Abstract: A photo-curable composition for use in additive manufacturing, said composition comprising: a) at least one photocurable monomer or oligomer; b) a photoinitiator for polymerization of the monomer; and, from 0.01 to 1 wt. %, based on the weight of the composition, of c) CNS-derived materials. Following polymerization, the resulting polymerized composition has a volume resistivity no greater than 105 ohm·cm.

Abstract: The invention relates to a method for welding a polyamide plastic and a poly(meth)acrylate—particularly a polymethyl methacrylate—plastic using a primer, said primer containing at least one copolymer synthesised from at least one styrene or styrene derivative and at least one maleic anhydride or maleic anhydride derivative. The invention also relates to correspondingly welded products.

Abstract: The present invention relates to a method for welding two polyamide plastics using a primer, the primer containing at least one polymer synthesized from at least one maleic anhydride or maleic anhydride derivative. The invention also relates to correspondingly welded products.

Abstract: Disclosed is a method for welding a polyolefin plastic and a plastic based on at least one polymer containing carbonyl groups, using a primer which contains, in relation to the proportion of polymer, at least 20 wt. % of a polymer that comprises maleic anhydride or maleic anhydride derivative units. Also disclosed are correspondingly welded products.

Abstract: The invention relates to a method for welding a polyolefin plastic and a plastic using a primer, said primer containing at least one maleic anhydride containing polymer and at least one polyester. The invention also relates to correspondingly bonded products.

Abstract: The present invention relates to a catalyst composition for curing epoxy group containing compounds comprising a base and a quaternary ammonium salt, of Formula (I): with R1, R2, R3, R4, R5, Y, A and X being as defined herein. Also encompassed are adhesive compositions containing said catalyst composition and the use of the catalyst composition.

Abstract: The invention relates to a method for the integral bonding of two workpieces made from different types of thermoplastic polymers with the help of a preferably thermoplastic polymer primer as bonding layer, comprising the following steps: providing a first workpiece made from a thermoplastic polymer having a first edge layer; providing a second workpiece made from a thermoplastic polymer having a second edge layer, said thermoplastic polymer being of a different type to the thermoplastic polymer of the first workpiece; preheating the first edge layer; applying the primer on the preheated first edge layer, wherein, during the application of the primer, the preheated first edge layer has a temperature in the range between the extrapolated onset of the glass transition temperature for amorphous plastics or the peak starting temperature of the melting region for partially crystalline plastics and the step starting temperature of the disintegration of the thermoplastic polymer of the first edge layer; bringing the

Abstract: The invention relates to a method for bonding two different plastics using a primer. The two plastics which are to be joined to each other have a weighted quadratic distance between the Hansen parameter (Ra)2 of more 22 MPa and the primer contains a polymer which has a weighted quadratic distance between the Hansen parameter (Ra)2 of less than 22 MPa to both of the plastics which are to be joined. The invention also relates to correspondingly bonded products.

Abstract: The invention relates to a method for welding two different polyolefin plastics using a primer, said primer containing at least one maleic anhydride graft polyolefin polymer. The invention also relates to correspondingly welded products.

Abstract: The invention relates to a method for welding a polyolefin plastic and a plastic consisting of a polymer with at least one aromatic unit in the polymer main chain, using a primer which contains at least one polymer built from at least one monomer with at least one double bond. The invention also relates to correspondingly welded products.

Abstract: The present invention relates to a method for welding two polyamide plastics using a primer, the primer containing at least one polymer synthesized from at least one maleic anhydride or maleic anhydride derivative. The invention also relates to correspondingly welded products.

Abstract: The invention relates to a method for welding a polyamide plastic and a poly(meth)acrylate—particularly a polymethyl methacrylate—plastic using a primer, said primer containing at least one copolymer synthesised from at least one styrene or styrene derivative and at least one maleic anhydride or maleic anhydride derivative. The invention also relates to correspondingly welded products.

Abstract: The invention relates to a method for welding a polyolefin plastic and a plastic based on at least one polymer containing carbonyl groups, using a primer which contains, in relation to the proportion of polymer in said primer, at least 20 wt. % of a polymer that comprises maleic anhydride or maleic anhydride derivative units. The invention also relates to correspondingly welded products.

Abstract: The present invention relates to a catalyst composition for curing epoxy group containing compounds comprising a base and a quaternary ammonium salt, of Formula (I): with R1, R2, R3, R4, R5, Y, A and X being as defined herein. Also encompassed are adhesive compositions containing said catalyst composition and the use of the catalyst composition.

Abstract: The present invention relates to a method for forming a welded bond between polymer surfaces, comprising (i) applying a welding promoter composition to a to-be-welded area of one or both polymer surface(s), wherein the welding promoter composition comprises particles with a particle size range of 0.1 to 1000 ?m, the particles being made of a material that is inert towards a chemical reaction with the first and/or second polymer surface; (ii) applying energy to the to-be-welded area of the first polymer surface, the second polymer surface or both, the energy being sufficient to melt at least a portion of the polymer in the to-be-welded area of the polymer surface, and contacting the to-be-welded areas of the polymer surfaces; and (iii) allowing the molten polymer in the to-be-welded area to solidify so that a welded bond is formed between the polymer surfaces. The invention further relates to the thus produced articles and the use of the described compositions as welding promoters.

Abstract: The present invention relates to heat-curable compositions containing a mixture of reactive epoxy resins that contains, based on the mass of all epoxy resins, a) at least 10 wt % of an epoxy group-containing reaction product of epichlorohydrin with polypropylene glycol which has an epoxy equivalent weight of at least 250 g/eq, and b) at least 10 wt % of an epoxy group-containing reaction product of epichlorohydrin with a novolac resin which has an epoxy equivalent weight of at least 175 g/eq, and at least one latent hardener.

Abstract: The subject matter of the present Application is two-component compositions whose first component is a mixture of reactive epoxy resins and optionally further formulation constituents which contains, based on the mass of all epoxy resins, a) at least 10 wt % of an epoxy group-containing reaction product of epichlorohydrin with polypropylene glycol which has an epoxy equivalent weight of at least 250 g/eq, and b) at least 10 wt % of an epoxy group-containing reaction product of epichlorohydrin with a novolac resin which has an epoxy equivalent weight of at least 175 g/eq, and whose second component contains at least one thiol group-containing hardener for epoxy resins.

Abstract: The present application is directed to use of a thioether compound, obtainable from a first educt that comprises at least two thiol groups and from a second educt that comprises at least one ?,?-unsaturated amide group as well as at least one tertiary amine group, for the hardening of reactive resins.

Abstract: A resin component for a one- or two-component adhesive, a matrix resin, or a structural foam, comprising: C1) at least one epoxy resin, having an average of more than one epoxy group per molecule, that does not correspond to the definition of component C2); C2) at least one oligomeric or polymeric urethane-group-free polyether compound. A one- or two-component epoxy adhesive, structural foam, or matrix material for composites, comprising the aforesaid resin components.

Abstract: A resin component for a one- or two-component adhesive, a matrix resin, or a structural foam, comprising: C1) at least one epoxy resin, having an average of more than one epoxy group per molecule, that does not correspond to the definition of component C2); C2) at least one oligomeric or polymeric urethane-group-free polyether compound. A one- or two-component epoxy adhesive, structural foam, or matrix material for composites, comprising the aforesaid resin components.