Location History:
- Pittsfield, MA (US) (1976 - 1995)
- Parkersburg, WV (US) (1995 - 1996)
Company Filing History:
11 out of 51,886 
2 out of 992 Years Active: 1976-1996
Title: Robert E. Koch: Innovating Thermoplastic Polymerization
Introduction
Robert E. Koch, an esteemed inventor based in Pittsfield, MA, has made significant contributions to the field of thermoplastic polymerization. With an impressive portfolio of 13 patents, his work primarily focuses on advancements in grafting, phase-inversion, and cross-linking techniques for the production of high-quality thermoplastics.
Latest Patents
One of Robert's notable patents is titled "Grafting, Phase-Inversion and Cross-Linking Controlled Multi-Stage Bulk." This innovative method enables continuous mass polymerization of acrylonitrile-butadiene-styrene (ABS) type thermoplastics. The process begins with charging a liquid feed comprising a vinylidene aromatic monomer, an unsaturated vinyl nitrile monomer, and a synthetic butadiene polymer into a grafting reactor. This initial step allows for the prereaction of the liquid mass to create a grafted rubber continuous phase polymeric product.
Subsequently, the product from the grafting reactor enters a phase inversion reactor, where a free rigid copolymer in monomer serves as the only continuous phase. Here, dispersed particles of the grafted rubber are formed, combined with occluded rigid copolymer and monomer from the grafting reactor. The process continues as the second polymerization product is processed in a finishing reactor, resulting in a third polymerization product that can be devolatilized to create the final thermoplastic composition. This innovative process offers unique flexibility and control over rubber grafting and particle morphology, enabling the production of both high gloss and low gloss resin products.
Career Highlights
Throughout his career, Robert E. Koch has been associated with prominent companies, including General Electric Company and the Electric Power Research Institute. His experience in these organizations has helped him develop cutting-edge technologies in polymerization processes.
Collaborations
Robert has collaborated with notable professionals in his field, including Daniel D. Bergh and James H. Ceder. Their combined expertise in polymer sciences has contributed to the successful development and implementation of innovative polymerization techniques.
Conclusion
In summary, Robert E. Koch stands out as a prolific inventor whose patents have significantly advanced the field of thermoplastic polymerization. His innovative approaches and collaborative work exemplify the spirit of invention that contributes to the ongoing evolution of materials science.
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