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Title: Fluoroalkylated-GAP co-polymers (GAP-FP) as promising energetic binders
Authors: See, Anders Yang Feng
Pisharath, Sreekumar 
Ong, Yew Jin
Tay, Chor Yong 
Hng, Huey Hoon 
Keywords: Engineering::Materials::Functional materials
Issue Date: 2022
Source: See, A. Y. F., Pisharath, S., Ong, Y. J., Tay, C. Y. & Hng, H. H. (2022). Fluoroalkylated-GAP co-polymers (GAP-FP) as promising energetic binders. Reactive and Functional Polymers.
Journal: Reactive and Functional Polymers 
Abstract: The development of a novel energetic block co-polymer of Glycidyl Azide Polymer (GAP) and the fluoropolymer (FP) using the Boron trifluoride-tetrahydrofuranate complex/diol initiator system is reported herein. Well-defined compositions of the GAP-FP co-polymers in two different GAP to FP ratios (1:1 & 1:3) were synthesized by tailoring the desired molecular weights of each block in the co-polymer, demonstrating the synthetic versatility of such a co-polymer system. The resultant GAP-FP co-polymers represent a unique hybrid binder system with tunable energy releasing and oxidizing potentials intended for metallized formulations. Thermogravimetric analysis showed that the carbonaceous residue usually formed from the decomposition of GAP could be reduced significantly by the copolymerization with FP. Isoconversional method of kinetic analysis of the GAP-FP copolymers revealed an increasing dependence of the effective activation energy on the extent of conversion. The increasing dependence suggested a mechanism of the competing reactions that were found to be between the reactions of fluoropolymer triggered oxidation and intermolecular crosslinking of the polyimine intermediates formed from GAP decomposition that ultimately resulted in the reduction of the carbonaceous residue.
ISSN: 1381-5148
DOI: 10.1016/j.reactfunctpolym.2022.105415
Rights: © 2022 Published by Elsevier B.V. All rights reserved. This paper was published in Reactive and Functional Polymers and is made available with permission of Elsevier B.V.
Fulltext Permission: embargo_20240929
Fulltext Availability: With Fulltext
Appears in Collections:EnRI Journal Articles
MSE Journal Articles

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