乙烯(xi)(xi)基酯樹(shu)脂(zhi)(zhi)是由(you)雙酚型(xing)或酚醛(quan)型(xing)環氧(yang)樹(shu)脂(zhi)(zhi)與(yu)甲基丙烯(xi)(xi)酸反應得到的(de)一類變(bian)性(xing)環氧(yang)樹(shu)脂(zhi)(zhi),通常被(bei)稱為乙烯(xi)(xi)基酯樹(shu)脂(zhi)(zhi)(VE),別名環氧(yang)丙烯(xi)(xi)酸樹(shu)脂(zhi)(zhi),為熱固性(xing)樹(shu)脂(zhi)(zhi).乙烯(xi)(xi)基酯樹(shu)脂(zhi)(zhi)秉(bing)承了環氧(yang)樹(shu)脂(zhi)(zhi)的(de)優(you)良特性(xing),固化性(xing)和成型(xing)性(xing)方(fang)面更為出色,能溶解于苯乙烯(xi)(xi)以及丙烯(xi)(xi)酸系單體.
乙烯基酯樹脂的介紹
乙烯(xi)基酯(zhi)(zhi)樹(shu)脂(zhi)(zhi)(zhi)(zhi)是由雙酚(fen)型(xing)或酚(fen)醛型(xing)環(huan)氧(yang)(yang)(yang)樹(shu)脂(zhi)(zhi)(zhi)(zhi)與甲基丙(bing)(bing)烯(xi)酸(suan)反應得(de)到的(de)一(yi)類變性(xing)(xing)環(huan)氧(yang)(yang)(yang)樹(shu)脂(zhi)(zhi)(zhi)(zhi),通常被(bei)稱為乙烯(xi)基酯(zhi)(zhi)樹(shu)脂(zhi)(zhi)(zhi)(zhi)(VE),別名環(huan)氧(yang)(yang)(yang)丙(bing)(bing)烯(xi)酸(suan)樹(shu)脂(zhi)(zhi)(zhi)(zhi),為熱固性(xing)(xing)樹(shu)脂(zhi)(zhi)(zhi)(zhi).乙烯(xi)基酯(zhi)(zhi)樹(shu)脂(zhi)(zhi)(zhi)(zhi)秉承了環(huan)氧(yang)(yang)(yang)樹(shu)脂(zhi)(zhi)(zhi)(zhi)的(de)優良(liang)(liang)特性(xing)(xing),固化性(xing)(xing)和(he)成型(xing)性(xing)(xing)方(fang)面更為出色,能(neng)溶解于苯乙烯(xi)以及丙(bing)(bing)烯(xi)酸(suan)系單體,由于兼具環(huan)氧(yang)(yang)(yang)和(he)不飽(bao)和(he)的(de)優點,其應用領域正(zheng)在(zai)不斷擴(kuo)大.乙烯(xi)基酯(zhi)(zhi)樹(shu)脂(zhi)(zhi)(zhi)(zhi)是由環(huan)氧(yang)(yang)(yang)樹(shu)脂(zhi)(zhi)(zhi)(zhi)與甲基丙(bing)(bing)烯(xi)酸(suan)通過開(kai)環(huan)加成化學反應而(er)制得(de).它保留了環(huan)氧(yang)(yang)(yang)樹(shu)脂(zhi)(zhi)(zhi)(zhi)的(de)基本鏈段(duan),又有不飽(bao)和(he)聚酯(zhi)(zhi)樹(shu)脂(zhi)(zhi)(zhi)(zhi)的(de)良(liang)(liang)好工藝性(xing)(xing)能(neng),它在(zai)適宜(yi)條件下固化后,表現出某些特殊的(de)優良(liang)(liang)性(xing)(xing)能(neng).
乙烯基樹脂的應用
1、 制(zhi)作耐腐蝕(shi)FRP制(zhi)品,如玻璃(li)鋼(gang)槽罐(guan)、管道、塔(ta)器以及耐腐蝕(shi)格柵等.
2、 防(fang)腐蝕工程,如(ru)水泥基(ji)或(huo)鐵基(ji)玻璃(li)鋼(gang)襯里、高(gao)耐腐蝕地坪,高(gao)強度(du)FRP制品(pin),如(ru)玻璃(li)鋼(gang)型材(cai)、體育(yu)用品(pin)、FRP船艇等.
3、 重(zhong)防腐玻璃(li)鱗片(pian)涂料、鱗片(pian)膠(jiao)泥(ni).
4、 -如UV油墨(mo)、重防腐工(gong)業地坪(ping)等(deng).
5、 電廠脫硫(liu)防腐,耐(nai)高溫,耐(nai)強(qiang)酸強(qiang)堿.
乙烯基(ji)酯樹(shu)(shu)脂又被叫做乙烯基(ji)樹(shu)(shu)脂. 物化性質
環氧樹脂和含雙鍵的不飽和一元羧酸酌加成聚合物.以苯乙(yi)烯為稀(xi)釋劑和交(jiao)聯劑.樹(shu)脂兼具不(bu)飽和聚酯和環(huan)氧樹(shu)脂的(de)性(xing)能(neng),有良好的(de)力學(xue)性(xing)能(neng)、韌性(xing)、耐熱性(xing)和黏結性(xing),優異的(de)耐化(hua)學(xue)性(xing)及便于固化(hua)的(de)特性(xing).
