Bilayer Formation by Aggregation of Polymeric Amphiphiles

Toyoki Kunitake, M. Nagai, H. Yanagi, K. Takarabe, Naotoshi Nakashima

研究成果: Contribution to journalArticle査読

33 被引用数 (Scopus)


Acrylic monomers possessing dialkyl(doub1e-chain) and singlechain tails were prepared. The tail portions are made of characteristic structures common to the hydrophobic portion of bilayer-forming amphiphiles.They are dialky(Cl2 to C18) chains connected by amide, glyceryl ether or glutamate moieties or single chains with rigid aromatic segments(azObenzene and biphenyl). These monomers were copolymerized by azobisisobutyronirile with hydrophilic monomers such as acrylamide, acrylglycinamide and other charged monomers.Copolymers which contain as much hydrophobic units as possible were dispersed in water by sonication.They formed the bilayer aggregate spontaneously, as confirmed by electron microscopy, differential scanning calorimetry and small-angle laser light scattering.On average, 102 to lo3 polymer molecules aggregate to form huge(molecu1ar weight, 106-108) bilayer aggregates. The bilayer assemblage of the polymeric amphiphiles appears to be inferior to that of the small-molecule counterparts, although introduction of the spacer between the polymer main chain and the side-chain portion improves the bilayer orgainzation.

ジャーナルJournal of Macromolecular Science: Part A - Chemistry
出版ステータス出版済み - 1 1 1984

All Science Journal Classification (ASJC) codes

  • Engineering(all)

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