Characterization of Cyclic(aryl ether ketone)s by Matrix-assisted Laser Desorption Ionization-time of Flight Mass Spectrometry

Chem. J. Chinese Universities ›› 1998, Vol. 19 ›› Issue (4): 652.

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Characterization of Cyclic(aryl ether ketone)s by Matrix-assisted Laser Desorption Ionization-time of Flight Mass Spectrometry

JIANG Hong-Yan, CHEN Tian-Lu, QI Ying-Hua, XU Ji-Ping

Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022

Received:1996-12-23 Online:1998-04-24 Published:1998-04-24

Abstract

Abstract: Matrix-assisted laser desorption ionization-time of flight mass spectrometry(MALDI-TOF MS) was used to identify cyclic(aryl ether ketone) oligomers, using 2,5-dihydroxybenzoic acid as a matrix, and Na⁺ and K⁺ as cationization agents. The existence of different ring-sized cyclic oligomers up to 9 and their distribution were determined and compared with GPCresults. The results indicated that MALDI-TOF MSwas a powerful and rapid analytical tool for the cyclic oligomers.

Key words: Cyclic(aryl ether ketone) oligomers, MALDI-TOF MS, Distribution of cyclic oligomers

CLC Number:

O631

TrendMD:

JIANG Hong-Yan, CHEN Tian-Lu, QI Ying-Hua, XU Ji-Ping . Characterization of Cyclic(aryl ether ketone)s by Matrix-assisted Laser Desorption Ionization-time of Flight Mass Spectrometry[J]. Chem. J. Chinese Universities, 1998, 19(4): 652.

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Characterization of Cyclic(aryl ether ketone)s by Matrix-assisted Laser Desorption Ionization-time of Flight Mass Spectrometry

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