A chemi FOR OBTAINING BITUMINOUS ADHESIVES applicable to asphalting CALZADAS

摘要

A chemical process for preparing bituminous adhesives applicable to asphalt characterized roadways because starting from a creosote heavy eg residual tar oil preferably after separating the carbonic acid and naphthalenes and in some cases also the anthracites whose oil is practically stable 177º C. blended with resin or vegetable gum eg pine gum or copal normally prepared with a melting point above 121 ° C. the fusion