Photoyellowing and discolouration of UV cured acrylated clear coatings systems: influence of photoinitiator type

J Segurola; Norman Allen; M Edge; A McMahon; Stephen  Wilson

doi:10.1016/S0141-3910(98)00169-4

Photoyellowing and discolouration of UV cured acrylated clear coatings systems: influence of photoinitiator type

J Segurola, Norman Allen, M Edge, A McMahon, Stephen Wilson

Division of Informatics, Imaging & Data Sciences (L5)

Manchester Metropolitan University (MMU)

Research output: Contribution to journal › Article › peer-review

Abstract

The discolouration and yellowing of acrylated coating films after photocuring with a broad range of photoinitiators have been measured by colorimetry with the CMC (CIELab) system. The yellowing of the photoinitiators was evaluated and related to the chemical structure of the photoinitiator fragments and to the unreacted photoinitiator itself. The total colour difference was related to the type of chromophoric substitutent in the basic structure of the photoinitiator. The implications of these results are discussed in relation to clear coats.

Original language	Undefined
Pages (from-to)	39-48
Number of pages	10
Journal	Polymer Degradation and Stability
Volume	64
Issue number	1
DOIs	https://doi.org/10.1016/S0141-3910(98)00169-4
Publication status	Published - Apr 1999

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10.1016/S0141-3910(98)00169-4

Cite this

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title = "Photoyellowing and discolouration of UV cured acrylated clear coatings systems: influence of photoinitiator type",

abstract = "The discolouration and yellowing of acrylated coating films after photocuring with a broad range of photoinitiators have been measured by colorimetry with the CMC (CIELab) system. The yellowing of the photoinitiators was evaluated and related to the chemical structure of the photoinitiator fragments and to the unreacted photoinitiator itself. The total colour difference was related to the type of chromophoric substitutent in the basic structure of the photoinitiator. The implications of these results are discussed in relation to clear coats.",

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AU - McMahon, A

AU - Wilson, Stephen

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N2 - The discolouration and yellowing of acrylated coating films after photocuring with a broad range of photoinitiators have been measured by colorimetry with the CMC (CIELab) system. The yellowing of the photoinitiators was evaluated and related to the chemical structure of the photoinitiator fragments and to the unreacted photoinitiator itself. The total colour difference was related to the type of chromophoric substitutent in the basic structure of the photoinitiator. The implications of these results are discussed in relation to clear coats.

AB - The discolouration and yellowing of acrylated coating films after photocuring with a broad range of photoinitiators have been measured by colorimetry with the CMC (CIELab) system. The yellowing of the photoinitiators was evaluated and related to the chemical structure of the photoinitiator fragments and to the unreacted photoinitiator itself. The total colour difference was related to the type of chromophoric substitutent in the basic structure of the photoinitiator. The implications of these results are discussed in relation to clear coats.

U2 - 10.1016/S0141-3910(98)00169-4

DO - 10.1016/S0141-3910(98)00169-4

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