Modern Research in Catalysis

Volume 3, Issue 2 (April 2014)

ISSN Print: 2168-4480   ISSN Online: 2168-4499

Google-based Impact Factor: 1.83  Citations  

Improved Stability and Shape Selectivity of 2,6-Dimethylnaphthalene by Methylation of Naphthalene with Methanol on Modified Zeolites

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DOI: 10.4236/mrc.2014.32004    3,763 Downloads   6,068 Views  Citations

ABSTRACT

2,6-Dimethylnaphthalene (2,6-DMN) is a key intermediate for polyethylene naphthalate synthesis. The selective synthesis of 2,6-DMN from naphthalene and methanol was carried out over different zeolites (HZSM-5, Hβ, HUSY and SAPO-11) modified by 0.1wt% PdO under atmospheric pressure. Among the adopted zeolites, SAPO-11 exhibits exceptional shape-selectivity and stability to synthesize 2,6-dimethylnaphthalene from methylation of naphthalene, due to the special pore structure of SAPO-11 which inosculated better with 2,6-dimethylnaphthalene than with 2,7-dimethylnaphthalene.

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Zhang, Y. , Feng, J. , Lyu, Z. and Li, X. (2014) Improved Stability and Shape Selectivity of 2,6-Dimethylnaphthalene by Methylation of Naphthalene with Methanol on Modified Zeolites. Modern Research in Catalysis, 3, 19-25. doi: 10.4236/mrc.2014.32004.

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