材料加工形态学2-2[1].加工形态性能_实例.ppt

Multilayer morphology
Selective permeable morphology
rating (sponge) morphology
Fibrous morphologies
works
Applications of chaotic mixing in morphology manipulation
Zumbrunnen DA et al. Nano Lett. 2002; 2(10): 1143
Multilayer morphology
Selective permeable morphology
Zumbrunnen DA. Polymer 2002; 43(11): 326
rating morphology
Liu YH, Polym. Compos. 1996; 17: 187
Fibrous morphologies
Danescu RI, J. Vinyl Addit. Technol. 2000; 6: 27
works
Influences of tailored morphology on the properties
works
Multilayer morphology
注塑成型中利用应力场(剪切)控制聚合物形态——剪切控制取向注塑(SCORIM)
注塑过程利用应力场(剪切)对聚合物形态控制研究进展——剪切控制取向注塑(SCORIM)
Schematic of SCORIM
Shen, et al.
Bevis, et al.
SCORIM对凝聚态和相形态的影响
Chain orientation
Crystal structure
Phase morphology for multi-phase polymers
Mechanical properties
Other properties, . optical, barrier, etc.
Surface appearance of the parts
Subskin
Dynamic molding
Core
Immediate
Conventional molding
动态剪切场对分子链取向的影响
Skin-Core
Dynamic Shear injection molding
HDPE
Shish-kebab
iPP
Interlocking shish-kebab
HDPE(5000S),提高300%。iPP的拉伸强度在纵横方向上从32MPa提高到63MPa