A suede composite fabric and a preparation method thereof

By using a gradient sandwich structure and one-pot in-situ polymerization technology to form a multifunctional nanoparticle modified layer in suede fabric, the problem of balancing hand feel and functional durability in the process of improving the flame retardancy and abrasion resistance of suede fabric is solved, achieving efficient and environmentally friendly improvement of the flame retardancy and abrasion resistance of suede fabric.

CN122143458BActive Publication Date: 2026-07-24KEYI FUJIAN MICROFIBER CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
KEYI FUJIAN MICROFIBER CO LTD
Filing Date
2026-05-07
Publication Date
2026-07-24

AI Technical Summary

Technical Problem

In the process of improving the flame retardancy and abrasion resistance of existing suede fabrics, it is difficult to balance the feel and functional durability. Traditional processes are complex and have poor environmental performance, and the bonding between functional layers is not strong, which leads to the fabric being easy to fall off and its performance deteriorating.

Method used

The suede composite fabric with a gradient sandwich structure forms a multifunctional nanoparticle modified layer on the fiber surface through in-situ polymerization in a one-pot process. Combined with a water-based PU adhesive layer and a high-strength base fabric layer, the nanoparticles form chemical bonds with the fibers, simplifying the process and improving the bonding strength.

Benefits of technology

This method achieves a suede fabric that retains its soft feel while possessing excellent flame retardant and abrasion-resistant properties, significantly improved functional durability and interlayer bonding strength, and superior environmental friendliness and user experience compared to traditional methods.

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Abstract

The application discloses a suede composite fabric and a preparation method thereof, and belongs to the technical field of fabrics. The fabric has a gradient sandwich structure and comprises a multifunctional nano-particle modified suede layer, a nano-particle enhanced water-based PU adhesive layer and a high-strength base cloth layer. The multifunctional nano-particle is prepared by using hexachlorocyclotriphosphazene as a core skeleton and grafting organosilicon prepolymer, long fluorocarbon chain silane and silane coupling agent; the modified suede layer endows the fabric with multifunctionality, the adhesive layer strengthens the interface bonding, and the base cloth layer improves the mechanical strength. The application is prepared by using a one-pot in-situ grafting process, the fabric has excellent flame-retardant, hydrophobic and wear-resistant properties, has strong washing resistance, meanwhile, retains the delicate touch and the simulated leather texture of the suede, and the process is environmentally friendly and simple, and is suitable for application in multiple scenes.
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