Alkynyl-containing active molecules, methods of making and using the same
By introducing alkynyl active molecules into PEI to form a cross-linked network, the problems of insufficient heat resistance and alkali resistance of PEI materials are solved, and the overall performance of the material is improved, making it suitable for high-end applications.
CN122167335APending Publication Date: 2026-06-09DALIAN UNIV OF TECH
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- DALIAN UNIV OF TECH
- Filing Date
- 2026-01-21
- Publication Date
- 2026-06-09
AI Technical Summary
Technical Problem
Existing polyetherimide (PEI) materials have insufficient heat resistance and poor solvent resistance, making it difficult to meet the needs of high-end applications, especially in terms of insufficient stability in alkaline environments.
Method used
By introducing alkynyl-containing active molecules into PEI and utilizing the cross-linking reaction of alkynyl groups to form a stable cross-linking network, the glass transition temperature and alkali resistance of the material are improved, while the dielectric constant is reduced.
Benefits of technology
It significantly improves the heat resistance and alkali resistance of PEI, enhances its processing performance, reduces its dielectric constant, and makes it suitable for a wider range of high-end applications.
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Figure CN122167335A_ABST
Abstract
The application discloses an alkyne-containing active molecule, a preparation method and application thereof, and relates to the field of material synthesis. Through accurate molecular structure design, an alkyne-containing active molecule with heat-crosslinking characteristics is synthesized, and a composite system based on the active molecule and PEI is constructed, aiming at simultaneously achieving the dual targets of reducing the dielectric constant of the material and improving the heat resistance of the material, and optimizing the alkali resistance of the material. Meanwhile, the active molecule has the advantages of simple preparation method, high yield and easy popularization and application in industry.
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