The effects of intragallery polymerization on the structure of PMMA-clay nanocomposites

Lisa M. Stadtmueller*, Kyle R. Ratinac, Simon P. Ringer

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

41 Citations (Scopus)


In situ bulk polymerization of polymethylmethacrylate (PMMA)-clay nanocomposites was initiated with a benzoyl peroxide/amine redox couple at room temperature. This was accomplished with a newly synthesized cationic molecule - containing an aliphatic chain and an aromatic tertiary amine - that was ion exchanged onto the clay surface in order to control the rate of intragallery polymerization relative to that of extragallery polymerization. The rate and location of initiation significantly affected the degree of dispersion of the silicate layers. Accelerating intragallery polymerization of clay with low cation exchange capacity was found to produce the maximum interlayer distance as evident from transmission electron microscope images.

Original languageEnglish
Pages (from-to)9574-9584
Number of pages11
Issue number23
Publication statusPublished - 14 Nov 2005
Externally publishedYes


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