Fabrication and assessment of polyacrylate/(guar gum modified bentonite) superabsorbent polymeric composite

被引：12

作者：

Banerjee, Subham ^{[1
]}

Verma, Sushma ^{[1
]}

Pal, Dilipkumar ^{[1
]}

Ghosh, Ashoke Kumar ^{[1
]}

Bhattacharya, Shiv Sankar ^{[1
]}

Chattopadhyay, Pronobesh ^{[2
]}

Ghosh, Animesh ^{[3
]}

Kaity, Santanu ^{[3
]}

机构：

[1] IFTM Univ, Sch Pharmaceut Sci, Moradabad 244001, Uttar Pradesh, India

[2] DRL, Div Pharmaceut Technol, Tezpur 784001, Assam, India

[3] BIT, Dept Pharmaceut Sci, Ranchi 835215, Jharkhand, India

来源：

JOURNAL OF POLYMER ENGINEERING | 2011年 / 31卷 / 8-9期

关键词：

bentonite; guar gum; polymerization; superabsorbent polymer; SALT-SENSITIVITY; HYDROGELS; MICROSPHERES; DELIVERY; SODIUM; WATER;

D O I：

10.1515/POLYENG.2011.500

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

A superabsorbent composite was synthesized via polymerization in a complete aqueous environment. A polymeric composites was fabricated effectively by varying the concentration of natural gum and crosslinker. Reinforcing of the polymer chains with bentonite sheets was confirmed by Fourier transform infrared (FTIR) spectra. X-ray diffraction (XRD) revealed that bentonite was exfoliated and dispersed in the polymeric matrix. Scanning electron microscopy (SEM) and thermal analysis (TGA/DSC/DTA) were used to study the morphology and thermal stability of the composites, respectively. The effects of natural gum and crosslinker were investigated. Results showed that introducing organic-inorganic composites improved the swelling capability and water retention ability of the superabsorbent.

引用

页码：567 / 575

页数：9

共 21 条

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