UV-cured, flexible, and transparent nanocomposite coating with remarkable oxygen barrier

Adv Mater. 2012 Apr 24;24(16):2142-7. doi: 10.1002/adma.201104781. Epub 2012 Mar 19.

Abstract

A polymer-layered silicate nanocomposite coating is prepared by combining a novel synthetic lithium-hectorite and an UV-curable, cationic polyurethane. Oxygen transmission measurements clearly indicate the supremacy of the lithium-hectorite as compared to a standard montmorillonite. In addition, a very high degree of optical transparency of the nanocomposite coating is achieved, rendering this material highly interesting for flexible packaging and encapsulation applications.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Aluminum Silicates / chemistry
  • Clay
  • Lithium / chemistry
  • Nanocomposites / chemistry*
  • Nanotechnology / methods*
  • Oxygen / chemistry*
  • Photochemical Processes*
  • Polymers / chemistry
  • Silicates / chemistry
  • Ultraviolet Rays*

Substances

  • Aluminum Silicates
  • Polymers
  • Silicates
  • hectorite
  • Lithium
  • Oxygen
  • Clay