| 摘要 |
<p>Viscosity of thermoplastic resins for use as adhesive and water-proofing coatings (prepared from petroleum distillation residues according to Main Patent 734,477) is modified to ease application to supports, either by extrusion or by surface coating, by incorporating one or more solid or liquid aromatic hydrocarbons or their nitrogenated derivatives, pref. (nitro)naphthalene, alkyl or aryl aromatic, optionally nitrogenated, cpds.</p> |
