John A Petroski

Title: Innovations of John A. Petroski

Introduction

John A. Petroski is a notable inventor based in Ravenna, OH (US). He has made significant contributions to the field of materials science, particularly in the development of advanced polyolefin films and sound-absorbing composites. With a total of 2 patents, his work showcases innovative solutions to common challenges in various applications.

Latest Patents

One of Petroski's latest patents focuses on modified polyolefin films. This invention discloses techniques and related material blends that improve adhesion between a polyolefin film and a pressure-sensitive adhesive. Additionally, it significantly decreases the coefficient of thermal expansion of the film by modifying its chemical properties. The invention incorporates specific amounts of modifying polymers and/or copolymers, such as ethylene vinyl acetate, into the polyolefin film, which can be either polyethylene or polypropylene.

Another significant patent by Petroski involves sound-absorbing composites and shield devices. This invention describes a sound-absorbing shield device designed for use in vehicle doors. It comprises a sheet of sound-absorbing material and a thin sheet of polymer film. The polymer film is attached to the sound-absorbing material, featuring a series of apertures that allow acoustic energy to pass through while providing a barrier against moisture and environmental contamination.

Career Highlights

John A. Petroski is associated with The Xlo Group of Companies, Inc., where he continues to innovate and develop new materials. His work has been instrumental in advancing the capabilities of sound-absorbing materials and polyolefin films, contributing to various industries.

Collaborations

Throughout his career, Petroski has collaborated with notable colleagues, including Robert A. Isaksen and Wallace R. Jones. These collaborations have further enriched his work and expanded the impact of his inventions.

Conclusion

John A. Petroski's contributions to the field of materials science through his innovative patents demonstrate his commitment to advancing technology. His work in modified polyolefin films and sound-absorbing composites highlights the importance of innovation in addressing real-world challenges.