Abstract: Carriers for biomaterials, for polyelectrolyte materials, for electrically polarizable atoms, ions, molecules are provided wherein the material of the carriers is compatible with materials that are used in microelectronics. The arrangement of the biomaterials or biomolecules and optionally of biomolecules, biomaterials, biological functional units or cells adsorbed thereon can be affected with the carrier in a specific manner. Complex molecular machines can be built and tested by the carriers.

Abstract: Water-insoluble anion exchange materials which exhibit improved insolubility in water are used, for example, for anion exchange membranes or as anion exchange resins.

Abstract: The present invention is concerned with the field of polymer chemistry and relates to rubber or elastomer compositions as can be used for vehicle tires, and to a method for the production of the rubber or elastomer compositions. The object of the invention is that in particular the elastic modulus of the compositions can be adapted depending on the temperature and/or the application conditions, and is a cost-effective and easily implemented method for the production of the compositions. The object is attained by rubber or elastomer compositions that contain at least one rubber or elastomer matrix and at least 20 to 150 phr of a phase change material in solid or liquid form.

Abstract: The invention concerns the field of polymer chemistry and relates to an elastomeric composition and a method for the production thereof. The object of the present invention is the specification of an elastomeric compound that has a high tensile strength and high hardness, and the specification of a production method that is cost-efficient and easy to carry out. The object is attained by an elastomeric composition that contains at least one base elastomer, at least one hydrophilic polymer, and at least one inorganic salt. The object is furthermore attained by a method for producing an elastomeric composition in which at least one rubber, at least one hydrophilic polymer and at least one inorganic salt are mixed and subsequently vulcanized, the elastomeric composition is then at least partially brought into contact with water, and afterwards the water is at least partially removed from the elastomeric composition.

Abstract: The present invention concerns the field of polymer chemistry and relates to water-insoluble anion exchange materials as they are used, for example, for anion exchange membranes or as anion exchange resins. The object of the invention is the specification of water-insoluble anion exchange materials which exhibit improved insolubility in water. The object is attained by water-insoluble anion exchange materials, at least composed of linearly polymerized and/or branched and/or crosslinked anion exchange groups C, which are part of the structural units according to at least one of the general formulas I to VIII.

Abstract: The invention concerns the field of polymer chemistry and relates to membranes, such as those used as membranes for the preparation of aqueous solutions by means of reverse osmosis or microfiltration, ultrafiltration or nanofiltration, for example. The object of the present invention is the specification of membranes that exhibit a reduced fouling tendency with equally suitable or improved filtration properties, as well as the specification of a simple and cost-effective method for the production thereof.

Abstract: The invention relates to the field of chemistry and concerns a method suitable for example for use in the automotive industry or in aircraft construction. The object of the present invention is to provide a method by which a bonding of the regions of the plastics that are in direct contact is accomplished. The object is achieved by a method for bonding plastics in which materials which contain at least one electrically conductive material and only partially cover the plastics are applied to at least one of the plastics to be bonded, then the plastics are brought into contact with one another, at least in the region with the materials, and after that at least this region is exposed at least once to an alternating electromagnetic field.

Abstract: The invention relates to the field of chemistry and to the blends that can by way of example be used for rolls and roll coverings in the printing, textile, paper and graphic industry. The problem addressed by the present invention is provision of blends that have improved physical properties, and of a simple low-cost process with low energy consumption for producing same. The problem is solved via blends of thermoplastic polyurethanes and rubbers, consisting of rubber and from 5 to 80% by weight of thermoplastic polyurethanes, where the materials intermesh with one another in the regions of contact between rubber and polyurethanes. The problem is further solved via a process in which at least one rubber and from 5 to 80% by weight of polyurethane precursors are mixed and homogenized, where the precursors are prepolymers made of polyisocyanate(s) and of macroglyeol(s) and at least one chain extender, and/or monomers of polyisocyanates, of macroglycols and of chain extenders.

Abstract: Reverse osmosis or nanofiltration membranes having a substrate on which a porous supporting layer is arranged, on which supporting layer a separation-active layer is arranged, on which separation-active layer a cover layer is arranged, wherein the separation-active layer comprises polyamide with acid chloride groups on the surface of the separation-active layer, and wherein the cover layer comprises a polymer containing functional groups, and the functional groups of the cover layer are coupled in a chemically reactive manner with the acid chloride groups of the polyamide of the separation-active layer. Embodiments are also directed to a method in which at least one cover layer is applied to the separation-active layer of polyamide immediately thereafter.

Abstract: The invention is concerned with the field of polymer chemistry and relates to elastomeric materials as usable, for example, as an inner liner material for motor vehicle tires, and to the use thereof. The problem addressed by the present invention consists in specifying elastomeric materials having relatively low gas permeability. The problem is solved by elastomeric materials comprising butyl and/or halobutyl rubbers or mixtures thereof, with 1 to 20 phr of at least one liquid imidazolium salt and with 1 to 40 phr of at least one filler having a graphitic structure. The problem is additionally solved by the use of the inventive elastomeric materials for elastomer materials having low to very low gas permeability.

Abstract: The invention relates to the non-covalent, self-organizing hydrogel matrix for biotechnological applications containing a covalent polymer peptide conjugate, wherein the covalent polymer peptide conjugate includes conjugates of two or more peptides that are coupled to a polymer chain and the peptide sequence contains a recurring dipeptide motif (BA)n wherein B is an amino acid having positively charged side chain, A is alanine and n is an integer between 4 and 20.

Abstract: An apparatus for the continuous modification of polymers in the flowable state by electron radiation, includes a device configured for converting polymers into the flowable state, a forming device and at least one irradiation device structured and arranged to provide electron radiation in a region of irradiation. Additionally, the apparatus includes at least one cooling device, a radiation guard and supply and discharge lines inside the radiation guard. The supply and discharge lines realize a continuous transport of the polymers in the flowable state at least through the radiation guard into the region of irradiation. Additionally, the supply and discharge lines realize a continuous transport of one of polymers remaining in the flowable state and modified at least inside the radiation guard and solid formed and modified polymers out of the region of the irradiation.

Abstract: The invention relates to the field of chemistry and relates to radically coupled PTFE polymer compounds that can be used, for example, as tribo materials, and a method for the production thereof. The object of the invention is to disclose radically coupled PTFE polymer compounds which exhibit improved wear resistances with comparable gliding properties, and furthermore a simple and efficient method for the production of such compounds. The object is attained through radically coupled PTFE polymer compounds comprising radiation-chemically and/or plasma-chemically modified PTFE powders, on the particle surface of which olefinically unsaturated polymers are chemically radically coupled by a reactive conversion into a melt.

Abstract: The invention relates to the fields of polymer chemistry, pharmacy and medicine and relates to a method, which for example releases drugs as a component of implants into the environment of the implant. The object of the present invention is to disclose a method which in a simple and easily reproducible manner generates a drug delivery system, which releases drugs in a locally targeted and controllably delayed manner. The object is attained by a method in which polyanions and polycations are mixed in a liquid in a non-stoichiometric ratio, relative to the charged monomer units, wherein drugs are added to the polyelectrolytes either before, during or after the mixing, or charge-carrying drugs and an oppositely charged polyelectrolyte are mixed, and after the mixing the polyelectrolyte complex produced is applied to the surface of a medical means or is positioned on the surface directly at the location where the drug is to be released.

Abstract: The invention relates to the field of polymer chemistry and relates to sulfonated polyarylene compounds such as can be used for example in ion exchange membranes in fuel cells, as well as a method for the production thereof and the use thereof. The object of the present invention is to disclose hydrolytically and thermally resistant sulfonated polyarylene compounds with a defined degree and position of sulfonation, from which membrane materials with an improved resistance to hydrolysis can be produced. The object is attained through sulfonated polyarylene compounds according to at least one of the general formulas (I)-(IV).

Abstract: The invention relates to the fields of chemistry and relates to a method for curing and surface modification of molded parts, which can be used, for example, in the automobile industry, in vehicle construction, in the electrical industry. The object of the present invention is to disclose a method which can be carried out in particular in a short time and with a high degree of reproducibility and leads to an improvement in the surface quality of the molded parts to be painted.

Abstract: The invention relates to the field of chemistry and relates to radically coupled PTFE polymer powders that can be used, for example, as tribomaterials, and a method for the production thereof. There is disclosed radically coupled PTFE polymer powders which, when incorporated into a matrix as PTFE polymer compound, exhibit improved wear resistance, and furthermore a simple and efficient method for the production thereof. There is provided radically coupled PTFE polymer powders comprising radiation-chemically and/or plasma-chemically modified PTFE powders, onto the particle surface of which homopolymers, copolymers or terpolymers are radically coupled via a reaction in dispersion or in solid.

Abstract: The invention relates to the field of polymer chemistry and relates to sulfonated polyarylene compounds such as can be used for example in ion exchange membranes in fuel cells, as well as a method for the production thereof and the use thereof. The object of the present invention is to disclose hydrolytically and thermally resistant sulfonated polyarylene compounds with a defined degree and position of sulfonation, from which membrane materials with an improved resistance to hydrolysis can be produced. The object is attained through sulfonated polyarylene compounds according to at least one of the general formulas (I)-(IV).

Abstract: The invention relates to polyphenylene sulfide (per)fluoropolymer materials, which can be used, for example, as tribomaterials. In particular, the present invention relates to polyphenylene sulfide (per)fluoropolymer materials that have an improved tribological behavior. The polyphenylene sulfide (per)fluoropolymer materials comprise a polyphenylene sulfide polymer matrix (PPS polymer matrix) with modified (per)fluoropolymer particles distributed therein in a (poly) disperse manner, which are present bonded to the PPS polymer matrix via chemical couplings. The present invention also relates to a method in which polyphenylene sulfide (PPS) with thiol groups and/or thiolate groups is reactively compounded in a melt with one or more modified (per)fluoropolymer (micro/nano) powders in a single-step or multi-step manner.

Abstract: The invention relates to the field of chemistry and relates to radically coupled PTFE polymer compounds that can be used, for example, as tribo materials, and a method for the production thereof. The object of the invention is to disclose radically coupled PTFE polymer compounds which exhibit improved wear resistances with comparable gliding properties, and furthermore a simple and efficient method for the production of such compounds. The object is attained through radically coupled PTFE polymer compounds comprising radiation-chemically and/or plasma-chemically modified PTFE powders, on the particle surface of which olefinically unsaturated polymers are chemically radically coupled by a reactive conversion into a melt.