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Issue:
Effects of plasticizers on physical properties of chitosan/glutin composite films
Author(s):
GONG Zhi-qiang
,
LI Yan-chun
,
ZHU De-yi
Pages:
231
-
233
Year:
2008
Issue:
3
Journal:
SCIENCE AND TECHNOLOGY OF FOOD INDUSTRY
Keyword:
增塑剂
;
壳聚糖
;
明胶
;
可食性膜
;
物理性能
;
Abstract:
研究了增塑剂(甘油、乙二醇、聚乙二醇400)对壳聚糖-明胶复合膜性能的影响.结果表明:增塑剂的加入对膜的物理性能产生了显著的影响,三种增塑剂都使膜的拉伸强度和吸水性降低、断裂伸长率和透水气率增大,但不同的增塑剂对断裂伸长率的影响表现出较大不同.甘油和乙二醇对膜的透光率影响不大,聚乙二醇400会使膜的透光率大大降低.综合各种指标,甘油对壳聚糖-明胶复合膜的增塑效果最好.
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