2004 Fiscal Year Final Research Report Summary
Structure Formation and Its Control in Combined Phase Transition in Block Copolymers Blends
| Project/Area Number |
14350494
|
|---|
| Research Category |
Grant-in-Aid for Scientific Research (B)
|
| Allocation Type | Single-year Grants |
|---|
| Section | 一般 |
|---|
| Research Field |
高分子構造・物性(含繊維)
|
|---|
| Research Institution | Nagaoka University of Technology |
|---|
Principal Investigator |
SHIOMI Tomoo Nagaoka University of Technology, Faculty of Engineering, Professor, 工学部, 教授 (10134967)
|
|---|
| Co-Investigator(Kenkyū-buntansha) |
TAKENAKA Katsuhiko Nagaoka University of Technology, Faculty of Engineering, Ass.Professor, 工学部, 助教授 (30188205)
TAKESHITA Hiroki Nagaoka University of Technology, Faculty of Engineering, Research Ass., 工学部, 助手 (80313568)
|
|---|
| Project Period (FY) |
2002 – 2004
|
| Keywords | crystalline block copolymer / polymer blend / microphase separation / macrophase separation / crystallization / nano-ordered structure / time-resolved small-angle X-ray scattering |
|---|
| Research Abstract |
Microphase structure and its formation process in combination of macrophase separation, microphase separation and crystallization were investigated for polymer blends containing crystalline-amorphous block copolymers using mainly time-resolved synchrotron small-angle X-ray scattering technique and diffferantial scanning calorimetry. For the systems with a rubbery amorphous component, whether or not crystallization destroyed microphase separation structure in melt depended on its morphology, molecular weight and temperature ; crystallization occurred within cylindrical structure. On the other hand, melt structure was maintained completely for the systems with a glassy amorphous component. The structure formation was not affected by occurrence of microphase separation ; two kinds of miaophase separation structure could coexist even after crystallization. The present study revealed that the crystalline phase could be ananged regularly in the nano-order scale using melt microphase structure as a template.
|
Research Products
(14 results)
