Abstract: This invention relates to a crosslinking component for binder resins which is especially suitable to be used together with epoxy-group containing binders and/or (poly)isocyanates such as blocked (poly)isocyanates and which comprises at least two blocked isocyanate groups per molecule of the crosslinking component whereby at least one of the at least two blocked isocyanate groups is a group according to structural unit (I), wherein the ratio of structural units of formula (II), if present, to structural units of formula (I) is 0.40 or below. The cross-linking component may also be self-cross-linkable. The present invention further relates to a coating composition, e.g. a one-component coating composition comprising the crosslinking component and a method of its manufacture.

Abstract: A composition for fixing wound items is provided. In one example, the composition comprises 5 to 97 wt % of at least one ?,?-unsaturated polyester resin and/or ?,?-unsaturated polyester imide resin comprising components of at least one ?,?-ethylenically unsaturated mono-, di- and/or tricarboxylic acid, and/or its anhydride and/or ester, at least one polyol, at least one (meth)acrylic group containing component, possibly at least one mono-, di-, tri- and/or tetracarboxylic acid, which is not ?,?-ethylenically unsaturated, and/or its anhydride and/or ester.

Abstract: A coating process for electrical steel sheets using a varnish composition includes: a) applying a varnish composition coating layer onto the surface of an electrical steel sheet. The varnish composition comprises (A) about 1 to about 95 wt % of a resin comprising nucleophilic groups chosen from OH, NHR, SH, carboxylate and CH-acidic groups, and electrophilic groups which can react with the nucleophilic groups, wherein the resin is capable of transacylation in its main chain and/or side chain(s), (B) about 5 to about 75 wt % of an organic solvent and/or water, (C) 0 to about 40 wt % of a resin different from (A), (D) 0 to about 10 wt % of a customary additive, (E) 0 to about 40 wt % of a pigment, filler and/or nano-scaled particle and/or monomeric and/or polymeric element-organic compound, wherein the wt % is based on the total weight of the varnish composition; b) curing the applied coating layer.

Abstract: A composition for fixing wound items is provided. In one example, the composition comprises 5 to 97 wt % of at least one ?,?-unsaturated polyester resin and/or ?,?-unsaturated polyester imide resin comprising components of at least one ?,?-ethylenically unsaturated mono-, di- and/or tricarboxylic acid, and/or its anhydride and/or ester, at least one polyol, at least one (meth)acrylic group containing component, possibly at least one mono-, di-, tri- and/or tetracarboxylic acid, which is not ?,?-ethylenically unsaturated, and/or its anhydride and/or ester.

Abstract: A selfbonding enamel containing resins which are capable of crosslinking with one another, comprising (A) 5 to 95 wt % of at least one resin with nucleophilic groups selected from the group consisting of OH, NHR, SH, C(O)NHR, carboxylate, CH-acidic groups and Carbanions, (B) 0 to 70 wt % of at least one amide group-containing resin and (C) 0 to 30 wt % of at least one polyurethane resin, (D) 0 to 30 wt % of at least one epoxy resin, (E) 5 to 95 wt % of at least one organic solvent, wherein the resins of either component (A) and/or, if component (B) is contained in the composition, component (B) contain ?-carboxy-?-oxocycloalkyl carboxylic acid amide groups the coatings of the selfbonding enamel have excellent adhesion to electrically conductive wires high sticking properties and high re-softening temperatures.

Abstract: The invention provides a coating process for electrical steel sheet using a varnish composition, comprising the steps of a) applying at least one coating layer of a varnish composition onto the surface of the electrical steel sheet wherein the varnish composition comprises (A) 1 to 95 wt % of at least one resin comprising nucleophilic groups selected from the group consisting of OH, NHR, SH, carboxylate and CH-acidic groups, and electrophilic groups which can react with the above mentioned nucleophilic groups, wherein the resin is capable of transacylation in its main chain and/or side chain(s), (B) 5 to 75 wt % of at least one organic solvent and/or water, (C) 0 to 40 wt % of at least one resin different from (A), (D) 0 to 10 wt % of at least one customary additive, (E) 0 to 40 wt % of at least one pigment, filler and/or nano-scaled particle and/or monomeric and/or polymeric element-organic compound, wherein the wt % based on the total weight of the varnish composition.

Abstract: The invention relates to a coating composition for coating electrically conductive wires. The coating composition comprising 0.1 to 60 wt % of reactive particles, based on an element-oxygen network and further having reactive functional groups chemically bound to the surface of the element-oxygen network. At least one of the reactive functional groups is an isocyanate group that is bound to the reactive particle via a carbamate group. The coating composition can further contain one or more conventional binders and other additives.

Abstract: The invention provides a composition for fixing wound items comprising at least one ?,?-unsaturated polyester, and at least two different monomeric or oligomeric ethylenically unsaturated components. The composition of the present invention provides a composition having low curing emissions, low viscosities and excellent impregnation properties. After curing, these impregnation materials show high mechanical toughness levels even at elevated temperatures.

Abstract: A composition for fixing wound items having excellent thermal transfer properties and a high level of electrical insulating properties under humid conditions comprising: A) 5 to 80 wt % of at least one polyolefin-containing unsaturated polyester resin, B) 0 to 60 wt % of at least one unsaturated polyester resin different from A), C) 5 to 70 wt % of at least one reactive diluent, D) 0.01 to 15 wt % of customary additives, and E) 0.1 to 20 wt % of at least one free radical initiator, the wt % being based on the total weight of the composition.

Abstract: A composition for fixing wound items comprising A) 0 to 90 wt % of at least one ?, ?-unsaturated polyester and/or polyester imide resin based on at least one unsaturated mono-, di- or tricarboxylic acids and/or mono-, di- or tricarboxylic acid group containing molecules, at least one polyol and/or, in case of an unsaturated polyester imide, at least one imide having 5-membered cyclic imide moieties, B) 0.1 to 80 wt % of at least one inorganic and/or organic-inorganic hybrid component having functionalities to react with component A) and C), C) 2 to 80 wt % of at least one monomeric and/or oligomeric unsaturated component to react with component A) and B), and D) 0 to 15 wt % of customary additives, the wt % being based on the total weight of the composition. The composition provides excellent thermal transfer properties and a high level of electrical insulation properties with excellent adhesion and thermal stability.

Abstract: A process for fixing wound items having wire windings of electrical equipment with an impregnating composition comprising the steps of a) impregnating said wound items by applying the composition comprising (A) 5 to 95 wt %, preferably 5 to 60 wt %, of at least one resin with nucleophilic groups selected from the group consisting of OH, NHR, SH, carboxylate and CH-acidic groups, (B) 0 to 70 wt %, preferably 1 to 50 wt %, of at least one amide group-containing resin, and (C) 0 to 95 wt %, optionally 0.1 to 40 wt %, of at least one organic solvent and/or water, wherein the resins of component (A) and/or component (B) contain ?-carboxy-?-oxocycloalkyl carboxylic acid amide groups, the wt % based on the total weight of the coating composition, and b) curing the applied impregnating composition. The process according to the invention provides excellent adhesive properties to the wound items as well as an excellent shrinkage and penetration.

Abstract: The invention provides a coating composition to coat electrical steel sheets, the composition comprising: A) 5 to 45 weight % of at least one binder resin, B) 0.1 to 40, preferably 1 to 30 weight % of nano scaled particles, the particles having an average radius ranging from 1 to 300 nm, C) at least one cross-linking agent in an amount able to cross-link with the binder resin, preferably 0.1 to 30 weight % of at least one cross-linking agent, D) 0.1 to 60 weight % of at least one additive and/or pigment and/or filler, and E) 5 to 70 weight % of water and/or at least one solvent, the weight % based on the total weight of the composition.

Abstract: A selfbonding enamel containing resins which are capable of crosslinking with one another, comprising (A) 5 to 95 wt % of at least one resin with nucleophilic groups selected from the group consisting of OH, NHR, SH, C(O)NHR, carboxylate, CH-acidic groups and Carbanions, (B) 0 to 70 wt % of at least one amide group-containing resin and (C) 0 to 30 wt % of at least one polyurethane resin, (D) 0 to 30 wt % of at least one epoxy resin, (E) 5 to 95 wt % of at least one organic solvent, wherein the resins of either component (A) and/or, if component (B) is contained in the composition, component (B) contain ?-carboxy-?-oxocycloalkyl carboxylic acid amide groups the coatings of the selfbonding enamel have excellent adhesion to electrically conductive wires high sticking properties and high re-softening temperatures.

Abstract: A self-bonding coating composition for the production of electrical steel sheets cores comprising A) 100 parts per weight of at least one epoxy resin based on bisphenol-A-type and/or bisphenol-F-type, 100% of solids, B) 0.1 to 200 parts per weight of nano particles having an average radius ranging from 2 to 600 nm, C) 0 to 25 parts per weight of at least one curing agent selected from the group consisting of dicyandiamide, blocked isocyanate and Lewis acid or selected from the group consisting of phenolic resin, carboxylic acid, anhydride and Lewis acid, 100% of solids, D) 0.1 to 10 parts per weight of at least one additive, and E) 50 to 200 parts per weight of water or at least one organic solvent, ensuring increased re-softening temperatures as well as excellent bonding strength, corrosion resistance and electrical insulation of the coating.

Abstract: Wire-coating composition containing resins with nucleophilic groups as well as possibly amide group-containing resins which are capable of crosslinking with one another, comprising (A) 5 to 95% by weight of at least one resin with nucleophilic groups selected from the group consisting of OH, NHR, SH, carboxylate and CH-acidic groups, (B) 0 to 70% by weight of at least one amide group-containing resin and (C) 5 to 95% by weight of at least one organic solvent, wherein the resins of either component (A) or component (B) contain ?-carboxy-?-oxocycloalkyl carboxylic acid amide groups and the percent by weight of (A)-(C) adds up to 100 percent. The wire-coating compositions according to the invention allow a significant increase in the enamelling speed without losing the positive properties of standard wire enamels.

Abstract: An electrically conductive wire coated with a curable coating composition that forms a cured coating having a high partial discharge resitance and good mechanical properties. A process for coating an electrically conductive wire with a curable coating composition and curing the coating composition to form a coating having high partial discharge resistance and good mechanical properties.

Abstract: A coating composition useful as an electrical insulation layer for metal conductors, particularly wires, that has improved de-coating properties for the partial de-coating of coated conductor by the use of laser irradiation; the coating composition comprises A) 1 wt. % to 90 wt. %, based on the total weight of the binder, of one or more binders, B) 0.3 wt. % to 25 wt. %, based on the total weight of the binder, of one or more reactive particles based on an element-oxygen bound network with elements from the series of aluminum, tin, boron, germanium, gallium, lead, silicon, zinc, the transition metals and the lanthanides and actinides, and C) 0 wt. % to 95 wt.

Abstract: A coating composition useful as an electrical insulation layer for metal conductors, particularly wires, that has improved de-coating properties for the partial de-coating of coated conductor by the use of laser irradiation; the coating composition comprises

Abstract: A coating composition useful as an electrical insulation layer for metal conductors, particularly wires, that has improved de-coating properties for the partial de-coating of coated conductor by the use of laser irradiation; the coating composition comprises