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Pyrophthalones as Blue Wavelength Absorbers in Thermoplastic Media
Author(s) -
Natarajan Arunkumar,
Burns Andrew,
Takemori Michael,
Jain Sumeet,
Boden Eugene,
Vasudevan Vinodkumar,
Puthamane Kiran,
Naik Shantaram N.,
Kuriakose George
Publication year - 2011
Publication title -
photochemistry and photobiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.818
H-Index - 131
eISSN - 1751-1097
pISSN - 0031-8655
DOI - 10.1111/j.1751-1097.2011.01036.x
Subject(s) - photodegradation , wavelength , degradation (telecommunications) , polymer , materials science , blue light , thermoplastic , molecule , photochemistry , optoelectronics , chemical engineering , chemistry , composite material , organic chemistry , photocatalysis , telecommunications , computer science , catalysis , engineering
We have explored the utility of pyrophthalones as violet‐blue light filtering dyes in polymer matrices for wavelengths below 450 nm. Further, we have investigated the photodegradation of these molecules in thermoplastic media and the mechanisms behind their degradation. Finally, a range of additives have been explored to improve the photostability of these molecules to achieve the desired performance.