François Simal

Title: François Simal: Innovator in Polymer Chemistry

Introduction

François Simal is a notable inventor based in Forest, Belgium. He has made significant contributions to the field of polymer chemistry, holding a total of 4 patents. His work focuses on improving the properties and production processes of various polymer compositions.

Latest Patents

Among his latest patents is a process to produce polyvinyl-ester compositions with low residual monomer. This innovative method involves a sequential polymerization process that reduces the amount of residual monomer in aqueous polymerization emulsions. The first step includes adding an emulsion of vinyl ester of alkyl of C1 to C18 carboxylic acids to water containing a radical initiator. The second step involves adding an emulsion of alkyl acrylate and/or methacrylate. Finally, the third step consists of adding pure liquid acrylate or methacrylate with an alkyl chain of C to C to the resulting polymeric emulsion. Another significant patent is related to pressure-sensitive adhesive copolymer compositions. This invention comprises vinyl ester of 2-ethyl hexanoic acid (VEHA) and focuses on adhesive compositions that provide high cohesion and adhesion values, particularly with a Peel on Teflon of at least 2 N/inch.

Career Highlights

François Simal has worked with prominent companies in the industry, including Hexion Inc. and Cytec Surface Specialties. His experience in these organizations has allowed him to develop and refine his innovative approaches to polymer chemistry.

Collaborations

Throughout his career, François has collaborated with notable professionals such as Harrell Tweedy and Steven Van Es. These collaborations have contributed to the advancement of his research and the successful development of his patented technologies.

Conclusion

François Simal is a distinguished inventor whose work in polymer chemistry has led to valuable innovations. His patents reflect a commitment to enhancing the performance and production of polymer compositions. His contributions continue to influence the field and inspire future advancements.