Graphene modification-based solvent-free organosilicone high-temperature-resistant anticorrosive paint and preparation method thereof

A graphene modification, solvent-free technology, applied in anti-corrosion coatings, coatings, etc., can solve the problems of unstable graphene dispersion, poor corrosion resistance, high VOC content, improve corrosion resistance, solve unstable dispersion, Guaranteed long-lasting results

Inactive Publication Date: 2018-01-09
XINHE NEW MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Therefore, in view of the above content, the present invention provides a graphene-based solvent-free organic silicon high-temperature anti-corrosion paint and its preparation method, which solves the problem of the high-temperature anti-corrosion organic silicon anti-corrosion paint existing in the prior art without high-temperature crosslinking reaction. Poor corrosion resistance of the paint film, high VOC content and unstable dispersion of graphene in the paint

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A kind of graphene-based modified solvent-free organosilicon high-temperature anti-corrosion paint, including component A and component B, wherein component A is composed of solvent-free liquid polysiloxane containing methyl and methoxy functional groups, cobalt blue , talcum powder, graphene, anti-settling agent, defoamer, monomethyltrimethoxysilane, dispersant, leveling agent, etc., the parts by weight of each component are: solvent-free containing methyl and methoxy 35 parts of liquid polysiloxane with functional group, 11 parts of cobalt blue, 11 parts of talcum powder, 0.1 part of graphene, 1 part of anti-settling agent, 0.5 part of defoamer, 2.1 parts of monomethyltrimethoxysilane, 0.1 part of dispersant parts, 0.2 parts of leveling agent; wherein component B is composed of monomethyltrimethoxysilane and silane coupling agent, and the parts by weight of each component are: 10 parts of monomethyltrimethoxysilane, silane coupling agent 90 parts; when used, mix accor...

Embodiment 2

[0032] A kind of graphene-based modified solvent-free organosilicon high-temperature anti-corrosion paint, including component A and component B, wherein component A is composed of solvent-free liquid polysiloxane containing methyl and methoxy functional groups, aluminum silver powder , silica, graphene, anti-settling agent, defoamer, dimethyldimethoxysilane, dispersant, leveling agent, etc., the parts by weight of each component are: solvent-free containing methyl and methyl 40 parts of liquid polysiloxane of oxygen functional group, 17 parts by weight of aluminum silver powder, 23 parts by weight of silicon dioxide, 0.2 part of graphene, 0.9 part of anti-settling agent, 0.4 part of defoamer, dimethyl dimethoxy 3 parts of base silane, 0.7 parts of dispersant, and 0.3 parts of leveling agent; wherein component B is composed of dimethyldimethoxysilane and titanate coupling agent, and the parts by weight of each component are: dimethyl 50 parts of dimethoxysilane, 50 parts of ti...

Embodiment 3

[0041] A kind of graphene-based modified solvent-free organosilicon high-temperature anticorrosion paint, comprising component A and component B, wherein component A is made of solvent-free liquid polysiloxane containing methyl and methoxy functional groups, cobalt black , mica powder, graphene, anti-settling agent, defoamer, diphenyldiethoxysilane, dispersant, leveling agent, etc., the parts by weight of each component are: solvent-free containing methyl and methoxy 75 parts of liquid polysiloxane with functional groups, 25 parts of cobalt black, 25 parts of mica powder, 0.8 parts of graphene, 2 parts of anti-settling agent, 1 part of defoamer, 5 parts of diphenyldiethoxysilane, dispersed 2 parts of agent, 1 part of leveling agent; wherein component B is composed of diphenyldiethoxysilane and aluminate coupling agent, and the parts by weight of each component are: diphenyldiethoxysilane 80 Parts, 20 parts of aluminate coupling agent; when used, mix according to the weight rat...

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Abstract

The invention relates to the field of coatings and provides graphene modification-based solvent-free organosilicone high-temperature-resistant anticorrosive paint and a preparation method thereof. Theproblems existing in the prior art that the corrosion resistance of the film is poor, the content of VOC (Volatile Organic Compounds) is high and graphene is instable in dispersion in the coating when the organosilicone high-temperature-resistant anticorrosive paint is not subjected to a high-temperature cross-linking reaction are solved. The high-temperature-resistant anticorrosive paint comprises a component A and a component B, wherein the component A is composed of solvent-free liquid polysiloxane containing methyl and methoxy functional groups, pigments and fillers, graphene, an anti-settling agent, an antifoaming agent, a reactive diluent, a dispersing agent, a flatting agent and the like; and the component A and the component B are mixed according to a weight ratio of 100:(0.5-5).

Description

technical field [0001] The invention relates to the field of coatings, in particular to a graphene-based modified solvent-free organosilicon high temperature resistant anticorrosion paint and a preparation method thereof. Background technique [0002] Silicone high temperature resistant anti-corrosion paint is composed of pure silicone resin or modified silicone resin as the base material and inorganic high temperature resistant pigments and fillers, solvents and additives. The coating film can be used above 200 ℃ for a long time Maintain certain physical and chemical properties, and at the same time enable the protected object to function normally in a high temperature environment. Silicone high temperature resistant anti-corrosion paint is widely used in high temperature places, such as barbecue grills, exhaust pipes of construction machinery, heating systems of asphalt plant mixing heat regeneration equipment, steel chimneys, high temperature pipelines, high temperature f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D183/06C09D5/08C09D5/10C09D7/00C09D7/61
Inventor 王书传徐华明胡建林张武军
Owner XINHE NEW MATERIALS CO LTD
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