Energy-saving and emission-reducing functional powder coating capable of being conveniently mixed on construction site and preparation method thereof

Abstract

The invention discloses an energy-saving and emission-reducing functional powder coating capable of being conveniently mixed on a construction site and a preparation method of the energy-saving and emission-reducing functional powder coating. The environment-friendly paint is prepared from the following substances in parts by weight: 50 to 60 parts of efficient compound alkali powder, 18 to 22 parts of pigment, 18 to 22 parts of filler, 4 to 5 parts of coalescing agent, 0.5 to 0.8 part of natural cellulose, 0.1 to 0.3 part of dry powder defoaming agent, 0.1 to 0.3 part of dry powder biological mildew preventive, 5 to 8 parts of silver ion antibacterial agent, 15 to 20 parts of plant essential oil mixture, 0.5 to 1 part of negative ion powder and 0.3 to 0.5 part of dispersing agent. The powder coating has the beneficial effects that the powder coating is simple to package, the quality guarantee period is as long as three to five years, the transportation cost is low, the powder coating can be flexibly mastered according to the dosage during site construction, the waste of the coating is reduced, construction tools, packaging barrels and the like can be repeatedly used for assisting copolymerization, and the inorganic nano silver ion antibacterial agent is added into the coating, so that the coating is environment-friendly and pollution-free. The antibacterial and mildew-proof effects of the coating can be effectively improved, the bactericidal, antimicrobial and antiviral properties of the coating are improved, and the plant essential oil mixture can effectively prolong the durability of releasing plant fragrance and the antibacterial durability.

Description

Technical Field

[0001] The invention relates to the technical field of stucco coatings, and in particular to a functional powder coating which can save energy and reduce emissions and can be conveniently mixed on site, and a preparation method thereof. Background Art

[0002] Traditional latex paint commonly used in the market is a petrochemical product. During the production and use process, it not only consumes a lot of precious oil, but also pollutes the environment and releases a lot of carbon dioxide. Most of the liquid paints are packaged in plastic barrels and iron barrels, which contain water, increasing freight costs. They are prone to leakage during transportation and have a short shelf life. The shelf life of unused paint after opening the barrel is even shorter, causing waste.

[0003] And with the improvement of people's living standards and the enhancement of health and environmental awareness, higher requirements are placed on the functionality and environmental health of home coatings. Offices and home bedrooms are the spaces where people spend the most time working and resting. The environmental health of the coatings in the rooms is directly related to people's physical health. Therefore, people now have higher requirements on the environmental health of building wall coatings. To this end, the present application proposes a functional powder coating that can be easily mixed on site for energy saving and emission reduction. Summary of the invention

[0004] The object of the present invention is to provide a functional powder coating that can be easily mixed on site and save energy and reduce emissions, and a preparation method thereof, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a functional powder coating that saves energy and reduces emissions and can be conveniently mixed on site. The components include the following substances by weight: 50-60 parts of high-efficiency composite alkali powder, 18-22 parts of pigment, 18-22 parts of filler, 4-5 parts of film-forming aid, 0.5-0.8 parts of natural cellulose, 0.1-0.3 parts of dry powder defoamer, 0.1-0.3 parts of dry powder biological mildew inhibitor, 5-8 parts of silver ion antibacterial agent, 15-20 parts of plant essential oil mixture, 0.5-1 parts of negative ion powder and 0.3-0.5 parts of dispersant.

[0006] Preferably, the pigment is one of lithopone, rutile titanium dioxide and anatase titanium dioxide, among which lithopone is preferred.

[0007] Preferably, the filler is a mixture of one or more of wollastonite powder, talc powder and heavy calcium.

[0008] Preferably, the silver ion antibacterial agent is an inorganic nano silver antibacterial agent LD940, and the pH value of the silver ion antibacterial agent is 4-5.

[0009] Preferably, the film-forming aid is one of natural rubber powder, fluorozirconate and fluorozirconic acid, preferably natural rubber powder.

[0010] Preferably, the dispersant is at least one of a polycarboxylate sodium salt dispersant, methyl cellulose, sodium carboxymethyl cellulose and hydroxyethyl cellulose.

[0011] A method for preparing a functional powder coating that can be easily mixed on site for energy saving and emission reduction, comprising the following steps:

[0012] S1. Weigh the corresponding amounts of high-efficiency composite alkali powder, pigment, filler, natural cellulose and negative ion powder according to the formula, grind them in a tank, and sieve them for later use;

[0013] S2. Weigh the film-forming aid, dry powder defoamer, dry powder biocide, silver ion antibacterial agent, plant essential oil mixture and dispersant, add them to the tank in S1 and mix thoroughly, adjust the pH value and then bag and seal for storage.

[0014] Preferably, in step S1, the particle size of the high-efficiency composite alkali powder, pigment, filler and natural cellulose after grinding is less than 80 meshes.

[0015] Preferably, the pH value of the coating after adjustment in step S2 is 6-7.

[0016] Compared with the prior art, the beneficial effects of the present invention are: the powder coating is simple to package, has a shelf life of up to three to five years, has low freight costs, can be flexibly controlled according to the amount used during on-site construction, reduces coating waste, and construction tools and packaging barrels and other auxiliary copolymers can also be reused. Inorganic nano silver ion antibacterial agent is added to the coating, which can effectively improve the antibacterial and mildew-proof effect of the coating, and improve the bactericidal, antimicrobial and antiviral properties of the coating. The plant essential oil mixture can effectively prolong the persistence of the release of plant aroma and the antibacterial persistence. DETAILED DESCRIPTION

[0017] The present invention is described in detail below, and the technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] The present invention is described in detail below, and the technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] The present invention provides a technical solution:

[0020] A functional powder coating that saves energy and reduces emissions and can be conveniently mixed on site, wherein the components include the following substances by weight: 50-60 parts of high-efficiency composite alkali powder, 18-22 parts of pigment, 18-22 parts of filler, 4-5 parts of film-forming aid, 0.5-0.8 parts of natural cellulose, 0.1-0.3 parts of dry powder defoamer, 0.1-0.3 parts of dry powder biological mildew inhibitor, 5-8 parts of silver ion antibacterial agent, 15-20 parts of plant essential oil mixture, 0.5-1 parts of negative ion powder and 0.3-0.5 parts of dispersant;

[0021] The negative ions in the negative ion powder can be released slowly over a long period of time. In the medical field, negative ions are called "air vitamins". They can improve the function of the cerebral cortex, boost spirits, eliminate fatigue, improve sleep, enhance appetite, excite the parasympathetic nervous system, and improve work efficiency. Inhaling negative ions can lower blood sugar, cholesterol, blood potassium and other levels, promote the growth and development of the body, and can effectively eliminate smoke, eliminate air odors, eliminate toxic gases produced by decoration, and improve environmental pollution.

[0022] The pigment is one of lithopone, rutile titanium dioxide and anatase titanium dioxide, among which lithopone is preferred.

[0023] The filler is a mixture of one or more of wollastonite powder, talcum powder and heavy calcium.

[0024] The silver ion antibacterial agent is an inorganic nano silver antibacterial agent LD940, and the pH value of the silver ion antibacterial agent is 4-5.

[0025] The film-forming aid is one of natural rubber powder, fluorozirconate and fluorozirconic acid, preferably natural rubber powder.

[0026] Wherein, the dispersant is at least one of a polycarboxylate sodium salt type dispersant, methyl cellulose, sodium carboxymethyl cellulose and hydroxyethyl cellulose.

[0027] A method for preparing a functional powder coating that can be easily mixed on site for energy saving and emission reduction, comprising the following steps:

[0028] S1. Weigh the corresponding amounts of high-efficiency composite alkali powder, pigment, filler, natural cellulose and negative ion powder according to the formula, grind them in a tank, and sieve them for later use;

[0029] S2. Weigh the film-forming aid, dry powder defoamer, dry powder biocide, silver ion antibacterial agent, plant essential oil mixture and dispersant, add them to the tank in S1 and mix thoroughly, adjust the pH value and then bag and seal for storage.

[0030] Wherein, in step S1, the particle size of the high-efficiency composite alkali powder, pigment, filler and natural cellulose after grinding is less than 80 meshes.

[0031] Wherein, the pH value of the coating after adjustment in step S2 is 6-7.

[0032] Embodiment 1:

[0033] The components of the functional powder coating include the following substances by weight: 50 parts of high-efficiency composite alkali powder, 18 parts of lead powder, 18 parts of wollastonite powder, 4 parts of natural rubber powder, 0.5 parts of natural cellulose, 0.1 parts of dry powder defoamer, 0.1 parts of dry powder biological mildew inhibitor, 5 parts of silver ion antibacterial agent, 15 parts of plant essential oil mixture, 0.5 parts of negative ion powder and 0.3 parts of polycarboxylate sodium salt dispersant;

[0034] The preparation method is as follows: take 50 parts of high-efficiency composite alkali powder, 18 parts of lead powder, 18 parts of wollastonite powder, 0.5 parts of natural cellulose and 0.5 parts of negative ion powder in corresponding amounts, put them in a tank body for grinding, and pass them through an 80-mesh sieve for later use; add 4 parts of natural rubber powder, 0.1 parts of dry powder defoamer, 0.13 parts of dry powder biological mildew inhibitor, 5 parts of silver ion antibacterial agent, 15 parts of plant essential oil mixture and 0.3 parts of polycarboxylic acid sodium salt type dispersant into the tank body and mix them thoroughly, adjust the pH value to 6, then pack and seal for storage, and when in use, take out the powder coating, add water and mix thoroughly until there is no dry powder particles, and then powder the soil.

[0035] Embodiment 2:

[0036] The components of the functional powder coating include the following substances by weight: 55 parts of high-efficiency composite alkali powder, 20 parts of rutile titanium dioxide, 20 parts of talc, 4.5 parts of fluorozirconate, 0.6 parts of natural cellulose, 0.3 parts of dry powder defoamer, 0.2 parts of dry powder biological mildew inhibitor, 6 parts of silver ion antibacterial agent, 18 parts of plant essential oil mixture, 0.7 parts of negative ion powder and 0.4 parts of carboxymethyl cellulose;

[0037] The preparation method comprises the following steps: taking 55 parts of high-efficiency composite alkali powder, 20 parts of rutile titanium dioxide, 20 parts of talcum powder, 0.6 parts of natural cellulose and 0.7 parts of negative ion powder in corresponding amounts, grinding them in a tank body, passing through an 80-mesh sieve for later use; adding 4.5 parts of fluorozirconate, 0.2 parts of dry powder defoamer, 0.2 parts of dry powder biological mildew inhibitor, 6 parts of silver ion antibacterial agent, 18 parts of plant essential oil mixture and 0.4 parts of methyl cellulose into the tank body and mixing them thoroughly; adjusting the pH value to 6.5, bagging and sealing the bag for storage; and taking out the powder coating and adding water to mix the mixture thoroughly until there are no dry powder particles before powdering the soil.

[0038] Embodiment 3:

[0039] The components of the functional powder coating include the following substances by weight: 60 parts of high-efficiency composite alkali powder, 22 parts of anatase titanium dioxide, 22 parts of heavy calcium, 5 parts of fluorozirconic acid, 0.8 parts of natural cellulose, 0.3 parts of dry powder defoamer, 0.3 parts of dry powder biological mildew inhibitor, 8 parts of silver ion antibacterial agent, 20 parts of plant essential oil mixture, 1 part of negative ion powder and 0.5 parts of sodium carboxymethyl cellulose;

[0040] The preparation method comprises the following steps: taking 60 parts of high-efficiency composite alkali powder, 22 parts of anatase titanium dioxide, 22 parts of heavy calcium, 0.8 parts of natural cellulose and 1 part of negative ion powder in corresponding amounts, grinding them in a tank body, and passing them through an 80-mesh sieve for later use; adding 5 parts of fluorozirconic acid, 0.3 parts of dry powder defoamer, 0.3 parts of dry powder biological mildew inhibitor, 8 parts of silver ion antibacterial agent, 20 parts of plant essential oil mixture and 0.5 parts of sodium carboxymethyl cellulose into the tank body and mixing them thoroughly; adjusting the pH value to 7 and then bagging and sealing the bag for storage; and when using the bag, taking out the powder coating, adding water and mixing the mixture thoroughly until there are no dry powder particles, and then powdering the powder.

[0041] The above description enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A functional powder coating that saves energy and reduces emissions and can be easily mixed on site, characterized in that: The components include the following substances by weight: 50-60 parts of high-efficiency composite alkali powder, 18-22 parts of pigment, 18-22 parts of filler, 4-5 parts of film-forming aid, 0.5-0.8 parts of natural cellulose, 0.1-0.3 parts of dry powder defoamer, 0.1-0.3 parts of dry powder biological mildew inhibitor, 5-8 parts of silver ion antibacterial agent, 15-20 parts of plant essential oil mixture, 0.5-1 parts of negative ion powder and 0.3-0.5 parts of dispersant.

2. The energy-saving and emission-reducing functional powder coating according to claim 1, which can be conveniently mixed on site, is characterized in that: The pigment is one of lithopone, rutile titanium dioxide and anatase titanium dioxide, among which lithopone is preferred.

3. The energy-saving and emission-reducing functional powder coating according to claim 1, which can be conveniently mixed on site, is characterized in that: The filler is a mixture of one or more of wollastonite powder, talc powder and heavy calcium.

4. The energy-saving and emission-reducing functional powder coating according to claim 1, which can be conveniently mixed on site, is characterized in that: The silver ion antibacterial agent is an inorganic nano silver antibacterial agent LD940, and the pH value of the silver ion antibacterial agent is 4-5.

5. The energy-saving and emission-reducing functional powder coating according to claim 1, which can be conveniently mixed on site, is characterized in that: The film-forming aid is one of natural rubber powder, fluorozirconate and fluorozirconic acid, preferably natural rubber powder.

6. The energy-saving and emission-reducing functional powder coating according to claim 1, which can be conveniently mixed on site, is characterized in that: The dispersant is at least one of a polycarboxylate sodium salt type dispersant, methyl cellulose, sodium carboxymethyl cellulose and hydroxyethyl cellulose.

7. A method for preparing a functional powder coating that can be easily mixed on site for energy saving and emission reduction, characterized in that: The following steps are involved: S1. Weigh the corresponding amounts of high-efficiency composite alkali powder, pigment, filler, natural cellulose and negative ion powder according to the formula, grind them in a tank, and sieve them for later use; S2. Weigh the film-forming aid, dry powder defoamer, dry powder biocide, silver ion antibacterial agent, plant essential oil mixture and dispersant, add them to the tank in S1 and mix thoroughly, adjust the pH value and then bag and seal for storage.

8. The method for preparing a functional powder coating that can be conveniently mixed on site for energy saving and emission reduction according to claim 7, characterized in that: In the step S1, the particle size of the high-efficiency composite alkali powder, pigment, filler and natural cellulose after grinding is less than 80 meshes.

9. The method for preparing a functional powder coating that can be conveniently mixed on site for energy saving and emission reduction according to claim 7, characterized in that: The pH value of the coating after adjustment in step S2 is 6-7.