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Preparation method of liquid metal non-stick layer and utensil not sticking to liquid metal

A technology of liquid metal and utensils, applied in coatings, anti-corrosion coatings, fire-resistant coatings, etc., can solve the problems of small selection of utensil materials, poor non-stick structure stability, and short duration

Active Publication Date: 2020-07-07
BEIJING DREAM INK TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In view of this, an object of the present invention is to propose a method for preparing a liquid metal non-stick layer, so as to solve the problems in the prior art that the non-stick structure on the surface of the utensil is poor in stability, the duration is short, and the selection range of utensil materials is small.

Method used

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  • Preparation method of liquid metal non-stick layer and utensil not sticking to liquid metal
  • Preparation method of liquid metal non-stick layer and utensil not sticking to liquid metal
  • Preparation method of liquid metal non-stick layer and utensil not sticking to liquid metal

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preparation example Construction

[0028] The invention discloses a method for preparing a liquid metal non-stick layer, mainly by attaching the reactant of an ortho-dihydroxyphenol compound and an amine compound in a dissolved state to the surface of an object to be in contact with liquid metal. Forms a non-stick layer on the surface. Wherein, the present invention mainly utilizes the reaction between the amino groups in ortho-dihydroxyphenols and amines, and the chemical molecular structure of ortho-dihydroxyphenols is as follows: figure 1 As shown, the chemical molecular structure of the amino group is as figure 2 shown.

[0029] The non-stick layer in the present invention is produced by the reaction of o-dihydroxyphenols and amino groups, has stable properties and irreversible reactions, and can maintain its layer structure for a long time. And the utensil prepared by this method has a non-stick layer attached to its surface, which can obviously reduce the adhesion residue of liquid metal on the utensil...

Embodiment 1

[0055] Embodiment 1. The polycarbonate (PC) ink cartridge that does not adhere to liquid metal

[0056] The polycarbonate (PC) ink cartridge that does not adhere to liquid metal comprises ink cartridge body and ink cartridge surface functional coating, and its preparation method is as follows:

[0057] A. Dissolve 5mM catechol and 5mM tetraethylenepentamine in deionized water;

[0058] B. Utilize Tris and hydrochloric acid to adjust the pH value of the above solution to about 8.6;

[0059] C. Wash the PC cartridge ultrasonically with ethanol and deionized water, and then dry it in an oven at 50°C;

[0060] D. Soak the cleaned ink cartridge in the modification solution prepared in steps a and b, react at room temperature for 20 hours, take out the ink cartridge, rinse repeatedly with deionized water, and dry naturally.

[0061] After modification, the functional coating after the reaction of catechol and tetraethylenepentamine was successfully attached to the inner and outer ...

Embodiment 2

[0062] Embodiment 2. The glass beaker that does not adhere to liquid metal

[0063] A glass beaker that does not adhere to liquid metal includes a beaker body and a functional coating on the surface of the beaker, and its preparation method is as follows:

[0064] A. Dissolve 2mM pyrogallol and 5mM triethylenetetramine in deionized water;

[0065] B. Utilize Tris and hydrochloric acid to adjust the pH value of the above solution to about 8.6;

[0066] C. Rinse the glass beaker repeatedly with ethanol and deionized water, and then dry it with hot air;

[0067] D. Use a cleaned glass beaker to store the modified solution prepared in steps a and b, react in a shaker at room temperature for 16 hours, pour out the solution in the beaker, rinse repeatedly with deionized water, and dry naturally.

[0068] After modification, the glass surface successfully adhered to the functional coating after the reaction of pyrogallol and triethylenetetramine, and various liquid metals did not a...

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Abstract

The invention discloses a preparation method of a liquid-state metal non-stick layer and a utensil without sticking of liquid-state metal. The preparation method comprises the following steps: attaching a reactant under a dissolved state of an o-dihydroxyphenol compound and an amine compound on the surface of an object which is in contact with the liquid-state metal, so as to form the non-stick layer on the surface of the object. According to the preparation method, the non-stick layer is generated by taking o-dihydroxyphenol to react with amino in amine, properties are stable and reaction isirreversible; a layer structure can be kept for a long time. The non-stick layer is attached on the surface of the utensil so that attachment residues of the liquid-state metal on the surface of the utensil can be remarkably reduced, and pollution of the liquid-state metal on a container and wastes of the liquid-state metal are extremely avoided; meanwhile, with regard to an output utensil of theliquid-state metal, the risk probability that ink is difficult to output and the output ink is blocked, caused by the fact that the liquid-state metal is attached on the surface of a pipeline, is reduced.

Description

technical field [0001] The invention belongs to the technical field of liquid metal application, and in particular relates to a preparation method of a liquid metal non-adherent layer and an appliance not adhering to liquid metal. Background technique [0002] As a new functional material with unique physical and chemical properties, liquid metal has developed rapidly in recent years. 3D printing and printing processes based on liquid metal have been developed one after another. However, in the process of research and development and production, liquid metal is easy to adhere to the surface of various utensils. , causing container pollution, a large amount of waste of materials, and high production and research and development costs. [0003] Moreover, during the liquid metal 3D printing process, the liquid metal discharges the ink downward through the action of gravity, but because the liquid metal is easy to adhere to the ink cartridge, when the liquid metal stock in the i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D5/00C09D5/08C09D179/04C09D4/02
CPCC09D4/00C09D5/00C09D5/08C09D5/18C09D179/04
Inventor 朱唐董仕晋白安洋郑翰
Owner BEIJING DREAM INK TECH CO LTD
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