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UV absorbers for cellulosic apparels: A computational and experimental study
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2018 (English)In: Spectrochimica Acta Part A - Molecular and Biomolecular Spectroscopy, ISSN 1386-1425, E-ISSN 1873-3557, Vol. 188, p. 355-361Article in journal (Refereed) Published
Abstract [en]

Two triazine based Ultra Violet (UV) absorbers Sulfuric acid mono-(2-{4-[4-chloro-6-(4-{4-chloro-6-[4-(2-sulfooxy-ethanesulfonyl)-phenylamino]-[1,3,5] triazin-2-ylamino-phenylamino)-[1,3,5]triazin-2-ylamino]-benzenesulfonyl}-ethyl) ester (1a) and 4-{4-chloro-6-[4-(2-sulfooxy-ethanesulfonyl)-phenylamino]-[1,3,5] triazin-2-ylamino}-2-[4-chloro-6-(2-sulfooxy-ethanesulfonyl)-[1,3,5]triazin-2-ylamino]-benzenesulfonic acid (2a) with different substituents were designed computationally. The influence of different substituents on the electrochemical properties and UV spectra of the absorbers was investigated. The presence of electron deficient unit in 1a to the molecular core significantly reduces the LUMO levels and energy gap. The designed absorbers were synthesized via condensation reaction and characterized by UV–Vis, FT-IR, MS studies. The performance of synthesized compounds as UV absorbers and their fastness properties were assessed by finishing the cotton fabric through exhaust method at different concentration and results appeared in good range.

Place, publisher, year, edition, pages
Elsevier, 2018. Vol. 188, p. 355-361
Keywords [en]
Solar radiations, Substituents effect, UV absorbers, DFT, HOMO-LUMO, Condensation reaction
National Category
Organic Chemistry
Identifiers
URN: urn:nbn:se:umu:diva-151195DOI: 10.1016/j.saa.2017.07.037ISI: 000412608600050PubMedID: 28753529Scopus ID: 2-s2.0-85025440646OAI: oai:DiVA.org:umu-151195DiVA, id: diva2:1245100
Available from: 2018-09-04 Created: 2018-09-04 Last updated: 2018-09-04Bibliographically approved

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Eliasson, Bertil

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