THE DENSITY PROFILE AT A POLYMER SOLID INTERFACE

被引：13

作者：

WU, W

MAJKRZAK, CF

SATIJA, SK

ANKNER, JF

ORTS, WJ

SATKOWSKI, M

SMITH, SD

机构：

[1] PROCTER & GAMBLE CO,CINCINNATI,OH 45239

[2] NATL INST STAND & TECHNOL,DIV REACTOR RADIAT,GAITHERSBURG,MD 20899

来源：

POLYMER | 1992年 / 33卷 / 23期

关键词：

DENSITY PROFILE; INTERFACE; NEUTRON REFLECTOMETRY;

D O I：

10.1016/0032-3861(92)90062-2

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 density of an amorphous polymer near its interface with a flat solid surface was investigated using neutron reflectometry. Bulk poly(methyl methacrylate) with a monodisperse molecular weight in contact with a silicon single crystal wafer was the first system studied, and the emphasis was placed on the temperature dependence of the interface density profile. The temperature range studied encompassed the glass transition temperature of the polymer and a reversible change in the density profile was discovered.

引用

页码：5081 / 5084

页数：4

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