A colourimetric method for the determination of the degree of chemical cross-linking in aspartic acid-based polymer gels

A colourimetric method for the determination of the degree of chemical cross-linking in aspartic acid-based polymer gels

A 2,4,6-trinitrobenzenesulphonic acid (TNBS)-based assay is developed to determine the degree of chemical cross-linking in aspartic acid-based polymer gels. The conventional colourimetric method for the quantitative determination of amine groups is difficult to use in polymer networks; thus, an impr...

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Bibliographic Details
Main Authors: B. Gyarmati, N. Hegyesi, B. Pukanszky, A. Szilagyi
Format: Article
Language:English
Published: Budapest University of Technology and Economics 2015-02-01
Series:eXPRESS Polymer Letters
Subjects:
Polymer gels
TNBS
poly(aspartic acid)
degree of cross-linking
cross-linking ratio
Online Access:http://www.expresspolymlett.com/letolt.php?file=EPL-0005456&mi=cd
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