Warp resistant laminates having a core impregnated with a mixture of phenolix resin and alkyl substituted phenol

摘要

An impregnating composition for warp free laminates, is made from the diluted reaction mixture of: a phenolic component selected from at least one of phenol, resol, xylenol, resorcinol, naphthol; alkyl substituted phenol, where alkyl contains from 4 to 13 carbon atoms; and aldehyde.