pH-/Temperature-Triggered Gel Transition of Hyperbranched PEI-g-PDMAEMA as a Dual-Responsive Inhibitor for Clay Hydration Control
Ming Zhong, Yang Xiong · 2026
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Description
Ming Zhong and Yang Xiong made a polymer that turns to gel when heat and acidity change in two thousand twenty-six. The target use is drilling in deep water, where clay swells with water and can destabilize the well. A smart inhibitor that switches on downhole could block that swelling.
Their branched polymer anchors to clay by electric charge under mild alkaline conditions. Above a set temperature its segments turn water-shy and link into a gel barrier. Tests showed far less clay swelling at higher temperature, and shale recovery stayed high even in salty brines with calcium or magnesium. The gel step reversed on cooling, which suits on-demand control.
Catalog record
| CREATOR | Ming Zhong, Yang Xiong |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 56 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |