An Investigation into the Conversion of Propylene Glycol to 2,4-dimethyl-1,3-dioxolane over an Acid Catalyst Using Gas Chromatography

Zuo You Zhang; Hui Chen; Xia Li; Zhao Hui Yang; Bao Chen Liang

doi:10.4028/www.scientific.net/AMR.850-851.82

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 850-851An Investigation into the Conversion of Propylene...

An Investigation into the Conversion of Propylene Glycol to 2,4-dimethyl-1,3-dioxolane over an Acid Catalyst Using Gas Chromatography

Abstract:

In the presence of an acid catalyst, PG react reversibly with acetaldehyde to form 2,4-dim-ethyl-1,3-dioxolane (24DMD). The effects of different operational parameters on PG conversion had been analyzed in paper, parameters included temperature, reaction time, amount of catalyst and aqueous acetaldehyde/PG molar ratio. Under optimal condition, 85% conversion of PG in aqueous solution was achieved within 180 min of reaction. The analysis of PG was conducted by gas chromatograph. Furthermore, reaction followed the second-order reaction kinetics, and the reaction rate constant was found to be 29.68min^-1.

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Periodical:

Advanced Materials Research (Volumes 850-851)

Pages:

82-85

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.850-851.82

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Online since:

December 2013

Authors:

Zuo You Zhang, Hui Chen*, Xia Li, Zhao Hui Yang, Bao Chen Liang

Keywords:

2,4-dimethyl-1,3-dioxolane, Acetalization, Acid Resin Catalyst, Kinetic, Propylene Glycol

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References

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