Results 31 to 40 of about 11,637 (219)
Synthesis and process optimization of electrospun PEEK-sulfonated nanofibers by response surface methodology [PDF]
, 2015 In this study electrospun nanofibers of partially sulfonated polyether ether ketone have been produced as a preliminary step for a possible development of composite proton exchange membranes for fuel cells.
Boaretti, Carlo +3 more
core +2 more sources
Pearlnecklacelike chain conformation of hydrophobic polyelectrolyte: a SANS study of partially sulfonated polystyrene in water [PDF]
, 2007 The form factor of partially sulfonated polystyrene PSSNa (degree of sulfonation f =1, 0.72, 0.64 and 0.36), at polymer concentration 0.17M and 0.34M, without or with added salt (0 M, 0.34M, & 0.68M), is measured by Small Angle Neutron Scattering using ...
Boué, François +2 more
core +4 more sources
Journal of Leather Science and Engineering, 2022 Effect of retanning on the thermal stability of leather is eliciting increasing attention. However, the relationship between the hydrophilicity of retanning agents and the heat resistance of leather and the corresponding mechanism remain unclear. Herein,
Qingyong Sun +4 more
doaj +1 more source
Structure, Thermal Properties and Proton Conductivity of the Sulfonated Polyphenylquinoxalines
Membranes, 2022 This paper briefly reviews the results of scientific research on the proton conductivity of sulfonated polyphenylquinoxalines. Synthesis, structure (IR spectroscopy, SEM, quantum-chemical modeling, molecular weight distribution), moisture capacity ...
Anna V. Pisareva +9 more
doaj +1 more source
Hydrophobic Polyelectrolytes in Better Polar Solvent. Structure and Chain Conformation as seen by Saxs and Sans [PDF]
, 2009 We demonstrate in this paper the influence of solvent quality on the structure of the semi-dilute solution of a hydrophobic polyelectrolyte, partially sulfonated Poly-Styrene Sulfonate.
Boué, François +3 more
core +4 more sources
Review: equipment for anionic surfactant manufacture from oil palm
Publicaciones e Investigación, 2010 In the present study is performed a review of the current processes of sulfonation of various raw materials for determine the process conditions in order to present the state of the art of sulfonation processes for the manufacture of anionic surfactants.
Jesús Alfonso Torres Ortega
doaj +1 more source
Indonesian Journal of Chemistry, 2020 Synthesis biopolymer of sulfonated copolymer eugenol-diallyl phthalate (PEGDAF), its characterization, and study of proton exchange polymer membrane properties had been done.
Ngadiwiyana Ngadiwiyana +4 more
doaj +1 more source
Bioactive Materials, 2020 Fabricating a desired porous structure on the surface of biomedical polyetheretherketone (PEEK) implants for enhancing biological functions is crucial and difficult due to its inherent chemical inertness.
Teng Wan +7 more
doaj +1 more source
Ion exchange membranes based upon crosslinked sulfonated polyethersulfone for electrochemical applications [PDF]
, 2013 Synthesis and characterization of new ion exchange membranes made from chlorosulfonated polyethersul- fone (SO2Cl-PES) crosslinked by polyaminated crosslinking reagents have been performed.
FAUVARQUE, J.F +5 more
core +6 more sources
Radiation grafted membranes [PDF]
, 2008 The development of proton-exchange membranes for fuel cells has generated global interest in order to have a potential source of power for stationary and portable applications.
Alkan Gursel, Selmiye +5 more
core +1 more source