Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
1670062 | Thin Solid Films | 2010 | 4 Pages |
Abstract
Atomic layer deposition (ALD), electron beam evaporation, magnetron sputtering and a sol–gel method were used to deposit thin aluminum oxide coatings onto two different fiber-based packaging materials of commercial board grades coated with synthetic and biodegradable polymers. Significant decreases in both the water vapor and oxygen permeation rates were observed. With each technique the barrier performance was improved. However, among the techniques tested ALD was found to be most suitable. Our results moreover revealed that biodegradable polylactic acid-coated paperboard with a 25-nm thick layer of aluminum oxide grown by ALD on top of it showed promising barrier characteristics against water vapor and oxygen.
Keywords
Related Topics
Physical Sciences and Engineering
Materials Science
Nanotechnology
Authors
Terhi Hirvikorpi, Mika Vähä-Nissi, Ali Harlin, Maarit Karppinen,