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Organogels
meodingu Thu Oct 28, 2010 9:58 am
Organogels
An organogel is a non-crystalline, non-glassy thermoreversible (thermoplastic) solid material composed of a liquid organic phase entrapped in a three-dimensionally cross-linked network. The liquid can be, for example, an organic solvent, mineral oil, or vegetable oil. The solubility and particle dimensions of the structurant are important characteristics for the elastic properties and firmness of the organogel. Often, these systems are based on self-assembly of the structurant molecules.[3][4]
Organogels have potential for use in a number of applications, such as in pharmaceuticals,[5] cosmetics, art conservation,[6] and food.[7] An example of formation of an undesired thermoreversible network is the occurrence of wax crystallization in petroleum.[8]
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An organogel is a non-crystalline, non-glassy thermoreversible (thermoplastic) solid material composed of a liquid organic phase entrapped in a three-dimensionally cross-linked network. The liquid can be, for example, an organic solvent, mineral oil, or vegetable oil. The solubility and particle dimensions of the structurant are important characteristics for the elastic properties and firmness of the organogel. Often, these systems are based on self-assembly of the structurant molecules.[3][4]
Organogels have potential for use in a number of applications, such as in pharmaceuticals,[5] cosmetics, art conservation,[6] and food.[7] An example of formation of an undesired thermoreversible network is the occurrence of wax crystallization in petroleum.[8]
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