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- Lower_critical_solution_temperature abstract "The lower critical solution temperature (LCST) or lower consolute temperature is the critical temperature below which the components of a mixture are miscible for all compositions. The word lower indicates that the LCST is a lower bound to a temperature interval of partial miscibility, or miscibility for certain compositions only.The phase behavior of polymer solutions is an important property involved in the development and design of most polymer-related processes. Partially miscible polymer solutions often exhibit two solubility boundaries, the upper critical solution temperature (UCST) and the lowercritical solution temperature (LCST), which both depend on the molar mass and the pressure. At temperatures below LCST, the system is completely miscible in all proportions, whereas above LCST partial liquid miscibility occurs.In the phase diagram of the mixture components, the LCST is the shared minimum of the concave up spinodal and binodal (or coexistence) curves. It is in general pressure dependent, increasing as a function of increased pressure.For small molecules, the existence of an LCST is much less common than the existence of an upper critical solution temperature (UCST), but some cases do exist. For example, the system triethylamine-water has an LCST of 19 °C, so that these two substances are miscible in all proportions below 19 °C but not at higher temperatures. The nicotine-water system has an LCST of 61 °C, and also a UCST of 210 °C at pressures high enough for liquid water to exist at that temperature. The components are therefore miscible in all proportions below 61 °C and above 210 °C (at high pressure), and partially miscible in the interval from 61 to 210 °C.".
- Lower_critical_solution_temperature thumbnail LCST-UCST_plot.svg?width=300.
- Lower_critical_solution_temperature wikiPageID "18166009".
- Lower_critical_solution_temperature wikiPageRevisionID "603242752".
- Lower_critical_solution_temperature hasPhotoCollection Lower_critical_solution_temperature.
- Lower_critical_solution_temperature subject Category:Critical_phenomena.
- Lower_critical_solution_temperature type CriticalPhenomena.
- Lower_critical_solution_temperature type Phenomenon100034213.
- Lower_critical_solution_temperature type PhysicalEntity100001930.
- Lower_critical_solution_temperature type Process100029677.
- Lower_critical_solution_temperature comment "The lower critical solution temperature (LCST) or lower consolute temperature is the critical temperature below which the components of a mixture are miscible for all compositions. The word lower indicates that the LCST is a lower bound to a temperature interval of partial miscibility, or miscibility for certain compositions only.The phase behavior of polymer solutions is an important property involved in the development and design of most polymer-related processes.".
- Lower_critical_solution_temperature label "Kritische Lösungstemperatur".
- Lower_critical_solution_temperature label "Lower critical solution temperature".
- Lower_critical_solution_temperature sameAs Kritische_Lösungstemperatur.
- Lower_critical_solution_temperature sameAs m.04cxr9l.
- Lower_critical_solution_temperature sameAs Q1645085.
- Lower_critical_solution_temperature sameAs Q1645085.
- Lower_critical_solution_temperature sameAs Lower_critical_solution_temperature.
- Lower_critical_solution_temperature wasDerivedFrom Lower_critical_solution_temperature?oldid=603242752.
- Lower_critical_solution_temperature depiction LCST-UCST_plot.svg.
- Lower_critical_solution_temperature isPrimaryTopicOf Lower_critical_solution_temperature.
