Thermoreversible gelation of isotropic and liquid crystalline solutions of a 'sticky' rodlike polymer

Document Type

Article

Publication Date

6-13-2000

Abstract

Thermoreversible gelation of rodlike poly(γ-stearyl-α-L-glutamate) in n-dodecane has been studied by differential scanning calorimetry, polarized light microscopy, visual observations, and temperature ramped fluorescence photobleaching recovery. Solutions spanning a wide range of concentrations can produce gels. In solutions that are initially liquid crystalline, long-range features such as cholesteric twist appear to be frozen by gelation. Although gelation is rapid, some of the polymer molecules retain significant mobility, allowing the gels to 'cure' slowly.

Publication Source (Journal or Book title)

Macromolecules

First Page

4427

Last Page

4432

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