摘要:
The present invention relates to a coating material formulation comprising a mixture comprising as component a1 at least one surfactant and as component a2 at least one compound corresponding to the general formula (I) R1—O—(CH2—CHR2—O)n—(CH2—CH2—O)m—R3 (I) in which R1 is phenyl or substituted phenyl, C4-C14 alkyl, R2 is C1-C8 alkyl, R3 is hydrogen, C1-C6 alkyl, benzoyl, acetyl, acryloyl, methacryloyl, n has an average value of 0 to 10, m has an average value of 1 to 10, where n+m≦10 and m>n, and the alkylene oxide structural units, which are different if appropriate, can be distributed randomly or arranged in blocks, 1%-95% by weight of film-forming binders and resins, 0%-80% by weight of fillers, 0%-40% by weight of pigments, 0%-20% by weight of additives and 0%-90% by weight of organic solvents and/or water, the sum of the weight percentages being 100% by weight, and to the use of the mixture of the invention for lowering the surface tension in a coating material by addition to the coating material.
摘要:
The present invention relates to a coating material formulation comprising a mixture comprising as component a1 at least one surfactant and as component a2 at least one compound corresponding to the general formula (I) R1—O—(CH2—CHR2—O)n—(CH2—CH2—O)mR3 (I) in which R1 is optionally substituted phenyl, C4-C14 alkyl, R2 is C1-C8 alkyl, R3 is hydrogen, C1-C6 alkyl, benzoyl, acetyl, acryloyl, methacryloyl, n has an average value of 0 to 10, m has an average value of 1 to 10, where n+m≦10 and m>n, and the alkylene oxide structural units, which are different if appropriate, can be distributed randomly or arranged in blocks, 1%-95% by weight of film-forming binders and resins, 0%-80% by weight of fillers, 0%-40% by weight of pigments, 0%-20% by weight of additives and 0%-90% by weight of organic solvents and/or water, the sum of the weight percentages being 100% by weight, and to the use of the mixture of the invention for lowering the surface tension in a coating material by addition to the coating material.
摘要:
An aqueous sulfuric acid-containing composition which comprises at least one surfactant, and a process for extricating metal from metal-containing materials with the aid of this aqueous sulfuric acid-containing composition are described.
摘要:
A composition for cyanide leaching which comprises at least one nonionic surfactant and a process for extracting metals using the abovementioned composition are described.
摘要:
The invention relates to the use of modified polyglycols for production of cooling and/or lubricating fluids, to novel cooling and/or lubricating fluids, to the use of the cooling and/or lubricating fluids in the removal of material, especially in the cutting of wafers, and to wafers produced with the aid of the cutting fluid.
摘要:
Aqueous leachant compositions and processes for using the same comprising: (a) providing a metal-containing compound; and (b) subjecting the metal-containing compound to an acid digestion comprising contacting the metal-containing compound with an aqueous leachant; wherein the aqueous leachant comprises a mixture selected from the group consisting of: (i) sulfuric acid and one or more alkanesulfonic acids having alkane moieties selected from the group consisting of propyl, ethyl and methyl groups, at a weight ratio of alkanesulfonic acid to sulfuric acid of 1:1000 to 1:1; (ii) sulfuric acid and one or more salts of alkanesulfonic acids having alkane moieties selected from the group consisting of propyl, ethyl and methyl groups, at a weight ratio of salt of alkanesulfonic acid to sulfuric acid of 1:9 to 1:99.
摘要:
Water-soluble polymers having K values of from 5 to 100 (determined on the Na salt of the polymers according to H. Fikentscher in aqueous solution at 25.degree. C., a pH of 7 and a concentration of 1% by weight of the Na salt of the polymer) are prepared by polymerizing a monomer mixture of(a) monethylenically unsaturated C.sub.3 -C.sub.8 -monocarboxylic acids and(b) more than 20-100 mol % of monomers which have two or more ethylenically unsaturated double bonds linked via one or more ester or amide functions and which contain one or more --CO--OX groups, where X is one hydrogen equivalent, one alkali metal equivalent or one alkaline earth metal equivalent or an ammonium group,in aqueous solution in the presence of a polymerization initiator, and the polymers are used in amounts of from 0.5 to 25% by weight in detergents and cleaners.
摘要:
Water-soluble copolymers having a K value of from 8 to 100 (determined on the Na salt of the copolymers according to H. Fikentscher in aqueous solution at 25.degree. C., at a pH of 7 and at a concentration of the Na salt of the polymer of 1% by weight) are prepared by copolymerization of monomer mixtures of(a) from 98.5 to 18.5 mol % of one or more monoethylenically unsaturated C.sub.3 -C.sub.6 -monocarboxylic acids,(b) from 1.5 to 20 mol % of one or more comonomers which contain two or more ethylenically unsaturated, nonconjugated double bonds which are separated from one another by one or more ester bonds,(c) from 0 to 80 mol % of one or more monoethylenically unsaturated C.sub.4 -C.sub.6 -dicarboxylic acids or their anhydrides and(d) from 0 to 20 mol % of other monoethylenically unsaturated comonomers which are copolymerizable with the monomers (a), (b) and (c),the sum of the molar percentages (a) to (d) always being 100, in the presence of a polymerization initiator and a polymerization regulator at not more than 200.degree. C. in one or more inert organic solvents.
摘要:
A surfactant-based detergent contains water-soluble copolymers which contain(a) from 99.5 to 15 mol % of one or more monoethylenically unsaturated C.sub.3 - to C.sub.6 -monocarboxylic acids,(b) from 0.5 to 20 mol % or one or more comonomers which have two or more ethylenically unsaturated nonconjugated double bonds and are derived from esters,(c) from 0 to 84.5 mol % of one or more monoethylenically unsaturated C.sub.4 - to C.sub.6 -dicarboxylic acids,(d) from 0 to 20 mol % of one or more hydroxyalkyl esters of monoethlenically unsaturated C.sub.3 - to C.sub.6 -carboxlic acids and(e) from 0 to 30 mol % of other water-soluble monoethylenically unsaturated monomers copolymerizable with (a) to (d)as copolymerized units, with the proviso that the sum of the mol % ages (a) to (e) is always 100 and which have a Fikentscher K value of from 8 to 120.
摘要:
Aqueous leachant compositions and processes for using the same comprising: (a) providing a metal-containing compound; and (b) subjecting the metal-containing compound to an acid digestion comprising contacting the metal-containing compound with an aqueous leachant; wherein the aqueous leachant comprises a mixture selected from the group consisting of: (i) sulfuric acid and one or more alkanesulfonic acids having alkane moieties selected from the group consisting of propyl, ethyl and methyl groups, at a weight ratio of alkanesulfonic acid to sulfuric acid of 1:1000 to 1:1; (ii) sulfuric acid and one or more salts of alkanesulfonic acids having alkane moieties selected from the group consisting of propyl, ethyl and methyl groups, at a weight ratio of salt of alkanesulfonic acid to sulfuric acid of 1:9 to 1:99.