Results 21 to 30 of about 26,556 (257)
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
Proton Exchange Membrane Based on Sulfonated Poly (Aromatic Imide-Co-Aliphatic Imide) for Direct Methanol Fuel Cell [PDF]
Materials Research, 2017 A new sulfonated poly(aromatic imide-co-aliphatic imide) (SPI) for the use as a polymer electrolyte membrane was successfully synthesized from 4,4'-diaminodiphenylmethane (DDM), 4,4'-diaminodiphenylmethane-2,2'-disulfonic acid disodium salt (S-DDM ...
Phornpussadee Umsarika +5 more
doaj +1 more source
Membranes, 2023 Conventional drug delivery has its share of shortcomings, especially its rapid drug release with a relatively short duration of therapeutic drug concentrations, even in topical applications. Prolonged drug release can be effectively achieved by modifying
Himabindu Padinjarathil +6 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
Frontiers in Chemistry, 2022 Efficient valorization of renewable liquid biomass for biodiesel production using the desirable biomass-based catalysts is being deemed to be an environmentally friendly process.
Songdang Zhang +4 more
doaj +1 more source
Preparation and properties of a composite charged membrane [PDF]
, 1982 In order to develop a low pressure desalination membrane with fixed ionic charges, we made use of the normally unwanted crosslinking tendency in preparing the polyelectrolyte poly(styrenesulfonate) by sulfonation of polystyrene.
Boer, R. de +3 more
core +3 more sources
Continuous sulfonation of hexadecylbenzene in a microreactor
Green Processing and Synthesis, 2021 Heavy alkyl benzene sulfonates are inexpensive surfactants that are extensively used as oil-displacing agents during tertiary oil recovery. Among these, C16–18 heavy alkyl benzene sulfonates possess an excellent ability to reduce the oil-water interface ...
Xu Yiming +8 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
semanticscholar +1 more source
Biodiesel Production From Oleic Acid Using Biomass-Derived Sulfonated Orange Peel Catalyst
Frontiers in Catalysis, 2022 Biodiesel, as an alternative fuel for petroleum-based fuel, has recently acquired significant attention. The current study focused on using biowaste to produce catalysts for low-cost biodiesel manufacturing.
Manoj Kumar Kumawat +1 more
doaj +1 more source
International Journal of Technology, 2022 As a surfactant, methyl ester sulfonate (MES) can be produced from virgin coconut oil (VCO) raw materials through the following stages: transesterification, sulfonation, and purification.
Lailatul Qadariyah +5 more
doaj +1 more source