JOURNAL OF APPLIED POLYMER SCIENCE
·
2025
·
IF 2.8
Zixuan Zou,Xuejing Wei,Jiayi Yao,Li Sun,Hua Wang,Shaohua Chen,Luoxin Wang
In order to improve the mechanical properties and UV resistance of polylactic acid (PLA) composites, a bio-based additive (ESO-CUR) was synthesized by one-pot method. A new environment-friendly toughening agent was synthesized by using epoxy soybean oil (ESO) as the core material and curcumin (CUR) as the curing agent. PLA composite material with toughening and UV resistance was prepared by melt blending process. Among them, the elongation at break of 6%ESO-CUR/PLA reached 20.26% in the tensile test, which was 11.8 times higher than that of pure PLA. In addition, 6%ESO-CUR/PLA has excellent UV resistance, and the UV protection factor (UPF) is increased from 3.1 to 15,485 of pure PLA. The results show that the new environmental protection toughening agent has a significant synergistic effect on improving the mechanical properties and UV protection properties of PLA. In order to reduce the white pollution caused by traditional plastics, it provides a new way to prepare biodegradable materials with excellent properties.
研究领域:
材料科学
·
环境科学
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DOI
高影响因子
International Journal of Nanomedicine
·
2017
·
IF 4.3
Shuhui Li,Tianxue Zhu,Jianying Huang,Qingqing Guo,Guoqiang Chen,Yuekun Lai
A facile method was developed to endow cotton fabric with remarkable antibacterial and ultraviolet (UV)-protective properties. The flower-like TiO2 micro-nanoparticles were first deposited onto cotton fabric surface via hydrothermal deposition method. Then, the Ag NPs with a high deposition density were evenly formed onto TiO2@cotton surface by sodium hydroxide solution pretreatment and followed by in situ reduction of ANO3. This work focused on the influence of different hydrothermal reaction durations and the concentration of AgNO3 on antibacterial activity against relevant microorganisms in medicine as well as on the UV-blocking property. Ag NPs-loaded TiO2@cotton exhibited high antibacterial activity with an inhibition rate higher than 99% against Staphylococcus aureus and Escherichia coli bacteria. Moreover, the as-prepared cotton fabric coated with Ag NPs and TiO2 NPs demonstrated outstanding UV protective ability with a high ultraviolet protection factor value of 56.39. Morphological image of the cells revealed a likely loss of viability as a result of the synergistically biocidal effects of TiO2 and Ag on attached bacteria. These results demonstrate a facile and robust synthesis technology for fabricating multifunctional textiles with a promising biocidal activity against common Gram-negative and Gram-positive bacteria.
研究领域:
材料科学
·
生物医学
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DOI
高影响因子
CELLULOSE
·
2021
·Vol. 28
·期 9
·5923-5935
·
IF 5.044
Yang Yingying,Zhang Shiyu,Huang Wei,Guo Zengpei,Huang Jingjing,Yang Hongjun,Ye Dezhan,Xu Weilin,Gu Shaojin
In this study, a multifunctional cotton fabric with durable superhydrophobic, antibacterial, and UV resistance properties was prepared by in situ growth of zeolitic imidazolate framework-67 on cotton fabric surface, followed by polydimethylsiloxane modification. The as-obtained multifunctional cotton fabric not only showed superhydrophobicity with a water contact angle of 153.0° ± 2.7°, but also displayed good UV resistance with a UV protection factor value of 32. Furthermore, the as-obtained cotton fabric exhibited excellent antibacterial activities against S. aureus and E. coli . Besides, the as-prepared multifunctional cotton fabric had good resistance to mechanical abrasion. Consequently, this multifunctional fabric could be potentially applied to antibacterial and anti-ultraviolet field. Graphic abstract
研究领域:
材料科学
·
纺织工程
·
化学工程
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产品关联
DOI
高影响因子
ACS Applied Materials & Interfaces
·
2021
·
IF 9.229
Jiacheng Xing,Danhua Yuan,Hua Xie,Nan Wang,Hanbang Liu,Liping Yang,Yunpeng Xu,Zhongmin Liu
Ultraviolet (UV) radiation is closely related to people’s lives, but excess UV exposure has led to a series of problems. UV protection technology plays a vital role in our life. The most commonly adopted UV protection technology is to use UV-absorbing materials to make protective coatings, including sunscreen cream for human skin and sunscreen coating for materials. Conventional organic UV-protective coatings have low stability and are sensitive to heat, while inorganic UV-protective coating with highly efficient UV-protective performance usually need high processing temperatures and exhibit low transparency. Here, we report a Ti-PEG-Si cross-linked inorganic–organic hybrid material, which exhibits good UV-absorbing performance. By using these UV-absorbing materials, an efficient transparent UV-absorbing coating could be easily prepared at room temperature (298 K). The UV-absorbing coating is mainly composed of titanium and silicon connected by PEG200. PEG200 as a cross-linker can improve the UV-absorption performance of the coating and increase its visible light transmittance. At the same time, the existence of PEG200 can effectively increase the stability and elasticity of the coating and maintain its mechanical properties after UV irradiation. Furthermore, the coating could maintain highly UV-protective performance and could be transparent even after thermal treatment at high temperature (973 K). From this point of view, the hybrid materials have considerable application potential in next-generation UV protective coatings, especially with their utilization in heat-sensitive substrates or under high-temperature conditions.
研究领域:
材料科学
·
化学工程
✓ 已验证
产品关联
DOI
PubMed
高影响因子
ACS Applied Materials & Interfaces
·
2019
·
IF 8.456
Huiyu Yang,Zhenwei Yu,Ke Li,Lang Jiang,Xin Liu,Bo Deng,Fengxiang Chen,Weilin Xu
As the most favored high-quality biopolymer, silk fiber is widely used in the textile and medical industries owing to its impressive mechanical properties, wear comfort properties, and biocompatibility. However, its photoinstability, chemical instability, and thermal instability seriously hinder its utilization in luxurious fashionable apparels. Therefore, we herein report the preparation of an ultrathin and uniform TiO2–Al2O3 cloth with a thickness of just six in a thousand of fiber on silkworm silk fiber via atomic layer deposition. In this ultrathin composite cloth, the outer TiO2 layer acts as a sacrificial ultraviolet (UV) absorbent to dissipate large amounts of UV energy. Free radicals and electrons generated by the TiO2 layer are effectively blocked outside the surface of the bulk silk fiber by the inner insulating Al2O3 layer. The excellent UV-resistance of the modified silk fiber was confirmed by a lack of fade in the silk fabric after exposure to UV light for 60 min (equal to continuous exposure to strong sunlight for 3285 days). Compared with silk fiber, the tenacity of the prepared SF-200Al2O3–800TiO2 increased by 18.9% even after sunlight exposure. In addition, both the chemical and thermal stabilities of the modified silk fiber were improved. This technology is expected to have potential applications in various fields, such as high-end fabric development and smart materials, and will further guide material design for future innovations in functional fibers and devices.
研究领域:
材料科学
·
纺织工程
✓ 已验证
产品关联
DOI
PubMed
高影响因子
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
·
2023
·
IF 8.2
Huanyang Yu,Yuan Ge,Huanqi Ding,Yongtai Yan,Liyan Wang
Cross-linking is the most promising method for preparing high-performance chitosan/gelatin bio-polymer film. In this work, vanillin cross-linked chitosan/gelatin bio-polymer (CGGV) film with good mechanics, water resistance, antioxidant and ultraviolet-proof property was prepared. The micro-structure, physical and functional properties of CGGV film were studied. Results showed that vanillin as a cross-linking agent provided a compact inner micro-structure through Schiff base and hydrogen bond interaction. Moderate cross-linking significantly improved mechanical strength, thermal ability, hydrophobicity of the films and reduced the water vapor permeability, swelling ratio and water solubility. Especially, CGGV films showed stronger ultraviolet-proof properties and possessed potent radical scavenging activity. Therefore, CGGV film is suitable to protect per-mature fruits and could be used as novel multifunctional packaging in the agriculture and foods industry.
研究领域:
食品科学
·
材料科学
✓ 已验证
产品关联
DOI
PubMed
高影响因子
JOURNAL OF APPLIED POLYMER SCIENCE
·
2023
·Vol. 140
·期 45
·e54643
·
IF 3
Jing Chen,Bengang Li,Xiaofeng Ma,Shuai Zhou,Qun Gu,Hua Bian,Zhenyang Luo
The flexibility and functionality of conductive hydrogels are crucial to applications under various scenarios and complex environments. Due to single functionality and weakness in mechanical properties, the application of conductive hydrogels in flexible wearable devices remains a challenge. In this study, lignin-graft-poly(acrylic acid) (LPAA) was incorporated into acrylamide (AM)/sodium chloride (NaCl) solution to fabricate composite conductive hydrogels. NaCl enhanced the conductivity of hydrogels. The hydrogen-bond crosslinking network was formed by adding LPAA into the hydrogel, which enhanced the mechanical properties of the hydrogel (the tensile strength was 96 kPa and the compressive strength was 0.54 MPa). With LPAA added, the adhesion of hydrogels was improved to 11.3 kPa on glass, 14.2 kPa on plastic, and 17.3 kPa on metal. LPAA also provided excellent UV shielding ability (99.95%) for hydrogels while maintaining good transparency. The conductive hydrogels with good sensitivity (Gauge Factor = 2.51, 100%–500%) and stability can be used as strain sensors for monitoring physical activity. It is expected to be a candidate material for future flexible wearable electronic devices.
研究领域:
材料科学
·
生物医学工程
✓ 已验证
产品关联
DOI
高影响因子
FIBERS AND POLYMERS
·
2023
·
IF 2.5
Lei Chenghu,Fang Yinchun,Liu Xinhua
Nylon fabric possesses high strength, good resilience, abrasion resistance and moisture absorption which is widely used as the textile materials. However, there are some potential safety risks due to its high flammability, poor heat and light stability, and melt-dripping phenomenon during combustion. In this paper, nylon fabric was multifunctional modified by bio-based tannic acid (TA) and phytic acid (PA) to obtain flame retardancy, ultraviolet protection and antibacterial properties simultaneously. The multifunctional coating was constructed on nylon fabric using the simple finishing method. The limiting oxygen index (LOI) of treated nylon fabric significantly increased to 39%, and its dripping was completely eliminated, showing excellent flame retardancy and anti-dripping property. In order to improve the washing durability of the multifunctional coating, polyethyleneimine (PEI) was introduced to form covalent and ionic bonds with TA, PA and nylon fabric to enhance the interfacial binding strength. After four times washing, the LOI value of treated fabric was still higher than 29% showing good washing durability. The antibacterial rates of treated nylon fabric against E. coli and S. aureus were higher than 99%. And the ultraviolet protection factor (UPF) value of treated nylon fabric increased from 12.105 to 264.82, showing excellent antibacterial and ultraviolet protection properties. This research provides the experimental basis for multifunctional modification of textile fabrics by using bio-based compounds. Graphical Abstract
研究领域:
纺织材料学
·
功能化改性
·
生物基化合物应用
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产品关联
DOI
高影响因子
CHEMICAL ENGINEERING JOURNAL
·
2024
·
IF 13.3
Jiawei Li,Chengyu Hong,Hao Zhang,Jiaqi Zhang,Ruixue Zhai,Bin Fei,Chao Zhou
The increasingly severe energy shortage and growing environmental problems have accelerated the rapid development of sustainable polymer materials. Hereon, a novel method was proposed for the synthesis of cashew nut shell oil-based waterborne polyurethane (WPUs), which exhibited excellent toughness, transparency, water resistance, UV resistance and corrosion resistance. Specifically, the sorbitan monooleate-based siloxane (MSP) was prepared via a thiol-ene click chemistry reaction. Subsequently, the plant-based phloretin (PRT) and MSP were introduced as polyols into the skeleton of WPUs through the molecular structure design strategy. Series of high bio-based content (91 %) WPUs networks were obtained via pre-polymerization and self-emulsification methods. The properties of their dispersions and films were thoroughly investigated, and it was found that the addition of MSP and PRT enhanced the overall performance of WPUs film. For instance, there was a significant increase in T g . Additionally, they exhibited a maximum tensile strength of 31.5 MPa and a maximum toughness of 53 MJ/m 3 , which were the most outstanding among all reported plant oil-based WPU systems so far, indicating excellent tear resistance. Interestingly, the water absorption rate of PSWPU-40 was reduced to 7.1 %, suggesting good water resistance, which resolved the contradiction between the mechanical properties and water resistance of the current plant oil-based WPU systems. The PSPWU films exhibited promising application prospects, exemplified by its ability to effectively shield the entire UV range. Furthermore, its coating demonstrated outstanding anti-corrosion properties with a maximum anticorrosion efficiency of 97.1 %. It could be attributed to the synergistic effect of a self-crosslinking structure, higher crosslinking density, a tighter network structure, and stronger intermolecular forces (H-bond). This work provided a meaningful guide for the application and development of high-performance bio-based WPU functional coatings.
研究领域:
材料科学
·
环境科学
·
化学工程
✓ 已验证
产品关联
DOI
高影响因子
LANGMUIR
·
2025
·
IF 3.9
Huiyu Yang,Rong Chen,Guowen Yu,Xiaohua Cheng,Liangang Zhao,Hai Liu,Bo Deng,Zushun Xu,Chunli Gong
Daytime radiant cooling achieves a sustainable cooling effect by reflecting sunlight and radiant heat. However, absorption of sunlight by emitters and parasitic heat gain can significantly reduce radiative cooling temperatures. To improve the light reflectivity and emissivity in the mid-infrared band, SNF@TiO2 aerogel with high stability and efficient radiative cooling effect was constructed using nanosilk and titanium dioxide. The hierarchical structure of the aerogel stores more air, which reduces the thermal conductivity (0.0333 W·m–1·K–1) and parasitic heat gain. TiO2 provides excellent UV resistance while increasing solar reflectance and atmospheric window emissivity. The average solar reflectance and average IR emissivity of SNF@TiO2 were 89.4 and 92.3%, respectively. Compared with the subambient (I: 800 W·m–2, PE-covered air) temperature, the average cooling temperature of SNF@TiO2 under direct sunlight reached 11.5 °C. Meanwhile, the outdoor subambient (I: 900 W·m–2, PE-covered air) average temperature drop of SNF@TiO2 reached 12.1 °C after UV (40 mW·cm–2) continuous radiation for 10 days (6 h per day), displaying highly stable radiative cooling properties. In addition, the SNF@TiO2 aerogel has good mechanical elasticity and thermal insulation properties. This study offers great potential for silk fiber materials for outdoor radiant heat management.
研究领域:
材料科学
·
环境科学
·
能源工程
✓ 已验证
产品关联
DOI
PubMed
高影响因子
Recent Patents on Nanotechnology
·
2020
·Vol. 14
·期 1
·35-41
·
IF 0.977
Li Na,Qian Yongfang,Zhang Zhen,Wang Ying,Lve Lihua,Wei Chunyan
Background: The electrospinning and the bubble electrospinning provide facile ways for the fabrication of functional nanofibers by incorporating rutin/hydroxypropyl-β-cyclodextrin inclusion complex (RT/HP-β-CD-IC) in Polyvinyl Alcohol (PVA). Few patents on incorporation of
rutin and cyclodextrin in nanofibers has been reported. Objective: The study aimed at increasing the loading amount of rutin in the electrospun nanofibers to obtain ultraviolet resistant property. Methods: Rutin was encapsulated in the cavity of RT/HP-β-CD and formed an inclusion
complex. Fourier Transform Infrared Spectroscopy (FTIR) and Differential Scanning Calorimeter (DSC) was used to verify the formation of inclusion complexes. Results: The results showed that the inclusion between rutin and HP-β-CD had been successfully formed. The surface morphologies
of nanofibrous membranes were characterized by Scanning Electron Microscope (SEM), which indicated that adding RT/HP-β-CD inclusion complexes had little influence on the morphologies and diameters of the fibers. Ultraviolet resistant results also confirmed the inclusion complex had increased
the loading amount in the final nanofibrous mats, and thus had good ultraviolet resistant properties. Conclusion: The formed inclusion complexes had obviously enhanced the loading amount of rutin in electrospun PVA nanofibers, indicating that encapsulation of rutin in the cavity of HP-β-CD
is a good way to increase the loading amount.
研究领域:
材料科学
·
药学
✓ 已验证
DOI
PubMed
高影响因子
POLYMER DEGRADATION AND STABILITY
·
2024
·
IF 6.3
Li-Yao Zhang,Wan-Meng Song,Bao-Hong Wang,Ping Li,Yan-Peng Ni,Yun Liu
In this study, multifunctional polyester-cotton fabrics (PTCO) were constructed by gradually assembling polyethyleneimine phenyl phosphonate (POI) and different hydrophobic agents, respectively. The effect of different hydrophobic agents including tetraethyl orthosilicate, perfluorooctyltriethoxysilane (PFDTES), and hexadecyltrimethoxysilane on the thermal stability, flame retardancy, hydrophobic property, UV resistance and antibacterial property of PTCO/POI was investigated in detail. PTCO/POI-SiF had better flame retardancy due to the flame-retardant effect of PFDTES and POI, and the limiting oxygen index increased from 29.8 % to 31.2 %. The thermal oxidation stability of PTCO/POI-SiH and PTCO/POI-SiF was significantly improved in high temperatures, and the char residues at 700 °C were increased from 4.1 % to 7.6 % and 7.4 %. And PTCO/POI-SiH and PTCO/POI-SiF had excellent superhydrophobic properties with water contact angles of 151° and 162° and sliding angles of 4° and 3°. The ultraviolet protection factors of them were increased to 56.9 and 63.3, respectively, which had a good UV resistance. And both PTCO/POI-SiH and PTCO/POI-SiF had excellent antibacterial effects for E. coli and S. aureus . The breaking force, whiteness and moisture permeability of the finished fabrics had not been changed. Therefore, it is believed that PTCO/POI-SiH and PTCO/POI-SiF are promising for application in multifunctional fabrics.
研究领域:
材料科学
·
纺织工程
·
化学工程
✓ 已验证
产品关联
DOI
高影响因子
危险品化学品经营许可证（带存储）