Well-adhering, easily producible photonic reflective coatings for plastic substrates

Onderzoeksoutput: Bijdrage aan tijdschriftTijdschriftartikelAcademicpeer review

5 Citaties (Scopus)

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The development of well-adhering, easily producible photonic reflective coatings is still a challenge. Here, an easy-to-produce, industrial viable process is reported that uses a primer layer of the so-called type II photoinitiator to obtain an excellent adhesion between a plastic substrate and one-dimensional (1D) photonic liquid crystalline coatings. Furthermore, a good alignment of the reactive cholesteric liquid crystal mixture is obtained using a bar-coating process, without alignment layers or surfactants. After photopolymerization, cross-hatch tape tests show a good adhesion of the photonic coating having a reflection band of 50% transmission with almost no scattering. Additionally, we demonstrate the ability to create well-adhering ∼100% reflective coatings by coating double layers and the ability to create single-layered cholesteric broadband reflectors using solely a reactivity gradient created by the primer layer. Our new interfacial method gives new opportunities to use reflecting 1D photonic coatings in industrial processes and applications and allows the bonding of almost any polymer to a plastic substrate.

TaalEngels
Pagina's30008-30013
Aantal pagina's6
TijdschriftACS Applied Materials and Interfaces
Volume10
Nummer van het tijdschrift35
DOI's
StatusGepubliceerd - 5 sep 2018

Vingerafdruk

Reflective coatings
Photonics
Plastics
Coatings
Substrates
Adhesion
Cholesteric liquid crystals
Hatches
Photopolymerization
Surface-Active Agents
Tapes
Polymers
Surface active agents
Scattering
Crystalline materials
Liquids

Trefwoorden

    Citeer dit

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    title = "Well-adhering, easily producible photonic reflective coatings for plastic substrates",
    abstract = "The development of well-adhering, easily producible photonic reflective coatings is still a challenge. Here, an easy-to-produce, industrial viable process is reported that uses a primer layer of the so-called type II photoinitiator to obtain an excellent adhesion between a plastic substrate and one-dimensional (1D) photonic liquid crystalline coatings. Furthermore, a good alignment of the reactive cholesteric liquid crystal mixture is obtained using a bar-coating process, without alignment layers or surfactants. After photopolymerization, cross-hatch tape tests show a good adhesion of the photonic coating having a reflection band of 50{\%} transmission with almost no scattering. Additionally, we demonstrate the ability to create well-adhering ∼100{\%} reflective coatings by coating double layers and the ability to create single-layered cholesteric broadband reflectors using solely a reactivity gradient created by the primer layer. Our new interfacial method gives new opportunities to use reflecting 1D photonic coatings in industrial processes and applications and allows the bonding of almost any polymer to a plastic substrate.",
    keywords = "adhesion, alignment, liquid crystals, photonic reflective coatings, polycarbonate",
    author = "{van Heeswijk}, {Ellen P.A.} and Kloos, {Joey J.H.} and {de Heer}, Jos and Theo Hoeks and Nadia Grossiord and Schenning, {Albertus P.H.J.}",
    year = "2018",
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    Well-adhering, easily producible photonic reflective coatings for plastic substrates. / van Heeswijk, Ellen P.A.; Kloos, Joey J.H.; de Heer, Jos ; Hoeks, Theo; Grossiord, Nadia; Schenning, Albertus P.H.J.

    In: ACS Applied Materials and Interfaces, Vol. 10, Nr. 35, 05.09.2018, blz. 30008-30013.

    Onderzoeksoutput: Bijdrage aan tijdschriftTijdschriftartikelAcademicpeer review

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    AU - Grossiord,Nadia

    AU - Schenning,Albertus P.H.J.

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