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Strong, high barrier, water- and oil-resistant cellulose paper-based packaging material enabled by polyvinyl alcohol-bentonite coordination interactions.
Int J Biol Macromol
January 2025
Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University, 210037 Nanjing, China. Electronic address:
Nowadays, plastics are widely used in daily life, but they pose huge threats to both the environment and human health. Therefore, it is imperative to develop green, sustainable and high-performance cellulose-based paper materials to replace plastics. A key challenge for paper-based packaging materials is the need for waterproof and oil-resistant properties.
View Article and Find Full Text PDFSystematic Investigation on the Swelling Response and Oil Resistance of NBR Using the Prediction Models Determined by the Modified Flory-Huggins Interaction Parameter.
Polymers (Basel)
September 2024
Key Laboratory of Rubber-Plastics, Ministry of Education, Qingdao University of Science & Technology, Qingdao 266042, China.
The equilibrium swelling test was employed to determine the swelling response of Nitrile Butadiene Rubber (NBR) with various acrylonitrile (ACN) contents, and the three-dimensional solubility parameter (HSP) and modified Flory-Huggins interaction parameter (χ) were used to establish the prediction model of the oil-resistant property. The results indicate that the energy difference (Ra) between NBR and solvents calculated by HSP values can be correlated with the swelling response qualitatively with an inversed "S-shape", and high swelling response occurs at Ra < 8 MPa for NBR. For the purpose of establishing the prediction model, the new modified χ value has been calculated and fitted with the swelling response using exponential and logarithmic fittings, respectively.
View Article and Find Full Text PDFOil-Resistant Underoil Superhydrophilic Metallic Foams for Lampblack Prefiltration.
ACS Appl Mater Interfaces
October 2024
Jiangsu Key Laboratory of Advanced Metallic Materials, School of Materials Science and Engineering, Southeast University, No. 2, Southeast University Road, Nanjing 211189, P. R. China.
Superwetting/repelling coatings have been utilized to address the issue of oil contamination on lampblack prefiltration metallic foam by both academia and industry. Nevertheless, the widely adopted superamphiphobic coatings are currently costly and suffer from poor wear resistance. In this study, we propose an oil-resistant underoil superhydrophilic (LSH) coating by a dip-coating method.
View Article and Find Full Text PDFPreparation of multi-barrier and multi-functional paper-based materials by chitosan, ethyl cellulose and green walnut husk biorefinery products for sustainable food packaging.
Int J Biol Macromol
October 2024
Faculty of Food Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China. Electronic address:
The growing interest in paper-based materials for packaging is driven by their renewable and eco-friendly characteristics. However, their poor barrier performance against water, oil, and gas limits their application in the food packaging industry. In this study, we developed a simple dual-layer coating method to create water- and oil-repellent, gas barrier, antioxidant, and antibacterial paper-based materials using naturally-derived materials, including chitosan (CS), ethyl cellulose (EC), and cascade biorefinery products from green walnut husk (GWHE and CNC).
View Article and Find Full Text PDFRational Design of Oil-Resistant and Electrically Conductive Fluorosilicone Rubber Foam Nanocomposites for Sensitive Detectability in Complex Solvent Environments.
ACS Nano
August 2024
College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology of MoE, Hangzhou Normal University, Hangzhou 311121, China.
Recent years have witnessed the explosive development of highly sensitive smart sensors based on conductive polymer foam materials. However, the design and development of multifunctional polymeric foam composites as smart sensors applied in complex solvent and oil environments remain a critical challenge. Herein, we design and synthesize vinyl-terminated polytrifluoropropylmethylsiloxane through anionic ring-opening polymerization to fabricate fluorosilicone rubber foam (FSiRF) materials with nanoscale wrinkled surfaces and reactive Si-H groups via a green and rapid chemical foaming strategy.
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