首页|Filtration performance of needle-punched nonwoven air filter media through dyeing process
Filtration performance of needle-punched nonwoven air filter media through dyeing process
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NETL
NSTL
Natl Inst Science Communication-Niscair
Viscose fibre has been dyed with various dye concentrations and the needle-punched nonwoven fabrics are prepared using the dyed fibre, keeping machine parameters the same. The physical properties, such as tenacity & bursting strength, and functional performance properties, such as mean flow pore size, filtration efficiency & pressure drop, are measured. It is found that the dyeing plays a big role in altering the overall performance of the needle-punched nonwoven. The tenacity of the needle-punched nonwoven fabric is reduced as dye concentration is increased. Filtration efficiency is measured for three different sizes of particles, namely 3 mu m, 5 mu m, and 10 mu m. For all three cases, the filtration efficiency is increased initially till 3% dye concentration and beyond that it is reduced.
NETL
NSTL
Natl Inst Science Communication-Niscair
