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Reaction-induced Phase Separation in Modified Thermosetting Polymers by Roberto J. J. Williams; Boris A. Rozenberg; Jean-Pierre Pascault is a book available to read on EtoBox.

What is Reaction-induced Phase Separation in Modified Thermosetting Polymers about?

Thermosetting polymers are frequently used in formulations, including rubbers, thermoplastic polymers or oils, etc, in an amount of the order of 2-50 wt% with respect to the thermoset. This extra component, called the modifier, may initially be immiscible or may phase-separate during cure. This last process, i.e. the reaction-induced phase separation, is the subject of this review. A thermodynamic description of the process is made, using the Flory-Huggins equation at two approximation levels, i.e. a quasi-binary approach and a multicomponent treatment taking polydispersity of constituents into account. Thermodynamic factors affecting the phase separation process are thus established. Nucleation and growth (NG) and spinodal demixing (SD) are considered as possible phase separation mechanisms. Factors promoting one or the other process are discussed. The control of morphologies generated is analyzed on the basis of thermodynamic and kinetic arguments. Ideas for obtaining particular morphologies enhancing particular properties are put forward. R.J.J. Williams et al. 2.1.3 2.1.4 2.1.5 2.1.6 2.1.7 2.1.8

Author

Roberto J. J. Williams; Boris A. Rozenberg; Jean-Pierre Pascault

Publisher

Springer-Verlag : Springer e-books

Published

1997

Language

EN

ISBN

9783540683742

Subjects

Science, Chemistry, Engineering

Updated

2026-03-24