UV-Initiated Polymerization of Hydrophobically Associating Cationic Polyacrylamide Modified by a Surface-Active Monomer: A Comparative Study of Synthesis, Characterization, and Sludge Dewatering Performance

2014 ◽  
Vol 53 (27) ◽  
pp. 11193-11203 ◽  
Author(s):  
Yi Liao ◽  
Huaili Zheng ◽  
Li Qian ◽  
Yongjun Sun ◽  
Li Dai ◽  
...  
Keyword(s):  
Comparative Study ◽  
Sludge Dewatering ◽  
Cationic Polyacrylamide ◽  
Surface Active ◽  
Hydrophobically Associating

A comparative study of ultrastructures of the interfaces between four kinds of surface-active ceramic and bone

1992 ◽  
Vol 26 (11) ◽  
pp. 1419-1432 ◽  
Author(s):  
M. Neo ◽  
S. Kotani ◽  
T. Nakamura ◽  
T. Yamamuro ◽  
C. Ohtsuki ◽  
...  
Keyword(s):  
Comparative Study ◽  
Surface Active

Preparation and Application of Hydrophobically Associating Cationic Polyacrylamide

2011 ◽  
Vol 284-286 ◽  
pp. 1808-1814
Author(s):  
Wei Bing Wu ◽  
Bin Liu ◽  
Xiao Fan Zhou ◽  
Yi Jing ◽  
Hong Qi Dai
Keyword(s):  
Reaction Time ◽  
Dispersion Polymerization ◽  
Solid Content ◽  
Image Analyzer ◽  
Trimethyl Ammonium Chloride ◽  
High Solid Content ◽  
Retention Efficiency ◽  
Cationic Polyacrylamide ◽  
Low Viscosity ◽  
Hydrophobically Associating

“Water-in-water” emulsions of hydrophobically associating cationic polyacrylamide (HACPAM) with both cationic groups (methacrylatoethyl trimethyl ammonium chloride, DMC) and hydrophobic groups (n-butyl acrylate, BA) were synthesized by dispersion polymerization. The structure of the copolymer was confirmed by FTIR and 1HNMR. The prepared “water-in-water” emulsions possessed high solid content, low viscosity, good stability and solubility. An image analyzer photographed the size of the emulsion particles. The polymerization behaviors with varying concentrations of acrylamide, DMC, BA, stabilizer and reaction time were investigated. Appropriate concentrations of monomer, BA and DMC for stable dispersion system were in the scope of 10~15 wt%, 0.025 ~ 0.15 wt% and 1~ 4 wt%, respectively. The dynamic drainage experiment results show that the HACPAM “water-in-water” emulsions can be directly used as retention aid and obviously improve the retention efficiency of bleached broad-leaved pulp.

scholarly journals Synthesis and Application of Hydrophobically Associating Cationic Polyacrylamide

2014 ◽  
Vol 26 (13) ◽  
pp. 3769-3773 ◽  
Author(s):  
Y.J. Sun ◽  
H.L. Zheng ◽  
M.Z. Tan ◽  
J.Y. Ma ◽  
W. Fan ◽  
...  
Keyword(s):  
Cationic Polyacrylamide ◽  
Hydrophobically Associating
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