SYNTHESIS AND APPLICATION OF HETEROCYCLIC AS ULTRAVIOLET ABSORBERS

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ENTEZARI MAHDIEH; TOHIDI NEJAD EBTESAM; HAFEZI AIDA; AFRASIABI MOSTAFA

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Journal Paper

Paper Information

Journal: INTERNATIONAL JOURNAL OF HETEROCYCLIC CHEMISTRY Year:2011 | Volume:1 | Issue:2 Page(s): 53-59

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Title

SYNTHESIS AND APPLICATION OF HETEROCYCLIC AS ULTRAVIOLET ABSORBERS

Author(s)

ENTEZARI MAHDIEH | TOHIDI NEJAD EBTESAM | HAFEZI AIDA | AFRASIABI MOSTAFA

Keywords

PHENOLS

ALKYD PAINT

POLLUTANTS

UV-ABSORBERS

VOC

Abstract

The lifespan of organic coatings is reduced in outdoor applications by attacks of solar radiation, oxygen and atmospheric pollutants. Degradation of coating and recoating introduce pollutants into the environment. For solvent base coatings like alkyd paints volatile organic compounds (VOC) are main source of pollution. Undesirable mechanical, physical and chemical consequences of the resulting degradation can be substantially restricted by properly selected photo stabilizers. Tautomerizations in this compound make them to be consider as UV absorber important and effective class of UV-absorbers. In this study some new derivatives of absorbers were synthesized. Structures of compounds were elucidated by spectroscopic data and these compounds were added to red alkyd paint as UV absorber. After a week exposure to 80 watt UV-lamp, gloss of high gloss alkyd paint (92%) reduced to 3%, although that was 7.1% for polyester paint. In the presence of TINUVIN 315 3206 and synthesized compounds, stability of paints against UV radiation improved significantly. Results indicated that fastness of high gloss red alkyd paint was improved sufficiently. This makes coating more stable and reduces the environmental contamination. Consequently, less recoating will lead to decreasing VOC, costs and other environmental pollutants.

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APA: Copy

ENTEZARI, MAHDIEH, TOHIDI NEJAD, EBTESAM, HAFEZI, AIDA, & AFRASIABI, MOSTAFA. (2011). SYNTHESIS AND APPLICATION OF HETEROCYCLIC AS ULTRAVIOLET ABSORBERS. INTERNATIONAL JOURNAL OF HETEROCYCLIC CHEMISTRY, 1(2), 53-59. SID. https://sid.ir/paper/340656/en

Vancouver: Copy

ENTEZARI MAHDIEH, TOHIDI NEJAD EBTESAM, HAFEZI AIDA, AFRASIABI MOSTAFA. SYNTHESIS AND APPLICATION OF HETEROCYCLIC AS ULTRAVIOLET ABSORBERS. INTERNATIONAL JOURNAL OF HETEROCYCLIC CHEMISTRY[Internet]. 2011;1(2):53-59. Available from: https://sid.ir/paper/340656/en

IEEE: Copy

MAHDIEH ENTEZARI, EBTESAM TOHIDI NEJAD, AIDA HAFEZI, and MOSTAFA AFRASIABI, “SYNTHESIS AND APPLICATION OF HETEROCYCLIC AS ULTRAVIOLET ABSORBERS,” INTERNATIONAL JOURNAL OF HETEROCYCLIC CHEMISTRY, vol. 1, no. 2, pp. 53–59, 2011, [Online]. Available: https://sid.ir/paper/340656/en

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