Stimuli-responsive hydrogels from acrylamide with N-[3-(dimethylamine)propyl] metacrylamide. Synthesis and properties

被引：0

作者：

Pooley, S. Amalia ^{[1
]}

Rivas, Bernabe L. ^{[1
]}

Riquelme, Francisco J. ^{[1
]}

机构：

[1] Univ Concepcion, Fac Chem, Polymer Dept, Concepcion, Chile

来源：

JOURNAL OF THE CHILEAN CHEMICAL SOCIETY | 2007年 / 52卷 / 02期

关键词：

copolymerization; gels; swelling; crosslinking; networks;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Cross-linked copolymers of acrylamide (AAm) with N-[3-(dimethyl amine)propyl]methacrylamide (NDAPM) were prepared by solution free radical polymerization at different feed molar ratios. In this reaction, ammonium persulfate (APS) and N,N '-methylene-bis-acrylamide (MBA) were used as initiator and cross-linking reagents respectively. The effects of reaction parameters, including the concentration of crosslinking reagent and initiator, the monomer concentration, pH, temperature, the various salt solutions, and solvent polarity, on the water absorption have been investigated. The results indicate that the copolymers obtained are stimuli-responsive hydrogels that change their volume and elasticity in depending on the properties of the liquid phase.

引用

页码：1160 / 1163

页数：4

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