Novel Collagen-Chitosan Based Hydrogels Reinforced with Manganite as Potential Adsorbents of Pb2+ Ions

被引：11

作者：

Claudio-Rizo, Jesus A. ^{[1
]}

Burciaga-Montemayor, Nidia G. ^{[1
]}

Cano-Salazar, Lucia F. ^{[1
]}

Flores-Guia, Tirso E. ^{[1
]}

Cabrera-Munguia, Denis A. ^{[1
]}

Herrera-Guerrero, Adan ^{[2
]}

Soriano-Corral, Florentino ^{[2
]}

机构：

[1] Univ Autonoma Coahuila, Fac Ciencias Quim, Ingn J Cardenas Valdez S-N, Saltillo 25280, Coahuila, Mexico

[2] Ctr Invest Quim Aplicada CIQA, Enrique Reyna H 140, Saltillo 25294, Coahuila, Mexico

来源：

JOURNAL OF POLYMERS AND THE ENVIRONMENT | 2020年 / 28卷 / 11期

关键词：

Hydrogel; Composite; Collagen; Chitosan; Manganite; Adsorption; Pb(II); INTERPENETRATING NETWORK HYDROGEL; CROSS-LINKING; PROTECTED OLIGOURETHANES; ADSORPTION BEHAVIOR; HEAVY-METALS; GAMMA-MNOOH; REMOVAL; CU(II); WATER; WASTE;

D O I：

10.1007/s10924-020-01822-8

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The contamination of water by Pb2+ ions is a problem that requires an imminent solution. Design of hydrogels based on polymers as well as inorganic phases is an innovative alternative for the generation of matrices with adapted properties. This work proposes the synthesis of a novel composite hydrogel based on collagen-polyurethane-chitosan reinforced with manganite; this inorganic phase increases the velocity of the adsorption process of the Pb2+ ions. The effect of the concentration of manganite on the properties of composite hydrogels is studied. The results indicate that the composite reinforced with manganite presents an amorphous structure, improved mechanical properties and resistance to the both acidic and proteolytic degradation. The hydrogel with 35 wt% of manganite show a removal rate of Pb2+ of 91 +/- 6% at 24 h. These hydrogel composites could represent an efficient and sustainable alternative for the removal of Pb2+ ions from contaminated water. [GRAPHICS] .

引用

页码：2864 / 2879

页数：16

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