Preparation method of copper-zinc-iron ternary alloy chemical plating layer on surface of aramid fiber

A ternary alloy and chemical plating technology, which is applied in liquid chemical plating, metal material coating technology, coating, etc., can solve the problem that it is difficult to achieve the desired effect on the surface of aramid fibers, it is difficult to guarantee the bonding force of the surface of aramid fibers, and the consumption of ethanol Large quantity and other problems, to achieve the effect of satisfying electrical conductivity, atmospheric corrosion resistance, and simple method

Inactive Publication Date: 2014-10-08
SHANDONG JIANZHU UNIV
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  • Abstract
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  • Application Information

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Problems solved by technology

Some aramid modification methods currently reported include coarsening treatment with aqueous solution of sodium hydroxide and absolute ethanol (CN201310685423.7, CN 201210425097.1) and powder modification treatment such as nano-titanium oxide and nano-zirconia (CN200710099472.7) etc., the former consumes a lot of ethanol, a large amount of organic matter volatilizes, is flammable and e

Method used

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  • Preparation method of copper-zinc-iron ternary alloy chemical plating layer on surface of aramid fiber
  • Preparation method of copper-zinc-iron ternary alloy chemical plating layer on surface of aramid fiber
  • Preparation method of copper-zinc-iron ternary alloy chemical plating layer on surface of aramid fiber

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preparation example Construction

[0032] In order to prepare metallized aramid fibers with conductive, electromagnetic shielding functions and stable properties, the invention provides a method for preparing an electroless copper-zinc-iron-iron ternary alloy coating on the surface of aramid fibers, comprising the following steps:

[0033] (1) Aramid fiber surface modification: including two continuous processes of aramid fiber surface modification by ultraviolet light irradiation and surface nano-film modification;

[0034] (2) Low-concentration colloidal palladium treatment: including low-concentration colloidal palladium activation solution activation, water washing, degumming, and water washing processes;

[0035] (3) Electroless copper-zinc-iron ternary alloy plating process: the aramid fiber treated with surface modification and low-concentration colloidal palladium is immersed in the copper-zinc-iron ternary alloy chemical plating solution, and copper, zinc, and iron ions are treated with B Aldehydic aci...

Embodiment 1

[0044] The surface of the aramid fiber is irradiated continuously with ultraviolet light with a wavelength of 200nm for 60s at a distance of 50mm from the surface of the aramid fiber, and the surface of the aramid fiber is irradiated and modified; then, the surface of the aramid fiber is modified with a nano-sized film, and an environmentally friendly water-based nano-sized treatment solution is used. Containing 0.2% by mass fraction of N-(β-aminoethyl)-γ-aminopropyltrimethoxysilane, 0.03% bis-[γ-(triethoxysilyl)propyl]tetrasulfide, 0.005% The aqueous solution of sodium dodecyl sulfonate was left to stand at room temperature for 72 hours to prepare a hydrosol, and the aramid fiber was immersed in the hydrosol for 3.0 minutes and dried at 60°C for 15 minutes; then soaked in a low-concentration colloidal palladium activation solution at room temperature In 5 minutes, the activation solution was composed of 0.03g / L PdCl 2 , 1g / L VC, 5g / L SnCl 2 , 5mL / L hydrochloric acid, the bal...

Embodiment 2

[0047] The surface of the aramid fiber is irradiated continuously with ultraviolet light with a wavelength of 100nm for 90s at a distance of 100mm from the surface of the aramid fiber, and the surface of the aramid fiber is irradiated and modified; then the surface of the aramid fiber is modified with a nano-sized film, and an environmentally friendly water-based nano-sized treatment solution is used. Containing 0.1% N-(β-aminoethyl)-γ-aminopropyltrimethoxysilane, 0.05% bis-[γ-(triethoxysilyl)propyl]tetrasulfide, 0.001% The aqueous solution of sodium dodecyl sulfonate was left to stand at room temperature for 60 hours to prepare a hydrosol, and the aramid fiber was soaked in the hydrosol for 2.0 minutes, and dried at 70°C for 5 minutes; then soaked in a low-concentration colloidal palladium activation solution at room temperature 3 minutes, the activation solution was made of 0.1g / L PdCl 2 , 3g / L VC, 6g / L SnCl 2 , 10mL / L hydrochloric acid, the balance is composed of deionized...

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Abstract

The invention discloses a preparation method of a copper-zinc-iron ternary alloy chemical plating layer on the surface of aramid fiber. The preparation method comprises the following steps: carrying out surface modification on aramid fiber; carrying out low-concentration colloid palladium treatment; and carrying out a copper-zinc-iron ternary alloy chemical plating process. The preparation method has the beneficial effects that an environment-friendly glyoxylic acid chemical plating process is used to realize co-deposition of a copper-zinc-iron ternary alloy; the plating layer is composed of following components in percentage by mass: 85%-90.5% of copper, 1.0%-3.0% of iron, 0.5%-1.5% of zinc and the balance of carbon and oxygen; through detection, the surface resistance of the plating layer keeps below 50m(omega)/sq; an adhesive tape method is used for determining the binding force between the plating layer and fabric fibers and the weight loss ratio is less than 0.1%; the plating layer is bright and a microstructure is uniform; the plating layer can resist atmosphere corrosion and meets the requirements of electric conduction, electromagnetic shielding, static electricity prevention and the like.

Description

[0001] technical field [0002] The invention relates to the technical field of surface treatment, in particular to a method for preparing a copper-zinc-iron ternary alloy electroless coating on the surface of aramid fibers. [0003] Background technique [0004] Aramid fiber, namely "poly-p-phenylene terephthalamide", is a new type of high-tech synthetic fiber. Due to its special structure, aramid fiber material has ultra-high strength, high modulus, high temperature resistance and acid resistance. Alkali resistance, light weight and excellent flame retardancy and other excellent properties have special uses in various aspects of the national economy such as military industry, aerospace, electromechanical, construction, automobiles, and sporting goods. [0005] Carrying out different metallization treatments on the surface of aramid fiber, endowing it with conductive, electromagnetic shielding, anti-static or other special functions of metals will greatly expand the applic...

Claims

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Application Information

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IPC IPC(8): D06M11/83D06M10/00D06M13/513D06M13/256D06M11/20D06M11/28C23C18/48C23C18/30D06M101/36
Inventor 冯立明张建刚郑培学
Owner SHANDONG JIANZHU UNIV
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