摘要:
Fuels for internal combustion engines or lubricants contain small amounts of compounds of the formulae Ia and/or Ib ##STR1## where R is an aliphatic hydrocarbon radical having a number average molecular weight of from 250 to 5,000 and X is ##STR2## where the radicals R.sup.1 may be identical or different and are each hydrogen, C.sub.1 -C.sub.10 -alkyl, C.sub.1 -C.sub.8 -hydroxyalkyl or C.sub.1 -C.sub.8 -aminoalkyl, or where the two radicals R.sup.1 may form a nonaromatic ring.
摘要:
Antifoams for the paper industry are based on oil-in-water emulsions in which the oil phase accounts for from 5 to 50% by weight of the emulsion and contains(a) an alcohol of not less than 12 carbon atoms, fatty esters of alcohols of not less than 22 carbon atoms and C.sub.1 -C.sub.36 -carboxylic acids, distillation residues which are obtainable in the preparation of alcohols having a relatively large number of carbon atoms by the oxo synthesis or by the Ziegler method and which may be alkoxylated, a mixture of the stated compounds and/or(b) a fatty ester of a C.sub.12 -C.sub.22 -carboxylic acid with a monohydric to trihydric C.sub.1 -C.sub.18 -alcohol and, if required,(c) a hydrocarbon having a boiling point above 200.degree. C. or a fatty acid of 12 to 22 carbon atoms,in combination with(d) from 1 to 80% by weight of polyglyceryl esters which can be prepared by not less than 20% esterification of a polyglycerol mixture which contains, as essential components, di-, tri- and tetraglycerol and, if required, polyglycerols having higher degrees of condensation with saturated or unsaturated C.sub.12 -C.sub.36 -fatty acids.
摘要:
An Otto-cycle engine fuel containing a small amount of an amide, amide/ammonium salt and/or ammonium salt of an aminoalkylene polycarboxylic acid and a long-chain secondary amine as additive for cleaning the carburetor and valves.
摘要:
Abstract of the Disclosure: Copolymers of (a) C.sub.12 - to C.sub.24 -monoolefins and (b) maleic anhydride or itaconic anhydride, having molecular weights of from 800 to 100,000 g/mol, in the form of partially or completely neutralized semiamides with morpholine, in aqueous solution or dispersion, can be used as sizes for paper.
摘要:
The invention relates to a fuel for gasoline engines and diesel engines, containing small amounts of an ester of a mono- and/or poly-carboxylic acid with an alkyl alkanolamine or alkyl aminopolyalkylene glycol of the general formula I ##STR1## in which R.sub.1 is a C.sub.6 -C.sub.30 -alkyl radical,R.sub.2 is a C.sub.6 -C.sub.30 -alkyl radical or a hydroxyalkyl radical of the general formula II ##STR2## and R.sub.3 is a hydroxylalkyl radical of formula II, in which R.sub.4 is hydrogen or a C.sub.1 -C.sub.6 -alkyl radical and m is an integer from 0 to 100.
摘要:
Pourable molding compounds containing sinterable powders contain, based on the total compound,a) from 60 to 95% by weight of sinterable powders,b) from 0.1 to 10% by weight of a surfactant, obtainable by alkoxylation of an aliphatic alcohol, fatty acid, fatty acid amide, fatty acid ester or aliphatic amine,c) from 2 to 35% by weight of an organic solvent having a melting point
摘要:
A glycol-based antifreeze mixture which is free of nitrites and phosphates contains an alkali metal salt of a C.sub.4 -C.sub.16 -alkenylsuccinic acid, stabilized silicate and further corrosion-inhibiting additives.
摘要:
Fuels for gasoline engines contain small amounts of copolymers of alkyl (meth)-acrylates where the alkyl radical is of 8 to 40 carbon atoms and/or vinyl esters of carboxylic acids of 8 to 40 carbon atoms and monoethylenically unsaturated mono- and/or dicarboxylic acids of 3 to 12 carbon atoms and/or monoethylenically unsaturated compounds having sulfo and/or phosphonic acid groups, having a total molecular weight of from 500 to 20,000 g per mole, some or all of the carboxyl, sulfo and phosphonic acid groups of the copolymers having been reacted with an alkali or alkaline earth with formation of the alkali metla salts or alkaline earth metal salts and the remainder of the acid groups having been reacted with ammonia and/or amines of not more than 50 carbon atoms to give the corresponding amide groups and/or ammonium salts.
摘要:
Pumpable free-flowing aqueous coal dispersions containing a special non-ionic dispersant which is a polyalkylene oxide bisphenol A derivative, and the use of the said dispersant in coal/water dispersions.
摘要:
In an aqueous acidic plating bath for the electrolytic deposition of zinc, which contains conventional conductive salts, brighteners and surfactants, one of the surfactants is a surfactant of the formula I ##STR1## where R.sup.1 is C.sub.4 -C.sub.20 -alkyl, R.sup.2 is identical to R.sup.1 or is hydrogen, X and Y are each a radical --SO.sub.3 H, where the hydrogen atom can be replaced by an alkali metal or alkaline earth metal atom or by one equivalent of zinc and n is an integer from 5 to 50.