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Influence of stabilizer additives on thermochromic coating for temperature monitoring

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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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Acknowledgments

The authors acknowledge financial support by the ANP (Agência Nacional do Petróleo, Gás Natural e Biocombustíveis), Tintas Farben®, and Programa de Recursos Humanos PRH 34 ANP/MCT.

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Authors and Affiliations

  1. Chemical and Food Engineering Department, Universidade Federal de Santa Catarina, Postal Box 476, Florianópolis, 88040-900, Brazil

    Aline Vieira de Souza, Alexsandra Valério, Jonatan Lincoln Oliveira Buske & Ricardo Antônio Francisco Machado

  2. Mechanical Engineering Department, Universidade Federal de Santa Catarina, Postal Box 476, Florianópolis, 88040-900, Brazil

    Mauro Eduardo Benedet

  3. Material Science Department, Universidade Federal do Rio Grande do Sul, Postal Box 540, Porto Alegre, 915401-000, Brazil

    Vinicius Pistor

Authors
  1. Aline Vieira de Souza
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  2. Alexsandra Valério
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  3. Jonatan Lincoln Oliveira Buske
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  4. Mauro Eduardo Benedet
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  5. Vinicius Pistor
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  6. Ricardo Antônio Francisco Machado
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Corresponding authors

Correspondence to Aline Vieira de Souza or Ricardo Antônio Francisco Machado.

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de Souza, A.V., Valério, A., Buske, J.L.O. et al. Influence of stabilizer additives on thermochromic coating for temperature monitoring. J Coat Technol Res 13, 1139–1144 (2016). https://doi.org/10.1007/s11998-016-9811-7

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  • DOI: https://doi.org/10.1007/s11998-016-9811-7

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