Starch expanded packaging material and its application

【Patent Type】 Invention Patent 【Patent Name】 Starch Expanded Packaging Material and Its Application 【Applicant】 Beijing Zhonghuan Lunhuan Technology Development Co., Ltd. [Inventor] Li Jianzhong; Jia Weimin; Wu Zhiguo; Huang Xiujuan [main applicant address] 100054 Beijing No.1, Youximen West Street, Xuanwu District, Beijing [Application Number] 02159749.9
【 Application Date 】 2002.12.30
【Accredited Announcement No.】 1480383
【 Validation announcement date 】 2004.03.10
【 Main classification number 】 B65D65/46
[Category] B65D65/46 C08L3/02 B29C67/24
[Sovereign Items] 1. A starch puffing packing material, characterized in that: the starch puffing packing material is prepared by mixing the following raw materials in a weight ratio by extrusion machine: starch 80-20% polyvinyl alcohol 20 -80%.
[Instructions CD-ROM] D0410
[Abstract] The present invention relates to a starch expanded packaging material and its application. The starch expanded packaging material is obtained by mixing starch and polyvinyl alcohol in a weight ratio and extruding through an extruder, and the obtained product has a moderate hardness and is appropriate. The elastic and soft surface is used to make shock-absorbing packaging materials, with the advantages of environmental protection, pollution-free, low cost, and renewable.
【 Agency 】 Beijing Huize Intellectual Property Agency Co., Ltd. 【Author】 Zhang Ruohua