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PROCESS OF PRODUCING THERMOPLASTIC STARCH/POLYMER BLENDS.
PROCESS OF PRODUCING THERMOPLASTIC STARCH/POLYMER BLENDS.
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机译:制备热塑性塑料淀粉/聚合物混合物的过程。
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摘要
A process of producing a thermoplastic starch/polymer blend involves introducing dry starch into a twin-screw extruder at a first location along the extruder, introducing a plasticizer into the twin-screw extruder at a second location along the extruder downstream of the first location to form a starch paste and then gelatinizing the starch paste in the extruder to form thermoplastic starch, and, introducing dry polymer at ambient temperature into the twin-screw extruder at a third location along the extruder downstream of the second location to form a blend with the thermoplastic starch in the extruder.
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