CN114196325B - Vertical-face anti-skid waterproof coating composition and application thereof, coating and preparation method and application thereof - Google Patents
Vertical-face anti-skid waterproof coating composition and application thereof, coating and preparation method and application thereof Download PDFInfo
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- CN114196325B CN114196325B CN202210135472.2A CN202210135472A CN114196325B CN 114196325 B CN114196325 B CN 114196325B CN 202210135472 A CN202210135472 A CN 202210135472A CN 114196325 B CN114196325 B CN 114196325B
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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
- C09D195/00—Coating compositions based on bituminous materials, e.g. asphalt, tar, pitch
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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
- C09D109/00—Coating compositions based on homopolymers or copolymers of conjugated diene hydrocarbons
- C09D109/06—Copolymers with styrene
- C09D109/08—Latex
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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
- C09D133/00—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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/20—Diluents or solvents
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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
- C09D7/43—Thickening agents
- C09D7/44—Combinations of two or more thickening agents
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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
- C09D7/65—Additives macromolecular
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Abstract
The invention relates to the field of coatings, and discloses a facade antiskid waterproof coating composition and application thereof, a coating and a preparation method and application thereof. The coating composition contains the following components which are stored independently or in a mixed manner: 40-65wt% of SBS modified asphalt emulsion, 20-40wt% of anion emulsion, 8-16wt% of acrylic modified polyurethane emulsion, 3-8wt% of water, 0.3-0.8wt% of thickening agent and 0.3-1.0wt% of auxiliary agent, wherein the thickening agent is prepared from (1-5): 1 thickener I and thickener II. The coating composition provided by the invention has the advantages of water-based environmental protection, anti-sagging of a vertical surface, high bonding strength with a base surface, high peeling and shearing strength of compounding with an asphalt coiled material and the like.
Description
Technical Field
The invention relates to the field of coatings, and particularly relates to a facade antiskid waterproof coating composition and application thereof, a coating and a preparation method and application thereof.
Background
With the increasing demand of urban housing, the underground space of modern buildings is more and more commonly used, the vertical face or the side wall of the underground part is higher and higher, and the vertical face or the side wall is directly or indirectly contacted with an underground water layer and is the key part of waterproof construction.
The vertical waterproof of the underground part generally adopts a plurality of waterproof materials, and the construction is mostly carried out by matching coiled materials with coatings. General waterproof coatings are easy to accumulate at the lower part of a vertical surface, so that the upper part is thin and the lower part is thick, the thickness is not uniform, and the waterproof effect is influenced. The common coating is used with waterproof coiled materials in a composite way, and the coiled materials can slide due to the influence of self weight. In addition, the waterproof layer of the underground part can be subjected to the sedimentation and shearing action of the backfill soil, and under the condition of insufficient binding force, the relative slippage between the coating and the coiled material is easily caused to influence the waterproof effect.
Aiming at an underground facade waterproof system, the existing waterproof coating mainly comprises non-curing waterproof coating (including water-based non-curing), polyurethane waterproof coating and water-emulsion asphalt waterproof coating. The non-curing coating is generally constructed at high temperature, has high energy consumption, large smell, small cohesive force and insufficient bonding strength, and needs to be stripped and fixed. The elevation or side wall is waterproof, the non-curing composite coiled material is adopted, the construction difficulty of high altitude construction is high, after earthwork backfilling, earthwork settlement generates a shearing effect, and if the bonding strength of the coiled material is not high, the coiled material is easy to directly fall off.
The polyurethane waterproof paint is prepared with isocyanate group-containing prepolymer, catalyst, anhydrous assistant, anhydrous stuffing, solvent, etc. and through mixing and other steps. The waterproof coating has good waterproof, anticorrosion and heat insulation effects, is easy to construct, but part of the waterproof coating can release harmful gas in the fixing process and can harm the body for a long time.
The water emulsion type asphalt waterproof coating has the advantages of environmental protection, no pollution, convenient construction, construction on a wet base surface and the like, is developed quickly, but generally has low bonding strength to the base surface, contains inorganic filler mostly and has poor sagging resistance.
Most of the existing coatings are the improvement on the performances of sagging resistance, bonding strength and the like of the coatings and vertical walls or side walls, and the performances of stripping, shearing and the like when the coatings are matched with coils are not considered.
Disclosure of Invention
The invention aims to solve the problems of poor sagging resistance, poor compounding effect of the coil and the coating and the like in the prior art.
In order to achieve the above object, a first aspect of the present invention provides a vertical surface anti-slip and waterproof coating composition comprising the following components stored independently of each other or in a mixture of two or more of them:
40-65wt% of SBS modified asphalt emulsion;
20-40wt% of anionic emulsion;
8-16wt% of acrylic acid modified polyurethane emulsion;
3-8wt% of water;
0.3 to 0.8 weight percent of thickening agent;
0.3 to 1.0 weight percent of auxiliary agent;
the anionic emulsion is at least one of anionic acrylic emulsion and anionic butylbenzene emulsion;
the thickening agent is prepared from (1-5) by weight: 1, wherein the thickening agent I is a cellulose ether thickening agent, and the thickening agent II is an associated polyacrylic acid thickening agent and/or an associated polyurethane thickening agent.
In a second aspect, the present invention provides the use of a coating composition as described in the first aspect for the preparation of a coating.
A third aspect of the present invention provides a method of preparing a coating, the method comprising: mixing the components of the coating composition of the first aspect; the step of mixing the components of the coating composition comprises:
s1: carrying out first mixing on the anionic emulsion and the acrylic modified polyurethane emulsion to obtain a mixture I;
s2: secondly mixing a thickening agent I with the mixture I in the presence of water to obtain a mixture II;
s3: thirdly mixing an auxiliary agent with the mixture II to obtain a mixture III;
s4: fourthly, mixing the thickening agent II with the mixture III to obtain a mixture IV;
s5: and fifthly, mixing the SBS modified asphalt emulsion with the mixture IV.
A fourth aspect of the present invention provides a coating material produced using the production method as described in the third aspect.
The fifth aspect of the invention provides an application of the coating in waterproofing of an underground facade or a side wall of a building, wherein the coating is the coating in the fourth aspect.
The facade antiskid waterproof coating composition provided by the invention has the advantages of water-based environmental protection, facade sagging resistance, high peel strength and shear strength of compounding with asphalt coiled materials and the like, and can effectively improve the slippage phenomenon generated by compounding the coiled materials and the facade of the coating.
In addition, by utilizing the preparation method of the coating, the anti-slip waterproof coating which is water-based, environment-friendly, simple and convenient to construct and matched with a coiled material in a vertical surface can be prepared.
Detailed Description
The endpoints of the ranges and any values disclosed herein are not limited to the precise range or value, and such ranges or values should be understood to encompass values close to those ranges or values. For ranges of values, between the endpoints of each of the ranges and the individual points, and between the individual points may be combined with each other to give one or more new ranges of values, and these ranges of values should be considered as specifically disclosed herein.
As described above, the first aspect of the present invention provides a vertical surface anti-slip and waterproof coating composition, which contains the following components stored independently or in a mixture of two or more of them:
40-65wt% of SBS modified asphalt emulsion;
20-40wt% of anionic emulsion;
8-16wt% of acrylic acid modified polyurethane emulsion;
3-8wt% of water;
0.3 to 0.8 weight percent of thickening agent;
0.3 to 1.0 weight percent of auxiliary agent;
the anionic emulsion is at least one of anionic acrylic emulsion and anionic butylbenzene emulsion;
the thickening agent is prepared from (1-5) by weight: 1, wherein the thickening agent I is a cellulose ether thickening agent, and the thickening agent II is an associated polyacrylic acid thickening agent and/or an associated polyurethane thickening agent.
Preferably, the anionic acrylic emulsion is a pure acrylic emulsion and/or a styrene-acrylic emulsion.
Particularly preferably, the anionic emulsion is at least one selected from the group consisting of BLJ-5619, YC-8098, and stroyofan SD 332N, available from baysian gmbh, kummer corporation, bayonyo gmbh. The inventor finds out through research that the facade skid-resistant waterproof coating product of the invention obtained by adopting the anionic emulsion in the preferred case has better peeling strength and sag resistance.
In order to further improve the sag resistance of the coating composition, preferably, the thickener i is at least one selected from the group consisting of carboxymethyl cellulose, hydroxypropyl methyl cellulose, hydroxyethyl methyl cellulose.
Preferably, the thickener II is a hydrophobic modified associative polyacrylic thickener and/or a hydrophobic modified associative polyurethane thickener.
Preferably, the SBS modified asphalt emulsion is SBS elastomer modified anionic emulsified asphalt.
Preferably, the content of the SBS elastomer in the SBS elastomer-modified anionic emulsified asphalt is 5-10wt% of the total amount of the SBS elastomer-modified anionic emulsified asphalt.
It should be noted that, the SBS elastomer-modified anionic emulsified asphalt of the present invention is not particularly limited, and may be prepared by a technique known in the art or purchased directly.
Illustratively, the present invention provides a method for preparing home-made SBS elastomer modified anionic emulsified asphalt, comprising: mixing the substrate asphalt, the rubber oil, the SBS elastomer and the anionic emulsifier to obtain an asphalt mixed solution; dissolving a stabilizer and a pH regulator in water, heating to obtain an aqueous solution containing the stabilizer, emulsifying the asphalt mixed solution and the aqueous solution containing the stabilizer by a colloid mill, discharging and cooling to obtain SBS elastomer modified anionic emulsified asphalt; or can be prepared by directly mixing commercially available SBS latex with commercially available emulsified asphalt. The present invention has no particular limitation on the kinds and amounts of raw materials involved in the aforementioned homemade method, and those skilled in the art can obtain the raw materials by using the kinds and amounts known in the art, and some specific raw material kinds and corresponding amounts are provided as examples in the following of the present invention, and those skilled in the art should not be construed as limiting the present invention.
Preferably, the glass transition temperature of the anionic emulsion is-15 ℃ to-25 ℃, and the solid content is more than or equal to 50 wt%.
Preferably, the pH value of the acrylic modified polyurethane emulsion is 7-9.
The acrylic modified polyurethane emulsion of the present invention can be obtained by a chemical modification method, or can be purchased directly. The chemical modification method comprises grafting, hybridization and core-shell emulsion polymerization.
Preferably, the acrylic modified polyurethane is selected from at least one of lubotun Sancure AU4050, lubotun Sancure AU4010, lubotun Carboset CA1009, and dow chemical hydralac TS Emulsion.
Preferably, the auxiliary agents comprise a pH regulator, a preservative and mildew inhibitor and a defoaming agent.
The antiseptic and mildew-proof agent can prevent the degradation of water-based paint by microorganisms, and solves a series of problems of mildew, deterioration, odor, emulsion breaking and the like of the paint caused by bacterial infection; the defoaming agent can reduce bubbles of the coating in the production or construction process, and is beneficial to improving the compactness of the coating and improving the appearance of the coating.
Preferably, in the first aspect, the pH adjuster is contained in an amount of 0.1 to 0.3wt%, the corrosion and mildew inhibitor is contained in an amount of 0.1 to 0.3wt%, and the defoaming agent is contained in an amount of 0.1 to 0.4wt%, based on the total weight of the coating composition.
The specific types of the pH adjuster, the preservative and fungicide, and the antifoaming agent are not particularly limited in the present invention, and those skilled in the art can select them according to the known types in the art. Hereinafter, several pH adjusters, corrosion and mildew inhibitors, and antifoaming agents are exemplified in the present invention, and those skilled in the art should not be construed as limiting the present invention.
As mentioned above, the second aspect of the present invention provides the use of a coating composition as described in the first aspect in the preparation of a coating.
As previously mentioned, a third aspect of the present invention provides a method of preparing a coating, the method comprising: mixing the components of the coating composition of the first aspect; the step of mixing the components of the coating composition comprises:
s1: carrying out first mixing on the anionic emulsion and the acrylic modified polyurethane emulsion to obtain a mixture I;
s2: secondly mixing a thickening agent I with the mixture I in the presence of water to obtain a mixture II;
s3: thirdly mixing an auxiliary agent with the mixture II to obtain a mixture III;
s4: fourthly, mixing the thickening agent II with the mixture III to obtain a mixture IV;
s5: and fifthly, mixing the SBS modified asphalt emulsion with the mixture IV.
It should be noted that the definitions and the amounts of the anionic emulsion, the acrylic modified polyurethane emulsion, the SBS modified asphalt emulsion, the thickener I, the thickener II, and the auxiliary agent are the same as those of the corresponding components described in the first aspect, and are not described herein again, and those skilled in the art should not be construed as limitations to the present invention.
According to a preferred embodiment, in step S1, the first mixing condition at least satisfies: the reaction temperature is 10-35 ℃, the reaction time is 10-15min, and the stirring speed is 300-500 rpm.
According to another preferred embodiment, in step S2, the second mixing condition at least satisfies: the reaction temperature is 10-35 ℃, the reaction time is 10-15min, and the stirring speed is 500-700 rpm.
Preferably, in step S3, the third mixing condition at least satisfies: the reaction temperature is 10-35 ℃, the reaction time is 5-10min, and the stirring speed is 500-700 rpm.
Preferably, in step S4, the fourth mixing condition at least satisfies: the reaction temperature is 10-35 ℃, the reaction time is 5-10min, and the stirring speed is 500-700 rpm.
Preferably, in step S5, the fifth mixing condition at least satisfies: the reaction temperature is 10-35 ℃, the reaction time is 10-15min, and the stirring speed is 300-500 rpm.
It should be noted that the water according to the present invention may be deionized water, tap water, or the like, and is not particularly limited.
As described above, the fourth aspect of the present invention provides a coating material produced using the production method according to the third aspect.
The coating obtained by the invention has the advantages of water-based environmental protection and simple and convenient construction, and can resist slippage when the vertical surface is matched with a coiled material for use.
As mentioned above, the fifth aspect of the present invention provides a use of a coating for composite waterproofing of an underground facade or a side wall of a building, wherein the coating is the coating according to the fourth aspect.
Compared with the prior art, the scheme of the invention has at least the following advantages:
(1) according to the invention, through the synergistic cooperation of the SBS modified asphalt emulsion, the anionic emulsion, the acrylic modified polyurethane emulsion, the thickening agent I, the thickening agent II, the auxiliary agent and the like, the coating can obtain good low-temperature flexibility, good bonding strength and anti-sagging property with a base surface, and simultaneously, the coating has higher peel strength and shear strength when being compounded with a coiled material, so that the slippage phenomenon of compounding a vertical surface and the coiled material is effectively avoided.
(2) The composite thickening agent is adopted, so that the thixotropy and the construction convenience of the waterproof coating can be effectively improved, and the vertical surface of the waterproof coating is not sagging statically.
(3) The invention does not contain filler, and is beneficial to the uniformity and stability of the system.
(4) The preparation method of the paint provided by the invention can be used for preparing the anti-slip waterproof paint which is water-based, environment-friendly, simple and convenient to construct and matched with a coiled material in a vertical surface.
The present invention will be described in detail below by way of examples. In the following examples, the instruments, reagents, materials and the like are conventional instruments, reagents, materials and the like in the prior art and are commercially available in a normal way unless otherwise specified. The experimental methods, detection methods, and the like, which are mentioned in the following examples, are conventional experimental methods, detection methods, and the like, which are known in the prior art, unless otherwise specified.
The main materials used in the examples and comparative examples are commercially available, and the details are as follows.
Anionic emulsion:
acrylic emulsion I, No. BLJ-5619, available from Shanghai Baolijia chemical Co., Ltd, has a glass transition temperature of-20 ℃ and a solid content of 50%.
Pure acrylic emulsion II, having a mark YC-8098, was purchased from Guangdong Yinyang environmental protection New Material Co., Ltd, and had a glass transition temperature of-19 ℃ and a solid content of 50%.
An anionic styrene-butadiene emulsion, designated Stryofan SD 332N, was purchased from BASF (China) Inc. at a glass transition temperature of-19 ℃ and a solids content of 50%.
Acrylic acid modified polyurethane emulsion:
acrylic modified polyurethane emulsion I, available from Luoborun corporation as Sancure AU4050, has a solids content of 36.5%.
Acrylic modified polyurethane emulsion II, available from Luobo Run Co., Ltd, under the trade designation Carboset CA1009, has a solid content of 37.5%.
Acrylic modified polyurethane Emulsion III, available from the Dow chemical company Limited, having a solids content of 55%, was sold under the trade designation Hydholac TS Emulsion.
Thickener I:
hydroxyethyl cellulose I, trade name Cellosize QP-15000H, available from Dow chemical Co., Ltd.
Hydroxyethyl cellulose II, reference HECELLOSE B50K, available from Letian Fine Chemicals, Korea.
Hydroxyethyl methylcellulose, designation mecelose FMC8821, available from muskon fine chemicals, korea.
Thickener II:
thickener a, designation Vsemody U505, available from wanghua chemical group.
Thickener B, available from Rohm and Haas company, USA under the trade designation ACRYSOL TT-935.
pH regulator:
pH modifier I, trade designation AMP-95, was purchased from Dow chemical Co.
And (3) antiseptic and mildew preventive:
preservative and mildew inhibitor I, having the designation Rocima 631, was purchased from the Dow chemical company, Inc.
Preservative and mildew inhibitor II, Kathon LXE, trade name, was purchased from Dow chemical Co., Ltd.
Defoaming agent:
silicone antifoam I, trade name Defom 6800, available from Haimax (Elementis) specialty Chemicals.
Silicone defoamer II, available from Bike adjuvant, Inc., designation BYK-024.
Matrix asphalt: no. 90 petroleum asphalt, purchased from petrochemical group, Inc., China.
Rubber oil: grade KN4006, purchased from Clamayy petrochemicals, Xinjiang.
SBS elastomer: the trademark LG-501 is purchased from Tianjin le JinBohai Tian chemical Co.
Anionic emulsifiers: the trade name T14, available from Longteng materials Co., Ltd.
A stabilizer: the brand WSG-104H, available from Shanghai Wanzhan Fine chemical Co., Ltd.
The SBS modified asphalt emulsion is self-made, and the preparation method comprises the following steps:
mixing and shearing matrix asphalt, rubber oil, SBS elastomer and anionic emulsifier at 180 ℃ for 3 hours to obtain asphalt mixed solution; dissolving a stabilizer and NaOH in water and heating to 70 ℃ to obtain a water solution containing the stabilizer; then emulsifying the asphalt mixed solution and the aqueous solution containing the stabilizer by a colloid mill, discharging and cooling to obtain SBS modified asphalt emulsion; the dosages of the matrix asphalt, the rubber oil, the SBS elastomer, the anionic emulsifier, the stabilizer, the NaOH and the water are respectively 30g, 20g, 5g, 6g, 0.2g, 0.35g and 38.45 g.
Example 1
The formulation of this example is shown in table 1.
TABLE 1
The preparation method of the coating comprises the following steps:
s1: carrying out first mixing on the anionic emulsion and the acrylic modified polyurethane emulsion to obtain a mixture I; wherein the content of the first and second substances,
the conditions of the first mixing are: the temperature is 25 ℃, the stirring speed is 300rpm, and the time is 10 min;
s2: secondly mixing a thickening agent I with the mixture I in the presence of water to obtain a mixture II; wherein the content of the first and second substances,
the conditions for the second mixing are: the temperature is 25 ℃, the stirring speed is 700rpm, and the time is 10 min;
s3: thirdly mixing an auxiliary agent with the mixture II to obtain a mixture III; wherein the content of the first and second substances,
the conditions for the third mixing are: the temperature is 25 ℃, the stirring speed is 700rpm, and the time is 5 min;
s4: fourthly, mixing the thickening agent II with the mixture III to obtain a mixture IV; wherein the content of the first and second substances,
the fourth mixing conditions were: the temperature is 25 ℃, the stirring speed is 600rpm, and the time is 5 min;
s5: fifthly, mixing the SBS modified asphalt emulsion with the mixture IV to obtain a coating sample Y-1; wherein the content of the first and second substances,
the conditions for the fifth mixing are: the temperature was 35 ℃ and the stirring speed was 500rpm for 10 min.
Example 2
The formulation of this example is shown in table 2.
TABLE 2
The preparation method of the coating comprises the following steps:
s1: carrying out first mixing on the anionic emulsion and the acrylic modified polyurethane emulsion to obtain a mixture I; wherein the content of the first and second substances,
the conditions of the first mixing are: the temperature is 10 ℃, the stirring speed is 400rpm, and the time is 15 min;
s2: secondly mixing a thickening agent I with the mixture I in the presence of water to obtain a mixture II; wherein the content of the first and second substances,
the conditions for the second mixing are: the temperature is 35 ℃, the stirring speed is 600rpm, and the time is 10 min;
s3: thirdly mixing an auxiliary agent with the mixture II to obtain a mixture III; wherein the content of the first and second substances,
the conditions for the third mixing are: the temperature is 10 ℃, the stirring speed is 600rpm, and the time is 10 min;
s4: fourthly, mixing the thickening agent II with the mixture III to obtain a mixture IV; wherein the content of the first and second substances,
the fourth mixing conditions were: the temperature is 10 ℃, the stirring speed is 600rpm, and the time is 5 min;
s5: fifthly, mixing the SBS modified asphalt emulsion with the mixture IV to obtain a coating sample Y-2; wherein the content of the first and second substances,
the conditions for the fifth mixing are: the temperature was 25 ℃ and the stirring speed was 300rpm for 10 min.
Example 3
The formulation of this example is shown in table 3.
TABLE 3
The preparation method of the coating comprises the following steps:
s1: carrying out first mixing on the anionic emulsion and the acrylic modified polyurethane emulsion to obtain a mixture I; wherein the content of the first and second substances,
the conditions of the first mixing are: the temperature is 35 ℃, the stirring speed is 500rpm, and the time is 12 min;
s2: secondly mixing a thickening agent I with the mixture I in the presence of water to obtain a mixture II; wherein the content of the first and second substances,
the conditions for the second mixing are: the temperature is 10 ℃, the stirring speed is 500rpm, and the time is 15 min;
s3: thirdly mixing an auxiliary agent with the mixture II to obtain a mixture III; wherein the content of the first and second substances,
the conditions for the third mixing are: the temperature is 35 ℃, the stirring speed is 500rpm, and the time is 5 min;
s4: fourthly, mixing the thickening agent II with the mixture III to obtain a mixture IV; wherein the content of the first and second substances,
the fourth mixing conditions were: the temperature is 35 ℃, the stirring speed is 600rpm, and the time is 5 min;
s5: fifthly, mixing the SBS modified asphalt emulsion with the mixture IV to obtain a coating sample Y-3; wherein the content of the first and second substances,
the conditions for the fifth mixing are: the temperature was 10 ℃, the stirring speed was 400rpm, and the time was 10 min.
Example 4
This example prepared coatings similar to example 1, except that the coating formulations were different, as detailed in table 4.
The formulation of this example is shown in table 4.
TABLE 4
The paint sample obtained in this example was identified by the number Y-4.
Comparative example 1
This comparative example prepared a coating using a formulation and method similar to example 1, except that: the dosage of the SBS modified asphalt emulsion is 20wt%, and the dosage of the acrylic modified polyurethane emulsion is 34 wt%.
Specifically, the formulation of this comparative example is shown in table 5.
TABLE 5
The coating sample prepared in this comparative example was numbered D-1.
Comparative example 2
This comparative example prepared a coating using a formulation and method similar to example 2, except that: the dosage of the anionic emulsion is 10wt%, and the dosage of the acrylic modified polyurethane emulsion is 28 wt%.
Specifically, the formulation of this comparative example is shown in table 6.
TABLE 6
The coating sample prepared in this comparative example was numbered D-2.
Comparative example 3
This comparative example prepared a coating using a formulation and method similar to example 3, except that: the amount of the anionic emulsion is 47wt%, and the amount of the SBS modified asphalt emulsion is 40 wt%.
Specifically, the formulation of this comparative example is shown in table 7.
TABLE 7
The coating sample prepared in this comparative example was numbered D-3.
Comparative example 4
This comparative example prepared a coating using a formulation and method similar to example 1, except that: this comparative example does not contain thickener I and thickener II is used in an amount of 0.6 wt%.
Specifically, the formulation of this comparative example is shown in table 8.
TABLE 8
The coating sample prepared in this comparative example was numbered D-4.
Comparative example 5
This comparative example prepared a coating using a formulation and method similar to example 1, except that: this comparative example does not contain thickener II and thickener I is used in an amount of 0.6 wt%.
Specifically, the formulation of this comparative example is shown in table 9.
TABLE 9
The coating sample prepared in this comparative example was numbered D-5.
Comparative example 6
This comparative example prepared a coating using a formulation and method similar to example 1, except that: thickener I is used in an amount of 0.1wt%, and thickener II is used in an amount of 0.5 wt%.
Specifically, the formulation of this comparative example is shown in table 10.
Watch 10
The coating sample prepared in this comparative example was numbered D-6.
Test example
Testing the low-temperature flexibility and heat resistance of the sample according to JC/T408-2005 standard; testing the surface dry, solid dry and adhesive strength of the sample according to GB/T16777-; testing the peel strength of the sample according to JC/T1069-2008 standard; testing the tensile shear strength of the sample according to JC/T863-2011 standard; the samples were tested for sag resistance according to GB/T9264-.
The paint samples obtained in the above examples and comparative examples were subjected to the performance parameter test, and the test results are shown in Table 11.
TABLE 11
As shown in Table 11, the results of the performance tests on the vertical surface anti-slip waterproof coatings (Y1-Y4) prepared in examples 1-4 show that the anti-sagging property and the bonding strength with cement mortar of the vertical surface anti-slip waterproof coating provided by the invention are higher than the standard, the low-temperature flexibility is better, the peel strength and the shear strength with a matched waterproof roll exceed the indexes, and the slippage after the composite roll is compounded can be effectively prevented.
As can be seen from the comparison between example 1 and comparative example 1, the reduction in the amount of SBS-modified emulsified asphalt and the increase in the amount of acrylic modified polyurethane emulsion increased the adhesive strength after the composite coil, but the peel strength was significantly reduced.
By comparing example 2 with comparative example 2, it can be seen that the adhesive strength is increased by decreasing the amount of the anionic emulsion and increasing the amount of the acrylic modified polyurethane emulsion, but the peeling property is decreased and the flexibility at low temperature is also decreased.
Comparing example 3 with comparative example 3, it can be seen that, the acrylic modified polyurethane emulsion is unchanged, the amount of SBS modified emulsified asphalt is reduced, the amount of anionic emulsion is increased, the bonding strength between the coating and the cement mortar is improved but is not obvious, and the stripping performance is obviously reduced.
Comparing example 1 with comparative examples 4, 5 and 6, it was found that thickener I and thickener II were mixed in the weight ratio of (1 to 5): 1, better sag resistance can be obtained by using the composition in combination.
Therefore, the vertical-face anti-skid waterproof coating provided by the invention has an anti-skid effect and bonding stability, and simultaneously has excellent stripping performance and anti-sliding effect with a composite coiled material.
The preferred embodiments of the present invention have been described above in detail, but the present invention is not limited thereto. Within the scope of the technical idea of the invention, many simple modifications can be made to the technical solution of the invention, including combinations of various technical features in any other suitable way, and these simple modifications and combinations should also be regarded as the disclosure of the invention, and all fall within the scope of the invention.
Claims (10)
1. A facade antiskid waterproof coating composition is characterized by comprising the following components which are stored independently or in a mixed way:
40-65wt% of SBS modified asphalt emulsion;
20-40wt% of anionic emulsion;
8-16wt% of acrylic acid modified polyurethane emulsion;
3-8wt% of water;
0.3 to 0.8 weight percent of thickening agent;
0.3 to 1.0 weight percent of auxiliary agent;
the anionic emulsion is at least one of anionic acrylic emulsion and anionic butylbenzene emulsion;
the thickening agent is prepared from (1-5) by weight: 1, wherein the thickening agent I is a cellulose ether thickening agent, and the thickening agent II is an associated polyacrylic acid thickening agent and/or an associated polyurethane thickening agent.
2. The coating composition of claim 1, wherein the thickener I is selected from at least one of carboxymethyl cellulose, hydroxypropyl methyl cellulose, hydroxyethyl methyl cellulose; and/or
The thickener II is a hydrophobic modified associative polyacrylic acid thickener and/or a hydrophobic modified associative polyurethane thickener.
3. The coating composition according to claim 1 or 2, wherein the SBS modified asphalt emulsion is SBS elastomer modified anionic emulsified asphalt; the content of the SBS elastomer in the SBS elastomer modified anion emulsified asphalt accounts for 5-10wt% of the total amount of the SBS elastomer modified anion emulsified asphalt.
4. The coating composition of claim 1 or 2, wherein the anionic emulsion has a glass transition temperature of-15 ℃ to-25 ℃ and a solid content of not less than 50 wt.%; and/or
The pH value of the acrylic modified polyurethane emulsion is 7-9; and/or
The auxiliary agent comprises a pH regulator, an antiseptic and mildew inhibitor and a defoaming agent.
5. The coating composition of claim 4, wherein the pH modifier is present in an amount of 0.1 to 0.3 wt.%, the corrosion and mold inhibitor is present in an amount of 0.1 to 0.3 wt.%, and the defoamer is present in an amount of 0.1 to 0.4 wt.%, based on the total weight of the coating composition.
6. Use of a coating composition for the preparation of a coating, characterized in that the coating composition is a coating composition according to any one of claims 1-5.
7. A method of preparing a coating, the method comprising: mixing the components of the coating composition of any one of claims 1-5; the step of mixing the components of the coating composition comprises:
s1: carrying out first mixing on the anionic emulsion and the acrylic modified polyurethane emulsion to obtain a mixture I;
s2: secondly mixing a thickening agent I with the mixture I in the presence of water to obtain a mixture II;
s3: thirdly mixing an auxiliary agent with the mixture II to obtain a mixture III;
s4: fourthly, mixing the thickening agent II with the mixture III to obtain a mixture IV;
s5: and fifthly, mixing the SBS modified asphalt emulsion with the mixture IV.
8. The method according to claim 7, wherein in step S1, the first mixing condition at least satisfies: the reaction temperature is 10-35 ℃, the reaction time is 10-15min, and the stirring speed is 300-500 rpm; and/or
In step S2, the second mixing condition at least satisfies: the reaction temperature is 10-35 ℃, the reaction time is 10-15min, and the stirring speed is 500-700 rpm; and/or
In step S3, the third mixing condition at least satisfies: the reaction temperature is 10-35 ℃, the reaction time is 5-10min, and the stirring speed is 500-700 rpm; and/or
In step S4, the fourth mixing condition at least satisfies: the reaction temperature is 10-35 ℃, the reaction time is 5-10min, and the stirring speed is 500-700 rpm; and/or
In step S5, the fifth mixing condition at least satisfies: the reaction temperature is 10-35 ℃, the reaction time is 10-15min, and the stirring speed is 300-500 rpm.
9. A coating material, which is produced by the production method according to claim 7 or 8.
10. Use of a coating for waterproofing of an underground facade or side wall of a building, characterized in that the coating is according to claim 9.
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| CN114958133B (en) * | 2022-04-19 | 2022-12-13 | 铁科腾跃科技有限公司 | Bio-based modified low-temperature-resistant quick-setting asphalt emulsion coating and preparation method thereof |
| CN115948082B (en) * | 2022-05-10 | 2024-02-02 | 首牵科技(广州)有限公司 | Water-based antirust paint for metal parts and preparation method thereof |
| CN116622165B (en) * | 2023-06-13 | 2024-02-23 | 昆山科顺防水材料有限公司 | Composite waterproof heat-insulating coiled material and preparation method and application thereof |
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