Preparation and Properties of Photochromic Blue Microcapsules

Guang-ling, Pei

doi:10.3993/jfbi06201107

Cited by 2 publications

(2 citation statements)

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“…The colour change was reversible and sensitive, in accordance with the photochromic properties of microcapsules. The reversible colour changes in photochromic wood material were similar to those in photochromic textiles, glasses, and windows (Qiao et al 2011;Eppig et al 2012;Meng et al 2013). As the addition of microcapsules increased from 2.5% to 10%, the intensity of the blue colour increased.…”

Section: Photochromic Propertiesmentioning

confidence: 54%

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Development of Photochromic Wood Material by Microcapsules

Lyu

et al. 2016

BioResources

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To develop a smart, colour-changing wood material, photochromic microcapsules were incorporated into coatings while painting veneered plywood. The properties of microcapsules and coatings were investigated. The colour-changing behaviour of the photochromic wood material in response to sunlight exposure was evaluated. The microcapsules exhibited sensitive colour-changing function and had good thermal stability. The prepared photochromic wood material spontaneously altered its appearance from the veneer colour to a blue colour following intensity changes of the sunlight exposure on the sample. The incorporation of microcapsules had no obvious effect on coating adhesion, but it obviously reduced coating wearability. With the microcapsule content increasing from 2.5% to 10% (of the coating weight), the colour difference (ΔE) of photochromic wood stimulated by sunlight linearly increased from 7.45 to 21.58. The performance of the prepared photochromic wood material can be adjusted by controlling the addition amount of microcapsules.

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Section: Photochromic Propertiesmentioning

confidence: 54%

“…3). The average microcapsule diameter was 3.28 μm, which was comparable to microcapsules of similar composition (Qiao et al 2011;Zhou et al 2013). The size of the photochromic microcapsules was noticeably smaller than the coating thickness (dozens of microns to over 100 μm) for wood materials.…”

Section: Microcapsule Characteristicsmentioning

confidence: 63%