ADSORPTION AND RECONFORMATION OF A SERIES OF CATIONIC POLYACRYLAMIDES ON CHARGED SURFACES
被引:22
作者:
EINARSON, M
论文数: 0引用数: 0
h-index: 0
机构:
SWEDISH PULP & PAPER RES INST,S-11486 STOCKHOLM,SWEDENSWEDISH PULP & PAPER RES INST,S-11486 STOCKHOLM,SWEDEN
EINARSON, M
[1
]
AKSBERG, R
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h-index: 0
机构:
SWEDISH PULP & PAPER RES INST,S-11486 STOCKHOLM,SWEDENSWEDISH PULP & PAPER RES INST,S-11486 STOCKHOLM,SWEDEN
AKSBERG, R
[1
]
ODBERG, L
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h-index: 0
机构:
SWEDISH PULP & PAPER RES INST,S-11486 STOCKHOLM,SWEDENSWEDISH PULP & PAPER RES INST,S-11486 STOCKHOLM,SWEDEN
ODBERG, L
[1
]
BERG, JC
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h-index: 0
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SWEDISH PULP & PAPER RES INST,S-11486 STOCKHOLM,SWEDENSWEDISH PULP & PAPER RES INST,S-11486 STOCKHOLM,SWEDEN
BERG, JC
[1
]
机构:
[1] SWEDISH PULP & PAPER RES INST,S-11486 STOCKHOLM,SWEDEN
来源:
COLLOIDS AND SURFACES
|
1991年
/
53卷
/
1-2期
关键词:
D O I:
10.1016/0166-6622(91)80044-O
中图分类号:
O64 [物理化学(理论化学)、化学物理学];
学科分类号:
070304 ;
081704 ;
摘要:
The adsorption and adsorption stoichiometry for a series of high molecular weight cationic polyacrylamides of different charge density on cellulosic fibers are examined as functions of time. The time required for the reconformation of the polymer adlayer is of the order of one minute in all cases, but the results indicate a decrease in adsorption stoichiometry and reconformation rate with increasing polyelectrolyte charge density. Comparison of the adsorption/reconformation rates on cellulosic fibers with those on polystyrene latex shows the process to be more rapid for the latex. This result is attributed primarily to differences in the surface porosity of the substrates.