Synthesis and swelling behaviors of poly(sodium acrylate)/hydroxyapatite superabsorbent nanocomposites

CORC > 兰州化学物理研究所 > 中国科学院兰州化学物理研究所 > 环境材料与生态化学研究发展中心

	Synthesis and swelling behaviors of poly(sodium acrylate)/hydroxyapatite superabsorbent nanocomposites
	Wang AQ(王爱勤); Zheng YA(郑易安)
刊名	Advanced Materials Research
	2010
卷号	96 页码:227-232
关键词	superabsorbent nanocomposite hydroxyapatite water absorbency swelling behavior reswelling capability
ISSN号	1022-6680
通讯作者	王爱勤 aqwang@licp.cas.cn
中文摘要	Superabsorbent nanocomposites based on partially neutralized acrylic acid (AA) and hydroxyapatite (HP) were prepared by free radical solution polymerization using N, N′-methylenebisacrylamide (MBA) as the crosslinker and ammonium persulfate (APS) as the initiator. The developed nanocomposites were characterized by Fourier-transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The effects of HP content on water absorbency of the nanocomposites were investigated, and the swelling behaviors of the nanocomposites in various pH solutions and their reswelling capability in distilled water were also systematically evaluated. FTIR spectra revealed that the P–OH groups of HP participated in graft polymerization reaction with AA. TEM analysis showed the needle-like crystals of HP present in the PAA/HP nanocomposite with a diameter of about 40 nm and a length of about 270 nm. The swelling rate and reswelling capability of the superabsorbents were improved due to the introduction of HP into PAA polymeric network, and this result implied that the nanocomposites acted as a recyclable water-saving material.
学科主题	功能高分子
收录类别	EI
资助信息	科技部863项目(2006AA100215)
语种	英语
公开日期	2012-09-02
内容类型	期刊论文
源URL	[http://210.77.64.217/handle/362003/139]
专题	兰州化学物理研究所_环境材料与生态化学研究发展中心
推荐引用方式 GB/T 7714	Wang AQ,Zheng YA. Synthesis and swelling behaviors of poly(sodium acrylate)/hydroxyapatite superabsorbent nanocomposites[J]. Advanced Materials Research,2010,96:227-232.
APA	王爱勤,&郑易安.(2010).Synthesis and swelling behaviors of poly(sodium acrylate)/hydroxyapatite superabsorbent nanocomposites.Advanced Materials Research,96,227-232.
MLA	王爱勤,et al."Synthesis and swelling behaviors of poly(sodium acrylate)/hydroxyapatite superabsorbent nanocomposites".Advanced Materials Research 96(2010):227-232.