A composite comprised of carbon black and melamine derivative, wherein said melamine derivative is selected from at least one of hexamethoxymethylmelamine, tetramethoxymethylmelamine, pentamethoxymethylmelamine, hexaethoxymethylmelamine, and dimers thereof;
- and hexakis (methoxymethyl) melamine, N,N′,N″-trimethyl-N,N′,N″-trimethylolmelamine, hexamethylolmelamine, N,N′,N″-trimethylolmelamine, N-methylolmelamine, N,N′-dimethylolmelamine, N,N′,N″-triethyl-N,N′,N″-tris(methoxymethyl) melamine and N,N′,N″-tributyl-N,N′,N″-trimethylolmelamine and their mixtures.