Hi!
I have been looking into the possibilites of crosslinking keratin fibers using non-toxic cheap crosslinkers such as citric acid. Some groups have managed to crosslink gliadin fibers at 50 deg C using citric acid as crosslinker, by increasing pH. The idea is that a higher pH catalyzes the reaction due to deprotonation of the acids and the amine groups in the protein.
Do you think this could be possible when using keratin fibers instead? From my understanding, the keratin may be less reactive than gliadin.
Dear Marc Jirström, it is possible but usually hydrolysis occurs in parallel to crosslinking. Other alternatives exist, please check the attached files. My Regards
Low temperature cross linking of gladin fibres but with keratin to catalyse the reaction with less Ph .The keratin is of protein -amide group with cross linking with succinic or lactic acid or glycollic acid ,soaking , having in ionic form with above its respective salts of lactic or glycollic may serve the purpose at low temperature at 20 centigrade
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