PLA has excellent properties such as high mechanical strength, ductility and good biocompatibility, and is easy to process. Among them, blow molding and thermoplastic are the most commonly used, with a wide range of applications and promising prospects.

Using corn starch and PBAT as the main raw materials, and glycerol as the main plasticizer, starch-filled PBAT film was made by extruder granulation and then blow molding. The plasticizing effects of different plasticizers in starch-filled PBAT materials were studied and compared.

The screw of the twin-screw extruder is a building block combination. The combination of the entire screw should be selected according to the specific formula, material characteristics, mixing requirements and operating conditions.

In general, the extrusion process experienced by the material in the twin-screw barrel generally includes: feeding, melting, melt conveying, mixing, homogenization, exhausting, metering, and the like.

The reactivity of PA makes it easy to modify, and the composite materials or alloys can be prepared by the method of fiber reinforcement, inorganic filling and blending with other polymers or polyamides of different varieties.

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