Jo-Chun Chen

Title: Jo-Chun Chen and Bio-Based Waterborne Polyurethane Innovation.

Introduction

Jo-Chun Chen is an inventor based in Taipei, Taiwan, and is associated with Jintex Corporation Ltd. His patent work focuses on bio-based waterborne polyurethane materials and fluorine-free water repellents.

Latest Patents

Chen is associated with 1 patent, titled “Method of Preparing Bio-Based Waterborne Polyurethane Intermediate, Bio-Polyurethane-Acrylic Hybrid Fluorine-Free Water Repellent and the Application Thereof.”

The patent describes preparing a bio-based waterborne polyurethane intermediate by combining a bio-based isocyanate compound, sorbitol, fatty acid-substituted glycolipid, dihydroxyl-terminated polydialkylsiloxane, and a solvent. A first initiator is added to promote polymerization, followed by water, an emulsifier, and acetic acid to form the intermediate. The disclosure also describes producing a bio-based polyurethane-acrylic hybrid fluorine-free water repellent from that intermediate and an acrylic-based fluorine-free water repellent.

Career Highlights

Chen’s disclosed invention brings together bio-based components and waterborne polyurethane chemistry in the development of a fluorine-free water-repellent material. His work is associated with Jintex Corporation Ltd.

Collaborations

The provided information identifies Yee-Fung Lin and Zih-Hao Cheng as Chen’s coworkers. Their specific roles in the patent or related development work are not stated.

Conclusion

Jo-Chun Chen’s patent centers on a bio-based polyurethane intermediate and its use in a fluorine-free water-repellent formulation, reflecting his contribution to materials innovation at Jintex Corporation Ltd.