Fabrication of highly crosslinked methacrylate-based polymer monoliths with well-defined macropores via living radical polymerization

George Hasegawa, Kazuyoshi Kanamori, Kazuki Nakanishi, Shigeru Yamago

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

Rigid methacrylate-based polymer monoliths with well-defined macropores have been synthesized from glycerol 1,3-dimethacrylate (GDMA) and trimethylolpropane trimethacrylate (Trim) by organotellurium-mediated living radical polymerization. In each system, poly(ethylene oxide) induced spinodal decomposition with the progress of polymerization of GDMA or Trim. Well-defined macroporous structure can be tailored by fixing the bicontinuous structure by the sol-gel transition. Both polymer monoliths possessed macropores with narrow size distributions and the macropore size can be controlled simply by varying the amount of poly(ethylene oxide). Starting from GDMA, polymer monoliths with unimodal macropores can be obtained due to the collapse of micro- and mesopores, which were originally embedded in macropore skeletons, by large shrinkage during drying. In contrast, starting from Trim, the obtained polymer monoliths include not only macropores but also micro- and mesopores, which lead to high specific surface area (470 m2 g-1), owing to the higher crosslinking density.

Original languageEnglish
Pages (from-to)4644-4647
Number of pages4
Journalpolymer
Volume52
Issue number21
DOIs
Publication statusPublished - Sep 29 2011

Fingerprint

Living polymerization
Methacrylates
Free radical polymerization
Polymers
Glycerol
Fabrication
Polyethylene oxides
Spinodal decomposition
Specific surface area
Crosslinking
Sol-gels
Drying
Polymerization

All Science Journal Classification (ASJC) codes

  • Organic Chemistry
  • Polymers and Plastics

Cite this

Fabrication of highly crosslinked methacrylate-based polymer monoliths with well-defined macropores via living radical polymerization. / Hasegawa, George; Kanamori, Kazuyoshi; Nakanishi, Kazuki; Yamago, Shigeru.

In: polymer, Vol. 52, No. 21, 29.09.2011, p. 4644-4647.

Research output: Contribution to journalArticle

Hasegawa, George ; Kanamori, Kazuyoshi ; Nakanishi, Kazuki ; Yamago, Shigeru. / Fabrication of highly crosslinked methacrylate-based polymer monoliths with well-defined macropores via living radical polymerization. In: polymer. 2011 ; Vol. 52, No. 21. pp. 4644-4647.
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