Helen Pfukwa

Title: Helen Pfukwa - Innovator in Phenolic Polymer Depolymerisation

Introduction

Helen Pfukwa is a notable inventor based in Stellenbosch, South Africa. She has made significant contributions to the field of polymer science, particularly in the depolymerisation of phenolic polymers. Her innovative approach has the potential to impact various industries by providing a method to break down complex polymers into valuable products.

Latest Patents

Helen Pfukwa holds a patent for a method of depolymerising phenolic polymers. The invention involves reacting phenolic polymers with dimethylsulphoxide (DMSO) and a hydrogen halide, such as HBr. The process specifies that the quantity of hydrogen halide per gram of phenolic polymer should range from 30 mmoles to 70 mmoles, while the quantity of DMSO should be between 0.1 mole and 1 mole. The reaction is conducted at temperatures between 100 to 120° C for a duration of 10 to 14 hours, resulting in products that may include vanillin.

Career Highlights

Helen Pfukwa is affiliated with Stellenbosch University, where she conducts her research and development work. Her academic background and research focus have positioned her as a key figure in the study of phenolic polymers. She has successfully navigated the complexities of polymer chemistry to develop practical applications for her inventions.

Collaborations

Helen has collaborated with notable colleagues such as Ndumiso Sibanda and Harold Pasch. These partnerships have enhanced her research efforts and contributed to the advancement of her innovative projects.

Conclusion

Helen Pfukwa's work in the depolymerisation of phenolic polymers showcases her innovative spirit and dedication to advancing polymer science. Her contributions are paving the way for new applications and potential benefits in various industries.