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Fabrication and mechanical/thermal properties of composites from cotton linter and urea formaldehyde resin

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Title Fabrication and mechanical/thermal properties of composites from cotton linter and urea formaldehyde resin
 
Creator Rahman, Moshiur
Khan, G M Arifuzzaman
Razzaque, S M Abdur
Haque, M Ahsanul
Gafur, M A
Alam, M Shamsul
 
Subject Composite
Cotton linters
Microcrystalline cellulose
Mechanical properties
Thermal properties
Urea formaldehyde resin
 
Description 326-333
The aim of this study is to prepare composite from commercial valueless cotton linter cellulose (CLC) of textile mills and garment industries, and urea formaldehyde (UF) resin. The alkali-treated cellulose (ATC), bleached cellulose (BLC) and microcrystalline cellulose (MCC) have been prepared from CLC. A novel fabrication method of CLC, ATC, BLC and MCC reinforced with urea formaldehyde resin has been developed. These composites are subsequently subjected to evaluation of their mechanical (tensile, flexural, hardness) and thermal (TGA, DTA, DTG) properties. The MCC-UF composites show the highest tensile strength (TS), flexural strength (FS) and Vickers micro hardness number (VHN) having the corresponding values 48.09 MPa, 34.05 MPa and 521.33 VHN respectively. The lowest mechanical values are found for CLC-UF composites (TS 32.96 MPa, FS 21.28 MPa and VHN 201.00). It is also revealed that the mechanical properties of the composites increase with the increase in fibre loading up to 5% and beyond this loading, these values are decreased. The morphological changes in flexural fractured surface are clearly observed by scanning electron microscopy measurement. The thermal stability of the composites is influenced by the filler content. The thermal stability of MCC-UF composite is found slightly higher than those of other composites.
 
Date 2022-09-05T09:05:22Z
2022-09-05T09:05:22Z
2022-09
 
Type Article
 
Identifier 0971-0426 (Print); 0975-1025 (Online)
http://nopr.niscpr.res.in/handle/123456789/60474
https://doi.org/10.56042/ijftr.v47i3.51398
 
Language en
 
Publisher NIScPR-CSIR,India
 
Source IJFTR Vol.47(3) [Sep 2022]