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14-09-2016 | Brief Communication

Influence of stabilizer additives on thermochromic coating for temperature monitoring

Authors: Aline Vieira de Souza, Alexsandra Valério, Jonatan Lincoln Oliveira Buske, Mauro Eduardo Benedet, Vinicius Pistor, Ricardo Antônio Francisco Machado

Published in: Journal of Coatings Technology and Research | Issue 6/2016

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Abstract

Compounds based on smart materials are functional structures that can be used as thermochromic sensors for temperature monitoring in equipment such as pipelines, motors, and heat exchangers. We developed thermochromic coatings based on 1,3,3-trimethylindolino-β-naphthopyrylospiran acrylic polyurethane with and without 2-(2H-benzotriazol-2-yl)-4,6-ditertpentylphenol photostabilizer additives and antioxidant butylated hydroxytoluene and applied them on stainless-steel plates by the spray lay-up method. The samples were analyzed using a weathering chamber with UVA and UVB radiation to monitor their degradation process, revealing complete degradation of the coating without antioxidant and photostabilizer, leading to loss of its thermochromic characteristic.

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Metadata
Title
Influence of stabilizer additives on thermochromic coating for temperature monitoring
Authors
Aline Vieira de Souza
Alexsandra Valério
Jonatan Lincoln Oliveira Buske
Mauro Eduardo Benedet
Vinicius Pistor
Ricardo Antônio Francisco Machado
Publication date
14-09-2016
Publisher
Springer US
Published in
Journal of Coatings Technology and Research / Issue 6/2016
Print ISSN: 1547-0091
Electronic ISSN: 1935-3804
DOI
https://doi.org/10.1007/s11998-016-9811-7

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