This invention discloses a method for preparing a grain anti-mold packaging bag, wherein the film is composed of the following components by weight: polyvinyl chloride resin.100Parts, polypropylene resin15-25Parts, dioctyl phthalate24-26Parts, dioctyl sebacate14-18Parts, nano-silica6-8Parts, nano titanium dioxide2-4Light calcium carbonate4-6Activated carbon4-6Parts, octadecyl ammonium chloride3-5Calcium-zinc compound stabilizer4-6Parts, stearic acid2-4Liquid paraffin1.5-2.5The preparation method is as follows: weigh the ingredients according to the above proportions, and use a high-speed mixer to fully mix the above materials evenly.120-130Granulation was performed on a twin-screw extruder at a temperature of ℃, followed by extrusion blow molding using a single-screw extruder.195-205Grain anti-mildew packaging bags are blow-molded at ℃.
Country Code: CN
Application Number: CN201210466019.6
