Organic Modification and Ball Milling of Bentonite and its Retention Properties

Wei Chen; You Ming Li; Nan Li; Dong Hai Chen; Xiao Fang Wan; Wei Ming Chen; Wu Tang

doi:10.4028/www.scientific.net/AMM.197.201

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Organic Modification and Ball Milling of Bentonite and its Retention Properties
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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 197Organic Modification and Ball Milling of Bentonite...

Organic Modification and Ball Milling of Bentonite and its Retention Properties

Abstract:

Stearyltrimethyl ammonium bromide(STAB) was used for organic modification of bentonite and then ball milled the modified bentonite. The organically modified bentonite was analyzed by FT-IR and XRD. The results show that the stearyltrimethyl ammonium bromide has been interalated into the layers of bentonite. The layer distance of the bentonite is increased from 1.256nm to 2.694nm. The appropriate experimental conditions of interplanar spacing increasing were the dosage of STAB 40%, reaction time 4h, temperature 75°C. The ball milled organically modified bentonite was analyzed by SEM. The results show that the particle mainly reach submicron to nanometer when ball mill 2h. The particle size distribution range is from 100nm to 500nm. Ball milled organically modified bentonite/ cationic guar gum(CGG) can improve retention rate of paper-process reconstituted tobacco pulp obviously than organically modified bentonite/CGG because of smaller grains and better unigormity of ball milled bentonite.

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Periodical:

Applied Mechanics and Materials (Volume 197)

Pages:

201-205

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.197.201

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Online since:

September 2012

Authors:

Wei Chen, You Ming Li, Nan Li, Dong Hai Chen, Xiao Fang Wan, Wei Ming Chen, Wu Tang

Keywords:

Ball Mill, Bentonite, Organically Modification, Retention, STAB

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