Results 111 to 120 of about 10,811 (230)

Water Filtration Using Plant Xylem [PDF]

arXiv, 2013
Effective point-of-use devices for providing safe drinking water are urgently needed to reduce the global burden of waterborne disease. Here we show that plant xylem from the sapwood of coniferous trees - a readily available, inexpensive, biodegradable, and disposable material - can remove bacteria from water by simple pressure-driven filtration ...
arxiv  

Highly efficient isolation of waterborne sound by an air-sealed metasurface [PDF]

arXiv, 2016
Underwater sound isolation has been a long-standing fundamental issue in industry and military fields. Starting from a simple theoretical model, here an air-sealed metasurface is proposed to overcome this problem. Comparing with the sample without filling air, the effective impedance of the air-sealed one is greatly reduced and strikingly mismatch with
arxiv  

Revision-Polyurethane-Graphene Nanocomposites for Corrosion-Resistant Coatings [PDF]

, 2015
Corrosion is a prevalent concern throughout the world, causing significant monetary and safety concerns. Research has been dedicated to developing cost-effective solutions for corrosion that will also meet increasingly stringent environmental regulations.
Stevenson, Alexandra Rose
core   +1 more source

Waterborne Polyurethane Modified by Hydroxyl-Terminated Polyacrylate [PDF]

, 2010
Wei Chen, Hao Li, Yan Zhang, Ge-Wen XU, Yi-Ping HUANG   +4 more
openalex   +1 more source

Rapid and unambiguous determination of the open time for waterborne paint films with Laser Speckle Imaging [PDF]

arXiv, 2019
In drying coatings, the time span between the deposition of the wet film and the formation of an uniform solid harbors a procession of complex phenomena each of which carves the final properties of the dry paint film. Attaining a better control of the drying process requires the availability of a tool that allows monitoring the attending dynamics.
arxiv  

Effects of application methods and species of wood on color changes of varnishes [PDF]

, 2011
In this study, the color effects of wood materials to coloring with different application methods (brush, roller sponge and spray gun) and waterborne varnishes were investigated according to ASTM-D 2244.
Budakci, M, Cinar, H, Ozcifci, A, Sonmez, A   +3 more
core   +2 more sources

Underwater Willis lens for broadband low-frequency focusing [PDF]

arXiv
Broadband underwater sound focusing in the low-frequency range is essential for various applications such as battery-free environmental monitoring and sensing. However, achieving low-frequency underwater focusing typically necessitates bulky, heavy structures that hinder practical deployment.
arxiv  

An Engineered Heterostructured Trinity Enables Fire-Safe, Thermally Conductive Polymer Nanocomposite Films with Low Dielectric Loss

Nano-Micro Letters
Highlights The as-fabricated waterborne polyurethane (WPU) nanocomposite film exhibits a 55.6% improvement in limiting oxygen index, 66.0% and 40.5% reductions in peak heat release rate and total heat release, respectively, and 93.3% increase in tensile ...
Qiang Chen, Jiabing Feng, Yijiao Xue, Siqi Huo, Toan Dinh, Hang Xu, Yongqian Shi, Jiefeng Gao, Long-Cheng Tang, Guobo Huang, Weiwei Lei, Pingan Song   +11 more
doaj   +1 more source

Review on the Use of Nanofillers in Polyurethane Coating Systems for Different Coating Applications [PDF]

, 2019
Polyurethane (PU) is the most common, versatile and researched material in the world. It is widely used in many applications such as medical, automotive and industrial fields.
Deshmukh, Gauri P., Mahanwar, Prakash A.
core   +1 more source

Preparation of Fluorinated Waterborne Polyurethane Containing Ionic in Soft Segment [PDF]

, 2011
Beibei JIANG, Jianjun Yang, Qingyun WU, Jianan ZHANG, Mingyuan Wu   +4 more
openalex   +1 more source