Disclosure of Invention
The invention aims to provide an insecticidal latex paint which adopts a formula which is nontoxic, tasteless, safe and environment-friendly, so that VOC (volatile organic compounds) of the insecticidal latex paint can be reduced, peculiar smell can be removed, and the toxicity of the product can be reduced.
The invention also aims to provide a preparation method of the insecticidal latex paint, which can prepare the insecticidal latex paint with no toxicity, no smell, safety and environmental protection.
The insecticidal latex paint comprises the following components in percentage by weight:
20 to 30 percent of acrylic acid copolymer emulsion
0.5 to 1.0 percent of polycarboxylate
0.2 to 0.5 percent of aromatic-hydrocarbon-based polyether
10 to 25 percent of titanium dioxide
25 to 35 percent of filler
0.2 to 0.5 percent of defoaming agent
0.2 to 0.5 percent of preservative
0.2 to 0.5 percent of mildew preventive
0.2 to 0.5 percent of thickening agent
1 to 2 percent of alcohol ester
0 to 0.2 percent of pH regulator
2 to 3 percent of sanitary preparation
Balance of water
All percentages are by weight.
The sanitary preparation comprises the following components in percentage by weight:
5 to 10 percent of pyrethroid
10 to 25 percent of synergist
0.2 to 0.5 percent of auxiliary agent
2 to 5 percent of ethanol
2 to 5 percent of sulfonate
1 to 5 percent of butylated hydroxytoluene
0.2 to 0.5 percent of defoaming agent
Balance of water
All percentages are by weight.
The preparation method of the insecticidal latex paint comprises the following steps:
(1) mixing water, an auxiliary agent, sulfonate, a defoaming agent and dibutyl hydroxy toluene according to the proportion, and dispersing at a high speed; adding ethanol, pyrethroid and synergist at low speed, and dispersing at medium speed to obtain sanitary preparation;
(2) mixing water, polycarboxylate, aromatic polyether, titanium pigment, filler and defoamer according to the proportion, and dispersing at high speed to be within 50 microns; adding a preservative, a mildew preventive, alcohol ester and acrylic acid copolymer emulsion, and dispersing at medium speed; adjusting the pH value to 6.5-7.5, adding a hygienic preparation, and dispersing at a medium speed; adjusting the viscosity to 95-105 KU, filtering and packaging.
The insecticidal latex paint is prepared by adopting acrylic acid copolymer emulsion, pigment and filler, pyrethroid, synergist and auxiliary agent through a special process, and the product has the characteristics of excellent water and alkali resistance, high covering power, easiness in washing and rubbing, mildew and algae prevention, safety, environmental protection, no toxicity, no odor and the like; also can kill mosquito, fly, cockroach and the like with lasting and high efficiency. The insecticidal latex paint provided by the invention adopts a novel dispersion technology, so that the insecticide component can be dispersed in water, and the prepared insecticidal latex paint has good stability, lasting and efficient insecticidal effect, no toxicity, no odor, safety and environmental friendliness. It is the most scientific, feasible, safe, environment-friendly, nontoxic and tasteless insecticidal latex paint so far.
Detailed Description
To further clarify the technical solutions and effects of the present invention adopted to achieve the intended objects, reference is made to the following detailed description of the invention, which is believed to provide further and specific understanding of the objects, features and characteristics of the invention.
In order to prepare the insecticidal latex paint which is nontoxic, tasteless, safe and environment-friendly, the compatibility of insecticide components and all components of the latex paint is considered, and all performance indexes of the insecticidal latex paint are required to be considered to meet the two standards of GB 18582-.
There are many insecticides available and the mechanism of action is not the same. In order to reduce the drug resistance of insects, knock-down agents with different action mechanisms and lethal agent varieties are selected for compound use, so that the insecticidal effect is improved, the drug resistance of insects is delayed, the insecticidal range is expanded, the toxicity is reduced, the pollution to the environment is reduced, and the health of people is protected. Besides considering the performance, the compatibility of the coating auxiliary agent and the pesticide ingredient must be paid attention to, and besides theoretical demonstration, the coating auxiliary agent also has to be verified through tests.
The formula of the insecticidal latex paint comprises water, acrylic acid copolymer emulsion, polycarboxylate, aryl polyether, titanium dioxide, filler, defoamer, preservative, mildew preventive, thickener, alcohol ester, pH regulator and sanitary preparation, and the insecticidal latex paint comprises the following components in percentage by weight:
20 to 30 percent of acrylic acid copolymer emulsion
0.5 to 1.0 percent of polycarboxylate
0.2 to 0.5 percent of aromatic-hydrocarbon-based polyether
10 to 25 percent of titanium dioxide
25 to 35 percent of filler
0.2 to 0.5 percent of defoaming agent
0.2 to 0.5 percent of preservative
0.2 to 0.5 percent of mildew preventive
0.2 to 0.5 percent of thickening agent
1 to 2 percent of alcohol ester
0 to 0.2 percent of pH regulator
2 to 3 percent of sanitary preparation
Balance of water
All percentages are by weight.
The sanitary preparation comprises the following components in percentage by weight:
5 to 10 percent of pyrethroid
10 to 25 percent of synergist
0.2 to 0.5 percent of auxiliary agent
2 to 5 percent of ethanol
2 to 5 percent of sulfonate
1 to 5 percent of butylated hydroxytoluene
0.2 to 0.5 percent of defoaming agent
Balance of water
All percentages are by weight.
Deionized water is selected for the insecticidal latex paint disclosed by the invention, so that the stability of the product is improved.
The acrylic acid copolymer emulsion can be selected from full acrylic, styrene acrylic, vinyl acetate acrylic or vinyl acetate acrylic, and the like, is relatively stable in neutral environment, has good compatibility with pesticide components, and is also a common bonding material for the conventional emulsion paint.
The filler can be selected from calcium carbonate, talcum powder, kaolin, aluminum silicate, mica powder or a combination thereof.
The thickening agent can be selected from cellulose, acrylic acid and polyurethane.
The pH regulator can be selected from ammonia water or alcohol amine.
The pyrethroid can be selected from beta-cypermethrin, alpha-cypermethrin, permethrin, tetramethrin, permethrin, allethrin, prallethrin, deltamethrin, propynethrin, cypermethrin, resmethrin, and the combination thereof.
The auxiliary agent can be selected from aromatic alkyl polyether, modified silicone and the like.
The synergist can be piperonyl butoxide, octachlorodipropyl ether, phosphorus synergist, etc.
The preparation method of the insecticidal latex paint comprises the following steps:
(1) mixing water, an auxiliary agent, sulfonate, a defoaming agent and dibutyl hydroxy toluene according to the proportion, and dispersing at a high speed; adding ethanol, pyrethroid and synergist at low speed, and dispersing at medium speed to obtain sanitary preparation.
(2) Mixing water, polycarboxylate, aromatic polyether, titanium pigment, filler and defoamer according to the proportion, and dispersing at high speed to be within 50 microns; adding a preservative, a mildew preventive, alcohol ester and acrylic acid copolymer emulsion, and dispersing at medium speed; adjusting the pH value to 6.5-7.5, adding a hygienic preparation, and dispersing at a medium speed; adjusting the viscosity to 95-105 KU, filtering and packaging.
By adopting the formula and the production process, the raw materials are easy to obtain, the process is controllable, the quality is stable, and the cost is lower; the product has good stability, lasting and efficient insecticidal effect, no toxicity, no odor, safety and environmental protection.
The emulsion paint and the preparation method thereof are described in detail in the following by different examples.
Example 1:
14.2Kg of deionized water, 1.5Kg of sulfonate, 1.5Kg of alkylphenol polyether, 1.5Kg of aryl polyether, 2.5Kg of d-allethrin, 0.5Kg of d-cypermethrin, 6.0Kg of piperonyl butoxide, 1.0Kg of ethanol, 1.2Kg of dibutyl hydroxy toluene and 0.1Kg of antifoaming agent are mixed, dispersed and kept for use.
239Kg of deionized water, 5Kg of polycarboxylate, 2Kg of aryl polyether, 200Kg of titanium dioxide, 150Kg of calcium carbonate, 50Kg of talcum powder, 50Kg of kaolin, 3Kg of antifoaming agent, 2Kg of preservative, 2Kg of mildew preventive, 10Kg of alcohol ester and 250Kg of pure acrylic emulsion are taken, mixed and dispersed, 30Kg of the prepared sanitary preparation and a proper amount of Ph regulator are added, 3Kg of hydroxyethyl cellulose and 4Kg of polyether flatting agent are added, mixed and dispersed, and 1000Kg of the insecticidal latex paint is obtained after filtration and packaging.
Example 2:
14.4Kg of deionized water, 1.5Kg of sulfonate, 1.5Kg of alkylphenol polyether, 1.5Kg of aryl polyether, 2.0Kg of beta-cypermethrin, 0.8Kg of d-resmethrin, 6.0Kg of synergistic phosphorus, 1.0Kg of ethanol, 1.2Kg of dibutyl hydroxy toluene and 0.1Kg of antifoaming agent are mixed, dispersed and left for use.
262Kg of deionized water, 5Kg of polycarboxylate, 2Kg of aryl polyether, 150Kg of titanium dioxide, 230Kg of calcium carbonate, 50Kg of talcum powder, 50Kg of aluminum silicate, 3Kg of antifoaming agent, 2Kg of preservative, 2Kg of mildew preventive, 8Kg of alcohol ester and 200Kg of benzene-propylene emulsion are taken, mixed and dispersed, 30Kg of sanitary preparation and a proper amount of Ph regulator are added, 3Kg of hydroxyethyl cellulose and 3Kg of polyether leveling agent are added, mixed and dispersed, filtered and packaged to obtain 1000Kg of the insecticidal latex paint of the invention.
Example 3:
taking 15.0Kg of deionized water, 1.5Kg of sulfonate, 1.5Kg of alkylphenol polyether, 1.5Kg of aromatic polyether, 1.5Kg of propynethrin, 0.2Kg of dextro-phenothrin, 6.5Kg of octachlorodipropyl ether, 1.0Kg of ethanol, 1.2Kg of dibutyl hydroxy toluene and 0.1Kg of defoaming agent, mixing, dispersing and leaving for use.
272Kg of deionized water, 5Kg of polycarboxylate, 2Kg of aromatic polyether, 140Kg of titanium dioxide, 230Kg of calcium carbonate, 50Kg of talcum powder, 50Kg of mica powder, 3Kg of antifoaming agent, 2Kg of preservative, 2Kg of mildew preventive, 8Kg of alcohol ester and 200Kg of vinegar-acrylic emulsion are taken, mixed and dispersed, 30Kg of sanitary preparation and a proper amount of Ph regulator are added, 3Kg of hydroxyethyl cellulose and 3Kg of polyurethane leveling agent are added, mixed and dispersed, filtered and packaged, and 1000Kg of the insecticidal latex paint of the invention is obtained.
The invention disperses the insecticide ingredient in water under the function of the adjuvant, then add into latex paint system, the latex paint of insecticide prepared through this process reduces VOC, has no peculiar smell of organic solvents such as benzene or ketone, etc., because the insecticide is dispersed in water, the particle size of the insecticide ingredient is larger, after the latex paint film-forming, the possibility that the insecticide ingredient is coated by resin is reduced, the insecticidal efficiency is higher, in order to reach certain insecticidal effect, can reduce the consumption of insecticide, therefore reduce the toxicity of the products. The product of the invention is tested to kill culex and flies for 24 hours by more than 90 percent and German cockroach by more than 80 percent, and the product of the invention is tested to be non-toxic. Therefore, the product of the invention really realizes safety, environmental protection, no toxicity and no odor, integrates the insecticidal efficacy with the decoration and protection of the inner wall, avoids the fatigue of people who often spray insecticidal water, is easy and suitable for indoor coating.
The insecticidal latex paint is prepared by adopting acrylic acid copolymer emulsion, pigment and filler, pyrethroid, synergist and auxiliary agent through a special process, and the product has the characteristics of excellent water and alkali resistance, high covering power, easiness in washing and rubbing, mildew and algae prevention, safety, environmental protection, no toxicity, no odor and the like; also can kill mosquito, fly, cockroach and the like with lasting and high efficiency. The insecticidal latex paint provided by the invention adopts a novel dispersion technology, so that the insecticide component can be dispersed in water, and the prepared insecticidal latex paint has good stability, lasting and efficient insecticidal effect, no toxicity, no odor, safety and environmental friendliness. It is the most scientific, feasible, safe, environment-friendly, nontoxic and tasteless insecticidal latex paint so far.
As described above, it will be apparent to those skilled in the art that other various changes and modifications may be made based on the technical solution and concept of the present invention, and all such changes and modifications should fall within the scope of the claims of the present invention.