Catalytic conversion of HDPE to branched waxes using hydrogenolysis
Innovative technology for converting HDPE into valuable branched waxes through catalytic hydrogenolysis. This process offers optimized yield and isomerization for applications in lubricants, detergents, and cosmetics.
Overview
The University of Delaware presents a unique technology for transforming high-density polyethylene (HDPE) into valuable branched waxes through a proprietary catalytic hydrogenolysis process. This innovative approach not only reduces molecular weight but also isomerizes the structure, yielding high-quality waxes suitable for use in lubricants, detergents, and cosmetics. The process is economically optimized with support modification and hydrogen storage, minimizing methane and hydrogen pressure.
Technical specifications
Key features include:
- Utilization of catalytic hydrogenolysis, hydrocracking, and cracking technologies, with hydrogenolysis being the most effective for wax production.
- Advanced slurry melt reactors to enhance heat and mass transfer, contributing to scalability and efficiency.
- Additive-agnostic catalysts and processes for versatile application.
- Systematic stripping methods for removing additives during polymer processing.
- Multicomponent catalysts and optimized reactors planned for future development to maximize yield and isomerization.
Technology readiness level
This technology is currently at TRL 4, indicating that it has been validated in laboratory settings. Future developments will focus on defining market-specific wax characteristics and optimizing the catalytic and reactor systems for commercial scalability.
About University of Delaware
The University of Delaware is a comprehensive public research university and the state’s flagship, recognized for cross-disciplinary collaboration with industry. A research and technology park adjacent to campus co-locates corporate R&D with university labs and startups, with shared facilities and pilot-scale capabilities; integration with a regional health system enables clinical translation. Its Mid-Atlantic location offers quick access to talent, transportation, and nearby industrial clusters, while a statewide extension network supports testing and adoption. Research is supported by competitive federal funding from agencies such as NSF, NIH, DOE, USDA, and NASA. A dedicated technology transfer office streamlines IP, licensing, and startup formation, and corporate engagement provides a single point of entry.
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