格式:pdf
大?。?span class="single-tag-height">734KB
頁數(shù): 3頁
? 1994-2010 China Academic Journal Electronic Publishing House. All rights reserved. http://www.cnki.net ? 1994-2010 China Academic Journal Electronic Publishing House. All rights reserved. http://www.cnki.net ? 1994-2010 China Academic Journal Electronic Publishing House. All rights reserved. http://www.cnki.net
格式:pdf
大?。?span class="single-tag-height">298KB
頁數(shù): 4頁
以丁苯橡膠(SBR)為主改性劑,聚烯烴等其它調(diào)節(jié)劑為輔助劑,在特定的工藝下對石油瀝青進(jìn)行改性.改性后瀝青的軟化點升高.針入度和延伸度增大,改善了溫度敏感性.SBR改性瀝青油氈,耐熱度可達(dá)90℃以上,低溫柔性可達(dá)-15℃(比傳統(tǒng)紙?zhí)ビ蜌置黠@地提高了耐高溫性能和耐低溫性能).SBR改性瀝青卷材的原材料來源充足,價格比較便宜,是改性瀝青防水卷材新品種,有著良好的應(yīng)用前景和明顯的經(jīng)濟效益和社會效益.