S Douglas Stain, Jr

Title: S. Douglas Stain, Jr.: Innovating Olefin Polymer Technologies

Introduction

S. Douglas Stain, Jr. is an accomplished inventor based in Baton Rouge, Louisiana, recognized for his contributions to the field of olefin polymer technologies. With two patents to his name, Stain is a prominent figure at the Dow Chemical Company, where he focuses on improving the handling properties and performance of olefin polymer compositions.

Latest Patents

Stain's innovative work includes two notable patents. The first patent focuses on "Olefin polymer chlorination products having improved handling properties." This breakthrough involves reacting high bulk density linear olefin polymer powders with gaseous chlorine in a fluidized-bed state, resulting in products characterized by excellent flowability, bulk density, and surface area. The specific flowability measured by angle of repose ranges from about 24° to 28°, and the bulk density is carefully optimized between 25 to 35 pounds per cubic foot.

The second patent involves "Chlorinated olefin polymer compositions stabilized with antimony trioxide." This invention presents compositions with high tensile impact strength and enhanced resistance to ignition and burning. It details a process where a solid linear olefin polymer, with specific bulk densities and particle sizes, is reacted with chlorine in a controlled environment. The addition of antimony trioxide plays a critical role in the stability and performance of these chlorinated polymers.

Career Highlights

Stain has established a remarkable career at the Dow Chemical Company, contributing significantly to advancements in polymer technology. His innovative approaches have improved the safety, usability, and performance of olefin polymers, making a lasting impact in the industry.

Collaborations

Throughout his career, S. Douglas Stain, Jr. has collaborated with fellow experts, including Gordon Y Liu and Loyd D Hutchinson. These collaborations have fostered a rich exchange of ideas, further enhancing the innovative solutions developed under their combined expertise.

Conclusion

In summary, S. Douglas Stain, Jr. stands out as a notable inventor with impressive contributions to olefin polymer technology. His patents underscore his commitment to innovation and improvement within the industry, reflecting the essence of progress in chemical engineering. His work at the Dow Chemical Company continues to influence the field and inspire future developments in polymer research and applications.