Flame retardant fabric and apparel

EP4547901B1Active Publication Date: 2026-05-27DALETEC AS
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Patent Information

Application Number
EP2023742468
Authority / Receiving Office
EP · EP
Patent Type
Patents
Current Assignee / Owner
Priority Date
2022-08-17
Filing Date
2023-06-13
Publication Date
2026-05-27
Estimated Expiration
2043-06-13

AI Technical Summary

Technical Problem

Existing flame-retardant fabrics lack a combination of high strength, stretch, abrasion resistance, comfort, softness, and moisture management properties, while also being durable and suitable for industrial and military applications.

Method used

A flame-retardant fabric comprising 35-55% modacrylic fiber, 25-45% cellulosic fiber, 10-25% polyamide fiber, 0.5-5% elastomeric fiber, and 0.5-5% antistatic fiber, with a basis weight of 225-400 g/m², utilizing crosslinked polyolefin-based elastomeric fibers for stretch and antistatic properties.

Benefits of technology

The fabric achieves high strength, stretch, abrasion resistance, comfort, and moisture transport, with excellent FR performance, industrial launderability, and controlled shrinkage, suitable for rugged environments.

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Abstract

The invention relates to a flame retardant fabric comprising 35-55% by weight of modacrylic fiber, 25-45% by weight of cellulosic fiber, 10-25% by weight of polyamide fiber, 0.5-5% by weight of elastomeric fiber, and 0.5-5% by weight of antistatic fiber, wherein the fabric has a basis weight of from 225 to 400 grams per square meter. The invention also relates to a flame retardant apparel made from the flame retardant fabric according to the invention. The invention further relates to a method of manufacturing a flame retardant fabric comprising weaving or knitting the fabric according to the invention.
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Citation Information

Patent Citations

  • Lightweight, arc-rated, dyeable fabrics

    US20160060809A1

  • Flame resistant fabrics and garments made from same

    WO2008027454A1

  • Flame resistant fiber blends and flame resistant yarns, fabrics, and garments formed thereof

    WO2014025601A1

  • Modacrylic, lyocell, and nylon blended flame-retardant fabric

    EP3480349A1

  • Flame Resistant Fabric With Anisotropic Properties

    US20120090080A1