Results 31 to 40 of about 241,122 (250)
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
Effect of Varying Mixing Ratios and Pre-Heat Temperature on the Mechanical Properties of Polyurethane (PU) Foam [PDF]
, 2015 The continuous growth of the usage of Polyurethane foams requires that designers and manufacturers investigate the appropriate factors that affect their production and full usage in order to exploit their full potential. This research reports the effects
Oppon, Charles +7 more
core +1 more source
The dynamic behaviour of a modified polyurethane resin [PDF]
, 2009 The dynamic response of both a pure and nano-reinforced polyurethane replacement resin (PRR) have been investigated using plate impact techniques. Similar U-P-U-S Hugoniot equations of state have been established for both materials, despite the altered ...
Cooper, G. +11 more
core +1 more source
Shape Memory Effect and Properties Memory Effect of Polyurethane [PDF]
, 2013 The relationship between shape and properties memory effect, especially viscoelastic properties of polyurethane under study is the main aim of this research work.
FARZANEH, Sedigheh +6 more
core +1 more source
Fabrication, Characterization and low-velocity impact testing of hybrid sandwich composites with polyurethane/layered silicate foam cores [PDF]
, 2010 A series of nanophased hybrid sandwich composites based on polyurethane/montmorillonite (PU/MMT) has been fabricated and characterised. Polyaddition reaction of the polyol premix with 4,4'-diphenylmethane diisocyanate was applied to obtain nanophased ...
Walton, A. C. +9 more
core +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
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
Study of Aerogel-Modified Recycled Polyurethane Nanocomposites
Nanomaterials, 2023 In this study, a liquid regenerated polyether polyol was obtained after the degradation of waste PU foam by the two-component decrosslinker agents ethylene glycol and ethanolamine.
Xiaohua Gu +3 more
doaj +1 more source
Effects of Chain Extender to the Structure of Castor Oil-Based Polyurethane Foam [PDF]
, 2012 Polyurethane foam is cellular polymer that synthesized by chemical reaction between polyol and isocyanate. In this work we studied the effects of chain extender to the polyurethane foam structure that produced from polyol mixture consist of polypropylene
Edhi , Pratondo +3 more
core +1 more source