新型低碳墙体保温膏的制备和性能.pdfVIP

学兔兔 轩 建巍粉 全国中文核心期刊 新型低碳墙佛保温青Bg IU备和胜链 付凤华1，朱惟德 ，刘连晓 ，程齐利 ，杜铁 (1．上海大学 材料科学与工程学院，上海 201800； 2．上海赛帕化工科技有限公司，上海 201800) 摘要：以无机粘结剂和少量成膜剂为胶凝材料，以闭孔膨胀珍珠岩、空心陶瓷微珠为保温骨料，以膨润土、OK粉为填料，以氢 氧化铝和轻烧粉为阻燃剂，添加少量表面活性剂和聚丙烯纤维，利用有机、无机复合方法和颗粒级配理论，制备一种新型低碳陶瓷墙 体保温膏。研究了无机粘结剂与有机成膜剂掺量及配比、闭孔膨胀珍珠岩颗粒级配及表面活性剂掺量对保温膏保温效果和抗折强度 的影响。结果表明，优选原料种类和配比，采用适宜技术路线，可制备出低碳环保、隔热保温、抗折强度高、阻燃效果好、抗裂性能优异 的新型墙体保温膏。该保温膏导热系数为O．049 W／(m·K)，抗折强度为1．2 MPa。 关键词：低碳；保温膏；导热系数；抗折强度；墙体 中图分类号：TU55 l-3 文献标识码：B 文章编号：1001—702X(2010)12-0045—04 Development and properties of low-carbon ceramic wall insulation plaster FU Fenghua ，ZHU Weide ，LIU Lianxiao ，CHENG Qili ，DU Honf (1．School of Materials Science and Engineering，Shanghai University，Shanghai 201800，China： 2．Shanghai Sailpa Chem-Tech Co．Ltd．，SharIghai 201800，China) Abstract：Based on organic and inorganic composite technology and grain composition theory，new low—carbon ceramic wall insulation plaster was prepared with inorganic binder and small amount of film former as cementitious materials，spherical closed—porous perlite and ceramic cenosphere as insulation materials，bentonite，OK powder as filling materials，aluminum hydroxide and light calcined powder as flame retardants and with a small quantity of surfactant and mekralon．The effects of inorganic binder and film former content and their proportion，perlite grain composition and suffactant content 013 insulating conductivity and flexural strength of the insulation plaster were investigated．Results show that a new type of low—carbon and