Sehyun Kim, based in Murrysville, Pennsylvania, is a prolific inventor with a remarkable portfolio of 31 patents. His work predominantly revolves around the development of advanced thermoplastic elastomer compounds that exhibit superior properties for various applications.

Latest Patents

Kim’s latest innovations include two significant patents. The first patent focuses on thermoplastic elastomer compounds that demonstrate superior compression set properties. This blend comprises polyisobutylene-based thermoplastic vulcanizate, styrene-ethylene-ethylene-propylene-styrene, low molecular weight liquid polybutene, polyolefin, polyphenylene ether, and, optionally, filler. This formulation boasts excellent processability, reduced compression set, and enhanced barrier properties against oxygen when compared to blends lacking the styrene-ethylene-ethylene-propylene-styrene and polyphenylene ether components. Remarkably, this blend shows a superior oxygen transmission rate compared to conventional styrenic block copolymer thermoplastic elastomers.

The second patent details the development of solvent bondable thermoplastic elastomers. This innovative compound is halogen-free and plasticizer-free, comprising 10-80 weight percent of a hydrogenated styrene butadiene copolymer with a styrene content of less than 20 weight percent and 20-90 weight percent of a polyolefin, complemented by less than about 3 weight percent of antioxidants. Notably, this compound is capable of being solvent bonded or welded to other thermoplastic materials using cyclohexanone, with the potential to enhance the strength of medical tubing connections in various equipment.

Career Highlights

Throughout his career, Sehyun Kim has made significant contributions while working with notable organizations, including Sunoco, Inc. and Fina Technology, Inc. His expertise in polymer science has led to impactful advancements in elastomer technology, enhancing product performance in diverse applications.

Collaborations

In his journey, Kim has collaborated with distinguished colleagues, including Edwar Shoukri Shamshoum and Rubén A Migone. These collaborations have fostered innovation and further expanded the potential impact of his research and inventions in the field of thermoplastic materials.

Conclusion

Sehyun Kim's extensive experience and innovative contributions to thermoplastic elastomer technology has positioned him as a leading figure in the field. With 31 patents to his name, his work continues to influence advancements in material science, showcasing the importance of continuous innovation and collaboration in the development of new technologies.

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