Design of extrusion die for plastic profiled bar based on 3D viscoelasticity penalty function finite element analysis;
基于三维粘弹性罚函数有限元分析的塑料异型材挤出口模设计
Rheological Behavior of LLDPE Extrusion Moulding in Complex Field of Vibration and Shearing;
LLDPE在振动剪切复合场中挤出成型的流变行为
Extrusion Technology of PVC Roller Window/Door Blind Profile;
PVC卷帘门窗型材挤出技术
Discussion on Extruded Technology of High Temperature Core Wire with EPDM Insulation;
高温芯线乙丙橡胶绝缘层挤出工艺探讨
its fraction in the composite is varied in the range of 2-20%,The polymer is blended in a single screw extruder after which a sample is moulded by injection.
本文以一种含柔性链的共聚酯液晶高聚物(PET/PHB60)和改性聚苯醚(MPPO)的共混物为对象,研究了共混物在单螺杆挤出机和注塑机上形成原位复合材料时不同液晶含量下的液晶的结构形貌和共混物的皮蕊结构。
The polymer is blended in a single screw extruder after which samples are injection moulded.
本文以一种含柔性链的共聚酯液晶高聚物(PET/PHB60)和玻璃纤维增强的改性聚苯醚(MPPOG)的共混物为对象,叙述了在单螺杆挤出机和单螺杆注塑机上形成原位复合材料时不同液晶含量下的共混物的微观结构和性能,结果表明LCP的加入降低了MPPOG的粘度,改善了加工性能,但共混物的机械性能改善不明显。
The Application of the Extruding Reaction Technology in Modifying Polyolefin;
反应挤出技术在聚烯烃改性中的应用
This paper introduces the main properties of PP foam, the technology of extruding foam of chemically cross linked PP in one step:PP is crosslinked appropriately while plasticized in extruder, and foaming agent is decomposed at a suitable melt viscosity by controling the processing conditions, then free foaming is finished at the exit of the die and the foam is abtained.
介绍了聚丙烯 (PP)挤出发泡材料的主要性能、一步法化学交联PP挤出发泡成型技术的开发 ,即在挤出机内进行塑化的同时使PP发生适度的交联反应 ,通过工艺条件的控制 ,使其在具有适当的熔体粘度后完成发泡剂的分解反应 ,经挤出机挤出后在机头口模出口处完成发泡 ,从而得到满足一定要求的发泡制品。
Plate pattern die is a common implement in rubber extruding technology and it's designing directly influences on the guality of finished extrudings and semi_finished extrudings.
板式口型是橡胶挤出工艺中常用的工装,设计的优劣直接影响到挤出产品或半成品质量。
It differs from traditional tube extrusion processing.
为得到较好的导管截面形状,本文从材料的流变特性、机头设计、注气流量的控制以及挤出工艺参数的调节四个方面进行了实验研究,得出的结论对双腔导管的挤出成型有一定的参考作用。
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