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Polymer gels are widely used as drilling plugging materials. In this paper, titanium bis(triethanolamine)diisopropoxide (TE) and polyvinyl alcohol (PVA) solution were chemically cross‐linked to obtain a gel material. It shows that the OH on the PVA molecular chain are chemically cross‐linked with the Ti ion in TE crosslinking agent through complexation reaction, and the cross‐linked segment can inhibit...