Modification of gelatin by reaction with 1,6-diisocyanatohexane

被引:28
作者
Bertoldo, Monica [1 ]
Bronco, Simona [1 ]
Gragnoli, Tania [1 ]
Ciardelli, Francesco [1 ]
机构
[1] Univ Pisa, Dipartimento Chim & Chim Ind, PolyLab, CNR, I-56126 Pisa, Italy
关键词
crosslinked gelatin; gels; isocyanates; textile fibers;
D O I
10.1002/mabi.200600215
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
1,6-Diisocyanatohexane and dimethyl sulfoxide were exploited as crosslinking agent and reaction solvent, respectively, for gelatin modification. Crosslinked samples were fractionated and analyzed by thermogravimetric analysis, infrared spectroscopy, acid and base titrations, and swelling measurements. The yield of crosslinking was found to increase with increasing diisocyanate and gelatin concentrations and the amount of bound crosslinker was evaluated. The chemical analysis of the reaction products allowed the process parameters to be related to the properties of the textile/ gelatin composites. For this purpose poly(propylene)-, poly(ethylene terephthalate)-, and cotton-based textiles were treated to prepare soft and dimensionally stable supported materials with a gel phase composed of gelatin.
引用
收藏
页码:328 / 338
页数:11
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