Abstract
Cross-linked polymer microspheres have potential applications in many fields. Compared with seed polymerization, two-part dispersion polymerization is a very attractive method for preparing micron-sized cross-linked microspheres. However, the current dispersion polymerization would be adversely affected by the addition of more than 1 wt% of cross-linker at a time and even agglutination occurred. In this study, a facile method for the preparation of highly cross-linked microspheres by two-step dispersion polymerization of a chain transfer agent has been developed. The relationship between cross-linker and transfer has been studied in detail, and microspheres can be simultaneously maintained by adding the cross-linker ethylene glycol dimethacrylate (EGDMA) at concentrations of up to 10%.
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18 August 2021
A Correction to this paper has been published: https://doi.org/10.1007/s00396-021-04877-8
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Funding
This work was supported by the Youth Innovation Promotion Association, the Chinese Academy of Sciences (Grant No. 2019321), the Program of Jihua Laboratory (Grant No. X190161TD190), the Program of Suzhou biomedical and engineering institute (Grant No. E0550109 and No. Y851381105), and the Program of **an guoke medical engineering company (Grant No. Y95P031P05).
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The original online version of this article was revised: In this article the correction in affiliation assignment were incorrectly carried out. The authors list should be "Binbin Lv1, Hui Wang2,3, Liang He2, Xueyan Nan2, Tong Wang2, Zhizhou Liu2, Wei **a1, Pengli Bai2,4".
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Lv, B., Wang, H., He, L. et al. Application of chain transfer agents in the two-part dispersion polymerization of cross-linked polymer microspheres. Colloid Polym Sci 299, 1305–1313 (2021). https://doi.org/10.1007/s00396-021-04843-4
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DOI: https://doi.org/10.1007/s00396-021-04843-4