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这和PE阻燃母粒本身的物性关系不大,主要还是加工过程中温度的问题。
(1) 熔料温度太高。应适当降低机身及机头温度。
(2) 冷却风环的冷却效率太低。应提高冷却系统的冷却效率,可适当加大风环的风压和风量。
(3) 泡管与人字夹板的摩擦力太大。应适当加大人字板夹角,减小泡管与夹板的接触面积。
(4) 机头温度太低,出料困难,膜泡跳动。应适当提高机头温度及增加螺杆转速
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