Xiaohu Liu

Title: Xiaohu Liu and Salt-Tolerant Polymer Microsphere Technology.

Introduction

Xiaohu Liu is an inventor based in Xi’an, China, associated with Shaanxi University of Science and Technology. His patent work addresses polymer microspheres designed to perform in high-salinity conditions.

Latest Patents

Liu is listed as an inventor on 1 patent: “Salt-Tolerant Polymer Microsphere Plugging Agent and Preparation Method Thereof.” The invention describes an agent made from white oil, fumed silica, acrylamide monomer, acrylic acid, sorbitan fatty acid ester, N,N′-methylene bisacrylamide, ammonium persulfate, sodium bisulfite, a hydrophilic surfactant, and water.

The disclosed preparation uses inverse-phase emulsion polymerization to produce polymer microspheres with ultra-low interfacial tension. The patent reports an interfacial-tension value of 4.3 × 10 mN/m and salt tolerance of up to 50,000 mg/L salinity. The technology is intended to address limitations in existing polymer microspheres, including insufficiently low interfacial tension and poor salt tolerance.

Career Highlights

Liu’s listed patent connects his inventive work with materials and methods for polymer-based plugging agents. The invention’s focus on maintaining performance in saline environments is a notable feature of the disclosed technology.

Collaborations

Xiaojuan Lai and Jinhao Gao are identified as Liu’s coworkers. The available information does not specify their roles in the patent or the nature of their collaboration.

Conclusion

Xiaohu Liu’s patent describes a salt-tolerant polymer microsphere plugging agent developed through inverse-phase emulsion polymerization, with reported properties aimed at improving performance under high-salinity conditions.