Abstract: The invention relates to an oral dosage form, comprising at least one biologically active agent, formulation auxiliary substances and magnetizable particles, wherein the dosage form has an at least two phase composition, wherein the phases can dissolve in the body after oral administration due to their formulation and the magnetizable particles are bound in formulation auxiliary substances and are present in a magnetized state, wherein the magnetized particles are present in at least two phases of the dosage form and generate magnetic fields, wherein these phases dissolve at different times in the body after oral administration, and wherein the magnetic field strength with respect to time, position and movement in the body is acquired using a detection system and can be evaluated using a computer-based evaluation system.

Abstract: The invention relates to an improved blend of polyphenylsulfone (PPSU) and polytetrafluoroethylene (PTFE) for producing friction-reducing tapes (anti-wear tapes) used as a friction-reducing intermediate layer in flexible fluid pipes, e.g. oil pipes.

Abstract: The present invention relates to a pharmaceutical or nutraceutical preparation comprising a) a core containing a pharmaceutically or nutraceutically active substance and a substance that acts in a modulatory manner with regard of the release of pharmaceutically or nutraceutically active substances; and b) a controlling layer surrounding the core comprising i) 55 to 92% by weight based on the total weight of (meth)acrylic copolymers present in the layer of one or a mixture of a plurality of (meth)acrylate copolymers composed of 80 to 98% by weight based on the weight of the (meth)acrylic copolymer of structural units derived from C1 to C4 alkyl esters of (meth)acrylic acid and 2 to 20% by weight based on the weight of the (meth)acrylic copolymer of structural units derived from (meth)acrylate monomers with a quaternary ammonium group in the alkyl radical; and ii) 8 to 45% by weight based on the total weight of (meth)acrylic copolymers present in the layer of one or a mixture of a plurality of (meth)acrylate co

Abstract: The invention relates to a method for producing an oral form of administration which decomposes immediately and releases active ingredients in the mouth. According to said method, (a) an anionic pharmaceutical active ingredient is intensively mixed with (b) a copolymer consisting of radically polymerized C1-C4 esters of the acrylic acid or methacrylic acid and other (meth)acrylate monomers containing functional tertiary amino groups, and (c) between 5 and 50 wt. %, in relation to (b), of a C12-C22 carboxylic acid in the melted mass; the mixture is solidified and ground to form a powder containing active ingredients having an average particle size of 200 ?m or less; and the powder is encapsulated in a water-soluble matrix consisting of pharmaceutically standard adjuvants, on the condition that no more than 3 wt. %, in relation to the copolymer, of emulsifiers with an HLB value of at least 14 must be contained therein.

Abstract: A coated sheet-like plastics material comprising a) as base, a thermoplastic substrate; and b) on the base, a photocatalytically active coating comprising a water-spreading layer which involves either a sol-adhesion-promoter layer, layer b1+2), comprising an adhesion promoter and a colloid sol, or a colloid-sol layer b2) arranged on an adhesion-promoter layer b1) applied on the substrate a), and a photocatalytically active layer b3) arranged on the water-spreading layer b1+2) or b2), where b3) is obtainable through application and drying of a mixture comprising, based on the solids content of the mixture in percent by weight b31) from 1 to 25% of titanium dioxide and b32) from 75 to 99% of silicon dioxide and/or of a metal oxide which is not soluble in water or of an anionically modified silicon dioxide or metal oxide; where the titanium dioxide is particulate with an average primary-particle size smaller than 10 nm.

Abstract: The present invention relates to innovative materials which are reversibly crosslinkable by means of a thermoreversible mechanism and/or whose viscosity is reversibly adjustable. Through the use of bishydrazones or conjugated bis-Schiff bases as diene components in aza-Diels-Alder reactions, functional materials are generated that feature controllable viscosity and/or reversible crosslinking.

Abstract: A molding compound comprises a copolymer (I)a), produced by polymerization of 90-100% by weight methylmethacrylate, styrene and malic acid anhydride, and optionally 0-10% by weight additional monomers which can be copolymerized with methylmethacrylate, a (co)polymer (II)b), produced by polymerization of 80-100% by weight methylmethacrylate and optionally 0-20% by weight additional monomers which can be copolymerized with methylmethacrylate, and has a solution viscosity in chloroform at 25° C. (ISO 1628 Part 6) of 50 to 55 ml/g, as well as c) optional conventional additives, auxiliary agents and/or fillers. The molding compound is characterized in that the copolymer (I) has a solution viscosity in chloroform at 25° C. (ISO 1628 Part) of 55 ml/g or less. Also disclosed are moldings produced by thermoplastic processing of the molding compound and their uses.

Abstract: The present invention relates to weathering-resistant, colored moldings made of poly(alkyl)(meth)acrylate with improved gloss and resistance to mechanical influences acting on the surface of the molding, in particular with improved wipe resistance and improved scratch resistance, and also to molding compositions for producing the same.

Abstract: The invention relates to an aqueous medium containing an amino(meth)acrylate polymer or copolymer which is not soluble in dematerialised water, characterized in that the medium has a content of an aqueous phase of at least 60% by weight and a content of up to 40% by weight of solids comprising the amino(meth)acrylate polymer or copolymer, whereby the aqueous phase is charged by a sufficient amount of carbon dioxide that effects the amino(meth)acrylate polymer or copolymer to be present in solute form in the medium. The aqueous medium may be used beneficially as a coating or binding solution for the spray coating or binding of pharmaceutical compositions or nutraceutical compositions or cosmetical compositions.

Abstract: An intumescent coating composition and a process for curing the coating to obtain an intumescent coating is provided. The intumescent coating composition contains a thermoplastic polymer which comprises as a copolymerized component, an acid (meth)acrylate or a copolymerizable polyfunctional carboxylic acid; at least one ethylenically unsaturated monomer; an azo or organic peroxide initiator; an acid source; a carbon source; and a gas source.

Abstract: The invention relates to a process for preparing a (meth)acrylate copolymer containing tertiary amino groups by free-radical polymerization in solution from a monomer mixture selected from a) 30 to 70% by weight of a C1-C4-alkyl ester of acrylic acid or methacrylic acid and b) 70 to 30% by weight of an alkyl ester of acrylic acid or methacrylic acid with a tertiary amino group in the alkyl radical and c) 0 to 10% of further copolymerizable vinyl monomers, whereby one or more polymerization initiators, optionally one or more molecular weight regulators and one or more solvents or of a solvent mixture are added to the monomer mixture to give a polymerization mixture, which is polymerized at temperatures from 30 to 120° C.

Abstract: The invention relates to a process for preparation of methacrylic acid, comprising the steps: a) providing a feed composition comprising a main compound selected from isobutylene and tert-butyl alcohol and at least one co-compound selected from the group consisting of methanol, dimethyl ether and formaldehyde; b) subjecting the feed composition provided in step a) with at least a first part of said at least one co-compound to a catalytic reaction zone and obtaining an oxidation phase comprising methyl methacrylate and methacrylic acid.

Abstract: The invention relates to a novel support material for the fused deposition modelling process for producing three-dimensional objects. The invention relates more particularly to a 3D printing process involving support materials which are easier to remove than in the prior art. The support materials according to the invention are styrene-maleic anhydride copolymers for example.

Abstract: The invention relates to a process for preparing a (meth)acrylate copolymer containing quaternary ammonium groups from a monomer mixture selected from: (a) 80 to 99% by weight of a C1-C4-alkyl ester of acrylic acid or methacrylic acid; and (b) 20 to 1% by weight of an alkyl ester of acrylic acid or methacrylic acid with a quaternary ammonium group in the alkyl radical; and (c) 0 to 10% of further copolymerizable vinyl monomers whereby one or more polymerization initiators, optionally one or more molecular weight regulators and one or more solvents or of a solvent mixture are added to the monomer mixture to give a polymerization mixture, which is polymerized at temperatures from 30 to 120 C over a period of 2 to 24 hours, where the polymerization mixture is polymerized to a polymerization syrup with a conversion of the monomers to the copolymer of at least 99% by weight, where the polymerization syrup is subsequently degassed by distillation or by extrusion and the degassed polymerization syrup is further comm

Abstract: The invention relates to a controlled polymerization process for preparing (meth)acrylate-based AB diblock copolymers with a B block which has a narrow monomodal molecular weight distribution, and an A block which has a broad monomodal molecular weight distribution, and to the use thereof, for example, as a binder in adhesives or sealants.

Abstract: The invention relates to a controlled polymerization process for preparing (meth)acrylate-based AB diblock copolymers with a B block which has a narrow monomodal molecular weight distribution, and an A block which has a broad bimodal molecular weight distribution, and to the use thereof, for example, as a binder in adhesives or sealants.

Abstract: A reactor for preparing hydrogen cyanide by the Andrussow process is provided. The reactor comprises at least one gas inlet which opens into a gas inlet region, an outlet for the reaction products and a catalyst, wherein at least one mixing element and at least one gas-permeable intermediate layer are within the reactor between the gas inlet region and the catalyst. The mixing element is arranged between the gas inlet region and the gas-permeable intermediate layer. A process for preparing HCN, in the reactor is also provided.

Abstract: The present invention relates to a plastics molding composition encompassing at least one poly(meth)acrylate A) and at least one impact-modified poly(meth)acrylate B), wherein the die swell of the plastics molding composition is at least 15%, measured at 5 MPa and 2200C to DIN 54811 (1984), and the melt flow rate of the poly(meth)acrylate A) is at least 10 ml per 10 minutes, measured to ISO 1133 at 2300C with a load of 3.8 kg. The present invention also describes moldings which encompass the plastics molding composition described above, and processes for the production of the said moldings.

Abstract: The invention relates to compositions for producing polymethacrylimide foams having reduced pore size. The inventive method allows production of a microporous foam with an especially homogeneous pore size distribution without having to use insoluble nucleation agents.

Abstract: The present invention relates to a process for preparing polyalkylene glycol di(meth)acrylates by reacting polyalkylene glycol with (meth)acrylic anhydride, wherein the reaction mixture contains at most 0.5% by weight of metal compounds and/or amines, the reaction is carried out in the presence of polymerization inhibitors and the reaction temperature is at least 60° C.