Assessment of UV-permeability in organic UV absorber coatings for bamboo

doi:10.3969/j.issn.1000-2006.2015.01.031

JOURNAL OF NANJING FORESTRY UNIVERSITY ›› 2015, Vol. 39 ›› Issue (01): 173-176.doi: 10.3969/j.issn.1000-2006.2015.01.031

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Assessment of UV-permeability in organic UV absorber coatings for bamboo

LI Neng^1,2, CHEN Yuhe^1*, ZHANG Zeqian¹, BAO Yongjie^1,2, WU Zaixing¹, CHEN Zhangmin¹

1. China National Bamboo Research Center, Hangzhou 310012, China;
2. Research Institute of Wood Industry, Chinese Academy of Forestry, Beijing 100091, China

Online:2015-01-31 Published:2015-01-31

Abstract

Abstract: Two kinds of coating formulations were obtained by BTZ, acrylic resin, ethyl acetate and anhydrous alcohol which mixed at a certain proportion, and their spectral analysis of two kinds of coating formulations was investigated. Color-stability of bamboo coated with formulation B(added BTZ, named B)was demonstrated through a weathering experiment. The results showed the absorbance among 300-380 nm of formulation B was higher than that of formulation A(unadded BTZ, named A). The absorbance value and width of absorption peak appeared positive correlation with painting thickness. Color-stability of bamboo with formulation B was improved during aging, and ΔE value of B decreased by 67.8% compared with blank after 112 days aging.

CLC Number:

S784

LI Neng, CHEN Yuhe, ZHANG Zeqian, BAO Yongjie, WU Zaixing, CHEN Zhangmin. Assessment of UV-permeability in organic UV absorber coatings for bamboo[J]. JOURNAL OF NANJING FORESTRY UNIVERSITY, 2015, 39(01): 173-176.

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Assessment of UV-permeability in organic UV absorber coatings for bamboo

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