无产阶级文化大革命以来,建筑结构不断革新,构件防水屋面得到迅速的发展和广泛的应用,这就迫切需要解决屋面嵌缝材料。 我所在1974年,开始桐油渣-废橡胶-沥青嵌缝油膏的研究,参加这项科研工作的工人和科研人员,努力学习马列主义和毛泽东思想,贯彻因地制宜,就地取材的原则,对 Since the proletarian cultural revolution, the building structure has been continuously innovated and the waterproof roof of components has been rapidly developed and widely used. This urgently requires the solution of roof caulking materials. In 1974, I started the research of tung oil residue-waste rubber-asphalt caulking ointment, participated in this scientific research work for workers and scientific researchers, worked hard to study Marxism-Leninism and Mao Zedong Thought, implemented the principle of adapting to local conditions and drawing materials locally,