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CN104105580A 树脂混炼物的制造方法 无效 - 驳回 复审申请

树脂混炼物的制造方法
摘要：
提供一种能增加材料的挤出量，抑制开口部上的未熔融材料的喷出，且能对开口部上的泄漏进行抑制的树脂混炼物的制造方法。一种树脂混炼物的制造方法，是将含有添加剂(a)和热塑性树脂(b)的材料用双轴挤出机混炼的树脂混炼物的制造方法，双轴挤出机设有供给口、排出口、该供给口和该排出口之间存在的开口部、该供给口和该开口部之间存在的混炼部A、和该开口部和该排出口之间存在的混炼部B，该混炼部A的长度La和螺杆直径D的比值L1(La/D)满足L1≥3，将所述材料不完全充满于混炼部A中进行混炼，且在混炼部B中混炼所述材料。
摘要（英）：

Provided is a resin mixture fabrication method, with which it is possible to increase an extrusion volume of a material, and it is possible to suppress bend-up at an aperture part while alleviating discharge of an unmelted material in the aperture part. In a resin mixture fabrication method, a material including an additive (a) and a thermoplastic resin (b) is mixed using a two-axle extrusion device, the two-axle extrusion device comprising a supply port, a discharge port, an aperture part which is present between the supply port and the discharge port, a mixing part (A) which is present between the supply port and the aperture, and a mixing part (B) which is present between the aperture and the discharge port. A proportion (L1) of the length (La) of the mixing part (A) to a screw diameter (D) (La/D) satisfies the condition L1>=3, the material is mixed in the mixing part (A) without being completely filled therein, and the material is mixed in the mixing part (B).

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