MilliporeSigma
  • Mesoscale pincushions, microrings, and microdots prepared by heating and peeling of self-organized honeycomb-patterned films deposited on a solid substrate.

Mesoscale pincushions, microrings, and microdots prepared by heating and peeling of self-organized honeycomb-patterned films deposited on a solid substrate.

Langmuir : the ACS journal of surfaces and colloids (2006-05-17)
Hiroshi Yabu, Masatsugu Shimomura
ABSTRACT

We describe here a preparation of pincushion structures with holes, hexagonally arranged microrings, and microdots by simple heating and peeling of self-organized honeycomb-patterned films. We have reported that the honeycomb-patterned films can be prepared by casting the solution of an amphiphilic polymer and a hydrophobic polymer under humid conditions. When annealing the honeycomb-patterned films prepared from an amphiphilic copolymer and poly(bisphenol A carbonate), we obtained a variety of mesoscale structures, depending on the heating temperatures. We revealed that these microstructures were formed by using the phase-separation structures in the self-organized honeycomb-patterned films. These micropatterns can be utilized for the template for microelectrodes, superhydrophobic surfaces, photonic crystals, and as a substrate for tissue engineering.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
Poly(Bisphenol A carbonate), melt index 10-12 g/10 min (300°C/1.2kg)
Sigma-Aldrich
Poly(Bisphenol A carbonate), average Mw ~45,000 by GPC
Supelco
Poly(Bisphenol A carbonate), analytical standard, molecular weight series
Supelco
Poly(Bisphenol A carbonate), analytical standard