Otto Loeffler

Title: Otto Loeffler: Innovator in PVC Stabilization

Introduction

Otto Loeffler, an accomplished inventor based in Colts Neck, NJ, has made significant contributions to the field of polymer chemistry, particularly in the stabilization of PVC (polyvinyl chloride). With a total of four patents to his name, Loeffler's work has focused on enhancing the durability and performance of PVC materials, making them more viable for various applications.

Latest Patents

Two of Loeffler's most recent patents have revolutionized the industry with innovative methods for creating effective PVC stabilizers. The first patent describes a novel **method for making overbased PVC stabilizers**, which involves a systematic reaction of zinc oxide with fatty acids, including stearic acid, followed by the addition of aromatic acids. This process also incorporates magnesium oxide and calcium oxide under carefully controlled heating to ensure fluidity while limiting unwanted side reactions. Furthermore, this process includes a conditioning step to remove volatiles from the reaction product.

The second patent is focused on **liquid PVC stabilizers and lubricants**, detailing a stabilizer composition that effectively protects PVC resin from heat deterioration. This composition combines a mix of barium and zinc salts from both aliphatic and aromatic carboxylates, along with organic triphosphites and acid phosphites derived from C6-C12 alkyl or phenyl groups. The resulting PVC films that incorporate this stabilizer demonstrate improved wettability and adherence to water-based inks, highlighting the practical applications of his innovation.

Career Highlights

Throughout his career, Otto Loeffler has worked with prominent companies, including Witco Corporation and Argus Chemical Corporation. These roles provided him with the platform to develop and refine his innovative ideas, significantly advancing the field of polymer stabilization.

Collaborations

In his journey as an inventor, Loeffler collaborated with notable colleagues, including Michael A. Fisch and Lawrence R. Brecker. These partnerships have likely contributed to the success of his inventions and the further development of effective PVC stabilizers.

Conclusion

Otto Loeffler's work in the realm of PVC stabilization has not only led to multiple patents but also to innovations that improve the functionality and application of PVC materials. His contributions have set a strong foundation for future advancements in polymer chemistry, ensuring that PVC remains a robust and versatile material in various industrial applications.