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Novel degradable polymer networks containing acetal components

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Abstract

A novel copolymer network with acetal structure was prepared using bis[4-(vinyloxy)butyl] (4-methyl-1,3-phenylene)biscarbamate (BECT) as the crosslinking agent. Firstly, a tri-copolymer of maleic anhydride (MAn), n-butyl vinyl ether (BVE) and 4-hydroxybutyl vinyl ether (HBVE) was synthesized via free-radical polymerization with 2,2′-azobisisobutyronitrile as the initiator. The tri-copolymer consisted of two sorts of alternating units, MAn-alt-BVE and MAn-alt-HBVE. The linear copolymer Poly((MAn-alt-BVE)-co-(MAn-alt-HBVE)) with pending hydroxyl groups was then combined with BECT in the presence of pyridinium p-toluenesulfonate, generating a copolymer network comprising acetal components in the crosslinking segment. This polymer network exhibited degradation in acid conditions.

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  1. State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, China

    XinCe Sui, Yan Shi & ZhiFeng Fu

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  1. XinCe Sui
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  2. Yan Shi
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  3. ZhiFeng Fu
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Sui, X., Shi, Y. & Fu, Z. Novel degradable polymer networks containing acetal components. Sci. China Chem. 54, 419–425 (2011). https://doi.org/10.1007/s11426-011-4223-0

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  • DOI: https://doi.org/10.1007/s11426-011-4223-0

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