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随着全装配壁板和大模板内浇外挂建筑体系施工技术的不断推广,板缝防水材料亟待解决。天津市建筑科学研究所研制成功了以工业废料橡胶粉和化工副产品重油为基料的嵌缝膏,为板缝防水提供了有实用价值的材料。重油—橡胶嵌缝膏的配制是先用重油等材料作软化剂,加入活化剂,并控制一定的温度与反应时间,使橡胶脱硫,改变其分子结
With the continuous promotion of the construction technology of fully-assembled siding and large-formwork in-situ castable construction systems, the board joint waterproof material needs to be solved. Tianjin Institute of Building Science has successfully developed a caulking compound that uses industrial waste rubber powder and chemical by-product heavy oil as the base material, and provides practically valuable materials for waterproofing board seams. The preparation of heavy oil-rubber caulk is to use heavy oil and other materials as softeners, adding activators, and controlling certain temperatures and reaction times to desulfurize rubber and change its molecular weight.