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Original Articles

Intrinsic Rheo-Kinetics on Gelation Process of Hydrophobic Amphoteric Cellulose

, , , , , , , , , , & show all
Pages 1076-1082 | Received 25 Jul 2015, Accepted 04 Aug 2015, Published online: 16 Mar 2016
 

Abstract

Micro-rheological properties including elasticity index (EI) and solid liquid balance (SLB) of gelation process of hydrophobic amphoteric cellulose solution at different temperatures and crosslinker concentrations were investigated by optical micro-rheometer in this work. During the crosslinking gelation process, EI appears a two-stage rise, and SLB first increases to maximum and then decreases to constant. According to EI curves, the gelation process can be divided into two stages. Intrinsic rheo-kinetics equations were first established to characterize the two-stage crosslinking process. The simulated values by the novel intrinsic rheo-kinetic models were in good agreement with experimental data and the model parameters were well-defined and of reasonable significance.

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