Synthesis and properties of cinnamic acid series organic UV ray absorbents–interleaved layered double hydroxides |
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| Affiliation: | 1. CEPESQ – Research Centre of Applied Chemistry, Department of Chemistry, Federal University of Paraná, P.O. Box 19081, 81531-980 Curitiba, PR, Brazil;2. Department of Clinical and Toxicological Analysis, Faculty of Pharmacy, Federal University of Rio de Janeiro, 21.941-902 RJ, Brazil;3. Department of Pharmaceutics, Faculty of Pharmacy, Federal University of Rio de Janeiro, 21.941-902 RJ, Brazil;1. College of Geosciences, China University of Petroleum, Beijing 102249, China;2. Research Institute of Exploration and Development, Southwest Oil & Gas Field Branch Company, PetroChina, Chengdu 610041, China;3. Exploration Division of PetroChina Southwest Oil & Gas Field Company, Chengdu 610041, China;4. Northwestern Camp in Sichuan, Southwestern Oil & Gas field Branch Company, PetroChina, Jiangyou 621709, China;1. Department of Environmental Engineering, Chung Yuan Christian University, Chungli 320, Taiwan;2. Graduate Institute of Environmental Engineering, National Central University, Taoyuan 32001, Taiwan;1. Department of Civil and Environmental Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China;2. College of Resources and Environmental Sciences, China Agricultural University, Beijing, 100193, China;3. City University of Hong Kong Shenzhen Research Institute, 8 Yuexing 1st Road, Shenzhen Hi-Tech Industrial Park, Nanshan District, Shenzhen, China;4. School of Energy and Environment, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, China;5. School of Environment, Tsinghua University, Beijing, 100084, China;6. Department of Earth and Atmospheric Sciences, University of Alberta, Edmonton, T6G 2E3, Canada;7. College of Resources and Environment, Hunan Agricultural University, Changsha, 410128, China;8. Korea Biochar Research Center, Division of Environmental Science and Ecological Engineering, Korea University, Seoul, 02841, Republic of Korea;1. College of Civil Engineering, Fuzhou University, Fuzhou 350108, PR China;2. Testing Center of Fuzhou University, Fuzhou 350108, PR China;3. State Key Laboratory of Special Functional Waterproof Materials, Beijing Oriental Yuhong Waterproof Technology Co. Ltd, Beijing 101309, PR China;4. Key Laboratory of Road Structure and Material of Ministry of Transport, Chang’an University, Xi’an 710064, PR China |
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| Abstract: | Organic ultraviolet (UV) ray absorbents, cinnamic acid (CA) and p-methoxycinnamic acid (PMOCA) were intercalated into Zn2Al layered double hydroxides (Zn2Al-LDHs) by co-precipitation reaction. The organic–inorganic nanocomposites, Zn2Al-LDH/CA and Zn2Al-LDH/PMOCA were obtained. The samples showed excellent UV ray absorption ability and their catalytic activity for the air oxidation of castor oil greatly decreased when the organic UV ray absorbents were intercalated in the layers of the Zn2Al-LDHs. The studies suggested that Zn2Al-LDH/organic UV absorbent nanocomposites might be used as safe sunscreen materials. |
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