Joints and composite materials using polyetheretherketone resins
A lattice-matched interface between PEEK resin and metal oxide addresses bonding and composite challenges, enhancing adhesion strength and stability in PEEK resin-based materials.
JP7880796B2Active Publication Date: 2026-06-26HITACHI LTD
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Patents
- Current Assignee / Owner
- HITACHI LTD
- Filing Date
- 2022-11-04
- Publication Date
- 2026-06-26
AI Technical Summary
Technical Problem
PEEK resin faces challenges in bonding or composite formation with other materials due to its high thermal stability and low reactivity, leading to delamination issues under external forces.
Method used
A bonded body and composite material are formed with a lattice-matched interface between PEEK resin and metal oxide, where the spacing difference between benzene rings in PEEK resin and metal atoms in the crystal plane is 5% or less, and an atomic density of 17 atoms/nm², enhancing adhesion strength and reducing interfacial fracture.
Benefits of technology
The solution provides high adhesion strength and stability in the bonded body and composite material, minimizing interfacial failure and improving yield strength.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure 0007880796000007 
Figure 0007880796000008 
Figure 0007880796000009
Abstract
To provide a joined body and a composite material of a PEEK resin and a metal oxide which have high adhesive strength between the PEEK resin and the metal oxide, and hardly cause interfacial fracture.SOLUTION: A joined body is a joined body where a polyether ether ketone resin and a metal oxide are joined to each other, in which a relative difference between an interval between benzene rings constituting a molecular chain of the polyether ether ketone resin and an interval between metal atoms constituting a crystal structure of the metal oxide is 5% or less, and atomic density on the crystal surface where the polyether ether ketone resin of the metal oxide is joined is 17 atom / nm2 or more. A composite material is a composite material containing a metal oxide containing a polyether ether ketone resin as a base material, in which a relative difference between an interval between benzene rings constituting a molecular chain of the polyether ether ketone resin and an interval between metal atoms constituting a crystal structure of the metal oxide is 5% or less.SELECTED DRAWING: Figure 2
Need to check novelty before this filing date? Find Prior Art