NDLI: Non-Isothermal Degradation Kinetics of High Energy Protons Irradiated Polyvinyl

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Non-Isothermal Degradation Kinetics of High Energy Protons Irradiated Polyvinyl

Content Provider	Semantic Scholar
Author	Fathollahi, M. Behnejad, Hassan Shadman, Mohd
Copyright Year	2015
Abstract	This research is aimed to undertake a comparative study on stability and thermal degradation kinetics of un-irradiated and high energy protons irradiated polyvinyl butyral (PVB) based on weight loss analysis and non-isothermal approaches. The weight loss by the unirradiated PVB upon heating was found to be in two stages but due to high energy protons accelerated exposure following by chemical etching, this weight loss transition proceeds in a major one stage with increases in the highest rate of weight loss temperature. In addition, the samples were analyzed using the FT-IR spectroscopy technique to illustrate the stability of irradiated-chemical etched PVB, and also elucidate the mechanism of degradation. The effect of irradiation on the surface of PVB films was investigated by scanning electron microscope (SEM) after and before irradiation. The kinetic triplet and other related thermal kinetic parameters of un-irradiated and irradiated-chemical etched PVB films are presented and compared together. The results showed that due to high energy protons irradiation exposure following by chemical etching, the thermal stability of the PVB film is significantly increased.
File Format	PDF HTM / HTML
Alternate Webpage(s)	https://rtis2.ut.ac.ir/media/?activity_id=94001517&f_name=paper_upload&path=uploads/articles/papers/fatholahi2014.pdf
Language	English
Access Restriction	Open
Subject Keyword	Chemical vapor deposition Electron Probe Microanalysis Elegant degradation Energy, Physics Etching (microfabrication) Excited state Free Radicals Heating Heparin, Low-Molecular-Weight How Much Distress Weight Loss How Often Weight Loss Ions Kinesiology Kinetics (discipline) Kinetics Internet Protocol Microscope Device Component Microscopes, Electron, Scanning Occur (action) Polyvinyl Alcohol Polyvinyls Protons Published Comment TBX1 wt Allele Thermogravimetry Triplet state Truevision TGA bleomycin/cisplatin/vinblastine protocol dolutegravir polyvinylbutyral
Content Type	Text
Resource Type	Article

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