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International Journal of Polymer Science
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International Journal of Polymer Science
/
2012
/
Article
/
Tab 7
/
Research Article
Studies on the Transport of Aromatic Solvents through Filled Natural Rubber
Table 7
Values of enthalpy of absorption (
), entropy of absorption (
), and Gibbs free energy (
) of snail shell powder filled natural rubber (filler particle size, 0.075
μ
m).
Solvent
Fillercontent (g)
(KJ/mol)
(J/mol)
(KJ/mol)
2
28.74 × 10
2
18.85
28.68 × 10
2
5
22.42 × 10
2
16.81
22.37 × 10
2
Benzene
10
18.93 × 10
2
15.11
18.89 × 10
2
15
32.83 × 10
2
19.08
31.74 × 10
2
20
7.81 × 10
2
11.37
7.77 × 10
2
2
26.42 × 10
2
18.41
26.36 × 10
2
5
25.72 × 10
2
17.75
25.67 × 10
2
Toluene
10
23.05 × 10
2
16.34
23.00 × 10
2
15
24.05 × 10
2
16.80
24.00 × 10
2
20
32.83 × 10
2
19.72
32.77 × 10
2
2
8.77 × 10
2
13.38
8.73 × 10
2
5
14.48 × 10
2
14.61
14.44 × 10
2
Xylene
10
18.09 × 10
2
15.20
18.05 × 10
2
15
5.57 × 10
2
11.54
5.53 × 10
2
20
9.82 × 10
2
12.33
9.78 × 10
2