Abstract: The invention relates to a separator which has a porous coating which is not electrically conductive and is composed of oxide particles which are adhesively bonded to one another and to the substrate by means of an inorganic adhesive and comprise at least one oxide selected from among Al2O3 and SiO2 on a substrate and in the interstices of the substrate which has fibres composed of a material which is not electrically conductive, characterized in that at least one sugar is present in the ceramic coating.

Abstract: The invention relates to a foil which includes polymeric fibres, the polymeric fibres of which are interwelded, more particularly heat welded, solvent welded, cold welded, ultrasonically welded and/or at least partly interfused or positively or nonpositively interconnected at the crossing points between the pores at least, a process for production thereof, and also use thereof.

Abstract: The invention relates to a ceramic composite material (1), comprising a planar carrier substrate (2) and a porous coating (4) that is applied onto the carrier substrate (2) and contains ceramic particles (3). The problem underlying the invention is that of further developing a ceramic composite material of type such that lower thicknesses can be achieved while maintaining the high thermal and mechanical stability. Said problem is solved by a ceramic composite material having a polymeric film (2) as the carrier substrate (2), wherein the carrier substrate (2) is provided with a perforation that consists of a plurality of holes (6) arranged at regular intervals, and wherein the perforation is covered by the porous coating (4) at least on one side of the carrier substrate (2). A cross-section of the ceramic composite material according to the invention is shown in FIG. 1.

Abstract: The present invention relates to a membrane comprising a flat, flexible substrate having a plurality of openings and having a porous inorganic coating situated on and in said substrate, the material of the substrate being selected from woven or non-woven, electrically non-conductive fibers, characterized in that the substrate comprises polyaramide fibers that are pure or connected to fibers of the further polymer or at least of one of these further polymers, wherein the fibers of at least one of said further polymers comprise a melting point that is lower than the decomposition point of the polyaramide fibers.

Abstract: The invention relates to a perforated film that has a thickness of less than 20 ?m, a tensile strength of 2 N/cm to 40 N/cm, and a perforated surface area of 10% to 90%.

Abstract: The invention relates to an electrolyte formulation comprising a) an ionic liquid which is electrochemically stable over a range of at least 4.5 V, has a viscosity of less than 300 mPa·s at 20° C. and has a conductivity of at least 1 mS/cm at 20° C., and b) an aprotic, dipolar solvent in an amount of 20 to 60% by volume based on the electrolyte formulation, wherein the conductivity of the electrolyte formulation is greater at least by a factor of 2 than the conductivity of the ionic liquid.

Abstract: The invention describes novel silicone-containing graft copolymers and processes for their preparation. In particular, it relates to silicone-containing graft copolymers P, which are obtained by grafting olefinic monomers M onto polyether-containing radicals of polyoxyalkylene-polysiloxane block copolymers S with (AB)n structure.

Abstract: The invention relates to polysiloxanes containing guanidino groups for which the guanidino groups can be combined arbitrarily with other functional groups on the polysiloxane backbone according to the general formula (I)

Abstract: The invention relates to UV-light-absorbing quaternary polysiloxanes in which quaternary groups and UV-absorbing radicals can be mixed independently of one another according to the general formula (I)

Abstract: Sheet stock that is useful as a separator in batteries can be obtained by a method in which (a) the sheet stock is provided, (b) the sheet stock is cut to the required width, and, subsequently, (c) the sheet stock obtained according to step (b) is wound onto a core or tube, and, subsequently, (d) the sheet stock is cut to length on the core or tube along the axis of the core or of the tube. The sheet stock has a carrier and abrasive particles, the abrasive particles being located inside and/or on at least part of the surface of the carrier.

Abstract: A method for cutting and/or punching material in which abrasive particles are present within and/or on the surface of a substrate is provided. The material cut or punched is useful as a ceramic separator for electrochemical applications including capacitors, supercapacitors, batteries, lithium ion batteries and lithium metal batteries.

Abstract: The invention relates to a process for preparing alkylpolyglycosides from monomeric glycosides, oligo- or polyglycosides and alcohols according to the general scheme (Glyc-O)zH+R1—OH?(Glyc-O)z?R1 where z?1, z??z, preferably from 1 to 10, (Glyc-O)— is a glycoside radical, R1 is a hydrocarbon radical which optionally contains multiple bonds and/or heteroatoms, which comprises carrying out the reaction under supercritical conditions with regard to the alcohol, preferably at pressures and temperatures which are at least 5% above the critical parameters, the alcohols serving both as the solvent and as reactants.

Abstract: The invention relates to a method for chemically modifying polysaccharides with the aid of a mechanical device and of at least one modifying reagent. The method is characterized in that the polysaccharide constituent is subjected at least once to a treatment by a roll mill during which at least two adjacent and counter-rotating rolls rotate at different speeds, and the polysaccharide constituent is mixed with the modifying reagent before and/or during the mechanical treatment. During this method, typically pectins, carob seed grain, guar meal and alginates are used as the polysaccharide constituent, and epoxides, amines or carboxylic acid derivatives are used as modifying reagents. The mechanical treatment can be repeated one to three times in a multiple roll mill, preferred rotating speeds of the adjacent rolls typically differing by 200%.

Abstract: The invention describes novel silicone-containing graft copolymers and processes for their preparation. In particular, it relates to silicone-containing graft copolymers P, which are obtained by grafting olefinic monomers M onto polyether-containing radicals of polyoxyalkylene-polysiloxane block copolymers S with (AB)n structure.

Abstract: A flexible, ceramic membrane is useful as a separator for batteries, especially lithium batteries, the membrane containing a polymeric non-woven; a ceramic coating on and in the non-woven; wherein the ceramic coating comprises at least one oxide selected from the group consisting of Al2O3, TiO2, ZrO2, BaTiO3, SiO2, and mixtures thereof; wherein the coating comprises at least two fractions of oxides selected from the group consisting of Al2O3, TiO2, ZrO2, BaTiO3, SiO2, and mixtures thereof; a first ceramic fraction of the coating having been obtained from a sol; a second fraction of the coating comprising particles having an average particle size in the range from 200 nm to 5 ?m; wherein the first fraction is present as a layer on the particles of the second fraction; the coating comprising from 0.

Abstract: The invention provides a process for preparing amino acid esters and/or their acid addition salts from monomeric or polymeric amino acids, peptides, proteins and alcohols, which comprises carrying out the reaction in supercritical alcohols, preferably at pressures and temperatures which are at least 5% above the critical parameters, the alcohols serving both as the solvent and as reactants.

Abstract: The invention relates to polysiloxanes containing guanidino groups for which the guanidino groups can be combined arbitrarily with other functional groups on the polysiloxane backbone according to the general formula (I)

Abstract: The invention relates to UV-light-absorbing quaternary polysiloxanes in which quaternary groups and UV-absorbing radicals can be mixed independently of one another according to the general formula (I)

Abstract: Emulsions comprising cationic emulsifiers and optionally coemulsifiers, optionally customary auxiliaries and additives, wherein the cationic emulsifiers used are at least one compound of the general formula (I) in which R1, R2, independently of the other, is at least one radical chosen from the group H, and/or an optionally branched, optionally multiple bond-containing hydrocarbon radical, a hydroxyalkyl, alkoxy, carboxyalkyl radical, an aminoalkyl, alkylaminoalkyl, amidoalkyl, alkylamidoalkyl radical, a homo- or heterocyclic, optionally substituted aliphatic or aromatic hydrocarbon radical having 1 to 60 carbon atoms, preferably 1 to 30 carbon atoms, in particular 12 to 18 carbon atoms, with the proviso that the sum of the carbon atoms from R1+R2 is at least 12 and X? is a salt-forming anion or the hydroxyl anion are provided.

Abstract: A process for the preparation of compounds according to the general formula (I), in which R is a hydrocarbon radical of an alcohol, wherein one or more alcohols of the general formula (II) R—OH??(II) in which R is as defined above, are esterified and/or transesterified without using significant amounts of solvents, preferably without solvents, preferably under reduced pressure at temperatures below 100° C. in the presence of enzymes from the class of hydrolases with a compound according to the general formula (III), in which R1 is either hydrogen or a linear or branched alkyl or alkenyl group having 1 to 3 carbon atoms is provided.