阅读说明：本技术 一种无机涂料的制备方法 (Preparation method of inorganic coating ) 是由 李伟 于 2021-07-26 设计创作，主要内容包括：本发明提供一种无机涂料的制备方法,涉及无机涂料技术领域。该种无机涂料的制备方法,包括以下体积占比原料：硅酸盐180-200份、钛白粉200-250份、无机乳液60-80份、纤维素30-50份、无机矿物颜料10-15份、消泡剂2-5份、杀菌剂2-4份、防霉剂6-8份、增稠剂2-4份、分散剂5-8份以及水210-250份；所述无机涂料由以下重量份数的原料组成：硅酸盐200份、钛白粉220份、无机乳液80份、纤维素40份、无机矿物颜料10份、消泡剂3份、杀菌剂4份、防霉剂8份、增稠剂2份、分散剂5份以及水220份。该涂料涂刷与矿物基质表面后,可以快速渗透入墙体表面,与墙体发生硅化反应,形成一种防酸抗碱的硅石表面,从而保证了涂料永不脱落,同时也具有更好的耐腐蚀、耐高温以及隔水等优异性能。(The invention provides a preparation method of an inorganic coating, and relates to the technical field of inorganic coatings. The preparation method of the inorganic coating comprises the following raw materials in percentage by volume: 200 parts of silicate 180-grade, 250 parts of titanium dioxide 200-grade, 60-80 parts of inorganic emulsion, 30-50 parts of cellulose, 10-15 parts of inorganic mineral pigment, 2-5 parts of defoaming agent, 2-4 parts of bactericide, 6-8 parts of mildew preventive, 2-4 parts of thickener, 5-8 parts of dispersant and 250 parts of water 210-grade; the inorganic coating is prepared from the following raw materials in parts by weight: 200 parts of silicate, 220 parts of titanium dioxide, 80 parts of inorganic emulsion, 40 parts of cellulose, 10 parts of inorganic mineral pigment, 3 parts of defoaming agent, 4 parts of bactericide, 8 parts of mildew preventive, 2 parts of thickener, 5 parts of dispersant and 220 parts of water. After being coated on the surface of a mineral matrix, the coating can quickly permeate into the surface of a wall body and can generate silicification reaction with the wall body to form an acid-proof and alkali-proof silica surface, so that the coating is ensured not to fall off, and meanwhile, the coating also has better excellent performances such as corrosion resistance, high temperature resistance, water resistance and the like.)

1. The inorganic coating is characterized by comprising the following raw materials in percentage by volume: 200 parts of silicate 180-materials, 250 parts of titanium dioxide 200-materials, 60-80 parts of inorganic emulsion, 30-50 parts of cellulose, 10-15 parts of inorganic mineral pigment, 2-5 parts of defoaming agent, 2-4 parts of bactericide, 6-8 parts of mildew preventive, 2-4 parts of thickener, 5-8 parts of dispersant and 250 parts of water 210-materials.

2. The inorganic coating as claimed in claim 1, wherein the inorganic coating is prepared from the following raw materials in parts by weight: 200 parts of silicate, 220 parts of titanium dioxide, 80 parts of inorganic emulsion, 40 parts of cellulose, 10 parts of inorganic mineral pigment, 3 parts of defoaming agent, 4 parts of bactericide, 8 parts of mildew preventive, 2 parts of thickener, 5 parts of dispersant and 220 parts of water.

3. The inorganic paint according to claim 1, characterized in that: the inorganic emulsion is potassium silicate, the defoaming agent is emulsified silicone oil, the bactericide is hydrogen peroxide, the mildew preventive is phenol, the thickening agent is methyl cellulose, and the dispersing agent is mica powder.

4. The inorganic paint according to claim 1, characterized in that: the cellulose is hydroxyethyl cellulose 250 HBR.

5. The method for preparing an inorganic paint according to claim 1, wherein: the method comprises the following specific steps:

s1, pouring 200 parts of silicate, 220 parts of titanium dioxide, 80 parts of inorganic emulsion and 40 parts of cellulose into a stirring device for mixing and stirring, and adding 220 parts of water during stirring;

s2, continuously stirring the mixed liquid prepared in the step S1 for 25-30min, adding 3 parts of defoaming agent, 4 parts of bactericide, 8 parts of mildew preventive, 2 parts of thickener and 5 parts of dispersant after stirring is finished, and continuously stirring for 10min;

s3, adding 10 parts of inorganic mineral pigment for color matching after the mixed coating prepared in the S2 has no obvious bubbles, continuously stirring for 40min, and obtaining an inorganic coating finished product after the coating is uniformly colored;

and S4, filling, sealing and packaging the prepared inorganic coating finished product by using a metal barrel.

6. The method for preparing an inorganic paint according to claim 5, wherein: the rotating speed of the stirring device is controlled to be 60-80 r/min.

7. The method for preparing an inorganic paint according to claim 5, wherein: in the S1, 200 parts of silicate, 220 parts of titanium dioxide, 80 parts of inorganic emulsion and 40 parts of cellulose are mixed and stirred for 8-10min, and then 220 parts of water is added.

8. The method for preparing an inorganic paint according to claim 5, wherein: and in the step S4, when the prepared inorganic coating finished product is filled and sealed and packaged, a metal barrel is selected for sealing and packaging, and a PVC plastic barrel can also be selected for sealing and packaging.

Technical Field

The invention relates to the technical field of inorganic coatings, in particular to a preparation method of an inorganic coating.

Background

The inorganic coating is a coating which takes inorganic materials as main film forming substances, is a short name of all-inorganic mineral coatings, and is widely applied to the daily life fields of buildings, paintings and the like due to high performance; the inorganic coating is an inorganic polymer coating which is composed of inorganic polymer, metal subjected to dispersion activation, metal oxide nano material and rare earth ultrafine powder, can quickly react with iron atoms on the surface of a steel structure to generate an inorganic polymer anticorrosive coating which has physical and chemical double protection effects and is firmly combined with a matrix through a chemical bond, has no pollution to the environment, long service life and anticorrosive performance reaching the international advanced level, and is a high-tech upgrading product meeting the requirement of environmental protection. The paint used in building engineering is aqueous solution of alkali metal silicate and aqueous dispersion of colloidal silica, and can be used as two film-forming materials to prepare inorganic paint of silicate and silica sol (colloidal silica), and then the inorganic paint of silicate and silica sol (colloidal silica) can be prepared by adding pigment, filler and various assistants, and has good water-proof, alkali-proof, pollution-resistant and gas-resistant properties.

The inorganic coating has a plurality of excellent performances, so the inorganic coating is widely applied in a plurality of fields, the inorganic coating is also applied in a plurality of building fields, and the inorganic coating can be generally used for coating layers of walls or building boards, and the walls or the building boards have certain performances of corrosion resistance, high temperature resistance, water resistance and the like after being coated with the inorganic coating, so that the inorganic coating can deal with general environment;

therefore, we developed a new preparation method of inorganic paint.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a preparation method of an inorganic coating, which solves the problems that when a wall body or a building board is applied to a severe working environment, the overall comprehensive performance of the existing inorganic coating is reduced, the overall performances of corrosion resistance, high temperature resistance, water resistance and the like are seriously tested, the overall service life is greatly reduced, the strength and the related comprehensive performance of the wall body or the building board are also greatly reduced, and the use safety of a building is even influenced in severe cases.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: an inorganic coating comprises the following raw materials in percentage by volume: 200 parts of silicate 180-materials, 250 parts of titanium dioxide 200-materials, 60-80 parts of inorganic emulsion, 30-50 parts of cellulose, 10-15 parts of inorganic mineral pigment, 2-5 parts of defoaming agent, 2-4 parts of bactericide, 6-8 parts of mildew preventive, 2-4 parts of thickener, 5-8 parts of dispersant and 250 parts of water 210-materials.

Preferably, the inorganic coating is prepared from the following raw materials in parts by weight: 200 parts of silicate, 220 parts of titanium dioxide, 80 parts of inorganic emulsion, 40 parts of cellulose, 10 parts of inorganic mineral pigment, 3 parts of defoaming agent, 4 parts of bactericide, 8 parts of mildew preventive, 2 parts of thickener, 5 parts of dispersant and 220 parts of water.

Preferably, the inorganic emulsion is potassium silicate, the defoaming agent is emulsified silicone oil, the bactericide is hydrogen peroxide, the mildew preventive is phenol, the thickener is methyl cellulose, the dispersant is mica powder, and the potassium silicate is used as the inorganic emulsion, so that the inorganic coating has good hygroscopicity.

Preferably, the cellulose is hydroxyethyl cellulose 250HBR, and the hydroxyethyl cellulose 250HBR is added into the inorganic coating and can be used as a thickening agent, a rheological property modifier, a protective glue solution, a moisture preservative, a stabilizer and a suspension auxiliary agent.

A preparation method of an inorganic coating comprises the following specific steps:

s1, pouring 200 parts of silicate, 220 parts of titanium dioxide, 80 parts of inorganic emulsion and 40 parts of cellulose into a stirring device for mixing and stirring, and adding 220 parts of water during stirring;

s2, continuously stirring the mixed liquid prepared in the step S1 for 25-30min, adding 3 parts of defoaming agent, 4 parts of bactericide, 8 parts of mildew preventive, 2 parts of thickener and 5 parts of dispersant after stirring is finished, and continuously stirring for 10min;

s3, adding 10 parts of inorganic mineral pigment for color matching after the mixed coating prepared in the S2 has no obvious bubbles, continuously stirring for 40min, and obtaining an inorganic coating finished product after the coating is uniformly colored;

and S4, filling, sealing and packaging the prepared inorganic coating finished product by using a metal barrel.

Preferably, the rotating speed of the stirring device is controlled to be 60-80r/min, and the rotating speed of the stirring device is controlled to be 60-80r/min, so that the stirring and mixing effects can be realized, and more bubbles caused by too high rotating speed can be prevented.

Preferably, in the step S1, 220 parts of water is added after 200 parts of silicate, 220 parts of titanium dioxide, 80 parts of inorganic emulsion and 40 parts of cellulose are mixed and stirred for 8-10min, and the silicate, the 220 parts of titanium dioxide, the 80 parts of inorganic emulsion and the 40 parts of cellulose are mixed and stirred for 8-10min and then the 220 parts of water are added, so that the silicate, the titanium dioxide, the inorganic emulsion and the cellulose are fully mixed firstly, and then water is added, so that the mixing of various substances is more uniform, and the caking is prevented.

Preferably, in S4, when the prepared inorganic coating finished product is filled and sealed, a metal barrel or a PVC plastic barrel is selected for sealing and packaging, and both the metal barrel and the PVC plastic barrel can be used for sealing and packaging the inorganic coating finished product, and the metal barrel has stronger protective performance and is not broken or damaged due to slight collision during transportation; the PVC plastic barrel is lighter in weight, the overall mass can be reduced, and transportation is facilitated.

(III) advantageous effects

The invention provides a preparation method of an inorganic coating. The method has the following beneficial effects:

1. according to the preparation method of the inorganic coating, the high-quality inorganic coating is prepared, and after the coating is coated on the surface of a wall or a building material, the wall or the building material has better wear resistance, corrosion resistance, high temperature resistance, water resistance, fire resistance and the like, so that the conditions of cracking, falling and the like cannot easily occur even in a severe working environment, and the working efficiency is greatly improved.

2. The preparation method of the inorganic coating can quickly prepare the inorganic coating with excellent quality by adopting a simple preparation method, and the coating can quickly permeate into the surface of a wall body after being coated on the surface of a mineral substrate and has silicification reaction with the wall body to form an acid-proof and alkali-proof silica surface, so that the coating is ensured not to fall off forever, and meanwhile, the inorganic coating has better excellent performances of corrosion resistance, high temperature resistance, water resistance and the like, and the integral service life of the inorganic coating is greatly prolonged.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b):

the embodiment of the invention provides an inorganic coating, which comprises the following raw materials in percentage by volume: 200 parts of silicate 180-materials, 250 parts of titanium dioxide 200-materials, 60-80 parts of inorganic emulsion, 30-50 parts of cellulose, 10-15 parts of inorganic mineral pigment, 2-5 parts of defoaming agent, 2-4 parts of bactericide, 6-8 parts of mildew preventive, 2-4 parts of thickener, 5-8 parts of dispersant and 250 parts of water 210-materials.

The inorganic coating is prepared from the following raw materials in parts by weight: 200 parts of silicate, 220 parts of titanium dioxide, 80 parts of inorganic emulsion, 40 parts of cellulose, 10 parts of inorganic mineral pigment, 3 parts of defoaming agent, 4 parts of bactericide, 8 parts of mildew preventive, 2 parts of thickener, 5 parts of dispersant and 220 parts of water.

The inorganic emulsion is potassium silicate, the defoaming agent is emulsified silicone oil, the bactericide is hydrogen peroxide, the mildew preventive is phenol, the thickener is methyl cellulose, the dispersant is mica powder, and the potassium silicate is used as the inorganic emulsion, so that the inorganic coating has good hygroscopicity; the cellulose is hydroxyethyl cellulose 250HBR, and the hydroxyethyl cellulose 250HBR can be used as thickener, rheological modifier, protective glue solution, water storage agent, stabilizer and suspension auxiliary agent.

A preparation method of an inorganic coating comprises the following specific steps:

s1, pouring 200 parts of silicate, 220 parts of titanium dioxide, 80 parts of inorganic emulsion and 40 parts of cellulose into a stirring device for mixing and stirring, and adding 220 parts of water during stirring;

s2, continuously stirring the mixed liquid prepared in the step S1 for 25-30min, adding 3 parts of defoaming agent, 4 parts of bactericide, 8 parts of mildew preventive, 2 parts of thickener and 5 parts of dispersant after stirring is finished, and continuously stirring for 10min;

s3, adding 10 parts of inorganic mineral pigment for color matching after the mixed coating prepared in the S2 has no obvious bubbles, continuously stirring for 40min, and obtaining an inorganic coating finished product after the coating is uniformly colored;

and S4, filling, sealing and packaging the prepared inorganic coating finished product by using a metal barrel.

The rotating speed of the stirring device is controlled to be 60-80r/min, and the rotating speed of the stirring device is controlled to be 60-80r/min, so that the stirring and mixing effects can be realized, and more bubbles caused by too high rotating speed can be prevented.

In S1, 200 parts of silicate, 220 parts of titanium dioxide, 80 parts of inorganic emulsion and 40 parts of cellulose are mixed and stirred for 8-10min, and then 220 parts of water is added, so that the silicate, the titanium dioxide, the inorganic emulsion and the cellulose are fully mixed, and after water is added, all the substances are mixed more uniformly, and the caking is prevented.

When the prepared inorganic coating finished product is filled, sealed and packaged in S4, a metal barrel or a PVC plastic barrel can be used for sealing and packaging, and the metal barrel or the PVC plastic barrel can be used for sealing and packaging the inorganic coating finished product, has stronger protective performance, and cannot be cracked or damaged due to slight collision in the transportation process; the PVC plastic barrel is lighter in weight, the overall mass can be reduced, and transportation is facilitated.

The prepared inorganic coating is subjected to product detection, and the detection results are shown in the following table:

detecting items	Technical index	Test results
			State in the container	Stirring without hardening and in uniform state	Qualified
Workability	Multiple coating without obstacle	Multiple coating without obstacle
			Appearance of coating film	The appearance is smooth	Is normal
Contrast ratio	>0.90	0.98
			Thermal storage stability (30d)	No agglomeration, coagulation and mildewing	No abnormality
Washing and brushing resistance/times	≥2000	>5000
			Water resistance (168h)	Has no bubble, crack or peeling	No abnormality
Alkali resistance (168h)	Has no bubble, crack or peeling	No abnormality
			Temperature resistant change (10 times)	Has no bubble, crack or peeling	No abnormality
Resistance to soiling/%)	≤10	3
			Fire resistance	Has no bubble, crack or peeling	No abnormality

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.