Abstract: The present invention is directed to the use as a reactive component in the curing of compositions based on epoxy resins of a functionalized ?-angelica lactone (XOMAL) having the general formula: wherein: Ra is a C1-C30 alkyl, C3-C30 cycloalkyl, C6-C18 aryl or C2-C12 alkenyl group.

Abstract: The present invention relates to curable compositions comprising (a) N-arylated benzoxazines, and (b) a prepolymer produced from a diisocyanate having two isocyanate groups with different reactivity. The compositions are particularly suitable in the production of adhesives and sealants, prepregs and towpreg.

Abstract: The present invention is directed to the use as a reactive component in the curing of compositions based on epoxy resins of a functionalized ?-angelica lactone (XOMAL) having the general formula: wherein: Ra is a C1-C30 alkyl, C3-C30 cycloalkyl, C6-C18 aryl or C2-C12 alkenyl group.

Abstract: The present invention is directed to a monomer for chain growth polymerization, in particular anionic polymerization, said monomer having the general formula (EFL) wherein: Ra is a C1-C30 alkyl, C3-C30 cycloalkyl, C6-C18 aryl or C2-C12 alkenyl group. The present invention is further directed to a process for the anionic polymerization of at least one compound (EFL) as defined above, wherein said anionic polymerization is conducted in the presence of an initiator selected from the group consisting of: alkali metal organyls; alkali metal alkoxides; alkali metal thiolate; alkali metal amides; and compounds of an element of group 3a of the Periodic Table of the Elements. The process of anionic polymerization yields a homo- or co-polymer (p-EFL) having pendant lactone functional groups in its repeating units.

Abstract: The present invention relates to anaerobically curable compositions made from renewable materials. In particular, an alpha-methylene-lactone is used with a (meth)acrylate component and a cure system to form an anaerobically curable composition.

Abstract: The present invention relates to curable compositions comprising (a) N-arylated benzoxazines, and (b) a prepolymer produced from a diisocyanate having two isocyanate groups with different reactivity. The compositions are particularly suitable in the production of adhesives and sealants, prepregs and towpreg.

Abstract: The invention relates to a method for producing radiation-curable alkenyl ether polyols, to radiation-curable alkenyl ether polyols produced using the method according to the invention, and to the use thereof for the synthesis of radiation-interlinkable oligomers or polymers by means of polyaddition reactions or polycondensation reactions, in particular for the synthesis of radiation-curable polyesters, polyethers, polyurethanes and polyureas, particularly preferably UV-curable polyurethanes. The invention also relates to radiation-curable polyurethane polymers that are obtained by reacting at least one alkenyl ether polyol according to the invention with a polyisocyanate.

Abstract: The present invention relates to aqueous peptide-functionalized polyurethane dispersions that can be used as adhesives, in particular for metal surfaces, such as steel surfaces. As hybrid materials, they provide for a versatile system that can be finely tuned and combine the advantageous properties of polyurethane and peptide materials. Also encompassed are processes for their production, compositions containing them and their use as coatings and adhesives.

Abstract: The present invention relates to a process for producing nanocapsules employable as thermo latent polymerization catalysts, in particular for the polymerization of polyurethanes, by means of a high shear process, wherein the process comprises: (i) emulsifying a first reaction mixture (a) in a continuous aqueous phase comprising at least one stabilizer; (ii) emulsifying a second reaction mixture (b) in a continuous aqueous phase comprising at least one stabilizer; (iii) combining the first reaction to the nanocapsules produced by means of the described processes, to the use thereof, and to agents which contain these nanocapsules.

Abstract: The invention relates to a method for producing radiation-curable alkenyl ether polyols, to radiation-curable alkenyl ether polyols produced using the method according to the invention, and to the use thereof for the synthesis of radiation-interlinkable oligomers or polymers by means of polyaddition reactions or polycondensation reactions, in particular for the synthesis of radiation-curable polyesters, polyethers, polyurethanes and polyureas, particularly preferably UV-curable polyurethanes. The invention also relates to radiation-curable polyurethane polymers that are obtained by reacting at least one alkenyl ether polyol according to the invention with a polyisocyanate.

Abstract: The invention relates to a method for producing acetal-containing polymers, in particular polyurethane or polyester polymers, by reacting polymers comprising side chains of alkenyl ether groups containing monomer units derived from alkenyl ether polyols, with monofunctional or polyfunctional alcohols. The invention further relates to the polymers obtainable by the disclosed method, compositions containing said polymers, and the use thereof.

Abstract: The invention relates to a method for producing special nanocapsules, which can be used as thermolatent polymerization catalysts, in particular for the polarization of polyurethanes, by means of a high shear process, wherein the method comprises: (i) emulsification of a reaction mixture into a continuous aqueous phase comprising at least one stabilizer, wherein the reaction mixture comprises, based on the total weight of the reaction mixture: (a) 10.0 to 99.0 wt. % of a monomer mixture which comprises, based on the total weight of the monomer mixture: (a1) 2.5 to 19.0 wt. % of at least one simply ethylenically unsaturated C3-5-carboxylic acid monomer; (a2) 76.0 to 97.5 wt. % of at least one simply ethylenically unsaturated C3-5-carboxylic acid-C1-10-alkyl ester monomer; (a3) 0.0 to 5.0 wt. % of at least one monomer which bears at least two ethylenically unsaturated groups; (b) 1.0 to 70.0 wt. % of at least one polymerization catalyst or initiator; (c) 0.0 to 89.0 wt.

Abstract: The present invention relates to oral and dental care and cleaning agents comprising an aqueous dispersion of a phosphate-containing and/or phosphonate-containing polyurethane polymer and anionic surfactant(s), to tooth cleaning methods using these agents, and to the use of oral and dental care and cleaning agents comprising an aqueous dispersion of a phosphate-containing and/or phosphonate-containing polyurethane polymer and anionic surfactant(s) to reduce the restaining of teeth and/or to reduce biofilm development on dental surfaces and/or to reduce the adhesion of bacteria to dental surfaces and/or to extend the antibacterial action of antibacterial substances.

Abstract: The invention relates to a method for producing polymers, particularly polyhydroxyurethanes (PHU) from alkenyl ether polyols or pre-polymers that contain monomer units derived from such alkenyl ether polyols, and polythiol compounds, as well as to a method for crosslinking compounds containing alkenyl ether groups, with polythiol compounds. The invention also relates to the polymers and crosslinked polymers that can be obtained using the method according to the invention.

Abstract: The present invention relates to methods for curing alkenyl ether groups-containing polyurethanes with moisture-reactive end groups by means of a two-stage curing process. The invention further relates to alkenyl ether group-containing polyurethanes with silicon-containing end groups as well as to the cured polymers which can be obtained by means of the method according to the invention and to the products containing them.

Abstract: The present invention relates to peptides, in particular dodecapeptide-containing coating agents, adhesion promoters or adhesives for oxidic surfaces, a multilayer composite or a coated substrate, containing compounds which are formed entirely or in part of dodecapeptides as adhesion promoters between at least two adjacent layers of the composite or between the coating and the substrate, and to dodecapeptides that can be used as coating agents, adhesion promoters or adhesives for oxidic surfaces.

Abstract: The present invention relates to aqueous peptide-functionalized polyurethane dispersions that can be used as adhesives, in particular for metal surfaces, such as steel surfaces. As hybrid materials, they provide for a versatile system that can be finely tuned and combine the advantageous properties of polyurethane and peptide materials. Also encompassed are processes for their production, compositions containing them and their use as coatings and adhesives.

Abstract: The present invention relates to aqueous peptide-stabilized polyurethane dispersions that can be used in various applications including adhesives and cosmetics, as they are surfactant and solvent free and have low VOC emissions. As hybrid materials, they provide for a versatile system that can be finely tuned and combine the advantageous properties of polyurethane and peptide materials. Also encompassed are processes for their production including dispersing an NCO-terminated polyurethane prepolymer into a continuous aqueous phase comprising one or more peptides, thereby forming peptide-stabilized polyurethane particles, compositions containing them and their use in cosmetics and adhesives.

Abstract: The invention relates to a method for producing radiation-curable alkenyl ether polyols, to radiation-curable alkenyl ether polyols produced using the method according to the invention, and to the use thereof for the synthesis of radiation-interlinkable oligomers or polymers by means of polyaddition reactions or polycondensation reactions, in particular for the synthesis of radiation-curable polyesters, polyethers, polyurethanes and polyureas, particularly preferably UV-curable polyurethanes. The invention also relates to radiation-curable polyurethane polymers that are obtained by reacting at least one alkenyl ether polyol according to the invention with a polyisocyanate.

Abstract: The present invention relates to oral and dental care and cleaning agents comprising an aqueous dispersion of a phosphate-containing and/or phosphonate-containing polyurethane polymer and anionic surfactant(s), to tooth cleaning methods using these agents, and to the use of oral and dental care and cleaning agents comprising an aqueous dispersion of a phosphate-containing and/or phosphonate-containing polyurethane polymer and anionic surfactant(s) to reduce the restaining of teeth and/or to reduce biofilm development on dental surfaces and/or to reduce the adhesion of bacteria to dental surfaces and/or to extend the antibacterial action of antibacterial substances.