食品科学 ›› 2002, Vol. 23 ›› Issue (2): 129-132.

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PE/Ag纳米防霉保鲜膜研制

 李喜宏, 陈丽, 关文强, 成国祥   

  1. 国家农产品保鲜工程技术研究中心,天津大学材料学院
  • 出版日期:2002-02-15 发布日期:2012-02-13

Study on Processing PE Added with Ag.Contained Nano Material for Protection Against Moul

 LI  Xi-Hong, CHEN  Li, GUAN  Wen-Qiang, CHENG  Guo-Xiang   

  • Online:2002-02-15 Published:2012-02-13

摘要: 以常规LDPE保鲜膜配方组分为载体,添加含银系纳米材料母粒,吹塑研制出纳米粒径d=40~70nm的纳米防霉保鲜膜,结果表明:已接种灰霉菌的PDA培养基,经4%(W/W)银系纳米母粒浸提液浸泡的滤纸圆片处理于26~28℃恒温培养条件下,其最大抑菌效率较对照提高1倍,含4%(W/W)银系纳米材料保鲜膜制品圆片的最大抑菌效率提高67.9%。

关键词: 聚乙烯, 保鲜膜, 银纳米材料, 灰霉菌

Abstract: Polyethylene plastic mother partic les added with silver -contained nan o material were added to conven-tionalLDPEresin,A plastic filmofp rotectionagainst mouldwas manufac tured,inwhichthe diameter ofnano m aterial was from40to70nm.Theresultsshowe dthatthegraymouldinoculatedPDA c ulturalmediumweretreatedinbothr ound filtersubmerged intheextractofmo therparticles addedwith(w /w)silver -containednanomaterialof4%(w /w)and also in the round plastic filmwith silver -containednano material of4%(w /w)and cultivatedat26~28℃constant temperature.The inhibiting effect of the former increased by 72.7%and t he later increased by 67.9%in comparison with CK.

Key words: Silver-contained nano material, Polyethylene film, Gray mould, Freshness-Keeping