Company Filing History:
Years Active: 1994-1996
Title: Innovations of Der-Shyang Chen
Introduction
Der-Shyang Chen is a notable inventor based in Miaoli Hsien, Taiwan. He has made significant contributions to the field of adhesives and polyurethanes, holding a total of 2 patents. His work focuses on developing advanced materials that exhibit superior performance under extreme conditions.
Latest Patents
One of his latest patents is for "Cryogenic adhesives made from epoxy terminated urethanes." This two-part adhesive composition boasts superior adhesive strength at cryogenic temperatures. It consists of a urethane resin composition part and a hardener part. The urethane resin composition part includes 50 to 99% by weight of a modified polyurethane prepolymer with epoxy groups at each end, and 1 to 50% by weight of a modified urethane compound that has no ether cyanate (NCO) groups and at least two epoxy groups per molecule. The hardener part is a polyamine containing primary or secondary amine groups, with an equivalent ratio of amine groups to epoxy groups ranging from 0.5 to 2.0.
Another significant patent is for "Water dispersible polyurethane and process for preparation thereof." This invention involves amine-containing, water dispersible polyurethanes created through a multi-step process. The process includes reacting polyisocyanate with polyol to form an NCO-terminated urethane prepolymer, followed by the addition of hydroxy alkyl acrylate or methacrylate monomers. The final product can be mixed with a crosslinking agent to create a stable aqueous coating composition.
Career Highlights
Der-Shyang Chen is currently employed at China Technical Consultants, Inc. His work at this company has allowed him to focus on innovative solutions in the field of adhesives and polymers. His expertise has contributed to advancements in materials science, particularly in applications requiring high-performance adhesives.
Collaborations
He has collaborated with notable coworkers, including Hung-Chung Hsia and Chen-Chi Martin Ma, who have also contributed to the field of materials science. Their combined efforts have led to significant advancements in adhesive technologies.
Conclusion
Der-Shyang Chen's innovative work in the development of cryogenic adhesives and water dispersible polyurethanes showcases his expertise and commitment to advancing materials science. His contributions continue to impact various industries, demonstrating the