Citation:
Xiu-Ming Liu, Dong-Qin He, Kuan-Jun Fang. Adsorption of cationic copolymer nanoparticles onto bamboo fiber surfaces measured by conductometric titration[J]. Chinese Chemical Letters,
;2015, 26(9): 1174-1178.
doi:
10.1016/j.cclet.2015.05.006
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Monosized nanoparticles of 57.3 nm were prepared by cationic emulsion polymerization using a polymerizable emulsifier DMHB. The adsorption of nanoparticles onto bamboo fibers was measured by conductometric titration. The results indicated that the adsorption capacity increased with increasing contact time until 120 min. The equilibrium data for nanoparticles adsorption onto bamboo fibers were well fitted to the Langmuir equation. Moreover, the monolayer adsorption capacity of nanoparticles in the concentration range (from 0.03 g/L to 0.6 g/L) studied, as calculated from Langmuir isotherm model at 25℃, was found to be 38.61 mg/g of fibers. The SEM images showed that the nanoparticles form a uniform monolayer on bamboo fiber surfaces.
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Keywords:
- Adsorption,
- Copolymer,
- Cationic nanoparticles,
- Bamboo fibers
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