Osit Karroonnirun

Title: Osit Karroonnirun: Innovator in Polybutylene Terephthalate Production

Introduction

Osit Karroonnirun is an accomplished inventor based in Evansville, IN, United States, with a notable contribution to the field of polymer chemistry. He holds three patents related to the innovative processes for producing polybutylene terephthalate (PBT), a versatile thermoplastic material used in various applications.

Latest Patents

Karroonnirun's latest inventions focus on improving the production processes of PBT. One of his significant patents describes a continuous process for making polybutylene terephthalate. This process involves melting a solid PBT oligomer with specific intrinsic viscosity and carboxylic end group concentration, followed by a continuous polycondensation to achieve enhanced molecular weight. The resulting PBT exhibits an intrinsic viscosity ranging from 0.5 to 1.3 dL/g, ensuring a reliable quality for industrial use.

Another patented process pertains to the preparation of PBT oligomers, which are foundational for creating PBT resin. By combining 1.4-butane diol, terephthalic acid, and a catalyst, and heating the mixture until the desired clearing point is reached, Karroonnirun has developed a method that yields oligomers with optimal intrinsic viscosity and carboxylic end group concentrations. These oligomers serve as a critical component in the continuous process of producing high-quality PBT.

Career Highlights

Karroonnirun is associated with Sabic Global Technologies B.V., where he applies his expertise in polymer science and engineering to drive innovation in materials development. His work directly contributes to advancements in polymer processing technologies, emphasizing his commitment to enhancing product performance and manufacturing efficiency.

Collaborations

Throughout his career, Karroonnirun has collaborated with notable colleagues, such as Husnu Alp Alidedeoglu and Prashant Kumar. These partnerships have fostered a collaborative environment, promoting innovative solutions in polymer science and contributing to the success of their research initiatives.

Conclusion

Osit Karroonnirun stands out as a forward-thinking inventor whose contributions to the field of polybutylene terephthalate production represent significant advancements in polymer chemistry. His patents reflect a commitment to innovation, marked by the continuous improvement of production processes that cater to the growing demands of the industry.