Microencapsulation of Limonene for Textile Application

Polyurethane−urea microcapsules with limonene oil as the active agent were produced by interfacial polymerization, and their suitability for textile applications was studied. Experimental conditions for the textile substrates impregnation were based on industrial requirements and set up at laborator...

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Bibliographic Details
Published in:Industrial & engineering chemistry research 2008-06, Vol.47 (12), p.4142-4147
Main Authors: Rodrigues, Sofia N, Fernandes, Isabel, Martins, Isabel M, Mata, Vera G, Barreiro, Filomena, Rodrigues, Alirio E
Format: Article
Language:English
Subjects:
Applied sciences
Chemical engineering
Exact sciences and technology
Materials and Interfaces
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Summary:Polyurethane−urea microcapsules with limonene oil as the active agent were produced by interfacial polymerization, and their suitability for textile applications was studied. Experimental conditions for the textile substrates impregnation were based on industrial requirements and set up at laboratory scale using a mini-foulard. The success of the polymerization reaction leading to the formation of the polyurethane−urea shell was checked by Fourier transform infrared spectroscopy. Particle size distributions and morphology of the microcapsules were studied using a particle size analyzer (Coulter LS230), optical microscopy, and scanning electron microscopy. The effectiveness of the textiles impregnation and the durability of the impregnation effect were evaluated by scanning electron microscopy and by headspace/GC/FID. Under the present research, a product was developed and its performance, in regard to industrial requirements, was successfully tested.
ISSN:0888-5885
1520-5045
DOI:10.1021/ie800090c