Effect of Crystal Water on Coordination Crosslinking Reaction Between Copper Sulfate and Acrylonitrile-butadiene Rubber

Chem. J. Chinese Universities

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Effect of Crystal Water on Coordination Crosslinking Reaction Between Copper Sulfate and Acrylonitrile-butadiene Rubber

YUAN Xiao-Fang, WU Guo-Zhang, WU Chi-Fei

Polymer Alloy Laboratory, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai 200237, China

Received:2006-02-13 Revised:1900-01-01 Online:2006-10-10 Published:2006-10-10
Contact: WU Chi-Fei

Abstract

Abstract: The effect of crystal water on coordination crosslinking reaction of acrylonitrile-butadiene rubber(NBR) filled with copper sulfate particles containing pentahydrate(CuSO₄·5H₂O) was investigated in this paper. The NBR could be crosslinked in the existence of CuSO₄ during heat pressing, without addition of any other crosslinking agents. The coordination crosslinking reaction is influenced by many factors, such as the temperature and time of heat pressing, the kind and content of metal salts and etc.. In addition, dynamic mechanical analysis(DMA), differential scanning calorimetry(DSC), scanning electron microscope(SEM), equilibrium swelling method and tensile test were performed for a comparison of coordination crosslinking behavior between CuSO₄·5H₂O/NBR and CuSO₄/NBR. The results show that the crystal water in CuSO₄·5H₂O can accelerate the coordination crosslinking reaction between CuSO₄ and NBR.

Key words: Coordination reaction, Crosslinking, Crystal water, Acrylonitrile-butadiene rubber, Copper sulfate

CLC Number:

O631

TrendMD:

YUAN Xiao-Fang, WU Guo-Zhang, WU Chi-Fei
. Effect of Crystal Water on Coordination Crosslinking Reaction Between Copper Sulfate and Acrylonitrile-butadiene Rubber
[J]. Chem. J. Chinese Universities, doi: .

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Effect of Crystal Water on Coordination Crosslinking Reaction Between Copper Sulfate and Acrylonitrile-butadiene Rubber

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