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Graphene and inorganic zinc silicate workshop primer and preparation method thereof

A technology of inorganic zinc silicate and workshop primer, which is applied in the direction of anti-corrosion coatings and coatings, can solve the problems of anti-corrosion performance, rust and other problems, achieve the effects of saving consumption, improving coating thickness, and reducing the generation of harmful zinc fog

Inactive Publication Date: 2018-04-03
珠海聚碳复合材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to reduce the amount of zinc powder in the inorganic zinc silicate shop primer, reduce the generation of toxic zinc fog and dust during cutting and welding, and adapt to the rapid cutting and welding process of the assembly line, a lot of research work has been done at home and abroad, such as adding iron phosphorus powder , talcum powder, silicon micropowder, mica powder, calcium carbonate, zinc phosphate and other fillers, but as the amount of metal zinc decreases, its anti-corrosion performance will inevitably be affected. When the metal zinc content in the coating is less than 30%, the steel will There is still a risk of severe corrosion during the 3-month protection period

Method used

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  • Graphene and inorganic zinc silicate workshop primer and preparation method thereof

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Embodiment 1

[0034] A graphene inorganic zinc silicate shop primer, comprising component one and component two, by the total mass of component one, component one comprises: graphene 2.5%, ethanol 15%, dispersant 1.2%, poly Oxyethylene polyoxypropanol amine ether 3.5%, fumed silica 2%, zinc powder 12%, iron titanium powder 63.2%, benzotriazole corrosion inhibitor 0.2%, polydimethylsiloxane defoamer 0.2 %, amino functional silane coupling agent 0.2%;

[0035] Based on the total mass of component two, component two includes: ethyl silicate 40%, hydrochloric acid 0.05%, deionized water 4%, solvent ethanol 55.95%.

Embodiment 2

[0037] A graphene inorganic zinc silicate shop primer, comprising component one and component two, by the total mass of component one, component one comprises: graphene 0.2%, isopropanol 30%, dispersant 2% , Polyoxyethylene polyoxypropanolamine ether 5%, polyamide wax 3%, zinc powder 20%, iron titanium powder 38.8%, benzotriazole corrosion inhibitor 0.4%, polydimethylsiloxane defoamer 0.2%, amino functional silane coupling agent 0.4%;

[0038] Based on the total mass of component two, component two includes: ethyl silicate 50%, hydrochloric acid 0.1%, deionized water 5%, solvent isopropanol 44.9%.

Embodiment 3

[0040] A graphene inorganic zinc silicate shop primer, comprising component one and component two, by the total mass of component one, component one comprises: graphene 1%, isobutanol 25%, dispersant 1.8% , polyvinyl butyral resin 4%, bentonite 2.5%, zinc powder 15%, precipitated barium sulfate 49.9%, benzotriazole corrosion inhibitor 0.3%, polydimethylsiloxane defoamer 0.5%;

[0041] Based on the total mass of component two, component two includes: ethyl silicate 45%, hydrochloric acid 0.08%, deionized water 4.5%, solvent isobutanol 50.42%.

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Abstract

The invention relates to graphene and inorganic zinc silicate workshop primer and a preparation method thereof and belongs to the technical field of primer materials. The graphene and inorganic zinc silicate workshop primer is prepared from a component I and a component II; according to the total mass of the component I, the component I is prepared from the following components: 0.2 percent to 5 percent of graphene, 10 percent to 30 percent of a diluting agent, 0.15 percent to 2 percent of a dispersant, 0.5 percent to 5 percent of film-forming resin, 0.5 percent to 3 percent of an anti-sedimentation agent, 5 percent to 20 percent of zinc powder, 30 percent to 70 percent of filling and 0.2 percent to 1 percent of an auxiliary agent; according to the total mass of the component II, the component II is prepared from the following components: 30 percent to 50 percent of ethyl silicate, 0.01 percent to 0.1 percent of a catalyst, 3 percent to 5 percent of a catalyst and 45 percent to 65 percent of a solvent. The primer provided by the invention not only contains the graphene, but also contains inorganic zinc silicate; when the content of metal zinc is relatively low, the protection period can exceed that of inorganic zinc silicate workshop primer with high zinc content; the coating thickness is greatly improved when being compared with a conventional thickness and is one half of thatof conventional zinc silicate workshop primer.

Description

technical field [0001] The invention relates to a primer, in particular to a graphene inorganic zinc silicate shop primer and a preparation method thereof, belonging to the technical field of primer materials. Background technique [0002] Inorganic zinc silicate shop primer is a steel pretreatment primer with fast drying speed and excellent corrosion resistance, which can meet the rapid cutting and welding process of the assembly line, so it is widely used in the temporary protection of steel in manufacturing industries such as ships and steel structures And maintenance, inorganic zinc silicate shop primer is currently the largest variety of shop primer. According to the requirements of the environment where the steel or component is located, and the content of metal zinc in the inorganic zinc silicate shop primer, the protection period of the 15-20 micron coating is generally 3-12 months. When the coating metal zinc content is high, The coating protection period is prolon...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D1/00C09D5/10C09D7/61C09D7/63C09D7/65
CPCC09D1/00C09D5/106
Inventor 陈小刚
Owner 珠海聚碳复合材料有限公司