This invention discloses a method for preparing a food preservation packaging material with strong gas displacement properties, the preparation method being as follows:1Remove impurities from diatomaceous earth, kaolin, and montmorillonite, then crush and sieve them to meet the above particle size range;2Mix diatomaceous earth, kaolin, montmorillonite, and vinylsilane in the specified proportions.A171Glyceryl monostearate and polyethylene wax are placed in a high-speed kneader and heated to…105-110℃ and start stirring.18-22After minutes, the material is dried to obtain the composite filler;3According to the above weight ratio, low-density polyethylene resin, linear polyethylene resin, ethylene vinyl acetate resin, and the [other components] are mixed.2After the composite filler prepared in step 1 is mixed evenly in a mixer, then…145-155Granulation was performed on a twin-screw extruder at a temperature of ℃, followed by extrusion blow molding using a single-screw extruder.165-175Blow-molded into thin film for food preservation packaging at ℃.
Country Code: CN
Application Number: CN201210465658.0
