NDLI: Physicochemical properties of microcrystalline nitrocellulose from Alfa grass fibres and its thermal stability

Content Provider	Springer Nature Link
Author	Trache, Djalal Khimeche, Kamel Mezroua, Abderrahmane Benziane, Mokhtar
Copyright Year	2016
Abstract	The conventional cellulose nitrate (NC), used in many applications such as coating agent, main charge of propellant, museum artefacts, biofilter material, solid-phase immobilization supports for proteins, was mainly prepared from wood or cotton. The conventional NC presents many drawbacks such as low density, high friability and low combustion temperature. One approach to improve these shortcomings is the modification of the structure of the NC precursor (cellulose). In this work, microcrystalline cellulose nitrate was successfully produced from an inexpensive and easily renewable source which is Alfa grass. Fourier transform infrared spectroscopy indicates some modifications in the peak positions and intensities, suggesting that a significant difference between conventional and microcrystalline cellulose nitrate samples exists. According to X-ray diffraction results, microcrystalline cellulose nitrate samples were more crystalline than the conventional cellulose nitrate samples, where the increase of the crystallinity is 22 %. The morphology was investigated using scanning electron microscopy, showing a compact structure and a rough surface. In comparison with the commercial nitrocellulose material, the microcrystalline cellulose nitrate particles have good thermal stability, low viscosity, high nitrogen content and important quantity of gas released. Besides on these results, Alfa microcrystalline cellulose nitrate showed tremendous potential use as a propellant and gas generator component or other high value-added applications.
Starting Page	1485
Ending Page	1496
Page Count	12
File Format	PDF
ISSN	13886150
Journal	Journal of thermal analysis
Volume Number	124
Issue Number	3
e-ISSN	15882926
Language	English
Publisher	Springer Netherlands
Publisher Date	2016-02-08
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Nitrocellulose Crystallinity Nitrogen content Thermal stability Kinetic parameters Physical Chemistry Analytical Chemistry Polymer Sciences Inorganic Chemistry Measurement Science and Instrumentation
Content Type	Text
Resource Type	Article
Subject	Physical and Theoretical Chemistry Condensed Matter Physics

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