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solid-phase extrusion
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在结晶型高分子材料的晶态、非结晶(无定形)聚合物的非黏流态(玻璃态或高弹态)进行挤出成型的方法。固相挤出过程中原料没有明显流动,处于动力学的固体状态,热力学的液体相态,使聚合物在熔融或软化温度以下受到超过屈服点的应力后变形并成型。
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solid-phase extrusion
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