Abstract:
PROBLEM TO BE SOLVED: To provide a stable emulsion comprising a polyolefin, in particular, polyisobutene and water, and to provide a method to obtain the emulsion and also to provide the use of the emulsion.SOLUTION: An emulsion comprises, with respect to the total mass of the emulsion: (a) a polyolefin in an amount of 2 to 75 mass%; (b) a polymer Px in an amount of 0.05 to 40 mass%; (c) oil Ox in an amount of 0 to 25 mass%; (d) a surfactant Sx in an amount of 0 to 25 mass%; (e) an additive Ax in an amount of 0 to 20 mass%; and (f) water in an amount of 10 to 97.95 mass%. The emulsion can consist of components (a), (b) and (f).
Abstract:
The invention relates to microcapsule dispersions containing microcapsules comprising a hydrophilic capsule core and a capsule wall polymer, which capsule wall polymer can be obtained by polymerizing a monomer composition comprising 25 to 95 wt% of one or more C1-C24 alkyl and/or glycidyl esters of acrylic acid and/or methacrylic acid, up to 75 wt% of one or more hydrophilic monomers selected from acrylic acid esters and/or methacrylic acid esters that bear hydroxy and/or carboxy groups, and allyl gluconamide, 0 to 40 wt% of one or more compounds having two or more ethylenically unsaturated groups, wherein the microcapsules are dispersed in a hydrophobic diluent. The invention further relates to the microcapsules, to a method for producing the microcapsules, and to the use of the microcapsules for the delayed release of active ingredients for construction, cosmetic, or plant-protection applications.
Abstract:
The present invention is directed to stable emulsions comprising oils and a polymeric cationic emulsifier, the process to obtain said emulsions and the use of said emulsions.
Abstract:
The invention relates to a catalyst complex comprising boron trifluoride and a co-catalyst mixture of 10 to 90 wt% of a monovalent primary C1 to C20 alcohol and 90 to 10 wt% of a monovalent secondary C3 to C20 alcohol, wherein the molar ratio of boron trifluoride to the sum of all alcohols is 2:1 to 1:10. Said catalyst complex is used in the production of highly reactive isobutene homopolymers having a number-average molecular weight of 300 to 50,000, wherein a C4 hydrocarbon mixture containing at least 20 wt% of isobutene and in total at least 10 wt% of other C4 olefins is used as a feed material.
Abstract:
Una composición que comprende una emulsión que comprende: a) aceite(s) en una cantidad de entre 2 a 75 % en peso, b) emulsionantes poliméricos catiónicos Px en una cantidad de entre 0,05 a 40 % en peso, en la que Px es el producto de la polimerización de A) cloruro de dialildimetilamonio (monómero A), B) uno o más (met)acrilatos de alquilo C12-C20 lineales o ramificados, o acrilato de laurilo (monómero B), C) de 0 a 30 % en peso de ácido acrílico (monómero C), c) tensioactivo(s) Sx en una cantidad de entre 0 a 25 % en peso, d) aditivo(s) Ax en una cantidad de entre 0 a 20 % en peso y e) agua en una cantidad de entre 10 a 97,95 % en peso, sobre la base del peso total de la emulsión siendo dicha composición un tejido y/o una composición para el cuidado del hogar, conteniendo dicha composición un tejido y/o un ingrediente para el cuidado del hogar.
Abstract:
The invention relates to a catalyst complex comprising boron trifluoride and a co-catalyst mixture of 10 to 90 wt% of a monovalent primary C1 to C20 alcohol and 90 to 10 wt% of a monovalent secondary C3 to C20 alcohol, wherein the molar ratio of boron trifluoride to the sum of all alcohols is 2:1 to 1:10. Said catalyst complex is used in the production of highly reactive isobutene homopolymers having a number-average molecular weight of 300 to 50,000, wherein a C4 hydrocarbon mixture containing at least 20 wt% of isobutene and in total at least 10 wt% of other C4 olefins is used as a feed material.
Abstract:
Procedimiento para la preparación de formulaciones acuosas, caracterizado porque se copolimerizan por radicales entre sí (A) al menos un ácido carboxílico etilénicamente insaturado, (B) al menos un comonómero heterocíclico con al menos una carga catiónica permanente por molécula y (C-P1) al menos un ácido dicarboxílico etilénicamente insaturado o su anhídrido y poco antes de finalizar o tras finalizar la copolimerización se añade ácido dicarboxílico etilénicamente insaturado adicional (C-P2) o su anhídrido.
Abstract:
La presente invención se refiere a dispersiones de microcápsulas que comprenden microcápsulas que comprenden un núcleo de cápsula hidrofílico y un polímero de pared de cápsula que puede obtenerse por polimerización de una composición de monómero que comprende 25 a 95% en peso de uno o más de alquil y/o glicidilésteres de C1-C24 de ácido acrílico y/o de ácido metacrílico 5 a 75% en peso de uno o más monómeros hidrofílicos seleccionados de ésteres de ácido acrílico y/o ésteres de ácido metacrílico, los cuales llevan grupos hidroxi y/o carboxi, y alilgiuconamida 0 a 40% en peso de uno o más compuestos que tienen dos o más radicales etilénicamente insaturados, donde las microcápsulas se dispersan en diluyentes hidrofóbicos, a las microcápsulas, y a un método para producirlos y a su uso para la liberación retardada de ingredientes activos para las aplicaciones de protección de construcción, cosméticas o de cultivo.
Abstract:
A copolymer obtainable by free-radical polymerization of (i) monomer units of the structure (M1) in which the variables are each hydrogen, alkyl groups, carboxyl groups or carboxyl derivative moieties, and (ii) monomer units of the structure (M2) in which R5 is the radical of a carboxylic ester of the formula -A-CO-O-R10 where A is an alkylene group and R10 is a hydrocarbyl radical, and in which R6, R7 and R8 are each hydrogen or alkyl radicals, and subsequent polymer-analogous reaction of the product formed with a long-chain hydrocarbyl alcohol. This copolymer is suitable for improving the cold flow properties of middle distillate fuels, especially those which consist of or comprise biofuel oils.
Abstract:
The present invention is directed to stable emulsions comprising polyolefines, in particular polyisobutene, the process to obtain said emulsions and the use of said emulsions.