Study on Primary Reaction Kinetics of Melamine Aminated Monomethoxylpoly (ethylene Glycol)

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Abstract:

The reaction kinetics of amination of monomethoxylpoly (ethylene glycol) (mPEG) with melamine (MA) at the molar ratio of 1:1 was studied by FTIR. This amination reaction was carried out with potassium hydroxide as reaction catalyst under high-pressure conditions at different temperature (160 °C, 170 °C, 180 °C, and 190°C) for different time (2 h, 3 h, 4 h, 5 h and 6 h). A series of melamine aminated monomethoxylpoly (ethylene glycol) (MA-mPEG) were synthesized, and the long chain of polyethylene glycol ether was grafted on the amino groups of melamine by amination. The amination kinetics parameter of reaction order and the activation energy are about 1.5 and 45 KJ/mol, respectively. In addition, the grafting amination yield increased with the number average molecular weight of mPEG at the same reaction condition.

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Advanced Materials Research (Volumes 450-451)

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374-378

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January 2012

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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