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Citation: LIU Jianxin, ZHOU Wei, LIU Yigang, GUO Yongjun, FENG Rusen, SHU Lian. Adsorption of Hydrophobically Associating Polymer on Sand:Influence of Hydrophobe Content and Micro-block Length[J]. Chinese Journal of Applied Chemistry, ;2011, 28(7): 785-790. doi: 10.3724/SP.J.1095.2011.00531 shu

Adsorption of Hydrophobically Associating Polymer on Sand:Influence of Hydrophobe Content and Micro-block Length

LIU Jianxin ^a ,
ZHOU Wei ^b ,
LIU Yigang ^c ,
GUO Yongjun ^a,, ,
FENG Rusen ^a ,
SHU Lian ^a

1.
a State Key Laboratory of Oil and Gas Reservoirs Geology and Exploration, Southwest Petroleum University, Chengdu 610500;
2.
b State Key Laboratory of Offshore Oil Exploitation, China National Offshore Oil Corporation(CNOOC), Beijing;
3.
c Tianjin Branch of CNOOC China Limited, Tianjin

Corresponding author: GUO Yongjun,
Received Date: 13 September 2010
Available Online: 3 December 2010
Fund Project: 国家高技术研究发展计划(863计划)(2007AA090701-1)资助项目 (863计划)(2007AA090701-1)

The static adsorption properties of several water soluble polymers,including different kinds of partially hydrolyzed polyacryamide(HPAM) and hydrophobically associative water soluble polymers(HAWSPs),have been studied at 45℃,55℃ and 65℃.The results show that the maximum adsorption of HAWSPs on sand is affected by the hydrophobe contents and the lengths of micro-block,with the former one playing the major role.The isothermal adsorption curves show two platform areas.The maximum adsorption of HPAM rises with the increase of temperature,but the situation for HAWSPs is in the contrary.It indicates that the hydrophobe contents and the lengths of micro-block may affect the adsorption.
- hydrophobically associative water soluble polymer,
- micro-block copolymer,
- static adsorption,
- maximum adsorption,
- isothermal adsorption,
- adsorption enthalpy
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