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目前在防水工程中接缝材料聚氯乙烯胶泥,较被普遍采用。由于胶泥性能稳定,经久变化不大,取材来源较广,配制施工方便,已为冶金、水利等部门在西北、西南、华东等地施工,对屋面坑池渠道防水防渗都取得显著优良效果,受到各方面的重视,我们在某些工程中使用效果也较满意。但对配料中个别材料如能自行配制那就更能易于推广使川。因此,对其中原材料硬脂酸钙,作了试制工作,结果很好,现将配制方法介绍于后。(一)反应机理
At present, in the waterproof project, the joint material of polyvinyl chloride cement is widely used. Due to the stable performance of cement, lasting little change, wider source, convenient preparation and construction, it has been constructed for the metallurgy, water conservancy and other departments in the northwest, southwest, and east China, and has achieved excellent results for waterproof and impervious channels in roof pits. Thanks to the attention given by various parties, we are satisfied with the use of results in certain projects. However, if the individual materials in the ingredients can be prepared by themselves, it can be more easily promoted to make Chuan. Therefore, trial production of the raw material calcium stearate was carried out. The results were very good. The preparation method is now introduced. (a) reaction mechanism