Effect of particle size on gas permeability of filled superglassy polymers

被引：51

作者：

Andrady, AL

Merkel, TC

Toy, LG

机构：

[1] Res Triangle Inst, Ctr Energy Technol, Res Triangle Pk, NC 27709 USA

[2] Res Triangle Inst, Ctr Aerosol Technol, Res Triangle Pk, NC 27709 USA

来源：

MACROMOLECULES | 2004年 / 37卷 / 11期

关键词：

D O I：

10.1021/ma049510u

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 [高分子化学与物理]; 080501 [材料物理与化学]; 081704 [应用化学];

摘要：

The effect of particle size on gas permeability of filled superglassy PTMSP [poly(1-trimethylsilyl-1-propyne)]/silica nanocomposites was analyzed. The unusual transport behavior in filled superglassy polymers was ascribed to the ability of the tiny fumed silica particles to disrupt chain packing in these rigid polymers. It was shown that in addition to filler concentration, filler particle size appears to affect permeability in filled superglassy systems. The result shows that at fixed concentration of zeolite filler, the permeability of silicone rubber membranes decreases with decreasing zeolite particle size.

引用

页码：4329 / 4331

页数：3

共 19 条

[1]

Barrer R.M., 1968, DIFFUSION POLYM, P165

[2]

Calculation of various physics constants in heterogenous substances I Dielectricity constants and conductivity of mixed bodies from isotropic substances [J].