Microencapsulation of a crop protection compound by initiated chemical vapor deposition

Macromolecular Rapid Communications
Ranjita K BoseKenneth K S Lau

Abstract

In this work, initiated chemical vapor deposition (iCVD) has been employed as a one-step liquid-free process combining polymerization and coating for the encapsulation of 3D non-planar substrates. Coatings have been applied using iCVD specifically to encapsulate microparticles of a highly water-soluble crop protection compound (CPC) for controlled release. Release behavior has been compared among different coatings synthesized using different iCVD processing conditions, including varying degrees of polymer hydrophobicity, continuous and pulsed deposition, and crosslinking. iCVD has been found to provide tunable synthesis of hydrophobic, crosslinked polymers with control over mass diffusivity, and coating thickness for enhancing barrier properties.

References

Oct 21, 1999·Journal of Controlled Release : Official Journal of the Controlled Release Society·C S KwokB D Ratner
Aug 23, 2005·Journal of Controlled Release : Official Journal of the Controlled Release Society·Elena V PiletskaSergey A Piletsky
Sep 7, 2005·Langmuir : the ACS Journal of Surfaces and Colloids·Kelvin Chan, Karen K Gleason
Nov 11, 2006·Biomaterials·T P MartinK K Gleason
Apr 25, 2007·Langmuir : the ACS Journal of Surfaces and Colloids·Wyatt E Tenhaeff, Karen K Gleason

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Citations

May 13, 2014·Macromolecular Rapid Communications·Christy D PetruczokKaren K Gleason
Sep 26, 2020·Pharmaceutics·Katrin Unger, Anna Maria Coclite
Feb 27, 2021·Frontiers in Bioengineering and Biotechnology·Karen K Gleason

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