WO2023045553A1 - Highly water-resistant environmentally-friendly waterproof sealant, preparation method therefor and application thereof - Google Patents

Highly water-resistant environmentally-friendly waterproof sealant, preparation method therefor and application thereof Download PDF

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Publication number
WO2023045553A1
WO2023045553A1 PCT/CN2022/108521 CN2022108521W WO2023045553A1 WO 2023045553 A1 WO2023045553 A1 WO 2023045553A1 CN 2022108521 W CN2022108521 W CN 2022108521W WO 2023045553 A1 WO2023045553 A1 WO 2023045553A1
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asphalt
water
anionic
sealing paste
waterproof sealing
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PCT/CN2022/108521
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French (fr)
Chinese (zh)
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牛海波
李忠人
贺小钢
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江苏凯伦建材股份有限公司
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Publication of WO2023045553A1 publication Critical patent/WO2023045553A1/en

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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J111/00Adhesives based on homopolymers or copolymers of chloroprene
    • C09J111/02Latex
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J109/00Adhesives based on homopolymers or copolymers of conjugated diene hydrocarbons
    • C09J109/06Copolymers with styrene
    • C09J109/08Latex
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02Non-macromolecular additives
    • C09J11/04Non-macromolecular additives inorganic
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02Non-macromolecular additives
    • C09J11/06Non-macromolecular additives organic
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/08Macromolecular additives
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J125/00Adhesives 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; Adhesives based on derivatives of such polymers
    • C09J125/02Homopolymers or copolymers of hydrocarbons
    • C09J125/04Homopolymers or copolymers of styrene
    • C09J125/08Copolymers of styrene
    • C09J125/14Copolymers of styrene with unsaturated esters
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J133/00Adhesives 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; Adhesives based on derivatives of such polymers
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J195/00Adhesives based on bituminous materials, e.g. asphalt, tar, pitch
    • C09J195/005Aqueous compositions, e.g. emulsions
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24Acids; Salts thereof
    • C08K3/26Carbonates; Bicarbonates
    • C08K2003/265Calcium, strontium or barium carbonate

Definitions

  • the invention belongs to the technical field of waterproof building materials, and in particular relates to a highly water-resistant and environment-friendly waterproof sealant and its preparation method and application.
  • sealing materials In the actual construction material selection, ordinary waterproof paint, ointment and other sealing materials are often used to deal with these detailed node structures. Such sealing materials have weak cohesiveness or other physical properties. Shrinkage cracking, long-term manifestations are shelling, warping, brittle cracking, etc. with the bonding surface. The reason is not only related to the composition of the sealing material itself, but also related to the compatibility of the sealing material and the joint base material. If the compatibility between the selected sealing material and the base material is poor on both sides or one side, the interface will be easily peeled off after a long time , forming seepage and leakage channels.
  • patent CN111793436A discloses a one-component asphalt-based water-based non-curing rubber asphalt waterproof coating, which is mainly prepared from the following components according to the following weight ratio: 10-40 parts of asphalt, 10-40 parts of softened oil, water 30-50 parts, 5-20 parts of anionic polymer latex, 1-3 parts of anionic emulsifier, 1-3 parts of non-ionic emulsifier, 0.1-0.3 part of stabilizer, 0.1-0.3 part of defoamer, 0.1-0 preservative 0.3 parts, thickener 0.1-2.5 parts, inorganic filler 5-15 parts.
  • the waterproof coating can have good bonding performance with waterproof coiled materials and various substrates, its own cohesion is small, and the bonding performance index with different substrates deviates, which cannot meet the requirements for use, and its solid content is the highest. It can only reach 68%, and the heat resistance is deviated. The high temperature in summer will cause the product to flow, and the long-term water resistance still needs to be improved.
  • the present invention provides a highly water-resistant and environmentally friendly waterproof sealant and its preparation method and application.
  • One aspect of the present invention provides a waterproof sealing paste, which includes emulsified asphalt, anionic polymer latex, super water-resistant additives, hydrophobic fillers and auxiliary agents; wherein, the added amount of the emulsified asphalt is 15% of the total mass of the waterproof sealing paste % to 35%; the addition of the anionic polymer latex is 20% to 45% of the total mass of the waterproof sealant paste; the addition of the super water-resistant additive is 1% to 10% of the total mass of the waterproof sealant %; the added amount of the hydrophobic filler is 20-45% of the total mass of the waterproof sealing paste; wherein, the super water-resistant additive is an anionic polymer emulsion.
  • the solid content of the waterproof sealing paste is ⁇ 70%.
  • the super water-resistant additive is one or any of anionic polyethylene wax emulsion, anionic oxidized polyethylene wax emulsion, anionic polypropylene wax emulsion, anionic oxidized polypropylene wax emulsion or anionic polytetrafluoroethylene emulsion Two or more.
  • the added amount of the super water-resistant additive is 3%-8% of the total mass of the waterproof sealing paste.
  • the anionic polymer latex is one or any two or more selected from anionic neoprene latex, anionic styrene-butadiene latex, hydrophobically modified anionic acrylic latex or hydrophobically modified anionic styrene-acrylic latex.
  • the added amount of the anionic polymer latex is 30%-40% of the total mass of the waterproof sealant.
  • the hydrophobic filler is one or any two or more selected from hydrophobically modified nano-calcium carbonate, hydrophobically modified nano-talc powder, hydrophobically modified nano-silica or subnano polytetrafluoroethylene particles .
  • the added amount of the hydrophobic filler is 30-40% of the total mass of the waterproof sealing paste.
  • the emulsified asphalt includes asphalt, water, anionic emulsifier, nonionic emulsifier and stabilizer in a mass ratio of 10-30:8-25:1-3:0.5-1:0.1-0.3.
  • the mass ratio of the bitumen to the water is 15-20:8-15.
  • the asphalt is one or any two or more selected from 30# asphalt, 50# asphalt, 70# asphalt, 90# asphalt or 110# asphalt.
  • the water is one or any two or more selected from distilled water, deionized water, tap water, industrial water or river water.
  • the anionic emulsifier is one or any two or more selected from alkylbenzenesulfonate emulsifiers, alkylsulfonate emulsifiers or lignosulfonate emulsifiers .
  • the nonionic emulsifier is one or any two selected from long-chain fatty alcohol polyoxyethylene ether, alkylphenol polyoxyethylene ether, fatty acid polyoxyethylene ester or polyether emulsifier and above.
  • the stabilizer is one or any two or more selected from sodium carboxymethylcellulose, hydroxyethylcellulose, hydroxypropylmethylcellulose or polyvinyl alcohol.
  • the auxiliary agent includes one or any two or more of defoamers, preservatives, and hydrophobically modified thickeners.
  • the mass ratio of the defoamer, the preservative, and the hydrophobically modified thickener is 0.1-0.3:0.1-0.3:0.1-2.5.
  • the defoamer is one or any two selected from mineral oil defoamers, silicone defoamers, polyether defoamers or polysiloxane defoamers and above.
  • the preservative is selected from one or any two of isothiazolinone preservatives, formaldehyde-releasing preservatives, benzisothiazoline preservatives or s-triazine preservatives and above.
  • the hydrophobically modified thickener is selected from a hydrophobically modified alkali-swellable thickener, a hydrophobically modified alkali-swellable associative thickener or a hydrophobically modified polyurethane thickener species or any two or more.
  • the second aspect of the present invention provides a kind of preparation method of described waterproof sealing paste, first make described hydrophobic filler and described anionic polymer latex mix uniformly, then mix with described emulsified asphalt, described super-waterproof additive , and finally add the auxiliary agent and mix evenly to obtain the waterproof sealing paste.
  • the temperature of the mixing process is controlled to be 10-50°C.
  • the emulsified asphalt is prepared through the following steps:
  • step (3) controlling the temperature of the soap solution to be 30 to 80°C, controlling the temperature of the asphalt treated in step (2) to be 100 to 150°C, then mixing and grinding the soap solution and the asphalt for 1 to 3 minutes, and
  • the discharge temperature of the emulsified asphalt is controlled to be 50-95° C., and the emulsified asphalt is obtained by cooling naturally.
  • the third aspect of the present invention is to provide an application of the waterproof sealant in building waterproof caulking.
  • the present invention has the following advantages compared with the prior art:
  • the present invention makes the waterproof sealing paste environmentally friendly, high solid content, excellent water resistance, excellent storage stability, fast drying speed, excellent construction performance, simple construction process, Adapt to the diversity and complexity of materials at the joints of building components, and ensure that the product can effectively and permanently seal and waterproof the various materials at the joints of building components.
  • the invention provides a waterproof sealing paste, which includes emulsified asphalt, anionic polymer latex, super water-resistant additives, hydrophobic fillers and auxiliary agents; wherein, the added amount of the emulsified asphalt is 15% of the total mass of the waterproof sealing paste ⁇ 35%; the addition of the anionic polymer latex is 20% to 45% of the total mass of the waterproof sealant; the addition of the super water-resistant additive is 1% to 10% of the total mass of the waterproof sealant ; The added amount of the hydrophobic filler is 20-45% of the total mass of the waterproof sealing paste; wherein, the super water-resistant additive is an anionic polymer emulsion.
  • the waterproof sealing paste of the present application is a water-based product, which uses water as a solvent, and is a one-component formula, does not volatilize harmful substances, and is more friendly to the environment and construction personnel. Moreover, the solid content of the waterproof sealing paste can reach 70% or more, such as 70%-80%, and the waterproof sealing paste still has excellent storage stability under high solid content. Because the solid content of the waterproof sealing paste is high, the drying speed is fast, and the waterproof sealing paste can be constructed at normal temperature, thereby saving construction cost. In addition, the waterproof sealant can adapt to the diversity and complexity of materials at the joints of building components, and ensure that the product can effectively and permanently seal and waterproof all kinds of materials at the joints of building components.
  • the super water-resistant additive is preferably made of a polymer with excellent high temperature performance and water resistance, properties close to wax, and a contact angle with water greater than 135°.
  • the super water-resistant additive can be polymerized with asphalt, anion The phenomenon that the molecular chains cross each other through physical blending, etc., makes the waterproof sealant more stable, so that the solid content of the waterproof sealant can be increased as much as possible under the condition of ensuring storage stability; on the other hand, in During the drying process of the waterproof sealant, the resin component in the super water-resistant additive will partially migrate to the surface of the coating, so that the surface of the coating will show a certain lotus leaf effect, so that the coating will be protected from water intrusion, and the waterproof seal will be further improved.
  • the super water-resistant additive is one selected from anionic polyethylene wax emulsion, anionic oxidized polyethylene wax emulsion, anionic polypropylene wax emulsion, anionic oxidized polypropylene wax emulsion or anionic polytetrafluoroethylene emulsion. species or any two or more.
  • the added amount of the super water-resistant additive is 3% to 8% of the total mass of the waterproof sealant, such as 3.5%, 4%, 4.5%, 5%, 5.5%, 6%, 6.5%, 7% , 7.5%. If the added amount of the super water-resistant additive is too low, the water resistance of the waterproof sealing paste will be insufficient; if the added amount is too high, the bonding performance and low-temperature performance of the waterproof sealing paste and the base material will be affected.
  • the anionic polymer latex is preferably flexible, has good low-temperature performance and rebound performance, excellent water resistance, and a polymer whose properties are closer to rubber.
  • the anionic polymer latex is one or any of anionic neoprene latex, anionic styrene-butadiene latex, hydrophobically modified anionic acrylic latex or hydrophobically modified anionic styrene-acrylic latex Two or more.
  • the amount of the anionic polymer latex added is 30% to 40% of the total mass of the waterproof sealant, such as 31%, 32%, 33%, 34%, 35%, 36%, 37%, 38% %, 39%. If the amount of anionic polymer latex is too low, the low-temperature performance of the waterproof sealant at -10°C is difficult to meet the standard, and the bonding performance with various substrates is also insufficient; if the amount added is too high, it will significantly increase the product’s cost.
  • the hydrophobic filler is one or any two selected from hydrophobically modified nano-calcium carbonate, hydrophobically modified nano-talc powder, hydrophobically modified nano-silica, or subnano polytetrafluoroethylene particles. and above.
  • the preferred hydrophobic filler helps to improve the water resistance and storage stability of the waterproof sealant.
  • the added amount of the hydrophobic filler is 30-40% of the total mass of the waterproof sealing paste, such as 31%, 32%, 33%, 34%, 35%, 36%, 37%, 38%, 39% %. If the amount of hydrophobic filler is too low, the solid content of the waterproof sealant will be low, resulting in prolonged construction time; if the amount of hydrophobic filler is too high, the storage stability of the waterproof sealant will be poor, and various performances of the product will be significantly reduced.
  • the emulsified asphalt is self-configured slow-cracking and slow-setting anionic emulsified asphalt.
  • the emulsified asphalt includes asphalt, water, slow-cracking and slow-setting anionic emulsifier, non-ionic emulsifier and stabilizing agent.
  • the mass ratio of the bitumen to the water is 15-20:8-15, more preferably 15-20:8-10.
  • the asphalt can be selected according to the specific needs, the convenience of obtaining materials, and the composition of the asphalt.
  • the asphalt is one or any two or more selected from 30# asphalt, 50# asphalt, 70# asphalt, 90# asphalt or 110# asphalt.
  • the water is one or any two or more selected from distilled water, deionized water, tap water, industrial water or river water.
  • the anionic emulsifier is a slow-cracking and slow-setting anionic emulsifier with excellent stability and water resistance to metal ions such as Ca 2+ and Mg 2+ .
  • the anionic emulsifier is one or any two or more selected from alkylbenzenesulfonate emulsifiers, alkylsulfonate emulsifiers or lignosulfonate emulsifiers.
  • the nonionic emulsifier is one or any two selected from long-chain fatty alcohol polyoxyethylene ether, alkylphenol polyoxyethylene ether, fatty acid polyoxyethylene ester or polyether emulsifier and above.
  • the stabilizer is one or any two or more selected from sodium carboxymethylcellulose, hydroxyethylcellulose, hydroxypropylmethylcellulose or polyvinyl alcohol.
  • the auxiliary agent includes one or any two or more of defoamers, preservatives, and hydrophobically modified thickeners.
  • the mass ratio of the defoamer, the preservative, and the hydrophobically modified thickener is 0.1-0.3:0.1-0.3:0.1-2.5.
  • the defoamer is one or any two selected from mineral oil defoamers, silicone defoamers, polyether defoamers or polysiloxane defoamers and above.
  • mineral oil defoamers silicone defoamers, polyether defoamers or polysiloxane defoamers and above.
  • the preservative is selected from one or any two of isothiazolinone preservatives, formaldehyde-releasing preservatives, benzisothiazoline preservatives or s-triazine preservatives and above.
  • the preferred type of preservative is better coordinated with other components in the formula to make the preservative effect better.
  • the hydrophobically modified thickener is selected from a hydrophobically modified alkali-swellable thickener, a hydrophobically modified alkali-swellable associative thickener or a hydrophobically modified polyurethane thickener species or any two or more.
  • the preferred hydrophobically modified thickener adjusts the viscosity and water resistance of the waterproof sealant, and is low in cost.
  • the preparation method of waterproof sealing paste of the present invention comprises the following steps:
  • step 5 Slowly add the emulsified asphalt prepared in step 3) to the modified anionic polymer latex prepared in step 4), and add super water-resistant additives, mix well; then add defoamer and preservative to it, mix well; then slowly Add a hydrophobic modified thickener and mix evenly to obtain a highly water-resistant and environmentally friendly waterproof sealant.
  • the pH value of the soap solution is preferably adjusted with an aqueous NaOH solution with a mass concentration percentage of 8-12%.
  • the temperature of the soap liquid is 30-80° C. before being mixed and ground by the colloid mill by heating, and the temperature of the modified asphalt is 100-150° C. before being mixed and ground by the colloid mill ;
  • the discharge temperature of the emulsified asphalt is controlled to be 50-95°C.
  • step 4) and step 5 the temperature of the mixing process is respectively controlled between 10-50°C.
  • the preferred temperature parameters make the performance of the waterproof sealing paste more excellent.
  • the preparation procedure of the waterproof sealing paste of the present invention is simple and convenient, and takes less time. Among them, the optimized process parameters ensure the full interaction of the various components of the waterproof coating and ensure the excellent performance of the waterproof sealing paste.
  • the waterproof sealing paste of the present invention has the following advantages:
  • the high water resistance and environmental protection waterproof sealing paste of the present application is a new type of water-based environmental protection building waterproof sealing product, which can be applied by scraping at room temperature, has excellent anti-sag performance and storage stability, and has excellent adhesion to different substrates. knot performance, fast drying performance and excellent water resistance;
  • the high water resistance and environmental protection waterproof sealing paste has high solid content, fast water volatilization speed, and short drying time. It has excellent bonding performance with asphalt-based waterproof membranes and various substrates such as cement, aluminum plates, and plastics, and is especially suitable for construction. Waterproof caulking construction; and the construction process is simple, environmentally friendly, non-toxic and non-polluting, it is a "seven-point product, three-point construction" product;
  • the highly water-resistant and environmentally friendly waterproof sealing paste uses water as a solvent and does not contain harmful organic volatile solvents such as benzene, toluene, and xylene.
  • the product is green, environmentally friendly, and pollution-free, and has no health hazards to construction workers.
  • the raw materials in the following examples can be obtained commercially, and the solid content of latex, emulsion and other raw materials can be selected according to the needs, as long as the solid content of the waterproof sealant can reach 70% or more.
  • a highly water-resistant and environmentally friendly waterproof sealing paste in this example is mainly prepared from the following components according to the following weight and part ratios:
  • the preparation method of the highly water-resistant environmental protection waterproof sealant comprises the following steps carried out in sequence:
  • step 5 Slowly add the emulsified asphalt prepared in step 3) to the modified anionic polymer latex prepared in step 4), and mix uniformly; then add mineral oil defoamer and isothiazolinone preservative to it, and mix uniformly; Then slowly add polyacrylic acid thickener and mix evenly to obtain waterproof sealing paste.
  • step 3 the temperature of the soap liquid before being mixed and ground by the colloid mill is 60° C. by heating, and the temperature of the modified asphalt is 120° C. before being mixed and ground by the colloid mill;
  • the discharge temperature of the emulsified asphalt is controlled to be 80° C.; the temperature of the mixing process is respectively controlled between 30° C. in step 4) and step 5).
  • a highly water-resistant and environmentally friendly waterproof sealing paste according to the present invention is mainly prepared from the following components according to the following weight and part ratios:
  • the preparation method of the highly water-resistant environmental protection waterproof sealant comprises the following steps carried out in sequence:
  • step 5 Slowly add the emulsified asphalt prepared in step 3) to the modified anionic polymer latex prepared in step 4), and mix uniformly; then add mineral oil defoamer and isothiazolinone preservative to it, and mix uniformly; Then slowly add the hydrophobically modified alkali-swellable thickener and mix evenly to obtain a highly water-resistant and environmentally friendly waterproof sealant.
  • step 3 the temperature of the soap liquid before being mixed and ground by the colloid mill is 60° C. by heating, and the temperature of the modified asphalt is 120° C. before being mixed and ground by the colloid mill;
  • the discharge temperature of the emulsified asphalt is controlled to be 80° C.; the temperature of the mixing process is respectively controlled between 30° C. in step 4) and step 5).
  • a highly water-resistant and environmentally friendly waterproof sealing paste according to the present invention is mainly prepared from the following components according to the following weight and part ratios:
  • the preparation method of the highly water-resistant environmental protection waterproof sealant comprises the following steps carried out in sequence:
  • step 5 Slowly add the emulsified asphalt prepared in step 3) to the modified anionic polymer latex prepared in step 4), and mix evenly; then add a silicone defoamer and a formaldehyde-releasing preservative to it, mix evenly; then slowly Add hydrophobically modified alkali-swellable associative thickener and mix evenly to obtain a highly water-resistant and environmentally friendly waterproof sealant.
  • step 3 the temperature of the soap liquid before passing through the colloid mill for mixing and grinding is 30°C by heating, and the temperature of the modified asphalt before passing through the colloid mill for mixing and grinding is 150°C; during the mixing and grinding process of the colloid mill
  • the discharge temperature of the emulsified asphalt is controlled to be 50° C.; the temperature of the mixing process is respectively controlled between 50° C. in step 4) and step 5).
  • a highly water-resistant and environmentally friendly waterproof sealing paste according to the present invention is mainly prepared from the following components according to the following weight and part ratios:
  • the preparation method of the highly water-resistant environmental protection waterproof sealant comprises the following steps carried out in sequence:
  • step 5 Slowly add the emulsified asphalt prepared in step 3) to the modified anionic polymer latex prepared in step 4), and mix evenly; then add polyether defoamer and benzisothiazoline preservative to it, and mix evenly ; Slowly add the hydrophobically modified polyurethane thickener and mix evenly to obtain a highly water-resistant and environmentally friendly waterproof sealant.
  • step 3 the temperature of the soap liquid before being mixed and ground by the colloid mill is 80° C. by heating, and the temperature of the modified asphalt is 100° C. before being mixed and ground by the colloid mill;
  • the discharge temperature of the emulsified asphalt is controlled to be 95° C.; the temperature of the mixing process is controlled between 10° C. in step 4) and step 5).
  • a high water resistance and environmental protection waterproof sealing paste according to the present invention is mainly prepared from the following components according to the following ratios by weight and number:
  • the preparation method of the highly water-resistant environmental protection waterproof sealant comprises the following steps carried out in sequence:
  • step 5 Slowly add the emulsified asphalt prepared in step 3) to the modified anionic polymer latex prepared in step 4), and mix uniformly; then add polysiloxane defoamer and s-triazine preservative to it, and mix uniformly ; Then slowly add hydrophobically modified alkali-swellable thickener and mix evenly to obtain a highly water-resistant and environmentally friendly waterproof sealant.
  • step 3 the temperature of the soap liquid before being mixed and ground by the colloid mill is 80° C. by heating, and the temperature of the modified asphalt is 100° C. before being mixed and ground by the colloid mill;
  • the discharge temperature of the emulsified asphalt is controlled to be 50° C.; the temperature of the mixing process is respectively controlled between 50° C. in step 4) and step 5).
  • a high water resistance and environmental protection waterproof sealing paste according to the present invention is mainly prepared from the following components according to the following ratios by weight and number:
  • the preparation method of the highly water-resistant environmental protection waterproof sealant comprises the following steps carried out in sequence:
  • step 1) The soap solution obtained in step 1) is mixed with the asphalt obtained in step 2) for 1 min through a colloid mill, and the temperature is naturally cooled to room temperature to obtain emulsified asphalt;
  • step 5 Slowly add the emulsified asphalt prepared in step 3) to the modified anionic polymer latex prepared in step 4), and mix evenly; then add a silicone defoamer and an isothiazolinone preservative to it, and mix evenly; Then slowly add the hydrophobically modified alkali-swellable associative thickener and mix evenly to obtain a highly water-resistant and environmentally friendly waterproof sealant.
  • step 3 the temperature of the soap liquid before passing through the colloid mill for mixing and grinding is 30°C by heating, and the temperature of the modified asphalt before passing through the colloid mill for mixing and grinding is 150°C; during the mixing and grinding process of the colloid mill
  • the discharge temperature of the emulsified asphalt is controlled to be 50° C.; the temperature of the mixing process is respectively controlled between 50° C. in step 4) and step 5).

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Sealing Material Composition (AREA)

Abstract

The present invention relates to a waterproof sealant, a preparation method therefor and an application thereof. The waterproof sealant comprises emulsified asphalt, an anionic polymer latex, a super-water-resistant additive, a hydrophobic filler, and an auxiliary agent, wherein if the total mass of the waterproof sealant is 100%, the addition amount of the emulsified asphalt is 15-35%, the addition amount of the anionic polymer latex is 20-45%, the addition amount of the super-water-resistant additive is 1-10%, and the addition amount of the hydrophobic filler is 20-45%; the super-water-resistant additive is an anionic polymer emulsion. Through the synergistic effect of the components and proportions of the waterproof sealant of the present invention, the waterproof sealant has the advantages of environmental friendliness and harmlessness, a high solid content, excellent water resistance, excellent storage stability, high drying speed, excellent construction performance and a simple construction process, adapting to the diversity and complexity of materials at the joints of building components, and ensuring that the product can achieve effective and long-term sealing and waterproofing of different materials at the joints of building components.

Description

一种高耐水环保防水密封膏及其制备方法和应用A kind of high water resistance environmental protection waterproof sealing paste and its preparation method and application 技术领域technical field
本发明属于防水建筑材料技术领域,具体涉及一种高耐水环保防水密封膏及其制备方法和应用。The invention belongs to the technical field of waterproof building materials, and in particular relates to a highly water-resistant and environment-friendly waterproof sealant and its preparation method and application.
背景技术Background technique
建筑物渗漏是较为突出的建筑质量通病,细部节点构造做法不当是造成建筑渗漏的主要原因之一。而细部节点构造复杂,并且材料种类众多,如水泥、铝材、塑料、玻璃等构件,因此,细部节点构造处理难度较大。Leakage of buildings is a prominent common defect in building quality, and improper construction of detail nodes is one of the main reasons for building leakage. However, the structure of detail nodes is complex, and there are many kinds of materials, such as cement, aluminum, plastic, glass and other components. Therefore, it is more difficult to deal with the structure of detail nodes.
实际施工选材中,多采用普通防水涂料、油膏等密封材料处理这些细部节点构造,这类密封材料粘结性或其他物理性能本身较弱,如密封处理不好,短期表现为泡水溶胀、缩裂,长期表现为与粘结面脱壳、翘边、脆裂等。究其原因,除与密封材料本身成分有关外,还与密封材料与接缝基材的相容性有关,若所选密封材料与基层材质两面或一面相容性差,则长时间后界面容易剥离,形成渗水、漏水通道。In the actual construction material selection, ordinary waterproof paint, ointment and other sealing materials are often used to deal with these detailed node structures. Such sealing materials have weak cohesiveness or other physical properties. Shrinkage cracking, long-term manifestations are shelling, warping, brittle cracking, etc. with the bonding surface. The reason is not only related to the composition of the sealing material itself, but also related to the compatibility of the sealing material and the joint base material. If the compatibility between the selected sealing material and the base material is poor on both sides or one side, the interface will be easily peeled off after a long time , forming seepage and leakage channels.
如专利CN111793436A公开了一种单组份沥青基水性非固化橡胶沥青防水涂料,其主要由以下组分按照以下重量份数比制备而成:沥青10~40份、软化油10~40份、水30~50份、阴离子聚合物胶乳5~20份、阴离子乳化剂1~3份、非离子乳化剂1~3份、稳定剂0.1~0.3份、消泡剂0.1~0.3份、防腐剂0.1~0.3份、增稠剂0.1~2.5份、无机填料5~15份。该防水涂料虽然能够与防水卷材和各类基材有好的粘结性能,但是,其自身内聚力小,与不同基材的粘结性能指标偏差,达不到使用要求,且其固含量最高仅能达到68%,耐热性能偏差,夏季高温会造成产品流淌,长久的耐水性能仍有待提高。For example, patent CN111793436A discloses a one-component asphalt-based water-based non-curing rubber asphalt waterproof coating, which is mainly prepared from the following components according to the following weight ratio: 10-40 parts of asphalt, 10-40 parts of softened oil, water 30-50 parts, 5-20 parts of anionic polymer latex, 1-3 parts of anionic emulsifier, 1-3 parts of non-ionic emulsifier, 0.1-0.3 part of stabilizer, 0.1-0.3 part of defoamer, 0.1-0 preservative 0.3 parts, thickener 0.1-2.5 parts, inorganic filler 5-15 parts. Although the waterproof coating can have good bonding performance with waterproof coiled materials and various substrates, its own cohesion is small, and the bonding performance index with different substrates deviates, which cannot meet the requirements for use, and its solid content is the highest. It can only reach 68%, and the heat resistance is deviated. The high temperature in summer will cause the product to flow, and the long-term water resistance still needs to be improved.
因此提供一种环保无害、耐水性优异、固含量高、储存稳定性优异、干燥速度快、施工性能优异、施工工序简单、适应建筑构件连接处材料的多样性、复杂性,并确保产品对建筑构件连接处各类材质能有效、长久密封防水的高耐水环保防水密封膏产品己成为当务之亟。Therefore, it is necessary to provide an environmentally friendly, harmless, excellent water resistance, high solid content, excellent storage stability, fast drying speed, excellent construction performance, simple construction process, adapt to the diversity and complexity of materials at the joints of building components, and ensure that the product is suitable for use. High water resistance and environmental protection waterproof sealant products that can effectively and permanently seal and waterproof the joints of building components have become a top priority.
发明内容Contents of the invention
为了克服现有防水密封膏密封效果差、泡水溶胀缩裂、与粘结面脱壳、翘边、脆裂等问题,本发明提供一种高耐水环保防水密封膏及其制备方法和应用。In order to overcome the problems of poor sealing effect of the existing waterproof sealant, swelling and shrinkage after soaking in water, peeling from the bonded surface, edge warping, brittle cracks, etc., the present invention provides a highly water-resistant and environmentally friendly waterproof sealant and its preparation method and application.
为达到上述目的,采取的技术方案为:In order to achieve the above purpose, the technical solutions adopted are:
本发明一方面提供一种防水密封膏,其包括乳化沥青、阴离子聚合物胶乳、超耐水添加剂、疏水填料和助剂;其中,所述乳化沥青的添加量为所述防水密封膏总质量的15%~35%;所述阴离子聚合物胶乳的添加量为所述防水密封膏总质量的20%~45%;所述超耐水添加剂的添加量为所述防水密封膏总质量的1%~10%;所述疏水填料的添加量为所述防水密封膏总质 量的20~45%;其中,所述超耐水添加剂为阴离子型聚合物乳液。One aspect of the present invention provides a waterproof sealing paste, which includes emulsified asphalt, anionic polymer latex, super water-resistant additives, hydrophobic fillers and auxiliary agents; wherein, the added amount of the emulsified asphalt is 15% of the total mass of the waterproof sealing paste % to 35%; the addition of the anionic polymer latex is 20% to 45% of the total mass of the waterproof sealant paste; the addition of the super water-resistant additive is 1% to 10% of the total mass of the waterproof sealant %; the added amount of the hydrophobic filler is 20-45% of the total mass of the waterproof sealing paste; wherein, the super water-resistant additive is an anionic polymer emulsion.
优选地,所述防水密封膏的固含量≥70%。Preferably, the solid content of the waterproof sealing paste is ≥70%.
优选地,所述超耐水添加剂为选自阴离子聚乙烯蜡乳液、阴离子氧化聚乙烯蜡乳液、阴离子聚丙烯蜡乳液、阴离子氧化聚丙烯蜡乳液或阴离子聚四氟乙烯乳液中的其中一种或任意两种及以上。Preferably, the super water-resistant additive is one or any of anionic polyethylene wax emulsion, anionic oxidized polyethylene wax emulsion, anionic polypropylene wax emulsion, anionic oxidized polypropylene wax emulsion or anionic polytetrafluoroethylene emulsion Two or more.
优选地,所述超耐水添加剂的添加量为所述防水密封膏总质量的3%~8%。Preferably, the added amount of the super water-resistant additive is 3%-8% of the total mass of the waterproof sealing paste.
优选地,所述阴离子聚合物胶乳为选自阴离子氯丁胶乳、阴离子丁苯胶乳、疏水改性的阴离子丙烯酸胶乳或疏水改性的阴离子苯丙胶乳中的其中一种或任意两种及以上。Preferably, the anionic polymer latex is one or any two or more selected from anionic neoprene latex, anionic styrene-butadiene latex, hydrophobically modified anionic acrylic latex or hydrophobically modified anionic styrene-acrylic latex.
优选地,所述阴离子聚合物胶乳的添加量为所述防水密封膏总质量的30%~40%。Preferably, the added amount of the anionic polymer latex is 30%-40% of the total mass of the waterproof sealant.
优选地,所述疏水填料为选自疏水改性纳米碳酸钙、疏水改性纳米滑石粉、疏水改性纳米二氧化硅或亚纳米聚四氟乙烯微粒中的其中一种或任意两种及以上。Preferably, the hydrophobic filler is one or any two or more selected from hydrophobically modified nano-calcium carbonate, hydrophobically modified nano-talc powder, hydrophobically modified nano-silica or subnano polytetrafluoroethylene particles .
优选地,所述疏水填料的添加量为所述防水密封膏总质量的30~40%。Preferably, the added amount of the hydrophobic filler is 30-40% of the total mass of the waterproof sealing paste.
优选地,所述乳化沥青包括质量比为10~30:8~25:1~3:0.5~1:0.1~0.3的沥青、水、阴离子乳化剂、非离子乳化剂和稳定剂。Preferably, the emulsified asphalt includes asphalt, water, anionic emulsifier, nonionic emulsifier and stabilizer in a mass ratio of 10-30:8-25:1-3:0.5-1:0.1-0.3.
进一步优选地,所述沥青与所述水的质量比为15~20:8~15。Further preferably, the mass ratio of the bitumen to the water is 15-20:8-15.
进一步优选地,所述沥青为选自30#沥青、50#沥青、70#沥青、90#沥青或110#沥青中的其中一种或任意两种及以上。Further preferably, the asphalt is one or any two or more selected from 30# asphalt, 50# asphalt, 70# asphalt, 90# asphalt or 110# asphalt.
进一步优选地,所述水为选自蒸馏水、去离子、自来水、工业用水或河水中的其中一种或任意两种及以上。Further preferably, the water is one or any two or more selected from distilled water, deionized water, tap water, industrial water or river water.
进一步优选地,所述阴离子乳化剂为选自烷基苯磺酸盐型乳化剂、烷基磺酸盐型乳化剂或木质素磺酸盐型乳化剂中的其中一种或任意两种及以上。Further preferably, the anionic emulsifier is one or any two or more selected from alkylbenzenesulfonate emulsifiers, alkylsulfonate emulsifiers or lignosulfonate emulsifiers .
进一步优选地,所述非离子乳化剂为选自长链脂肪醇聚氧乙烯醚、烷基酚聚氧乙烯醚、脂肪酸聚氧乙烯酯或聚醚类乳化剂中的其中一种或任意两种及以上。Further preferably, the nonionic emulsifier is one or any two selected from long-chain fatty alcohol polyoxyethylene ether, alkylphenol polyoxyethylene ether, fatty acid polyoxyethylene ester or polyether emulsifier and above.
进一步优选地,所述稳定剂为选自羧甲基纤维素钠、羟乙基纤维素、羟丙基甲基纤维素或聚乙烯醇中的其中一种或任意两种及以上。Further preferably, the stabilizer is one or any two or more selected from sodium carboxymethylcellulose, hydroxyethylcellulose, hydroxypropylmethylcellulose or polyvinyl alcohol.
优选地,所述助剂包括消泡剂、防腐剂、疏水改性的增稠剂中的一种或任意两种及以上。Preferably, the auxiliary agent includes one or any two or more of defoamers, preservatives, and hydrophobically modified thickeners.
进一步优选地,所述消泡剂、所述防腐剂、所述疏水改性的增稠剂的质量比为0.1~0.3:0.1~0.3:0.1~2.5。Further preferably, the mass ratio of the defoamer, the preservative, and the hydrophobically modified thickener is 0.1-0.3:0.1-0.3:0.1-2.5.
进一步优选地,所述消泡剂为选自矿物油类消泡剂、有机硅类消泡剂、聚醚类消泡剂或聚硅氧烷类消泡剂中的其中一种或任意两种及以上。Further preferably, the defoamer is one or any two selected from mineral oil defoamers, silicone defoamers, polyether defoamers or polysiloxane defoamers and above.
进一步优选地,所述防腐剂为选自异噻唑啉酮类防腐剂、释放甲醛类防腐剂、苯并异噻 唑啉类防腐剂或均三嗪类防腐剂中的其中一种或任意两种及以上。Further preferably, the preservative is selected from one or any two of isothiazolinone preservatives, formaldehyde-releasing preservatives, benzisothiazoline preservatives or s-triazine preservatives and above.
进一步优选地,所述疏水改性增稠剂为选自疏水改性的碱溶胀增稠剂、疏水改性的碱溶胀缔合型增稠剂或疏水改性的聚氨酯类增稠剂的其中一种或任意两种及以上。Further preferably, the hydrophobically modified thickener is selected from a hydrophobically modified alkali-swellable thickener, a hydrophobically modified alkali-swellable associative thickener or a hydrophobically modified polyurethane thickener species or any two or more.
本发明的第二方面提供一种所述的防水密封膏的制备方法,先使所述疏水填料与所述阴离子聚合物胶乳混合均匀,然后在与所述乳化沥青、所述超耐水添加剂混合均匀,最后加入所述助剂混合均匀得到所述防水密封膏。The second aspect of the present invention provides a kind of preparation method of described waterproof sealing paste, first make described hydrophobic filler and described anionic polymer latex mix uniformly, then mix with described emulsified asphalt, described super-waterproof additive , and finally add the auxiliary agent and mix evenly to obtain the waterproof sealing paste.
优选地,控制混合过程的温度为10~50℃。Preferably, the temperature of the mixing process is controlled to be 10-50°C.
优选地,所述乳化沥青通过如下步骤制得:Preferably, the emulsified asphalt is prepared through the following steps:
(1)使阴离子乳化剂、非离子乳化剂、稳定剂与水混合均匀配制成皂液,并调节所述皂液的pH至10~12;(1) Mix anionic emulsifier, nonionic emulsifier, stabilizer and water evenly to prepare soap, and adjust the pH of the soap to 10-12;
(2)将沥青加热至130~140℃,搅拌0.5~1小时;(2) Heat the asphalt to 130-140°C and stir for 0.5-1 hour;
(3)控制所述皂液的温度为30~80℃,控制步骤(2)处理后的沥青的温度为100~150℃,然后使所述皂液和所述沥青混合研磨1~3min,并控制乳化沥青的出料温度为50~95℃,自然降温获得所述乳化沥青。(3) controlling the temperature of the soap solution to be 30 to 80°C, controlling the temperature of the asphalt treated in step (2) to be 100 to 150°C, then mixing and grinding the soap solution and the asphalt for 1 to 3 minutes, and The discharge temperature of the emulsified asphalt is controlled to be 50-95° C., and the emulsified asphalt is obtained by cooling naturally.
本发明的第三方面是提供一种所述的防水密封膏在建筑防水堵缝中的应用。The third aspect of the present invention is to provide an application of the waterproof sealant in building waterproof caulking.
由于上述技术方案运用,本发明与现有技术相比具有下列优点:Due to the use of the above-mentioned technical solutions, the present invention has the following advantages compared with the prior art:
本发明通过防水密封膏的组分及配比的协同作用,使得防水密封膏具有环保无害、固含量高、耐水性优异、储存稳定性优异、干燥速度快、施工性能优异、施工工序简单、适应建筑构件连接处材料的多样性、复杂性,并确保产品对建筑构件连接处各类材质能有效、长久密封防水的优点。Through the synergistic effect of the components and proportions of the waterproof sealing paste, the present invention makes the waterproof sealing paste environmentally friendly, high solid content, excellent water resistance, excellent storage stability, fast drying speed, excellent construction performance, simple construction process, Adapt to the diversity and complexity of materials at the joints of building components, and ensure that the product can effectively and permanently seal and waterproof the various materials at the joints of building components.
具体实施方式Detailed ways
下面将说明本发明的具体实施方案。Specific embodiments of the present invention will be described below.
本发明提供了一种防水密封膏,其包括乳化沥青、阴离子聚合物胶乳、超耐水添加剂、疏水填料和助剂;其中,所述乳化沥青的添加量为所述防水密封膏总质量的15%~35%;所述阴离子聚合物胶乳的添加量为所述防水密封膏总质量的20%~45%;所述超耐水添加剂的添加量为所述防水密封膏总质量的1%~10%;所述疏水填料的添加量为所述防水密封膏总质量的20~45%;其中,所述超耐水添加剂为阴离子型聚合物乳液。The invention provides a waterproof sealing paste, which includes emulsified asphalt, anionic polymer latex, super water-resistant additives, hydrophobic fillers and auxiliary agents; wherein, the added amount of the emulsified asphalt is 15% of the total mass of the waterproof sealing paste ~35%; the addition of the anionic polymer latex is 20% to 45% of the total mass of the waterproof sealant; the addition of the super water-resistant additive is 1% to 10% of the total mass of the waterproof sealant ; The added amount of the hydrophobic filler is 20-45% of the total mass of the waterproof sealing paste; wherein, the super water-resistant additive is an anionic polymer emulsion.
本申请的防水密封膏为水性产品,其以水为溶剂,且为单组份配方,无有害物质挥发,对环境和施工人员更加友好。并且,该防水密封膏的固含量可以达到70%及以上,例如70%~80%,该防水密封膏在高固含量下仍具有优异的储存稳定性。由于该防水密封膏的固含量高,干燥速度快,并且,该防水密封膏能够常温施工,从而节约施工成本。此外,该防水密 封膏能够适应建筑构件连接处材料的多样性、复杂性,并确保产品对建筑构件连接处各类材质能有效、长久密封防水。The waterproof sealing paste of the present application is a water-based product, which uses water as a solvent, and is a one-component formula, does not volatilize harmful substances, and is more friendly to the environment and construction personnel. Moreover, the solid content of the waterproof sealing paste can reach 70% or more, such as 70%-80%, and the waterproof sealing paste still has excellent storage stability under high solid content. Because the solid content of the waterproof sealing paste is high, the drying speed is fast, and the waterproof sealing paste can be constructed at normal temperature, thereby saving construction cost. In addition, the waterproof sealant can adapt to the diversity and complexity of materials at the joints of building components, and ensure that the product can effectively and permanently seal and waterproof all kinds of materials at the joints of building components.
根据一些实施方式,所述超耐水添加剂优选采用高温性能和耐水性能优异,性质接近蜡且与水的接触角大于135°的聚合物为主要成分,该超耐水添加剂一方面能够与沥青、阴离子聚合物等通过物理共混产生分子链相互交叉的现象,使防水密封膏的稳定性更高,从而可以在保证储存稳定性的条件下,尽可能提高防水密封膏的固含量;另一方面,在防水密封膏的干燥过程中,该超耐水添加剂中的树脂成分会部分迁移至涂层表面,使涂层表面展现出一定的荷叶效应,以使涂层免受水的侵入,进一步提高防水密封膏的耐水性能。根据一些优选实施方式,所述超耐水添加剂为选自阴离子聚乙烯蜡乳液、阴离子氧化聚乙烯蜡乳液、阴离子聚丙烯蜡乳液、阴离子氧化聚丙烯蜡乳液或阴离子聚四氟乙烯乳液中的其中一种或任意两种及以上。According to some embodiments, the super water-resistant additive is preferably made of a polymer with excellent high temperature performance and water resistance, properties close to wax, and a contact angle with water greater than 135°. On the one hand, the super water-resistant additive can be polymerized with asphalt, anion The phenomenon that the molecular chains cross each other through physical blending, etc., makes the waterproof sealant more stable, so that the solid content of the waterproof sealant can be increased as much as possible under the condition of ensuring storage stability; on the other hand, in During the drying process of the waterproof sealant, the resin component in the super water-resistant additive will partially migrate to the surface of the coating, so that the surface of the coating will show a certain lotus leaf effect, so that the coating will be protected from water intrusion, and the waterproof seal will be further improved. Water resistance of paste. According to some preferred embodiments, the super water-resistant additive is one selected from anionic polyethylene wax emulsion, anionic oxidized polyethylene wax emulsion, anionic polypropylene wax emulsion, anionic oxidized polypropylene wax emulsion or anionic polytetrafluoroethylene emulsion. species or any two or more.
进一步地,所述超耐水添加剂的添加量为所述防水密封膏总质量的3%~8%,例如3.5%,4%,4.5%,5%,5.5%,6%,6.5%,7%,7.5%。若该超耐水添加剂的添加量过低,则防水密封膏的耐水性能不足;若添加量过高,则会影响防水密封膏与基材的粘结性能和低温性能。Further, the added amount of the super water-resistant additive is 3% to 8% of the total mass of the waterproof sealant, such as 3.5%, 4%, 4.5%, 5%, 5.5%, 6%, 6.5%, 7% , 7.5%. If the added amount of the super water-resistant additive is too low, the water resistance of the waterproof sealing paste will be insufficient; if the added amount is too high, the bonding performance and low-temperature performance of the waterproof sealing paste and the base material will be affected.
根据一些实施方式,所述阴离子聚合物胶乳优选采用柔性的,具有较好的低温性能和回弹性能,耐水性能优异,性质更加接近橡胶的聚合物为主要成分。根据一些具体且优选实施方式,所述阴离子聚合物胶乳为选自阴离子氯丁胶乳、阴离子丁苯胶乳、疏水改性的阴离子丙烯酸胶乳或疏水改性的阴离子苯丙胶乳中的其中一种或任意两种及以上。According to some embodiments, the anionic polymer latex is preferably flexible, has good low-temperature performance and rebound performance, excellent water resistance, and a polymer whose properties are closer to rubber. According to some specific and preferred embodiments, the anionic polymer latex is one or any of anionic neoprene latex, anionic styrene-butadiene latex, hydrophobically modified anionic acrylic latex or hydrophobically modified anionic styrene-acrylic latex Two or more.
进一步地,所述阴离子聚合物胶乳的添加量为所述防水密封膏总质量的30%~40%,例如31%、32%、33%、34%、35%、36%、37%、38%、39%。若阴离子聚合物胶乳的用量过低,则防水密封膏的-10℃的低温性能难以达标,且与多种基材的粘结性能也有所不足;若添加量过高,则会明显增加产品的成本。Further, the amount of the anionic polymer latex added is 30% to 40% of the total mass of the waterproof sealant, such as 31%, 32%, 33%, 34%, 35%, 36%, 37%, 38% %, 39%. If the amount of anionic polymer latex is too low, the low-temperature performance of the waterproof sealant at -10°C is difficult to meet the standard, and the bonding performance with various substrates is also insufficient; if the amount added is too high, it will significantly increase the product’s cost.
根据一些实施方式,所述疏水填料为选自疏水改性纳米碳酸钙、疏水改性纳米滑石粉、疏水改性纳米二氧化硅或亚纳米聚四氟乙烯微粒中的其中一种或任意两种及以上。优选的疏水填料有助于提升防水密封膏的耐水性能和储存稳定性。According to some embodiments, the hydrophobic filler is one or any two selected from hydrophobically modified nano-calcium carbonate, hydrophobically modified nano-talc powder, hydrophobically modified nano-silica, or subnano polytetrafluoroethylene particles. and above. The preferred hydrophobic filler helps to improve the water resistance and storage stability of the waterproof sealant.
进一步地,所述疏水填料的添加量为所述防水密封膏总质量的30~40%,例如31%、32%、33%、34%、35%、36%、37%、38%、39%。若疏水填料的用量过低,则防水密封膏的固含量较低,导致施工时间延长;若疏水填料的用量过高,则防水密封膏的储存稳定性不佳,产品各种性能会显著下降。Further, the added amount of the hydrophobic filler is 30-40% of the total mass of the waterproof sealing paste, such as 31%, 32%, 33%, 34%, 35%, 36%, 37%, 38%, 39% %. If the amount of hydrophobic filler is too low, the solid content of the waterproof sealant will be low, resulting in prolonged construction time; if the amount of hydrophobic filler is too high, the storage stability of the waterproof sealant will be poor, and various performances of the product will be significantly reduced.
根据一些实施方式,所述乳化沥青采用自行配置的慢裂慢凝型阴离子乳化沥青。优选地,所述乳化沥青包括质量比为10~30:8~25:1~3:0.5~1:0.1~0.3的沥青、水、慢裂慢凝型阴离 子乳化剂、非离子乳化剂和稳定剂。进一步优选地,所述沥青与所述水的质量比为15~20:8~15,更优选为15~20:8~10。According to some embodiments, the emulsified asphalt is self-configured slow-cracking and slow-setting anionic emulsified asphalt. Preferably, the emulsified asphalt includes asphalt, water, slow-cracking and slow-setting anionic emulsifier, non-ionic emulsifier and stabilizing agent. Further preferably, the mass ratio of the bitumen to the water is 15-20:8-15, more preferably 15-20:8-10.
其中,沥青可根据具体需要、取材便捷度、成分方面考虑选择适合的沥青种类。优选地,所述沥青为选自30#沥青、50#沥青、70#沥青、90#沥青或110#沥青中的其中一种或任意两种及以上。Among them, the asphalt can be selected according to the specific needs, the convenience of obtaining materials, and the composition of the asphalt. Preferably, the asphalt is one or any two or more selected from 30# asphalt, 50# asphalt, 70# asphalt, 90# asphalt or 110# asphalt.
进一步优选地,所述水为选自蒸馏水、去离子、自来水、工业用水或河水中的其中一种或任意两种及以上。Further preferably, the water is one or any two or more selected from distilled water, deionized water, tap water, industrial water or river water.
进一步优选地,所述阴离子乳化剂采用对Ca 2+、Mg 2+等金属离子稳定性和耐水性优异的慢裂慢凝型阴离子乳化剂。例如,所述阴离子乳化剂为选自烷基苯磺酸盐型乳化剂、烷基磺酸盐型乳化剂或木质素磺酸盐型乳化剂中的其中一种或任意两种及以上。 Further preferably, the anionic emulsifier is a slow-cracking and slow-setting anionic emulsifier with excellent stability and water resistance to metal ions such as Ca 2+ and Mg 2+ . For example, the anionic emulsifier is one or any two or more selected from alkylbenzenesulfonate emulsifiers, alkylsulfonate emulsifiers or lignosulfonate emulsifiers.
进一步优选地,所述非离子乳化剂为选自长链脂肪醇聚氧乙烯醚、烷基酚聚氧乙烯醚、脂肪酸聚氧乙烯酯或聚醚类乳化剂中的其中一种或任意两种及以上。Further preferably, the nonionic emulsifier is one or any two selected from long-chain fatty alcohol polyoxyethylene ether, alkylphenol polyoxyethylene ether, fatty acid polyoxyethylene ester or polyether emulsifier and above.
进一步优选地,所述稳定剂为选自羧甲基纤维素钠、羟乙基纤维素、羟丙基甲基纤维素或聚乙烯醇中的其中一种或任意两种及以上。通过采用该些优选种类的稳定剂,能够进一步提升阴离子乳化沥青和防水密封膏的储存稳定性。Further preferably, the stabilizer is one or any two or more selected from sodium carboxymethylcellulose, hydroxyethylcellulose, hydroxypropylmethylcellulose or polyvinyl alcohol. By using these preferred types of stabilizers, the storage stability of the anionic emulsified asphalt and waterproof sealant can be further improved.
优选地,所述助剂包括消泡剂、防腐剂、疏水改性的增稠剂中的一种或任意两种及以上。进一步优选地,所述消泡剂、所述防腐剂、所述疏水改性的增稠剂的质量比为0.1~0.3:0.1~0.3:0.1~2.5。Preferably, the auxiliary agent includes one or any two or more of defoamers, preservatives, and hydrophobically modified thickeners. Further preferably, the mass ratio of the defoamer, the preservative, and the hydrophobically modified thickener is 0.1-0.3:0.1-0.3:0.1-2.5.
进一步优选地,所述消泡剂为选自矿物油类消泡剂、有机硅类消泡剂、聚醚类消泡剂或聚硅氧烷类消泡剂中的其中一种或任意两种及以上。通过采用该些优选种类的消泡剂,可以与配方中的其他组分更好的配合,以进一步提高消泡效果。Further preferably, the defoamer is one or any two selected from mineral oil defoamers, silicone defoamers, polyether defoamers or polysiloxane defoamers and above. By using these preferred types of defoamers, they can be better coordinated with other components in the formula to further improve the defoaming effect.
进一步优选地,所述防腐剂为选自异噻唑啉酮类防腐剂、释放甲醛类防腐剂、苯并异噻唑啉类防腐剂或均三嗪类防腐剂中的其中一种或任意两种及以上。优选的防腐剂种类与该配方中的其他组分配合更佳,以使防腐效果更好。Further preferably, the preservative is selected from one or any two of isothiazolinone preservatives, formaldehyde-releasing preservatives, benzisothiazoline preservatives or s-triazine preservatives and above. The preferred type of preservative is better coordinated with other components in the formula to make the preservative effect better.
进一步优选地,所述疏水改性增稠剂为选自疏水改性的碱溶胀增稠剂、疏水改性的碱溶胀缔合型增稠剂或疏水改性的聚氨酯类增稠剂的其中一种或任意两种及以上。优选的疏水改性增稠剂调节防水密封膏的粘度和耐水性能,且成本低。Further preferably, the hydrophobically modified thickener is selected from a hydrophobically modified alkali-swellable thickener, a hydrophobically modified alkali-swellable associative thickener or a hydrophobically modified polyurethane thickener species or any two or more. The preferred hydrophobically modified thickener adjusts the viscosity and water resistance of the waterproof sealant, and is low in cost.
本发明的防水密封膏的制备方法,包括以下步骤:The preparation method of waterproof sealing paste of the present invention comprises the following steps:
1)按所述重量份数比分别称取各原料,之后将阴离子乳化剂、非离子乳化剂和稳定剂加入水中混匀,配制成皂液,之后将该皂液的pH值调至10-12,备用;1) Weigh each raw material respectively according to the weight and number ratio, then add anionic emulsifier, nonionic emulsifier and stabilizer into water and mix well, and prepare soap liquid, then adjust the pH value of the soap liquid to 10- 12, standby;
2)将沥青加热至130-140℃,搅拌0.5-1小时,备用;2) Heat the asphalt to 130-140°C, stir for 0.5-1 hour, and set aside;
3)将步骤1)获得的皂液与步骤2)获得的沥青通过胶体磨混合研磨1-3min,自然降温至室温,获得乳化沥青;3) Mix and grind the soap solution obtained in step 1) and the asphalt obtained in step 2) through a colloid mill for 1-3 minutes, and cool down to room temperature naturally to obtain emulsified asphalt;
4)将超耐水填料缓慢加入阴离子聚合物胶乳中,将二者混合均匀,得到改性阴离子聚合物胶乳;4) Slowly add the super water-resistant filler into the anionic polymer latex, mix the two evenly, and obtain the modified anionic polymer latex;
5)将步骤3)制备的乳化沥青缓慢加入步骤4)制备的改性阴离子聚合物胶乳中,并加入超耐水添加剂,混合均匀;之后向其中加入消泡剂和防腐剂,混合均匀;再缓慢加入疏水改性增稠剂,混合均匀,即得到高耐水环保防水密封膏。5) Slowly add the emulsified asphalt prepared in step 3) to the modified anionic polymer latex prepared in step 4), and add super water-resistant additives, mix well; then add defoamer and preservative to it, mix well; then slowly Add a hydrophobic modified thickener and mix evenly to obtain a highly water-resistant and environmentally friendly waterproof sealant.
优选地,步骤(1)中优选用质量浓度百分比8-12%的NaOH水溶液调节皂液的pH值。Preferably, in step (1), the pH value of the soap solution is preferably adjusted with an aqueous NaOH solution with a mass concentration percentage of 8-12%.
优选地,步骤3)中,通过加热使所述皂液在通过胶体磨混合研磨之前的温度为30-80℃,通过加热使改性沥青在通过胶体磨混合研磨之前的温度为100-150℃;胶体磨混合研磨过程中控制所述乳化沥青的出料温度为50-95℃。Preferably, in step 3), the temperature of the soap liquid is 30-80° C. before being mixed and ground by the colloid mill by heating, and the temperature of the modified asphalt is 100-150° C. before being mixed and ground by the colloid mill ; During the mixing and grinding process of the colloid mill, the discharge temperature of the emulsified asphalt is controlled to be 50-95°C.
优选地,步骤4)和步骤5)中分别控制混合过程的温度在10-50℃之间。Preferably, in step 4) and step 5), the temperature of the mixing process is respectively controlled between 10-50°C.
优选的各温度参数使得所述防水密封膏的性能更加优异。The preferred temperature parameters make the performance of the waterproof sealing paste more excellent.
本发明的防水密封膏的制备工序简单便捷,耗时少。其中优选的各工艺参数保证了该防水涂料各组分的充分相互作用,确保了防水密封膏的优良性能。The preparation procedure of the waterproof sealing paste of the present invention is simple and convenient, and takes less time. Among them, the optimized process parameters ensure the full interaction of the various components of the waterproof coating and ensure the excellent performance of the waterproof sealing paste.
与现有技术相比,本发明的防水密封膏具有以下优点:Compared with the prior art, the waterproof sealing paste of the present invention has the following advantages:
(1)本申请的高耐水环保防水密封膏是一种新型水性环保建筑防水用密封产品,可以常温刮涂施工,具有优异的抗流挂性能和储存稳定性能,优异的与不同基材的粘结性能,快速干燥性能及优异的耐水性能;(1) The high water resistance and environmental protection waterproof sealing paste of the present application is a new type of water-based environmental protection building waterproof sealing product, which can be applied by scraping at room temperature, has excellent anti-sag performance and storage stability, and has excellent adhesion to different substrates. knot performance, fast drying performance and excellent water resistance;
(2)该高耐水环保防水密封膏固含量高,水分挥发速度快,实干时间短,与沥青基防水卷材及水泥、铝板、塑料等多种基材具有优异粘结性能,特别适用于建筑防水堵缝施工;且施工工艺简单,环保无毒无污染,是一种“七分产品,三分施工”的产品;(2) The high water resistance and environmental protection waterproof sealing paste has high solid content, fast water volatilization speed, and short drying time. It has excellent bonding performance with asphalt-based waterproof membranes and various substrates such as cement, aluminum plates, and plastics, and is especially suitable for construction. Waterproof caulking construction; and the construction process is simple, environmentally friendly, non-toxic and non-polluting, it is a "seven-point product, three-point construction" product;
(3)该高耐水环保防水密封膏采用水作为溶剂,不含苯、甲苯、二甲苯等有害有机挥发溶剂,产品绿色环保无污染,且对施工人员无任何健康危害。(3) The highly water-resistant and environmentally friendly waterproof sealing paste uses water as a solvent and does not contain harmful organic volatile solvents such as benzene, toluene, and xylene. The product is green, environmentally friendly, and pollution-free, and has no health hazards to construction workers.
下面结合具体实施例详细说明本发明的技术方案,以便本领域技术人员更好理解和实施本发明的技术方案,但并不因此将本发明限制在所述的实例范围之中。The technical solutions of the present invention will be described in detail below in conjunction with specific examples, so that those skilled in the art can better understand and implement the technical solutions of the present invention, but the present invention is not therefore limited to the scope of the examples.
下述实施例中的原料均可以市购获得,胶乳、乳液等原料采用何种固含量可以根据需要选择,能够保证防水密封膏固含量达到70%及以上即可。The raw materials in the following examples can be obtained commercially, and the solid content of latex, emulsion and other raw materials can be selected according to the needs, as long as the solid content of the waterproof sealant can reach 70% or more.
对比例comparative example
该例的一种高耐水环保防水密封膏,主要由以下组分按照以下重量份数比制备而成:A highly water-resistant and environmentally friendly waterproof sealing paste in this example is mainly prepared from the following components according to the following weight and part ratios:
Figure PCTCN2022108521-appb-000001
Figure PCTCN2022108521-appb-000001
所述高耐水环保防水密封膏的制备方法,包括以下依次进行的步骤:The preparation method of the highly water-resistant environmental protection waterproof sealant comprises the following steps carried out in sequence:
1)按所述重量份数比分别称取各原料,之后将羧酸盐型乳化剂、长链脂肪醇聚氧乙烯醚和羧甲基纤维素钠加入蒸馏水中混匀,配制成皂液,之后将该皂液的pH值调至11;1) Weigh each raw material respectively according to the weight and number ratio, then add carboxylate emulsifier, long-chain fatty alcohol polyoxyethylene ether and carboxymethyl cellulose sodium into distilled water and mix well, and prepare soap liquid, Then adjust the pH value of the soap solution to 11;
2)将70#沥青加热至135℃,搅拌0.8小时,待用;2) Heat 70# asphalt to 135°C, stir for 0.8 hours, and set aside;
3)将步骤1)获得的皂液与步骤2)获得的沥青通过胶体磨混合研磨1min,自然降温至室温,获得乳化沥青;3) Mix and grind the soap liquid obtained in step 1) and the asphalt obtained in step 2) through a colloid mill for 1 min, and cool down to room temperature naturally to obtain emulsified asphalt;
4)将碳酸钙缓慢加入阴离子丙烯酸胶乳中,将二者混合均匀,得到改性阴离子聚合物胶乳;4) Calcium carbonate is slowly added in the anionic acrylic latex, and the two are mixed uniformly to obtain the modified anionic polymer latex;
5)将步骤3)制备的乳化沥青缓慢加入步骤4)制备的改性阴离子聚合物胶乳中,混合均匀;之后向其中加入矿物油类消泡剂和异噻唑啉酮类防腐剂,混合均匀;再缓慢加入聚丙烯酸类增稠剂,混合均匀,即得到防水密封膏。5) Slowly add the emulsified asphalt prepared in step 3) to the modified anionic polymer latex prepared in step 4), and mix uniformly; then add mineral oil defoamer and isothiazolinone preservative to it, and mix uniformly; Then slowly add polyacrylic acid thickener and mix evenly to obtain waterproof sealing paste.
步骤3)中,通过加热使所述皂液在通过胶体磨混合研磨之前的温度为60℃,通过加热使改性沥青在通过胶体磨混合研磨之前的温度为120℃;胶体磨混合研磨过程中控制所述乳化沥青的出料温度为80℃;步骤4)和步骤5)中分别控制混合过程的温度在30℃之间。In step 3), the temperature of the soap liquid before being mixed and ground by the colloid mill is 60° C. by heating, and the temperature of the modified asphalt is 120° C. before being mixed and ground by the colloid mill; The discharge temperature of the emulsified asphalt is controlled to be 80° C.; the temperature of the mixing process is respectively controlled between 30° C. in step 4) and step 5).
实施例1Example 1
本发明所述的一种高耐水环保防水密封膏,主要由以下组分按照以下重量份数比制备而成:A highly water-resistant and environmentally friendly waterproof sealing paste according to the present invention is mainly prepared from the following components according to the following weight and part ratios:
Figure PCTCN2022108521-appb-000002
Figure PCTCN2022108521-appb-000002
Figure PCTCN2022108521-appb-000003
Figure PCTCN2022108521-appb-000003
所述高耐水环保防水密封膏的制备方法,包括以下依次进行的步骤:The preparation method of the highly water-resistant environmental protection waterproof sealant comprises the following steps carried out in sequence:
1)按所述重量份数比分别称取各原料,之后将烷基苯磺酸盐型乳化剂、长链脂肪醇聚氧乙烯醚和羧甲基纤维素钠加入蒸馏水中混匀,配制成皂液,之后将该皂液的pH值调至11;1) Weigh each raw material according to the weight and number ratio, and then add alkylbenzene sulfonate emulsifier, long-chain fatty alcohol polyoxyethylene ether and sodium carboxymethyl cellulose into distilled water and mix evenly to prepare Soap, after which the pH of the soap is adjusted to 11;
2)将30#沥青加热至135℃,搅拌0.8小时,待用;2) Heat 30# asphalt to 135°C, stir for 0.8 hours, and set aside;
3)将步骤1)获得的皂液与步骤2)获得的沥青通过胶体磨混合研磨2min,自然降温至室温,获得乳化沥青;3) Mix and grind the soap liquid obtained in step 1) and the asphalt obtained in step 2) through a colloid mill for 2 minutes, and cool down to room temperature naturally to obtain emulsified asphalt;
4)将疏水改性纳米碳酸钙缓慢加入阴离子氯丁胶乳中,将二者混合均匀,并加入阴离子聚乙烯蜡乳液,搅拌均匀,得到改性阴离子聚合物胶乳;4) slowly adding hydrophobically modified nano-calcium carbonate into the anionic neoprene latex, mixing the two evenly, and adding anionic polyethylene wax emulsion, stirring evenly to obtain a modified anionic polymer latex;
5)将步骤3)制备的乳化沥青缓慢加入步骤4)制备的改性阴离子聚合物胶乳中,混合均匀;之后向其中加入矿物油类消泡剂和异噻唑啉酮类防腐剂,混合均匀;再缓慢加入疏水改性的碱溶胀增稠剂,混合均匀,即得到高耐水环保防水密封膏。5) Slowly add the emulsified asphalt prepared in step 3) to the modified anionic polymer latex prepared in step 4), and mix uniformly; then add mineral oil defoamer and isothiazolinone preservative to it, and mix uniformly; Then slowly add the hydrophobically modified alkali-swellable thickener and mix evenly to obtain a highly water-resistant and environmentally friendly waterproof sealant.
步骤3)中,通过加热使所述皂液在通过胶体磨混合研磨之前的温度为60℃,通过加热使改性沥青在通过胶体磨混合研磨之前的温度为120℃;胶体磨混合研磨过程中控制所述乳化沥青的出料温度为80℃;步骤4)和步骤5)中分别控制混合过程的温度在30℃之间。In step 3), the temperature of the soap liquid before being mixed and ground by the colloid mill is 60° C. by heating, and the temperature of the modified asphalt is 120° C. before being mixed and ground by the colloid mill; The discharge temperature of the emulsified asphalt is controlled to be 80° C.; the temperature of the mixing process is respectively controlled between 30° C. in step 4) and step 5).
实施例2Example 2
本发明所述的一种高耐水环保防水密封膏,主要由以下组分按照以下重量份数比制备而成:A highly water-resistant and environmentally friendly waterproof sealing paste according to the present invention is mainly prepared from the following components according to the following weight and part ratios:
Figure PCTCN2022108521-appb-000004
Figure PCTCN2022108521-appb-000004
Figure PCTCN2022108521-appb-000005
Figure PCTCN2022108521-appb-000005
所述高耐水环保防水密封膏的制备方法,包括以下依次进行的步骤:The preparation method of the highly water-resistant environmental protection waterproof sealant comprises the following steps carried out in sequence:
1)按所述重量份数比分别称取各原料,之后将烷基磺酸盐型乳化剂、烷基酚聚氧乙烯醚和羟乙基纤维素加入去离子水中混匀,配制成皂液,之后将该皂液的pH值调至10;1) Weigh each raw material according to the weight and part ratio, then add alkylsulfonate emulsifier, alkylphenol polyoxyethylene ether and hydroxyethyl cellulose into deionized water and mix well, and prepare soap solution , and then adjust the pH value of the soap solution to 10;
2)将50#沥青加热至140℃,搅拌0.5小时,备用;2) Heat 50# asphalt to 140°C, stir for 0.5 hours, and set aside;
3)将步骤1)获得的皂液与步骤2)获得的沥青通过胶体磨混合研磨3min,自然降温至室温,获得乳化沥青;3) Mix and grind the soap solution obtained in step 1) and the asphalt obtained in step 2) through a colloid mill for 3 minutes, and cool down to room temperature naturally to obtain emulsified asphalt;
4)将疏水改性纳米滑石粉缓慢加入阴离子丁苯胶乳中,将二者混合均匀,并加入阴离子聚丙烯蜡乳液,搅拌均匀,得到改性阴离子聚合物胶乳;4) slowly adding hydrophobically modified nano-talc powder into the anionic styrene-butadiene latex, mixing the two evenly, and adding an anionic polypropylene wax emulsion, stirring evenly to obtain a modified anionic polymer latex;
5)将步骤3)制备的乳化沥青缓慢加入步骤4)制备的改性阴离子聚合物胶乳中,混合均匀;之后向其中加入有机硅类消泡剂和释放甲醛类防腐剂,混合均匀;再缓慢加入疏水改性的碱溶胀缔合型增稠剂,混合均匀,即得到高耐水环保防水密封膏。5) Slowly add the emulsified asphalt prepared in step 3) to the modified anionic polymer latex prepared in step 4), and mix evenly; then add a silicone defoamer and a formaldehyde-releasing preservative to it, mix evenly; then slowly Add hydrophobically modified alkali-swellable associative thickener and mix evenly to obtain a highly water-resistant and environmentally friendly waterproof sealant.
步骤3)中,通过加热使所述皂液在通过胶体磨混合研磨之前的温度为30℃,通过加热使改性沥青在通过胶体磨混合研磨之前的温度为150℃;胶体磨混合研磨过程中控制所述乳化沥青的出料温度为50℃;步骤4)和步骤5)中分别控制混合过程的温度在50℃之间。In step 3), the temperature of the soap liquid before passing through the colloid mill for mixing and grinding is 30°C by heating, and the temperature of the modified asphalt before passing through the colloid mill for mixing and grinding is 150°C; during the mixing and grinding process of the colloid mill The discharge temperature of the emulsified asphalt is controlled to be 50° C.; the temperature of the mixing process is respectively controlled between 50° C. in step 4) and step 5).
实施例3Example 3
本发明所述的一种高耐水环保防水密封膏,主要由以下组分按照以下重量份数比制备而成:A highly water-resistant and environmentally friendly waterproof sealing paste according to the present invention is mainly prepared from the following components according to the following weight and part ratios:
Figure PCTCN2022108521-appb-000006
Figure PCTCN2022108521-appb-000006
Figure PCTCN2022108521-appb-000007
Figure PCTCN2022108521-appb-000007
所述高耐水环保防水密封膏的制备方法,包括以下依次进行的步骤:The preparation method of the highly water-resistant environmental protection waterproof sealant comprises the following steps carried out in sequence:
1)按所述重量份数比分别称取各原料,之后将木质素磺酸盐型乳化剂、脂肪酸聚氧乙烯酯和羟丙基甲基纤维素加入自来水中混匀,配制成皂液,之后将该皂液的pH值调至12;1) Weigh each raw material respectively according to the weight and number ratio, then add lignosulfonate emulsifier, polyoxyethylene fatty acid ester and hydroxypropyl methylcellulose into tap water and mix well, and prepare soap liquid, Then adjust the pH value of the soap solution to 12;
2)将70#沥青加热至130-140℃,搅拌1小时,备用;2) Heat 70# asphalt to 130-140°C, stir for 1 hour, and set aside;
3)将步骤1)获得的皂液与步骤2)获得的沥青通过胶体磨混合研磨1min,自然降温至室温,获得乳化沥青;3) Mix and grind the soap liquid obtained in step 1) and the asphalt obtained in step 2) through a colloid mill for 1 min, and cool down to room temperature naturally to obtain emulsified asphalt;
4)将疏水改性纳米二氧化硅缓慢加入疏水改性的阴离子丙烯酸胶乳中,将二者混合均匀,并加入阴离子聚四氟乙烯乳液,搅拌均匀,得到改性阴离子聚合物胶乳;4) slowly adding hydrophobically modified nano-silica to hydrophobically modified anionic acrylic latex, mixing the two evenly, adding anionic polytetrafluoroethylene emulsion, and stirring evenly to obtain modified anionic polymer latex;
5)将步骤3)制备的乳化沥青缓慢加入步骤4)制备的改性阴离子聚合物胶乳中,混合均匀;之后向其中加入聚醚类消泡剂和苯并异噻唑啉类防腐剂,混合均匀;再缓慢加入疏水改性的聚氨酯类增稠剂,混合均匀,即得到高耐水环保防水密封膏。5) Slowly add the emulsified asphalt prepared in step 3) to the modified anionic polymer latex prepared in step 4), and mix evenly; then add polyether defoamer and benzisothiazoline preservative to it, and mix evenly ; Slowly add the hydrophobically modified polyurethane thickener and mix evenly to obtain a highly water-resistant and environmentally friendly waterproof sealant.
步骤3)中,通过加热使所述皂液在通过胶体磨混合研磨之前的温度为80℃,通过加热使改性沥青在通过胶体磨混合研磨之前的温度为100℃;胶体磨混合研磨过程中控制所述乳化沥青的出料温度为95℃;步骤4)和步骤5)中分别控制混合过程的温度在10℃之间。In step 3), the temperature of the soap liquid before being mixed and ground by the colloid mill is 80° C. by heating, and the temperature of the modified asphalt is 100° C. before being mixed and ground by the colloid mill; The discharge temperature of the emulsified asphalt is controlled to be 95° C.; the temperature of the mixing process is controlled between 10° C. in step 4) and step 5).
实施例4Example 4
本发明所述的一种高耐水环保防水密封膏,主要由以下组分按照以下重量份数比制备而成:A high water resistance and environmental protection waterproof sealing paste according to the present invention is mainly prepared from the following components according to the following ratios by weight and number:
Figure PCTCN2022108521-appb-000008
Figure PCTCN2022108521-appb-000008
所述高耐水环保防水密封膏的制备方法,包括以下依次进行的步骤:The preparation method of the highly water-resistant environmental protection waterproof sealant comprises the following steps carried out in sequence:
1)按所述重量份数比分别称取各原料,之后将烷基苯磺酸盐型乳化剂、聚醚类乳化剂和 聚乙烯醇加入工业用水中混匀,配制成皂液,之后将该皂液的pH值调至10;1) Weigh each raw material respectively according to the ratio of parts by weight, then add alkylbenzenesulfonate emulsifier, polyether emulsifier and polyvinyl alcohol into industrial water and mix evenly, and prepare soap liquid, then put The pH value of the soap is adjusted to 10;
2)将90#沥青加热至130℃,搅拌1小时,备用;2) Heat 90# asphalt to 130°C, stir for 1 hour, and set aside;
3)将步骤1)获得的皂液与步骤2)获得的改性沥青通过胶体磨混合研磨2min,自然降温至室温,获得乳化沥青;3) Mix and grind the soap solution obtained in step 1) and the modified asphalt obtained in step 2) through a colloid mill for 2 minutes, and cool down to room temperature naturally to obtain emulsified asphalt;
4)将亚纳米聚四氟乙烯微粒缓慢加入疏水改性的阴离子苯丙胶乳中,将二者混合均匀,并加入阴离子聚乙烯蜡乳液,搅拌均匀,得到改性阴离子聚合物胶乳;4) Slowly add subnanometer polytetrafluoroethylene particles into the hydrophobically modified anionic styrene-acrylic latex, mix the two evenly, add anionic polyethylene wax emulsion, and stir evenly to obtain a modified anionic polymer latex;
5)将步骤3)制备的乳化沥青缓慢加入步骤4)制备的改性阴离子聚合物胶乳中,混合均匀;之后向其中加入聚硅氧烷类消泡剂和均三嗪类防腐剂,混合均匀;再缓慢加入疏水改性的碱溶胀增稠剂,混合均匀,即得到高耐水环保防水密封膏。5) Slowly add the emulsified asphalt prepared in step 3) to the modified anionic polymer latex prepared in step 4), and mix uniformly; then add polysiloxane defoamer and s-triazine preservative to it, and mix uniformly ; Then slowly add hydrophobically modified alkali-swellable thickener and mix evenly to obtain a highly water-resistant and environmentally friendly waterproof sealant.
步骤3)中,通过加热使所述皂液在通过胶体磨混合研磨之前的温度为80℃,通过加热使改性沥青在通过胶体磨混合研磨之前的温度为100℃;胶体磨混合研磨过程中控制所述乳化沥青的出料温度为50℃;步骤4)和步骤5)中分别控制混合过程的温度在50℃之间。In step 3), the temperature of the soap liquid before being mixed and ground by the colloid mill is 80° C. by heating, and the temperature of the modified asphalt is 100° C. before being mixed and ground by the colloid mill; The discharge temperature of the emulsified asphalt is controlled to be 50° C.; the temperature of the mixing process is respectively controlled between 50° C. in step 4) and step 5).
实施例5Example 5
本发明所述的一种高耐水环保防水密封膏,主要由以下组分按照以下重量份数比制备而成:A high water resistance and environmental protection waterproof sealing paste according to the present invention is mainly prepared from the following components according to the following ratios by weight and number:
Figure PCTCN2022108521-appb-000009
Figure PCTCN2022108521-appb-000009
所述高耐水环保防水密封膏的制备方法,包括以下依次进行的步骤:The preparation method of the highly water-resistant environmental protection waterproof sealant comprises the following steps carried out in sequence:
1)按所述重量份数比分别称取各原料,之后将烷基磺酸盐型乳化剂、长链脂肪醇聚氧乙烯醚、羟乙基纤维素加入河水中混匀,配制成皂液,之后将该皂液的pH值调至12;1) Weigh each raw material according to the weight and part ratio, and then add alkyl sulfonate emulsifier, long-chain fatty alcohol polyoxyethylene ether, and hydroxyethyl cellulose into river water and mix evenly, and prepare soap liquid , and then adjust the pH value of the soap to 12;
2)将110#沥青加热至130℃,搅拌1小时,备用;2) Heat 110# asphalt to 130°C, stir for 1 hour, and set aside;
3)将步骤1)获得的皂液与步骤2)获得的沥青通过胶体磨混合研磨1min,自然降温至 室温,获得乳化沥青;3) The soap solution obtained in step 1) is mixed with the asphalt obtained in step 2) for 1 min through a colloid mill, and the temperature is naturally cooled to room temperature to obtain emulsified asphalt;
4)将疏水改性纳米二氧化硅缓慢加入疏水改性的阴离子丙烯酸胶乳中,将二者混合均匀,并加入阴离子聚乙烯蜡乳液,搅拌均匀,得到改性阴离子聚合物胶乳;4) Slowly add hydrophobically modified nano-silica to hydrophobically modified anionic acrylic latex, mix the two evenly, add anionic polyethylene wax emulsion, stir evenly, and obtain modified anionic polymer latex;
5)将步骤3)制备的乳化沥青缓慢加入步骤4)制备的改性阴离子聚合物胶乳中,混合均匀;之后向其中加入有机硅类消泡剂和异噻唑啉酮类防腐剂,混合均匀;再缓慢加入疏水改性的碱溶胀缔合型增稠剂,混合均匀,即得到高耐水环保防水密封膏。5) Slowly add the emulsified asphalt prepared in step 3) to the modified anionic polymer latex prepared in step 4), and mix evenly; then add a silicone defoamer and an isothiazolinone preservative to it, and mix evenly; Then slowly add the hydrophobically modified alkali-swellable associative thickener and mix evenly to obtain a highly water-resistant and environmentally friendly waterproof sealant.
步骤3)中,通过加热使所述皂液在通过胶体磨混合研磨之前的温度为30℃,通过加热使改性沥青在通过胶体磨混合研磨之前的温度为150℃;胶体磨混合研磨过程中控制所述乳化沥青的出料温度为50℃;步骤4)和步骤5)中分别控制混合过程的温度在50℃之间。In step 3), the temperature of the soap liquid before passing through the colloid mill for mixing and grinding is 30°C by heating, and the temperature of the modified asphalt before passing through the colloid mill for mixing and grinding is 150°C; during the mixing and grinding process of the colloid mill The discharge temperature of the emulsified asphalt is controlled to be 50° C.; the temperature of the mixing process is respectively controlled between 50° C. in step 4) and step 5).
性能测试实验数据:Performance test experimental data:
一、高耐水环保防水密封膏性能测试1. Performance test of high water resistance, environmental protection and waterproof sealant
1)依据标准JGT 501-2016《建筑构件连接处防水密封膏》、GBT 16777-2008《建筑防水涂料试验方法》及JC1066-2008《建筑防水涂料中有害物质限量》中的检测方法将各实施例的高耐水环保防水密封膏进行相关指标检测,检测结果如表1所示:1) According to the detection method in the standard JGT 501-2016 "Waterproof sealant for joints of building components", GBT 16777-2008 "Test method for building waterproof coatings" and JC1066-2008 "Limits of harmful substances in building waterproof coatings", each embodiment The high water-resistant environmental protection waterproof sealant was tested for relevant indicators, and the test results are shown in Table 1:
表1 高耐水环保防水密封膏性能测试结果Table 1 Performance test results of high water resistance and environmental protection waterproof sealant
Figure PCTCN2022108521-appb-000010
Figure PCTCN2022108521-appb-000010
Figure PCTCN2022108521-appb-000011
Figure PCTCN2022108521-appb-000011
从表1的粘结性能参数检测结果可以看出本案的高耐水环保防水密封膏与各种施工基层(基面)粘结性能优异。From the test results of the bonding performance parameters in Table 1, it can be seen that the high water resistance and environmental protection waterproof sealant in this case has excellent bonding performance with various construction bases (base surfaces).
2)另外,各实施例的高耐水环保防水密封膏室温密闭存储6个月,无破乳、凝胶、结块等不良现象出现,其储存稳定性优异。2) In addition, the highly water-resistant, environmentally-friendly and waterproof sealing pastes of each embodiment were stored in airtight storage at room temperature for 6 months, without demulsification, gelation, caking and other adverse phenomena, and their storage stability was excellent.
二、高耐水环保防水密封膏耐水性能测试2. High water resistance and environmental protection waterproof sealing paste water resistance performance test
选择对比例和实施例1-5的产品性能进行对比,其中吸水率性能指标按照GBT19250-2013《聚氨酯防水涂料》中6.15的方法进行测试,粘结强度保持率性能指标按照JGT501-2016《建筑构件连接处防水密封膏》中6.8.1.1的方法制备好的样品,浸入23±2℃温度的水中,放置规定的时间后,样品从水中拿出擦干,并在23±2℃温度下放置4h后进行性能测试。由表2可以看出本申请的产品具有优异的耐水性能,且耐水性能基本上能够达到油性聚氨酯产品的标准。Select the comparison ratio and the product performance of Examples 1-5 to compare, wherein the water absorption performance index is tested according to the method of 6.15 in GBT19250-2013 "Polyurethane Waterproof Coating", and the bond strength retention performance index is according to JGT501-2016 "Building Components The sample prepared according to the method in 6.8.1.1 of "Joint Waterproof Sealant" is immersed in water at a temperature of 23±2°C. After standing for a specified time, the sample is taken out of the water and dried, and placed at a temperature of 23±2°C for 4 hours. Then perform a performance test. It can be seen from Table 2 that the product of the present application has excellent water resistance, and the water resistance can basically reach the standard of oily polyurethane products.
表2 高耐水环保防水密封膏耐水性能测试结果Table 2 Water resistance performance test results of high water resistance and environmental protection waterproof sealant
Figure PCTCN2022108521-appb-000012
Figure PCTCN2022108521-appb-000012
Figure PCTCN2022108521-appb-000013
Figure PCTCN2022108521-appb-000013
三、产品有害物限量测试3. Product harmful substance limit test
表3 产品有害物限量测试结果Table 3 Test results of product harmful substances limit
Figure PCTCN2022108521-appb-000014
Figure PCTCN2022108521-appb-000014
由表3可以看出,本案产品可挥发的有害物质是极少的,绝对安全环保。It can be seen from Table 3 that the volatile harmful substances in the product in this case are extremely small, and it is absolutely safe and environmentally friendly.
上述实施例只为说明本发明的技术构思及特点,其目的在于让熟悉此项技术的人士能够了解本发明的内容并据以实施,并不能以此限制本发明的保护范围。凡根据本发明精神实质 所作的等效变化或修饰,都应涵盖在本发明的保护范围之内。The above-mentioned embodiments are only to illustrate the technical concept and characteristics of the present invention, and the purpose is to enable those skilled in the art to understand the content of the present invention and implement it accordingly, and not to limit the protection scope of the present invention. All equivalent changes or modifications made according to the spirit of the present invention shall fall within the protection scope of the present invention.
在本文中所披露的范围的端点和任何值都不限于该精确的范围或值,这些范围或值应当理解为包含接近这些范围或值的值。对于数值范围来说,各个范围的端点值之间、各个范围的端点值和单独的点值之间,以及单独的点值之间可以彼此组合而得到一个或多个新的数值范围,这些数值范围应被视为在本文中具体公开。Neither the endpoints nor any values of the ranges disclosed herein are limited to such precise ranges or values, and these ranges or values are understood to include values approaching these ranges or values. For numerical ranges, between the endpoints of each range, between the endpoints of each range and individual point values, and between individual point values can be combined with each other to obtain one or more new numerical ranges, these values Ranges should be considered as specifically disclosed herein.

Claims (14)

  1. 一种防水密封膏,其特征在于:其包括乳化沥青、阴离子聚合物胶乳、超耐水添加剂、疏水填料和助剂;其中,所述乳化沥青的添加量为所述防水密封膏总质量的15%~35%;所述阴离子聚合物胶乳的添加量为所述防水密封膏总质量的20%~45%;所述超耐水添加剂的添加量为所述防水密封膏总质量的1%~10%;所述疏水填料的添加量为所述防水密封膏总质量的20~45%;其中,所述超耐水添加剂为阴离子型聚合物乳液。A waterproof sealing paste, characterized in that: it includes emulsified asphalt, anionic polymer latex, super water-resistant additives, hydrophobic fillers and auxiliary agents; wherein, the added amount of the emulsified asphalt is 15% of the total mass of the waterproof sealing paste ~35%; the addition of the anionic polymer latex is 20% to 45% of the total mass of the waterproof sealant; the addition of the super water-resistant additive is 1% to 10% of the total mass of the waterproof sealant ; The added amount of the hydrophobic filler is 20-45% of the total mass of the waterproof sealing paste; wherein, the super water-resistant additive is an anionic polymer emulsion.
  2. 根据权利要求1所述的防水密封膏,其特征在于:所述防水密封膏的固含量≥70%。The waterproof sealing paste according to claim 1, characterized in that: the solid content of the waterproof sealing paste is ≥70%.
  3. 根据权利要求1所述的防水密封膏,其特征在于:所述超耐水添加剂为选自阴离子聚乙烯蜡乳液、阴离子氧化聚乙烯蜡乳液、阴离子聚丙烯蜡乳液、阴离子氧化聚丙烯蜡乳液或阴离子聚四氟乙烯乳液中的其中一种或任意两种及以上;和/或,所述超耐水添加剂的添加量为所述防水密封膏总质量的3%~8%。The waterproof sealing paste according to claim 1, characterized in that: the super water-resistant additive is selected from anionic polyethylene wax emulsion, anionic oxidized polyethylene wax emulsion, anionic polypropylene wax emulsion, anionic oxidized polypropylene wax emulsion or anionic One or any two or more of the polytetrafluoroethylene emulsions; and/or, the added amount of the super water-resistant additive is 3% to 8% of the total mass of the waterproof sealing paste.
  4. 根据权利要求1所述的防水密封膏,其特征在于:所述阴离子聚合物胶乳为选自阴离子氯丁胶乳、阴离子丁苯胶乳、疏水改性的阴离子丙烯酸胶乳或疏水改性的阴离子苯丙胶乳中的其中一种或任意两种及以上;和/或,所述阴离子聚合物胶乳的添加量为所述防水密封膏总质量的30%~40%。The waterproof sealing paste according to claim 1, characterized in that: the anionic polymer latex is selected from anionic chloroprene latex, anionic styrene-butadiene latex, hydrophobically modified anionic acrylic latex or hydrophobically modified anionic styrene-acrylic latex One or any two or more of them; and/or, the added amount of the anionic polymer latex is 30% to 40% of the total mass of the waterproof sealant.
  5. 根据权利要求1所述的防水密封膏,其特征在于:所述疏水填料为选自疏水改性纳米碳酸钙、疏水改性纳米滑石粉、疏水改性纳米二氧化硅或亚纳米聚四氟乙烯微粒中的其中一种或任意两种及以上;和/或,所述疏水填料的添加量为所述防水密封膏总质量的30~40%。The waterproof sealing paste according to claim 1, characterized in that: the hydrophobic filler is selected from hydrophobic modified nano calcium carbonate, hydrophobic modified nano talcum powder, hydrophobic modified nano silicon dioxide or subnano polytetrafluoroethylene One or any two or more of the particles; and/or, the added amount of the hydrophobic filler is 30-40% of the total mass of the waterproof sealant.
  6. 根据权利要求1所述的防水密封膏,其特征在于:所述乳化沥青包括质量比为10~30:8~25:1~3:0.5~1:0.1~0.3的沥青、水、阴离子乳化剂、非离子乳化剂和稳定剂。The waterproof sealing paste according to claim 1, characterized in that: the emulsified asphalt comprises asphalt, water, and anionic emulsifier in a mass ratio of 10-30:8-25:1-3:0.5-1:0.1-0.3 , Nonionic emulsifier and stabilizer.
  7. 根据权利要求6所述的防水密封膏,其特征在于:所述沥青与所述水的质量比为15~20:8~15。The waterproof sealing paste according to claim 6, characterized in that: the mass ratio of the asphalt to the water is 15-20:8-15.
  8. 根据权利要求6或7所述的防水密封膏,其特征在于:所述沥青为选自30#沥青、50#沥青、70#沥青、90#沥青或110#沥青中的其中一种或任意两种及以上;和/或,The waterproof sealing paste according to claim 6 or 7, characterized in that: the asphalt is one or any two selected from 30# asphalt, 50# asphalt, 70# asphalt, 90# asphalt or 110# asphalt and above; and/or,
    所述水为选自蒸馏水、去离子、自来水、工业用水或河水中的其中一种或任意两种及以上;和/或,The water is one or any two or more selected from distilled water, deionized water, tap water, industrial water or river water; and/or,
    所述阴离子乳化剂为选自烷基苯磺酸盐型乳化剂、烷基磺酸盐型乳化剂或木质素磺酸盐型乳化剂中的其中一种或任意两种及以上;和/或,The anionic emulsifier is one or any two or more selected from alkylbenzenesulfonate emulsifiers, alkylsulfonate emulsifiers or lignosulfonate emulsifiers; and/or ,
    所述非离子乳化剂为选自长链脂肪醇聚氧乙烯醚、烷基酚聚氧乙烯醚、脂肪酸聚氧乙烯酯或聚醚类乳化剂中的其中一种或任意两种及以上;和/或,The nonionic emulsifier is one or any two or more selected from long-chain fatty alcohol polyoxyethylene ether, alkylphenol polyoxyethylene ether, fatty acid polyoxyethylene ester or polyether emulsifier; and /or,
    所述稳定剂为选自羧甲基纤维素钠、羟乙基纤维素、羟丙基甲基纤维素或聚乙烯醇中的其中一种或任意两种及以上。The stabilizer is one or any two or more selected from sodium carboxymethylcellulose, hydroxyethylcellulose, hydroxypropylmethylcellulose or polyvinyl alcohol.
  9. 根据权利要求1所述的防水密封膏,其特征在于:所述助剂包括消泡剂、防腐剂、疏水改性的增稠剂中的一种或任意两种及以上。The waterproof sealing paste according to claim 1, wherein the auxiliary agent includes one or any two or more of defoamers, preservatives, and hydrophobically modified thickeners.
  10. 根据权利要求9所述的防水密封膏,其特征在于:所述消泡剂、所述防腐剂、所述疏水改性的增稠剂的质量比为0.1~0.3:0.1~0.3:0.1~2.5;和/或,The waterproof sealing paste according to claim 9, characterized in that: the mass ratio of the defoamer, the preservative, and the hydrophobically modified thickener is 0.1-0.3:0.1-0.3:0.1-2.5 ;and / or,
    所述消泡剂为选自矿物油类消泡剂、有机硅类消泡剂、聚醚类消泡剂或聚硅氧烷类消泡剂中的其中一种或任意两种及以上;和/或,The defoamer is one or any two or more selected from mineral oil defoamers, silicone defoamers, polyether defoamers or polysiloxane defoamers; and /or,
    所述防腐剂为选自异噻唑啉酮类防腐剂、释放甲醛类防腐剂、苯并异噻唑啉类防腐剂或均三嗪类防腐剂中的其中一种或任意两种及以上;和/或,The preservative is one or any two or more selected from isothiazolinone preservatives, formaldehyde-releasing preservatives, benzisothiazoline preservatives or s-triazine preservatives; and/ or,
    所述疏水改性增稠剂为选自疏水改性的碱溶胀增稠剂、疏水改性的碱溶胀缔合型增稠剂或疏水改性的聚氨酯类增稠剂的其中一种或任意两种及以上。The hydrophobically modified thickener is selected from one or any two of hydrophobically modified alkali-swellable thickeners, hydrophobically modified alkali-swellable associative thickeners or hydrophobically modified polyurethane thickeners. species and above.
  11. 一种如权利要求1至10中任一项所述的防水密封膏的制备方法,其特征在于:先使所述疏水填料与所述阴离子聚合物胶乳混合均匀,然后再与所述乳化沥青、所述超耐水添加剂混合均匀,最后加入所述助剂混合均匀得到所述防水密封膏。A kind of preparation method as described in any one of claims 1 to 10 waterproof sealing paste, it is characterized in that: first make described hydrophobic filler and described anionic polymer latex mix homogeneously, then mix with described emulsified asphalt, The super water-resistant additive is mixed uniformly, and finally the auxiliary agent is added and mixed uniformly to obtain the waterproof sealing paste.
  12. 根据权利要求11所述的制备方法,其特征在于:控制混合过程的温度为10~50℃。The preparation method according to claim 11, characterized in that: the temperature of the mixing process is controlled to be 10-50°C.
  13. 根据权利要求11所述的制备方法,其特征在于:所述乳化沥青通过如下步骤制得:The preparation method according to claim 11, characterized in that: the emulsified asphalt is prepared through the following steps:
    (1)使阴离子乳化剂、非离子乳化剂、稳定剂与水混合均匀配制成皂液,并调节所述皂液的pH至10~12;(1) Mix anionic emulsifier, nonionic emulsifier, stabilizer and water evenly to prepare soap, and adjust the pH of the soap to 10-12;
    (2)将沥青加热至130~140℃,搅拌0.5~1小时;(2) Heat the asphalt to 130-140°C and stir for 0.5-1 hour;
    (3)控制所述皂液的温度为30~80℃,控制步骤(2)处理后的沥青的温度为100~150℃,然后使所述皂液和所述沥青混合研磨1~3min,并控制乳化沥青的出料温度为50~95℃,自然降温获得所述乳化沥青。(3) controlling the temperature of the soap solution to be 30 to 80°C, controlling the temperature of the asphalt treated in step (2) to be 100 to 150°C, then mixing and grinding the soap solution and the asphalt for 1 to 3 minutes, and The discharge temperature of the emulsified asphalt is controlled to be 50-95° C., and the emulsified asphalt is obtained by cooling naturally.
  14. 一种如权利要求1至10中任一项所述的防水密封膏在建筑防水堵缝中的应用。An application of the waterproof sealing paste according to any one of claims 1 to 10 in building waterproof caulking.
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