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Cyclic Silicone vs. Volatile Silicone
Posted: October 20, 2008
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Volatile silicones relate to materials that have a low heat of vaporization and the ability to select a desired vapor pressure; they therefore evaporate from the skin quickly, providing a dry feel. They can be linear or cyclic. Low viscosity silicone fluids are volatile but not cyclic. An example is 0.65 viscosity silicone fluid, sometimes called MM.
In general, volatile and cyclic are two different concepts that are applied to molecules. There are cyclic silicones that are not volatile, there are volatile silicones that are cyclic, and there are materials that are both.
1. US Patent Application 20070196309