噴塗水性漆時的注意事項
噴塗水性漆時的注意事項
家居塗裝中,進行水性漆施工,在高溫氣候下有時會產生一些異常問題:如漆膜起皺,漆膜附著力差,漆膜開裂,漆層發白等,影響施工進度及裝飾效果。 這就要求施工人員在施工前對產品的施工程序、施工要求有明確的了解,並具有熟練的施工技能,確保高溫天氣下的最佳裝飾效果。下麵就對這種高溫天氣下的異常情況作分析:
一、漆層發白 zhuyaoshishigonghuanjingshidutaida,shigongguochengzhongtumotaihoudengyuanyinzaochengde。yinweixiajiqiwengao,bufendiqukongqishidujiaoda。qicengdebiaoganshijiansuizheqiwendeshenggaoerjiakuai,danshishiganshijianquejiaoweihuanman;塗(tu)刷(shua)工(gong)在(zai)施(shi)工(gong)過(guo)程(cheng)中(zhong),可(ke)能(neng)忽(hu)略(lve)了(le)實(shi)幹(gan)時(shi)間(jian),而(er)在(zai)漆(qi)層(ceng)表(biao)幹(gan)之(zhi)後(hou),就(jiu)立(li)刻(ke)上(shang)另(ling)一(yi)道(dao)漆(qi)。導(dao)致(zhi)底(di)部(bu)漆(qi)層(ceng)未(wei)完(wan)全(quan)實(shi)幹(gan)。在(zai)下(xia)雨(yu)天(tian)或(huo)者(zhe)濕(shi)度(du)大(da)的(de)天(tian)氣(qi),容(rong)易(yi)產(chan)生(sheng)漆(qi)層(ceng)發(fa)白(bai)的(de)現(xian)象(xiang)。
二、漆膜附著力差 夏(xia)季(ji)氣(qi)溫(wen)高(gao),部(bu)分(fen)地(di)區(qu)空(kong)氣(qi)中(zhong)濕(shi)度(du)又(you)大(da)。一(yi)般(ban)的(de)水(shui)性(xing)漆(qi)施(shi)工(gong)後(hou),會(hui)發(fa)現(xian)塗(tu)層(ceng)層(ceng)間(jian)粘(zhan)接(jie)不(bu)牢(lao),產(chan)生(sheng)附(fu)著(zhe)不(bu)良(liang)現(xian)象(xiang),出(chu)現(xian)層(ceng)與(yu)層(ceng)之(zhi)間(jian)相(xiang)互(hu)剝(bo)離(li),甚(shen)至(zhi)可(ke)以(yi)像(xiang)撕(si)皮(pi)一(yi)樣(yang)整(zheng)片(pian)撕(si)下(xia)。造(zao)成(cheng)漆(qi)膜(mo)層(ceng)間(jian)附(fu)著(zhe)力(li)不(bu)良(liang)的(de)直(zhi)接(jie)原(yuan)因(yin)是(shi)塗(tu)刷(shua)工(gong)施(shi)工(gong)時(shi),層(ceng)間(jian)沒(mei)有(you)打(da)磨(mo)所(suo)致(zhi)。 youyutushuagongweiganshijian,zaixiayidaogongxushi,weijingdamo,ershizhijietushuayushangyidaoqimoshang,jiashangqiwengao,shiqimoyuganqimojiemianxingchenglaogucengsuoxushijianbuzu,shifuzhelishouyingxiang。yinci,yaoqiushigongrenyuanzaigaowentianqishigongshi,meicengjianyaojinxingchongfendamo,zengjinfuzheli,tongshishigonganpaizaizaowanweiyi,quebaochanpindeneizaizhiliangdeyitixian。
三、漆膜起皺 一(yi)些(xie)施(shi)工(gong)人(ren)員(yuan)在(zai)使(shi)用(yong)水(shui)性(xing)漆(qi)進(jin)行(xing)平(ping)塗(tu)時(shi),采(cai)取(qu)一(yi)次(ci)性(xing)厚(hou)塗(tu)方(fang)式(shi),結(jie)果(guo)豐(feng)滿(man)度(du)是(shi)極(ji)好(hao),但(dan)漆(qi)膜(mo)表(biao)麵(mian)出(chu)現(xian)起(qi)皺(zhou)現(xian)象(xiang)。產(chan)生(sheng)問(wen)題(ti)的(de)原(yuan)因(yin)是(shi)厚(hou)塗(tu)的(de)水(shui)性(xing)漆(qi)漆(qi)膜(mo)在(zai)高(gao)溫(wen)下(xia),漆(qi)膜(mo)表(biao)層(ceng)迅(xun)速(su)幹(gan)燥(zao)成(cheng)膜(mo)而(er)厚(hou)厚(hou)的(de)內(nei)層(ceng)卻(que)幹(gan)燥(zao)緩(huan)慢(man),在(zai)幹(gan)燥(zao)過(guo)程(cheng)中(zhong)漆(qi)的(de)流(liu)動(dong)產(chan)生(sheng)張(zhang)力(li)差(cha),導(dao)致(zhi)最(zui)終(zhong)成(cheng)膜(mo)表(biao)麵(mian)不(bu)平(ping),即(ji)起(qi)皺(zhou)。 因此施工時,不要一次厚塗,特別不要以直接傾倒的方法,仍應采取薄塗,保證塗層均勻幹燥成膜,達到漆膜平整效果。
四、漆膜開裂 這zhe個ge現xian象xiang也ye是shi夏xia天tian施shi工gong中zhong較jiao為wei常chang見jian的de。由you於yu在zai施shi工gong的de過guo程cheng中zhong,漆qi層ceng塗tu膜mo太tai厚hou,導dao致zhi表biao層ceng幹gan燥zao成cheng膜mo速su度du快kuai,而er厚hou厚hou的de內nei層ceng卻que幹gan燥zao緩huan慢man,直zhi接jie造zao成cheng了le底di漆qi開kai裂lie等deng現xian象xiang。同tong時shi,也ye要yao注zhu意yi材cai料liao的de質zhi量liang問wen題ti,建jian議yi選xuan購gou穩wen定ding性xing好hao的de材cai料liao。
總之,在夏天使用水性漆進jin行xing裝zhuang修xiu的de過guo程cheng,要yao重zhong點dian把ba握wo施shi工gong過guo程cheng中zhong漆qi膜mo的de厚hou度du,建jian議yi采cai用yong薄bo塗tu多duo次ci,另ling外wai,要yao掌zhang握wo好hao施shi工gong的de間jian歇xie時shi間jian,一yi定ding要yao在zai漆qi層ceng實shi幹gan的de情qing況kuang下xia,再zai進jin行xing下xia一yi道dao工gong序xu施shi工gong。確que保bao水shui性xing漆qi的de施shi工gong質zhi量liang。