A kind of inorganic zinc powder primer containing graphene and preparation method thereof

A graphene, inorganic zinc technology, applied in anti-corrosion coatings, fire-retardant coatings, coatings, etc., can solve problems such as unfavorable sustainable development, easy rupture, waste of zinc powder, etc., achieve excellent anti-corrosion performance, reduce production costs, reduce effect of input

Active Publication Date: 2018-03-16
无锡市玉邦树脂涂料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, in the prior art, the overall resistance to mechanical damage of the inorganic zinc powder primer is not very strong. When subjected to a huge mechanical impact, it is still prone to problems such as cracking, which will cause peeling of the paint surface.
And directly throwing a large amount of zinc powder into the production process will cause huge waste of zinc powder, thereby greatly improving the cost of production, which is not conducive to sustainable development

Method used

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  • A kind of inorganic zinc powder primer containing graphene and preparation method thereof
  • A kind of inorganic zinc powder primer containing graphene and preparation method thereof
  • A kind of inorganic zinc powder primer containing graphene and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] Prepare component A:

[0047] 5kg polyvinyl butyral resin, 1kg bentonite, 0.5kg permethylpolysiloxane, 0.5kg siloxane trimer, 10kg zinc powder, 4kg mica iron oxide, 6kg mica powder, 3kg zinc phosphate, 3kg Feldspar powder, 4kg talc powder and 0.1kg graphene are added to the stirring disperser for stirring and mixing, after stirring at a stirring speed of 900-1100rpm for 10-20 minutes, add 3.75kg of dimethylformamide and 1.25kg of polyethylene glycol, Then magnetically disperse at 32-38°C for 1-3 hours, and then stir at a stirring speed of 500-900rpm for 12-18 minutes, then disperse and grind until the fineness is below 30 μm, and prepare mixture A;

[0048] Prepare B component:

[0049] Add 20kg of ethyl silicate hydrolyzate, 2kg of triphenol and 1kg of catechol into the stirring disperser, and add 22.5kg of dimethylformamide and 7.5kg of polyethylene glycol, and stir at a stirring speed of 900-1100rpm until Until it is completely dissolved, then disperse and grind un...

Embodiment 2

[0052] Prepare component A:

[0053] 15kg polyvinyl butyral resin, 3kg bentonite, 2kg siloxane trimer, 1kg cyclic siloxane, 30kg zinc powder, 15kg mica iron oxide, 14kg mica powder, 14kg zinc phosphate, 11kg feldspar powder, 6kg Add talcum powder and 1kg graphene into the stirring disperser for stirring and mixing. After stirring at a stirring speed of 900-1100rpm for 10-20 minutes, add 11.25kg of dimethylformamide and 3.75kg of polyethylene glycol, and then stir at 32-38 Magnetically disperse at ℃ for 1-3 hours, and then stir at a stirring speed of 500-900rpm for 12-18 minutes, then disperse and grind until the fineness is below 30 μm, and prepare mixture A;

[0054] Prepare B component:

[0055] Add 50kg of ethyl silicate hydrolyzate, 3kg of nonylphenol and 5kg of 3-methylphenol into the stirring disperser, and add 45kg of dimethylformamide and 15kg of polyethylene glycol, and stir at a stirring speed of 900-1100rpm until complete Until it dissolves, then disperse and grin...

Embodiment 3

[0058] Prepare component A:

[0059] 10kg polyvinyl butyral resin, 2kg bentonite, 1kg permethyl polysiloxane, 1kg cyclic siloxane, 20kg zinc powder, 12kg mica iron oxide, 11kg mica powder, 8kg zinc phosphate, 7kg feldspar powder, Add 2kg talcum powder and 0.5kg graphene into the stirring disperser for stirring and mixing. After stirring at 900~1100rpm stirring speed for 10~20 minutes, add 7.5kg dimethylformamide and 2.5kg polyethylene glycol, and then Magnetically disperse at ~38°C for 1-3 hours, and then stir at a stirring speed of 500-900rpm for 12-18 minutes, then disperse and grind until the fineness is below 30μm, and prepare mixture A;

[0060] Prepare B component:

[0061] Add 35kg of ethyl silicate hydrolyzate, 3kg of triphenol and 2.5kg of nonylphenol into the stirring disperser, and add 33.75kg of dimethylformamide and 11.25kg of polyethylene glycol, and stir at a stirring speed of 900-1100rpm until Until it is completely dissolved, then disperse and grind until th...

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Abstract

The invention provides an inorganic zinc dust primer containing graphene. The inorganic zinc dust primer is prepared from the following components in parts by weight: a component A, namely 5-15 parts of polyvinyl butyral resin, 1-3 parts of bentonite, 1-3 parts of a wetting dispersant, 10-30 parts of zinc powder, 20-60 parts of anticorrosive packing, 0.1-1 part of graphene and 5-15 parts of a solvent, as well as a component B, namely 20-50 parts of ethyl silicate hydrolysate, 3-8 parts of a solidification regulator and 30-60 parts of a solvent. Compared with epoxy zinciferous painting, the inorganic zinciferous primer is relatively excellent in high temperature resistance and antiseptic property. Compared with the traditional inorganic zine-rich primer, the inorganic zinc dust primer has the advantages that less zinc powder is required to be added, and wastes of the zinc powder is greatly reduced; furthermore, a very small amount of the graphene is added to replace most of the zinc powder, and the antiseptic property of the inorganic zinc dust primer with the graphene replacing the zinc powder is basically consistent with that of the traditional inorganic zine-rich primer.

Description

technical field [0001] The invention relates to the field of coatings, in particular to an inorganic zinc powder primer containing graphene and a preparation method thereof. Background technique [0002] With the rapid development of today's society, inorganic zinc powder primer has an electrochemical protective effect on steel, has excellent antirust performance, and is resistant to seawater, oil, solvents, salts and atmospheric corrosion. And it can be used in the environment of 400 ℃ for a long time, so it is widely used in shipbuilding industry, petrochemical industry, thermal pipelines of offshore facilities, chimneys, bridges, etc. [0003] However, in the prior art, the overall mechanical damage resistance of the inorganic zinc powder primer is not very strong. When subjected to a huge mechanical impact, problems such as cracking are still easy to occur, thereby causing peeling of the paint surface. And directly throwing a large amount of zinc powder in the productio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D1/00C09D5/10C09D7/61C09D7/65C09D7/20
CPCC09D1/00C09D5/084C09D5/106C09D5/18C09D7/20C09D7/61C09D7/65
Inventor 刘源徐建东强飞
Owner 无锡市玉邦树脂涂料有限公司
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