Company Filing History:
2 out of 62 
1 out of 18 
1 out of 2 Years Active: 2021-2024
Title: Innovations of Yunling Liu in Aqueous Polyurethane Technologies
Introduction
Yunling Liu is a notable inventor based in Shandong, China. He has made significant contributions to the field of aqueous polyurethane technologies, holding a total of 2 patents. His work focuses on enhancing the functionality and application of polyurethane materials, particularly in cosmetic and adhesive products.
Latest Patents
Yunling Liu's latest patents include the development of an aqueous polyurethane functional mask substrate. This invention promotes the transdermal penetration and absorption of functional ingredients such as whitening, moisturizing, and anti-aging components in facial masks. The unique cross-linked structures of the polyurethane films allow for an even application on the face, and the mask can be removed easily after drying or by moistening with water.
Another significant patent involves a self-crosslinkable polyurethane or polyurethane-urea aqueous dispersion. This invention features side chains containing non-sterically-hindered siloxy groups, which enhance the cross-linking density during the drying process. This results in improved heat and humidity resistance, making the dispersion suitable for high-quality paints, sealants, and adhesives.
Career Highlights
Yunling Liu has worked with prominent companies in the chemical industry, including Wanhua Chemical Group Co., Ltd. and Wanhua Chemical (Ningbo) Co., Ltd. His experience in these organizations has contributed to his expertise in developing innovative polyurethane solutions.
Collaborations
Yunling Liu has collaborated with notable colleagues such as Xueshun Ji and Jiakuan Sun. Their combined efforts have further advanced the research and application of polyurethane technologies.
Conclusion
Yunling Liu's contributions to aqueous polyurethane innovations demonstrate his commitment to enhancing product functionality in various applications. His patents reflect a deep understanding of material science and its practical implications in everyday products.