Tailoring polyvinyl alcohol with triazinanes and formaldehyde

被引:18
作者
Gungor, Fusun Seyma [1 ]
Kiskan, Baris [1 ]
机构
[1] Istanbul Tech Univ, Dept Chem, TR-34469 Istanbul, Turkey
关键词
Polyvinyl alcohol; Thermosetting; Triazinane; Formaldehyde; Gels; POLY(VINYL ALCOHOL); ACETALIZATION; HYDROLYSIS; BLENDS; GELS;
D O I
10.1016/j.reactfunctpolym.2018.01.014
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
Cross-linking of polyvinyl alcohol (PVA) was achieved by using functional 1,3,5-triazinanes and formaldehyde as cross-linking agents. This method can be considered as an alternative to acetalization of PVA by monoaldehydes. The gels obtained with the triazinane method exhibited dimensional stability and resistance against acids. Control experiments were performed to have a better insight of the gelation process. The products of control experiments and obtained gels were characterized spectroscopically by FTIR and H-1 NMR and thermally by DSC. Moreover, swelling in water and acid stability of gels were investigated and compared to the PVA-formaldehyde system.
引用
收藏
页码:115 / 120
页数:6
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