纳米SiO2、TiO2改性PVA基液体石蜡复合涂膜保鲜包装材料

doi:10.7506/spkx1002-6630-201316070

食品科学

纳米SiO2、TiO2改性PVA基液体石蜡复合涂膜保鲜包装材料

马龙俊，刘瑶，章建浩

国家肉品质量安全控制工程技术研究中心，教育部肉品加工与质量控制重点实验室，农业部农畜产品加工与质量控制重点开放实验室，南京农业大学食品科技学院，江苏南京 210095

出版日期:2013-08-25 发布日期:2013-09-03

Modification of PVA-Based Composite Coating Packaging Material with Nano-SiO2, Nano-TiO2 and Liquid Paraffin

MA Long-jun，LIU Yao，ZHANG Jian-hao

National Center of Meat Quality and Safety Control, Key Laboratory of Meat Processing and Quality Control, Ministry of Education,Key Laboratory of Food Processing and Quality Control, Ministry of Agriculture, College of Food Science and Technology,Nanjing Agricultural University, Nanjing 210095, China

Online:2013-08-25 Published:2013-09-03

摘要/Abstract

摘要：

为降低聚乙烯醇(PVA)基涂膜保鲜包装材料成膜透湿性，采用液体石蜡乳化与PVA复配，应用响应面试验方法研究添加液体石蜡和纳米SiO2、TiO2改性对PVA基复合涂膜包装材料成膜透湿性能的交互作用及影响。结果表明：添加液体石蜡和纳米SiO2、TiO2改性可有效降低PVA基涂膜包装材料的透湿性能，优化组成膜透湿率(14.578g/(m2·h))比对照组(不加纳米材料PVA基液体石蜡复合膜)降低了26.02%(P＜0.05)；纳米SiO2与纳米TiO2和液体石蜡对成膜透湿率有显著的交互作用，随着纳米SiO2添加量的增加，复合涂膜材料成膜透湿率随着纳米TiO2比例的适当增大或液体石蜡的比例的适当减小而降低。

关键词: 聚乙烯醇(PVA), 液体石蜡, 纳米SiO2, 纳米TiO2, 涂膜材料, 成膜透湿率

Abstract:

This study attempted to reduce the water vapor permeability (WVP) of PVA-based composite coating
packaging films by adding nano-SiO2, nano-TiO2 and liquid paraffin. The individual and interactive effects of nano-
SiO2, nano-TiO2 and liquid paraffin on the water vapor transmission of PVA-based composite films were investigated by
response surface methodology. The results showed that the water vapor barrier performance of PVA-based composite
coating-packaging material could be effectively enhanced by addition of liquid paraffin and nano-materials. The water
vapor transmission rate, WVTR (14.578 g/(m2·h)) of composite films with optimized addition amounts of liquid paraffin
and nano-materials was decreased by 26.02% (P ＜ 0.05) compared with the control group (with liquid paraffin but
without nano-materials). There were significant interactions between nana-SiO2 and nano-TiO2 and between nano-SiO2
and liquid paraffin on the water vapor transmission of PVA-based composite films. The water vapor transmission rate of
PVA-based composite films with increasing addition amount of nano-SiO2 was reduced by increasing the proportion of
nano-TiO2 or deceasing liquid paraffin.

Key words: poly vinyl alcohol (PVA), liquid paraffin, nano-SiO2, nano-TiO2, coating-packaging material, water vapor transmission

马龙俊，刘瑶，章建浩. 纳米SiO2、TiO2改性PVA基液体石蜡复合涂膜保鲜包装材料[J]. 食品科学, doi: 10.7506/spkx1002-6630-201316070.

MA Long-jun，LIU Yao，ZHANG Jian-hao. Modification of PVA-Based Composite Coating Packaging Material with Nano-SiO2, Nano-TiO2 and Liquid Paraffin[J]. FOOD SCIENCE, doi: 10.7506/spkx1002-6630-201316070.

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纳米SiO2、TiO2改性PVA基液体石蜡复合涂膜保鲜包装材料

Modification of PVA-Based Composite Coating Packaging Material with Nano-SiO2, Nano-TiO2 and Liquid Paraffin

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