Andrew J Scheie

Title: Innovations by Andrew J Scheie

Introduction

Andrew J Scheie is a notable inventor based in Cincinnati, OH (US). He has made significant contributions to the field of polymer modification, holding a total of 4 patents. His work focuses on enhancing the properties of polyethylene and propylene polymers, which are crucial for various industrial applications.

Latest Patents

One of his latest patents is titled "Modification of polyethylene with ozone." This method involves contacting polyethylene powder with ozone, resulting in modified polyethylene that exhibits increased melt elasticity and complex viscosity at low shear rates. These rheological benefits are achieved without a significant reduction in the weight average molecular weight of the polyethylene. The modified polyethylene can be utilized in applications requiring higher melt strength, such as film or blow molding.

Another significant patent is "Solid state modification of propylene polymers." This process aims to improve the melt characteristics of propylene-ethylene random block and impact copolymers. It involves contacting a powder of the copolymer with a low level of free radical initiator, followed by heating at a temperature below the melting point of the copolymer and above the free radical initiation temperature.

Career Highlights

Andrew J Scheie is currently employed at Equistar Chemicals, LP, where he continues to innovate in the field of polymer chemistry. His work has had a substantial impact on the industry, particularly in enhancing the performance of various polymer materials.

Collaborations

Throughout his career, Andrew has collaborated with notable colleagues, including Richard T E Sylvester and Mark K Reinking. These collaborations have contributed to the advancement of his research and the successful development of his patented technologies.

Conclusion

Andrew J Scheie's contributions to polymer modification through his innovative patents have significantly advanced the field. His work continues to influence the industry, showcasing the importance of research and development in creating high-performance materials.