Term: polymer-poor phase
https://doi.org/10.1351/goldbook.P04744

Definition:
That phase of a two-phase equilibrium system, consisting of a polymer and low molecular weight material, in which the polymer concentration is lower. The use of the name 'sol phase' is discouraged. Synonymous with dilute phase.

Related Terms:
1) molecular weight (http://doi.org/10.1351/goldbook.M04000).
2) sol (http://doi.org/10.1351/goldbook.S05727).

Source: Purple Book, 1st ed., p. 68 (http://old.iupac.org/publications/books/author/metanomski.html)

Citation: 'polymer-poor phase' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.P04744

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