Results 21 to 30 of about 295,461 (303)
Tribology Online, 2017 Texturing on sliding surface of resin seal ring was attempted to improve lubrication in this study. Numerical analysis of hydrodynamic flow at the sliding surface was conducted by Reynolds equation using the finite differential method.
Koji Watanabe +3 more
doaj +1 more source
The Impact of Polysulfone Solution Concentration on the Morphology of the Support Layer in Thin-Film Composite Membranes [PDF]
علوم و تکنولوژی پلیمرHypothesis: Among different membrane processes, reverse osmosis is widely used in desalination, water treatment, and the preparation of ultra-pure water.
samal babanzadeh +1 more
doaj +1 more source
Frontiers in Chemistry, 2022 Waterborne polyurethane has been proven to be an ideal additive for the preparation of hydrogels with excellent mechanical properties. This work reports that a satisfactory adhesion of acrylamide hydrogels can be obtained by introducing a large amount of
Jiahao Shen +10 more
doaj +1 more source
PH Responsive Polyurethane for the Advancement of Biomedical and Drug Delivery
Polymers, 2022 Due to the specific physiological pH throughout the human body, pH-responsive polymers have been considered for aiding drug delivery systems. Depending on the surrounding pH conditions, the polymers can undergo swelling or contraction behaviors, and a ...
Renke Tan +4 more
semanticscholar +1 more source
Polyurethane Recycling and Disposal: Methods and Prospects
Polymers, 2020 Growing water and land pollution, the possibility of exhaustion of raw materials and resistance of plastics to physical and chemical factors results in increasing importance of synthetic polymers waste recycling, recovery and environmentally friendly ...
Aleksandra Kemona, M. Piotrowska
semanticscholar +1 more source
Nature Communications, 2020 Self-repairable materials strive to emulate curable and resilient biological tissue; however, their performance is currently insufficient for commercialization purposes because mending and toughening are mutually exclusive.
Youngho Eom +8 more
semanticscholar +1 more source
Applied Sciences, 2021 This review article aims to summarize the potential of using renewable natural resources, such as lignin and tannin, in the preparation of NIPUs for wood adhesives.
Manggar Arum Aristri +8 more
semanticscholar +1 more source
Mechanical properties of foamed polyurethane solidified ballasted track
High-Speed Railway, 2023 Foamed Polyurethane Solidified Ballasted Track (FPSBT), an innovative railway track, is formed by solidifying ballast bed with foamed polyurethane. Compared with the traditional Discrete Ballasted Track (DBT), FPSBT does not require regular maintenance ...
Yang Xu +3 more
doaj +1 more source
Thermoset Shape‐Memory Polyurethane with Intrinsic Plasticity Enabled by Transcarbamoylation
Angewandte Chemie - International Edition, 2016 Zizheng Fang, Qian Zhao, Ning Zheng
exaly +2 more sources
Journal of Industrial Textiles, 2022 In the recent decade, the growth of medical textiles is enormous and it paves the sustained development in the quality of life. In this research, an electrospun textile scaffold comprising polyurethane impregnated with Alternanthera sessilis oil was ...
Saravana Kumar Jaganathan +1 more
doaj +1 more source