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聚醋酸乙烯酯土壤稳定剂的制备条件及增强机理的影响

Effects of the Preparation Conditions and Reinforcement Mechanism of Polyvinyl Acetate Soil Stabilizer.

作者信息

Bu Fan, Liu Jin, Bai Yuxia, Prasanna Kanungo Debi, Song Zezhuo, Kong Fanxuan, Pan Cheng

机构信息

School of Earth Sciences and Engineering, Hohai University, Nanjing 210098, China.

Council of Scientific and Industrial Research (CSIR)-Central Building Research Institute (CBRI), Roorkee 247667, India.

出版信息

Polymers (Basel). 2019 Mar 17;11(3):506. doi: 10.3390/polym11030506.

DOI:10.3390/polym11030506
PMID:30960490
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC6473337/
Abstract

The significant criterion for evaluating the merits of a new type of high molecular polymer lies in its engineering properties and eco-friendliness. The focus of this study was to determine the effects of preparation conditions on the viscosity of the polyvinyl acetate (PVAc) emulsion, including reaction temperature (), initiator concentration (), monomer concentration (), pH value, and degree of dilution (). Based on the results of a series of laboratory tests, the range of viscosity value of PVAc was obtained under different conditions, and one set of viscosity values out of these was applied to soil reinforcement tests. Meanwhile, based on the test results, the engineering properties of PVAc solution were evaluated using strength and moisture retention tests, and the reinforcement mechanism was analyzed using scanning electron microscopy (SEM). In addition, it was proven through a vegetation growth test that the PVAc was eco-friendly.

摘要

评估新型高分子聚合物优劣的重要标准在于其工程性能和生态友好性。本研究的重点是确定制备条件对聚醋酸乙烯酯（PVAc）乳液粘度的影响，包括反应温度（）、引发剂浓度（）、单体浓度（）、pH值和稀释度（）。基于一系列实验室测试结果，得出了不同条件下PVAc的粘度值范围，并将其中一组粘度值应用于土壤加固试验。同时，根据试验结果，通过强度和保水试验评估了PVAc溶液的工程性能，并使用扫描电子显微镜（SEM）分析了加固机理。此外，通过植被生长试验证明了PVAc具有生态友好性。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2bbc/6473337/b1fa188d69e4/polymers-11-00506-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2bbc/6473337/f25fcfbefc45/polymers-11-00506-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2bbc/6473337/56b3ef60357a/polymers-11-00506-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2bbc/6473337/be2647e00485/polymers-11-00506-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2bbc/6473337/75029c6411b9/polymers-11-00506-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2bbc/6473337/ec1a45364055/polymers-11-00506-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2bbc/6473337/188429d4373e/polymers-11-00506-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2bbc/6473337/4133e5457ed2/polymers-11-00506-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2bbc/6473337/60ff77b62ad2/polymers-11-00506-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2bbc/6473337/b1fa188d69e4/polymers-11-00506-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2bbc/6473337/f25fcfbefc45/polymers-11-00506-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2bbc/6473337/56b3ef60357a/polymers-11-00506-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2bbc/6473337/be2647e00485/polymers-11-00506-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2bbc/6473337/75029c6411b9/polymers-11-00506-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2bbc/6473337/ec1a45364055/polymers-11-00506-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2bbc/6473337/188429d4373e/polymers-11-00506-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2bbc/6473337/4133e5457ed2/polymers-11-00506-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2bbc/6473337/60ff77b62ad2/polymers-11-00506-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2bbc/6473337/b1fa188d69e4/polymers-11-00506-g009.jpg

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