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

Xuya Fu; Tao Zhang; Wenshuo Zhang; Yuye Zhong; Shuliang Fang; Guannan Wang; Ying Li; Yajun Deng; Xinghai Liu; Houbin Li

doi:10.1515/epoly-2023-0009

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

Xuya Fu, Tao Zhang^*, Wenshuo Zhang, Yuye Zhong, Shuliang Fang, Guannan Wang, Ying Li, Yajun Deng, Xinghai Liu, Houbin Li^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

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.

Original language	English
Article number	20230009
Journal	E-Polymers
Volume	23
Issue number	1
DOIs	https://doi.org/10.1515/epoly-2023-0009
Publication status	Published - 1 Jan 2023
Externally published	Yes

Keywords

UV-shielding
curcumin
melt mixing
polylactic acid
polyurethane

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10.1515/epoly-2023-0009

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title = "Melt-blended PLA/curcumin-cross-linked polyurethane film for enhanced UV-shielding ability",

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.",

keywords = "UV-shielding, curcumin, melt mixing, polylactic acid, polyurethane",

author = "Xuya Fu and Tao Zhang and Wenshuo Zhang and Yuye Zhong and Shuliang Fang and Guannan Wang and Ying Li and Yajun Deng and Xinghai Liu and Houbin Li",

note = "Publisher Copyright: {\textcopyright} 2023 the author(s), published by De Gruyter.",

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doi = "10.1515/epoly-2023-0009",

language = "English",

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T1 - Melt-blended PLA/curcumin-cross-linked polyurethane film for enhanced UV-shielding ability

AU - Fu, Xuya

AU - Zhang, Tao

AU - Zhang, Wenshuo

AU - Zhong, Yuye

AU - Fang, Shuliang

AU - Wang, Guannan

AU - Li, Ying

AU - Deng, Yajun

AU - Liu, Xinghai

AU - Li, Houbin

PY - 2023/1/1

Y1 - 2023/1/1

N2 - 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.

AB - 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.

KW - UV-shielding

KW - curcumin

KW - melt mixing

KW - polylactic acid

KW - polyurethane

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DO - 10.1515/epoly-2023-0009

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JO - E-Polymers

JF - E-Polymers

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ER -

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

Abstract

Keywords

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