Uptake of water in as-spun poly(methyl methacrylate) thin films

被引：11

作者：

Atarashi, Hironori ^{[1
]}

Hirai, Tomoyasu ^{[1
]}

Hori, Koichiro ^{[1
]}

Hino, Masahiro ^{[2
]}

Morita, Hiroshi ^{[3
]}

Serizawa, Takeshi ^{[4
]}

Tanaka, Keiji ^{[1
,5
]}

机构：

[1] Kyushu Univ, Dept Appl Chem, Fukuoka 8190395, Japan

[2] Kyoto Univ, Inst Res Reactor, Osaka 5900494, Japan

[3] AIST, NRI, Ibaraki 3058565, Japan

[4] Tokyo Inst Technol, Dept Organ & Polymer Mat, Tokyo 1528550, Japan

[5] Kyushu Univ, Int Inst Carbon Neutral Energy Res WPI I2CNER, Fukuoka 8190395, Japan

来源：

RSC ADVANCES | 2013年 / 3卷 / 11期

关键词：

MOLECULAR-WEIGHT PMMA; SORPTION KINETICS; SORBED WATER; ABSORPTION; POLYMER;

D O I：

10.1039/c3ra23066j

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The extent of water sorption in a thin film of a typical glassy polymer, poly(methyl methacrylate) (PMMA), was studied by neutron reflectivity. Interestingly, the as-spun film could uptake water to 16.3 vol%, much more than the reported value of a few vol% for bulk PMMA. This can be explained in terms of the heterogeneous density distribution in the film.

引用

页码：3516 / 3519

页数：4

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