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Citation: CHEN Hao, ZHANG Jun-Ping, WANG Ai-Qin. Study on Preparation of Organo-attapulgite Clays and Properties of Superabsorbent Composites[J]. Chinese Journal of Applied Chemistry, ;2006, 23(1): 69-73. shu

Study on Preparation of Organo-attapulgite Clays and Properties of Superabsorbent Composites

CHEN Hao ^a,b ,
ZHANG Jun-Ping ^a,b ,
WANG Ai-Qin ^a,,

1.
a Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000;
2.
b Graduate School of the Chinese Academy of Sciences, Beijing

Corresponding author: WANG Ai-Qin,
Received Date: 22 March 2005
Available Online: 12 June 2005
Fund Project: 科技部"八六三"专项项目(2005AA2Z4030)资助 (2005AA2Z4030)

Organo-attapulgite clays were prepared by means of mechanical stirring and ultrasonic treatment in a hexadecyltrimethylammonium bromide (HTAB) and attapulgite clay mixture solution.The attapulgite clay and organo-attapulgite clays were characterized by using XRD, FTIR, SEM and TEM techniques.The results show that the HTAB cations were adsorbed on the surface of attapulgite needles, and dispersion of the organo-attapulgite clays showed nano-dimension.Organic contents of the two organo-attapulgite clays prepared by either mechanical stirring or ultrasonic treatment under the same conditions were 5.12% and 2.98%, respectively.The two organo-attapulgite clays were used for the preparation of organic-inorganic hybrid superabsor-bents.When the clay content was 10%, the water absorbencies of the two resulting superabsorbent composites reached 3 820 g/g and 3 323 g/g, respectively, which are higher than that of superabsorbent composite prepared with untreated attapulgite clay(2 872 g/g).
- attapulgite clay,
- organized modification,
- superabsorbent composites
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