Effect Of Organic Modifi Ers On Dispersion Of Organoclay In Polymer Nanocomp Osites To Improve Mechanic Al Properties
Student Team/ Author :
kinjal J Shah,Dinesh O Shah,atindra D Shukla,atindra D Shukla
Guide By :
dinesh O Shah and Atindra D. Shukla
Degree :
College :
SSCSSN, DDU
The hydrophilic/hydrophobic organoclays with varying quaternary ammonium substituents (QAS) were
successfully synthesized and used as filler in unsaturated polyester (UPE) resin-organoclay nanocomposites to enhance mechanical properties. The organoclay-BQASMMT18 (octadecyldimethylbenzylammonium bromide modified montmorillonite) with only 3 wt% in the UPE enhanced tensile strength,
tensile modulus, flexural strength and elongation at break by the order of 4.6, 2.4, 2 and 2.4, respectively
compared to the pristine UPE. The tensile strength and hardness of the UPE-organoclay nanocomposites
were increased with increase in organoclay content in the nanocomposites. However, the tensile and
flexural strength decreased with increased loading of BQASMMT18 from 3% to 5 wt% due to less dispersibility of organoclay in nanocomposites. Moreover, dispersibility of hydrophobic organoclays in UPE
nanocomposite is higher with respect of hydrophilic and pristine clay.
Focusing on Mechanical Properties,
Focusing dispersion of clay in metrix of polymer by changing clay modifier.
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