کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7824090 | 1502863 | 2018 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Effects of γ-ray treatment on paper
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
شیمی آلی
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
The effects of γ-irradiation and thermal drying treatments at an industrial level, and accelerated ageing on the properties of pure cellulose paper are investigated with a multi-disciplinary approach. Viscometry is used for measuring the degree of polymerisation, visible reflectance spectroscopy for colour changes, tensile strength and tearing resistance tests for mechanical properties, Fourier transform IR spectroscopy and scanning electron microscopy for possible chemical or physical modifications of the surface. The results indicate that γ-rays (5 and 10â¯kGy) cause a sizeable reduction of the degree of polymerisation, but only small colour changes, while larger effects on the colour are caused by the synergetic effect of ageing. In spite of the large degree of polymerisation decrease, γ-irradiation is found to only slightly affect the mechanical properties, as well as thermal and ageing treatments. No clear evidence for changes in the FTIR spectral features due to the treatments employed is found.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Polymer Degradation and Stability - Volume 150, April 2018, Pages 25-30
Journal: Polymer Degradation and Stability - Volume 150, April 2018, Pages 25-30
نویسندگان
Floriana Coppola, Flavia Fiorillo, Alberto Modelli, Matteo Montanari, Mariangela Vandini,