Transparent Cellulose‐Based Film with High UV‐Blocking Performance Fabricated by Surface Modification using Biginelli Reaction

Yuan, Mengzhen; Liu, Hongchen; Shen, Kaiyuan; Qiu, Changjing; Hu, Qi

doi:10.1002/marc.202200495

Cited by 9 publications

(3 citation statements)

References 45 publications

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“…Therefore, developing an elastomer with UV-blocking is an urgent need to address this problem and expand its application in flexible sensors. UV-radiation is divided into UV-C bands (UVC, 180–280 nm), UV-B bands (UVB, 280–320 nm), and UV-A bands (UVA, 320–400 nm) . Among them, UVA and UVB could pass through the ozone layer, which is particularly harmful to human skin.…”

Section: Resultsmentioning

confidence: 99%

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All-Polymer Piezoelectric Elastomer with High Stretchability, Low Hysteresis, Self-Adhesion, and UV-Blocking as Flexible Sensor

Shi,

Tian,

Guan

et al. 2023

ACS Appl. Mater. Interfaces

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All-polymer piezoelectric elastomers that integrate selfpowered, soft, and elastic performance are attractive in the fields of flexible wearable electronics and human−machine interfaces. However, a lack of adhesion and UV-blocking performances greatly hinders the potential applications of elastomers in these emerging fields. Here, a high-performance piezoelectric elastomer with piezoelectricity, mechanical robustness, self-adhesion, and UV-resistance was developed by using poly(vinylidene fluoride) (PVDF), acrylonitrile (AN), acrylamide (AAm), and oxidized tannic acid (OTA) (named PPO). In this design, the dipole−dipole interactions between the PVDF and PAN chains promoted the content of β-PVDF, endowing high piezoelectric coefficient (d 33 , 58 pC/N). Besides, high stretchability (∼500%), supercompressibility (∼98%), low Young's modulus (∼0.02 MPa), and remarkable elasticity (∼13.8% hysteresis ratio) were achieved simultaneously for the elastomers. Inspired by the mussel adhesion chemistry, the OTA containing abundant catechol and quinone groups provided high adhesion (93.26 kPa to wood) and an exceptional UVblocking property (∼99.9%). In addition, the elastomers can produce a reliable electric signal output (V ocmax = 237 mV) and show a fast response (24 ms) when subjected to external force. Furthermore, the elastomer can be easily assembled as a wearable sensor for human physiological (body pulse and speech identification) monitoring and communication.

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Section: Resultsmentioning

confidence: 99%

“…UV-radiation is divided into UV-C bands (UVC, 180−280 nm), UV-B bands (UVB, 280−320 nm), and UV-A bands (UVA, 320−400 nm). 46 Among them, UVA and UVB could pass through the ozone layer, which is particularly harmful to human skin. As for UVC, they could be completely shielded by the ozonosphere.…”

Section: Self-adhesive Properties Of the Ppo Elastomersmentioning

confidence: 99%

All-Polymer Piezoelectric Elastomer with High Stretchability, Low Hysteresis, Self-Adhesion, and UV-Blocking as Flexible Sensor

Shi,

Tian,

Guan

et al. 2023

ACS Appl. Mater. Interfaces

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“…Compared with the tensile strength and modulus of neat PVA, those of nanocomposite films were enhanced up to 33% and 77%, respectively, with the above-mentioned UV absorption. Yuan et al modified the cellulose structure via the Biginelli reaction between urea and vanillin [166]. This modified cellulose was fabricated into a film with a thickness of 100 µm, resulting in a complete screen of UVA and UVB with 80% transparency in the visible light spectrum.…”

Section: Applications Of Cellulose As a Uv-absorbing Agentmentioning

confidence: 99%

A Review of Biomass-Derived UV-Shielding Materials for Bio-Composites

Kim¹,

Park

Lee

et al. 2023

Energies

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The adverse effects of UV (ultraviolet) radiation on polymeric materials and organic constituents can damage the molecular structure of human skin and polymeric materials, resulting in their degradation. Therefore, additives or reagents for UV-shielding must be used in related applications, including polymer compounds and skin cosmetics. Bio-based polymers have shown great potential as alternatives to conventional metallic and organic materials (e.g., TiO2 and ZnO) in various applications; therefore, natural products have gained attention as a potential resource to overcome UV-induced health and environmental problems. In particular, biomass-derived materials such as lignin, fiber, and silica have been investigated as UV-shielding materials owing to their biocompatibility, biodegradability, and low carbon emissions. In this review, the UV-shielding effect and potential of various biomass-derived materials, such as silica, nanocellulose, and fibers, are reviewed. Among them, lignin is considered a promising UV-shielding material because of the presence of chromophores and functional groups capable of absorbing UV radiation of all ranges.

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High-performance photochromic paper with lignocellulose and polyvinylpyrrolidone-tungsten trioxide nanoarchitectonics

Fu,

Chen,

Gong

et al. 2025

Composites Part A: Applied Science and Manufacturing

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Transparent Cellulose‐Based Film with High UV‐Blocking Performance Fabricated by Surface Modification using Biginelli Reaction

Cited by 9 publications

References 45 publications

All-Polymer Piezoelectric Elastomer with High Stretchability, Low Hysteresis, Self-Adhesion, and UV-Blocking as Flexible Sensor

All-Polymer Piezoelectric Elastomer with High Stretchability, Low Hysteresis, Self-Adhesion, and UV-Blocking as Flexible Sensor

A Review of Biomass-Derived UV-Shielding Materials for Bio-Composites

High-performance photochromic paper with lignocellulose and polyvinylpyrrolidone-tungsten trioxide nanoarchitectonics

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