Synthesis of hyperbranched polycarbonate by novel polymerization of di-tert-butyl tricarbonate with 1,1,1-tris(4-hydroxyphenyl)ethane

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Abstract

Hyperbranched polycarbonates (HBPCs) with Mn = 2.1-7.1 × 103 were synthesized by A2+B3 polymerization using di-tert-butyl tricarbonate as the A2 monomer and 1,1,1-tris(4-hydroxyphenyl)ethane as the B3 monomer. A 2+B3 polymerization with different feed ratios was achieved, controlling the degree of branching (DB) and the ratio of terminal functional groups. The DB of the HBPCs is 0.5-0.7. The Boc-terminated PC was prepared by either a 1-pot or a 2-pot synthesis. In contrast, PC with terminal phenol groups was prepared by deprotection of Boc-terminated PC. © The Society of Polymer Science, Japan (SPSJ) All rights reserved.

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Miyasaka, M., Takazoe, T., Kudo, H., & Nishikubo, T. (2010). Synthesis of hyperbranched polycarbonate by novel polymerization of di-tert-butyl tricarbonate with 1,1,1-tris(4-hydroxyphenyl)ethane. Polymer Journal, 42(11), 852–859. https://doi.org/10.1038/pj.2010.82

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