Production process of waterproof fabric

By subjecting the fabric to high-voltage electrical treatment and compounding with a fluorine-free waterproofing agent, combined with specific fiber blending and yarn interweaving, the problem of fluorine-free waterproofing agents easily falling off in textiles has been solved, achieving the production of efficient and multifunctional waterproof fabrics.

CN118273093BActive Publication Date: 2026-01-16SINCETECH FUJIAN TECH CO LTD
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Patent Information

Application Number
CN202211737086.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-12-31
Publication Date
2026-01-16
Estimated Expiration
2042-12-31

AI Technical Summary

Technical Problem

Existing fluorine-free waterproofing agents have poor bonding with fibers, making them prone to detachment during textile washing and resulting in poor water repellency after washing. This makes them particularly difficult to meet the dynamic waterproofing requirements of footwear materials.

Method used

By subjecting the fabric substrate to continuous and brief high-voltage electrical treatment, and combining it with a compounding process of fluorine-free waterproof finishing agent and UV-resistant additives, a microporous structure is formed by using specific fiber blends and yarn interweaving to improve the waterproof effect.

Benefits of technology

The fabric possesses excellent waterproof and UV-resistant properties, maintains good waterproof performance under dynamic conditions, and also has flame retardant, antibacterial, and skin-friendly properties.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application relates to the field of fabric functional finishing, and particularly relates to a waterproof fabric production process which comprises the following steps: step one: selecting a fabric to be waterproofed as a fabric base material; step two: performing discharge treatment on the fabric base material, the fabric base material is treated by continuously passing through a discharge roller, the treatment time is 3-5 seconds, and the voltage of the discharge roller is 5-15 kV; step three: preparing a waterproof finishing agent; and step four: spraying the prepared waterproof finishing agent onto the fabric base material obtained in step two, and performing drying and baking on the fabric, through continuous and short high-voltage discharge treatment on the fabric and in combination with a waterproof process, a fabric with high efficiency and good waterproof effect is obtained; the fabric obtained by compounding an ultraviolet resistance auxiliary agent with a waterproof auxiliary agent has both waterproof performance and ultraviolet resistance performance.
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Citation Information

Patent Citations

  • Production method of fluoride-free waterproof woven fabric

    CN104878617A

  • Waterproof and moisture permeable fabric, and manufacturing method therefor

    CN107107546A