Abstract: The present invention refers to a UV LED curable hotmelt pressure sensitive adhesive composition, a method for its production as well as an article comprising a first substrate and a second substrate adhered to each other with the adhesive composition according to the invention.

Abstract: The present application provides a process for the preparation of ?-methylene-?-butyrolactone, said process comprising the steps of: a) acetylating the C1-hydroxyl group of isoprenol to yield isoprenyl acetate; b) forming 4-acetoxy-2-methylene-butan-1-ol from said isoprenyl acetate by whole cell biotransformation, said step comprising: i) contacting a cell (CB) with a culture medium containing said isoprenyl acetate or with a culture medium contiguous with an organic phase containing said isoprenyl acetate under conditions that enable the cell to form 4-acetoxy-2-methylene-butan-1-ol from isoprenyl acetate; and, ii) optionally isolating the resultant 4-acetoxy-2-methylene-butan-1-ol, wherein said cell (CB) exhibits activity of at least one alkane monooxygenase enzyme which catalyzes the formation of 4-acetoxy-2-methylene-butan-1-ol from isoprenyl acetate; c) oxidizing said 4-acetoxy-2-methylene-butan-1-ol to yield 4-acetoxy-2-methylene butyric acid; and, d) converting said 4-acetoxy-2-methylene butyric

Abstract: The invention relates to a peptide as described herein. The invention further relates to a peptide or polypeptide which comprises at least two of the peptides according to the invention, to a nucleic acid sequence encoding the peptide according to the invention, to a means comprising at least one peptide according to the invention and to the use of peptides of this kind for adhesion to plastic surfaces.

Abstract: The present application is directed to a polythiol compound having the general Formula VI, wherein: m is an integer of from 4 to 600; n is an integer of from 4 to 400; R1 is a C1-C18 alkylene group, C2-C18 oxyalkylene group, C2-C18 thioalkylene group, C6-C18 arylene or C7-C18 aralkylene group; and, R2 is H or methyl.

Abstract: The present application is directed to a polythiol compound obtainable from at least one of serine (Ser) and tyrosine (Tyr) and having the general Formula VIA, VIB or VIC, wherein: R1 is a C1-C18 alkylene group, C2-C18 oxyalkylene group, C2-C18 thioalkylene group, C6-C18 arylene or C7-C18 aralkylene group; and, R2 is H or methyl.

Abstract: The present application is directed to a polythiol compound obtainable independently from a) eugenol, b) gallic acid, c) the adduct of guaiacol and vanillin or d) resveratrol and, respectively, having the general Formula VIA, VIB, VIC or VID, wherein: R1 is a C1-C18 alkylene group, C2-C18 oxyalkylene group, C2-C18 thioalkylene group, C6-C18 arylene or C7-C18 aralkylene group; and R2 is H or methyl.

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 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.