issn: 2278-6252 coating of nonwoven materials for ... - Garph.co.uk
issn: 2278-6252 coating of nonwoven materials for ... - Garph.co.uk
issn: 2278-6252 coating of nonwoven materials for ... - Garph.co.uk
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Tensile strength (kgf)<br />
International Journal <strong>of</strong> Advanced Research in<br />
Engineering and Applied Sciences ISSN: <strong>2278</strong>-<strong>6252</strong><br />
180<br />
160<br />
140<br />
120<br />
100<br />
80<br />
60<br />
40<br />
20<br />
0<br />
Effect <strong>of</strong> <strong>co</strong>ncentration on Tensile strength<br />
Tensile strength<br />
0 10 20 30 40 50 60 70 80 90<br />
Concentration (g/l)<br />
Fig 4.8:- Effect <strong>of</strong> <strong>co</strong>ncentration <strong>of</strong> PU on Tensile strength <strong>of</strong> fabric.<br />
From Table 4.8 and Figure 4.8 indicate that as the <strong>co</strong>ncentration <strong>of</strong> PU increases from 10 g/l<br />
to 90g/l, the tensile strength values increased from 113.25 to 159.11 respectively. The<br />
maximum tensile strength value was found to be 159.11 <strong>for</strong> 90 g/l PU <strong>co</strong>ncentrations at 1<br />
mm <strong>of</strong> thickness. The increase in tensile strength values may be due to the presence PU<br />
which <strong>for</strong>ms a <strong><strong>co</strong>ating</strong> layer on the fabric surface. Also curing temperature may attribute to<br />
higher cross linking efficiency and more energy is required to break the film <strong>for</strong>med at<br />
higher <strong>co</strong>ncentration.<br />
For 0.5 mm Thickness<br />
Table 4.9 Effect <strong>of</strong> <strong>co</strong>ncentration <strong>of</strong> PU on Add on % <strong>of</strong> fabric.<br />
Concentration (g/l)<br />
0 10 20 30 40 50 60 70 80 90<br />
Add on<br />
%<br />
0 1.13 2.22 3 4.24 5.14 6.51 7 8 9.38<br />
Vol. 2 | No. 6 | June 2013 www.garph.<strong>co</strong>.<strong>uk</strong> IJAREAS | 48