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Utilization of Acacia auriculiformis seed (Akashmoni) oil – A new source for the synthesis of alkyd resin

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Title Utilization of Acacia auriculiformis seed (Akashmoni) oil – A new source for the synthesis of alkyd resin
 
Creator Chakraborty, Anirban
Ghosh, Mahua
 
Subject Acacia auriculiformis
Alkyd resin
Bio-renewable
Epoxy
Vernolic acid
 
Description 717-723
An alkyd resin is prepared from a renewable raw material Acacia auriculiformis seed oil (ASO), which has a high
content of linoleic acid. Long oil alkyd resins have been synthesized by alcoholysis followed by the poly-esterification
method using oil, glycerol, pentaerythritol (PE), sorbitol, phthalic anhydride (PA), and maleic anhydride (MA) in
proportions according to alkyd formula calculation. The various physicochemical properties of ASO like acid value,
saponification value, iodine value, etc, and fatty acid composition were determined. Physico-chemical properties of alkyd
resins like viscosity, acid value, nonvolatile matter, etc. were determined and compared with soybean oil-based alkyd resins.
The structural characterization of the resins was carried out using Fourier transform infrared (FTIR) and proton nuclear
magnetic resonance (1H NMR) spectroscopic techniques. These resins were cured by drier and their film properties were
determined. The drying properties of the alkyd resins had been improved remarkably in the case of ASO-based resin. The
performance of coating film produced by these alkyd resins were characterized by drying time, gloss measurement, hardness
test, cross-cut adhesion test, and chemical resistance test. Analysis of these alkyds proved that ASO can be used as a new
potential raw material for surface coating application.
 
Date 2022-02-02T11:40:50Z
2022-02-02T11:40:50Z
2021-11
 
Type Article
 
Identifier 0975-0991 (Online); 0971-457X (Print)
http://nopr.niscair.res.in/handle/123456789/59049
 
Language en
 
Publisher NIScPR-CSIR, India
 
Source IJCT Vol.28(6) [November 2021]