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UV absorbers for cellulosic apparels: A computational and experimental study
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2018 (Engelska)Ingår i: Spectrochimica Acta Part A - Molecular and Biomolecular Spectroscopy, ISSN 1386-1425, E-ISSN 1873-3557, Vol. 188, s. 355-361Artikel i tidskrift (Refereegranskat) 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.

Ort, förlag, år, upplaga, sidor
Elsevier, 2018. Vol. 188, s. 355-361
Nyckelord [en]
Solar radiations, Substituents effect, UV absorbers, DFT, HOMO-LUMO, Condensation reaction
Nationell ämneskategori
Organisk kemi
Identifikatorer
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
Tillgänglig från: 2018-09-04 Skapad: 2018-09-04 Senast uppdaterad: 2018-09-04Bibliografiskt granskad

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Eliasson, Bertil

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Spectrochimica Acta Part A - Molecular and Biomolecular Spectroscopy
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