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Title: An investigation on thermophysical behaviours of some fibres readily available in the north eastern region of India by various physical methods
Researcher: Talukdar, Chitralekha
Guide(s): Bora, Mohendra Nath
Keywords: Fibres
University: Gauhati University
Completed Date: 30/09/1993
Abstract: The organic complexes taken for the present investigations are the locally available natural ( Plant and Silk ) fibres which are composed of macromolecular crystall-ographic structures. The readily available synthetic Polyester fibres are also used for their thermo-physical studies so as to findout the means about the possibility of blending of these fibres with natural fibres for their textile and other industrial utilities. Detailed studies on thermal behaviours of the plant ( Ramie, Jute and Cotton ) and synthetic Polyester fibres under different conditions have been under taken by various methods such as X-ray diffraction ( XRD ), Scanning Electron Microscopy ( SEM ), Infrared ( IR ) Spectroscopy, Differential Thermal Analysis ( DTA ), Differential Scanning Calorimetry ( DSC ), Thermo-gravimetry ( TG ), Derivative Thermo- gravimetry (DTG), Dielectric properties and DC Conductivity Analysis. In addition to the plant fibres, the locally available silk fibres ( Muga, Eri and Pat ) are also used to study the various thermo dynamical properties. Some portions of each fibrous raw products, collected from different localities of North Eastern Region of India, have been degummed. The thermal treatments ( Such as annealing and quenching ) of some part of the fibres have been made upto the temperature quite below to their decomposition points. The crystallinity and structural behaviours of raw, degummed and thermally treated fibrous samples have been studied by X-ray diffraction analysis. The detection of functional groups and their behaviours under different thermal conditions have been made by infrared spectroscopy. The surface features have been studied by Scanning Electron Microscopic photographs. The detailed investigations on thermodynamical properties of silk, plant and synthetic fibres have been carriedout by DTA, DSC, TG and DTG techniques. The experiments have been carriedout in the temperature range from 298K to 673K. The two steps activities dehydration and decomposition attributed in natural fibres. The...
Appears in Departments:Department of Physics

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01_title page.pdfAttached File21.55 kBAdobe PDFView/Open
02_certificate.pdf27.23 kBAdobe PDFView/Open
03_acknowledgement.pdf23.77 kBAdobe PDFView/Open
04_abstract.pdf51.57 kBAdobe PDFView/Open
05_list of publication.pdf20.43 kBAdobe PDFView/Open
06_content.pdf77.24 kBAdobe PDFView/Open
07_chapter 1.pdf204.26 kBAdobe PDFView/Open
08_chapter 2.pdf678.75 kBAdobe PDFView/Open
09_chapter 3.pdf705.83 kBAdobe PDFView/Open
10_results and discussion.pdf1.98 MBAdobe PDFView/Open
11_conclusion.pdf50.01 kBAdobe PDFView/Open
12_references.pdf157.62 kBAdobe PDFView/Open
13_appendix.pdf1.58 MBAdobe PDFView/Open
14_.pdf15 BAdobe PDFView/Open

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