纺织学报 ›› 2013, Vol. 34 ›› Issue (5): 12-16.

• 纤维材料 • 上一篇    下一篇

混凝土节水保湿养护膜的制备

马慧 陈雪菲 杨娟亚 秦永瑞 胡国樑   

  1. 浙江理工大学材料与纺织学院
  • 出版日期:2013-05-15 发布日期:2013-05-15
  • 通讯作者: 胡国樑 E-mail:zisthugl@sina.com

Preparation of water saving and moisture retention film for concrete curing

  • Online:2013-05-15 Published:2013-05-15

摘要: 采用溶液聚合法制备高吸水性浆液,然后用浸渍的方式对粘胶非织造布进行吸水性处理,并利用正交试验对反应条件进行了优化,讨论了覆膜处理时热压温度和时间对养护膜表观吸水性能和拉伸性能的影响,并对其重复吸水性能及相关结构进行了分析与表征。结果表明:在单体比AA:AM = 46:54,改性高岭质量分数为2%,引发剂质量分数为0.2%,交联剂质量分数为0.1%,反应温度为55°C的条件下,养护膜基布的表观吸水率为5004.535 g/m2 ,在不同的热压温度和时间下,养护膜有较好的吸水性能和拉伸性能,重复使用性能良好。

关键词: 养护膜, 吸水性, 热压工艺, 拉伸性, 反复吸水

Abstract: A super-absorbent slurry was prepared with solution polymerization. Rayon non-woven fabric was prepared by the way of dipping, which made them with good water absorption, and the reaction conditions were optimized through ortho-experiment. The influence of hot pressing conditions on apparent water absorption and tensile properties of film was discussed, and the repeated water absorption ability and related structures were also analysised and characterized. The results showed that, when the monomer ratio was AA:AM=46:54, modified kaolin content was 2%, initiator content was 0.2%, crosslinker content was 0.1%,reaction temperature was 55°C, the apparent water absorption of membrane-based fabric could reach 5004.535 g/m2 , the water absorption and tensile properties were good in different hot-pressing temperature and time, and the quality of reuse was also very well.

Key words: retention film, absorbing cap ability, hot-pressing, tensile property, repeated water absorption

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