Company Filing History:
Years Active: 2012-2016
Title: Pujing Zuo: Innovator in Aliphatic Polyester Technology
Introduction
Pujing Zuo is a notable inventor based in Shanghai, China, recognized for his contributions to the field of aliphatic polyester technology. He holds 2 patents that showcase his innovative approaches to polymerization methods.
Latest Patents
One of his latest patents is a solid-phase polymerization method for preparing high-molecular-weight aliphatic polyester. This method conducts the solid-phase polymerization of aliphatic polyester prepolymer under a gas stream containing a sulfonic acid catalyst. The process is efficient in producing metal-free aliphatic polyester with high molecular weight, excellent color and luster, and remarkable thermal stability. This non-metal-ion aliphatic polyester is not only suitable for common applications but also serves as a high value-added medical material and packing material that comes into direct contact with food.
Another significant patent is a method for producing aliphatic polyester resin, which includes a melt polymerization step followed by a solid-phase polymerization step. This method utilizes a sulfonic acid group-containing compound as a catalyst, with specific parameters for the addition amount and residual rate of the catalyst during the polymerization process.
Career Highlights
Pujing Zuo has worked with prominent companies in the industry, including Toray Industries, Inc. and NatureWorks LLC. His experience in these organizations has contributed to his expertise in polymer science and innovation.
Collaborations
Throughout his career, Pujing Zuo has collaborated with notable professionals such as Yong Gen He and Tatsuya Nagano. These collaborations have further enriched his work and expanded the impact of his inventions.
Conclusion
Pujing Zuo's innovative methods in aliphatic polyester technology demonstrate his significant contributions to the field. His patents reflect a commitment to advancing polymer science and creating materials that meet high standards of quality and safety.