Location History:
- Changhua, TW (2013 - 2019)
- Changhua County, TW (2020)
Company Filing History:
Years Active: 2013-2020
Title: Cheng-Han Hsieh: Innovator in Polyurethane Technologies
Introduction
Cheng-Han Hsieh is a prominent inventor based in Changhua, Taiwan. He has made significant contributions to the field of polyurethane technology, holding a total of 4 patents. His innovative work focuses on developing new materials and methods that enhance the properties and applications of polyurethanes.
Latest Patents
One of his latest patents is a "Polyurethane urea composition and preparation method thereof." This invention provides a method that includes mixing and reacting urea and an amine compound to obtain a polyurea oligomer. The process further involves mixing and reacting the polyurea oligomer with a cyclic carbonate compound to create a polyurethane urea composition characterized by a specific repeating unit.
Another notable patent is for "Biomass thermoplastic polyurethane." This invention presents a biomass-based thermoplastic polyurethane that is a reaction product of a specific composition. The composition consists of modified lignin, a first polyol, and a diisocyanate, with the modified lignin having an OH value of less than 3.0 mmol/g. This innovative approach emphasizes sustainability by utilizing biomass materials.
Career Highlights
Cheng-Han Hsieh is affiliated with the Industrial Technology Research Institute, where he continues to advance research in polymer science. His work has not only contributed to the academic community but has also had practical implications in various industries.
Collaborations
Throughout his career, Cheng-Han has collaborated with notable colleagues, including Yung-Chan Lin and Mao-Lin Hsueh. These collaborations have fostered a dynamic research environment that encourages innovation and the sharing of ideas.
Conclusion
Cheng-Han Hsieh is a distinguished inventor whose work in polyurethane technology has led to significant advancements in the field. His patents reflect a commitment to innovation and sustainability, making him a valuable contributor to modern materials science.