葡萄糖改性聚羧酸减水剂的合成与性能

doi:10.16085/j.issn.1000-6613.2016-2404

化工进展 ›› 2017, Vol. 36 ›› Issue (08): 3053-3057.DOI: 10.16085/j.issn.1000-6613.2016-2404

葡萄糖改性聚羧酸减水剂的合成与性能

孙玉, 王文平, 张辰

合肥工业大学化学与化工学院, 安徽合肥 230009

收稿日期:2016-12-27 修回日期:2017-01-17 出版日期:2017-08-05 发布日期:2017-08-05
通讯作者: 王文平,教授,硕士生导师。
作者简介:孙玉(1993-),男,硕士研究生。E-mail:sunyu1993924@163.com。
基金资助:
国家自然科学基金项目（2013GJMS0526）。

Synthesis and properties of polycarboxylate superplasticizer modified via glucose

SUN Yu, WANG Wenping, ZHANG Chen

School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei 230009, Anhui, China

Received:2016-12-27 Revised:2017-01-17 Online:2017-08-05 Published:2017-08-05

摘要/Abstract

摘要： 以葡萄糖（G）作为原料，在冰水浴的条件和丙烯酰氯进行酰氯化反应得到丙烯酸葡萄糖酯（AGE）。通过自由基共聚法将甲基烯丙基聚氧乙烯醚（TPEG-2400）、丙烯酸（AA）和丙烯酸葡萄糖酯聚合得到改性的聚羧酸减水剂，讨论了不同条件对聚羧酸减水剂性能的影响。通过红外谱图（FTIR）等手段对丙烯酸葡萄糖酯和共聚物进行了表征。实验中获得的最佳条件是：反应温度为60℃，反应时间为3.5h，甲基烯丙基聚氧乙烯醚、丙烯酸和丙烯酸葡萄糖酯的摩尔比是1：3：0.5。通过净浆流动度实验表明，改性后的聚羧酸减水剂在1h以内可以保持流动度为280mm不变，同时对比了未改性的聚羧酸减水剂和只加入葡萄糖单体的聚羧酸减水剂，结果表明改性后的聚羧酸减水剂在分散和保持性能方面有了很大提高。

关键词: 葡萄糖, 自由基聚合, 聚羧酸减水剂, 净浆流动度

Abstract: Using glucose(G)as the raw material,acyl chlorination reaction was carried out under the conditions of ice-water bath with acryloyl chloride to obtain acrylic acid glucose ester(AGE). With methyl allyl polyethenoxy ether(TPEG-2400),acrylic acid(AA)and acrylic acid, glucose ester were prepared by radical copolymerization. The effect of different conditions on the properties of polycarboxylate superplasticizer was discussed. The acrylic acid glucose ester and copolymers were characterized by FTIR. The optimal reaction conditions were as follows:the reaction temperature 60℃,the reaction time 3.5h,the mole ratios of methyl allyl polyoxyethylene ether,acrylic acid and acrylic acid glucose ester were 1:3:0.5. The experimental results showed that the modified polycarboxylate superplasticizer could keep the fluidity of 280mm within one hour. Comparison of the polycarboxylate superplasticizer without modification and the addition of glucose monomer onlyshowed that the modified polycarboxylate superplasticizer had a great improvement in dispersion and retention properties.

Key words: glucose, radical polymerization, polycarboxylate superplasticizer, fluidity

中图分类号:

TU528.042

孙玉, 王文平, 张辰. 葡萄糖改性聚羧酸减水剂的合成与性能[J]. 化工进展, 2017, 36(08): 3053-3057.

SUN Yu, WANG Wenping, ZHANG Chen. Synthesis and properties of polycarboxylate superplasticizer modified via glucose[J]. Chemical Industry and Engineering Progress, 2017, 36(08): 3053-3057.

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葡萄糖改性聚羧酸减水剂的合成与性能

Synthesis and properties of polycarboxylate superplasticizer modified via glucose

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