Modification of organofluorosilicone styrene–acrylate emulsions with lignin participation and characterization of their properties

IF 2.3 4区 材料科学 Q2 CHEMISTRY, APPLIED Journal of Coatings Technology and Research Pub Date : 2024-07-12 DOI:10.1007/s11998-024-00953-0
Wei Xia, Kangkang Zhao, Jia Zheng, Shujing Fan, Guijuan Li, Bowen Shao, Le Yang, Xinzhe Shi
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Abstract

In this study, we present a method to enhance the hydrophobic properties of organofluorosilicon styrene–acrylate emulsions while simultaneously reducing their environmental pollutional, and assess their potential for applications in oil–water separation materials, waterproof coatings, and related fields. We achieved this by developing organofluorosilicon styrene–acrylate emulsions with core–shell interpenetration properties through a meticulously designed preemulsified semicontinuous seed emulsion polymerization process. In addition, we have added sodium lignosulfonate, a green and renewable material, to the polymerization process to further enhance the environmental sustainability of these emulsions. A comprehensive characterization of the lignin-modified emulsions was conducted using various techniques, including assessments of storage stability, centrifugal stability, ionic stability, water contact angle, thermogravimetric analysis, Fourier transform infrared spectroscopy, as well as scanning and transmission electron microscopy analyses. The findings revealed that the lignin-modified emulsions exhibited similar stability to conventional phenylpropylene emulsions in terms of Ca2+, mechanical, and storage stability, while demonstrating notably enhanced thermal stability and hydrophobicity. Significantly, immersion of filter paper in the modified emulsion resulted in filter paper with markedly improved hydrophobic properties, while retaining surface pores and preserving filter capacity. This underscores the potential of lignin-modified emulsions for application in oil–water separation materials. Furthermore, this innovation led to a noteworthy 50% reduction in the usage of organofluorosilicone monomers, thereby mitigating potential hazards and environmental pollution associated with their use. Our utilization of sodium lignosulfonate as a modifier for organofluorosilicon styrene–acrylate emulsions represents a novel and promising approach for applications in oil–water separation and waterproof coatings. The integration of green and sustainable materials has significantly advanced environmentally friendly solutions, fostering more eco-conscious practices in industrial and commercial applications.

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木质素参与的有机氟硅苯乙烯-丙烯酸酯乳液改性及其特性分析
在本研究中,我们提出了一种增强有机氟硅苯乙烯-丙烯酸酯乳液疏水性的方法,同时降低了其对环境的污染,并评估了其在油水分离材料、防水涂料及相关领域的应用潜力。为此,我们通过精心设计的预乳化半连续种子乳液聚合工艺,开发出了具有核壳互穿特性的有机氟硅苯乙烯-丙烯酸酯乳液。此外,我们还在聚合过程中添加了木质素磺酸钠(一种绿色可再生材料),以进一步提高这些乳液的环境可持续性。我们采用多种技术对木质素改性乳液进行了全面表征,包括储存稳定性、离心稳定性、离子稳定性、水接触角、热重分析、傅立叶变换红外光谱以及扫描和透射电子显微镜分析。研究结果表明,木质素改性乳液在 Ca2+、机械和储存稳定性方面的表现与传统苯丙乳液相似,但热稳定性和疏水性明显增强。值得注意的是,将滤纸浸入改性乳液后,滤纸的疏水性得到明显改善,同时保留了表面孔隙并保持了过滤能力。这凸显了木质素改性乳液在油水分离材料中的应用潜力。此外,这项创新还使有机氟有机硅单体的用量显著减少了 50%,从而减轻了与使用有机氟有机硅单体相关的潜在危害和环境污染。我们利用木质素磺酸钠作为有机氟硅苯乙烯-丙烯酸酯乳液的改性剂,为油水分离和防水涂料的应用提供了一种新颖且前景广阔的方法。绿色和可持续材料的整合极大地推动了环保解决方案的发展,在工业和商业应用中促进了更具生态意识的实践。
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来源期刊
Journal of Coatings Technology and Research
Journal of Coatings Technology and Research 工程技术-材料科学:膜
CiteScore
4.30
自引率
8.70%
发文量
130
审稿时长
2.5 months
期刊介绍: Journal of Coatings Technology and Research (JCTR) is a forum for the exchange of research, experience, knowledge and ideas among those with a professional interest in the science, technology and manufacture of functional, protective and decorative coatings including paints, inks and related coatings and their raw materials, and similar topics.
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