Photo-crosslinkable NIR-absorbing window with environmental stability

Hyunmin Hwang; Moon Sung Kang; Jong Hun Han; Kwonwoo Shin; Jeong Ho Cho

doi:10.1108/03699421311317334

Photo-crosslinkable NIR-absorbing window with environmental stability

Hyunmin Hwang, Moon Sung Kang, Jong Hun Han, Kwonwoo Shin, Jeong Ho Cho

Department of Chemical and Biomolecular Engineering

Research output: Contribution to journal › Article

Abstract

Purpose - The authors aimed to develop environmentally stable NIR-absorbing windows by blending a near-infrared (NIR)-absorbing dye and a photo-crosslinkable polymer. Design/methodology/approach - To prepare an environmentally stable NIR-absorbing window, a NIR-absorbing dye was mixed with crosslinkable poly(vinyl cinnamate) (PVCn). The crosslinking of PVCn was carried out by photo-dimerisation reaction of cinnamate with UV-exposure at a wavelength of 254?nm for 4?min. Findings - The resistance of the photo-crosslinked hybrid films against humidity, heat, and ultraviolet radiation damage was improved dramatically relative to the pristine NIR-absorbing dye. These improvements result from the protection of NIR-absorbing dye to moisture exposure in the presence of the polymer network. Originality/value - The simple and practical method resulted in a dramatic improvement in the environmental stability of NIR-absorbing window.

Original language	English
Pages (from-to)	170-174
Number of pages	5
Journal	Pigment and Resin Technology
Volume	42
Issue number	3
DOIs	https://doi.org/10.1108/03699421311317334
Publication status	Published - 2013 Aug 26

All Science Journal Classification (ASJC) codes

Surfaces, Coatings and Films
Materials Chemistry

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Hwang, H., Kang, M. S., Han, J. H., Shin, K., & Cho, J. H. (2013). Photo-crosslinkable NIR-absorbing window with environmental stability. Pigment and Resin Technology, 42(3), 170-174. https://doi.org/10.1108/03699421311317334

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abstract = "Purpose - The authors aimed to develop environmentally stable NIR-absorbing windows by blending a near-infrared (NIR)-absorbing dye and a photo-crosslinkable polymer. Design/methodology/approach - To prepare an environmentally stable NIR-absorbing window, a NIR-absorbing dye was mixed with crosslinkable poly(vinyl cinnamate) (PVCn). The crosslinking of PVCn was carried out by photo-dimerisation reaction of cinnamate with UV-exposure at a wavelength of 254?nm for 4?min. Findings - The resistance of the photo-crosslinked hybrid films against humidity, heat, and ultraviolet radiation damage was improved dramatically relative to the pristine NIR-absorbing dye. These improvements result from the protection of NIR-absorbing dye to moisture exposure in the presence of the polymer network. Originality/value - The simple and practical method resulted in a dramatic improvement in the environmental stability of NIR-absorbing window.",

author = "Hyunmin Hwang and Kang, {Moon Sung} and Han, {Jong Hun} and Kwonwoo Shin and Cho, {Jeong Ho}",

year = "2013",

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AU - Hwang, Hyunmin

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AU - Han, Jong Hun

AU - Shin, Kwonwoo

AU - Cho, Jeong Ho

PY - 2013/8/26

Y1 - 2013/8/26

N2 - Purpose - The authors aimed to develop environmentally stable NIR-absorbing windows by blending a near-infrared (NIR)-absorbing dye and a photo-crosslinkable polymer. Design/methodology/approach - To prepare an environmentally stable NIR-absorbing window, a NIR-absorbing dye was mixed with crosslinkable poly(vinyl cinnamate) (PVCn). The crosslinking of PVCn was carried out by photo-dimerisation reaction of cinnamate with UV-exposure at a wavelength of 254?nm for 4?min. Findings - The resistance of the photo-crosslinked hybrid films against humidity, heat, and ultraviolet radiation damage was improved dramatically relative to the pristine NIR-absorbing dye. These improvements result from the protection of NIR-absorbing dye to moisture exposure in the presence of the polymer network. Originality/value - The simple and practical method resulted in a dramatic improvement in the environmental stability of NIR-absorbing window.

AB - Purpose - The authors aimed to develop environmentally stable NIR-absorbing windows by blending a near-infrared (NIR)-absorbing dye and a photo-crosslinkable polymer. Design/methodology/approach - To prepare an environmentally stable NIR-absorbing window, a NIR-absorbing dye was mixed with crosslinkable poly(vinyl cinnamate) (PVCn). The crosslinking of PVCn was carried out by photo-dimerisation reaction of cinnamate with UV-exposure at a wavelength of 254?nm for 4?min. Findings - The resistance of the photo-crosslinked hybrid films against humidity, heat, and ultraviolet radiation damage was improved dramatically relative to the pristine NIR-absorbing dye. These improvements result from the protection of NIR-absorbing dye to moisture exposure in the presence of the polymer network. Originality/value - The simple and practical method resulted in a dramatic improvement in the environmental stability of NIR-absorbing window.

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