In situ Cross-linked Chitosan Composite Superfine Fiber via Electrospinning and Thermal Treatment for Supporting Palladium Catalyst 


Vol. 19,  No. 7, pp. 1463-1471, Jul.  2018
10.1007/s12221-018-8166-3


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  Abstract

Uniform chitosan fibers (CS/PEO) with diameter of 398짹76 nm were prepared by electrospinning with merely 5 wt.% of poly(ethylene oxide) (PEO) loading, and then annealed at elevated temperature without the use of additional crosslinker to improve the thermostability and solvent resistance. Swelling test shows that the CS/PEO composite fibers annealed at 200 were stable in 50 wt.% acetic acid aqueous solution. The mechanical strength test shows that the annealing temperature can affect the tensile strength of CS/PEO composite fiber mat. The cross-linked CS/PEO composite fibers provide a useful platform for the immobilization of palladium catalyst to catalyze the Mizoroki-Heck reactions of aromatic halides with olefins. Moreover, these CS/PEO composite fibers could be post modified with special ligands to chelate palladium species efficiently to further improve the catalytic activity and stability.

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  Cite this article

[IEEE Style]

L. Nie, L. Liang, M. Jiang, L. Shao, C. Qi, "In situ Cross-linked Chitosan Composite Superfine Fiber via Electrospinning and Thermal Treatment for Supporting Palladium Catalyst," Fibers and Polymers, vol. 19, no. 7, pp. 1463-1471, 2018. DOI: 10.1007/s12221-018-8166-3.

[ACM Style]

Li Nie, Lulu Liang, Minjuan Jiang, Linjun Shao, and Chenze Qi. 2018. In situ Cross-linked Chitosan Composite Superfine Fiber via Electrospinning and Thermal Treatment for Supporting Palladium Catalyst. Fibers and Polymers, 19, 7, (2018), 1463-1471. DOI: 10.1007/s12221-018-8166-3.

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