甘蔗糖蜜改性及对硅酸盐水泥性能的影响.pdfVIP

学兔兔 钎 蟓 中国科技核心期刊 甘蔗糖蜜改性及对硅酸盐水泥性能的影响 李伟峰 ，张胜标 ，程云川。，马素花 ，沈晓冬 (1．南京工业大学 材料科学与工程学院，江苏 南京 210009； 2．材料化学工程国家重点实验室，江苏 南京 210009； 3．武汉理工大学 管理学院，湖北 武汉 430070) 摘要：以糖厂副产物甘蔗糖蜜为原料制备改性糖蜜，研究了其助磨性能及对水泥物理性能的影响。研究结果表明：改性糖蜜对 水泥具有较好的助磨性能，显著降低45 txm筛筛余量；改性糖蜜使水泥的凝结时间略有延长，可显著提高各龄期的抗压强度，28 d 抗压强度最多提高5．3 MPa；水泥净浆流动度也较空白样增大。 关键词：甘蔗糖蜜；改性；水泥助磨剂；葡萄糖；果糖；戊糖 中图分类号：TQ172．4+62 文献标识码：A 文章编号：1001—702x(2013)03—00l1—03 Effect of modified cane molasses on the properties of portland cement ， e ， ，ZHANG Shengbiao ，QHENG Yunchuart3,MA Suhua),2,SHEN Xiaodon~ (1_College of Material Science and EngineeringcNa~ing University of Technology，Nanjing 210009，Jiangsu，China： 2．State Key Laboratory of Materials一0riented Chemical Engineering，Naming 210009，Jiangsu，China： 3．School of Management，Wuhan University of Technology，Wuhan 430070，Hubei，China) ． Abstract：Modified cane molasses was prepared with waste cane molasses from sugar refinery，and the performance as g nding aids of modified cane molasses was studied．The influence of modified cane molasses on the physical prope~ies of cement Was also investigated．The research results show that modified cane molasses had good performance as grinding aids of cement，it call obviously reduce 45 Ixm sieve residue．The setting time of samples with modified of cane molasses Was slightly prolonged，and the compressive strength at each age Was increased significantly，