Poly(aspartic acid) hydrogel

被引：20
|
作者：
Chang, CJ [1 ]
Swift, G [1 ]
机构：
[1] Rohm & Haas Co, Res Lab, Spring House, PA 19477 USA
来源：
JOURNAL OF MACROMOLECULAR SCIENCE-PURE AND APPLIED CHEMISTRY | 1999年 / A36卷 / 7-8期
关键词：
poly(aspartic acid); hydrogel; superabsorbent polymers; pH and salt responsive; polyamino acid; biodegradable;
D O I：
10.1081/MA-100101575
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Stimuli-responsive hydrogels have attracted much interest recently [1]. In this paper, we report a pH- and electrolyte-responsive hydrogel based on a crosslinked poly(aspartic acid). The lightly crosslinked, high molecular weight sodium polyaspartate impart extremely high water absorbency and can be used as a superabsorbent [2]. It is derived from a naturally occurring non-toxic amino acid, L-aspartic acid. A hydrogel based on poly(as-partic acid) possesses most of the features of poly(acrylic acid) hydrogels plus improved biodegradability. We expect it to be useful in a variety of applications including personal care and biomedical areas.
引用
收藏
页码：963 / 970
页数：8
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