Structuring of biopolymer products - Phase behaviour of polymer-solvent mixtures

3 important questions on Structuring of biopolymer products - Phase behaviour of polymer-solvent mixtures

What does a negative value of deltaHmix mean?

The mixture will mix and form one phase.
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What does the value of X1,2 mean?

  • Positive --> endothermic mixing (upon mixing, the temperature of the mixture decreases)
  • Negative --> exothermic mixing --> full miscibility
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What does the critical value X1,2c mean?

The critical value for phase separation. A lower value than the critical value, implies full mixing
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