废玻璃钢增强多功能砂浆的制备与性能研究

3.冀州市冀通机械设备科技有限公司，河北 冀州  053200）
 

    摘要：基于废玻璃钢增强和多种材料协同优化，得到兼具防水和保温性能的多功能粘结砂浆。以砂浆粘结强度为响应值，选取对灰砂比、聚合物掺量、废玻璃钢纤维掺量、废玻璃钢粉体掺量作为考察因素，根据Box-Behnken设计及响应面分析，得到粘结砂浆的优化工艺条件。粘结砂浆最佳工艺为：灰砂比为0.5，VAE乳液、废玻璃钢纤维、废玻璃钢粉体掺量分别为8%、6%、9%。利用Design-expert 8.0软件拟合的数学模型预测砂浆粘结强度，与实验值吻合。掺入硅灰有利于改善纤维分散性能并提高粘结强度。砂浆的粘结强度符合JCT 547—2005《陶瓷墙地砖胶结剂》的要求，同时具有良好的防水性能和保温性能。

    关键词：废玻璃钢；聚合物；响应曲面法；粘结砂浆

    中图分类号：TU57+8.1        文献标识码：A        文章编号：1001-702X（2018）09-0

 

Study on preparation and properties of waste GFRP reinforced multifunctional mortar

FENG Yanchao1，ZHAO Fengqing1，2，LI Guoshu3

（1.College of Chemical and Pharmaceutical Engineering，Hebei University of Science & Technology，Shijiazhuang 050018，China；

2.Hebei Engineering Research Center of Solid Wastes Utilization，Shijiazhuang 050018，China；

3.Ji Tong Machinery Equipment Technology Co. Ltd.， Jizhou 053200，China）

   Abstract：A multifunctional adhesive mortar with waterproof and thermal insulation property was obtained，based on the reinforcement of waste GFRP and the synergistic effect of various materials. Box-Behnken design and response surface analysis were used to get the optimal proportioning of bonding mortar，with bonding strength of the mortar being the response，cement sand ratio，polymer content，waste GFRP fiber content and waste GFRP powder content being the factors. The optimal proportioning for bonding mortar is achieved：cement sand ratio 0.5，polymer 8%，waste GFRP fiber 6%，waste GFRP powder 9%. The bonding strength of the mortar was predicted by the mathematical model fitted by Design-Expert 8.0 software，and it was in good agreement with the experimental data. The incorporation of silica fume into the system can improve the dispersion of the fibers and bonding strength of the mortar. The bond strength of the product meets the requirements of JC/T 547-2005 Ceramic Tile Adhesive and has good waterproof and thermal insulation properties.

    Key words：waste GFRP，polymer，response surface methodology，adhesive mortar