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Effect of polydispersity on huggins coefficient of polystyrene solutions

โœ Scribed by K.K. Chee

Publisher
Elsevier Science
Year
1989
Tongue
English
Weight
254 KB
Volume
25
Category
Article
ISSN
0014-3057

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โœฆ Synopsis

A recent model for the variation of the Huggins coefficient, k, with the molecular weight of a polymer is modified by considering the effect of polydispersity. It is shown that the value of k for polymer solutions is lowered significantly by the existence of a molecular weight distribution. The proposed equation is applicable to whole polymers of styrene in a wide variety of solvents.

๐Ÿ“œ SIMILAR VOLUMES

The effect of concentration on diffusion
The effect of concentration on diffusion coefficient in polymer solutions
โœ Robert M. Secor ๐Ÿ“‚ Article ๐Ÿ“… 1965 ๐Ÿ› American Institute of Chemical Engineers ๐ŸŒ English โš– 527 KB

A, is partitioned as shown by the cross hatching and modified to produce the second base case A, of Figure 6. The cycle is now pseudo node a indicated in Figure 4. Operations are continued up to k ' when another cycle is located consisting of nodes 9, 10, 12, and pseudo node a. A? is partitioned an