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Indian Journal of Fibre & Textile Research (IJFTR) >
IJFTR Vol.35 [2010] >
IJFTR Vol.35(1) [March 2010] >
| Title: | Thermal insulation, compression and air permeability of polyester needle-punched nonwoven |
| Authors: | Debnath, Sanjoy
Madhusoothanan, M |
| Keywords: | Air permeability
Cluster analysis
Compression
Cotton
Fibre cross-sectional shape
Needle-punched nonwoven
Polyester fibre
Thermal insulation value |
| Issue Date: | Mar-2010 |
| Publisher: | CSIR |
| Abstract: | The normal round, circular hollow and
trilobal cross-sectional shaped polyester fibres have been used to prepare
needle-punched nonwoven fabrics for technical textile application. Effects of
fabric weight and fibre cross-sectional shapes on thermal insulation value
(TIV), fabric thickness, density, percentage compression, air permeability and
sectional air permeability (SAP) have been studied. Comparison between Marsh
and plate methods of TIV measurement has also been studied along with the
inter-relation and grouping of parameters using correlation matrix and cluster
analysis approach respectively. The TIV, thickness, density, air permeability
and SAP fall under different sub-cluster but all these parameters are dependent
on fabric weight. Plate method of TIV measurement is preferred over Marsh TIV
measurement because of the easy preparation of samples and the reason that the
samples retain their original properties and it gives more accurate results.
Trilobal fabric sample shows highest TIV, thickness and percentage compression
followed by regular and hollow polyester needle-punched fabrics. Thermal
insulation value, thickness and density of the fabric increase but percentage
compression, air permeability and SAP decrease with the increase in fabric
weight. The fabric thickness is significantly correlated with fabric weight and
TIV. Fabric weight versus air permeability and fabric density versus SAP are
negatively correlated with significant correlation coefficient. |
| Page(s): | 38-44 |
| ISSN: | 0975-1025 (Online); 0971-0426 (Print) |
| Source: | IJFTR Vol.35(1) [March 2010]
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