Bruce D Lawrey

Title: **Innovations by Inventor Bruce D. Lawrey in Polyurethane Technology**

Introduction

Bruce D. Lawrey, an accomplished inventor based in Seattle, WA, has made significant contributions to the field of polymer technology. With two patents to his name, he focuses primarily on the development of pulverulent thermoplastic polymer blends which exhibit a range of applications in various industries.

Latest Patents

One of Bruce's notable patents involves pulverulent thermoplastic polymer blends that are comminuted to a particle size of less than 300 μm. This innovative composition includes a combination of first and second thermoplastic polyurethanes, with a weight ratio of approximately 90:10 to 30:70. The first thermoplastic polyurethane is derived from a reaction product of an aliphatic diisocyanate with a molecular weight of 140 g/mol to 170 g/mol, along with an aliphatic diol in the molecular weight range of 62 g/mol to 120 g/mol. The second thermoplastic polyurethane is formed from a reaction mixture that includes a polyisocyanate and an isocyanate-reactive component ranging from 500 g/mol to 10,000 g/mol, in addition to a chain extender with a molecular weight between 60 g/mol and 450 g/mol.

Career Highlights

Currently, Bruce D. Lawrey is affiliated with Stratasys, Inc., where he leverages his expertise in polymer technology to drive innovation and development. His role at this leading 3D printing company enables him to push the boundaries of material science, particularly in the realm of thermoplastic applications.

Collaborations

Throughout his career, Bruce has collaborated with talented coworkers including Chen Xu and Leslie J. Vescio. These collaborations have allowed for a dynamic exchange of ideas and research efforts, fostering a creative environment that is essential for groundbreaking inventions.

Conclusion

Bruce D. Lawrey's contributions to the field of thermoplastic polymers exemplify the impact of innovative thinking in technology. With a dedicated career and a focus on developing new materials, Bruce continues to influence the industry and inspire future generations of inventors. His patents reflect a commitment to advancing polymer blends that can enhance various applications, ensuring a lasting legacy in the world of material science.