期刊
FIBERS AND POLYMERS
卷 14, 期 8, 页码 1266-1270出版社
KOREAN FIBER SOC
DOI: 10.1007/s12221-013-1266-1
关键词
Viscose fibers; Oxidized; Carboxymethylcellulose (CMC); Viscosity behavior; Novel hemostatic fibers
资金
- WeGo group and Shandong province government of China
- NSF- CBET [11-37441 USA]
The oxidized sodium carboxymethylcellulose (O-CMC) fibers have been successfully synthesized via the oxidation-etherification method. Subsequently, the O-CMC fibers are characterized by Fourier transform infrared (FT-IR), C-13 nuclear magnetic resonance (C-13-NMR) and X-ray diffraction (XRD). In addition, the viscosity behaviors of the O-CMC aqueous solution have been investigated at five temperatures (25, 30, 40, 50 and 60 degrees C), six concentrations (30, 35, 40, 45, 50 and 60 kg/m(3)) and four shear rates (6, 12, 30 and 60 rpm). The results show that the viscosity of the O-CMC aqueous solution increases with increasing concentrations and decreases with increasing temperature. The viscosity of the O-CMC aqueous solution is found to exhibit a dilatant behavior. The dissolution rate in water of the O-CMC fibers is faster than that of the carboxymethylcellulose (CMC) fibers. It could be used as novel absorbable hemostatic fibers in surgery.
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