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题名: Synthesis, characterization and water absorbency properties of poly(acrylic acid)/sodium humate superabsorbent composite
作者: Li, A;  Zhang, JP;  Wang, AQ
关键词: acrylic acid ;  sodium humate ;  crosslinking ;  composites ;  synthesis
刊名: POLYMERS FOR ADVANCED TECHNOLOGIES
发表日期: 2005-09-01
DOI: 10.1002/pat.641
卷: 16, 期:9, 页:675-680
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Polymer Science
研究领域[WOS]: Polymer Science
英文摘要: A novel poly(acrylic acid)/sodium humate superabsorbent composite was synthesized by aqueous solution polymerization of acrylic acid using N, N'-methylenebisacrylamide as a crosslinker and ammonium persulfate as an initiator in the presence of sodium humate. The effects on water absorbency such as initial monomer concentration, degree of neutralization of acrylic acid, amount of crosslinker, initiator and sodium humate, etc. were investigated. The water absorbency of the superabsorbent composite synthesized under optimal synthesis conditions with a sodium humate content of 20% exhibited an absorption of 1268 g H2O/g sample and 93 g H2O/g sample in distilled water and in 0.9 wt% NaCl solution, respectively. Swelling rate and water retention tests were also carried out. The results show that sodium humate, as a kind of functional filler, can enhance comprehensive properties of superabsorbent composite and reduce the product cost significantly. Copyright (c) 2005 John Wiley & Sons, Ltd.
关键词[WOS]: TOTAL MONOMER CONCENTRATION ;  SWELLING BEHAVIOR ;  ANIONIC MONOMERS ;  ACRYLAMIDE ;  COPOLYMER ;  HYDROGELS ;  POLYMERS
语种: 英语
WOS记录号: WOS:000232383500005
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/139605
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Ctr Ecol & Green Chem, Inst Chem Phys, Lanzhou 730000, Peoples R China

Recommended Citation:
Li, A,Zhang, JP,Wang, AQ. Synthesis, characterization and water absorbency properties of poly(acrylic acid)/sodium humate superabsorbent composite[J]. POLYMERS FOR ADVANCED TECHNOLOGIES,2005,16(9):675-680.
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