✦ LIBER ✦

Predicting solubilities of vinyl polymers

✍ Scribed by A. J. Manning; F. Rodriguez

Publisher: John Wiley and Sons
Year: 1973
Tongue: English
Weight: 521 KB
Volume: 17
Category: Article
ISSN: 0021-8995
DOI: 10.1002/app.1973.070170602

No coin nor oath required. For personal study only.

✦ Synopsis

Accurate solubility limits of polymers are best expressed by molecular weight fractionation curves. Individual curves may be obtained for each polymer-solvent (-nonsolvent) system. A method for predicting solubility behavior, based on solubility parameter 6 and hydrogen bonding index y, is proposed here. The correlation is of the form TbQ)

[q] = o;f.)(.b+R)

where [q] = intrinsic viscosity of precipitated polymer; T = absolute temperature; (v.f.) = volume fraction of solvent; R = (6, -6,) -0.3(7. -7,); Q = ( 7 ,y e ) 2 . 2 /

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