Results 21 to 30 of about 241,122 (250)
Determination of thermo-mechanical properties of recycled polyurethane from glycolysis polyol
Scientific African, 2021 Polyurethane foam is one of the most versatile polymers widely used in the automotive industry. However, due to the rising amount of polyurethane foam waste in the environment, there is growing research attention focusing on circular economy solutions to
James K. Njuguna +5 more
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Shuiwen dizhi gongcheng dizhi, 2021 In view of the problems existing in the ecological restoration of rock slope, such as the slide of the soil substrate, the serious loss of the surface soil and the poor growth of vegetation, etc., in this paper, polyurethane organic polymer materials and
Yongxiang YU +6 more
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Scientific Reports, 2021 This paper presents a research on the kinetics and gas release laws of the cooperative spontaneous combustion of coal-polyurethane binary system by means of thermogravimetric analysis and spontaneous combustion simulation experiments.
Haiyan Wang +3 more
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Crystals, 2023 Polyurethane is a multipurpose polymer with indispensable physical characteristics and technical uses, such as films/coatings, fibers, and foams. The inclusion of nanoparticles in the polyurethane matrix has further enhanced the properties and potential ...
Ayesha Kausar +5 more
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Developments of polyurethane in biomedical applications: A review
Resources Chemicals and Materials, 2023 Polyurethane is an excellent and widely used polymer material. In synthesizing polyurethane, the structure of soft and hard segments in polyurethane could be adjusted, which can obtain better properties than other polymer materials, such as good ...
Minghui Cui +4 more
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Research Progress in Characterization Methods of Anti-corrosion and Wear-resistant Polyurethane Coatings [PDF]
MATEC Web of Conferences, 2022 Polyurethane is a coating material widely used in the field of anti-corrosion and wear resistance. At present, a lot of research work has been carried out in the research and development of polyurethane materials and process improvement.
Jia Xinghui +4 more
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An experimental and analytical study of the elasticity of model polyurethane networks crosslinked by tri- and quadriisocyanate [PDF]
, 2010 The original publication is available at www.springerlink.com : http://link.springer.com/article/10.1007%2Fs00396-009-2145-6?LI=truePolyurethane networks have been prepared from a mix of tri- and quadriisocyanate and from two types of diols, polyether ...
GILORMINI, Pierre +2 more
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Effects of ultrasound on polymeric foam porosity [PDF]
, 2008 A variety of materials require functionally graded cellular microstructures whose porosity is engineered to meet specific applications (e.g. mimic bone structure for orthopaedic applications; fulfil mechanical, thermal or acoustic constraints in ...
Corney, J.R., Torres-Sanchez, C.
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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
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Thermal-Mechanical Properties of Polyurethane-Clay Shape Memory Polymer Nanocomposites [PDF]
, 2010 Shape memory nanocomposites of polyurethane (PU)-clay were fabricated by melt mixing of PU and nano-clay. Based on nano-indentation and microhardness tests, the strength of the nanocomposites increased dramatically as a function of clay content, which is
Kraft, Arno, +21 more
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