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Facile fabrication of ultradurable flame-retardant and hydrophobic cotton fabric with P/N-rich maltodextrin derivative and octadecyltrimethoxysilane.
Int J Biol Macromol
September 2024
State Key Laboratory of Resource Insects, Chongqing Engineering Research Center of Biomaterial Fiber and Modern Textile, College of Sericulture, Textile and Biomass Sciences, Southwest University, Chongqing 400715, China; Jiangsu Engineering Research Center of Textile Dyeing and Printing for Energy Conservation, Discharge Reduction and Cleaner Production (ERC), Soochow University, Suzhou 215123, China. Electronic address:
Article Synopsis
- Researchers created a new type of cotton fabric that is flame-retardant and water-repellent, addressing issues of durability using a biodegradable maltodextrin derivative and octadecyltrimethoxysilane through a simple dipping-baking process.
- The fabric demonstrated impressive fire resistance with a limiting oxygen index (LOI) of 34.7% and a water contact angle (WCA) of 143.3°, indicating strong hydrophobic properties.
- Even after extensive testing, including 50 wash cycles and 3000 friction cycles, the fabric maintained significant flame-retardancy and water-repellency, showcasing a promising sustainable approach for everyday textile applications.
Fabrication of a modified bacterial cellulose with different alkyl chains and its prevention of abdominal adhesion.
Int J Biol Macromol
July 2024
School of Material Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China. Electronic address:
Article Synopsis
- - This study focuses on creating a new type of hernia mesh made from siloxane-modified bacterial cellulose to improve adhesion prevention and abdominal wall repair while ensuring good compatibility with human tissues.
- - Researchers used chemical vapor deposition to modify bacterial cellulose and tested how different lengths of alkyl chains affected the material's surface properties and the behavior of cells.
- - Results indicated that the longest alkyl chain version, BC-C16, displayed excellent long-term effectiveness in preventing adhesions and showed favorable tissue compatibility, making it a promising candidate for clinical use in hernia repairs.
Solvent Cavitation during Ambient Pressure Drying of Silica Aerogels.
Langmuir
June 2024
Department of Biomaterials, Max Planck Institute of Colloids and Interfaces, 14476 Potsdam, Germany.
Ambient-pressure drying of silica gels stands out as an economical and accessible process for producing monolithic silica aerogels. Gels experience significant deformations during drying due to the capillary pressure generated at the liquid-vapor interface in submicron pores. Proper control of the gel properties and the drying rate is essential to enable reversible drying shrinkage without mechanical failure.
View Article and Find Full Text PDFPOSS and PEG Contained Copolymer for Antibioadhesive Rigid Contact Lenses Materials Application.
Biomacromolecules
May 2024
National Engineering Research Center of Ophthalmology and Optometry, School of Biomedical Engineering, School of Ophthalmology and Optometry, Eye Hospital, Wenzhou Medical University, Wenzhou 325027, China.
Myopia is a global public health issue. Rigid contact lenses (RCLs) are an effective way to correct or control myopia. However, bioadhesion issues remain one of the significant obstacles limiting its clinical application.
View Article and Find Full Text PDFSpringback effect of ambient-pressure-dried silica aerogels: nanoscopic effects of silylation revealed by synchrotron X-ray scattering.
Nanoscale Adv
December 2023
Technische Universität Berlin, Faculty III Process Sciences, Institute of Materials Science and Technology, Chair of Advanced Ceramic Materials Straße des 17. Juni 135 10623 Berlin Germany https://www.tu.berlin/ceramics +49 30 314 22653.
Ambient pressure drying (APD) allows for synthesizing aerogels without expensive and sophisticated equipment for achieving supercritical conditions. Since APD does not eliminate the capillary stress that is induced by the liquid/vapour phase boundary, the shrinkage during drying needs to be prevented or reversed. The re-expansion of the silylated silica gels during drying is commonly referred to as the springback effect (SBE).
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