Preparation and Properties of Superabsorbent by Graft Co-polymrization of Acrylic Acid onto Different Celluloses of Crops Stems

Chem. J. Chinese Universities

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Preparation and Properties of Superabsorbent by Graft Co-polymrization of Acrylic Acid onto Different Celluloses of Crops Stems

WANG Cun-Guo¹*, HE Li-Xia¹, DONG Xian-Guo¹, GAO Xiao-Ping¹, LIU Wei¹, DONG Xiao-Chen^1,2, YUAN Tao¹, ZHANG Jun¹

1. School of Polymer Science and Engineering, Key Laboratory of Rubber-plastics and Engineering of Ministry of Education, Qingdao University of Science and Technology, Qingdao 266042, China;
2. Faculty of Materials and Chemical Engineering, Zhejiang University, Hangzhou 310027, China

Received:2007-04-02 Revised:1900-01-01 Online:2007-09-10 Published:2007-09-10
Contact: WANG Cun-Guo

Abstract

Abstract: The different celluloses of crops stalks such as corn, cotton and wheat stem were studied by graft copolymerization with acrylic acid. Many factors, such as ratios of starch to cellulose, de-ionized water, running water and rain water, which affected the absorbency of copolymers, were researched. The copolymer prepared from cotton stem cellulose and acrylic acid can absorb de-ionized water 930 g/g, running water 670 g/g, and rain water 380 g/g. The copolymer of corn crop cellulose and sweet potato starch(3∶2, mass ratio) with acrylic acid can absorb rain water 540 g/g.

Key words: Superabsorbent, Cellulose, Acrylic acid, Graft copolymer, Crop stem

CLC Number:

O636

TrendMD:

WANG Cun-Guo¹*, HE Li-Xia¹, DONG Xian-Guo¹, GAO Xiao-Ping¹, LIU Wei¹, DONG Xiao-Chen^1,2, YUAN Tao¹, ZHANG Jun¹. Preparation and Properties of Superabsorbent by Graft Co-polymrization of Acrylic Acid onto Different Celluloses of Crops Stems[J]. Chem. J. Chinese Universities, doi: .

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Preparation and Properties of Superabsorbent by Graft Co-polymrization of Acrylic Acid onto Different Celluloses of Crops Stems

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