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- The relationship between the melt fracture and the non-linear viscoelasticity for PE-HD, POE, and PE-LLD was studied using a capillary rheometer. 采用毛细管流变仪等仪器研究了一类聚乙烯熔体的挤出畸变与熔体非线性粘弹性的关系。
- The use of POP colors also avoids issues involving melt fracture or excessive parison hang time and aids column crush strength. POP色料的使用还能避免涉及熔体破坏或过多的型坯停留时间，并且有助于推叠承压强度。
- In this paper the flowability,die swell and melt fracture of ACR/PVC blends prepared from three types of acrylate copolymers and polyvinyl chloride have been studied. 本文研究了三种国产丙烯酸酯类共聚物(ACR)与聚氯乙烯(PVC)制得共混物的流动性、离模膨胀和熔体破碎。
- Most critical problem confronted during extruded forming is melt fracture,using fluorine-bearing modifier can properly e-liminate melt fracture phenomenon. 挤出成型中遇到的最严重问题是熔体破裂,应用含氟改性剂可很好地消除熔体破裂现象。
- Fromthe experimental study, we could predict that the onset of melt fracture on the processingof LLDPE may be controlled by raising temperature, increasing of L/D or changing thematerials of capillary die. 通过实验可知,采用提高口模温度、增加口模长径比或改变口模材质均能推迟熔体破裂现象的发生,从而提高了挤出加工的生产量。
- Polytetrafluoroethylene (PTFE) die can greatly inhibit the occurrence of melt fracture or surface distortion of mPE extrudate, the surface appearance of mPE extrudate gets greatly improved, and the critical shear rate increases nearly 3 times. 不同口模材质对mPE挤出口模压力、挤出流量和挤出物表面质量有着显著的影响。 与普通铸铁口模相比;经聚四氟乙烯(PTFE)口模挤出mPE熔体的口模压力降低近60%25;挤出流量增加1.;5倍;表观粘度降低65%25;挤出物表面光滑;基本无缺陷;出现熔体破裂的临界剪切速率提高了近3倍。
- The sea seemed to melt into the sky at the horizon. 在水平线处，海洋似渐渐没入天际。
- Progress in Study of Linear Polymer Melt Fracture in Capillary Extrusion 线型聚合物毛细管挤出中熔体破裂研究进展
- All his support melt away when he really needed it. 在他真正需要支持时，却得不到一丝半点。
- At high pressure dry ice will melt. 高压下干冰会溶化。
- The action of salt on ice causes it to melt. 盐作用於冰而使其融化。
- Perhaps there is a fracture in the water pipe. 也许水管有裂缝了。
- Melt the butter and then blend in the flour. 先把黄油融化，然後加入面粉。
- The fracture of his left leg is very serious. 他的左腿骨折情况很严重。
- These chocolates really melt in your mouth. 这些巧克力真正是入口即化。
- The fracture caused him intense pain. 骨折给他造成了剧烈的疼痛。
- If you spread salt about(the ground), it helps to melt the snow. 如果你在地上撒些盐，会有助于雪的融化。
- Fracture of the leg can be very serious in old people. 老年人腿骨骨折有可能成为严重疾患。
- Iron will melt when it is made very hot. 当铁烧得很热时就会熔化的。
- Keywords functional agricultural film;transparent property;haze;IBC system;melt fracture;coefficient of friction;spray frost; 多功能棚膜;透光性能;雾度值;内冷系统;熔体破裂;摩擦因数;析出喷霜;
