Hardenable reaction resin system

Abstract

A hardenable reaction resin system, in particular a casting compound, laminating resin, or impregnating resin, which is to be processed as a two-component compound and contains a resin component, a mineral filler, and polymer particles dispersed in the resin component. The filler includes nanoparticles.

1 . A hardenable reaction resin system which is to be processed as a two-component compound, comprising: 
 a resin component;    a mineral filler including nanoparticles; and    polymer particles dispersed in the resin component.    
     
     
         2 . The reaction resin system according to  claim 1 , wherein the system is one of a casting compound, a laminating resin, and an impregnating resin.  
     
     
         3 . The reaction resin system according to  claim 1 , wherein the filler contains silica powder.  
     
     
         4 . The reaction resin system according to  claim 1 , wherein the filler contains fused silica powder.  
     
     
         5 . The reaction resin system according to  claim 3 , wherein the filler contains surface-modified nanoparticles.  
     
     
         6 . The reaction resin system according to  claim 3 , wherein the filler has particles of two different grain size distributions, one grain size distribution being in the nanometer range.  
     
     
         7 . The reaction resin system according to  claim 1 , wherein the resin component contains an epoxy resin.  
     
     
         8 . The reaction resin system according to  claim 7 , wherein the epoxy resin is a resin based on one of a bifunctional and a multifunctional epoxide.  
     
     
         9 . The reaction resin system according to  claim 1 , wherein the resin component contains a resin based on at least one of bisphenol A, bisphenol B and bisphenol F.  
     
     
         10 . The reaction resin system according to  claim 1 , wherein the polymer particles dispersed in the resin component are silicone elastomer particles.  
     
     
         11 . The reaction resin system according to  claim 10 , wherein the silicone elastomer particles have a particle diameter of 10 nm to 100 μm.  
     
     
         12 . A method for manufacturing a hardenable reaction resin system, comprising the steps of: 
 in a first step, dispersing nanoparticles in a resin component; and    in a second step, mixing the nanoparticles dispersed in the resin component with polymer particles dispersed in the resin component producing the reaction resin system.    
     
     
         13 . The method according to  claim 12 , wherein the reaction resin system is for impregnating electrical windings.  
     
     
         14 . The method according to  claim 12 , wherein the reaction resin system is for casting diodes and ignition coils.