Study of the glass transition temperature of polymer surface by coarse-grained molecular dynamics simulation

被引：119
|
作者：
Morita, Hiroshi
Tanaka, Keiji
Kajiyama, Tisato
Nishi, Toshio
Doi, Masao
机构：
[1] Univ Tokyo, Japan Sci & Technol Agcy, Bunkyo Ku, Tokyo 1138656, Japan
[2] Univ Tokyo, Dept Appl Phys, Bunkyo Ku, Tokyo 1138656, Japan
[3] Kyushu Univ, Dept Appl Chem, Nishi Ku, Fukuoka 8190395, Japan
[4] Kyushu Univ, Higashi Ku, Fukuoka 8128581, Japan
[5] Tokyo Inst Technol, Dept Organ & Polymer Mat, Meguro Ku, Tokyo 1528552, Japan
来源：
MACROMOLECULES | 2006年 / 39卷 / 18期
关键词：
D O I：
10.1021/ma052632h
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The glass transition temperature at the surface of polymer film is studied by the coarse-grained molecular dynamics simulation. By the analysis of the segmental motion, the glass transition temperatures at the surface region and that in the bulk region are determined separately. The glass transition at the surface region is found to be lower than that in the bulk region. The molecular weight dependence of the glass transition temperature obtained by the simulation agrees well with that obtained by the scanning force microscopic measurements.
引用
收藏
页码：6233 / 6237
页数：5
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