Modified boron nitride powder
Modifying BN powder with polyethylene glycol-functional organics enhances its surface polarity, reducing resin composite viscosity and enabling higher filler content for improved thermal management in electronic components.
WO2026060057A1PCT designated stage Publication Date: 2026-03-19MOMENTIVE PERFORMANCE MATERIALS QUARTZ INC
Patent Information
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2025-09-11
- Publication Date
- 2026-03-19
AI Technical Summary
Technical Problem
Boron nitride (BN) powder increases the viscosity of polymer resin composites, making industrial processing difficult, while reducing its amount compromises thermal management benefits.
Method used
Modify BN powder with polyethylene glycol-functional organics to enhance surface polarity, improving compatibility with polymer resins and reducing viscosity without sacrificing thermal conductivity.
Benefits of technology
The modified BN powder achieves up to a two-order magnitude lower viscosity in resin composites, allowing higher filler content without compromising thermal conductivity and dielectric strength, suitable for electronics, telecommunications, automotive, and aerospace industries.
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Smart Images
Figure US2025045855_19032026_PF_FP_ABST
Abstract
A powder is provided that includes boron nitride particles or agglomerates. Polyethylene glycol-functional compounds are arranged on outer surfaces of the boron nitride particles or agglomerates such that the boron nitride particles or agglomerates have an elevated surface polarity activated by polyethylene glycol-functional compounds.
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Citation Information
Patent Citations
A PEG ball-milled intercalated h-BN modified polyurethane thermally conductive composite material and its preparation method
CN110746563B
Process for manufacturing boron nitride agglomerates
US20170362440A1