Preparation of P(GMA-co-EGDMA) Monolithic Columns with Adjustable Porous Properties

Abstract:

Porous properties have notable effect on separating effect of organic polymer-based monolithic column. Different applications of monolithic columns require tailored pore size distributions. On account of that, P(GMA-co-EGDMA) monolithic columns were prepared with novel ternary porogenic agents. Glass tubes was chosen as polymerization mold. Moreover, factors influencing the inner pore morphology, pore size and specific surface area were investigated systematically. The results showed that the increasing of the solubility of porogenic agents and the amount of crosslinker, the decreasing of the amount of porogenic agents and temperature rising all could give rise to the decreasing of pore size. Remarkably, the effect of initiator was studied for the first time. The results showed that amount of initiator had no remarkable influence on porous properties. By controlling effect factors, P(GMA-co-EGDMA) Monolithic Columns with pore size from dozens to thousands of nanometer, which can be applied in separation of molecules with different size.

• Periodical: Advanced Materials Research (Volume 936)
• Pages: 942-949
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.936.942
• Online since: June 2014
• Authors: Hao Tian Zhang, Qiu Yu Zhang*, Bao Liang Zhang, Chun Mei Li
• Keywords: Adjustable Porous Properties, Monolithic Column, Polyacrylate, Porogenic System

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