Nano-polypropylene packaging material and manufacturing method thereof

【Patent name】 Nano-polypropylene packaging material and its manufacturing method 【Applicant】 Wu Zhihong, Zhang Yin, Wu Haoyu, Zhang Qi, [Inventor] Wu Zhihong, Zhang Yin, Wu Haoyu, Zhang Qi, [main applicant address] 224007, Jiangsu Province Yancheng Economic Development Zone Management Committee Development Avenue No. 18 【Application Number】 200410086574.1
【 Application Date 】 2004.10.26
【 Validation Announcement Number】 1765974
【 Validation announcement date 】 2006.05.03
[Main classification number] C08L23/12(2006.01)I
[Categorical Information] C08L23/12(2006.01)I C08K3/26(2006.01)I B29C47/38(2006.01)I
[Sovereign Items] 1. A nanometer polypropylene packaging material, including polypropylene, characterized in that: the polypropylene is used as a master batch, and an auxiliary material is added in the polypropylene, and the auxiliary material includes a reinforcing agent nano calcium carbonate.
[Instructions CD-ROM] D0618-1
【 Abstract 】 A kind of nano-polypropylene packaging material, with polypropylene as the master batch, is added with auxiliary materials. The accessories include reinforcing agent nano calcium carbonate, white oil and paraffin. The masterbatch and the excipients were mixed using an elongated single screw extruder. The nano-calcium carbonate as the auxiliary material of the material of the invention can greatly improve the mechanical properties of the filler elasticity, and the nano-calcium carbonate particles can absorb part of the impact energy, and can also stop the crack formed by the impact in time, thereby greatly improving the Impact strength and toughness of polypropylene products. Because the nano-calcium carbonate particles have a diameter of 30 to 50 nm, they act as a lubricant in the masterbatch polypropylene and reduce the cost of using the lubricant. The invention adopts a lengthened single screw to mix the raw materials, increases the mixing time of the raw materials, and satisfies the requirements of raw material processing.
【 Agency 】 Beijing Kelon Haoyu Intellectual Property Agency Co., Ltd. [Proxy] Sun Yuchen, Shu Chunsheng