Hairsetting compositions comprise as film-formers copolymers based on tert-butyl acrylate or tert-butyl methacrylate having a K value of from 10 to 50 which are obtainable by free-radical polymerization of A) from 30 to 72% by weight of tert-butyl acrylate or tert-butyl methacrylate or a mixture thereof as monomer A, B) from 10 to 28% by weight of acrylic acid or methacrylic acid or a mixture thereof as monomer B, and C) from 0 to 60% by weight of a free-radically copolymerizable monomer or of a free-radically copolymerizable monomer mixture as monomers C, where at least one of the monomers C produces a homopolymer having a glass transition temperature of less than 30° C., the carboxyl groups of the copolymers being partially or completely neutralized.
Abstract:
Process for preparing polymers which are water-soluble or water-dispersible or which, if consisting of monomers with neutralizable radicals, are soluble in water or dispersible in water in neutralized form, by subjecting (a) ethylenically unsaturated monomers to free-radical polymerization in the presence of (b) polyalkylene oxide-containing silicone derivatives.
Abstract:
A cosmetic or pharmaceutical composition which comprises at least one water-soluble or water-dispersible polyurethane of a) at least one polymer having two active hydrogen atoms per molecule which is selected from polytetrahydrofurans, polysiloxanes and mixtures thereof, b) at least one polyesterdiol, c) at least one compound comprising two active hydrogens per molecule and having a molecular weight of 56-300, d) at least one compound which contains two active hydrogen atoms and at least one anionogenic or anionic group per molecule, e) at least one diisocyanate, or a salt thereof, said polyurethane not comprising any unit which originates from a primary or secondary amine having an ionogenic or ionic group.
Abstract:
Polymeric UV absorbers based on the units shown in the schematized formula I ##STR1## where the sequence of the units is arbitrary, the sum of a+b+c+d=100 anda is a value from 5 to 95,b is a value from 0 to 70,c is a value from 5 to 95,d is a value from 0 to 70and the radicals R have the meaning explained in the description, are described.
Abstract translation:聚合紫外吸收剂基于所示单位所示的单位,其中单元的序列是任意的,a + b + c + d = 100的和和a是5至95的值,b是0 至70,c为5至95的值,d为0至70的值,基团R具有在说明书中说明的含义。