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Waterproof and oil-proof process method for treating polyurethane fiber by adopting fluorooctylsulfonamide

A technology of fluorooctane sulfonamide and perfluorooctane sulfonamide, which is applied in the application field of polyurethane fiber treatment, can solve the problems of difficult cleaning, reduced usability, dirty surface, etc., and achieves waterproof and oil-proof performance, good sterilization, The effect of improving usability

Pending Publication Date: 2021-01-12
SUZHOU XIANHUI NEW TEXTILE TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Polyurethane fiber has good elasticity and rebound performance. Products made of polyurethane fiber do not have waterproof and oil-proof properties, which leads to a decrease in the performance of polyurethane fiber products. Especially when polyurethane fiber products are used in automotive interiors, it is easy to cause the surface to become dirty. It is not easy to clean up the problem and reduce the use effect of polyurethane fiber products

Method used

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  • Waterproof and oil-proof process method for treating polyurethane fiber by adopting fluorooctylsulfonamide

Examples

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Embodiment 1

[0024] A process for treating polyurethane fibers with fluorooctyl sulfonamide for waterproofing and oil repellency, said process comprising the steps of:

[0025] (1) Add fluorooctane sulfonamide, select N-ethyl perfluorooctane sulfonamide and FC-9--N-ethyl perfluorooctane sulfonamide for standby, heat and melt at a temperature of 100-200°C , and keep warm for fluorooctane sulfonamide for later use;

[0026] (2) The mixing ratio of fluorooctyl sulfonamide, the ratio of fluorooctyl sulfonamide in the molten state in step (1), select N-ethyl perfluorooctane sulfonamide and FC-9--N-ethyl The proportion of perfluorooctane sulfonamide is 2:1. Mix the obtained fluorooctane sulfonamide to obtain a mixture of fluorooctane sulfonamide. Separately prepare N-ethyl perfluorooctane sulfonamide and add the ratio Mix it with the alkyl hydrophobic group of 5:1 to prepare a hydrophobic intermediate agent, and keep it warm in a molten state with the fluorooctyl sulfonamide mixture for separat...

Embodiment 2

[0041] A process for treating polyurethane fibers with fluorooctyl sulfonamide for waterproofing and oil repellency, said process comprising the steps of:

[0042] (1) Add fluorooctane sulfonamide, select N-ethyl perfluorooctane sulfonamide and FC-9--N-ethyl perfluorooctane sulfonamide for standby, heat and melt at a temperature of 100-200°C , and keep warm for fluorooctane sulfonamide for later use;

[0043](2) The mixing ratio of fluorooctyl sulfonamide, the ratio of fluorooctyl sulfonamide in the molten state in step (1), select N-ethyl perfluorooctane sulfonamide and FC-9--N-ethyl The proportion of perfluorooctane sulfonamide is 2:1. Mix the obtained fluorooctane sulfonamide to obtain a mixture of fluorooctane sulfonamide. Separately prepare N-ethyl perfluorooctane sulfonamide and add the ratio Mix it with the alkyl hydrophobic group of 5:1 to prepare a hydrophobic intermediate agent, and keep it warm in a molten state with the fluorooctyl sulfonamide mixture for separate...

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Abstract

The invention discloses a waterproof and oil-proof process method for treating polyurethane fiber by adopting fluorooctylsulfonamide. The process method comprises the following steps of adding the fluorooctylsulfonamide, mixing and proportioning the fluorooctylsulfonamide, treating the polyurethane fiber, preparing the polyurethane fiber and forming the polyurethane fiber. The process method has the beneficial effects that the process method is suitable for treating the polyurethane fiber, the fluorooctylsulfonamide is added into the polyurethane fiber to only obtain the polyurethane fiber with waterproof and oil-proof performance, and meanwhile, the polyurethane fiber has good sterilization, insect pest prevention, softness, static electricity resistance and corrosion resistance; and a hydrophobic intermediate agent is coated on the surface of the polyurethane fiber, so that the waterproof and oil-proof performance of the surface of the polyurethane fiber can be further realized, theproblem that stains are attached and are difficult to remove during use of a finished product is prevented, and the practicability of the polyurethane fiber finished product is improved.

Description

technical field [0001] The invention relates to a process method, in particular to a process method for treating polyurethane fibers with fluorooctyl sulfonamide for water and oil resistance, and belongs to the technical field of polyurethane fiber treatment and application. Background technique [0002] Polyurethane fiber is the abbreviation of polyurethane fiber, also known as polyurethane elastic fiber. Polyurethane is dissolved in organic solvents such as dimethylformamide, dimethylacetamide or dimethyl sulfoxide. Polyurethane fiber is usually made of disperse dyes. , acid dyes or complex dyes, can be purely spun or blended into bare silk or core-spun yarns, used to make elastic braids or textiles, such as various underwear, ski suits, sportswear, swimsuits, socks, belts Classes and medical fabrics, space suits, etc., to obtain a spinning solution, dry spinning or wet spinning into fibers, and then pass through an aqueous solution containing aliphatic diamine chain exten...

Claims

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Application Information

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IPC IPC(8): D06M13/438D06M101/38
CPCD06M13/438D06M16/00D06M2101/38D06M2200/11D06M2200/12D06M2200/50
Inventor 程贤生
Owner SUZHOU XIANHUI NEW TEXTILE TECH CO LTD
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