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BTRA Scan Editions

October 2022

BTRA Scan Articles - October 2022

Development of Bio-degradable Cotton Waste Based Super Oleophilic and Super Hydrophobic Sorbent for Oil Spill Clean-up

M.P Sathianarayanan & Karishma Hemani
Cotton waste, which is generated from various processes in a textile mill like carding, blow room, etc. was collected, cleaned, pre-treated, and processed in a carding machine to make the web. The cotton web was converted to a non-woven batt through a needle punching process.The non-woven fabric was chemically modified by treating it with silica nanoparticles synthesized via the Stober process followed by hexadecyltrimethoxysilane (HDTMS) treatment. The chemically functionalized fabric was showing super hydrophobic and super oleophilic property.

Evaluation of Geogrid as Reinforcement in Soil Layers using Light Weight Deflectometer and Field CBR Test

Sunil Dighe & Lekhaz Devulapalli
The inclusion of the geosynthetics as reinforcement in the pavement layer improves theperformance of pavement during its service life. In the present investigation, geogrid is addedas reinforcement in compacted layer of soil. Thelong-term performance of the pavement majorly depends on proper compaction of the pavement layers and reinforced material used in it. In this paper modulus and strength of the geogrid reinforced and unreinforced soil layers is investigated by using Light Weight Deflectometer (LWD) device and field California Bearing Ratio (CBR)test apparatus respectively.

Cure Kinetic Study of Unsaturated Polyester Resin

Amol G. Thite, Deepali M. More
An unsaturated polyester resin is one of the principal matrices used in fibres reinforced plastics (FRP) products. Being a prepolymer the cure kinetics plays an important role in making successful FRP products. Hence, this study deals with the cure kinetics of unsaturated polyester resin. It includes the optimization of gel time, curing time and temperature of it. The gel time, which indicates the formation of cross-linking structure, was studied by varying the weight percentage of the Methyl Ethyl Ketone Peroxide (MEKP) catalyst and Cobalt Octane accelerator.

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