乙烯基(ji)酯(zhi)樹(shu)脂(zhi)(zhi)是由雙酚型(xing)或酚醛型(xing)環(huan)氧樹(shu)脂(zhi)(zhi)與甲基(ji)丙(bing)烯酸(suan)反(fan)應得到(dao)的一類(lei)變性環(huan)氧樹(shu)脂(zhi)(zhi),通常被稱為(wei)乙烯基(ji)酯(zhi)樹(shu)脂(zhi)(zhi)(VE),別名環(huan)氧丙(bing)烯酸(suan)樹(shu)脂(zhi)(zhi),為(wei)熱固性樹(shu)脂(zhi)(zhi).乙烯基(ji)酯(zhi)樹(shu)脂(zhi)(zhi)秉承了環(huan)氧樹(shu)脂(zhi)(zhi)的優良特性,固化性和(he)成型(xing)性方面更為(wei)出色,能溶解于苯乙烯以及丙(bing)烯酸(suan)系單體.
乙烯基酯樹脂的介紹
乙烯(xi)基(ji)酯(zhi)樹(shu)(shu)(shu)脂是(shi)由(you)(you)雙酚型或(huo)酚醛型環(huan)(huan)氧(yang)(yang)樹(shu)(shu)(shu)脂與甲基(ji)丙(bing)烯(xi)酸反(fan)應得(de)到的(de)一類變性(xing)(xing)(xing)(xing)環(huan)(huan)氧(yang)(yang)樹(shu)(shu)(shu)脂,通(tong)常被(bei)稱(cheng)為(wei)(wei)乙烯(xi)基(ji)酯(zhi)樹(shu)(shu)(shu)脂(VE),別名環(huan)(huan)氧(yang)(yang)丙(bing)烯(xi)酸樹(shu)(shu)(shu)脂,為(wei)(wei)熱固性(xing)(xing)(xing)(xing)樹(shu)(shu)(shu)脂.乙烯(xi)基(ji)酯(zhi)樹(shu)(shu)(shu)脂秉承了環(huan)(huan)氧(yang)(yang)樹(shu)(shu)(shu)脂的(de)優良特(te)性(xing)(xing)(xing)(xing),固化(hua)性(xing)(xing)(xing)(xing)和成型性(xing)(xing)(xing)(xing)方面更為(wei)(wei)出(chu)色,能溶解于苯乙烯(xi)以及丙(bing)烯(xi)酸系單體,由(you)(you)于兼具環(huan)(huan)氧(yang)(yang)和不飽和的(de)優點,其應用領域正(zheng)在(zai)不斷擴大.乙烯(xi)基(ji)酯(zhi)樹(shu)(shu)(shu)脂是(shi)由(you)(you)環(huan)(huan)氧(yang)(yang)樹(shu)(shu)(shu)脂與甲基(ji)丙(bing)烯(xi)酸通(tong)過開環(huan)(huan)加成化(hua)學反(fan)應而(er)制得(de).它(ta)保(bao)留了環(huan)(huan)氧(yang)(yang)樹(shu)(shu)(shu)脂的(de)基(ji)本鏈段,又有(you)不飽和聚酯(zhi)樹(shu)(shu)(shu)脂的(de)良好工(gong)藝性(xing)(xing)(xing)(xing)能,它(ta)在(zai)適宜條件下(xia)固化(hua)后(hou),表現(xian)出(chu)某些特(te)殊(shu)的(de)優良性(xing)(xing)(xing)(xing)能.
乙烯基樹脂的應用
1、 制作耐(nai)腐(fu)蝕(shi)FRP制品,如玻璃鋼槽罐、管道(dao)、塔器以(yi)及(ji)耐(nai)腐(fu)蝕(shi)格(ge)柵等(deng).
2、 防腐蝕工程,如水泥基或鐵基玻璃鋼襯里、高耐腐蝕地(di)坪,高強度FRP制品(pin),如玻璃鋼型材(cai)、體(ti)育用品(pin)、FRP船艇等.
3、 重防(fang)腐(fu)玻(bo)璃鱗片(pian)涂料、鱗片(pian)膠泥.
4、 -如UV油(you)墨、重(zhong)防腐工業(ye)地(di)坪等.
5、 電廠脫(tuo)硫防腐,耐高溫(wen),耐強(qiang)酸(suan)強(qiang)堿.
6、 化工車(che)間工作臺(tai)耐酸堿防腐等.
乙(yi)烯(xi)基酯樹(shu)脂又被叫做(zuo)乙(yi)烯(xi)基樹(shu)脂. 物(wu)化性質
環氧樹脂和含雙鍵的不飽和一元羧酸酌(zhuo)加成聚(ju)合物.以苯(ben)乙(yi)烯為(wei)稀釋劑和(he)交聯劑.樹脂兼(jian)具(ju)不飽(bao)和(he)聚(ju)酯和(he)環氧樹脂的性(xing)能,有良好的力學性(xing)能、韌性(xing)、耐熱性(xing)和(he)黏結性(xing),優異的耐化學性(xing)及(ji)便(bian)于固化的特性(xing).
