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Compressional behaviour of Needle-punched Nonwoven Fabric (Paperback)
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Compressional behaviour of Needle-punched Nonwoven Fabric (Paperback)
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Compressional behaviour has been studied during tensile loading
with respect to mass per unit area, needling density, depth of
penetration, wetting of fabric etc. Empirical equations for
compression and recovery curves of needle punched nonwoven fabrics
from jute, jute-polypropylene blend and polypropylene have been
suggested and behaviours are described with two dimensionless
parameters and . A mathematical model has been developed relating
the compressional behaviour and parameters, i.e. needling density,
depth of penetration and mass per unit area of jute needle punched
nonwoven. A good correlation has been observed between
compressional parameter ( ) or recovery parameter ( ) and the
properties i.e. tenacity, elongation-at-break, energy to break, air
permeability and thermal insulation of jute needle punched nonwoven
fabrics. Effect of repeated compression-recovery cycles, dynamic
loading, rate of deformation, ultimate compressional load, duration
of loading, duration after recovery and comparison between
different testing principles have been studied and analysed.
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