阅读说明：本技术 一种高附着净味阳台专用底漆及其制备方法 (High-adhesion odor-free special primer for balcony and preparation method thereof ) 是由 陈晨凯 林昌庆 陈祥朋 田山山 王洪雷 陈剑伟 郭全坚 于 2021-11-02 设计创作，主要内容包括：本发明涉及一种高附着净味阳台专用底漆,由以下原料组成：纯水、凹凸棒土、纤维素、PH调节剂、分散剂、润湿剂、消泡剂、钛白粉、700目重钙、防腐剂、纯水、增稠剂、乙二醇、特种乳液、苯丙乳液、成膜助剂、防腐剂和消泡剂；通过乳液及助剂种类筛选和用量配比研究,开发出一种高附着净味阳台专用底漆及制备方法,该产品不仅具有健康、净味和高附着力的阳台专用底漆,符合室内净味阳台和户外耐候的底漆要求,同时具有层间附着力的施工性能。(The invention relates to a high-adhesion odor-free special primer for a balcony, which is prepared from the following raw materials: pure water, attapulgite, cellulose, a pH regulator, a dispersant, a wetting agent, a defoaming agent, titanium dioxide, 700-mesh coarse whiting, a preservative, pure water, a thickening agent, ethylene glycol, special emulsion, styrene-acrylic emulsion, a film-forming assistant, a preservative and a defoaming agent; through the screening of the types of the emulsion and the auxiliary agent and the research of the proportion of the dosage, the high-adhesion odor-free special primer for the balcony and the preparation method are developed.)

1. The high-adhesion odor-free primer special for the balcony is characterized by comprising the following raw materials in parts by weight:

2. the primer for high-adhesion odorless balcony as claimed in claim 1, wherein the attapulgite is a thixotropic anti-settling thickener which is prepared from natural rare minerals by a special high-tech process, and the main component of the attapulgite is crystalline hydrated magnesium aluminum silicate. Has good anti-settling and thickening effects in an aqueous system.

3. The primer for high adhesion and odor-free balcony special as claimed in claim 1, wherein the cellulose is high-density hydroxyethyl cellulose, and belongs to nonionic soluble cellulose ethers.

4. The primer special for the balcony, which is high in adhesion and odor removal performance, as recited in claim 1, wherein the pH regulator is a low-odor multifunctional amine neutralizer which has the functions of neutralizing and stabilizing the pH value, promoting the gloss of a paint film and improving the in-tank anti-retest performance;

the dispersant is one or more of environment-friendly sodium polycarboxylate dispersants with good dispersibility and anti-settling property, and is mixed in any proportion;

the wetting agent is one or two of nonionic surfactant or anionic surfactant which are mixed in any proportion;

the defoaming agent is one or a combination of two of a mineral oil defoaming agent and an organic silicon defoaming agent in any proportion;

the titanium dioxide is rutile titanium dioxide which is subjected to good dispersion and inorganic coating surface treatment by using silicon oxide and aluminum oxide, and has the advantages of high whiteness, high covering, high weather resistance and light resistance, good dispersibility, strong fluidity and simple production process;

the heavy calcium carbonate is 700-mesh heavy calcium carbonate, and can provide high adhesive force with a base material;

the particles of the precipitated barium sulfate are 1500 meshes, so that the permeability of the primer can be improved;

the alkali-resistant agent is modified rosin resin, so that the primer has a certain waterproof alkali-resistant effect, the color and quality of the paint of the primer can be effectively kept stable, and the water seepage and alkali rising of indoor balconies are avoided.

5. The primer specially used for the balcony, which is high in adhesion and odor removal performance, according to claim 1, wherein the special emulsion is a styrene-acrylic emulsion specially used for the primer, and has excellent high strength, so that the emulsion has a superior tear-resistant effect. The crosslinking mechanism endows the emulsion with excellent alkali resistance and salting-out resistance, the special functional monomer has strong adhesive force with the base material, and the APEO is not contained, so the emulsion is comprehensive and environment-friendly and can be used for indoor balconies.

6. The primer for high adhesion and odor-free balcony special as claimed in claim 1, wherein the emulsion is a high weather-resistant styrene-acrylic emulsion, the styrene-acrylic emulsion is used as a base material, the precipitated barium sulfate with a large specific gravity is used as a main filler, and the two materials are mutually matched to improve the penetrability of the primer and the adhesion between the primer and the base material.

7. The primer for high-adhesion odorless balcony as claimed in claim 1, wherein the film-forming aid is a high-boiling-point film-forming aid with high film-forming property.

8. The high-adhesion and odor-free primer specially used for balconies as claimed in claim 1, wherein the thickener is alkali swelling associated thickener and polyurethane, hydrophobic group modified nonionic thickener for associative thickening and leveling.

9. The primer special for the balcony, which is high in adhesion and odor removal performance, as claimed in claim 1, wherein the silica aerogel is an ideal transparent heat insulation material, and after the silica aerogel is added into the primer, the silica aerogel can be matched with nano zinc oxide, polyvinylidene fluoride and isooctyltriethoxysilane, so as to achieve a good compounding synergistic effect, and a very compact and stable multi-stage heat insulation structure is formed in the primer, so that the primer has a good heat insulation effect in the using process.

10. A method for preparing the primer for high adhesion odorless balcony special according to any one of claims 1 to 9, wherein the method comprises the following steps:

step S1: adding 18-22 parts of deionized water, 0.4-0.5 part of attapulgite and 0.3-0.4 part of cellulose into a dispersion cylinder, stirring by using a low-speed stirrer, continuously dispersing for 3-6min at a speed of 500r/min recommended to be 300-;

step S2: firstly, gradually reducing the temperature to 28-37 ℃, slowly adding 0.08-0.12 part of PH regulator, 0.3-0.4 part of dispersant, 0.14-0.17 part of wetting agent, 0.18-0.22 part of defoamer, 19-23 parts of 1500-mesh precipitated barium sulfate and 3-5 parts of alkali-resistant agent, adjusting the rotating speed of a high-speed stirrer to 800-;

step S3: when the dispersion system is completely dispersed, adding 5.0-6.0 parts of titanium dioxide and 16-19 parts of 700-mesh coarse whiting, adjusting the rotating speed of a high-speed stirrer to 1100-1300r/min, continuously dispersing for 10-15min, gradually increasing the temperature during stirring, and finally stabilizing the temperature at 37-40 ℃;

step S4: adjusting the rotating speed of a high-speed stirrer to be 800-950r/min, slowly adding 0.09-0.11 part of preservative, 0.09-0.11 part of deionized water, 0.7-1.2 parts of ethylene glycol, 0.3-0.5 part of antifreezing agent, 36-44 parts of styrene-acrylic emulsion, 0-4 parts of special emulsion, 2.2-2.6 parts of film-forming auxiliary agent, 0.45-0.55 part of preservative, 0.18-0.22 part of defoaming agent and 9.5-11.0 parts of deionized water in the continuous dispersion process, and continuously dispersing for 8-15min to obtain a uniform and particle-free mixed system;

step S5: adding 4-6 parts of isooctyltriethoxysilane, 1-4 parts of polyvinylidene fluoride, 2-5 parts of nano zinc oxide and 4-7 parts of silicon dioxide aerogel into the mixed system, adjusting the rotating speed of a low-speed stirrer to 560 + 730r/min, stirring for 4-6min, adding 3-6 parts of nano carbon powder, continuously dispersing for 6-14min by using a high-speed stirrer 1000 + 1350r/min, and cooling to the room temperature state to obtain the high-adhesion odorless special primer for the balcony.

Technical Field

The invention relates to the field of primers, in particular to a high-adhesion odor-free primer special for a balcony and a preparation method thereof.

Background

The balcony is equivalent to a half naked space, and the weather is blown in the air all the year round, and the biological comprehensive damage is caused by illumination, cold air, wind and rain, bacteria and the like, so that the defects of easy paint film falling, color change, cracks and the like are overcome. The complex environment requires the primer to have stronger adhesive force, and the primer with high adhesive force can improve the binding force between a latex paint film and a wall surface and prevent the phenomena of peeling, falling off and the like of the wall surface caused by insufficient adhesive force. Meanwhile, modern society has higher and higher requirements on the attractiveness of walls, if the primer has good adhesive force, the wall surface can be smoother, the finish paint can be more easily coated, the using amount of the finish paint is reduced, the decoration cost is saved, meanwhile, the generation of wall paint diseases can be avoided, the coating effect can be kept for a longer time, the temperature difference between the indoor and outdoor surfaces is larger in summer and winter, and the primer is required to have good heat preservation and insulation effects.

Environmental protection consciousness is deep in people's mind, and the health concept becomes the point of primary concern of the masses, and indoor balconies are all compared under the urbanization trend, and compared with the previous period, the primer faces the new health challenges of meeting zero formaldehyde, zero VOC, net flavor and the like, and meets the standard of the healthy inner wall.

In order to solve the problems in the prior art, the invention provides the special high-adhesion odorless balcony primer and the preparation method thereof, and the special high-adhesion odorless balcony primer solves the technical problems of weather resistance, high adhesion, odorless, health and comprehensive heat insulation performance.

Disclosure of Invention

The invention aims to provide a high-adhesion odor-free special primer for a balcony and a preparation method thereof, and aims to solve the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: the high-adhesion odorless special primer for the balcony is prepared from the following raw materials in parts by weight:

furthermore, the attapulgite is a thixotropic anti-settling thickener and is processed by natural rare minerals through a high-tech special process, and the main component of the attapulgite is crystalline hydrated magnesium aluminum silicate. The water-based anti-settling thickening agent has good anti-settling and thickening effects in a water-based system;

further, the cellulose is high-density hydroxyethyl cellulose, and belongs to nonionic soluble cellulose ethers.

Furthermore, the pH regulator is a low-odor multifunctional amine neutralizer which has the advantages of neutralizing and stabilizing the pH value, promoting the gloss of a paint film to be displayed and improving the in-tank anti-retesting performance.

The dispersant is one or more of environment-friendly sodium polycarboxylate dispersants with good dispersibility and anti-settling property, and is mixed in any proportion;

the wetting agent is one or two of nonionic surfactant or anionic surfactant which are mixed in any proportion;

the defoaming agent is one or a combination of two of a mineral oil defoaming agent and an organic silicon defoaming agent in any proportion.

The titanium dioxide is rutile titanium dioxide which is subjected to good dispersion and inorganic coating surface treatment by using silicon oxide and aluminum oxide, and has the advantages of high whiteness, high covering, high weather resistance and light resistance, good dispersibility, strong fluidity and simple production process;

the heavy calcium carbonate is 700-mesh heavy calcium carbonate, and can provide high adhesive force with a base material;

the particles of the precipitated barium sulfate are 1500 meshes, so that the permeability of the primer can be improved;

the alkali-resistant agent is modified rosin resin, so that the primer has a certain waterproof alkali-resistant effect, the color and quality of the paint of the primer can be effectively kept stable, and the water seepage and alkali rising of indoor balconies are avoided.

Furthermore, the special emulsion is a special styrene-acrylic emulsion for the primer, and has excellent high strength, so that the emulsion has an outstanding tear-resistant effect. The crosslinking mechanism endows the emulsion with excellent alkali resistance and salting-out resistance, the special functional monomer has strong adhesive force with the base material, and the APEO is not contained, so the emulsion is comprehensive and environment-friendly and can be used for indoor balconies.

Furthermore, the emulsion is high weather resistant styrene-acrylic emulsion, the styrene-acrylic emulsion is used as a base material, the precipitated barium sulfate with high specific gravity is used as a main filler, and the styrene-acrylic emulsion and the precipitated barium sulfate are matched with each other to improve the penetrability of the primer and the adhesive force between the primer and the base material.

Further, the preservative is a compound isothiazolinone bactericide which does not contain organic volatile compounds (VOC) and has excellent heat resistance,

further, the antifreeze is a grafted ethoxylate, and has excellent moisture retention, wetting and frost resistance.

Further, the film-forming assistant is a high-boiling-point film-forming assistant with high film-forming property.

Furthermore, the thickener is alkali swelling association type thickener and polyurethane, hydrophobic group modified nonionic thickener association type thickening and leveling.

Furthermore, the silicon dioxide aerogel is an ideal transparent heat insulation material, after the silicon dioxide aerogel is added into the primer, the silicon dioxide aerogel can be matched with the nano zinc oxide, the polyvinylidene fluoride and the isooctyl triethoxysilane, so that a good compounding synergistic effect is achieved, a very compact and stable multi-stage heat insulation structure is formed in the primer, and the primer has a good heat insulation effect in the using process.

Further, the preparation method of the high-adhesion odor-free special primer for the balcony is characterized by comprising the following steps of:

step S1: adding 18-22 parts of deionized water, 0.4-0.5 part of attapulgite and 0.3-0.4 part of cellulose into a dispersion cylinder, stirring by using a low-speed stirrer, continuously dispersing for 3-6min at a speed of 500r/min recommended to be 300-;

step S2: firstly, gradually reducing the temperature to 28-37 ℃, slowly adding 0.08-0.12 part of PH regulator, 0.3-0.4 part of dispersant, 0.14-0.17 part of wetting agent, 0.18-0.22 part of defoamer, 19-23 parts of 1500-mesh precipitated barium sulfate and 3-5 parts of alkali-resistant agent, adjusting the rotating speed of a high-speed stirrer to 800-;

step S3: when the dispersion system is completely dispersed, adding 5.0-6.0 parts of titanium dioxide and 16-19 parts of 700-mesh coarse whiting, adjusting the rotating speed of a high-speed stirrer to 1100-1300r/min, continuously dispersing for 10-15min, gradually increasing the temperature during stirring, and finally stabilizing the temperature at 37-40 ℃;

step S4: adjusting the rotating speed of a high-speed stirrer to be 800-950r/min, slowly adding 0.09-0.11 part of preservative, 0.09-0.11 part of deionized water, 0.7-1.2 parts of ethylene glycol, 0.3-0.5 part of antifreezing agent, 36-44 parts of styrene-acrylic emulsion, 0-4 parts of special emulsion, 2.2-2.6 parts of film-forming auxiliary agent, 0.45-0.55 part of preservative, 0.18-0.22 part of defoaming agent and 9.5-11.0 parts of deionized water in the continuous dispersion process, and continuously dispersing for 8-15min to obtain a uniform and particle-free mixed system;

step S5: adding 4-6 parts of isooctyltriethoxysilane, 1-4 parts of polyvinylidene fluoride, 2-5 parts of nano zinc oxide and 4-7 parts of silicon dioxide aerogel into the mixed system, adjusting the rotating speed of a low-speed stirrer to 560 + 730r/min, stirring for 4-6min, adding 3-6 parts of nano carbon powder, continuously dispersing for 6-14min by using a high-speed stirrer 1000 + 1350r/min, and cooling to the room temperature state to obtain the high-adhesion odorless special primer for the balcony.

Compared with the prior art, the invention has the beneficial effects that: through the research of screening and dosage proportion of various emulsions and additives, the selected special emulsion and styrene-acrylic emulsion, the conjunction effect of the whole system and the research of the proportion of each component, the high-adhesion odor-free special primer coating for the balcony is developed, and the primer shows excellent high-strength and tear-resistant effects and has alkali resistance and salting-out resistance. The special functional monomer has strong adhesive force with the base material, does not contain APEO, is comprehensive and environment-friendly, and can be used for indoor balconies. Therefore, the product not only has the indoor coating performances of health, smell removal and high adhesion, but also meets the requirement of high weather resistance of an external wall coating, and simultaneously has the construction performance of excellent interlayer adhesion, thereby providing protection for walls and improving the brushing property of finish paint. The nano carbon powder has good conductivity and adsorbability, so that the primer has a certain filtering effect, peculiar smell is avoided, and meanwhile, the nano carbon powder also has a certain curing effect, so that the primer is not easy to crack and fall off. The nano zinc oxide, the polyvinylidene fluoride and the isooctyl triethoxysilane can be matched with each other to form a very compact and stable multi-stage heat insulation structure in the primer, so that the product also has a good heat insulation effect.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described, 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.

The invention provides a technical scheme that: the high-adhesion odorless special primer for the balcony is prepared from the following raw materials in parts by weight:

furthermore, the attapulgite is a thixotropic anti-settling thickener and is processed by natural rare minerals through a high-tech special process, and the main component of the attapulgite is crystalline hydrated magnesium aluminum silicate. The water-based anti-settling thickening agent has good anti-settling and thickening effects in a water-based system;

further, the cellulose is high-density hydroxyethyl cellulose, and belongs to nonionic soluble cellulose ethers.

Furthermore, the pH regulator is a low-odor multifunctional amine neutralizer which has the advantages of neutralizing and stabilizing the pH value, promoting the gloss of a paint film to be displayed and improving the in-tank anti-retesting performance.

The dispersant is one or more of environment-friendly sodium polycarboxylate dispersants with good dispersibility and anti-settling property, and is mixed in any proportion;

the wetting agent is one or two of nonionic surfactant or anionic surfactant which are mixed in any proportion;

the defoaming agent is one or a combination of two of a mineral oil defoaming agent and an organic silicon defoaming agent in any proportion.

The titanium dioxide is rutile titanium dioxide which is subjected to good dispersion and inorganic coating surface treatment by using silicon oxide and aluminum oxide, and has the advantages of high whiteness, high covering, high weather resistance and light resistance, good dispersibility, strong fluidity and simple production process;

the heavy calcium carbonate is 700-mesh heavy calcium carbonate, and can provide high adhesive force with a base material;

the particles of the precipitated barium sulfate are 1500 meshes, so that the permeability of the primer can be improved;

the alkali-resistant agent is modified rosin resin, so that the primer has a certain waterproof alkali-resistant effect, the color and quality of the paint of the primer can be effectively kept stable, and the water seepage and alkali rising of indoor balconies are avoided.

Furthermore, the special emulsion is a special styrene-acrylic emulsion for the primer, and has excellent high strength, so that the emulsion has an outstanding tear-resistant effect. The crosslinking mechanism endows the emulsion with excellent alkali resistance and salting-out resistance, the special functional monomer has strong adhesive force with the base material, and the APEO is not contained, so the emulsion is comprehensive and environment-friendly and can be used for indoor balconies.

Furthermore, the emulsion is high weather resistant styrene-acrylic emulsion, the styrene-acrylic emulsion is used as a base material, the precipitated barium sulfate with high specific gravity is used as a main filler, and the styrene-acrylic emulsion and the precipitated barium sulfate are matched with each other to improve the penetrability of the primer and the adhesive force between the primer and the base material.

Further, the preservative is a compound isothiazolinone bactericide which does not contain organic volatile compounds (VOC) and has excellent heat resistance,

further, the antifreeze is a grafted ethoxylate, and has excellent moisture retention, wetting and frost resistance.

Further, the film-forming assistant is a high-boiling-point film-forming assistant with high film-forming property.

Furthermore, the thickener is alkali swelling association type thickener and polyurethane, hydrophobic group modified nonionic thickener association type thickening and leveling.

Furthermore, the silicon dioxide aerogel is an ideal transparent heat insulation material, after the silicon dioxide aerogel is added into the primer, the silicon dioxide aerogel can be matched with the nano zinc oxide, the polyvinylidene fluoride and the isooctyl triethoxysilane, so that a good compounding synergistic effect is achieved, a very compact and stable multi-stage heat insulation structure is formed in the primer, and the primer has a good heat insulation effect in the using process.

Further, the preparation method of the high-adhesion odor-free special primer for the balcony is characterized by comprising the following steps of:

step S1: adding 18-22 parts of deionized water, 0.4-0.5 part of attapulgite and 0.3-0.4 part of cellulose into a dispersion cylinder, stirring by using a low-speed stirrer, continuously dispersing for 3-6min at a speed of 500r/min recommended to be 300-;

step S2: firstly, gradually reducing the temperature to 28-37 ℃, slowly adding 0.08-0.12 part of PH regulator, 0.3-0.4 part of dispersant, 0.14-0.17 part of wetting agent, 0.18-0.22 part of defoamer, 19-23 parts of 1500-mesh precipitated barium sulfate and 3-5 parts of alkali-resistant agent, adjusting the rotating speed of a high-speed stirrer to 800-;

step S3: when the dispersion system is completely dispersed, adding 5.0-6.0 parts of titanium dioxide and 16-19 parts of 700-mesh coarse whiting, adjusting the rotating speed of a high-speed stirrer to 1100-1300r/min, continuously dispersing for 10-15min, gradually increasing the temperature during stirring, and finally stabilizing the temperature at 37-40 ℃;

step S4: adjusting the rotating speed of a high-speed stirrer to be 800-950r/min, slowly adding 0.09-0.11 part of preservative, 0.09-0.11 part of deionized water, 0.7-1.2 parts of ethylene glycol, 0.3-0.5 part of antifreezing agent, 36-44 parts of styrene-acrylic emulsion, 0-4 parts of special emulsion, 2.2-2.6 parts of film-forming auxiliary agent, 0.45-0.55 part of preservative, 0.18-0.22 part of defoaming agent and 9.5-11.0 parts of deionized water in the continuous dispersion process, and continuously dispersing for 8-15min to obtain a uniform and particle-free mixed system;

step S5: adding 4-6 parts of isooctyltriethoxysilane, 1-4 parts of polyvinylidene fluoride, 2-5 parts of nano zinc oxide and 4-7 parts of silicon dioxide aerogel into the mixed system, adjusting the rotating speed of a low-speed stirrer to 560 + 730r/min, stirring for 4-6min, adding 3-6 parts of nano carbon powder, continuously dispersing for 6-14min by using a high-speed stirrer 1000 + 1350r/min, and cooling to the room temperature state to obtain the high-adhesion odorless special primer for the balcony.

The following raw material sources for each of the following examples:

example 1

The high-adhesion odorless special primer for the balcony is prepared from the following raw materials in parts by weight:

manufacturing process

Adding 20 parts of deionized water, 0.45 part of attapulgite and 0.35 part of cellulose into a dispersion cylinder, stirring by adopting a low-speed stirrer, continuously dispersing for 3-6min at a speed of 500r/min suggested as 300-;

gradually reducing the temperature to 28-37 ℃, slowly adding 0.1 part of pH regulator, 0.35 part of dispersant, 0.15 part of wetting agent, 0.2 part of defoaming agent, 21 parts of 1500-mesh precipitated barium sulfate and 4 parts of alkali-resistant agent, adjusting the rotating speed of a high-speed stirrer to 800-mesh 950r/min, and continuously dispersing for 5-10 min;

thirdly, after the dispersion system is completely dispersed, adding 5.5 parts of titanium dioxide and 18 parts of 700-mesh coarse whiting, adjusting the rotating speed of a high-speed stirrer to 1100-1300r/min, continuously dispersing for 10-15min, gradually raising the temperature during stirring, and finally stabilizing the temperature at 37-40 ℃;

adjusting the rotating speed of the high-speed stirrer to be 800-950r/min, slowly adding 0.1 part of preservative, 0.1 part of deionized water, 0.22 part of thickening agent, 0.8 part of ethylene glycol, 0.4 part of antifreezing agent, 38 parts of phenylpropyl emulsion, 2 parts of special emulsion, 2.4 parts of film-forming auxiliary agent, 0.5 part of preservative, 0.2 part of defoaming agent and 10.18 parts of deionized water in the continuous dispersion process, and continuously dispersing for 8-15min to obtain a uniform and particle-free mixed system;

and fifthly, adding 5 isooctyltriethoxysilane, 3 polyvinylidene fluoride, 4 nanometer zinc oxide and 6 silicon dioxide aerogel into the combined system, adjusting the rotating speed of a low-speed stirrer to 560 + 730r/min, stirring for 4-6min, adding 5 nanometer carbon powder, continuously dispersing for 6-14min by using a high-speed stirrer for 1000 + 1350r/min, and cooling to the room temperature state to obtain the primer special for the high-adhesion odorless balcony.

Example 2

The manufacturing process comprises the following steps:

adding 20 parts of deionized water, 0.4 part of attapulgite and 0.3 part of cellulose into a dispersion cylinder, stirring by adopting a low-speed stirrer, continuously dispersing for 3-6min at the speed of 500r/min recommended to be 300-;

sixthly, gradually reducing the temperature to 28-37 ℃, slowly adding 0.1 part of pH regulator, 0.35 part of dispersant, 0.15 part of wetting agent, 0.2 part of defoaming agent, 22 parts of 1500-mesh precipitated barium sulfate and 4 parts of alkali-resistant agent, and continuously dispersing for 5-10min when the rotation speed of the whole high-speed stirrer reaches 800-;

seventhly, after the dispersion system is completely dispersed, adding 6 parts of titanium dioxide and 19 parts of heavy calcium carbonate with 700 meshes, adjusting the rotating speed of a high-speed stirrer to be 1100-1300r/min, continuously dispersing for 10-15min, gradually increasing the temperature during stirring, and finally stabilizing the temperature at 37-40 ℃;

eighthly, adjusting the rotating speed of the high-speed stirrer to be 800 plus 950r/min, slowly adding 0.1 part of preservative, 0.1 part of deionized water, 0.22 part of thickening agent, 1.2 parts of ethylene glycol, 36 parts of styrene-acrylic emulsion, 4 parts of special emulsion, 2.4 parts of film-forming auxiliary agent, 0.5 part of preservative, 0.2 part of defoaming agent and 8.78 parts of deionized water in the continuous dispersion process, and continuously dispersing for 8-15min to obtain a uniform and particle-free mixed system;

ninthly, adding 4 isooctyltriethoxysilane, 3 polyvinylidene fluoride, 3 nanometer zinc oxide and 5 silicon dioxide aerogel into the mixing system, adjusting the rotating speed of a low-speed stirrer to 560 + 730r/min, stirring for 4-6min, adding 4 nanometer carbon powder, using a high-speed stirrer 1000 + 1350r/min, continuously dispersing for 6-14min, and cooling to the room temperature state to obtain the primer special for the high-adhesion odorless balcony.

The test shows that:

the primer specially used for the high-adhesion odorless balcony, which is obtained in the embodiment 1-2, has excellent comprehensive performance in experimental tests, the test data are shown in table 1, and the early-stage water resistance test and the early-stage anti-stripping performance of the masking paper of a matching system are shown in tables 2 and 3

Comprehensive performance test table 1

Early water-proof test table 2 of complete system

Initial anti-peel off of masking paper table 3

Judging the standard: the degree and amount of damage was rated on a numerical scale of 0 to 5, "0" for no damage and "5" for severity. The determination of the four levels of numbers 1, 2, 3, 4 is the best partition to get for the entire range of levels.

The invention has the following beneficial effects:

(1) the special primer for the balcony has high adhesive force, can enable the wall surface to be smoother, enables the finish paint to be easier to brush, reduces the using amount of the finish paint, saves the decoration cost, can avoid the generation of wall paint diseases, and is beneficial to maintaining the brushing effect for a longer time.

(2) The invention has strong matching property with balcony paint, can be used together with common middle-high end balcony paint on the market, has strong inclusion property, and provides DIY service for non-professional users.

(3) The special primer for the balcony has high adhesion and odor purification capacity, alkali resistance and salting-out resistance. The priming paint has certain filter effect, avoids the generation of peculiar smell, and has certain solidification effect simultaneously, so that the priming paint is not easy to crack and fall off. The primer has a heat insulation structure, so that the product also has a good heat insulation effect.

The product of the invention is a product which has no VOC, formaldehyde and odor, completely accords with the environmental protection and health concept, accords with the trend of times and the requirements of the masses, can be used for indoor balcony decoration, and is a safe and healthy coating.

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.