Infrared Reflecting Complex Inorganic Colored Pigments

Detrie, Terry J.; Swiler, Dan

doi:10.1002/9783527626915.ch24

Cited by 5 publications

(2 citation statements)

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“…Regarding the red coatings, the product containing the NIR-reflective pigments possesses a greater concentration of iron respect to the Red standard layer. In fact, iron oxide (Fe 2 O 3 ) is widely used as a red pigment and it is considered also a NIR-reflective pigment [50]. The higher content of iron oxide should enhance the reflectivity in the IR range due to the increased opacity to IR [51].…”

Section: Sample Preparationmentioning

confidence: 99%

The Influence of NIR Pigments on Coil Coatings’ Thermal Behaviors

et al. 2020

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The effect of over-heating in urban areas, called the urban heat island effect (UHI effect), is responsible for greater energy consumption for cooling buildings. Several reflective near-infrared (NIR) coatings, called cool coatings have proved to be effective for contrasting the UHI effect. The thermal and appearance properties of cool coatings depend on the color and they often have been studied only at the initial state, without undergoing atmospheric degradation and soiling. In this work, the thermal, visual and durability behaviors of red and brown polyester-based organic coatings for roof applications were studied. All samples were subjected to accelerated degradation cycles composed of UV-B and salt spray chamber exposure. The sample degradation was assessed by infrared spectroscopy, gloss and colorimetric analyses. Moreover, the thermal behavior was studied by means of a simplified experimental setup. Finally, a soiling and weathering test was conducted to simulate the soiling of three years’ external exposure. Despite the phenomena of chemical degradation and a decrease in aesthetic properties, the samples maintain their thermal performance, which is not even influenced by dirt products. In addition, NIR pigments significantly improve the thermal behavior of brown coatings.

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Section: Sample Preparationmentioning

confidence: 99%

The Influence of NIR Pigments on Coil Coatings’ Thermal Behaviors

et al. 2020

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“…Architectural energy loss is so high that energy conservation is very urgent (Lijun et al, 2008). Infrared reflective and external thermal insulation compound system has become the most competitive system of construction energy saving wall in recent years (Wang and Yan, 2003;Panda and Chattopadhyay, 2004;Detrie and Swiler, 2009). Organic hollow microspheres are mostly composed of polystyrene, polyacrylonitrile or phenolic materials, while inorganic microspheres are glass, ceramic or made from fly ash from thermal power plants (Gade, 2011).…”

Section: Introductionmentioning

confidence: 99%

Effect of hollow glass microspheres and cenospheres on insulation properties of coatings

Sahu

Mahanwar

Bambole

2013

Pigment &Amp; Resin Technology

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Purpose -The purpose of this paper is to prepare heat insulating exterior emulsion coating and to study its heat insulating property along with mechanical, chemical and weathering resistance properties with varying amount of hollow glass microspheres and cenospheres. Design/methodology/approach -For heat insulating effect, various compositions were made by incorporating different proportions of hollow glass microspheres (HGM) and cenospheres (C). The mechanical, chemical, morphological and optical properties of the coating films were studied and compared. Findings -Addition of hollow glass microspheres and cenospheres enhanced heat insulating property of the coating, hardness, tensile strength and wet scrub resistance. It was evaluated that optimum loading for both cenospheres and hollow glass microspheres was 10 wt.% and both the systems showed good mechanical, chemical resistance and weathering properties. Practical implications -Addition of hollow glass microspheres and cenospheres to acrylic emulsion coating is a simple and inexpensive method. Originality/value -The new heat insulating coatings with good thermal insulation properties and improved weather resistance were prepared. These coatings could find applications in demanding fields such as exterior wall coatings and roof coatings.

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Pigments

2017

Organic Coatings

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Infrared Reflecting Complex Inorganic Colored Pigments

Cited by 5 publications

References 1 publication

The Influence of NIR Pigments on Coil Coatings’ Thermal Behaviors

The Influence of NIR Pigments on Coil Coatings’ Thermal Behaviors

Effect of hollow glass microspheres and cenospheres on insulation properties of coatings

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