Research On Performances Of Exterior Wall Coating Adapt To Climate In Chongqing

At first, this paper' author makes a careful investigation into the decorate material market and a large of new and old buildings in chongqing. Thus, it comes to a conclusion "exterior wall coating is limit applied in chongqing." From investigation results find that chongqing' buildings and constructs almost apply ceramic tile, granite, glass wall curtain etc material to exterior wall from 1997 to now. None but few template buildings' partial projects (for example longhu park, jinxiu hill manor) apply exterior wall coating to exterior wall. Further more, author knows exterior wall coating can't a great deal popularize and apply because of acid rain, suspend grain, humidity. etc primary environment factors.Base on "exterior wall coating is very limit applied in chongqing." and environment quality exists primary questions, author classify them by basic ingredient.It is include pure acrylic acid exterior wall coating, organized silicon alterable property acrylic acid exterior wall coating, and fluorine resin exterior wall coating etc three types. This paper contrasts and analyzes properties excellent or inferior of theirs by tests and researches. More, it can select good performance exterior wall coatings.For settle a great deal popularize and apply exterior wall coating, this paper study on acid rain-resistant, pollute-resistant, false accelerated aging- resistant of them. Therein to, acid rain-resistant test is acid rain simulate test by environment quality data in chongqing. PH value is partly 0.690,0.610,0.613,0.453. Due to test condition and financial ability, aging-resistant test carry out an experiment on three exterior wall coating. Further, it also study their' alkali essence-resistant, water-resistant, temperature variety-resistant etc secondary technique guide lines. So as to satisfy demand of exterior wall coating in chongqing. For beautify city safeguard city, it can contribute to chongqing'new visualization.