Results 11 to 20 of about 2,565 (210)

Preparation and Characterization of Metal Soaps of Cocos nucifera Seed Oil

open access: yesJournal of Applied Sciences and Environmental Management, 2014
This study investigated the extraction of Cocos nucifera seed oil (CSO) from Cocos nucifera seed using aqueous processing and the production of metal soaps from the oil and their characterization in terms of colour, pH, free caustic alkalinity, foaming ...
E K Ossai
doaj   +1 more source

The effect of Ca/Mg/Zn mixing ratio on the research octane number of bio-gasoline during basic soap pyrolysis

open access: yesHeliyon, 2021
Pyrolysis is one of the available technologies to convert oleic basic soap into gasoline-compatible fuel. In this research, the process mentioned was applied using the mixture of Ca, Mg, Zn in the production of oleic basic soap.
Endar Puspawiningtiyas   +7 more
doaj   +1 more source

Evaluation of the effect of temperature on the stability of metal soaps of dicarboxylic acids

open access: yesJournal of Applied Sciences and Environmental Management, 2005
The thermal stability of calcium and zinc dicarboxylates was studied. The kinetics of the decomposition was studied thermogravimetrically at various temperatures. The rates of the first stage decomposition were used to assess the effect of temperature on
EU Ikhuoria, FE Okieimen, A I Aigbodion
doaj   +1 more source

Degradation Products Assessment of the Wooden Painted Surfaces from a XVIIth Heritage Monastery

open access: yesApplied Sciences, 2023
Currently, approximately 70% of paintings in museum collections are affected by the presence of metallic soaps, evidenced by spherical globules visible on the surface of the paintings.
Rodica-Mariana Ion   +5 more
doaj   +1 more source

The Synthesis of Magnesium Soaps as Feed for Biohydrocarbon Production

open access: yesMATEC Web of Conferences, 2018
In previous study, by heating magnesium basic soaps from palm stearine will decarboxylated and produced biohydrocarbon. The frequent method to produced metal soaps from triglyceride in laboratory scale is metathesis.
Pratiwi Meiti   +3 more
doaj   +1 more source

Computational modelling of metal soap formation in historical oil paintings: the influence of fatty acid concentration and nucleus geometry on the induced chemo-mechanical damage

open access: yesSN Applied Sciences, 2020
Metal soap formation is one of the most wide-spread degradation mechanisms observed in historical oil paintings, affecting works of art from museum collections worldwide.
G. J. A. M. Eumelen   +6 more
doaj   +1 more source

Sustainable Diesel from Pyrolysis of Unsaturated Fatty Acid Basic Soaps: The Effect of Temperature on Yield and Product Composition

open access: yesMolecules, 2022
The production of sustainable diesel without hydrogen addition remains a challenge for low-cost fuel production. In this work, the pyrolysis of unsaturated fatty acid (UFA) basic soaps was studied for the production sustainable diesel (bio-hydrocarbons).
Endar Puspawiningtiyas   +11 more
doaj   +1 more source

The Effects of Cold Saponification on the Unsaponified Fatty Acid Composition and Sensory Perception of Commercial Natural Herbal Soaps

open access: yesMolecules, 2018
Saponification is the process in which triglycerides are combined with a strong base to form fatty acid metal salts during the soap-making process. The distribution of unsaturated and saturated fatty acid determines the hardness, aroma, cleansing, lather,
Natalia Prieto Vidal   +8 more
doaj   +1 more source

Manganese and Iron Catalysts in Alkyd Paints and Coatings

open access: yesInorganics, 2016
Many paint, ink and coating formulations contain alkyd-based resins which cure via autoxidation mechanisms. Whilst cobalt-soaps have been used for many decades, there is a continuing and accelerating desire by paint companies to develop alternatives for ...
Ronald Hage   +2 more
doaj   +1 more source

Infrared chemical mapping of degradation products in cross-sections from paintings and painted objects

open access: yesHeritage Science, 2019
Paintings and painted objects are quite susceptible to degradation, as paint layers are usually composed of complex mixtures of materials that can participate in chemical degradation processes.
Eric J. Henderson   +3 more
doaj   +1 more source

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