J Michael McKenna

Title: J Michael McKenna: Innovator in Breathable Composite Materials

Introduction

J Michael McKenna is a notable inventor based in Hockessin, Delaware, recognized for his contributions to the field of breathable composite materials. He holds a total of four patents, showcasing his innovative approach to material science and absorbent articles.

Latest Patents

One of McKenna's latest patents is for a breathable composite sheet structure and absorbent articles utilizing the same. This invention involves a composite sheet material made from a thermoplastic film adhered to a fibrous substrate. The thermoplastic film consists of at least 50% by weight of polymer materials, including block copolyether esters, block copolyether amides, and polyurethanes. The substrate is composed of a fibrous web made up of at least 50% by weight of polyolefin polymer synthetic fibers. The composite sheet demonstrates impressive properties, such as a peel strength of at least 0.1 N/cm and a moisture vapor transmission rate of at least 1500 g/m/24 hr. This technology is particularly applicable in the design of disposable diapers, where the composite sheet serves as a non-porous, fluid impermeable, yet moisture vapor permeable backsheet.

Career Highlights

Throughout his career, McKenna has worked with prominent companies, including Procter & Gamble and E.I. du Pont de Nemours and Company. His experience in these organizations has significantly contributed to his expertise in developing innovative materials.

Collaborations

McKenna has collaborated with notable professionals in his field, including Hyun Sung Lim and George Joseph Ostapchenko. These partnerships have likely enhanced his research and development efforts.

Conclusion

J Michael McKenna's work in breathable composite materials has made a significant impact on the industry, particularly in the realm of absorbent articles. His innovative patents reflect a commitment to advancing material technology and improving product performance.