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Citation: SHEN Yun, HUANG Dan, JIANG Xue. Synthesis of a Novel UV Absorbent and Its Application in Polylactic Acid Superfine Fibrous Membranes[J]. Chinese Journal of Applied Chemistry, ;2012, 29(7): 740-744. doi: 10.3724/SP.J.1095.2012.00347 shu

Synthesis of a Novel UV Absorbent and Its Application in Polylactic Acid Superfine Fibrous Membranes

1.
Key Laboratory of Eco-textile, Ministry of Education, Jiangnan University, Wuxi 214122, China

Corresponding author: HUANG Dan,
Received Date: 8 August 2011
Available Online: 1 November 2011
Fund Project: 江南大学生态纺织教育部重点实验室开放基金资助项目(KLET0901) (KLET0901)

A novel UV absorbent,(3-hydroxy-4-benzoyl)phenyl 2,3;4,6-di-O-cyclohexylidene-D-β-mannopyranoside(UV-O-DHM),was synthesized using 2,4-dihydroxy-benzophenone(UV-O) and D-mannose as raw materials.The compound exhibited high decomposition temperature(T_d) at 372.6℃ and possessed good thermal stability.The biodegradable anti-UV polylactic acid(PLA) superfine fibrous membranes were prepared via electro-spinning through mixing UV-O-DHM into dichloromethane solution of PLA,and the features of the fiber were clearly characterized by scanning electron microscope.The fiber has uniform diameter of 3~4 μm and is evenly covered by the nano-porous.The UV-O-DHM/PLA superfine fiber has good ultraviolet absorption performance.With increasing concentration of UV-O-DHM,UV transmittance(T%) decreased,and when the mass fraction of UV-O-DHM was 1.1%,T% was almost 0 in 230~350 nm,and the UV protection level was better than that of UV-O/PLA superfine fiber in 365~380 nm.
- electro-spinning,
- polylactic acid,
- superfine fibrous membranes,
- UV absorbent,
- mannosidase
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