Andrew F Parsons

Title: Andrew F Parsons: Innovator in Polymer Chemistry

Introduction

Andrew F Parsons is a notable inventor based in Helsington, GB. He has made significant contributions to the field of polymer chemistry, particularly through his innovative patent related to the polymerization of ethylenically unsaturated monomers. His work has implications for various applications in materials science.

Latest Patents

Andrew F Parsons holds a patent for the polymerization of ethylenically unsaturated monomers. This patent describes a method where ethylenically unsaturated, particularly acrylic, monomers are polymerized using a catalyst system that includes a manganese carbonyl initiator, an organic halogen reactive substrate, and an allylic halide chain termination agent. The manganese carbonyl initiator is preferably a dimanganese compound, specifically dimanganese decacarbonyl (Mn(CO)). The catalysis mechanism involves initiator homolysis and the formation of an organic free radical that acts as a chain initiator for polymerization. The resulting polymers are telechelic and can be further functionalized or used to form block copolymers.

Career Highlights

Andrew F Parsons is associated with Croda International, Inc., where he applies his expertise in polymer chemistry. His innovative approach to polymerization has positioned him as a key figure in the development of new materials.

Collaborations

He has collaborated with notable coworkers, including Richard J Harrison and Bruce C Gilbert, contributing to advancements in their respective fields.

Conclusion

Andrew F Parsons is a distinguished inventor whose work in polymer chemistry has led to significant advancements in the field. His innovative patent demonstrates the potential for new materials and applications in various industries.