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Novel functional coating and preparation method thereof

A technology of functional coatings and functional fillers, applied in anti-corrosion coatings, conductive coatings, epoxy resin coatings, etc., can solve the problems of complex preparation process, high cost, no antibacterial properties, etc. The effect of improving solubility

Inactive Publication Date: 2018-08-10
刘俊
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In the invention patent of application number CN200710074653.4, a conductive coating is introduced, which has the advantages of smooth surface of the film-forming substance, strong adhesion, and good electrical conductivity, but its conductive material is silver powder Or metal powder such as copper powder, which has high cost, poor dispersion in coatings, and poor anti-corrosion performance of coatings
In the invention patent of application number CN201510937910.7, a carbon nanotube chemically modified polyurethane conductive coating is introduced, which uses polyacryloyl chloride to graft functionalized carbon nanotubes, and the reaction solution is then grafted with polyurethane resin with hydroxyl groups. , that is, use the remaining acid chloride groups to react with polyurethane with hydroxyl groups to prepare polyurethane resins chemically modified by carbon nanotubes, and finally mix the prepared modified polyurethanes with unmodified polyurethanes to make coatings, which have excellent Antistatic performance and electromagnetic shielding performance, but its preparation process is complicated, and the grafting rate of carbon nanotubes is not high, so the functionalization of its polyurethane resin cannot meet the actual needs
In the invention patent of application number CN201510480616.8, a nanocomposite conductive coating is introduced. The conductive pigment and filler are modified carbon nanotube / polyaniline nanocomposite materials. The preparation conditions are mild, no need to add new equipment, and the process is simple , the production cost is low, but its polyaniline is acidified by hydrochloric acid, which does not meet the new requirements of cleanliness and environmental protection, and the coating does not have antibacterial effect

Method used

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  • Novel functional coating and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0035] The dopant is ionic liquid 1-(propyl-3-sulfonic acid group) imidazolium dodecylbenzenesulfonate, and the specific preparation method is as follows:

[0036] (1) After mixing 1,3-propane sultone and ethyl acetate to form a solution with a mass fraction of 30%, add imidazole equimolar to 1,3-propane sultone, and stir at 500r / min After heating to 50°C, react for 24 hours, and centrifuge and wash to obtain the intermediate;

[0037] (2) After the intermediate in the step (1) is mixed with water to be prepared as an aqueous solution with a mass fraction of 40%, add and 1,3-propane sultone equimolar dodecylbenzenesulfonic acid, at 500r / Stirring and heating to 60°C for 48 hours under the condition of stirring for 48 hours, centrifuging and washing to obtain the dopant, which is set aside.

[0038] The functional filler is a carbon nanotube / polyaniline / silver ternary composite material, and the specific preparation method is as follows:

[0039] (1) mixing the dopant with deio...

Embodiment 2

[0050] The dopant is ionic liquid 1-(propyl-3-sulfonic acid group) imidazolium dodecylbenzenesulfonate, and the specific preparation method is as follows:

[0051] (1) After mixing 1,3-propane sultone and ethyl acetate to prepare a solution with a mass fraction of 50%, add imidazole equimolar to 1,3-propane sultone, and stir at 800r / min After heating to 80°C, react for 24 hours, and centrifuge and wash to obtain the intermediate;

[0052] (2) After the intermediate in the step (1) is mixed with water to be prepared as an aqueous solution with a mass fraction of 60%, add dodecylbenzenesulfonic acid with 1,3-propane sultone equimolar, at 1000r / Under the condition of stirring and heating for 1 min, the temperature was raised to 80°C, reacted for 48 h, and centrifuged and washed to obtain the dopant, which was set aside.

[0053] The functional filler is a carbon nanotube / polyaniline / silver ternary composite material, and the specific preparation method is as follows:

[0054] ...

Embodiment 3

[0065] The dopant is ionic liquid 1-(propyl-3-sulfonic acid group) imidazolium dodecylbenzenesulfonate, and the specific preparation method is as follows:

[0066] (1) After mixing 1,3-propane sultone and ethyl acetate to prepare a solution with a mass fraction of 50%, add imidazole equimolar to 1,3-propane sultone, and stir at 800r / min After heating to 80°C, react for 18 hours, and centrifuge and wash to obtain the intermediate;

[0067] (2) After the intermediate in the step (1) is mixed with water to be prepared as an aqueous solution with a mass fraction of 60%, add dodecylbenzenesulfonic acid with 1,3-propane sultone equimolar, at 1000r / Under the condition of stirring and heating for 1 min, the temperature was raised to 80°C, and then reacted for 12 hours, and centrifuged and washed to obtain the dopant, which was set aside.

[0068] The functional filler is a carbon nanotube / polyaniline / silver ternary composite material, and the specific preparation method is as follow...

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Abstract

The invention provides novel functional coating and a preparation method thereof. The coating is prepared by uniformly mixing an ingredient A and an ingredient B, wherein the ingredient A is preparedfrom pigments, coalescing agents, thickening agents, flash rust preventing agents, wet dispersing agents, antifoaming agents, functional filling materials, waterborne epoxy resin emulsion and deionized water; the ingredient B is water-based modified amine epoxy curing agents. Therefore the coating has the characteristics that the environment is protected; the anti-corrosion performance is realized; the stain resistant performance is realized; the electric conduction performance is good; the sterilization effect is good.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a novel functional coating and a preparation method thereof. Background technique [0002] The use of thermal insulation on building exterior walls to save resources, low energy consumption and no pollution is the development direction of coatings. More and more attention has been paid to functional coatings. Their special functions mainly include anti-rust, anti-fouling, heat-resistant, conductive, insulating, and fire-resistant. , temperature display, camouflage, magnetic, luminous, etc. The emergence of new coatings can effectively solve the problems encountered by the coatings industry in terms of energy saving, high efficiency, environmental protection and multi-functional requirements. [0003] In the invention patent of application number CN200710074653.4, a conductive coating is introduced, which has the advantages of smooth surface of the film-forming substance, strong...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D5/14C09D5/08C09D5/24
CPCC08K2003/0806C08K2201/001C08K2201/011C09D5/08C09D5/14C09D5/24C09D163/00C08L79/02C08K3/041C08K3/08C08K5/42
Inventor 张子杰
Owner 刘俊
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