Synthesis of poly(methyl methacrylate) microspheres using poly(2-acrylamido-2-methylpropane sulfonic acid) as a suspending agent

Konstantin K. Shirshin; Nadezhda Yu. Ladilova; Pavel V. Kornienko; Viktoria I. Igoshina; Vladimir P. Chuev

doi:10.1515/ipp-2024-0108

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Article

Synthesis of poly(methyl methacrylate) microspheres using poly(2-acrylamido-2-methylpropane sulfonic acid) as a suspending agent

Konstantin K. Shirshin , Nadezhda Yu. Ladilova , Pavel V. Kornienko , Viktoria I. Igoshina and Vladimir P. Chuev

Published/Copyright: February 12, 2025

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From the journal International Polymer Processing Volume 40 Issue 4

Abstract

Poly(methyl methacrylate) microspheres are used in various fields of application including clinical dentistry and surgery. Creating new technological schemes and modernizing already known technologies of poly(methyl methacrylate) microspheres production have developed rapidly during the last 50 years. In this work, the influence of suspending agents (type, concentration etc.) on the average size of microspheres is shown. Poly(2-acrylamido-2-methylpropane sulfonic acid) and its sodium salt are proposed as very effective suspending agents, allowing to produce microspheres of required size under various conditions. The effect of initiator concentration and stirring speed on average size of particles is also investigated. A technological scheme is proposed in accordance to experimental data.

Keywords: poly(methyl methacrylate); microspheres; suspending agent; suspension polymerization; poly(2-acrylamido-2-methylpropane sulfonic acid)

Corresponding author: Konstantin K. Shirshin, Nizhny Novgorod State Technical University n.a. R.E. Alekseev, 24 Minina Street, Nizhny Novgorod, 603950, Russian Federation, E-mail: kkshirshin@mail.ru

Research ethics: Not applicable.
Informed consent: Informed consent was obtained from all individuals included in this study, or their legal guardians or wards.
Author contributions: The authors have accepted responsibility for the entire content of this manuscript and approved its submission.
Use of Large Language Models, AI and Machine Learning Tools: None declared.
Conflict of interest: The authors states no conflict of interest.
Research funding: None declared.
Data availability: The raw data can be obtained on request from the corresponding author.

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Received: 2024-08-20

Accepted: 2024-12-13

Published Online: 2025-02-12

Published in Print: 2025-09-25

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Articles in the same Issue

https://doi.org/10.1515/ipp-2024-0108

Keywords for this article

poly(methyl methacrylate); microspheres; suspending agent; suspension polymerization; poly(2-acrylamido-2-methylpropane sulfonic acid)