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我公司1988年承建的一栋办公楼,墙裙面层为绿色酚醛油漆,基层为1:2.5水泥砂浆,在基层未作处理的情况下,立即进行油漆面层的涂刷,现在反潮、变色、发粘现象十分严重。请问应采取什么措施呢?(湖南读者邹海龙)水泥砂浆基层呈碱性,基层没干透、含水大时,由水分挥发析出的水呈碱性而皂化饰面涂层,引起涂层发粘、变白、剥离等现象出现,再
An office building built by our company in 1988, with a green phenolic paint for the wall skirting and a 1:2.5 cement mortar for the grass-roots level. In the case of no treatment at the grass-roots level, the painting of the paint surface was immediately carried out. Now it is damp and discolored. Sticky phenomenon is very serious. What measures should be taken? (Hunan Reader Zou Hailong) The base layer of cement mortar is alkaline, and when the base layer is not dried and the water content is large, the water precipitated by water evaporation is alkaline, and the varnish is saponified to cause the coating to stick. , whitening, peeling, etc.