Bio-Based Mono- and Difunctional Phthalonitrile Resin Foams

IF 2.7 3区化学 Q2 POLYMER SCIENCE

Journal of Applied Polymer Science Pub Date : 2025-01-16 DOI:10.1002/app.56660

Caleb M. Bunton, James D. Sitter, Tyler J. Richardson, Jennifer L. Dysart, Grant C. Daniels, Olufolasade F. Atoyebi, Matthew Laskoski

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引用次数: 0

Abstract

The development of two new bio-based phthalonitrile (PN) resin foams with intrinsic blowing agents is reported. The resins were characterized via attenuated total reflectance-Fourier transform infrared spectroscopy (ATR-FTIR), nuclear magnetic resonance (NMR), pycnometry, differential scanning calorimetry (DSC), thermogravimetric analysis (TGA), rheometry, and compression testing. The porosity of 3-[4-(3,4-Dicyanophenoxy)phenyl]-2-propenoic acid-phthalonitrile CAPN and 3-[3,4-di(3,4-Dicyanophenoxy)phenyl]-2-propenoic acid-phthalonitrile CFPN were calculated to be 0.610 and 0.437 respectively. Thermal and thermooxidative stability was determined for both resins under nitrogen and air environments. CAPN and CFPN displayed final char yields of 67% and 69% under nitrogen environments while the T _d,5% under air environments were 200°C and 360°C respectively. Finally, compression analysis shows the CAPN to be a stiffer material than the larger CFPN foam resin.

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来源期刊

Journal of Applied Polymer Science 化学-高分子科学

CiteScore

5.70

自引率

10.00%

发文量

1280

审稿时长

2.7 months

期刊介绍： The Journal of Applied Polymer Science is the largest peer-reviewed publication in polymers, #3 by total citations, and features results with real-world impact on membranes, polysaccharides, and much more.