Controlled Amine Functionalization and Hydrophilicity of a Poly(lactic acid) Fabric
Authors:
- 7 August 2009
- journal article
- research article
- Published by Wiley in Plasma Processes and Polymers
- Vol. 6 (8) , 490-497
Abstract
The surface of PLA fabric has been successfully modified by pulsed plasma polymerization of heptylamine (PPHA) giving increased hydrophilicity and achieving a sufficient level of primary amine functionality (3.5%) for practical application in biotechnology. This is the first report that the density of primary amine (–NH2) in PPHA, quantified by chemical derivatization, can be controlled by selection of pulsed plasma conditions. The duty cycle and the average RF power were the key parameters for achieving both a higher density of primary amine and increased hydrophilicity. magnified imageKeywords
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