Poly(aspartic acid) hydrogel

被引：22

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

页码：963 / 970

页数：8

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