文献类型：会议论文

英文题名：Enhancement of bamboo surface photostability by application of clear coatings containing a combination of organic/inorganic UV absorbers

作者：Rao, Fei[1,2,4] Chen, Yuhe[1,4] Zhao, Xiping[3] Cai, Hanjiang[1] Li, Neng[1,4] Bao, Yongjie[1,4]

第一作者：Rao, Fei

通信作者：Chen, YH[1];Li, N[1];Bao, YJ[1]|[a0005f0370337ddfb9673]李能;[a00057867a1038114b000]包永洁;

机构：[1]China Natl Bamboo Res Ctr, Wenyi Rd 310, Hangzhou 310012, Zhejiang, Peoples R China;[2]Chinese Acad Forestry, Res Inst Wood Ind, Beijing 100091, Peoples R China;[3]Henan Univ Sci & Technol, Forestry Coll, Luoyang 471000, Peoples R China;[4]Key Lab High Efficient Proc Bamboo Zhejiang Prov, Hangzhou 310012, Zhejiang, Peoples R China

会议论文集：10th International Workshop on Application of Electrochemical Techniques to Organic Coatings (AETOC)

会议日期：APR 25-28, 2017

会议地点：Billerbeck, GERMANY

语种：英文

外文关键词：UV absorber; Photostability; Synergistic; Antagonistic

年份：2018

摘要：Benzotriazole (BTZ), benzophenone (BP), nano-TiO2 (NTiO2), and nano-ZnO (NZnO) are potential components of UV protection coatings due to being UV light absorbers. Herein, the UV-protective effects of four acrylic coatings containing individual organic and inorganic UV light absorbers and another four coatings containing both types of absorbers were determined by employing accelerated bamboo aging tests. Although organic absorbers decomposed during aging, their degradation rate decreased in the presence of inorganic absorbers. Moreover, individual organic absorbers were better suited for color stabilization than inorganic ones, with the best bamboo surface photostability enhancement achieved by BTZ-containing coatings (BTZ, BTZ-NZnO, and BTZ-NTiO2). Furthermore, strong synergistic effects were detected for BTZ-NZnO and BTZ-NTiO2, whereas an antagonistic effect was observed for BP-NTiO2 and BP-NZnO. Thus, combinations of organic and inorganic UV light absorbers efficiently inhibited the degradation of the former, with the performance of clear coatings determined by the type of the organic absorber.