亚洲黄色视频

籃球場工程-油漆施工中常見的病態有哪些以及如何解決

2013-10-25 13:44:04  來源:  字號:【亞洲黃色視頻:  亞洲黃色視頻:  亞洲黃色視頻:】  瀏覽:424

一、油漆剝落

可能(neng)是表(biao)面(mian)(mian)(mian)(mian)過于(yu)光滑的(de)(de)緣故。若原涂(tu)(tu)料是有(you)光漆(qi)或者是粉質(zhi)的(de)(de)(加未經處(chu)理的(de)(de)色漿涂(tu)(tu)料),新上(shang)的(de)(de)油(you)漆(qi)在表(biao)面(mian)(mian)(mian)(mian)就粘不牢(lao)。或可能(neng)是木料腐朽或金屬有(you)銹(xiu)斑,也有(you)因油(you)漆(qi)質(zhi)量不好(hao)而剝落的(de)(de)。小面(mian)(mian)(mian)(mian)積的(de)(de)油(you)漆(qi)剝落,可先用細砂紙(zhi)打磨,然后抹上(shang)膩子,刷上(shang)底漆(qi),再重新上(shang)漆(qi)。大面(mian)(mian)(mian)(mian)積的(de)(de)剝落必須(xu)把漆(qi)全部刮去,重新涂(tu)(tu)刷。


 

二、油漆起泡

首先,將泡(pao)刺破,如有(you)水冒(mao)出,即(ji)說明漆(qi)(qi)(qi)層底下或背(bei)后(hou)有(you)潮氣(qi)滲入(ru),經太(tai)陽(yang)一曬,水分蒸發成蒸氣(qi),就會把漆(qi)(qi)(qi)皮頂(ding)起(qi)成泡(pao)。此時,先用熱(re)風噴槍(qiang)除去起(qi)泡(pao)的油漆(qi)(qi)(qi),讓(rang)木(mu)料(liao)(liao)自然干燥,然后(hou)刷上(shang)底漆(qi)(qi)(qi),最(zui)后(hou)再(zai)在(zai)整個修補面上(shang)重新上(shang)漆(qi)(qi)(qi)。若泡(pao)中無水,就可能(neng)是(shi)木(mu)紋開(kai)裂,內有(you)少(shao)量空(kong)氣(qi),經太(tai)陽(yang)一曬,空(kong)氣(qi)膨脹,漆(qi)(qi)(qi)皮就鼓起(qi)了。面對這(zhe)種(zhong)情況,先刮(gua)掉起(qi)泡(pao)的漆(qi)(qi)(qi)皮,再(zai)用樹脂(zhi)填(tian)料(liao)(liao)填(tian)平裂紋,重新上(shang)漆(qi)(qi)(qi),或不用填(tian)料(liao)(liao),在(zai)刮(gua)去漆(qi)(qi)(qi)皮后(hou),直(zhi)接(jie)涂上(shang)微孔漆(qi)(qi)(qi)。


 

三、出現裂紋

這種(zhong)情況(kuang)多半要用(yong)化(hua)學除漆(qi)(qi)(qi)劑或(huo)熱風噴(pen)槍將漆(qi)(qi)(qi)除去(qu)后(hou),再重(zhong)新上(shang)(shang)漆(qi)(qi)(qi)。若(ruo)斷(duan)裂(lie)范圍不大,這時可用(yong)砂磨(mo)塊或(huo)干濕兩用(yong)砂紙沾水,磨(mo)去(qu)斷(duan)裂(lie)的油(you)漆(qi)(qi)(qi),在表面(mian)打磨(mo)光滑(hua)之后(hou),抹上(shang)(shang)膩子,刷上(shang)(shang)底漆(qi)(qi)(qi),并重(zhong)新上(shang)(shang)漆(qi)(qi)(qi)。


 

四、污斑

油漆(qi)(qi)表面產生污(wu)(wu)斑的原因很多。例如:乳膠(jiao)漆(qi)(qi)中的水(shui)分溶(rong)化(hua)墻上的物質而銹出漆(qi)(qi)面,用鋼絲絨擦(ca)過的墻面會(hui)產生銹斑,墻內(nei)暗管滲漏出現污(wu)(wu)斑等。為防止污(wu)(wu)斑,可先刷(shua)一層(ceng)含(han)鋁(lv)粉(fen)的底漆(qi)(qi),若已出現污(wu)(wu)斑,可先除去污(wu)(wu)斑處乳膠(jiao)漆(qi)(qi),刷(shua)層(ceng)含(han)鋁(lv)粉(fen)的底漆(qi)(qi)后,再重新(xin)上漆(qi)(qi)。


 

五、失去光澤

原因是(shi)未上底漆(qi)(qi)(qi),或底漆(qi)(qi)(qi)及(ji)內層(ceng)漆(qi)(qi)(qi)未干(gan)(gan)就直接上有(you)光漆(qi)(qi)(qi),結果有(you)光漆(qi)(qi)(qi)被木(mu)料吸收而失去光澤(ze)。有(you)光漆(qi)(qi)(qi)的質量不好也是(shi)一個原因。用(yong)干(gan)(gan)濕(shi)兩用(yong)砂(sha)紙把(ba)(ba)舊(jiu)漆(qi)(qi)(qi)磨掉,刷去打(da)磨的灰塵,用(yong)干(gan)(gan)凈(jing)濕(shi)布把(ba)(ba)表面(mian)擦凈(jing),待干(gan)(gan)透后,再重(zhong)新刷上面(mian)漆(qi)(qi)(qi)。要特別注意的是(shi),在(zai)氣溫很(hen)低(di)的環境下涂(tu)漆(qi)(qi)(qi),漆(qi)(qi)(qi)膜干(gan)(gan)后,也可能會失去光澤(ze)。


 

六、漆面毛糙

新(xin)上(shang)(shang)(shang)漆(qi)(qi)(qi)的表(biao)面毛糙,通(tong)常是(shi)所用(yong)(yong)(yong)(yong)的漆(qi)(qi)(qi)刷(shua)不干(gan)凈(jing)(jing)或受周(zhou)圍環境污染之故。也有可能是(shi)油(you)(you)漆(qi)(qi)(qi)中(zhong)混有漆(qi)(qi)(qi)皮,在使用(yong)(yong)(yong)(yong)前(qian)未(wei)(wei)經沉淀和過(guo)濾(lv),或油(you)(you)漆(qi)(qi)(qi)未(wei)(wei)干(gan)時沾上(shang)(shang)(shang)了灰(hui)(hui)塵。為防(fang)止發生上(shang)(shang)(shang)述問題,必須采用(yong)(yong)(yong)(yong)干(gan)凈(jing)(jing)的漆(qi)(qi)(qi)刷(shua)和漆(qi)(qi)(qi)桶。舊漆(qi)(qi)(qi)使用(yong)(yong)(yong)(yong)前(qian),一(yi)定要(yao)用(yong)(yong)(yong)(yong)油(you)(you)漆(qi)(qi)(qi)濾(lv)紙(zhi)或干(gan)凈(jing)(jing)的尼龍絲襪過(guo)濾(lv)。另外,漆(qi)(qi)(qi)好的表(biao)面在油(you)(you)漆(qi)(qi)(qi)未(wei)(wei)干(gan)時要(yao)用(yong)(yong)(yong)(yong)罩子(zi)或硬(ying)紙(zhi)板遮住,以防(fang)沾上(shang)(shang)(shang)灰(hui)(hui)塵。如果漆(qi)(qi)(qi)面毛糙,待其干(gan)透后,用(yong)(yong)(yong)(yong)干(gan)濕兩用(yong)(yong)(yong)(yong)砂紙(zhi)打磨光(guang)滑(hua)、擦凈(jing)(jing)后,再(zai)重新(xin)刷(shua)上(shang)(shang)(shang)油(you)(you)漆(qi)(qi)(qi)。要(yao)特別注意(yi)漆(qi)(qi)(qi)刷(shua)必須是(shi)干(gan)凈(jing)(jing)的。


 

七、油漆不干

室內(nei)通風(feng)不好或溫度太低(di),油漆(qi)就干(gan)得慢。這是(shi)可以(yi)打開所(suo)有門窗(chuang)促進通風(feng),或在室內(nei)放(fang)一個加(jia)(jia)熱器增(zeng)加(jia)(jia)室溫。如仍(reng)未(wei)能解決問題,則可能是(shi)上(shang)漆(qi)的表(biao)面(mian)油膩(ni)。這可用化學除漆(qi)劑或加(jia)(jia)熱法除去油漆(qi),徹底(di)把(ba)表(biao)面(mian)擦干(gan)凈(jing),然后再重新上(shang)漆(qi)。


 

八、漆面粘上小蟲

盡(jin)量趁(chen)油漆未干時把(ba)小(xiao)蟲剔去,然后用刷子沾(zhan)一點(dian)油輕(qing)修(xiu)補一下表面(mian)。要是油漆已開始變(bian)干,則要等漆膜(mo)完全變(bian)硬,再把(ba)小(xiao)蟲擦(ca)掉,這樣做才不會(hui)把(ba)表面(mian)弄得一塌糊(hu)涂

 

 

 

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