| abstract |
The invention provides a biaxially stretched breathable film and a preparation method thereof, and relates to the technical field of polymer materials. The biaxially stretched breathable film of the present invention is made of the following raw materials: polyethylene, ultrafine calcium carbonate powder, antibacterial masterbatch, fluid Modifier and dispersant; the present invention adopts the biaxial stretching technology of first blown film transversely stretched and then longitudinally stretched, the molding process is simple, the film forming rate is high, the cost is low, the processing range of polyethylene resin is wide, and the processing conditions are convenient to control, The resin has good film-forming properties, is easy to process into a film, and the breathable film prepared with raw materials has high strength and good air permeability. |