聚乙烯果蔬保鲜膜的透气和透湿性能与温度变化的关系  

Relationships Between Gas and Water Vapor Permeability of PE Fruit and Vegetable Film and Temperature

作　　者：李家政[1] 毕大鹏[1] 李杨[1] 

机构地区：[1]国家农产品保鲜工程技术研究中心,天津市农产品采后生理与贮藏保鲜重点实验室,天津300384

出　　处：《保鲜与加工》2009年第5期30-34,共5页Storage and Process

基　　金：天津市农业科学院院长基金项目(07001);天津市自然科学基金项目(07JCYBJC12000);科技部科技支撑计划重点项目(2006BAD30B01)

摘　　要：在不同温度条件下测定聚乙烯果蔬保鲜膜的氧气、二氧化碳渗透系数和水蒸气渗透率,通过Arrhenius公式关联得出,温度与各个渗透系数和渗透率之间具有很好的相关性,相关系数均在0.97以上。并给出了温度与各个渗透系数和渗透率之间的关系式。根据此关系式,可以计算出任何温度条件下聚乙烯果蔬保鲜膜的氧气、二氧化碳渗透系数和水蒸气渗透率。Oxygen, carbon dioxide and water vapor permeability of PE film at different temperature have been measured. Based on the Arrhenius formula get good relationships between the permeability and temperature with R more than 0.97. Equations between permeability of PE fruit and vegetable film and temperature have been presented, which can be used to calculate the permeability at any temperature.

关 键 词：果蔬 聚乙烯 保鲜膜 透气 透湿 温度 

分 类 号：S609.3[农业科学—园艺学]