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Title: Selective esterification of triethylene glycol with methacrylic acid using methane sulphonic acid
Authors: Notay, J S
Dahiwale, S M
Bhagade, S S
Issue Date: May-2003
Publisher: NISCAIR-CSIR, India
Abstract: The esterification of tri-ethylene glycol with methacrylic acid under identical conditions of catalyst concentration, for synthesis of tri-ethylene glycol di-methacrylate using sulphuric acid and methane sulphonic acid as catalyst is discussed. The reaction by-products are lesser in case of methane sulphonic acid catalyst, in comparison to sulphuric acid catalyst. Therefore the yield of ester product, tri-ethylene glycol di-methacrylate, achieved during the synthesis is higher with the use of methane sulphonic acid as a catalyst, than on use of sulphuric acid as catalyst. This concludes that methane sulphonic acid has better catalyst selectivity in comparison to sulphuric acid, for the synthesis of tri-ethylene glycol di- methacrylate. Methane sulphonic acid when neutralized is easily bio-degradable which is also desirable from environmental point of view.
Page(s): 324-325
ISSN: 0975-0991 (Online); 0971-457X (Print)
Appears in Collections:IJCT Vol.10(3) [May 2003]

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