Question

Calculate the solubility parameter of polyisobutene from Table 3.3. How does this value compare with that shown in Figure 3.2
340 SH Table 3.3 Group molar attraction constants at 25°C (according to Small; derived from measurement of heat of evaporatio
[yl, 100 cm/gm 8 (cal/cms) Figure 3.2 Determination of the solubility parameter, using the intrinsic viscosity method (8), fo
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Answer #1

S = 1 {G 2 Ol, - c 56 Molecular w • CH2 - P = 0.94 cm3 1 133 193 428 654 - CH₂ s = 0.94 X 654 8 = 10.97 Intrinsic miscosity m

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