Development of paints with infrared radiation reflective properties
<title>Abstract</title><p>Large buildings situated in hot regions of the Globe need to be agreeable to their residents. Air conditioning is extensively used to make these buildings comfortable, with consequent energy consumption. Absorption of solar visible and infrared radiations...
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Associação Brasileira de Polímeros
2015-06-01
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doaj-2a05ded1b74147469299fd984b19823b2020-11-24T23:07:13ZengAssociação Brasileira de PolímerosPolímeros1678-51692015-06-0125330531010.1590/0104-1428.1869S0104-14282015000300010Development of paints with infrared radiation reflective propertiesEliane CoserVicente Froes MoritzArno KrenzingerCarlos Arthur Ferreira<title>Abstract</title><p>Large buildings situated in hot regions of the Globe need to be agreeable to their residents. Air conditioning is extensively used to make these buildings comfortable, with consequent energy consumption. Absorption of solar visible and infrared radiations are responsible for heating objects on the surface of the Earth, including houses and buildings. To avoid excessive energy consumption, it is possible to use coatings formulated with special pigments that are able to reflect the radiation in the near- infrared, NIR, spectrum. To evaluate this phenomenon an experimental study about the reflectivity of paints containing infrared-reflective pigments has been made. By irradiating with an IR source and by measuring the surface temperatures of the samples we evaluated: color according to ASTM D 2244-14, UV/VIS/NIR reflectance according to ASTM E 903-12 and thermal performance. Additionally, the spectral reflectance and the IR emittance were measured and the solar reflectance of the samples were calculated. The results showed that plates coated with paints containing IR-reflecting pigments displayed lower air temperature on the opposite side as compared to conventional coatings, indicating that they can be effective to reflect NIR and decrease the temperature of buildings when used in roofs and walls.</p>http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0104-14282015000300010&lng=en&tlng=encool paintsnear-infrared reflectancesolar spectral reflectancecool pigmentscolored reflecting pigments |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Eliane Coser Vicente Froes Moritz Arno Krenzinger Carlos Arthur Ferreira |
spellingShingle |
Eliane Coser Vicente Froes Moritz Arno Krenzinger Carlos Arthur Ferreira Development of paints with infrared radiation reflective properties Polímeros cool paints near-infrared reflectance solar spectral reflectance cool pigments colored reflecting pigments |
author_facet |
Eliane Coser Vicente Froes Moritz Arno Krenzinger Carlos Arthur Ferreira |
author_sort |
Eliane Coser |
title |
Development of paints with infrared radiation reflective properties |
title_short |
Development of paints with infrared radiation reflective properties |
title_full |
Development of paints with infrared radiation reflective properties |
title_fullStr |
Development of paints with infrared radiation reflective properties |
title_full_unstemmed |
Development of paints with infrared radiation reflective properties |
title_sort |
development of paints with infrared radiation reflective properties |
publisher |
Associação Brasileira de Polímeros |
series |
Polímeros |
issn |
1678-5169 |
publishDate |
2015-06-01 |
description |
<title>Abstract</title><p>Large buildings situated in hot regions of the Globe need to be agreeable to their residents. Air conditioning is extensively used to make these buildings comfortable, with consequent energy consumption. Absorption of solar visible and infrared radiations are responsible for heating objects on the surface of the Earth, including houses and buildings. To avoid excessive energy consumption, it is possible to use coatings formulated with special pigments that are able to reflect the radiation in the near- infrared, NIR, spectrum. To evaluate this phenomenon an experimental study about the reflectivity of paints containing infrared-reflective pigments has been made. By irradiating with an IR source and by measuring the surface temperatures of the samples we evaluated: color according to ASTM D 2244-14, UV/VIS/NIR reflectance according to ASTM E 903-12 and thermal performance. Additionally, the spectral reflectance and the IR emittance were measured and the solar reflectance of the samples were calculated. The results showed that plates coated with paints containing IR-reflecting pigments displayed lower air temperature on the opposite side as compared to conventional coatings, indicating that they can be effective to reflect NIR and decrease the temperature of buildings when used in roofs and walls.</p> |
topic |
cool paints near-infrared reflectance solar spectral reflectance cool pigments colored reflecting pigments |
url |
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0104-14282015000300010&lng=en&tlng=en |
work_keys_str_mv |
AT elianecoser developmentofpaintswithinfraredradiationreflectiveproperties AT vicentefroesmoritz developmentofpaintswithinfraredradiationreflectiveproperties AT arnokrenzinger developmentofpaintswithinfraredradiationreflectiveproperties AT carlosarthurferreira developmentofpaintswithinfraredradiationreflectiveproperties |
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