Nano composite packaging material

Nanotechnology is a high-tech science and technology that has emerged in recent years. The most studied nanocomposite packaging material is polymer-based nanocomposite (PNMC). Commonly used polymers are PA, PP, PVC, PET and so on. The plasticity, wear resistance, hardness and strength of nano-composite plastic packaging materials have been significantly improved and enhanced. Compared with ordinary composite PA packaging materials, PA6 nanocomposite packaging materials successfully developed in Japan have increased tensile strength and tensile modulus by 110 MPa and 2.1 GPa, respectively, and the heat distortion temperature has increased to 150%. The coefficient of thermal expansion and water absorption have been greatly reduced.

At present, the development trend of newly developed plastic packaging films at home and abroad is toward high performance, non-toxic and harmless, green, inexpensive, and easy to use. Among them, the flexible packaging materials have been developed from the past mainly in food packaging to the fields of non-food packaging such as industrial packaging, pharmaceutical packaging, building material packaging, and cosmetics packaging. The scope and usage of the packaging materials will increase.