Resources Contact Us Home
Large-scale colloidal crystals and macroporous polymers and method for producing

Image Number 16 for United States Patent #8133923.

Single domain wafer-scale colloidal crystals and macroporous polymers are formed by dispersing concentrated solutions of colloids, desirably monodisperse silica colloids, in a viscous monomer, desirably ethoxylated trimethylolpropane triacrylate, and spin-coating them onto a substrate. Subsequent photopolymerization produces three-dimensionally ordered colloidal crystals trapped inside a polymer matrix. Selective removal of the polymer matrix, such as by oxygen plasma treatment, or removal of the silica spheres, such as by wet etching, produces large-area colloidal crystals and macroporous polymers, respectively.

  Recently Added Patents
Fuel cell support structure
Storage basket with lid
Method for isomerisation of hop alpha-acids using heterogeneous alkaline earth metal based catalysts
Method for forming pattern
Etching method, etching apparatus, and computer-readable recording medium
Case for a tablet computer
Powerline communication device with load characterization functionality
  Randomly Featured Patents
Pilot valve assembly
Chirurgical lame shaver
Impact assisted segmented cutterhead
Account transaction system
Protective handwear
Polycarboxylic acid production system employing enhanced multistage oxidative digestion
Tray for quartz crystals
Interleaved signal trace routing
Parts washing system
Home coffee grinder