CN110922821A - Moisture-proof, anti-falling and spot-rust-free interfacial agent and preparation method thereof - Google Patents
Moisture-proof, anti-falling and spot-rust-free interfacial agent and preparation method thereof Download PDFInfo
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- CN110922821A CN110922821A CN201911298308.8A CN201911298308A CN110922821A CN 110922821 A CN110922821 A CN 110922821A CN 201911298308 A CN201911298308 A CN 201911298308A CN 110922821 A CN110922821 A CN 110922821A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D125/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Coating compositions based on derivatives of such polymers
- C09D125/02—Homopolymers or copolymers of hydrocarbons
- C09D125/04—Homopolymers or copolymers of styrene
- C09D125/08—Copolymers of styrene
- C09D125/14—Copolymers of styrene with unsaturated esters
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
Abstract
The embodiment of the invention provides a moisture-proof anti-falling and rust-free interface agent and a preparation method thereof, the moisture-proof anti-falling and rust-free interface agent is used after being opened, is quick in construction and high in adhesion, integrates the functions of nail hole rust prevention and interface treatment, only needs to be brushed once, is easy to construct, saves working hours, and effectively solves the problems of mildew, yellowing, cracking and falling of putty and emulsion paint caused by nail hole rust on various composite boards such as suspended ceilings and the like and moisture regain on base layers such as cement and the like, wherein hydroxyethyl cellulose and a thickening agent generate a compound synergistic effect, the storage stability of the whole system is improved through synergistic thickening, and the moisture-proof anti-falling and rust-free interface agent can be stored for 30 days without layering.
Description
Technical Field
The invention belongs to the field of interior decoration, and particularly relates to a moisture-proof, anti-falling and rust-free interface agent and a preparation method thereof.
Background
The suspended ceiling is an important part of indoor decoration and plays an important role in the decoration of the whole living room. The top surface of the room is properly decorated, not only can beautify the indoor environment, but also can create a colorful indoor space art. Besides the decoration function, the suspended ceiling also has the functions of heat preservation, heat insulation, sound insulation and sound absorption, and is a hidden layer for projects such as electric, ventilation air-conditioning, communication fire prevention, alarm pipeline equipment and the like.
The house ornamentation furred ceiling can be divided into light steel joist gypsum board furred ceiling, mineral wool board furred ceiling, splint furred ceiling, the rectangular aluminium pinch plate furred ceiling of dysmorphism, square lacquer aluminous pinch plate furred ceiling, colored drawing glass furred ceiling, aluminium honeycomb perforation abatvoix furred ceiling and full room double entry furred ceiling etc. according to the difference of decorative board material, and above-mentioned furred ceiling all need use screw or iron nail in the installation.
The construction process of the existing suspended ceiling is as follows: firstly, installing the suspended ceiling by using screws or iron nails, then carrying out rust-pointing and rust-preventing treatment on the screws and the iron nails by using mixed paint and the like, carrying out interface treatment after the paint is dried, and finally, puttying. The existing process often has the situation that a putty layer turns yellow and falls off, and if the putty layer is light, rusty spots appear on the suspended ceiling, so that the attractiveness is influenced; the heavy iron nail is not hard up, the problem that fossil fragments and furred ceiling drop can appear.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a moisture-proof, anti-falling and rust-free interface agent and a preparation method thereof.
According to the moisture-proof anti-falling and anti-spot-rust interface agent disclosed by the embodiment of the first aspect of the invention, the moisture-proof anti-falling and anti-spot-rust interface agent can be used immediately after being opened, is quick to construct and high in adhesion, can prevent nail holes from rusting, and saves working hours.
A moisture-proof, anti-falling and rust-free interface agent comprises the following preparation raw materials in parts by weight:
hydroxyethyl cellulose: 0.1 to 0.3 part by weight,
multifunctional amine modifiers: 0.1 to 0.3 part by weight,
styrene-acrylic emulsion: 20 to 30 parts of (a) a water-soluble polymer,
wetting agent: 0.2 to 0.4 part by weight,
dispersing agent: 0.2 to 0.4 part by weight,
film-forming auxiliary agent: 0.8 to 1.5 parts of,
defoaming agent: 0.3 to 0.5 part by weight,
heavy calcium carbonate: 30 to 50 parts of (a) a water-soluble polymer,
quartz sand: 10-20 parts of (A) a water-soluble polymer,
thickening agent: 0.4 to 0.8 part by weight,
and (3) sterilization preservative: 0.3 to 0.6 part by weight,
black paste: 0.1 to 0.2 part by weight,
flash rust preventive: 0.1 to 0.5 part by weight,
water: 10-20 parts.
The moisture-proof, anti-falling and rust-free interface agent provided by the embodiment of the invention at least has the following technical effects:
because the suspended ceiling is a plate such as a splint, the adhesion force between the surface of the splint and the putty is low, and the putty is easy to fall off. In the traditional ceiling construction, the iron nails are required to be brushed with the antirust paint, interface treatment is carried out after the paint is dried, and finally putty is applied to shield the iron nails. The interface treatment refers to coating on a base surface (including iron nail holes) by using an interface agent, and aims to increase the bonding force between the ceiling surface and putty.
The moisture-proof anti-falling and rust-free interface agent provided by the embodiment of the invention combines the functions of nail hole rust prevention and interface treatment into a whole, only needs one-time brush coating, is easy to construct, saves working hours, and effectively solves the problems of mildew, yellowing, cracking and falling of putty and emulsion paint caused by nail hole rust on various composite boards such as suspended ceilings and the like and moisture regain on cement base layers.
Wherein, the hydroxyethyl cellulose and the thickening agent generate a compound synergistic effect, the storage stability of the whole system is improved by the synergistic thickening, and the hydroxyethyl cellulose and the thickening agent can be stored for 30 days without layering.
In the moisture-proof, anti-falling and rust-free interface agent provided by the embodiment of the invention, the proportion of the prepared raw materials enables the percentage of the volume content of the filler to the volume content of the emulsion to be optimal.
Wherein, the emulsion type can be pure benzene emulsion, styrene-acrylic emulsion and butylbenzene emulsion, and the emulsion needs to meet the following conditions: tg value is 5-35 ℃, solid content is 40-55%, and particle size is less than or equal to 0.1 mu m.
According to some embodiments of the invention, the hydroxyethyl cellulose is translonylene hydroxyethyl cellulose 250 HBR.
According to some embodiments of the invention, the multifunctional amine modulator is Angus AMP-95.
According to some embodiments of the present invention, the styrene acrylic emulsion comprises at least one of basf 7530 and basf 7536.
According to some embodiments of the invention, the wetting agent comprises at least one of sannopraceae SN996 and clariant 407.
According to some embodiments of the invention, the dispersant is at least one of dow CA-2500 and 5040.
According to some embodiments of the invention, the coalescent is a dodecyl alcohol ester.
According to some embodiments of the invention, the coalescing agent is at least one of Runtai C-12, homemade C-12.
According to some embodiments of the invention, the antiseptic preservative is at least one of trojan PW40 and dime 103S.
According to some embodiments of the invention, the antifoaming agent is basf's T2410 AG.
According to some embodiments of the present invention, the ground calcium carbonate is sourced at 800 mesh.
According to some embodiments of the invention, the quartz sand is Xinlianxing snowflake white 80 mesh.
According to some embodiments of the invention, the thickener is Rohm and Haas ASE-60.
According to some embodiments of the invention, the black paste is Craine N-131.
According to some embodiments of the invention, the flash rust inhibitor is FR5100 available from shanghai pradess.
According to the second aspect of the invention, the preparation method of the moisture-proof, anti-falling and rust-free interface agent comprises the following steps:
s1: under the condition of a first stirring speed, sequentially adding water, hydroxyethyl cellulose and a multifunctional amine regulator into a dispersion cylinder, and continuously stirring for at least 10 min;
s2: adding the styrene-acrylic emulsion, the wetting agent, the dispersing agent, the film-forming assistant and the sterilizing preservative into the dispersion cylinder of the step S1 in sequence, and continuously stirring for at least 10 min;
s3: adjusting the stirring speed to be a second stirring speed, sequentially adding heavy calcium carbonate and quartz sand, adjusting the stirring speed to be a third stirring speed, continuously stirring for at least 10min, sequentially adding a defoaming agent and a thickening agent, and continuously stirring for 15-20 min;
s4: adding black paste and the anti-flash rust agent, and stirring uniformly at a third stirring speed to obtain the moisture-proof, anti-falling and anti-spot rust interface agent.
In step S1, a clean dispersion cylinder meeting the standard should be selected.
In step S3, after the heavy calcium carbonate and the quartz sand are put in, the edge of the cylinder should be shoveled to ensure that the powder is not wrapped and agglomerated. Continuously stirring for 15-20 min until the mixture is uniform and has no agglomeration, and sieving with a 40-mesh sieve to obtain 0.
And step S4, stirring for 8-10 min at a third stirring speed until the color is uniform, controlling the viscosity at 4000-5000 CPS/25 ℃ and the solid content at 68-70%, and obtaining the moisture-proof, anti-falling and rust-free interface agent.
Detailed Description
The following are specific examples of the present invention, and the technical solutions of the present invention will be further described with reference to the examples, but the present invention is not limited to the examples.
Example 1
The example provides a moisture-proof, anti-falling and rust-free interface agent, which comprises the following preparation raw materials in parts by weight:
hydroxyethyl cellulose: 0.1 part, multifunctional amine regulator: 0.1 part, styrene-acrylic emulsion: 20 parts, wetting agent: 0.2 part, dispersant: 0.2 part, film-forming assistant: 0.8 part, defoaming agent: 0.3 part, heavy calcium carbonate: 30 parts of quartz sand: 10 parts of a thickening agent: 0.4 part, sterilizing preservative: 0.3 part of black paste: 0.1 part, flash rust inhibitor: 0.1 part, water: 10 parts.
Example 2
The example provides a moisture-proof, anti-falling and rust-free interface agent, which comprises the following preparation raw materials in parts by weight:
hydroxyethyl cellulose: 0.2 part, multifunctional amine regulator: 0.2 part, styrene-acrylic emulsion: 25 parts, wetting agent: 0.3 part, dispersant: 0.3 part, film-forming assistant: 1.2 parts, defoaming agent: 0.4 part, heavy calcium carbonate: 40 parts of quartz sand: 15 parts of a thickening agent: 0.6 part, sterilizing preservative: 0.45 part of black paste: 0.15 part, flash rust inhibitor: 0.3 part, water: 15 parts.
Example 3
The example provides a moisture-proof, anti-falling and rust-free interface agent, which comprises the following preparation raw materials in parts by weight:
hydroxyethyl cellulose: 0.3 part, multifunctional amine modifier: 0.3 part, styrene-acrylic emulsion: 30 parts, wetting agent: 0.4 part, dispersant: 0.4 part, film-forming assistant: 1.5 parts, defoaming agent: 0.5 part, heavy calcium carbonate: 50 parts of quartz sand: 20 parts of a thickening agent: 0.8 part, sterilizing preservative: 0.6 part of black paste: 0.2 part, flash rust inhibitor: 0.5 part, water: and 20 parts.
Example 4
The embodiment provides a preparation method of a moisture-proof, anti-falling and rust-free interface agent, which comprises the following steps:
s1: under the condition of a first stirring speed, sequentially adding water, hydroxyethyl cellulose and a multifunctional amine regulator into a dispersion cylinder, and continuously stirring for at least 10 min;
s2: adding the styrene-acrylic emulsion, the wetting agent, the dispersing agent, the film-forming assistant and the sterilizing preservative into the dispersion cylinder of the step S1 in sequence, and continuously stirring for at least 10 min;
s3: adjusting the stirring speed to be a second stirring speed, sequentially adding heavy calcium carbonate and quartz sand, adjusting the stirring speed to be a third stirring speed, continuously stirring for at least 10min, sequentially adding a defoaming agent and a thickening agent, and continuously stirring for 15-20 min;
s4: adding black paste and the anti-flash rust agent, and stirring uniformly at a third stirring speed to obtain the moisture-proof, anti-falling and anti-spot rust interface agent.
In step S1, a clean dispersion cylinder meeting the standard should be selected.
In step S3, after the heavy calcium carbonate and the quartz sand are put in, the edge of the cylinder should be shoveled to ensure that the powder is not wrapped and agglomerated. Continuously stirring for 15-20 min until the mixture is uniform and has no agglomeration, and sieving with a 40-mesh sieve to obtain 0.
And step S4, stirring for 8-10 min at a third stirring speed until the color is uniform, controlling the viscosity at 4000-5000 CPS/25 ℃ and the solid content at 68-70%, and obtaining the moisture-proof, anti-falling and rust-free interface agent.
Example 5
The example specifically prepares a moisture-proof, anti-falling and rust-free interface agent, and the preparation raw materials comprise:
10 parts of purified water, 0.2 part of hydroxyethyl cellulose, 0.1 part of multifunctional amine regulator, 30 parts of styrene-acrylic emulsion, 0.2 part of wetting agent, 0.2 part of dispersing agent, 1.3 parts of film-forming additive, 0.3 part of sterilizing preservative, 0.3 part of defoaming agent, 37 parts of heavy calcium carbonate, 20 parts of quartz sand, 0.4 part of thickening agent, 0.1 part of black paste and 0.1 part of flash rust inhibitor.
The preparation process comprises the following steps:
selecting a clean dispersion tank meeting the standard, sequentially adding purified water, styrene-acrylic emulsion, a wetting agent, a dispersing agent, a film-forming auxiliary agent, a sterilization preservative and a multifunctional amine regulator, starting a dispersion machine, and stirring at a low speed of 600r/min) for 5-10 minutes;
adding heavy calcium carbonate and quartz sand under medium-speed stirring (800r/min), shoveling the edge of a cylinder to ensure that the powder is not covered and agglomerated, then dispersing at high speed (1500r/min) for 10min, adding a defoaming agent and a thickening agent, and continuously stirring for 15-20 min until the powder is uniform and free of agglomeration (the balance of a 40-mesh sieve is 0);
after the fineness is qualified, sequentially adding black paste and an anti-flash rust agent, continuously stirring at high speed (1500r/min) for 8-10 min until the color is uniform, controlling the viscosity at 4000-5000 CPS/25 ℃ and controlling the solid content at 68-70%, and obtaining a finished product.
Example 6
The example specifically prepares a moisture-proof, anti-falling and rust-free interface agent, and the preparation raw materials comprise:
13 parts of purified water, 0.3 part of hydroxyethyl cellulose, 0.3 part of multifunctional amine regulator, 25 parts of styrene-acrylic emulsion, 0.3 part of wetting agent, 0.5 part of dispersing agent, 1.0 part of film-forming assistant, 0.6 part of sterilizing preservative, 0.4 part of defoaming agent, 39.6 parts of heavy calcium carbonate, 18 parts of quartz sand, 0.4 part of thickening agent, 0.2 part of black paste and 0.4 part of anti-flash rust agent.
The preparation process comprises the following steps:
selecting a clean dispersion tank meeting the standard, sequentially adding purified water, styrene-acrylic emulsion, a wetting agent, a dispersing agent, a film-forming auxiliary agent, a sterilization preservative and a multifunctional amine regulator, starting a dispersion machine, and stirring at a low speed of 600r/min) for 5-10 minutes;
adding heavy calcium carbonate and quartz sand under medium-speed stirring (800r/min), shoveling the edge of a cylinder to ensure that the powder is not covered and agglomerated, then dispersing at high speed (1500r/min) for 10min, adding a defoaming agent and a thickening agent, and continuously stirring for 15-20 min until the powder is uniform and free of agglomeration (the balance of a 40-mesh sieve is 0);
after the fineness is qualified, sequentially adding black paste and an anti-flash rust agent, continuously stirring at high speed (1500r/min) for 8-10 min until the color is uniform, controlling the viscosity at 4000-5000 CPS/25 ℃ and controlling the solid content at 68-70%, and obtaining a finished product.
Example 7
The example specifically prepares a moisture-proof, anti-falling and rust-free interface agent, and the preparation raw materials comprise:
15 parts of purified water, 0.25 part of hydroxyethyl cellulose, 0.15 part of multifunctional amine regulator, 26 parts of styrene-acrylic emulsion, 0.2 part of wetting agent, 0.4 part of dispersing agent, 1.5 parts of film-forming additive, 0.6 part of sterilizing preservative, 0.5 part of defoaming agent, 35.5 parts of heavy calcium carbonate, 19 parts of quartz sand, 0.6 part of thickening agent, 0.2 part of black paste and 0.3 part of anti-flash rust agent.
The preparation process comprises the following steps:
selecting a clean dispersion tank meeting the standard, sequentially adding purified water, styrene-acrylic emulsion, a wetting agent, a dispersing agent, a film-forming auxiliary agent, a sterilization preservative and a multifunctional amine regulator, starting a dispersion machine, and stirring at a low speed of 600r/min) for 5-10 minutes;
adding heavy calcium carbonate and quartz sand under medium-speed stirring (800r/min), shoveling the edge of a cylinder to ensure that the powder is not covered and agglomerated, then dispersing at high speed (1500r/min) for 10min, adding a defoaming agent and a thickening agent, and continuously stirring for 15-20 min until the powder is uniform and free of agglomeration (the balance of a 40-mesh sieve is 0);
after the fineness is qualified, sequentially adding black paste and an anti-flash rust agent, continuously stirring at high speed (1500r/min) for 8-10 min until the color is uniform, controlling the viscosity at 4000-5000 CPS/25 ℃ and controlling the solid content at 68-70%, and obtaining a finished product.
Example 8
The example specifically prepares a moisture-proof, anti-falling and rust-free interface agent, and the preparation raw materials comprise:
18 parts of purified water, 0.18 part of hydroxyethyl cellulose, 0.22 part of multifunctional amine regulator, 28 parts of styrene-acrylic emulsion, 0.35 part of wetting agent, 0.35 part of dispersing agent, 1.25 parts of film-forming additive, 0.55 part of sterilizing preservative, 0.45 part of defoaming agent, 34.2 parts of heavy calcium carbonate, 15 parts of quartz sand, 0.8 part of thickening agent, 0.2 part of black paste and 0.45 part of flash rust inhibitor.
The preparation process comprises the following steps:
selecting a clean dispersion tank meeting the standard, sequentially adding purified water, styrene-acrylic emulsion, a wetting agent, a dispersing agent, a film-forming auxiliary agent, a sterilization preservative and a multifunctional amine regulator, starting a dispersion machine, and stirring at a low speed of 600r/min) for 5-10 minutes;
adding heavy calcium carbonate and quartz sand under medium-speed stirring (800r/min), shoveling the edge of a cylinder to ensure that the powder is not covered and agglomerated, then dispersing at high speed (1500r/min) for 10min, adding a defoaming agent and a thickening agent, and continuously stirring for 15-20 min until the powder is uniform and free of agglomeration (the balance of a 40-mesh sieve is 0);
after the fineness is qualified, sequentially adding black paste and an anti-flash rust agent, continuously stirring at high speed (1500r/min) for 8-10 min until the color is uniform, controlling the viscosity at 4000-5000 CPS/25 ℃ and controlling the solid content at 68-70%, and obtaining a finished product.
Example 9
The example specifically prepares a moisture-proof, anti-falling and rust-free interface agent, and the preparation raw materials comprise:
20 parts of purified water, 0.18 part of hydroxyethyl cellulose, 0.22 part of multifunctional amine regulator, 22 parts of styrene-acrylic emulsion, 0.3 part of wetting agent, 0.3 part of dispersing agent, 1.45 parts of film-forming additive, 0.5 part of sterilizing preservative, 0.3 part of defoaming agent, 35.4 parts of heavy calcium carbonate, 18 parts of quartz sand, 0.7 part of thickening agent, 0.2 part of black paste and 0.45 part of flash rust inhibitor.
The preparation process comprises the following steps:
selecting a clean dispersion tank meeting the standard, sequentially adding purified water, styrene-acrylic emulsion, a wetting agent, a dispersing agent, a film-forming auxiliary agent, a sterilization preservative and a multifunctional amine regulator, starting a dispersion machine, and stirring at a low speed of 600r/min) for 5-10 minutes;
adding heavy calcium carbonate and quartz sand under medium-speed stirring (800r/min), shoveling the edge of a cylinder to ensure that the powder is not covered and agglomerated, then dispersing at high speed (1500r/min) for 10min, adding a defoaming agent and a thickening agent, and continuously stirring for 15-20 min until the powder is uniform and free of agglomeration (the balance of a 40-mesh sieve is 0);
after the fineness is qualified, sequentially adding black paste and an anti-flash rust agent, continuously stirring at high speed (1500r/min) for 8-10 min until the color is uniform, controlling the viscosity at 4000-5000 CPS/25 ℃ and controlling the solid content at 68-70%, and obtaining a finished product.
Comparative example 1
The example specifically prepares a moisture-proof, anti-falling and rust-free interface agent, and the preparation raw materials comprise:
10 parts of purified water, 0.2 part of hydroxyethyl cellulose, 0.1 part of multifunctional amine regulator, 30 parts of styrene-acrylic emulsion, 0.2 part of wetting agent, 0.2 part of dispersing agent, 1.3 parts of film-forming additive, 0.3 part of sterilizing preservative, 0.3 part of defoaming agent, 37 parts of heavy calcium carbonate, 20 parts of quartz sand, 0.1 part of black paste and 0.1 part of anti-flash rust agent.
The preparation process comprises the following steps:
selecting a clean dispersion tank meeting the standard, sequentially adding purified water, styrene-acrylic emulsion, a wetting agent, a dispersing agent, a film-forming auxiliary agent, a sterilization preservative and a multifunctional amine regulator, starting a dispersion machine, and stirring at a low speed of 600r/min) for 5-10 minutes;
adding heavy calcium carbonate and quartz sand under medium-speed stirring (800r/min), shoveling the edge of a cylinder to ensure that the powder is not covered and agglomerated, then dispersing at high speed (1500r/min) for 10min, adding a defoaming agent and a thickening agent, and continuously stirring for 15-20 min until the powder is uniform and free of agglomeration (the balance of a 40-mesh sieve is 0);
after the fineness is qualified, sequentially adding black paste and an anti-flash rust agent, continuously stirring at high speed (1500r/min) for 8-10 min until the color is uniform, controlling the viscosity at 4000-5000 CPS/25 ℃ and controlling the solid content at 68-70%, and obtaining a finished product.
Comparative example 2
The example specifically prepares a moisture-proof, anti-falling and rust-free interface agent, and the preparation raw materials comprise:
10 parts of purified water, 0.1 part of multifunctional amine regulator, 30 parts of styrene-acrylic emulsion, 0.2 part of wetting agent, 0.2 part of dispersing agent, 1.3 parts of film-forming additive, 0.3 part of sterilizing preservative, 0.3 part of defoaming agent, 37 parts of heavy calcium carbonate, 20 parts of quartz sand, 0.4 part of thickening agent, 0.1 part of black paste and 0.1 part of anti-flash rust agent.
The preparation process comprises the following steps:
selecting a clean dispersion tank meeting the standard, sequentially adding purified water, styrene-acrylic emulsion, a wetting agent, a dispersing agent, a film-forming auxiliary agent, a sterilization preservative and a multifunctional amine regulator, starting a dispersion machine, and stirring at a low speed of 600r/min) for 5-10 minutes;
adding heavy calcium carbonate and quartz sand under medium-speed stirring (800r/min), shoveling the edge of a cylinder to ensure that the powder is not covered and agglomerated, then dispersing at high speed (1500r/min) for 10min, adding a defoaming agent and a thickening agent, and continuously stirring for 15-20 min until the powder is uniform and free of agglomeration (the balance of a 40-mesh sieve is 0);
after the fineness is qualified, sequentially adding black paste and an anti-flash rust agent, continuously stirring at high speed (1500r/min) for 8-10 min until the color is uniform, controlling the viscosity at 4000-5000 CPS/25 ℃ and controlling the solid content at 68-70%, and obtaining a finished product.
Performance testing
The moisture-proof, anti-falling and rust-free interface agent prepared in example 5 is subjected to performance test, and the performance index test result is as follows:
the moisture, falling and rust free interfacial agent prepared in example 5 was compared with the same industry products, and the results are shown in the following table:
the detection method comprises the following steps: the performance index refers to JC/T907-. According to the comparison result and the performance test, the moisture-proof, anti-falling and rust-free interface agent is a product which can be used after being opened, is quick to construct, has high adhesion, prevents nail holes from rusting and saves working hours, and meanwhile, all performance indexes of the product meet the national standard.
The above examples describe in detail preferred embodiments of the present invention, but the present invention is not limited to the details of the above embodiments, and those skilled in the art may make various equivalent substitutions or simple modifications within the scope of the technical idea of the present invention, and fall within the protection scope of the present invention.
Claims (10)
1. The moisture-proof anti-falling rust-free interfacial agent is characterized by comprising the following preparation raw materials in parts by weight:
hydroxyethyl cellulose: 0.1 to 0.3 part by weight,
multifunctional amine modifiers: 0.1 to 0.3 part by weight,
styrene-acrylic emulsion: 20 to 30 parts of (a) a water-soluble polymer,
wetting agent: 0.2 to 0.4 part by weight,
dispersing agent: 0.2 to 0.4 part by weight,
film-forming auxiliary agent: 0.8 to 1.5 parts of,
defoaming agent: 0.3 to 0.5 part by weight,
heavy calcium carbonate: 30 to 50 parts of (a) a water-soluble polymer,
quartz sand: 10-20 parts of (A) a water-soluble polymer,
thickening agent: 0.4 to 0.8 part by weight,
and (3) sterilization preservative: 0.3 to 0.6 part by weight,
black paste: 0.1 to 0.2 part by weight,
flash rust preventive: 0.1 to 0.5 part by weight,
water: 10-20 parts.
2. The moisture, drip and rust resistant interfacial agent according to claim 1, wherein said styrene-acrylic emulsion comprises at least one of basf 7530 and basf 7536.
3. The moisture and rust resistant interfacial agent according to claim 1, wherein said wetting agent comprises at least one of sannopraceae SN996 and clariant 407.
4. The moisture, fall and rust resistant interfacial agent according to claim 1, wherein said dispersant is at least one of dow CA-2500 and 5040.
5. The moisture, drip and rust resistant interfacial agent of claim 1, wherein said film forming aid is a dodecanol ester.
6. The moisture, drip and rust resistant interfacial agent according to claim 1, wherein said antimicrobial preservative is at least one of trojan PW40 and dime 103S.
7. The preparation method of the moisture-proof, drop-proof and spot-rust-free interfacial agent according to claim 1, which comprises the following steps:
s1: under the condition of a first stirring speed, sequentially adding water, hydroxyethyl cellulose and a multifunctional amine regulator into a dispersion cylinder, and continuously stirring for at least 10 min;
s2: adding the styrene-acrylic emulsion, the wetting agent, the dispersing agent, the film-forming assistant and the sterilizing preservative into the dispersion cylinder of the step S1 in sequence, and continuously stirring for at least 10 min;
s3: adjusting the stirring speed to be a second stirring speed, sequentially adding heavy calcium carbonate and quartz sand, adjusting the stirring speed to be a third stirring speed, continuously stirring for at least 10min, sequentially adding a defoaming agent and a thickening agent, and continuously stirring for 15-20 min;
s4: adding black paste and the anti-flash rust agent, and stirring uniformly at a third stirring speed to obtain the moisture-proof, anti-falling and anti-spot rust interface agent.
8. The preparation method of the moisture-proof, falling-proof and spot-rust-free interfacial agent according to claim 7, wherein the first stirring speed is 550-650 rpm.
9. The preparation method of the moisture-proof, falling-proof and spot rust-free interfacial agent according to claim 7, wherein the second stirring speed is 750-850 rpm.
10. The preparation method of the moisture-proof, falling-proof and spot rust-free interfacial agent according to claim 7, wherein the third stirring speed is 1400-1600 rpm.
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| CN112375435A (en) * | 2020-11-05 | 2021-02-19 | 广州市鲁班建筑科技集团股份有限公司 | Waterproof and mildewproof wall repairing composition and preparation method thereof |
| CN116004068A (en) * | 2022-12-22 | 2023-04-25 | 紫荆花涂料（上海）有限公司 | Water-based ready-mixed paint and preparation method and application thereof |
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