Alternating ring-opening copolymerization of epoxides with saturated and unsaturated cyclic anhydrides: reduced viscosity poly(propylene fumarate) oligomers for use in cDLP 3D printing
文献信息
发布日期
2020-04-21
DOI
10.1039/D0PY00453G
影响因子
5.582
作者
Matthew L. Becker
查看原文
摘要
A ring-opening copolymerization of propylene oxide with saturated and unsaturated anhydrides using Mg(BHT)2(THF)2 catalyst followed by an isomerization yields poly(propylene fumarate) (PPF) oligomers with well-defined molecular mass, narrow molecular mass distribution, quantitative end-group fidelity, and a reduced viscosity compared to PPF. Mass spectrometry analyses and kinetic studies show that the resulting copolymers have gradient compositional sequencing. The lower viscosity of the statistical copolymer affords 3D printing with a lower diluent fraction (30 wt%) and higher molecular mass copolymer in the resin formulations. We also show that the mechanical properties of the printed structures can be tailored according to the monomer composition and resin formulation.
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来源期刊
Polymer Chemistry
CiteScore:
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自引率:
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Polymer Chemistry welcomes submissions in all areas of polymer science that have a strong focus on macromolecular chemistry. Manuscripts may cover a broad range of fields, yet no direct application focus is required.
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