Location History:
- Mauldin, SC (US) (1990)
- Simpsonville, SC (US) (1991 - 2002)
Company Filing History:
Years Active: 1990-2002
Title: David J Lunsford: Innovator in Carpet Coating Technologies
Introduction
David J Lunsford is a notable inventor based in Simpsonville, SC (US), recognized for his contributions to carpet coating technologies. He holds a total of four patents, showcasing his innovative approach to enhancing carpet products.
Latest Patents
Among his latest patents is a crosslinkable carpet-back coating that utilizes hydroxy-functionalized vinyl acetate emulsion polymers. This invention involves an aqueous emulsion polymerization product of ethylene, vinyl acetate, and an ethylenically unsaturated hydroxy-functional monomer. The resulting emulsion copolymer is combined with a crosslinking agent, which includes multifunctional aziridine, isocyanate, and epoxide. Carpets treated with this coating exhibit improved wet strength, achieved through crosslinking reactions that do not produce volatile organic compounds as by-products. Another significant patent focuses on carpet coating compositions that employ an emulsion binder created through the emulsion polymerization of ethylene and a vinyl ester monomer, along with a non-reactive monomer. This innovation leads to carpet products that benefit from enhanced durability and performance.
Career Highlights
David is currently associated with National Starch and Chemical Investment Holding Corporation, where he applies his expertise in polymer chemistry to develop advanced carpet coating solutions. His work has significantly impacted the carpet industry, leading to products that meet modern environmental standards.
Collaborations
Throughout his career, David has collaborated with notable colleagues, including Howard G Katz and Paul R Mudge. These partnerships have fostered a creative environment that encourages innovation and the development of cutting-edge technologies.
Conclusion
David J Lunsford's contributions to carpet coating technologies exemplify his commitment to innovation and sustainability. His patents reflect a deep understanding of polymer chemistry and its applications in improving product performance.