Allomelanin-inspired nanoadditives for the radiation protection of polyurethane
Synthetic melanin-inspired nanoparticles enhance the radiation resistance and mechanical properties of polymeric materials by forming nanocomposites with covalently-linked allomelanin and eumelanin precursors, addressing the limitations of existing additives like polydopamine nanomaterials.
WO2025171328A1 Publication Date: 2025-08-14NORTHWESTERN UNIV
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Patent Information
- Application Number
- PCT/US2025/015109
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2024-02-09
- Filing Date
- 2025-02-07
- Publication Date
- 2025-08-14
AI Technical Summary
Technical Problem
Existing radiation protectant additives for polymeric materials, such as polydopamine nanomaterials, are limited by moderate radical scavenging ability and require organic solvents for dispersion, necessitating a need for more effective radiation-resistant additives.
Method used
Development of synthetic melanin-inspired nanoparticles comprising covalently-linked artificial allomelanin and eumelanin precursors, which are incorporated into polymer nanocomposites to enhance radiation resistance and mechanical properties.
Benefits of technology
The synthetic melanin-inspired nanoparticles improve the radiation resistance and mechanical properties of polymeric materials, effectively scavenging free radicals and maintaining structural integrity under ionizing radiation exposure.
✦ Generated by Eureka AI based on patent content.
Abstract
Aspects of the invention include a nanoadditive comprising a synthetic melanin-inspired nanoparticle, wherein: the synthetic melanin-inspired nanoparticle comprises a plurality of covalently-linked artificial melanin precursors, and each artificial melanin precursor independently comprises an artificial allomelanin precursor, an artificial eumelanin precursor, or a structural isomer thereof. Aspects of the invention include methods of generating polymer nanocomposites and methods of enhancing a mechanical property of a polymeric material.
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