Synthesis of Multihollow Polystyrene-Poly(glycidyl methacrylate) Composite Particles by Seeded Emulsion Polymerization.

IF 3.9 2区化学 Q2 CHEMISTRY, MULTIDISCIPLINARY

Langmuir Pub Date : 2025-09-15 DOI:10.1021/acs.langmuir.5c02344

Yifeng Jiang,Zhongfu Ling,Hua Zou

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引用次数: 0

Abstract

Seeded emulsion polymerization is a highly efficient, eco-friendly, and scalable method for the synthesis of multihollow polymer particles. However, previous multihollow polymer particle syntheses by seeded emulsion polymerization have always required the incorporation of hydrophilic groups (with buried sulfate end groups or having hydrophilic groups throughout the polymer chains), which have obvious disadvantages in terms of convenience, cost, or the undesirable introduction of a nonionic emulsifier. In this work, multihollow polymer particles were synthesized by seeded emulsion polymerization of glycidyl methacrylate (GMA) in the presence of polystyrene (PS) seed particles swelled with dibutyl phthalate (DBP). The effects of various polymerization parameters, including the presence of DBP during the swelling stage, the presence of GMA during the swelling stage, the swelling time, and the GMA mass ratios during the swelling and polymerization stages, on the size and morphology of the resulting particles were studied. A plausible mechanism for the formation of the multihollow structure was suggested.

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种子乳液聚合法制备多空心聚苯乙烯-聚甲基丙烯酸缩水甘油酯复合颗粒。

种子乳液聚合是一种高效、环保、可扩展的合成多空心聚合物颗粒的方法。然而，以往采用种子乳液聚合法合成的多空心聚合物颗粒总是需要掺入亲水性基团（含埋藏的硫酸盐端基或在聚合物链上具有亲水性基团），这在方便性、成本或不希望引入非离子乳化剂方面存在明显的缺点。在聚苯乙烯（PS）种子颗粒中加入邻苯二甲酸二丁酯（DBP），采用种子乳液聚合法制备了甲基丙烯酸缩水甘油酯（GMA）多空心聚合物颗粒。研究了不同的聚合参数，包括膨胀阶段DBP的存在、膨胀阶段GMA的存在、膨胀时间以及膨胀和聚合阶段GMA的质量比，对所得颗粒大小和形貌的影响。提出了多空心结构形成的合理机理。

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来源期刊

Langmuir 化学-材料科学：综合

CiteScore

6.50

自引率

10.30%

发文量

1464

审稿时长

2.1 months

期刊介绍： Langmuir is an interdisciplinary journal publishing articles in the following subject categories: Colloids: surfactants and self-assembly, dispersions, emulsions, foams Interfaces: adsorption, reactions, films, forces Biological Interfaces: biocolloids, biomolecular and biomimetic materials Materials: nano- and mesostructured materials, polymers, gels, liquid crystals Electrochemistry: interfacial charge transfer, charge transport, electrocatalysis, electrokinetic phenomena, bioelectrochemistry Devices and Applications: sensors, fluidics, patterning, catalysis, photonic crystals However, when high-impact, original work is submitted that does not fit within the above categories, decisions to accept or decline such papers will be based on one criteria: What Would Irving Do? Langmuir ranks #2 in citations out of 136 journals in the category of Physical Chemistry with 113,157 total citations. The journal received an Impact Factor of 4.384*. This journal is also indexed in the categories of Materials Science (ranked #1) and Multidisciplinary Chemistry (ranked #5).