Location History:
- Rosignano Solvay, IT (1976)
- Rosignano Solvay, Livorno, IT (1976)
Company Filing History:
2 out of 94 
2 out of 11 Years Active: 1976
Title: Enzo Chiellini: Innovator in Polymer Chemistry
Introduction
Enzo Chiellini is a notable inventor based in Rosignano Solvay, Italy. He has made significant contributions to the field of polymer chemistry, particularly in the preparation of acrylonitrile polymers. With a total of four patents to his name, Chiellini's work has advanced the understanding and application of polymerization processes.
Latest Patents
Chiellini's latest patents include a continuous process for the preparation of acrylonitrile polymers. This innovative method involves polymerizing acrylonitrile monomer or copolymerizing a mixture of acrylonitrile monomer and a further ethylenically unsaturated monomer in an aqueous medium. The process utilizes a catalytic redox system through both primary and secondary polymerization steps. The primary step is conducted in multiple independent reaction zones, while the secondary step occurs in a single reaction zone. This method ensures that the conversion of monomers is efficiently managed, maintaining specific limits to optimize the polymerization process.
Another significant patent focuses on the separation and recovery of products obtained in catalytic processes. This includes the recovery of sulfur dioxide and unreacted monomers from the polymer slurry. The process involves distinct volatilization zones operating under decreasing subatmospheric pressures, allowing for effective scrubbing and recycling of the resulting aqueous solutions back into the polymerization medium.
Career Highlights
Throughout his career, Enzo Chiellini has worked with prominent companies in the field, including Società Italiana Resine S.p.A. and Società Italiana Resine S.i.r. S.p.A. His expertise in polymer chemistry has positioned him as a key figure in the development of innovative polymerization techniques.
Collaborations
Chiellini has collaborated with notable professionals in his field, including Luciano Console and Benedetto Calcagno. These partnerships have contributed to the advancement of research and development in polymer chemistry.
Conclusion
Enzo Chiellini's contributions to polymer chemistry through his innovative patents and collaborations highlight his significant role in the field. His work continues to influence the development of efficient polymerization processes, showcasing the importance of innovation in scientific research.
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