管道防腐蝕涂漆設計與工程應用
一、底(di)漆(qi)(qi)、中(zhong)間漆(qi)(qi)和面(mian)漆(qi)(qi)根(gen)據(ju)功能和作(zuo)用(yong),涂(tu)(tu)(tu)漆(qi)(qi)層(ceng)(ceng)一般由底(di)漆(qi)(qi)、中(zhong)間漆(qi)(qi)和面(mian)漆(qi)(qi)構成:(1)底(di)漆(qi)(qi)(primercoat)。作(zuo)為陰極(ji)保護(hu)(hu)涂(tu)(tu)(tu)層(ceng)(ceng),在被(bei)保護(hu)(hu)金屬(shu)表(biao)面(mian)與電解液(ye)發生接觸時(shi),通過涂(tu)(tu)(tu)層(ceng)(ceng)中(zhong)特殊金屬(shu)成分(fen)的(de)犧(xi)牲性(xing)消耗,保護(hu)(hu)金屬(shu)表(biao)面(mian)不被(bei)腐(fu)蝕(shi);作(zuo)為將(jiang)金屬(shu)表(biao)面(mian)與腐(fu)蝕(shi)環境(電解液(ye))隔開的(de)第一道隔斷層(ceng)(ceng),目...