壳聚糖保鲜涂膜纳米SiOx修饰工艺优化的研究.pdf

壳聚糖保鲜涂膜纳米SiOx修饰工艺优化的研究.pdf232 高校化攀工程学报 No2oI23
20094 Journal Engineering Chinese Apr2009
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壳聚糖保鲜涂膜纳米修饰工艺优化的研究
王明力,陶希芹跷钠,沈丹缘赂
.贵州大学绿色农药与农业生物工程教育部重点实验室,贵州贵阳;
笾荽笱Х⒔凸こ逃肷镏埔┦≈氐闶笛槭遥笾莨笱
摘要:为了提高壳聚糟涂膜的力学性能和降低其透水率,实验先以十二烷基磺酸钠罨擅譙,随后将其
=
计方法,优化了壳聚糖/纳米疭复合涂膜的制备工艺条件,并通过红外騏、湎哐苌和电镜透
(TEM)CTsS(CTS)siq
添加量分别为 g0028gO015保珻/复合涂膜的性能达到最优,其拉伸强度和撕裂强度分别
5485MPa5177lNIn-J63*,1273CTSSiq
复合涂膜用于果蔬室温保鲜,保鲜质量和保鲜时间比对照组均有明显提高.
iSiqlll
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the Preparation Fresh-Keeping
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: Order improve the and the water the
coating nanoparticles grafted dodecyl added the
prepare the nanoSiq posite chitosanSiOx(CTSSiOx)
casting methodThequadratic rotatable WaS
the preparation the SiQ filmThestructure and 疭
characterized spectroscopy(IR)X-raydiffraction and microscopyEM)
respectivelyTheresults the performance CTSSifilmCan g
chitosan,0028g nanoparticles and O015 g monostearatc(Glyc)are
preparationIn the coating tensile and the
the 疭 above are . MPa and 5 177Imrespectively,
are increased 63and%, the water decreased 73Moreover,
the 疭 was using coating for the fresh 琣
the results demonstrate pared the centrel(the film)boththe fresh keeping
qualities and the are significantly coating the
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rotatable
t2007-09-06200712-14
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