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地坪涂料的最新發展趨勢

2011-10-12 15:03:12  來源:  字號:【69免費視頻:  69免費視頻:  69免費視頻:】  瀏覽:61

    在(zai)(zai)(zai)(zai)地(di)(di)(di)(di)坪涂(tu)(tu)(tu)料的(de)領域(yu)中,目前(qian)溶(rong)劑(ji)(ji)(ji)型(xing)涂(tu)(tu)(tu)料仍占(zhan)主導地(di)(di)(di)(di)位。傳統的(de)溶(rong)劑(ji)(ji)(ji)型(xing)地(di)(di)(di)(di)坪涂(tu)(tu)(tu)料中存在(zai)(zai)(zai)(zai)著很(hen)(hen)多揮發性溶(rong)劑(ji)(ji)(ji),對人體(ti)和環境(jing)存在(zai)(zai)(zai)(zai)著不同程(cheng)(cheng)度的(de)危(wei)害,隨(sui)著環境(jing)法規日益嚴格,它們將逐漸被禁止使(shi)用。而且(qie)由于地(di)(di)(di)(di)面基材(cai)的(de)變化和使(shi)用要(yao)求的(de)提(ti)高,溶(rong)劑(ji)(ji)(ji)型(xing)地(di)(di)(di)(di)坪涂(tu)(tu)(tu)料在(zai)(zai)(zai)(zai)施(shi)工中會(hui)出現很(hen)(hen)多難(nan)以克服(fu)的(de)弊病,如(ru):起泡,鼓泡,脫落,附著不良等(deng)現象,上(shang)述(shu)弊病在(zai)(zai)(zai)(zai)很(hen)(hen)大程(cheng)(cheng)度上(shang)并不能單(dan)靠施(shi)工來解決,而是(shi)因為溶(rong)劑(ji)(ji)(ji)型(xing)地(di)(di)(di)(di)坪涂(tu)(tu)(tu)料材(cai)料本身固有的(de)缺陷而引起的(de)。因而水(shui)性化成了(le)(le)地(di)(di)(di)(di)坪涂(tu)(tu)(tu)料發展的(de)趨勢之一。與溶(rong)劑(ji)(ji)(ji)型(xing)涂(tu)(tu)(tu)料相比(bi),水(shui)性地(di)(di)(di)(di)坪涂(tu)(tu)(tu)料能降低對地(di)(di)(di)(di)面的(de)潮濕度要(yao)求,減少了(le)(le)有機溶(rong)劑(ji)(ji)(ji)(VOC)和有害空氣(qi)污染物(HAP)的(de)排放,擴大了(le)(le)應(ying)用的(de)范圍,保護了(le)(le)人類和自身居(ju)住的(de)環境(jing)。

    水(shui)性地(di)(di)坪(ping)(ping)(ping)涂(tu)料(liao)涂(tu)裝后能在漆(qi)膜(mo)(mo)中形成(cheng)開放(fang)(fang)的(de)(de)孔洞,漆(qi)膜(mo)(mo)沒有溶(rong)劑型地(di)(di)坪(ping)(ping)(ping)的(de)(de)致(zhi)密,能釋(shi)放(fang)(fang)地(di)(di)下(xia)水(shui)汽壓力,但卻能組織水(shui)分(fen)(fen)滲透,從根本上克服起泡剝離等不良(liang)現(xian)象的(de)(de)產生。采用(yong)水(shui)性地(di)(di)坪(ping)(ping)(ping)涂(tu)料(liao)時,其對地(di)(di)面的(de)(de)基材的(de)(de)含水(shui)率等要(yao)求也大大降低,拓寬其應用(yong)范圍,減少基材的(de)(de)處理費用(yong),符合當今國(guo)際(ji)的(de)(de)“5E“原則。為減少地(di)(di)坪(ping)(ping)(ping)涂(tu)料(liao)在施工(gong)和只用(yong)過程(cheng)中溶(rong)劑的(de)(de)排放(fang)(fang),地(di)(di)坪(ping)(ping)(ping)涂(tu)料(liao)向無(wu)溶(rong)劑化和高固體分(fen)(fen)發展是另一重要(yao)發展趨勢。這樣,性能優良(liang)的(de)(de)低黏度樹脂和低毒性稀釋(shi)劑的(de)(de)研制將成(cheng)為地(di)(di)坪(ping)(ping)(ping)涂(tu)料(liao)無(wu)溶(rong)劑化的(de)(de)主要(yao)研究(jiu)課題。

   另外(wai),隨著現(xian)代(dai)工業(ye)的(de)發展(zhan),對(dui)地坪(ping)的(de)要(yao)(yao)求(qiu)也越(yue)來越(yue)高,有(you)時需要(yao)(yao)一種(zhong)地坪(ping)同時具備多種(zhong)功(gong)能(neng),如要(yao)(yao)求(qiu)地坪(ping)涂料(liao)具有(you)自流平性(xing)(xing)(xing)(xing)(xing)、耐(nai)磨防(fang)滑性(xing)(xing)(xing)(xing)(xing)、高裝飾性(xing)(xing)(xing)(xing)(xing)、彈性(xing)(xing)(xing)(xing)(xing)、良好的(de)耐(nai)候性(xing)(xing)(xing)(xing)(xing)、耐(nai)久(jiu)性(xing)(xing)(xing)(xing)(xing)、耐(nai)腐(fu)蝕性(xing)(xing)(xing)(xing)(xing)、防(fang)靜電、抗核輻射等性(xing)(xing)(xing)(xing)(xing)能(neng)中的(de)幾種(zhong)或更多。因此,地坪(ping)涂料(liao)的(de)多功(gong)能(neng)化是其又一重(zhong)要(yao)(yao)發展(zhan)趨勢(shi)。

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