摘要:
Use of a mixture comprising a surfactant and a cosurfactant in the form of an aqueous solution for flooding underground deposits of hydrocarbons for mobilizing and recovering the hydrocarbons from the underground deposits, the cosurfactant being a substance or a group of substances selected from the following list: an amphiphilic comb polymer having a backbone with two or more side chains attached to the backbone, the side chains differing from one another and/or the side chains differing from the backbone in their amphiphilic character, an amphiphilic polymer having one or more hydrophobic subunits [A2] based on a polyisobutene block, at least 50 mol % of whose polyisobutene macromolecules have terminally arranged double bonds, and one or more hydrophilic subunits [B2], or an amphiphilic polymer having the general structural formula
摘要:
The present invention relates to compositions for treating hard surfaces, comprising a water-soluble or water-dispersible compound as component A which is obtainable by reacting: aa) polyalkylenepolyamines, polyamidoamines, polyamidoamines grafted with ethyleneimine, polyether-amines and mixtures of said compounds, as component Aa; ab) if appropriate at least bifunctional crosslinkers which have, as functional group, a halogenhydrin, glycidyl, aziridine or isocyanate unit or a halogen atom, as component Ab; and ac) monoethylenically unsaturated carboxylic acids, salts, esters, amides or nitriles of monoethylenically unsaturated carboxylic acids, chlorocarboxylic acids and/or glycidyl compounds, such as glycidyl acid, glycidylamide or glycidyl esters; and water; to a process for the preparation of a water-soluble or water-dispersible compound, to water-soluble or water-dispersible compounds preparable by the process according to the invention, and to the use of water-soluble or water-dispersible compounds according to the present application in compositions for treating hard surfaces.
摘要:
The present invention relates to the use of a porous metal-organic framework material comprising at least one, at least bidentate, organic compound bound to at least one metal ion by coordination, the at least one metal ion, the at least one, at least bidentate, organic compound, or if appropriate a further component, being a coloring component, as sorbent and for permanent color marking of a filter.
摘要:
The present invention relates to a process for preparing a phosphorus-containing polymer, comprising the steps of (i) copolymerizing at least (a) monoethylenically unsaturated dicarboxylic anhydrides having from 4 to 6 carbon atoms with (b) olefins of the formula CH2═C(R1)R2 where R1 is H or CH3 and R2 is H, CH3, C2H5 or phenyl; (ii) reacting the polymer formed in step (i) with at least one primary or secondary phosphorus-containing amine or a phosphorus-containing alcohol and (iii) at least partly ring-opening the remaining anhydride groups. The invention further relates to phosphorus-containing polymers obtainable from this process, and to processes for preventing Ba/Sr scale with the aid of the polymer.
摘要翻译:本发明涉及一种制备含磷聚合物的方法,包括以下步骤:(i)至少(a)具有4至6个碳原子的单烯属不饱和二羧酸酐与(b)式CH 2 = C (R1)R2,其中R1是H或CH3,R2是H,CH3,C2H5或苯基; (ⅱ)使步骤(ⅰ)中形成的聚合物与至少一种一级或二级含磷胺或含磷醇反应,和(iii)至少部分打开剩余的酸酐基团。 本发明还涉及可从该方法获得的含磷聚合物,以及借助聚合物防止Ba / Sr垢的方法。
摘要:
The present invention relates to the use of a copolymer comprising, in polymerized form, (a) from 80 to 99.9 mol %, based on the total amount of the monomers polymerized to prepare the copolymer, of at least one monomer A which in each case comprises a heterocycle having at least 1 nitrogen atom and composed of from 3 to 10 ring members and a C2-C6-alkenyl group bonded to a carbon or nitrogen ring atom of the heterocycle; and (b) from 0.1 to 20 mol %, based on the total amount of the monomers polymerized to prepare the copolymer, of at least one monomer B copolymerizable with monomer A, said monomer B having a monoethylenically unsaturated double bond and also a linear or branched poly-C2-C4-alkylene oxide group having on average from 4 to 500 C2-C4-alkylene oxide units, in liquid and in solid detergent formulations. In addition, the invention relates to a process for preparing such a copolymer, and also to a liquid or solid detergent formulation comprising at least one such copolymer.
摘要:
A description is given of (meth)acrylic acid copolymers containing methacrylic acid units, the polymer being functionalized with aminoalkylsulfonic acid. In addition, a description is given of a process for preparation thereof and use thereof for water treatment, scale inhibition in petroleum production and corrosion inhibition in aqueous systems.
摘要:
The present invention relates to a chemical composition comprising (a) a glycoside component A comprising at least one glycoside of the formula R(OG)x wherein R is an aliphatic hydrocarbon radical having 1 to 25 carbon atoms or is a radical of formula R1(OR2)m which does not have more than 25 carbon atoms and wherein n=0 to 24 and R1 and R2 are aliphatic hydrocarbon radicals; G is the residue of a saccharide moiety selected from the group consisting of fructose, glucose, mannose, galactose, talose, gulose, allose, altrose, idose, arabinose, xylose, lyxose, ribose and alkoxylated derivatives thereof; and x is 1 to 30; (b) an aspartate component B comprising at least one polymerisation product of aspartic acid, optionally in form of a copolymerisate with fatty acids, polybasic carboxylic acids, anhydrides of polybasic carboxylic acids, polybasic hydroxycarboxylic acids, monobasic polyhydroxycarboxylic acids, alkoxylated alcohols, alkoxylated amines, amino sugars, carbohydrates, sugar carboxylic acids and polymers thereof. The invention further relates to the use of such chemical compositions as corrosion inhibitor.
摘要:
A description is given of (meth)acrylic acid copolymers comprising methacrylic acid units and units based on isopropanol, the polymer being functionalized with aminoalkylsulfonic acid. In addition, a description is given of a process for the preparation thereof and the use thereof for watertreatment, scale inhibition in mineral oil extraction and corrosion inhibition in aqueous systems.
摘要:
Methods of increasing permeability in a carbonatic rock formation, the methods comprising: providing an alkanesulfonic acid; and introducing the alkanesulfonic acid into the carbonatic rock formation.
摘要:
Use of a film forming material comprising an ethoxylated poly(vinylalcohol) for the manufacturing of water-soluble packaging for a detergent composition or related material.