There are several flow patterns at melting section in co-rotating twin screw extrusion.
提出同向双螺杆挤出的熔融过程中物料运动具有多种形式的观点。
2
The obstructing principle of plastics and two methods including laminar blending and multilayer co-extrusion which were used to improve obstructing capability were introduced.
介绍塑料的阻隔原理及提高塑料阻隔性能常用的两种方法，即层状共混方法和多层共挤方法。
3
Based on an analysis of rheology and mass transport principle, a mathematical model was formulated for describing the co-extrusion and diffusion process of graded index polymer optical fiber (GI POF).