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Mica and graphene co-modified inorganic coating material and use method thereof

A technology of inorganic coatings and graphene, applied in the direction of alkali metal silicate coatings, coatings, etc., can solve problems such as poor adhesion, achieve the effects of improving adhesion, simplifying construction difficulty, and improving weather resistance

Active Publication Date: 2013-09-25
NINGBO MORSH TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to overcome the problem of poor adhesion of existing inorganic coatings on metal surfaces, to provide a kind of mica and graphene co-modified inorganic coatings, to modify the existing inorganic coatings by mica and graphene, greatly improving Improve the adhesion of inorganic coatings on the metal surface, and achieve the same effect as improving the adhesion of inorganic coatings after the metal surface has been sandblasted or corroded and roughened.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Mica pretreatment: calcining muscovite at 700°C for 90 minutes to obtain mica clinker, immersing the mica clinker in ammonium bicarbonate solution with a mass concentration of 50% for 20 minutes, taking out the mica clinker, and calcining for a second time at 200°C for 40 minutes , and finally pass through a 10-mesh sieve.

[0040] The inorganic coating is a phosphate coating, and the formulation of the phosphate coating is referred to the embodiment 1-3 of the CN1618887A invention patent (disclosed on May 25, 2005). During the preparation of the phosphate coating or after the preparation, the pretreated muscovite is added and graphene (added in the form of graphene powder), just mix evenly, the amount of muscovite added accounts for 5% of the mass percentage of the inorganic coating, and the added amount of graphene accounts for 0.1% of the mass percentage of the inorganic coating.

[0041]

Embodiment 2

[0043] Mica pretreatment: calcining phlogopite at 1000°C for 60 minutes to obtain mica clinker, immersing the mica clinker in ammonium bicarbonate solution with a mass concentration of 60% for 10 minutes, taking out the mica clinker, and calcining it for a second time at 300°C for 20 minutes , and finally pass through a 15-mesh sieve.

[0044] The inorganic coating is a phosphate coating (commercially available, Yangzhou Meitushi Jinling Special Coatings Co., Ltd., the product name is inorganic phosphate zinc-rich coating, model ET-98), and pre-treated phlogopite and graphite are added to the phosphate coating. ene (added in the form of graphene powder), just mix evenly, the amount of phlogopite added accounts for 0.1% of the mass percentage of the inorganic coating, and the added amount of graphene accounts for 3% of the mass percentage of the inorganic coating.

[0045]

Embodiment 3

[0047] Mica pretreatment: calcining muscovite at 800°C for 80 minutes to obtain mica clinker, immersing the mica clinker in ammonium bicarbonate solution with a mass concentration of 55% for 15 minutes, taking out the mica clinker, and calcining for a second time at 250°C for 30 minutes , and finally pass through a 12-mesh sieve.

[0048] The inorganic coating is alkali metal silicate coating (commercially available, Xinhua Yan Refractory and Insulation Material Co., Ltd., product name silicate coating), during the preparation process of the alkali metal silicate coating or after the preparation is completed, add pre-treated white cloud Motherboard and graphene (added in the form of graphene powder) can be mixed evenly. The amount of muscovite added accounts for 2% of the mass percentage of the inorganic coating, and the added amount of graphene accounts for 0.5% of the mass percentage of the inorganic coating.

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Abstract

The invention discloses a mica and graphene co-modified inorganic coating material and a use method thereof, wherein a purpose of the present invention is to overcome the problem of poor adhesion of the inorganic coating on the metal surface. The mica and graphene co-modified inorganic coating material is prepared by adopting mica and graphene to carry out co-modification on an inorganic coating material, wherein the graphene adding amount is 0.1-3% of the mass of the inorganic coating material, and the mica adding amount is 0.1-5% of the mass of the inorganic coating material. According to the invention, the mica and the graphene are matched to carry out co-modification on the existing inorganic coating material performance so as to substantially increase adhesion of the inorganic coating material on the metal surface, and achieve an effect the same as the increased adhesion effect t of the inorganic coating material after carrying out a bland blasting treatment or an etching roughening treatment on the metal surface; a bland blasting treatment or an etching roughening treatment on the metal surface is not required so as to substantially simplify construction difficulty; and weathering resistance, high temperature resistance, thermal insulation and insulation property of the inorganic coating material can be substantially improved.

Description

technical field [0001] The invention relates to the technical field of inorganic paint production, in particular to a mica and graphene co-modified inorganic paint and its application method. Background technique [0002] Inorganic coatings mainly refer to the coatings prepared by using silicate and phosphate compounds as binders, adding various pigments, fillers, additives, and curing agents. Among them, silicate polymer compounds can be divided into alkali metal Silicates and silica sols. This kind of coating with inorganic binder as the film-forming substance has low film-forming temperature, excellent weather resistance, very stable under the action of ultraviolet light, good heat resistance, non-combustible in case of fire, and good resistance to heat. Pollution, not easy to absorb dust, can maintain a bright decorative effect, no volatile organic compounds are produced during production and use, will not pollute the environment, rich raw material resources, low cost a...

Claims

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Application Information

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IPC IPC(8): C09D1/00C09D1/02C09D7/12
Inventor 唐长林王樑
Owner NINGBO MORSH TECH
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