Abstract: The invention relates to a process for the solvent-free preparation of sucrose fatty acid esters, their mixtures with nonsugar polyol fatty acid esters, and in particular of sucrose glycerides. In a first process step, sucrose is reacted with fatty acid alkyl esters in the presence of basic catalyst at reduce pressure and elevated temperature. In a further reaction step, the reaction mixture obtained above is reacted at reduced pressure and elevated temperature with 0.1 to 0.5 mol of polyol per mole of fatty acid alkyl ester employed and then filtered. The products of the process according to the invention have very high sucrose ester contents. They are free of undesired, unreacted alkyl ester.

Abstract: The invention relates to a storage-stable, concentrated, aqueous surfactant composition comprisinga) 40 to 75% by weight of one or more alkylglucosides of the formulaR.sup.1 O--?G!.sub.p (I)whereinR.sup.1 is an alkyl radical having 6 to 22 C atoms, in particular 12 to 18 C atoms, andG is the glucoside radical andP is a number from 1 to 3,b) 1 to 15% by weight of a fatty acid,c) 0 to 5% by weight of an electrolyte of alkali metal or alkaline earth metal halides andd) 5 to 59% by weight of water.

Abstract: The invention relates to a low-viscosity alkaline cleaning emulsion comprising glyceryl trioleate or oleic acid, a nonionic emulsifier, an amine oxide, a hydrotrope, aqueous alkali metal hydroxide solution, a complexing agent and water, wherein the emulsifier is the reaction product of an ethoxylated glyceryl triricinoleate and oleic acid.

Abstract: An apparatus designed for the batchwise treatment of suspensions comprises a cylindrical reaction vessel (1) which is rotationally symmetric with respect to an axis (4) and within which, in a coaxial arrangement with respect to said axis (4), an insertion member (28') is disposed which includes a grinding cage (31) and the grinding bed formed by grinding balls (25). By means of delivery elements and stirring elements (35, 37) a suspension stream is generated which passes through the grinding bed in the direction of the arrows (28), leaves the insertion member (28') in the upper region thereof via radially oriented orifices (13) and is circulated via the annular chamber (15) of the reaction vessel (1). The reaction vessel (1) is of pressure-tight design, and heterogenous reactions can proceed inside it in vacuum or pressurized mode.

Abstract: Copolymers derived from polyamino acids with at least 75% of the units present selected from the group consisting of structural units having the general formulas (I) and (II) in which the structural elements A are identical or different trifunctional hydrocarbon radicals with 2 or 3 C atoms, wherein the copolymer contains at least three units of formula (I).

Abstract: The present invention relates to organopolysiloxanes comprising polyhydroxyorganyl radicals, especially sugar radicals or sugar-derivative radicals, and polyoxyalkylene radicals, to processes for their preparation and to their use.

Abstract: Radiation-curing printing inks which comprise organopolysiloxanes of the general formula ##STR1## in which R.sup.1 =an alkyl radical having 1 to 8 carbon atoms,R.sup.2 =a group of the formula--CH.sub.2 --CH.sub.2 --C(O)O--R--(OC(O)--CH.dbd.CH.sub.2).sub.x-1and/or--CH.dbd.CH--C(O)O--R--(OC(O)--CH.dbd.CH.sub.2).sub.x-1in which x is an integer and is at least 2, and R is a hydrocarbon radical which optionally has alkoxy groups,R.sup.3 =R.sup.1 or R.sup.2,n=30 to 150,m=0 to 3, preferably 0,in quantities of from 0.01 to 3% by weight, based on the ink formulation.

Abstract: The invention relates to a process for preparing dimethylmonochlorosilane (CH.sub.3).sub.2 Si(H)Cl by partial hydrogenation of dimethyldichlorosilane (CH.sub.3).sub.2 SiCl.sub.2 in a reaction system comprising magnesium hydride and aluminum chloride and an inert liquid organic vehicle while milling continually.

Abstract: The invention relates to the use of block copolymers having linked siloxane blocks of the general average formula ##STR1## as additive in the production of polyurethane foams.

Abstract: The invention relates to a method for separating alkyl glycoside mixtures or alcohol-containing alkyl glycoside mixtures by extraction, which is characterized in that the extraction is carried out with an extraction agent, which is close to or below the critical point at a reduced temperature ranging from 0.9 to 1.2, and at pressures, which are selected so that the density of the extraction agent is at least 180 kg/m.sup.3.

Abstract: Halogen magnesium aluminum hydridohalides of the general formula?Mg.sub.2 X.sub.3 (ether).sub.y !.sup.+ ?AlH.sub.4-n X.sub.n !.sup.-wherein X is chlorine, bromine or iodine, y is a number from 0 to 6, n is a number from 1 to 3 and ether is an aliphatic or cylcoaliphatic ether with 2 to 30 carbon atoms, with the exception of t-butyl ether, with a dipole moment>0.5 Debye and a melting point of<0.degree. C. are prepared. The invention furthermore relates to a method for the synthesis of these compounds and to a method of reducing functional organic compounds utilizing the inventive compounds.

Abstract: Polysiloxane-polyoxyethylene-polyoxypropylene triblock copolymers having the general formula: ##STR1## as well as compounds for the defoaming of aqueous dispersion paints that are disclosed contain the copolymers as effective defoaming components.

Abstract: The invention relates to mild, aqueous, surfactant preparations for cosmetic purposes and as detergents. These preparations contain, as surfactants, betaines of the general formula ##STR1## in which R is an alkyl group with 7 to 21 carbon atoms, 20 to 100% by weight of the betaines used as R group having an alkyl group with 7 to 9 carbon atoms, in an amount of 1.0 to 40% by weight of the preparation used. These preparations are distinguished by their exceptionally mild and low irritating properties when used, for example, in face lotions, shampoos or lotions.

Abstract: A method for producing insulating panels based on mineral fibers and paper fibers is disclosed. The panels are formed by preparing a suspension of mineral fibers, binders and conventional additives in water, forming the insulating panel by applying the slurry on a screen, drying and consolidating the insulating panel. Due to the use of surface active siloxanes, which contain betaine or quaternary groups, a more rapid and better dewatering of the filter residues, which are intended for the drying process, is attained.

Abstract: Electrically conductive and infrared-reflecting tin oxide layers with a reduced optical irisation intensity on glass, glass ceramic and enamel are produced in that initially a solution of boron, silicon, tin and optionally phosphorus compounds in water and/or organic solvents is applied and converted pyrolytically into a layer of oxides of these elements, the refractive index of which lies between that of the substrate to be coated and that of the tin oxide layer and on this layer, a tin oxide layer is applied pyrolytically in a known manner.

Abstract: The present invention relates to copolymerizates (A) of unsaturated carboxylic acids, selected from carboxylic acids containing sulfonic acid groups, comonomer mixtures of carboxylic acids containing sulfonic acid groups with dicarboxylic acids, and comonomer mixtures of carboxylic acids containing sulfonic acid groups and/or dicarboxylic acids and their anhydrides, with other unsaturated compounds, in particular monoethylenically unsaturated monocarboxylic acids containing from 3 to 10 carbon atoms. Another embodiment of the invention comprises a process for the preparation of said copolymerizates (A), a mixture of copolymerizates (A) with analogous copolymerizates (B), as well as the use of the above copolymerizates and their mixtures as sequestering agents, complexing agents and co-builders in detergent and cleaning agent industry and as textile treatment aids.

Abstract: The invention relates to the method of preparing an agent for a hair care preparation based on diacetyl tartrate esters of fatty acid glycerides of the following general formula: ##STR1## wherein Ac is the acetyl group,FA is the acyl group of a fatty acid or of a fatty acid mixture with 8 to 18 carbon atoms, anda) and b) being present in a ratio by weight of 100:0 to 60:40.

Abstract: Polyacrylate esters having an average molecular weight of 1500 to 20,000 and being obtainable by the transesterification of alkyl polyacrylates, obtained by free radical polymerization and containing 1 to 4 carbon atoms in the alkyl group, witha) saturated or unsaturated aliphatic alcohols with 12 to 22 carbon atoms andb) optionally, additionally with dialkylaminoalkanols of the general formula HO--R.sup.1 --NR.sup.2 R.sup.3, wherein R.sup.1 is a divalent alkylene groups with 2 to 4 carbon atoms and are R.sup.2, R.sup.3 are the same or different and represent alkyl groups with 1 to 4 carbon atoms,the molar ratio of the aliphatic alcohols a) to the dialkylaminoalkanols b) being 1:0 to 1:1.5, and the components a) and b) being used in such amounts, that 25 to 70% of the ester groups are transesterified, are used as dispersants for finely divided solids, particularly for fillers and pigments, in organic media.

Abstract: Aqueous and radiation-curable printing varnishes and printing inks, are disclosed which contain special polyoxyalkylene polysiloxane copolymers. These printing varnishes and printing inks have improved scratch resistance, a higher gliding ability and an extremely low tendency to foam, so that the production of printing inks proceeds without problems and, at the same time, an optically attractive typography can be obtained.

Abstract: Disclosed are polymethacrylic esters of the central formula ##STR1## in which the radicals R.sup.1 are identical or different and are alkyl radicals having 1 to 8 carbon atoms, perfluoroalkyl radicals or dialkylaminoalkyl radicals, andR.sub.2 radicals are derived from an alcohol R.sup.2 OH,n is a number from 1 to 6, anda is a number which on average is .ltoreq.4, and a process of making the esters by transesterification.