Structure Formation and Optical Activity of Cellulose Acetate Modified by the Vapors of Mesophasogenic Solvents View Full Text


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Article Info

DATE

2004-09

AUTHORS

A. B. Shipovskaya, G. N. Timofeeva

ABSTRACT

The effect of the vapors of mesophasogenic solvents, i.e., forming a lyotropic liquid-crystal phase with a polymer, on the structure formation and optical activity of acetate cellulose is studied. It is established that the action of vapors of such a type is accompanied by changes in the supramolecular structure of cellulose ester and spatial organization of macromolecules. Modification of a polymer by vapors of the mixtures of mesophasogenic solvents and water does not decrease (but in some cases enhances) the observed effects. As for individual solvents, the action of their mixtures with water obeys the “dose–effect” law, with a greater influence of small doses of absorbed vapors on the polymer structure and optical activity. The implementation of such conditions makes it possible to purposefully create different structures based on the same polymeric matrix and, thus, produce materials with improved properties and new functional potentialities. More... »

PAGES

621-628

Identifiers

URI

http://scigraph.springernature.com/pub.10.1023/b:coll.0000043846.91899.fb

DOI

http://dx.doi.org/10.1023/b:coll.0000043846.91899.fb

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1008676727


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