一、水性涂料是什么
水(shui)(shui)性(xing)(xing)(xing)油漆就是(shi)以(yi)(yi)水(shui)(shui)稀(xi)(xi)(xi)釋(shi)劑(ji)(ji)、不(bu)含有(you)機溶劑(ji)(ji)的(de)(de)涂(tu)(tu)(tu)(tu)料(liao)(liao)(liao)(liao),凡是(shi)用水(shui)(shui)作(zuo)溶劑(ji)(ji)或者(zhe)作(zuo)分散介質的(de)(de)涂(tu)(tu)(tu)(tu)料(liao)(liao)(liao)(liao),都(dou)可稱為(wei)水(shui)(shui)性(xing)(xing)(xing)涂(tu)(tu)(tu)(tu)料(liao)(liao)(liao)(liao)。水(shui)(shui)性(xing)(xing)(xing)涂(tu)(tu)(tu)(tu)料(liao)(liao)(liao)(liao)包括水(shui)(shui)溶性(xing)(xing)(xing)涂(tu)(tu)(tu)(tu)料(liao)(liao)(liao)(liao)、水(shui)(shui)稀(xi)(xi)(xi)釋(shi)性(xing)(xing)(xing)涂(tu)(tu)(tu)(tu)料(liao)(liao)(liao)(liao)、水(shui)(shui)分散性(xing)(xing)(xing)涂(tu)(tu)(tu)(tu)料(liao)(liao)(liao)(liao)(乳(ru)膠涂(tu)(tu)(tu)(tu)料(liao)(liao)(liao)(liao))3種(zhong)。水(shui)(shui)性(xing)(xing)(xing)涂(tu)(tu)(tu)(tu)料(liao)(liao)(liao)(liao)有(you)很多優點,比如無毒并且無刺(ci)激氣(qi)味,因為(wei)它(ta)只以(yi)(yi)清水(shui)(shui)作(zuo)為(wei)稀(xi)(xi)(xi)釋(shi)劑(ji)(ji),對人(ren)體(ti)健康無害,同(tong)時也(ye)(ye)不(bu)污(wu)染環境(jing)。因為(wei)水(shui)(shui)性(xing)(xing)(xing)涂(tu)(tu)(tu)(tu)料(liao)(liao)(liao)(liao)不(bu)含有(you)害物質所以(yi)(yi)不(bu)會向空氣(qi)中(zhong)揮發,因此也(ye)(ye)就沒有(you)了(le)易變(bian)黃等缺陷,更可以(yi)(yi)以(yi)(yi)保持涂(tu)(tu)(tu)(tu)料(liao)(liao)(liao)(liao)顏色(se)的(de)(de)歷久(jiu)彌新。它(ta)的(de)(de)儲存(cun)也(ye)(ye)很方便,不(bu)易燃,所以(yi)(yi)不(bu)像油性(xing)(xing)(xing)漆一樣(yang)需要單獨儲存(cun)。它(ta)的(de)(de)粉刷(shua)也(ye)(ye)非(fei)常容易,用刷(shua)子(zi)沾(zhan)取水(shui)(shui)性(xing)(xing)(xing)涂(tu)(tu)(tu)(tu)料(liao)(liao)(liao)(liao)涂(tu)(tu)(tu)(tu)料(liao)(liao)(liao)(liao)均勻涂(tu)(tu)(tu)(tu)抹在墻(qiang)壁上的(de)(de)話,不(bu)會發生起鼓(gu)現象,非(fei)常適用家庭個人(ren)使用。
二、水性涂料有哪些種類
1、水溶性涂(tu)料(liao):這類的(de)水性涂(tu)料(liao)含有水容性樹脂(zhi)等其也類型的(de)樹脂(zhi)原料(liao),在涂(tu)刷到墻面(mian)后那(nei)些樹脂(zhi)可以(yi)形成膜層(ceng)保護墻壁。水性漆的(de)出(chu)現被業界稱為“第三次涂(tu)料(liao)革命”就是因(yin)為它無敵(di)的(de)環保性能。
2、水稀(xi)釋性涂料(liao):主要含有乳(ru)化乳(ru)液,以(yi)此(ci)來溶解(jie)樹脂,在(zai)施工(gong)時就直(zhi)接加水來稀(xi)釋以(yi)達(da)到施工(gong)的效果。
3、水(shui)分散性涂料:主(zhu)(zhu)要的原(yuan)理是(shi)以合成的樹脂為(wei)主(zhu)(zhu)形成乳液,也就是(shi)乳膠涂料。
三、水性涂料與溶劑型涂料的區別
1、環保性
水性(xing)(xing)涂料(liao)與溶(rong)劑(ji)型涂料(liao)相(xiang)比,一個溶(rong)劑(ji)是水,一個溶(rong)劑(ji)是有機物(wu),可(ke)想而知水性(xing)(xing)涂料(liao)的(de)環保性(xing)(xing)能更佳,可(ke)以達(da)到零甲醛揮發(fa),而溶(rong)劑(ji)型涂料(liao)在(zai)施工過(guo)程(cheng)中會造成有機物(wu)揮發(fa),嚴重危害(hai)環境和人們的(de)健(jian)康。由此國家大力提倡環保事業,水性(xing)(xing)涂料(liao)得到了快速的(de)發(fa)展。
2、應用性
水(shui)性(xing)(xing)涂(tu)料(liao)(liao)(liao)施(shi)(shi)工(gong)(gong)(gong)需要(yao)嚴(yan)格控(kong)制施(shi)(shi)工(gong)(gong)(gong)環(huan)境(jing)的(de)溫度(du)、濕(shi)度(du)和基層含水(shui)率(lv),比如(ru)水(shui)性(xing)(xing)涂(tu)料(liao)(liao)(liao)施(shi)(shi)工(gong)(gong)(gong)一(yi)般要(yao)求(qiu)在5℃以(yi)(yi)上(shang)施(shi)(shi)工(gong)(gong)(gong),溶(rong)(rong)劑型涂(tu)料(liao)(liao)(liao)在0℃也可以(yi)(yi)施(shi)(shi)工(gong)(gong)(gong);水(shui)性(xing)(xing)涂(tu)料(liao)(liao)(liao)施(shi)(shi)工(gong)(gong)(gong)的(de)基層含水(shui)率(lv)應小于(yu)10%,溶(rong)(rong)劑型涂(tu)料(liao)(liao)(liao)施(shi)(shi)工(gong)(gong)(gong)的(de)基層含水(shui)率(lv)應小于(yu)8%。在一(yi)些條件(jian)苛刻的(de)環(huan)境(jing)下,無(wu)法獲得優質涂(tu)膜(mo)。而溶(rong)(rong)劑型涂(tu)料(liao)(liao)(liao)可以(yi)(yi)隨著施(shi)(shi)工(gong)(gong)(gong)地點施(shi)(shi)工(gong)(gong)(gong)環(huan)境(jing)調(diao)整溶(rong)(rong)劑的(de)配比,從(cong)而達到一(yi)個理想的(de)涂(tu)膜(mo)狀態,因為客觀需求(qiu)和功能需要(yao)溶(rong)(rong)劑型涂(tu)料(liao)(liao)(liao)仍然(ran)占有一(yi)部分(fen)市(shi)場,所以(yi)(yi)從(cong)應用性(xing)(xing)來(lai)說溶(rong)(rong)劑型涂(tu)料(liao)(liao)(liao)還是(shi)比較占優勢一(yi)些。
3、安全性
水(shui)(shui)性(xing)(xing)涂料(liao)以水(shui)(shui)做溶劑(ji),消除了生(sheng)產過(guo)(guo)程(cheng)施工(gong)時的火災(zai)危險(xian)性(xing)(xing),改善了作業環境,在安全(quan)性(xing)(xing)上占據(ju)優勢。而溶劑(ji)型涂料(liao)在生(sheng)產過(guo)(guo)程(cheng)中由于其含有有機溶劑(ji)中的揮發物(wu)質在生(sheng)產、儲存,以及運輸(shu)過(guo)(guo)程(cheng)中極易(yi)造成爆炸和火災(zai)的發生(sheng)。所以從安全(quan)性(xing)(xing)上來說水(shui)(shui)性(xing)(xing)涂料(liao)強于溶劑(ji)型涂料(liao)。
4、物理性能
從(cong)涂(tu)膜的(de)物(wu)理化(hua)學性(xing)(xing)(xing)(xing)能上講,水性(xing)(xing)(xing)(xing)涂(tu)料(liao)的(de)某(mou)些(xie)物(wu)理化(hua)學性(xing)(xing)(xing)(xing)能不及(ji)溶劑型(xing)(xing)涂(tu)料(liao),如耐(nai)(nai)化(hua)學品性(xing)(xing)(xing)(xing)、耐(nai)(nai)候性(xing)(xing)(xing)(xing)、耐(nai)(nai)沾污性(xing)(xing)(xing)(xing)等(deng)。因此(ci)水性(xing)(xing)(xing)(xing)涂(tu)料(liao)的(de)使用年限(xian)沒有溶劑型(xing)(xing)涂(tu)料(liao)長。但水性(xing)(xing)(xing)(xing)涂(tu)料(liao)也(ye)有一些(xie)高(gao)檔次(ci)產品:如水性(xing)(xing)(xing)(xing)硅丙涂(tu)料(liao)、氟(fu)碳(tan)涂(tu)料(liao)等(deng),使用壽命也(ye)可達到(dao)10一15年左(zuo)右。
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