Thermal stability of filler‐based ethylene/vinyl acetate/vinyl alcohol terpolymer in nitroplasticizer oxidative environment

Yang, Dali; Henderson, Kevin C.; Pacheco, Robin M.; Hubbard, Kevin M.; Devlin, David J.

doi:10.1002/vnl.21888

Thermal stability of filler‐based ethylene/vinyl acetate/vinyl alcohol terpolymer in nitroplasticizer oxidative environment

Journal Article · Sat Dec 25 00:00:00 EST 2021 · Journal of Vinyl & Additive Technology

DOI:https://doi.org/10.1002/vnl.21888· OSTI ID:1837485

^[1]; Henderson, Kevin C. ^[2]; Pacheco, Robin M. ^[3]; Hubbard, Kevin M. ^[1]; Devlin, David J. ^[1]

MST‐7: Engineered Materials, Division of Materials Science Los Alamos National Laboratory Los Alamos New Mexico USA
MPA‐Q: MPA‐Quantum, Division of Materials Physics and Application Los Alamos National Laboratory Los Alamos New Mexico USA
Sigma‐1: Fabrication Manufacturing Science, Division of Materials Science Los Alamos National Laboratory Los Alamos New Mexico USA

Abstract

To study the thermal stability of ethylene/vinyl acetate/vinyl alcohol (EVA‐OH) composite with filler particles, systematic thermogravimetric analysis (TGA) investigation was conducted in both nonisothermal and isothermal modes. The effect of polymer concentration on the aging behavior of EVA‐OH was investigated in the nitroplasticizer (NP) environment. Fourier transform infrared spectroscopy was used to probe chemical structural changes in the EVA‐OH polymer before and after thermal aging. The results suggest that filler addition accelerates the rate of NP exudation out of the EVA‐OH composites and deteriorates the thermal stability of NP at moderate temperatures (up to 70°C). The degradation of NP, in turn, accelerates the degradation of EVA‐OH polymer in its composite form through oxidation and hydrolysis indicating the importance of antioxidants in such phase blends.

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Research Organization:: Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)

Sponsoring Organization:: USDOE; USDOE National Nuclear Security Administration (NNSA)

Grant/Contract Number:: 89233218CNA000001

OSTI ID:: 1837485

Alternate ID(s):: OSTI ID: 1837486
OSTI ID: 1865031

Report Number(s):: LA-UR-21-30087

Journal Information:: Journal of Vinyl & Additive Technology, Journal Name: Journal of Vinyl & Additive Technology Journal Issue: 2 Vol. 28; ISSN 1083-5601

Publisher:: Wiley Blackwell (John Wiley & Sons)Copyright Statement

Country of Publication:: United States

Language:: English

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36 MATERIALS SCIENCE
degradation
diffusion
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migration
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thermal stability

Thermal stability of filler‐based ethylene/vinyl acetate/vinyl alcohol terpolymer in nitroplasticizer oxidative environment

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