Melt-blended PLA/curcumin-cross-linked polyurethane film for enhanced UV-shielding ability-Reference-Cited by-同舟云学术

Melt-blended PLA/curcumin-cross-linked polyurethane film for enhanced UV-shielding ability

Published:2023-01-01 Issue:1 Volume:23 Page:
ISSN:1618-7229
Container-title:e-Polymers
language:en
Short-container-title:

Author:

Fu Xuya¹,Zhang Tao¹,Zhang Wenshuo¹,Zhong Yuye¹,Fang Shuliang²,Wang Guannan³,Li Ying¹,Deng Yajun⁴,Liu Xinghai¹,Li Houbin¹

Affiliation:

1. Research Center of Graphic Communication, Printing and Packaging, Wuhan University , Wuhan , 430079 , China

2. China Helicopter Research and Development Institute , Jingdezhen , 333001 , China

3. Food Science Institute, Zhejiang Academy of Agricultural Sciences , Hangzhou , 310021 , China

4. Jimei University, Xiamen Key Laboratory of Marine Corrosion and Intelligent Protection Materials , Xiamen , Fujian 361021 , China

Abstract

Abstract Biomass films with ultraviolet (UV)-shielding ability have attracted considerable attention. Curcumin was introduced into castor oil-based polyurethane (CCPU) as a chain extender, which was melt with polylactic acid (PLA) as a reinforcement to obtain biomass UV-shielding film. The excellent UV absorption and antioxidant qualities of curcumin contributed to the impressive UV-shielding capacity (97.6% UV radiation absorption) and antioxidant (51% free radical scavenging) of PLA/CCPU-20 film. In the scanning electron microscopic images of film fracture, the mixing of CCPU elastomer into the PLA matrix caused the blend films to exhibit significant toughening fracture characteristics compared to the pure PLA film. The excellent thermal stability, low water swelling degree, and low water solubility of PLA/CCPU blend films were maintained after CCPU was added to the PLA matrix. Therefore, the PLA/CCPU blend films can be considered as a potential packaging material because of its favorable UV-shielding properties and film stability.

Publisher

Walter de Gruyter GmbH

Subject

Polymers and Plastics,Physical and Theoretical Chemistry,General Chemical Engineering

Link

https://www.degruyter.com/document/doi/10.1515/epoly-2023-0009/pdf

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