Zobrazeno 1 - 10
of 836
pro vyhledávání: '"uv absorber"'
Publikováno v:
Environment International, Vol 190, Iss , Pp 108886- (2024)
Phenolic benzotriazole UV stabilizers (BUV) are commonly used additives in synthetic polymeric products, which constantly leak into the environment. They are persistent and bioaccumulative, and have been detected not only in fish, birds, and sea mamm
Externí odkaz:
https://doaj.org/article/e05c451777de44e1b8309ed5c288061d
Autor:
Massimo Calovi, Stefano Rossi
Publikováno v:
Applied Sciences, Vol 14, Iss 13, p 5895 (2024)
This study aims to assess the functionality of a bio-derived additive, comprising rice bran wax infused with green tea, as an environmentally sustainable and adaptable pigment for wood coatings. Additionally, the effectiveness of the bio-based additi
Externí odkaz:
https://doaj.org/article/68ff7577536342f686c940c4cdf9c501
Publikováno v:
Antioxidants, Vol 13, Iss 8, p 894 (2024)
Hindered phenol antioxidants and benzophenone UV absorbers are common polymer additives and often used in combination applications to enhance the anti-aging performance of polymer materials. This study primarily aims to incorporate hindered phenol an
Externí odkaz:
https://doaj.org/article/2e566d28b26f4a0fb22d35c55cad1de3
Autor:
Guorong Li, Baorong Duan, Guorui Leng, Junjie Liu, Tong Zhang, Zhenwei Lu, Shanshan Wang, Jiale Qu
Publikováno v:
Molecules, Vol 29, Iss 9, p 2099 (2024)
Waterborne polyurethane, renowned for its lightweight properties, excellent insulation capabilities, and corrosion resistance, has found extensive application in fields such as construction, automotive, leather, and thermal insulation. Nevertheless,
Externí odkaz:
https://doaj.org/article/2a99e631c3084fb8bf18121b508d2a17
Autor:
Mohammed H. Al-Mashhadani, Dhuha H. Fadhil, Ahmed A. Ahmed, Amani A. Husain, Hassan Hashim, Emad Yousif, Muna Bufaroosha
Publikováno v:
Materials Science for Energy Technologies, Vol 6, Iss , Pp 318-330 (2023)
To date, many approaches have been made to stabilize the chemical structure of PVC when exposed to sunlight in outdoor usage. This work includes utilizing mefenamic acid (1 % per polymer weight) as a new photo stabilizer unit to adjust PVC to enhance
Externí odkaz:
https://doaj.org/article/f63f7a5fe064499b8cb14dea33684343
Autor:
A. K. Samanta, Deepali Singhee
Publikováno v:
Journal of Natural Fibers, Vol 19, Iss 15, Pp 12100-12118 (2022)
To reduce photo-fading of jute, raw and H2O2 bleached jute fabrics have been treated with selective UV-absorbers and antioxidant compounds by pad-batch-dry technique and subjected to photo-exposure in a weather-o-meter for different hours (0–320 h)
Externí odkaz:
https://doaj.org/article/6175535a0cd94d85b27ad976cb0c7a63
Akademický článek
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Akademický článek
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Autor:
Sadeghifar, Hasan a, ∗, Ragauskas, Arthur b, c, d
Publikováno v:
In Chemosphere December 2022 309 Part 1
Autor:
Suror A. Mahdi, Ahmed A. Ahmed, Emad Yousif, Mohammed H. Al-Mashhadani, Ahmed Ahmed, Hassan Hashim, Ali H. Jawad
Publikováno v:
Materials Science for Energy Technologies, Vol 5, Iss , Pp 278-293 (2022)
New four coumarin derivatives (9–12) compounds have been successfully synthesized from the reaction of salicyaldehyde and ethylacetoacetate yielding 3-acetyl coumarine, which on further treatment with bromine/chloroform gave 3-(2-Bromoacetyl) couma
Externí odkaz:
https://doaj.org/article/049bdcca6de74d52943f45756d1b8ae2