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Titanium dioxide and zinc oxide nano-particulate enhanced oil-in-water (O/W) facade emulsions for improved masonry thermal insulation and protection

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Titanium dioxide and zinc oxide nano-particulate enhanced oil-in-water (O/W) facade emulsions for improved masonry thermal insulation and protection. / MacMullen, James; Zhang, Zhongyi; Radulovic, Jovana; Herodotou, C.; Totomis, M.; Dhakal, Hom; Bennett, Nick.

In: Energy and Buildings, Vol. 52, 09.2012, p. 86-92.

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@article{d5e25aec8fce473997f2f61369ab0b16,
title = "Titanium dioxide and zinc oxide nano-particulate enhanced oil-in-water (O/W) facade emulsions for improved masonry thermal insulation and protection",
abstract = "This paper presents the evaluation of titanium dioxide and zinc oxide nano-particulate aqueous facade emulsions for water repellent and thermal insulation applications. Treated bricks were assessed by; thermal conductivity, water contact angle (WCA), water vapour permeation, water absorption and treatment depth measurements. In addition, a theoretical model was produced which was used to evaluate possible financial and energy saving potential of such treatments. Nano-particulate emulsions showed a 5% water beading improvement over the emulsion control. Thermal insulation of the treated samples improved significantly in wet conditions and was attributed to reduced water ingress. The titanium dioxide treatment showed approximately 45% lower sorptivity values compared to the emulsion control. Each emulsion achieved 13–14 mm treatment penetration while still allowing water vapour permeation to occur. Theoretical modelling showed that all emulsions reduced energy consumption considerably allowing real financial savings to be made. Nano-particulate emulsions improved saving potential against the emulsion control by approximately 32%.",
author = "James MacMullen and Zhongyi Zhang and Jovana Radulovic and C. Herodotou and M. Totomis and Hom Dhakal and Nick Bennett",
year = "2012",
month = sep,
language = "English",
volume = "52",
pages = "86--92",
journal = "Energy and Buildings",
issn = "0378-7788",
publisher = "Elsevier BV",

}

RIS

TY - JOUR

T1 - Titanium dioxide and zinc oxide nano-particulate enhanced oil-in-water (O/W) facade emulsions for improved masonry thermal insulation and protection

AU - MacMullen, James

AU - Zhang, Zhongyi

AU - Radulovic, Jovana

AU - Herodotou, C.

AU - Totomis, M.

AU - Dhakal, Hom

AU - Bennett, Nick

PY - 2012/9

Y1 - 2012/9

N2 - This paper presents the evaluation of titanium dioxide and zinc oxide nano-particulate aqueous facade emulsions for water repellent and thermal insulation applications. Treated bricks were assessed by; thermal conductivity, water contact angle (WCA), water vapour permeation, water absorption and treatment depth measurements. In addition, a theoretical model was produced which was used to evaluate possible financial and energy saving potential of such treatments. Nano-particulate emulsions showed a 5% water beading improvement over the emulsion control. Thermal insulation of the treated samples improved significantly in wet conditions and was attributed to reduced water ingress. The titanium dioxide treatment showed approximately 45% lower sorptivity values compared to the emulsion control. Each emulsion achieved 13–14 mm treatment penetration while still allowing water vapour permeation to occur. Theoretical modelling showed that all emulsions reduced energy consumption considerably allowing real financial savings to be made. Nano-particulate emulsions improved saving potential against the emulsion control by approximately 32%.

AB - This paper presents the evaluation of titanium dioxide and zinc oxide nano-particulate aqueous facade emulsions for water repellent and thermal insulation applications. Treated bricks were assessed by; thermal conductivity, water contact angle (WCA), water vapour permeation, water absorption and treatment depth measurements. In addition, a theoretical model was produced which was used to evaluate possible financial and energy saving potential of such treatments. Nano-particulate emulsions showed a 5% water beading improvement over the emulsion control. Thermal insulation of the treated samples improved significantly in wet conditions and was attributed to reduced water ingress. The titanium dioxide treatment showed approximately 45% lower sorptivity values compared to the emulsion control. Each emulsion achieved 13–14 mm treatment penetration while still allowing water vapour permeation to occur. Theoretical modelling showed that all emulsions reduced energy consumption considerably allowing real financial savings to be made. Nano-particulate emulsions improved saving potential against the emulsion control by approximately 32%.

M3 - Article

VL - 52

SP - 86

EP - 92

JO - Energy and Buildings

JF - Energy and Buildings

SN - 0378-7788

ER -

ID: 159313