Patent ID: 8273691
Filing Date: 2012-09-25
Classification: B22C,C04B,C09K

Abstract:
1. A process for binding non-consolidated oxidic inorganic materials selected from the group consisting of materials which comprise particles of oxidic inorganic materials, and oxidic inorganic materials which have pores, cracks, fractures or fissures, by contacting the inorganic materials with a curable composition comprising at least one curable, etherified amino resin, followed by thermal curing of the resin, wherein the etherified amino resin is an etherified urea-formaldehyde resin which comprises structural units of the general formula (II) or (I) and (II) where the R1, R2, R3 and R4 radicals are each substituents selected from the group of H, —CH R′ is an aliphatic hydrocarbyl radical having 1 to 10 carbon atoms, x is from 2 to 8, and y is from 1 to 20 with the proviso that at least one of the R1, R2, R3 and R4 radicals is a —CH