摘要:
Alkanols are oxyalkylated by a process in which the reaction is carried out using a heterogeneous basic catalyst which is selected from basic aluminates, and the compounds prepared thereby are used as carrier oils in fuel additives or as nonionic surfactants in detergents or cleaning agents.
摘要:
The present invention relates to acylated polymeric polyamines, to processes for their preparation, to their use, and to aqueous compositions which comprise these polyamines.
摘要:
The present invention relates to novel comb polymers, to a process for their manufacture and to the use thereof in the stabilization in an aqueous phase of active or effect substances which are insoluble or sparingly soluble in water. The invention furthermore relates to the use of the comb polymers in the manufacture of active substance formulations or active substance preparations of water-insoluble active or effect substances, in particular of active substances for plant protection.The comb polymers can be obtained by copolymerization of monoethylenically unsaturated monomers M, the monomers M comprising: a) at least one monoethylenically unsaturated monomer Ma chosen from esters of monoethylenically unsaturated C3-C8-monocarboxylic acids with C1-C20-alkanols, C5-C10-cycloalkanols, phenyl-C1-C4-alkanols or phenoxy-C1-C4-alkanols and the diesters of monoethylenically unsaturated C4-C8-dicarboxylic acids with C1-C20-alkanols, C5-C10-cycloalkanols, phenyl-C1-C4-alkanols or phenoxy-C1-C4-alkanols; and b) at least one monoethylenically unsaturated monomer Mb chosen from the esters of monoethylenically unsaturated C3-C8-monocarboxylic acids and the mono- and diesters of monoethylenically unsaturated C4-C8-dicarboxylic acids with poly(C2-C4-alkylene ether)ols; and the total amount of the monomers Ma and Mb making up at least 60% by weight of the monomers M constituting the comb polymer.
摘要:
The invention relates to preparations, in particular plant-protective preparations which contain a mixture of at least two different active plant-protective substances, wherein a) at least one active substance is selected from a conazole group (active substance 1) and b) another active-plant protective substance (active substance 2) whose water solubility at a temperature of 20° C. is less than 20 g/l., c) at least one type of copolymer CP consisting of M monomers comprising α) at least one type of monoethylenically unsaturated monomer M1 comprising at least one sulphonic acid group and β) at least one type of neutral monoethylenically unsaturated monomer M2, wherein the quantitative ratio between the active substance 1 and the other active plant-protective substance 2 ranges from 1:10 to 10:1. Said invention also relates to novel copolymers CP which are embodied in the form of polymers consisting of at least three types of different monoethylenically unsaturated monomers M and comprise, in the polymerization incorporated form, α) at least one type of monoethylenically unsaturated monomer M1 comprising at least one sulphonic acid group, β1) at least one type of neutral monoethylenically unsaturated monomer M2 whose water solubility at a temperature of 20° C. is less than 30 g/l and β2) at least one type of neutral monoethylenically unsaturated monomer M2b whose water solubility at a temperature of 20° C. is greater than 50 g/l.
摘要:
The invention relates to a process for mineral oil extraction by means of Winsor Type III microemulsion flooding, in which an aqueous surfactant formulation comprising at least one ionic surfactant of the general formula R1—O-(D)n-(B)m-(A)l-XY−M+ is injected through injection boreholes into a mineral oil deposit, and crude oil is withdrawn from the deposit through production boreholes. The invention further relates to ionic surfactants of the general formula.
摘要:
The invention relates to a rheometer having a rotatable shaft (1) on which a rotor plate (2) is fastened, and having a measuring instrument (10) for measuring torques exerted on the rotor plate (2) by a substance (6) to be studied during rotation of the shaft (1), a first measurement gap (5) for holding the substance (6) to be studied being formed between a first side (3) of the rotor plate (2) and a first shear face (4) and a second measurement gap (9) for holding the substance (6) to be studied being formed between a second side (7) of the rotor plate (2), opposite the first side, and a second shear face (8). The rheometer contains a magnet for generating a magnetic field in the first and second measurement gaps (5, 9).
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 a process for mineral oil extraction by means of Winsor type III microemulsion flooding, in which an aqueous surfactant formulation comprising at least three ionic surfactants which are different with regard to the alkyl moiety (R1)(R2)—CH—CH2— and are of the general formula (R1)(R2)—CH—CH2—O—(D)n—(B)m—(A)l—XYa− a/b Mb+ is injected through injection boreholes into a mineral oil deposit, and crude oil is withdrawn from the deposit through production boreholes. The invention further relates to surfactant formulations of ionic surfactants of the general formula.
摘要翻译:本发明涉及一种通过Winsor III型微乳液淹水进行矿物油提取的方法,其中包含至少三种离子表面活性剂的水性表面活性剂制剂,其对于烷基部分(R 1)(R 2)-CH- CH 2 - 并且具有通式(R1)(R2)-CH-CH2-O-(D)n-(B)m-(A)1-XYa- a / b Mb +通过注射孔注入矿物 石油储藏和原油通过生产井眼从沉积物中取出。 本发明还涉及通式为离子表面活性剂的表面活性剂制剂。
摘要:
The invention relates to preparations, in particular plant-protective preparations which contain a mixture of at least two different active plant-protective substances, wherein a) at least one active substance is selected from a conazole group (active substance 1) and b) another active-plant protective substance (active substance 2) whose water solubility at a temperature of 20° C. is less than 20 g/l., c) at least one type of copolymer CP consisting of M monomers comprising α) at least one type of monoethylenically unsaturated monomer M1 comprising at least one sulphonic acid group and β) at least one type of neutral monoethylenically unsaturated monomer M2, wherein the quantitative ratio between the active substance 1 and the other active plant-protective substance 2 ranges from 1:10 to 10:1. Said invention also relates to novel copolymers CP which are embodied in the form of polymers consisting of at least three types of different monoethylenically unsaturated monomers M and comprise, in the polymerization incorporated form, α) at least one type of monoethylenically unsaturated monomer M1 comprising at least one sulphonic acid group, β1) at least one type of neutral monoethylenically unsaturated monomer M2 whose water solubility at a temperature of 20° C. is less than 30 g/l and β2) at least one type of neutral monoethylenically unsaturated monomer M2b whose water solubility at a temperature of 20° C. is greater than 50 g/l.
摘要:
The present invention relates to aqueous homogeneous compositions in the form of active quaternary ammonium compound concentrates such as mepiquat or chlormequat, for regulating plant growth, and to the use of these active compound concentrates for preparing aqueous spray solutions having increased activity.