Photo-crosslinkable NIR-absorbing window with environmental stability

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

Research output: Contribution to journalArticle

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 languageEnglish
Pages (from-to)170-174
Number of pages5
JournalPigment and Resin Technology
Volume42
Issue number3
DOIs
Publication statusPublished - 2013 Aug 26

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Infrared radiation
Cinnamates
Coloring Agents
Dyes
Polymers
Dimerization
Radiation damage
Heat radiation
Ultraviolet radiation
Crosslinking
Atmospheric humidity
Moisture
Wavelength

All Science Journal Classification (ASJC) codes

  • Surfaces, Coatings and Films
  • Materials Chemistry

Cite this

Hwang, Hyunmin ; Kang, Moon Sung ; Han, Jong Hun ; Shin, Kwonwoo ; Cho, Jeong Ho. / Photo-crosslinkable NIR-absorbing window with environmental stability. In: Pigment and Resin Technology. 2013 ; Vol. 42, No. 3. pp. 170-174.
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Photo-crosslinkable NIR-absorbing window with environmental stability. / Hwang, Hyunmin; Kang, Moon Sung; Han, Jong Hun; Shin, Kwonwoo; Cho, Jeong Ho.

In: Pigment and Resin Technology, Vol. 42, No. 3, 26.08.2013, p. 170-174.

Research output: Contribution to journalArticle

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AU - Hwang, Hyunmin

AU - Kang, Moon Sung

AU - Han, Jong Hun

AU - Shin, Kwonwoo

AU - Cho, Jeong Ho

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Y1 - 2013/8/26

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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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