| 摘要 |
<p>The invention relates to a binder composition and to a heat insulating material based thereon, meant to be used in constructions. According to the invention, the composition consists of an urea-formaldehyde resin or a mixture thereof with a phenol-formaldehyde resin, a curing catalyst consisting of ammonium chloride and hexamethylenetetraamine in a ratio of 5...10:1, at a ratio of 80...100:1 as compared with the resin, and 0.05...0.001% water-soluble copper salt. The material claimed by the invention comprises a mineral component (), a component () consisting of wood wastes and the binder composition (), in a ratio of 50...70:30...50:15...20.</p> |
