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无皂醋酸乙烯酯/丙烯酸丁酯共聚物乳胶的制备与表征

Preparation and Characterization of Soap-Free Vinyl Acetate/Butyl Acrylate Copolymer Latex.

作者信息

Zhang Yifu, Bei Wenkai, Qin Zhiyong

机构信息

School of Resources, Environment and Materials, Guangxi university, Nanning 530000, China.

出版信息

Materials (Basel). 2020 Feb 14;13(4):865. doi: 10.3390/ma13040865.

DOI:10.3390/ma13040865
PMID:32075137
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7078716/
Abstract

The soap-free emulsion of vinyl acetate (VAc)/butyl acrylate (BA) copolymer was prepared by a semi-continuous and pre-emulsification polymerization method, using ammonium sulfate allyloxy nonylphenoxy poly(ethyleneoxy) (10) ether (DNS-86) as a reactive emulsifier. The effects of DNS-86 on the stability of the emulsion and the properties of the latex film were investigated. The infrared spectrum, thermal stability, glass transition temperature and micromorphology of latex were also studied. The results showed that the emulsion had the best stability and the conversion rate reached a maximum of 98.46% when the DNS-86 amount was 4 wt % of the total amount of monomers. Compared with the PVAc latex synthesized with octylphenol polyoxyethylene ether (10) (OP-10), the latex prepared with DNS-86 has higher thermal stability and ionic stability, whereas the latex film has better water resistance.

摘要

采用半连续预乳化聚合法，以硫酸铵烯丙氧基壬基苯氧基聚（乙氧基）（10）醚（DNS-86）为反应性乳化剂，制备了醋酸乙烯酯（VAc）/丙烯酸丁酯（BA）共聚物的无皂乳液。研究了DNS-86对乳液稳定性和乳胶膜性能的影响。还研究了乳胶的红外光谱、热稳定性、玻璃化转变温度和微观形态。结果表明，当DNS-86用量为单体总量的4 wt%时，乳液具有最佳稳定性，转化率最高可达98.46%。与用辛基酚聚氧乙烯醚（10）（OP-10）合成的聚醋酸乙烯酯乳胶相比，用DNS-86制备的乳胶具有更高的热稳定性和离子稳定性，而乳胶膜具有更好的耐水性。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f526/7078716/035f9e49365d/materials-13-00865-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f526/7078716/856fc1225301/materials-13-00865-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f526/7078716/0db7a6a6dfd0/materials-13-00865-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f526/7078716/b09c2befcecc/materials-13-00865-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f526/7078716/f8cfd3e9e502/materials-13-00865-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f526/7078716/c717e955a380/materials-13-00865-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f526/7078716/9bdebd3a22ff/materials-13-00865-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f526/7078716/71b16fad7965/materials-13-00865-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f526/7078716/035f9e49365d/materials-13-00865-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f526/7078716/856fc1225301/materials-13-00865-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f526/7078716/0db7a6a6dfd0/materials-13-00865-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f526/7078716/b09c2befcecc/materials-13-00865-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f526/7078716/f8cfd3e9e502/materials-13-00865-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f526/7078716/c717e955a380/materials-13-00865-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f526/7078716/9bdebd3a22ff/materials-13-00865-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f526/7078716/71b16fad7965/materials-13-00865-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f526/7078716/035f9e49365d/materials-13-00865-g008.jpg

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本文引用的文献

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Synthesis and Characterization of Waterborne Fluoropolymers Prepared by the One-Step Semi-Continuous Emulsion Polymerization of Chlorotrifluoroethylene, Vinyl Acetate, Butyl Acrylate, Veova 10 and Acrylic Acid.通过三氟氯乙烯、醋酸乙烯酯、丙烯酸丁酯、Veova 10和丙烯酸的一步半连续乳液聚合制备的水性含氟聚合物的合成与表征
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