Rheology of alkali-soluble associative polymers in aqueous solution

An experimental study was carried out on the rheological properties of aqueous solutions of four model HASE associative polymers which have essentially the same chemical structure and molecular weight but different carbon content on the n-alkyl hydrophobic moiety. Studies on the pH effects revealed...

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Bibliographic Details
Main Author: Guo, Liang.
Other Authors: Tam, Kam Chiu
Format: Thesis
Language:English
Published: 2009
Subjects:
Online Access:http://hdl.handle.net/10356/19936
Description
Summary:An experimental study was carried out on the rheological properties of aqueous solutions of four model HASE associative polymers which have essentially the same chemical structure and molecular weight but different carbon content on the n-alkyl hydrophobic moiety. Studies on the pH effects revealed that solutions of these model polymers needed to be neutralized to a pH above 6.5 to develop full thickening efficiency. Excess alkali content in the solution, on the other hand, had a negative effect on the thickening efficiency of these model polymers.