Manufacturing process of fabric with high water pressure resistance

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By corona treatment and polyurethane liquid impregnation of nylon fabric, combined with the coating of ultraviolet absorbers and anti-hydrolysis agents, the problem of performance degradation of water-pressure resistant fabrics during long-term use was solved, and the preparation of highly water-pressure resistant and stable fabrics was achieved.

CN120844356APending Publication Date: 2025-10-28FORMOSA TAFFETA (ZHONG SHAN) CO LTD

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Patent Information

Application Number: CN202511215340.0
Authority / Receiving Office: CN · China
Patent Type: Applications(China)
Current Assignee / Owner
Filing Date: 2025-08-28
Publication Date: 2025-10-28

Application Information

Patent Timeline

28 Aug 2025

Application

CN202511215340.0

28 Oct 2025

Publication

CN120844356A

IPC: D06M10/02; D06M10/10; D06M15/564; D06M15/333; D06M13/432; D06M101/34

CPC: D06M10/025; D06M10/10; D06M15/564; D06M15/333; D06M13/432; D06M2101/34; D06M2200/25

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Application Domain

Light resistant fibres Ultrasonic/sonic fibre treatment

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AI Technical Summary

Technical Problem

Existing water-resistant fabrics are prone to performance degradation due to fiber wear or deformation after long-term use, and existing hydrophobic treatment methods have limited effectiveness.

Method used

After corona treatment of nylon fabric, it is impregnated with polyurethane liquid and coated with polyurethane mixed slurry. Combined with ultraviolet absorbers and anti-hydrolysis agents, the fabric’s water pressure resistance and stability are improved through multi-step treatment.

Benefits of technology

It significantly improves the water pressure resistance and service life of the fabric, avoids hardening and delamination problems caused by the infiltration of polyurethane mixed slurry, and extends the service life of the fabric.

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Abstract

The invention relates to a manufacturing process of a fabric with high water pressure resistance, and belongs to the technical field of fabrics. The invention provides a high-water-pressure-resistant fabric manufacturing process which specifically comprises the following steps: X1, after a nylon fabric coiled material is unwound and subjected to corona treatment, the nylon fabric coiled material is padded in a polyurethane solution and pre-dried, and treated base cloth is obtained; x2, coating the surface of the treated base cloth with polyurethane mixed slurry, soaking the base cloth in water for solidification, washing the base cloth with water to remove chemical residues on the surface, and drying the base cloth to obtain a pre-coated fabric; and X3, immersing the pre-coated fabric into the working solution, padding, pre-drying, drying at a relatively high temperature, cooling and rolling to obtain the fabric. The prepared fabric has high water pressure resistance.

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