Batch swell mechanism

O.l-OAmmolg-1. The CLEAR family supports swell in a broad range of hydro-phobic and hydrophilic solvents and has excellent physical and mechanical properties for both batch-wise and continuous-flow systems. 

For useful application therefore it is essential for gel-type resins to swell in the reaction medium. This automatically limits their use to such media. In contrast, macroporous resins will sorb essentially all solvents into their pore structure, and so the same restriction on the reaction medium does not apply. The necessary swelling of gel-type resins also results in them being compressible. While this can be advantageous in minimising mechanical attrition in batch reactions it can present back-pressure problems when the resins are used in columns. Macroporous species on the other hand are fairly rigid, and change their total volume only marginally... 

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