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树莓状聚苯乙烯-二氧化硅纳米复合粒子的可控合成 皮克林乳液聚合

Controllable synthesis of raspberry-like PS-SiO nanocomposite particles Pickering emulsion polymerization.

作者信息

Zhang Xiaotian, Sun Yangyi, Mao Yijing, Chen Kunlin, Cao Zhihai, Qi Dongming

机构信息

Key Laboratory of Advanced Textile Materials and Manufacturing Technology, Engineering Research Center for Eco-Dyeing & Finishing of Textiles, Ministry of Education, Zhejiang Sci-Tech University Hangzhou 310018 China

Key Laboratory of Eco-Textiles, Ministry of Education, School of Textiles and Clothing, Jiangnan University Wuxi 214122 China.

出版信息

RSC Adv. 2018 Jan 22;8(7):3910-3918. doi: 10.1039/c7ra13086d. eCollection 2018 Jan 16.

DOI:10.1039/c7ra13086d
PMID:35542926
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9077750/
Abstract

This paper presents a simple and controllable method for the synthesis of monodisperse nanometer-sized organic-inorganic raspberry-like polystyrene (PS)-SiO nanocomposite particles (NCPs) Pickering emulsion polymerization, by simply using a silane coupling agent, 3-(trimethoxysilyl)propyl methacrylate (MPS), as an auxiliary monomer and controlling its hydrolysis/condensation processes and amount. In this method, when MPS was stirred in acidic water with styrene (St) for a period of time, and then a basic silica solution added, raspberry-like PS-SiO NCPs were directly obtained after the polymerization. The whole process needs neither surface treatment for the silica particles nor additional surfactants or stabilizers. We propose that a silica-stabilized Pickering emulsion is formed through Si-OH reaction between the hydrolysis/condensation products of MPS distributed on the St droplets surface and the silica particles.

摘要

本文提出了一种简单且可控的方法，用于合成单分散纳米级有机-无机树莓状聚苯乙烯（PS）-SiO纳米复合粒子（NCPs），即通过简单地使用硅烷偶联剂甲基丙烯酸3-（三甲氧基硅基）丙酯（MPS）作为辅助单体，并控制其水解/缩合过程及用量，进行Pickering乳液聚合。在该方法中，当MPS在酸性水中与苯乙烯（St）搅拌一段时间后，加入碱性二氧化硅溶液，聚合后直接得到树莓状PS-SiO NCPs。整个过程既不需要对二氧化硅颗粒进行表面处理，也不需要额外的表面活性剂或稳定剂。我们认为，通过分布在St液滴表面的MPS水解/缩合产物与二氧化硅颗粒之间的Si-OH反应，形成了二氧化硅稳定的Pickering乳液。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/363a/9077750/80988a8f93a7/c7ra13086d-s1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/363a/9077750/0ad894d469a2/c7ra13086d-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/363a/9077750/bbd531b6af11/c7ra13086d-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/363a/9077750/bf034de79b36/c7ra13086d-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/363a/9077750/04e16b12a483/c7ra13086d-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/363a/9077750/00f61e6132b2/c7ra13086d-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/363a/9077750/275437c4a099/c7ra13086d-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/363a/9077750/be48c36e8132/c7ra13086d-f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/363a/9077750/7677d92c3f0d/c7ra13086d-f8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/363a/9077750/80988a8f93a7/c7ra13086d-s1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/363a/9077750/0ad894d469a2/c7ra13086d-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/363a/9077750/bbd531b6af11/c7ra13086d-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/363a/9077750/bf034de79b36/c7ra13086d-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/363a/9077750/04e16b12a483/c7ra13086d-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/363a/9077750/00f61e6132b2/c7ra13086d-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/363a/9077750/275437c4a099/c7ra13086d-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/363a/9077750/be48c36e8132/c7ra13086d-f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/363a/9077750/7677d92c3f0d/c7ra13086d-f8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/363a/9077750/80988a8f93a7/c7ra13086d-s1.jpg

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