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Updated: Sep 26, 2026

Isolation and Compositional Analysis of Plant Cuticle Lipid Polyester Monomers
Published on: November 22, 2015
Chemical compositional separation of styrene-methyl methacrylate copolymers using high-performance liquid
Eiichi Kawai1, Kumiko Shimoyama, Kenji Ogino
1Graduate School of Bio-Applications and Systems Engineering, Tokyo University of Agriculture and Technology, Koganei, Tokyo 184-8588, Japan.
Abstract:
Chromatographic separation of styrene-methyl methacrylate (MMA) copolymers depending on the chemical composition was studied using liquefied carbon dioxide as an adsorption promoting solvent, and tetrahydrofuran, chloroform containing ethanol as a desorption promoting solvent in the mobile phase and the column packed non-bonded silica gel by a solvent gradient method. With the increase of MMA content, the elution was retarded indicating that the typical normal-phase type of adsorption occurred. The effects of type of desorption solvents, molecular mass of sample, and column temperature on the elution were investigated.
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