- 目录
- 保温材料与建筑节能
- 首页
硅溶胶及外加剂对玻化微珠保温材料性能的影响
作者：游胜勇1，3，戴润英2，陈衍华1，3，董晓娜1，3，谌开红1，3，李玲1，3，邹吉勇1，3
（1.江西省科学院应用化学研究所，江西 南昌 330096；2.江西农业大学，江西 南昌 330045；
3.南昌市水泥基节能建材工程技术研究中心，江西 南昌 330115）
3.南昌市水泥基节能建材工程技术研究中心，江西 南昌 330115）
摘要：以玻化微珠、白水泥、粉煤灰、可再分散乳胶粉、防水剂、植物纤维为原材料制备玻化微珠保温材料，研究了硅溶胶、玻化微珠、可再分散乳胶粉、植物纤维对其力学性能和吸水率的影响。结果表明：当硅溶胶掺量为3％时，与未经表面处理的试样相比，保温材料的吸水率降低了12.1个百分点，导热系数降低了36.96%，抗压强度提高了6.25%；当可再分散乳胶粉掺量为3%时，与未掺胶粉的试样相比，保温材料的吸水率降低了15.1个百分点，导热系数降低了36.96%，抗压强度提高了21.43%；当植物纤维掺量为1.5%时，体系的抗折和抗压强度得到提高。
关键词：玻化微珠；植物纤维；硅溶胶；力学性能；吸水率
中图分类号：TU55+1.3 文献标识码：A 文章编号：1001-702X（2017）11-0110-03
Effect of silica sol and admixture on the performances of glazed hollow bead thermal insulation materials
YOU Shengyong1，3，DAI Runying2，CHEN Yanhua1，3，DONG Xiaona1，3，
CHEN Kaihong1，3，LI Ling1，3，ZOU Jiyong1，3
YOU Shengyong1，3，DAI Runying2，CHEN Yanhua1，3，DONG Xiaona1，3，
CHEN Kaihong1，3，LI Ling1，3，ZOU Jiyong1，3
（1．Institute of Applied Chemistry，Jiangxi Academy of Sciences，Nanchang 330096，China；
2．Jiangxi Agricultural University，Nanchang 330045，China；3.The Engineering Technology Research Center for Cement Based Energy-Saving Building Materials of Nanchang，Nanchang 330115，China）
2．Jiangxi Agricultural University，Nanchang 330045，China；3.The Engineering Technology Research Center for Cement Based Energy-Saving Building Materials of Nanchang，Nanchang 330115，China）
Abstract：The glazed hollow beads，white cement，fly ash，re-dispersible powder，waterproof agent and plant fiber as raw materials were used to prepare glazed hollow beads thermal insulation material by the method of compression molding. The influence of the silica sol，glass beads，re-dispersible powder and plant fiber on the mechanical properties and water absorption rate was studied. The results show that：when the content of silica sol was 3%（by mass），compared with the sample without surface treatment，the water absorption rate reduced by 12.1，the thermal conductivity reduced by 36.96%，the compressive strength increased by 6.25%. When the re-dispersible powder content was 3%（by mass），compared with the control sample without re-dispersible powder，the water absorption rate and thermal conductivity of insulation materials reduce by 15.1，36.96% respectively，the compressive strength increased by 21.43%. When the plant fiber content was 1.5%（by mass），the flexural strength and compressive strength of the system were improved.
Key words：glazed hollow bead，plant fiber，silica sol，mechanical properties，water absorption rate
Key words：glazed hollow bead，plant fiber，silica sol，mechanical properties，water absorption rate