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WO2024016796A1 - 一种高粘抗滑水性橡胶沥青防水涂料及其制备方法 - Google Patents

一种高粘抗滑水性橡胶沥青防水涂料及其制备方法 Download PDF

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WO2024016796A1
WO2024016796A1 PCT/CN2023/093354 CN2023093354W WO2024016796A1 WO 2024016796 A1 WO2024016796 A1 WO 2024016796A1 CN 2023093354 W CN2023093354 W CN 2023093354W WO 2024016796 A1 WO2024016796 A1 WO 2024016796A1
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Prior art keywords
asphalt
styrene
waterproof coating
parts
rubber
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PCT/CN2023/093354
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English (en)
French (fr)
Inventor
包毓含
李建芳
田继斌
谢彦姣
曲学平
张晓明
郭岩
刘雪培
Original Assignee
北京宇阳泽丽防水材料有限责任公司
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Application filed by 北京宇阳泽丽防水材料有限责任公司 filed Critical 北京宇阳泽丽防水材料有限责任公司
Priority to DE112023000297.5T priority Critical patent/DE112023000297T5/de
Priority to JP2024523277A priority patent/JP2024541864A/ja
Publication of WO2024016796A1 publication Critical patent/WO2024016796A1/zh

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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
    • 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
    • C09D195/005—Aqueous compositions, e.g. emulsions
    • 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
    • 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
    • C09D7/48—Stabilisers against degradation by oxygen, light or heat
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K3/00—Materials not provided for elsewhere
    • C09K3/14—Anti-slip materials; Abrasives
    • C09K3/149—Antislip compositions
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C08K2003/265—Calcium, strontium or barium carbonate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C08K3/346—Clay
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
    • C08K5/098—Metal salts of carboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/17—Amines; Quaternary ammonium compounds
    • C08K5/18—Amines; Quaternary ammonium compounds with aromatically bound amino groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/34—Heterocyclic compounds having nitrogen in the ring
    • C08K5/3412—Heterocyclic compounds having nitrogen in the ring having one nitrogen atom in the ring
    • C08K5/3432—Six-membered rings
    • C08K5/3437—Six-membered rings condensed with carbocyclic rings
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/60—Planning or developing urban green infrastructure

Definitions

  • the present invention relates to the technical field of waterproof coatings. Specifically, it relates to a high-viscosity, water-skid-resistant rubber asphalt waterproof coating and a preparation method thereof.
  • Modified asphalt waterproofing membranes account for the highest proportion among commonly used waterproofing materials in building waterproofing projects. They are widely used in building above ground, underground and other special building structures. However, for basement vertical walls and slope roofs, there are The existing modified asphalt waterproofing membranes are prone to problems such as poor bonding and slippage between the waterproofing membranes and basement walls and sloped roofs during the construction process. Therefore, there is an urgent need to develop a new type of high-viscosity and anti-slip water-based rubber asphalt. Waterproof coatings are used in combination with waterproof membranes to improve the bonding strength and slip resistance of modified asphalt waterproof membranes on underground vertical walls and sloped roofs.
  • the invention proposes a high-viscosity anti-water-skid rubber asphalt waterproof coating and a preparation method thereof, which solves the problem of poor bonding and slippage of modified asphalt waterproof membranes in related technologies with basement vertical walls and slope roofs during the construction process. question.
  • the invention proposes a high-viscosity hydrophobic rubber asphalt waterproof coating, which includes the following components by weight: 50-70 parts of modified asphalt, 20-30 parts of styrene-butadiene latex, 1-2 parts of thickener, defoaming agent 0.1-0.5 parts of agent, 1-5 parts of inorganic filler, 0.1-0.5 parts of dispersant, 0.1-0.2 parts of anti-aging agent,
  • the modified asphalt is styrene-butadiene rubber modified asphalt.
  • the mass ratio of asphalt to styrene-butadiene rubber is 100: (6-8).
  • the styrene-butadiene rubber is a mixture of the first styrene-butadiene rubber and the second styrene-butadiene rubber in a mass ratio of 1:(2-3); the average molecular weight of the first styrene-butadiene rubber is 2500- 4500, and the average molecular weight of the second styrene-butadiene rubber is 150000-200000.
  • the modified asphalt is prepared by the following method:
  • the asphalt is No. 70 asphalt or No. 90 asphalt.
  • the inorganic filler is one or more of talc, wollastonite, calcium carbonate, and kaolin.
  • the thickener is a mixture of cellulose ether and polyacrylamide with a mass ratio of 1-1.5:1.
  • the dispersant is sodium oleate or sodium sulfonate
  • the anti-aging agent is anti-aging agent 4020 or anti-aging agent RD.
  • the invention also proposes a preparation method of the high-viscosity hydrophobic rubber asphalt waterproof coating, which includes the following steps:
  • the invention also proposes the application of the high-viscosity hydro-skid-resistant rubber asphalt waterproof coating in basement vertical walls and slope roofs.
  • styrene-butadiene rubber is used to modify the asphalt, and the styrene-butadiene rubber is composed of a mixture of the first styrene-butadiene rubber and the second styrene-butadiene rubber with a mass ratio of 1: (2-3), and the modified asphalt obtained Then mixed with styrene-butadiene latex, thickener and other additives to obtain a water-based rubber asphalt waterproof coating, which significantly improves the bonding performance and slip resistance of the water-based rubber asphalt waterproof coating, and obtains a highly viscous and anti-slip water-based rubber asphalt waterproof coating. , which solves the problem in related technologies that the modified asphalt waterproofing membrane does not bond well with basement vertical walls and sloped roofs and slips during the construction process.
  • Figure 1 is a slip resistance test chart after the water-based rubber asphalt waterproof coating is bonded to a self-adhesive membrane according to Embodiment 1 of the present invention
  • Figure 2 is a front view of the 100 kg load-bearing anti-skid test after the water-based rubber asphalt waterproof coating is bonded to the self-adhesive membrane according to Embodiment 1 of the present invention
  • Figure 3 is a left side view of the 100 kg load-bearing anti-slip test after the water-based rubber asphalt waterproof coating of Example 1 of the present invention is bonded to the self-adhesive membrane.
  • the average molecular weight of the first styrene-butadiene rubber is 2500-4500
  • the model is HTBS, type I, purchased from Shandong Zibo Qilong Chemical Company
  • the average molecular weight of the second styrene-butadiene rubber is 176000
  • model It is ESBR1739E, purchased from PetroChina Lanzhou Petrochemical Company
  • the defoaming agent is BASF A10.
  • a high-viscosity hydrophobic rubber asphalt waterproof coating includes the following components by weight:
  • modified asphalt 20 parts of styrene-butadiene latex, 1 part of thickener, 0.1 part of defoaming agent, 1 part of talc, 0.1 part of sodium oleate, 0.1 part of antioxidant 4020;
  • the modified asphalt is prepared by the following method: mix No. 70 asphalt and aromatic oil, heat to 150°C, add the first styrene-butadiene rubber, stir for 30 minutes, raise the temperature to 170°C, add the second styrene-butadiene rubber, continue to heat to 190°C and stir 1.5h, shear for 1h at a speed of 8000r/min, and then stir for 30min to obtain modified asphalt.
  • the mass ratio of asphalt to aromatic oil, first styrene-butadiene rubber, and second styrene-butadiene rubber is 100:15:2:4; increase
  • the thickener is a mixture of cellulose ether and polyacrylamide with a mass ratio of 1:1;
  • the preparation method of the above-mentioned high-viscosity hydrophobic rubber asphalt waterproof coating includes the following steps:
  • a high-viscosity hydrophobic rubber asphalt waterproof coating includes the following components by weight:
  • modified asphalt 25 parts of styrene-butadiene latex, 1.5 parts of thickener, 0.3 parts of defoaming agent, 3 parts of calcium carbonate, 0.3 parts of sodium sulfonate, 0.15 parts of antioxidant RD;
  • the modified asphalt is prepared by the following method: mix No. 70 asphalt and aromatic oil, heat to 150°C, add the first styrene-butadiene rubber, stir for 30 minutes, raise the temperature to 170°C, add the second styrene-butadiene rubber, continue to heat to 190°C and stir 1.5h, shear for 1h at a speed of 8000r/min, and then stir for 30min to obtain modified asphalt.
  • the mass ratio of asphalt to aromatic oil, first styrene-butadiene rubber, and second styrene-butadiene rubber is 100:15:2:4; increase
  • the thickener is a mixture of cellulose ether and polyacrylamide with a mass ratio of 1:1;
  • the preparation method of the above-mentioned high-viscosity hydrophobic rubber asphalt waterproof coating includes the following steps:
  • a high-viscosity hydrophobic rubber asphalt waterproof coating includes the following components by weight:
  • modified asphalt 70 parts of modified asphalt, 30 parts of styrene-butadiene latex, 2 parts of thickener, 0.5 parts of defoaming agent, 5 parts of wollastonite, 0.5 parts of sodium sulfonate, 0.2 parts of antioxidant RD;
  • the modified asphalt is prepared by the following method: mix No. 90 asphalt and aromatic oil, heat to 150°C, add the first styrene-butadiene rubber, stir for 30 minutes, raise the temperature to 170°C, add the second styrene-butadiene rubber, continue to heat to 190°C and stir 1.5h, shear for 1h at a speed of 8000r/min, and then stir for 30min to obtain modified asphalt.
  • the mass ratio of asphalt to aromatic oil, first styrene-butadiene rubber, and second styrene-butadiene rubber is 100:15:2:4; increase
  • the thickener is a mixture of cellulose ether and polyacrylamide with a mass ratio of 1:1;
  • the preparation method of the above-mentioned high-viscosity hydrophobic rubber asphalt waterproof coating includes the following steps:
  • a high-viscosity hydrophobic rubber asphalt waterproof coating includes the following components by weight:
  • modified asphalt 20 parts of styrene-butadiene latex, 1 part of thickener, 0.1 part of defoaming agent, 1 part of talc, 0.1 part of sodium oleate, 0.1 part of antioxidant 4020;
  • the modified asphalt is prepared by the following method: mix No. 70 asphalt and aromatic oil, heat to 150°C, add the first styrene-butadiene rubber, stir for 30 minutes, raise the temperature to 170°C, add the second styrene-butadiene rubber, continue to heat to 190°C and stir 1.5h, shear for 1h at a speed of 8000r/min, and then stir for 30min to obtain modified asphalt.
  • the mass ratio of asphalt to aromatic oil, first styrene-butadiene rubber, and second styrene-butadiene rubber is 100:15:2:6;
  • the thickener is a mixture of cellulose ether and polyacrylamide with a mass ratio of 1:1;
  • a high-viscosity hydrophobic rubber asphalt waterproof coating includes the following components by weight:
  • modified asphalt 20 parts of styrene-butadiene latex, 1 part of thickener, 0.1 part of defoaming agent, 1 part of talc, 0.1 part of sodium oleate, 0.1 part of antioxidant 4020;
  • the modified asphalt is prepared by the following method: mix No. 70 asphalt and aromatic oil, heat to 150°C, add the first styrene-butadiene rubber, stir for 30 minutes, raise the temperature to 170°C, add the second styrene-butadiene rubber, continue to heat to 190°C and stir 1.5h, shear for 1h at a speed of 8000r/min, and then stir for 30min to obtain modified asphalt.
  • the mass ratio of asphalt to aromatic oil, first styrene-butadiene rubber, and second styrene-butadiene rubber is 100:15:3:3;
  • the thickener is a mixture of cellulose ether and polyacrylamide with a mass ratio of 1:1;
  • a high-viscosity hydrophobic rubber asphalt waterproof coating includes the following components by weight:
  • modified asphalt 20 parts of styrene-butadiene latex, 1 part of thickener, 0.1 part of defoaming agent, 1 part of talc, 0.1 part of sodium oleate, 0.1 part of antioxidant 4020;
  • the modified asphalt is prepared by the following method: mix No. 70 asphalt and aromatic oil, heat to 150°C, add the first styrene-butadiene rubber, stir for 30 minutes, raise the temperature to 170°C, add the second styrene-butadiene rubber, continue to heat to 190°C and stir 1.5h, shear for 1h at a speed of 8000r/min, and then stir for 30min to obtain modified asphalt.
  • the mass ratio of asphalt to aromatic oil, first styrene-butadiene rubber, and second styrene-butadiene rubber is 100:15:1.2:4.8; increase
  • the thickener is a mixture of cellulose ether and polyacrylamide with a mass ratio of 1:1;
  • a high-viscosity hydrophobic rubber asphalt waterproof coating includes the following components by weight:
  • modified asphalt 20 parts of styrene-butadiene latex, 1 part of thickener, 0.1 part of defoaming agent, 1 part of talc, 0.1 part of sodium oleate, 0.1 part of antioxidant 4020;
  • the modified asphalt is prepared by the following method: mix No. 70 asphalt and aromatic oil, heat to 150°C, add the first styrene-butadiene rubber, stir for 30 minutes, raise the temperature to 170°C, add the second styrene-butadiene rubber, continue to heat to 190°C and stir 1.5h, shear for 1h at a speed of 8000r/min, and then stir for 30min to obtain modified asphalt.
  • the mass ratio of asphalt to aromatic oil, first styrene-butadiene rubber, and second styrene-butadiene rubber is 100:15:2:4; increase
  • the thickener is a mixture of cellulose ether and polyacrylamide with a mass ratio of 1:1.5;
  • Example 1 The only difference between this comparative example and Example 1 is that the modified asphalt is prepared by the following method: mix No. 70 asphalt and aromatic oil, heat to 150°C, add the first styrene-butadiene rubber, stir for 30 minutes, continue to heat to 190°C and stir for 1.5 h, shear for 1 hour at a speed of 8000 r/min, and then stir for 30 minutes to obtain modified asphalt.
  • the mass ratio of asphalt, aromatic oil, and first styrene-butadiene rubber is 100:15:6.
  • Example 1 The only difference between this comparative example and Example 1 is that the modified asphalt is prepared by the following method: mix No. 70 asphalt and aromatic oil, heat it to 170°C, add the second styrene-butadiene rubber, continue to raise the temperature to 190°C, and stir for 1.5 hours. , sheared at a speed of 8000r/min for 1 hour, and then stirred for 30 minutes to obtain modified asphalt.
  • the mass ratio of asphalt, aromatic oil, and second styrene-butadiene rubber was 100:15:6.
  • the modified asphalt is prepared by the following method: mix No. 70 asphalt and aromatic oil, heat it to 170°C, add the first styrene-butadiene rubber and the second styrene-butadiene rubber, and continue to heat to 190°C. °C, stir for 1.5h, to Shear at a speed of 8000r/min for 1 hour and then stir for 30 minutes to obtain modified asphalt.
  • the mass ratio of asphalt to aromatic oil, first styrene butadiene rubber, and second styrene butadiene rubber is 100:15:2:4.
  • Bonding strength Test the bonding strength of the sample according to the method specified in GB/T 16777-2008 "Test Methods for Building Waterproof Coatings";
  • Peel strength Test the peel strength of the sample according to the method specified in JC/T1069-2008 "Base Treatment Agent for Asphalt-Based Waterproof Membrane";
  • Anti-sag performance According to the method specified in GB/T9264-2012 "Evaluation of Anti-sag Properties of Paints and Varnishes", test the anti-sag properties of the samples;
  • Example 3 Compared with Example 1, the bonding strength, peel strength and anti-sag performance of the water-based rubber asphalt waterproof coating of Comparative Example 3 are poor. This is because in the water-based rubber asphalt waterproof coating of Comparative Example, when modifying the asphalt, The first styrene-butadiene rubber and the second styrene-butadiene rubber are added at the same time, so that the modification effect of the styrene-butadiene rubber on asphalt cannot be fully exerted, indicating that in the present invention, the modification The preparation method of asphalt is adjusted so that the modification effect of styrene-butadiene rubber on asphalt can be effectively exerted, thereby improving the adhesion and anti-slip performance of the water-based rubber asphalt waterproof coating.
  • Example 1 The water-based rubber asphalt waterproof coating in Example 1 is used in combination with self-adhesive membranes.
  • the engineering examples are shown in Figures 1 and 2.
  • the membrane with a width of 1m can bear the weight of an adult without falling off or sliding down.
  • a counterweight of 100kg was loaded on the material, and no slipping occurred within 7 days.
  • Example 1 The water-based rubber asphalt waterproof coating prepared in Example 1 was sent to the National Building Materials Industry Building Envelope Materials and Pipeline Product Quality Supervision, Inspection and Testing Center for commissioned testing. The test report is shown in the table below:

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Abstract

本发明涉及防水涂料技术领域，提出了一种高粘抗滑水性橡胶沥青防水涂料及其制备方法，包括以下重量份的组分：改性沥青50-70份，丁苯胶乳20-30份，增稠剂1-2份，消泡剂0.1-0.5份，无机填料1-5份，分散剂0.1-0.5份，抗老化剂0.1-0.2份，所述改性沥青为丁苯橡胶改性沥青。通过上述技术方案，解决了相关技术中的改性沥青防水卷材在施工过程中与地下室立墙、坡屋面粘结不好、滑移的问题。

Description

一种高粘抗滑水性橡胶沥青防水涂料及其制备方法 技术领域
本发明涉及防水涂料技术领域，具体的，涉及一种高粘抗滑水性橡胶沥青防水涂料及其制备方法。
背景技术
在建筑防水工程常用的防水材料中改性沥青类防水卷材占比最高，在建筑物地上、地下及其它特殊建筑结构中有着广泛的应用，但是对于地下室立墙、坡屋面而言，市面上现有的改性沥青防水卷材在施工过程中易出现防水卷材与地下室立墙、坡屋面粘结不好、滑移的问题，因此，急需开发一种新型高粘抗滑的水性橡胶沥青防水涂料与防水卷材复合使用，以提高改性沥青类防水卷材在地下立墙、坡屋面的粘结强度和抗滑移能力。
发明内容
本发明提出一种高粘抗滑水性橡胶沥青防水涂料及其制备方法，解决了相关技术中的改性沥青防水卷材在施工过程中与地下室立墙、坡屋面粘结不好、滑移的问题。
本发明的技术方案如下：
本发明提出了一种高粘抗滑水性橡胶沥青防水涂料，包括以下重量份的组分：改性沥青50-70份，丁苯胶乳20-30份，增稠剂1-2份，消泡剂0.1-0.5份，无机填料1-5份，分散剂0.1-0.5份，抗老化剂0.1-0.2份，
所述改性沥青为丁苯橡胶改性沥青。
作为进一步的技术方案，所述改性沥青中，沥青与丁苯橡胶的质量比为100：(6-8)。
作为进一步的技术方案，所述丁苯橡胶为第一丁苯橡胶与第二丁苯橡胶的质量比为1:(2-3)的混合物；所述第一丁苯橡胶的平均分子量为2500-4500，所述第二丁苯橡胶的平均分子量为150000-200000。
作为进一步的技术方案，所述改性沥青由以下方法制备得到：
将沥青与芳烃油混合后加热至150℃加入第一丁苯橡胶，搅拌30min，升温至170℃加入第二丁苯橡胶，继续升温至190℃搅拌1.5h，以8000r/min的速度剪切1h，然后搅拌30min得到改性沥青。
作为进一步的技术方案，所述沥青为70号沥青或90号沥青。
作为进一步的技术方案，所述无机填料为滑石粉、硅灰石、碳酸钙、高岭土中的一种或多种。
作为进一步的技术方案，所述增稠剂为纤维素醚与聚丙烯酰胺质量比1-1.5：1的混合物。
作为进一步的技术方案，所述分散剂为油酸钠或磺酸钠，所述抗老化剂为防老剂4020或防老剂RD。
本发明还提出了所述高粘抗滑水性橡胶沥青防水涂料的制备方法，包括以下步骤：
S1、将丁苯胶乳、无机填料、分散剂、消泡剂混合0.2-0.5h，得到初混料；
S2、将初混料与改性沥青混合后研磨1-1.5h，得到混合物料；
S3、向混合物料中加入增稠剂、抗老化剂，混合均匀，得到高粘抗滑水性橡胶防水涂料。
本发明还提出了所述高粘抗滑水性橡胶沥青防水涂料在地下室立墙、坡屋面中的应用。
本发明的工作原理及有益效果为：
1、本发明中，采用丁苯橡胶对沥青进行改性，且丁苯橡胶由第一丁苯橡胶和第二丁苯橡胶质量比1：(2-3)的混合物组成，得到的改性沥青再与丁苯胶乳、增稠剂等助剂混合后得到水性橡胶沥青防水涂料，显著提高了水性橡胶沥青防水涂料的粘结性能和抗滑移性，得到高粘抗滑的水性橡胶沥青防水涂料，解决了相关技术中改性沥青防水卷材在施工过程中与地下室立墙、坡屋面粘结不好、滑移的问题。
附图说明
图1为本发明实施例1的水性橡胶沥青防水涂料粘结自粘卷材后抗滑测试图；
图2为本发明实施例1的水性橡胶沥青防水涂料粘结自粘卷材后100公斤负重抗滑测试主视图；
图3为本发明实施例1的水性橡胶沥青防水涂料粘结自粘卷材后100公斤负重抗滑测试左视图。
具体实施方式
下面将结合本发明实施例，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都涉及本发明保护的范围。
下述实施例及对比例中，第一丁苯橡胶的平均分子量为2500-4500，型号为HTBS，I型，购自山东淄博齐龙化工公司，第二丁苯橡胶的平均分子量为176000，型号为ESBR1739E，购自中国石油兰州石化公司；消泡剂为巴斯夫A10。
实施例1
一种高粘抗滑水性橡胶沥青防水涂料，包括以下重量份的组分：
改性沥青50份，丁苯胶乳20份，增稠剂1份，消泡剂0.1份，滑石粉1份，油酸钠0.1份，防老剂4020 0.1份；
其中，改性沥青由以下方法制备：将70号沥青与芳烃油混合后加热至150℃加入第一丁苯橡胶，搅拌30min，升温至170℃加入第二丁苯橡胶，继续升温至190℃搅拌1.5h，以8000r/min的速度剪切1h，然后搅拌30min得到改性沥青，沥青与芳香油、第一丁苯橡胶、第二丁苯橡胶的质量比为100：15：2：4；增稠剂为纤维素醚与聚丙烯酰胺质量比1：1的混合物；
上述高粘抗滑水性橡胶沥青防水涂料的制备方法，包括以下步骤：
S1、将丁苯胶乳、滑石粉、油酸钠、消泡剂加入配料罐中，开启搅拌分散20min，搅拌转速为400rpm，得到初混料；
S2、将初混料与改性沥青混合后研磨1h，得到混合物料；
S3、向混合物料中加入增稠剂、防老剂4020，搅拌分散40min，搅拌转速为800rpm，得到高粘抗滑水性橡胶防水涂料。
实施例2
一种高粘抗滑水性橡胶沥青防水涂料，包括以下重量份的组分：
改性沥青60份，丁苯胶乳25份，增稠剂1.5份，消泡剂0.3份，碳酸钙3份，磺酸钠0.3份，防老剂RD 0.15份；
其中，改性沥青由以下方法制备：将70号沥青与芳烃油混合后加热至150℃加入第一丁苯橡胶，搅拌30min，升温至170℃加入第二丁苯橡胶，继续升温至190℃搅拌1.5h，以8000r/min的速度剪切1h，然后搅拌30min得到改性沥青，沥青与芳香油、第一丁苯橡胶、第二丁苯橡胶的质量比为100：15：2：4；增稠剂为纤维素醚与聚丙烯酰胺质量比1：1的混合物；
上述高粘抗滑水性橡胶沥青防水涂料的制备方法，包括以下步骤：
S1、将丁苯胶乳、碳酸钙、磺酸钠、消泡剂加入配料罐中，开启搅拌分散20min，搅拌转速为400rpm，得到初混料；
S2、将初混料与改性沥青混合后研磨1h，得到混合物料；
S3、向混合物料中加入增稠剂、防老剂RD，搅拌分散40min，搅拌转速为800rpm，得到高粘抗滑水性橡胶防水涂料。
实施例3
一种高粘抗滑水性橡胶沥青防水涂料，包括以下重量份的组分：
改性沥青70份，丁苯胶乳30份，增稠剂2份，消泡剂0.5份，硅灰石5份，磺酸钠0.5份，防老剂RD 0.2份；
其中，改性沥青由以下方法制备：将90号沥青与芳烃油混合后加热至150℃加入第一丁苯橡胶，搅拌30min，升温至170℃加入第二丁苯橡胶，继续升温至190℃搅拌1.5h，以8000r/min的速度剪切1h，然后搅拌30min得到改性沥青，沥青与芳香油、第一丁苯橡胶、第二丁苯橡胶的质量比为100：15：2：4；增稠剂为纤维素醚与聚丙烯酰胺质量比1：1的混合物；
上述高粘抗滑水性橡胶沥青防水涂料的制备方法，包括以下步骤：
S1、将丁苯胶乳、硅灰石、磺酸钠、消泡剂加入配料罐中，开启搅拌分散20min，搅拌转速为400rpm，得到初混料；
S2、将初混料与改性沥青混合后研磨1h，得到混合物料；
S3、向混合物料中加入增稠剂、防老剂RD，搅拌分散40min，搅拌转速为800rpm，得到高粘抗滑水性橡胶防水涂料。
实施例4
一种高粘抗滑水性橡胶沥青防水涂料，包括以下重量份的组分：
改性沥青50份，丁苯胶乳20份，增稠剂1份，消泡剂0.1份，滑石粉1份，油酸钠0.1份，防老剂4020 0.1份；
其中，改性沥青由以下方法制备：将70号沥青与芳烃油混合后加热至150℃加入第一丁苯橡胶，搅拌30min，升温至170℃加入第二丁苯橡胶，继续升温至190℃搅拌1.5h，以8000r/min的速度剪切1h，然后搅拌30min得到改性沥青，沥青与芳香油、第一丁苯橡胶、第二丁苯橡胶的质量比为100：15：2：6；增稠剂为纤维素醚与聚丙烯酰胺质量比1：1的混合物；
上述高粘抗滑水性橡胶沥青防水涂料的制备方法同实施例1。
实施例5
一种高粘抗滑水性橡胶沥青防水涂料，包括以下重量份的组分：
改性沥青50份，丁苯胶乳20份，增稠剂1份，消泡剂0.1份，滑石粉1份，油酸钠0.1份，防老剂4020 0.1份；
其中，改性沥青由以下方法制备：将70号沥青与芳烃油混合后加热至150℃加入第一丁苯橡胶，搅拌30min，升温至170℃加入第二丁苯橡胶，继续升温至190℃搅拌1.5h，以8000r/min的速度剪切1h，然后搅拌30min得到改性沥青，沥青与芳香油、第一丁苯橡胶、第二丁苯橡胶的质量比为100：15：3：3；增稠剂为纤维素醚与聚丙烯酰胺质量比1：1的混合物；
上述高粘抗滑水性橡胶沥青防水涂料的制备方法，同实施例1。
实施例6
一种高粘抗滑水性橡胶沥青防水涂料，包括以下重量份的组分：
改性沥青50份，丁苯胶乳20份，增稠剂1份，消泡剂0.1份，滑石粉1份，油酸钠0.1份，防老剂4020 0.1份；
其中，改性沥青由以下方法制备：将70号沥青与芳烃油混合后加热至150℃加入第一丁苯橡胶，搅拌30min，升温至170℃加入第二丁苯橡胶，继续升温至190℃搅拌1.5h，以8000r/min的速度剪切1h，然后搅拌30min得到改性沥青，沥青与芳香油、第一丁苯橡胶、第二丁苯橡胶的质量比为100：15：1.2：4.8；增稠剂为纤维素醚与聚丙烯酰胺质量比1：1的混合物；
上述高粘抗滑水性橡胶沥青防水涂料的制备方法，同实施例1。
实施例7
一种高粘抗滑水性橡胶沥青防水涂料，包括以下重量份的组分：
改性沥青50份，丁苯胶乳20份，增稠剂1份，消泡剂0.1份，滑石粉1份，油酸钠0.1份，防老剂4020 0.1份；
其中，改性沥青由以下方法制备：将70号沥青与芳烃油混合后加热至150℃加入第一丁苯橡胶，搅拌30min，升温至170℃加入第二丁苯橡胶，继续升温至190℃搅拌1.5h，以8000r/min的速度剪切1h，然后搅拌30min得到改性沥青，沥青与芳香油、第一丁苯橡胶、第二丁苯橡胶的质量比为100：15：2：4；增稠剂为纤维素醚与聚丙烯酰胺质量比1：1.5的混合物；
上述高粘抗滑水性橡胶沥青防水涂料的制备方法，同实施例1。
对比例1
本对比例与实施例1的区别仅在于，改性沥青由以下方法制备：将70号沥青与芳烃油混合后加热至150℃加入第一丁苯橡胶，搅拌30min，继续升温至190℃搅拌1.5h，以8000r/min的速度剪切1h，然后搅拌30min得到改性沥青，沥青与芳香油、第一丁苯橡胶的质量比为100：15：6。
对比例2
本对比例与实施例1的区别仅在于，改性沥青由以下方法制备：将70号沥青与芳烃油混合后加热至升温至170℃加入第二丁苯橡胶，继续升温至190℃搅拌1.5h，以8000r/min的速度剪切1h，然后搅拌30min得到改性沥青，沥青与芳香油、第二丁苯橡胶的质量比为100：15：6。
对比例3
本对比例与实施例1的区别仅在于，改性沥青由以下方法制备：将70号沥青与芳烃油混合后加热至170℃加入第一丁苯橡胶和第二丁苯橡胶，继续升温至190℃搅拌1.5h，以 8000r/min的速度剪切1h，然后搅拌30min得到改性沥青，沥青与芳香油、第一丁苯橡胶、第二丁苯橡胶的质量比为100：15：2：4。
对实施例1-7及对比例1-2的水性橡胶沥青防水涂料进行如下性能测试：
1、粘结强度：按照GB/T 16777-2008《建筑防水涂料试验方法》中规定的方法，测试样品的粘结强度；
2、剥离强度：按照JC/T1069-2008《沥青基防水卷材用基层处理剂》中规定的方法，测试样品的剥离强度；
3、抗流挂性能：按照GB/T9264-2012《色漆和清漆抗流挂性评定》中规定的方法，测试样品的抗流挂性；
测试结果见下表：
表1 实施例1-7及对比例1-2的水性橡胶沥青防水涂料的性能测试结果
从上表中数据可以看出，与对比例1-2相比，实施例1-7的水性橡胶沥青防水涂料的粘结强度、剥离强度和抗流挂性能显著提高，尤其是实施例1-3和实施例7的水性橡胶沥青防水涂料，说明本发明中，采用丁苯橡胶对沥青进行改性，同时，丁苯橡胶由第一丁苯橡胶和第二丁苯橡胶质量比1：(2-3)的混合物组成，显著提高了水性橡胶沥青防水涂料的粘结性能和抗滑移性，得到高粘抗滑的水性橡胶沥青防水涂料，从而提高了水性橡胶沥青防水涂料在地下室立墙、坡屋面应用的施工性能。
与实施例1相比，对比例3的水性橡胶沥青防水涂料的粘结强度、剥离强度和抗流挂性能均较差，这是由于对比例的水性橡胶沥青防水涂料中，改性沥青时将第一丁苯橡胶和第二丁苯橡胶同时加入，导致丁苯橡胶对沥青的改性效果不能充分发挥，说明本发明中，对改性 沥青的制备方法进行调整，使得丁苯橡胶对沥青的改性效果有效发挥出来，从而提高水性橡胶沥青防水涂料的粘结性和抗滑移性能。
施工应用实例：
实施例1的水性橡胶沥青防水涂料与自粘卷材复合使用，工程实例如图1、图2所示，幅宽1m的卷材承重1个成年人无脱落下滑现象，在幅宽1m的卷材上加载配重100kg，7天内未出现滑移现象。
将实施例1制得的水性橡胶沥青防水涂料送至国家建筑材料工业建筑围护材料及管道产品质量监督检测测试中心，委托检测，检测报告见下表：
表2 实施例1的水性橡胶沥青防水涂料的检测报告

报告编号No：JC2021MJ0536
以上仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (10)

  1. 一种高粘抗滑水性橡胶沥青防水涂料，其特征在于，包括以下重量份的组分：改性沥青50-70份，丁苯胶乳20-30份，增稠剂1-2份，消泡剂0.1-0.5份，无机填料1-5份，分散剂0.1-0.5份，抗老化剂0.1-0.2份，
    所述改性沥青为丁苯橡胶改性沥青。
  2. 根据权利要求1所述的一种高粘抗滑水性橡胶沥青防水涂料，其特征在于，所述改性沥青中，沥青与丁苯橡胶的质量比为100：(6-8)。
  3. 根据权利要求2所述的一种高粘抗滑水性橡胶沥青防水涂料，其特征在于，所述丁苯橡胶为第一丁苯橡胶与第二丁苯橡胶的质量比为1:(2-3)的混合物；所述第一丁苯橡胶的平均分子量为2500-4500，所述第二丁苯橡胶的平均分子量为150000-200000。
  4. 根据权利要求3所述的一种高粘抗滑水性橡胶沥青防水涂料，其特征在于，所述改性沥青由以下方法制备得到：
    将沥青与芳烃油混合后加热至150℃加入第一丁苯橡胶，搅拌30min，升温至170℃加入第二丁苯橡胶，继续升温至190℃搅拌1.5h，以8000r/min的速度剪切1h，然后搅拌30min得到改性沥青。
  5. 根据权利要求1所述的一种高粘抗滑水性橡胶沥青防水涂料，其特征在于，所述沥青为70号沥青或90号沥青。
  6. 根据权利要求1所述的一种高粘抗滑水性橡胶沥青防水涂料，其特征在于，所述无机填料为滑石粉、硅灰石、碳酸钙、高岭土中的一种或多种。
  7. 根据权利要求1所述的一种高粘抗滑水性橡胶沥青防水涂料，其特征在于，所述增稠剂为纤维素醚与聚丙烯酰胺质量比1-1.5：1的混合物。
  8. 根据权利要求1所述的一种高粘抗滑水性橡胶沥青防水涂料，其特征在于，所述分散剂为油酸钠或磺酸钠，所述抗老化剂为防老剂4020或防老剂RD。
  9. 一种如权利要求1-8任意一项所述高粘抗滑水性橡胶沥青防水涂料的制备方法，其特征在于，包括以下步骤：
    S1、将丁苯胶乳、无机填料、分散剂、消泡剂混合0.2-0.5h，得到初混料；
    S2、将初混料与改性沥青混合后研磨1-1.5h，得到混合物料；
    S3、向混合物料中加入增稠剂、抗老化剂，混合均匀，得到高粘抗滑水性橡胶防水涂料。
  10. 一种如权利要求1-8任意一项所述高粘抗滑水性橡胶沥青防水涂料在地下室立墙、坡屋面中的应用。
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CN116218377B (zh) * 2023-03-24 2023-10-13 深圳市卓众之众防水工程有限公司 一种高粘抗滑防水系统及其材料制备方法
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