| 摘要 |
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 aluminium, tin, boron, germanium, gallium, lead, the transition metals and the lanthanides and actinides, and C) 0 wt. % to 95 wt. %, based on the total weight of the binder, of one or more conventional additives, solvents, pigments and/or fillers, wherein the total of A)+B)+C) equal 100% and wherein the reactive particles of component B are based on the element-oxygen bound network, on the surface of which reactive functions R1 and optionally, non-reactive and/or partially reactive functions R2 and R3 are bound by way of the oxygen of the network, R1 being contained in an amount up to 98 wt. %, based on the weight of the particles, R2 and R3 in an amount from 0 wt. % to 97 wt. %, based on the weight of the particles, in the particle, in which R1 represents radicals of the metal acid; NCO, urethane, epoxide, epoxy, carboxylic acid anhydride, C=C double bond systems, OH, alcohols bound by way of oxygen, chelating agents, COOH, NH2, NHR4, and/or reactive resin components, R2 represents radicals of aromatic compounds, aliphatic compounds, fatty acid derivatives; esters and/or ethers, R3 represents resin radicals and R4 represents radicals of acrylate, phenol, melamine, polyurethane, polyester, polyester imide, polysulfide, epoxide, polyamide, polyvinyl formal resins; aromatic compounds; aliphatic compounds; esters; ethers; alcoholates and/or chelating agents.
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