A hydrophobic and corrosion-resistant composite material, its preparation method and application

By combining polysilazane-modified fluorinated graphene with polyphenylene sulfide resin, the hydrophilicity and pore defects of PPS anti-corrosion composite materials are solved, achieving a synergistic improvement in superhydrophobicity, long-lasting anti-corrosion and mechanical properties, which is suitable for petrochemical, marine engineering and other fields.

CN122302559APending Publication Date: 2026-06-30GUILIN UNIV OF AEROSPACE TECH
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
GUILIN UNIV OF AEROSPACE TECH
Filing Date
2026-04-30
Publication Date
2026-06-30

AI Technical Summary

Technical Problem

Existing PPS anti-corrosion composite materials have hydrophilicity and porosity defects, poor filler dispersion and interfacial compatibility, making it difficult to achieve simultaneous optimization of superhydrophobicity, long-term anti-corrosion and mechanical properties, and the process stability is limited.

Method used

A polysilazane-modified fluorinated graphene composite filler is combined with polyphenylene sulfide resin. The pre-activation treatment improves the dispersibility and interfacial bonding of fluorinated graphene, forming a gradient transition structure, constructing a multi-level physicochemical barrier, and introducing dynamic self-healing function.

Benefits of technology

It achieves stable superhydrophobic properties, strong toughness and high adhesion, significantly improves long-term anti-corrosion performance, and the material exhibits excellent protective effect in harsh environments. The process is simple and low-cost, making it suitable for industrial applications.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN122302559A_ABST
    Figure CN122302559A_ABST
Patent Text Reader

Abstract

This invention provides a hydrophobic and anti-corrosion composite material, its preparation method, and its application, relating to the field of coating materials technology. The hydrophobic and anti-corrosion composite material, by weight, comprises or is prepared from raw materials comprising the following components: polyphenylene sulfide resin: 68-90 parts; polysilazane-modified fluorinated graphene composite filler: 10-30 parts; compatibilizer: 2-4 parts; antioxidant: 0.1-0.5 parts; lubricant: 0.5-1.5 parts; optionally, corrosion inhibitor: 0.5-5 parts; wherein the raw materials for the polysilazane-modified fluorinated graphene composite filler include fluorinated graphene and polysilazane, with a weight ratio of fluorinated graphene to polysilazane of 1:(1-1.8). In the hydrophobic and anti-corrosion composite material provided by this invention, polysilazane chemically bonds with the PPS matrix and compatibilizer, and the polysilazane coating layer effectively inhibits the aggregation of fluorinated graphene sheets, achieving a synergistic unity of strength, toughness, and adhesion.
Need to check novelty before this filing date? Find Prior Art