Crosslinking reaction of poly(vinyl alcohol) with glyoxal

被引：167
|
作者：
Zhang, Yun [1 ]
Zhu, Peter C. [1 ]
Edgren, David [1 ]
机构：
[1] ALZA Corp, Mountain View, CA 94043 USA
来源：
JOURNAL OF POLYMER RESEARCH | 2010年 / 17卷 / 05期
关键词：
Poly(vinyl alcohol); PVA; PVOH; Crosslinking; Glyoxal; NMR; NUCLEAR MAGNETIC-RESONANCE; VINYL-ACETATE COPOLYMERS; POLYVINYL ALCOHOL; MEMBRANES; HYDROGELS; MICROSTRUCTURE; BIODEGRADATION; GLUTARALDEHYDE; CHLORIDE; H-1-NMR;
D O I：
10.1007/s10965-009-9362-z
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Crosslinking reactions are one of the most commonly used techniques to improve physical properties of polyvinyl alcohol (PVA). Commonly used crosslinkers for these reactions are di-functional compounds, such as glutaraldehyde and glyoxal. The hydroxyl groups of PVA react with aldehydes via formation of acetal bonds hence corsslinking could take place. Quantitative analysis of glyoxal crosslined PVA will be described in this report. A convenient FTIR method has been established to analyze degree of crosslinking in PVA. Analysis by (1)H NMR spectroscopy methods will also be described.
引用
收藏
页码：725 / 730
页数：6
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