**5. Conclusions and Perspectives**

In this paper, a weakly polar polymer (PVA-AA-t) was synthesized by a relatively simple solution polymerization method. The polymer has similar properties to a alkalisoluble polyacrylic acid thickener, is sensitive to pH and electrolytes, and shows excellent thickening performance under neutral conditions, where the solution viscosity of only 0.3% PVA-AA-t can reach 4 Pa·s. In addition, it shows much better dispersion and thickening performance for Gr than other thickeners. Based on the findings of this paper, there is realistic potential for the application of Gr slurry dispersed by PVA-AA-t in the development of various products (such as conductive textile materials, robots, etc.) and industrial production for solving Gr adhesion, while the polymer could be used in research on the dispersion of other non-polar powders using PVA-AA-t.

**Author Contributions:** Conceptualization, X.C. and B.H.; methodology, X.C. and Y.Z.; software, X.C.; validation, X.C., Y.Z. and W.H.; formal analysis, X.C.; investigation, X.C.; resources, B.H.; data curation, X.C.; writing—original draft preparation, X.C.; writing—review and editing, X.C.; visualization, X.C. and Y.Z.; project administration, B.H. All authors have read and agreed to the published version of the manuscript.

**Funding:** This research received no external funding.

**Institutional Review Board Statement:** Not applicable.

**Informed Consent Statement:** Not applicable.

**Data Availability Statement:** Data that support the findings of this study are included in the article.

**Conflicts of Interest:** The authors declare no conflict of interest.
