Qi, H. Y.; Liang, C. X.; Chen, M. S.; Huang, Y. B.; Yang, W. T. A simple approach for preparation of high-yield butadiene-maleic anhydride copolymer microspheres by suppressing diels-alder reaction. Chinese J. Polym. Sci. 2025, 43, 468–476
Hong-Yi Qi, Chen-Xi Liang, Ming-Sen Chen, et al. A Simple Approach for Preparation of High-yield Butadiene-Maleic Anhydride Copolymer Microspheres by Suppressing Diels-Alder Reaction[J]. Chinese Journal of Polymer Science, 2025, 43(3): 468-476.
Qi, H. Y.; Liang, C. X.; Chen, M. S.; Huang, Y. B.; Yang, W. T. A simple approach for preparation of high-yield butadiene-maleic anhydride copolymer microspheres by suppressing diels-alder reaction. Chinese J. Polym. Sci. 2025, 43, 468–476DOI: 10.1007/s10118-025-3282-1.
Hong-Yi Qi, Chen-Xi Liang, Ming-Sen Chen, et al. A Simple Approach for Preparation of High-yield Butadiene-Maleic Anhydride Copolymer Microspheres by Suppressing Diels-Alder Reaction[J]. Chinese Journal of Polymer Science, 2025, 43(3): 468-476.DOI: 10.1007/s10118-025-3282-1.
A Simple Approach for Preparation of High-yield Butadiene-Maleic Anhydride Copolymer Microspheres by Suppressing Diels-Alder Reaction
we clarified the factors on the butadiene-maleic anhydride copolymerization and DA reaction
and proposed a two-step method to suppress the DA reaction and achieve high-yield production (~85 %) of cross-linked microspheres with controllable particle size (175 ~ 800 nm) by 2SP polymerization.
Abstract
The burgeoning ethylene production in the Asia-Pacific region has led to a substantial oversupply of butadiene as a byproduct
and it is highly important to develop new butadiene-based materials. Butadiene-maleic anhydride copolymer
characterized by its amphiphilic nature
shows potential applications in adhesives
emulsifiers
etc
. However
the Diels-Alder (DA) react
ion of butadiene and maleic anhydride competes with the polymerization
limiting the copolymer yield. In this study
the kinetics of the DA reaction and copolymerization between butadiene and maleic anhydride were examined
and the influence of various reaction conditions on the copolymer yield was investigated. We found that the DA reaction in the induction period of the radical polymerization was the critical factor in limiting copolymer yield. Therefore
we proposed the two-step method to suppress the DA reaction and achieve high-yield production (~85%) of cross-linked microspheres with controllable particle size (175−800 nm) by self-stabilized precipitation polymerization. This work enables an efficient synthesis of conjugated diolefin-maleic anhydride cross-linked microspheres
offering a novel approach to address the issue of butadiene overcapacity.
关键词
Keywords
references
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