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Polymers 2018, 10(3), 239; https://doi.org/10.3390/polym10030239

Ring-Opening Polymerization of 1,3-Benzoxazines via Borane Catalyst

Department of Chemistry, Istanbul Technical University, Maslak, Istanbul 34469, Turkey
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Received: 13 February 2018 / Revised: 22 February 2018 / Accepted: 24 February 2018 / Published: 27 February 2018
(This article belongs to the Special Issue Thermosets)
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Abstract

Tris(pentafluorophenyl)borane was used as Lewis acid catalyst to lower the ring opening polymerization temperature (ROP) of 1,3-benzoxazines. Dynamic scanning calorimeter studies revealed that on-set ROP temperatures were decreased as much as 98 °C for model benzoxazine compounds. Catalytic polymerization was traced by both FTIR and 1H NMR, and revealed that tris(pentafluorophenyl)borane acted rapidly and fast curing achieved. Moreover, thermal properties of resulting polybenzoxazines were investigated by thermogravimetric analysis (TGA) and found out that the catalyst has high impact on char yield and even 3 mol % catalyst augmented char yields up to 13%. View Full-Text
Keywords: ring-opening polymerization; benzoxazines; polybenzoxazines; curing temperature; tris(pentafluorophenyl)borane ring-opening polymerization; benzoxazines; polybenzoxazines; curing temperature; tris(pentafluorophenyl)borane
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Arslan, M.; Kiskan, B.; Yagci, Y. Ring-Opening Polymerization of 1,3-Benzoxazines via Borane Catalyst. Polymers 2018, 10, 239.

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