Determination of the Structure of Polyacrylamide／Aluminum Citrate Colloidal Dispersion Gel System
摘要
1 INTRODUCTIONIn recent years,colloidal dispersion gel(CDG)have been attracting more and more in thefield of enhanced oil recovery on account of the cost-effectiveness and high efficiency ofblocking formation.Compared with bulk gel(BG),CDG exhibits lower polymer concentra-tion,undefined shape and selective blocking formation characteristics.The characteris-tics of CDG and BG are related to structure.In the bulk gel a continuous network of polymermolecules is formed predominant through intermolecular cross-linkages.The colloidal
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彭勃, 李明远, 纪淑玲, 等. Determination of the Structure of Polyacrylamide／Aluminum Citrate Colloidal Dispersion Gel System[J]. Acta Scientiarum Naturalium Universitatis Sunyatseni, 1998.
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