CN115139625B - Weather-resistant exposed modified asphalt waterproof coiled material and preparation method thereof - Google Patents

Weather-resistant exposed modified asphalt waterproof coiled material and preparation method thereof Download PDF

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Publication number
CN115139625B
CN115139625B CN202210836112.5A CN202210836112A CN115139625B CN 115139625 B CN115139625 B CN 115139625B CN 202210836112 A CN202210836112 A CN 202210836112A CN 115139625 B CN115139625 B CN 115139625B
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modified asphalt
layer
coiled material
weather
waterproof coiled
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CN115139625A (en
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张云
刘宝成
杨露
刘喜岭
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Hebei Qiangling Waterproof Material Group Co ltd
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Hebei Qiangling Waterproof Material Group Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/14—Layered products comprising a layer of synthetic resin next to a particulate layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/08—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the cooling method
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/16—Drying; Softening; Cleaning
    • B32B38/164—Drying
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/16—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer formed of particles, e.g. chips, powder or granules
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00—Structural or constructional details of bridges
    • E01D19/08—Damp-proof or other insulating layers; Drainage arrangements or devices ; Bridge deck surfacings
    • E01D19/083—Waterproofing of bridge decks; Other insulations for bridges, e.g. thermal ; Bridge deck surfacings
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
    • E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D5/00—Roof covering by making use of flexible material, e.g. supplied in roll form
    • E04D5/10—Roof covering by making use of flexible material, e.g. supplied in roll form by making use of compounded or laminated materials, e.g. metal foils or plastic films coated with bitumen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/04—Coating on the layer surface on a particulate layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/26—Polymeric coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/04—Impregnation, embedding, or binder material
    • B32B2260/042—Bituminous or tarry substance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/101—Glass fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/10—Inorganic particles
    • B32B2264/102—Oxide or hydroxide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/712—Weather resistant

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Hydrology & Water Resources (AREA)
  • Paleontology (AREA)
  • Mining & Mineral Resources (AREA)
  • General Engineering & Computer Science (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Road Paving Structures (AREA)

Abstract

The invention provides a weather-resistant exposed modified asphalt waterproof coiled material and a preparation method thereof, and relates to the technical field of waterproof materials. The weather-resistant exposed modified asphalt waterproof coiled material is prepared from a macromolecule consolidation spray coating, a basalt particle layer, a polymer modified asphalt layer, a matrix reinforcing layer, a polymer modified asphalt layer and a polyethylene film anti-sticking layer in sequence from top to bottom through two steps of preparing modified asphalt mixture and preparing the waterproof coiled material. The weather-resistant exposed modified asphalt waterproof coiled material can improve the functional stability of the waterproof layer and prolong the service life of the waterproof layer of the building roof.

Description

Weather-resistant exposed modified asphalt waterproof coiled material and preparation method thereof
Technical Field
The invention relates to the technical field of waterproof materials, in particular to a weather-resistant exposed modified asphalt waterproof coiled material and a preparation method thereof.
Background
The waterproof function of a building is one of the main use function requirements of people, the waterproof engineering determines the waterproof function of the building, and the quality of the waterproof engineering depends on the performance of waterproof materials to a certain extent. In the waterproof field of buildings, the modified asphalt waterproof coiled material is one of important waterproof materials, is mainly used in waterproof projects such as underground buildings, roofs, tunnels, highway bridges, landfill sites and the like, and can help the buildings resist the erosion and the damage of external rainwater, underground water and water vapor and protect the use space inside the buildings from being influenced by water.
At present, in the waterproof engineering of building roofs, a modified asphalt waterproof coiled material with mineral granules on the upper surface is often adopted for waterproof treatment, wherein the mineral granules mainly perform physical protection on a waterproof layer (namely a lower modified asphalt layer), and prevent the waterproof layer from being exposed in natural environment for a long time to generate aging phenomena such as cracking, swelling and the like so as to prolong the service life of the waterproof layer. However, the waterproof coiled materials currently have the following problems: (1) Mineral particles are randomly dispersed and embedded in the upper surface modified asphalt coating, and are easy to fall off in the transportation, construction and use processes, so that the protection effect on a waterproof layer is further affected, the ageing of the waterproof layer is accelerated, and the leakage of a building roof is caused; (2) Gaps among mineral grains are larger, the surface is rough and uneven, rainwater, snow water or dew in natural environment can enter the modified asphalt layer through the gaps among the mineral grains, and the ageing of the waterproof layer is accelerated; (3) Under the action of external force of wind, mineral aggregate is easy to fall off, mineral aggregate falling off after rain is accumulated at a roof rain falling opening to form blockage, drainage is not smooth, and ageing of a waterproof layer is accelerated, so that the building roof leaks.
Disclosure of Invention
In order to solve the problems, the invention provides a weather-proof exposed modified asphalt waterproof coiled material and a preparation method thereof, so as to improve the functional stability of the waterproof layer and prolong the service life of the waterproof layer of a building roof. The weather-proof exposed modified asphalt waterproof coiled material comprises a six-layer structure, wherein a macromolecule consolidation spray coating layer, a basalt particle layer, a polymer modified asphalt layer, a matrix reinforcing layer, a polymer modified asphalt layer and a polyethylene film anti-sticking layer are sequentially arranged from top to bottom;
the macromolecule consolidation spray coating comprises the following raw materials in percentage by weight:
30-50% of organosilicon copolymerization modified styrene-acrylic emulsion, 50-60% of water, 1.5-2.5% of film forming auxiliary agent, wherein the sum of the weight percentages of the raw materials is 100%, and the film forming auxiliary agent is dodecanol ester.
The basalt particles are graded as follows:
12 meshes of 20-30%, 14 meshes of 15-25%, 18 meshes of 15-20%, 24 meshes of 10-15%, 30 meshes of 10-15%, wherein the sum of the weight percentages of the raw materials is 100%.
The polymer modified asphalt layer comprises the following raw materials in percentage by weight:
42.0 to 47.0 percent of 90# asphalt, 4.5 to 6.5 percent of SBS modifier, 3.0 to 5.0 percent of APP modifier, 4.0 to 8.0 percent of petroleum resin, 5.0 to 10.0 percent of naphthenic oil, 10.0 to 15.0 percent of tire rubber powder, 15.0 to 25.0 percent of filler, and the sum of the weight percentages of the raw materials is 100 percent.
The carcass reinforcing layer is one of a glass fiber reinforced polyester tire of 250g, a polyester tire of 250g and a high-density polyethylene sheet of 0.8-1.0 mm;
the polyethylene film anti-sticking layer is 20g/m 2 Polyethylene film material.
Further, the organosilicon copolymerization modified polystyrene-acrylic emulsion is prepared by an organosilicon monomer and acrylic ester emulsion copolymerization method, the solid content is 45-49%, the PH value is 7-9, and the Tg value is 25-29 ℃.
Further, the 90# asphalt is heavy traffic road asphalt with the wax content less than or equal to 2.2%.
Further, the SBS modifier is formed by compounding star-shaped SBS4303 and linear SBS1401 according to the weight ratio of 1:1, and the APP modifier is random polypropylene resin with the softening point of 100-120 ℃.
Further, the tire rubber powder is 60-mesh ground tire rubber powder.
Further, the petroleum resin is terpene resin, so that the adhesiveness of the basalt particle layer and the polymer modified asphalt layer can be improved.
Further, the filler is talcum powder or heavy calcium carbonate, and the fineness is 200-400 meshes.
The invention also provides a preparation method of the weather-proof exposed modified asphalt waterproof coiled material, which comprises the following steps:
(1) Preparation of modified asphalt mixture: adding 90# asphalt, softened oil and naphthenic oil into a reaction kettle, dehydrating for 30min at 130 ℃ under stirring, sequentially adding SBS modifier, APP modifier and petroleum resin, stirring and heating to 180 ℃, circulating for 60min by a colloid mill, adding tire rubber powder, maintaining the temperature and stirring for 30min at 185 ℃, stopping stirring and standing for 10min, finally adding filler and stirring for 40min, and detecting to obtain a modified asphalt mixture after passing detection;
(2) The preparation of the weather-proof exposed modified asphalt waterproof coiled material comprises the following steps: and (3) unfolding the matrix, drying, pre-soaking the matrix, dip-coating the modified asphalt mixture, coating a film or sand coating, cooling with water, spraying a polymer consolidation spray coating with the thickness of 0.05-0.1 mm on the basalt particle layer, and cooling and solidifying after film formation assisted by blast drying to obtain the weather-proof exposed modified asphalt waterproof coiled material.
Further, the technical indexes of the polymer modified asphalt layer mixture are as follows: the low temperature is qualified at minus 25 ℃, the heat resistance is qualified at 105 ℃, the softening point is 120-125 ℃, the penetration (23-28) is 1/10mm, and the oil permeability is less than or equal to 1 sheet.
Further, the blast drying temperature is 120-140 ℃, and the blast drying time is 60-90 s.
Compared with the prior art, the invention has the beneficial technical effects that:
(1) The basalt particles with specific grading have excellent adhesiveness with the polymer modified asphalt mixture, so that the basalt particle layer can be uniformly embedded into the polymer modified asphalt layer, and the polymer modified asphalt layer is firmer and more stable;
(2) According to the invention, the polymer consolidation material is sprayed on the upper surface of the waterproof coiled material graded basalt particle layer, so that the ageing resistance of the product is improved, gaps on the surface of the basalt particle layer can be filled, basalt particles are mutually bonded and consolidated on the surface of the waterproof coiled material, water is effectively prevented from entering the polymer modified asphalt layer below through the gaps between the basalt particle layers, the waterproof coiled material is prevented from being corroded and aged by long-term soaking, and the service life of the waterproof coiled material is prolonged;
(3) The high polymer consolidation spray coating can be rapidly formed into a film through the processes of blast drying and cooling, and is matched with a plurality of driving rollers of a subsequent forming production line, so that the graded basalt particles are uniformly and compactly embedded on the polymer modified asphalt layer, and the graded basalt particle layer is relatively smooth and good in mechanical stability, so that the problem of basalt particle falling caused by extrusion, vibration and friction in the transportation, construction and use processes of the waterproof coiled material is greatly solved;
(4) The main component of the polymer consolidation spray coating is the organosilicon copolymerization modified polystyrene emulsion, is firm and smooth after film formation, can provide excellent physical protection for the waterproof coiled material, also ensures that the waterproof coiled material has excellent weather resistance, water resistance, wear resistance and good hydrophobicity, greatly prolongs the service life of the waterproof coiled material, and increases the reliability of a building roof system.
Drawings
The invention is further described with reference to the following description of the drawings.
FIG. 1 is a product structure diagram of the weather-proof exposed modified asphalt waterproof coiled material of the invention;
fig. 2 is a flow chart of the preparation process of the weather-proof exposed modified asphalt waterproof coiled material.
Reference numerals illustrate: 1. a polymer consolidation spray coating; 2. a basalt particle layer; 3. a polymer modified asphalt layer; 4. a carcass reinforcing layer; 5. a polymer modified asphalt layer; 6. a polyethylene film anti-sticking layer.
Detailed Description
The invention provides a weather-proof exposed modified asphalt waterproof coiled material and a manufacturing method thereof, wherein the weather-proof exposed modified asphalt waterproof coiled material comprises a six-layer structure, and comprises a macromolecule consolidation spray coating layer, a basalt particle layer, a polymer modified asphalt layer, a matrix reinforcing layer, a polymer modified asphalt layer and a polyethylene film anti-sticking layer from top to bottom in sequence;
the macromolecule consolidation spray coating comprises the following raw materials in percentage by weight:
30-50% of organosilicon copolymerization modified styrene-acrylic emulsion, 50-60% of water, 1.5-2.5% of film forming auxiliary agent, wherein the sum of the weight percentages of the raw materials is 100%, and the film forming auxiliary agent is dodecanol ester.
The basalt particles are graded as follows:
12 meshes of 20-30%, 14 meshes of 15-25%, 18 meshes of 15-20%, 24 meshes of 10-15%, 30 meshes of 10-15%, wherein the sum of the weight percentages of the raw materials is 100%.
The polymer modified asphalt layer comprises the following raw materials in percentage by weight:
42.0 to 47.0 percent of 90# asphalt, 4.5 to 6.5 percent of SBS modifier, 3.0 to 5.0 percent of APP modifier, 4.0 to 8.0 percent of petroleum resin, 5.0 to 10.0 percent of naphthenic oil, 10.0 to 15.0 percent of tire rubber powder, 15.0 to 25.0 percent of filler, and the sum of the weight percentages of the raw materials is 100 percent.
The carcass reinforcing layer is one of a glass fiber reinforced polyester tire of 250g, a polyester tire of 250g and a high-density polyethylene sheet of 0.8-1.0 mm;
the polyethylene film anti-sticking layer is 20g/m 2 Polyethylene film material.
In one embodiment, the organosilicon copolymerization modified polystyrene-acrylic emulsion is prepared by an organosilicon monomer and acrylic ester emulsion copolymerization method, the solid content is 45-49%, the PH value is 7-9, and the Tg value is 25-29 ℃.
In one embodiment, the 90# asphalt is a heavy traffic road asphalt having a wax content of 2.2% or less.
In one embodiment, the SBS modifier is formed by compounding star-shaped SBS4303 and linear SBS1401 according to the weight ratio of 1:1, and the APP modifier is random polypropylene resin with the softening point of 100-120 ℃.
In one embodiment, the tire rubber powder is 60 mesh ground tire rubber powder.
In one embodiment, the petroleum resin is a terpene resin capable of increasing the adhesion of the basalt particle layer and the polymer modified asphalt layer.
In one embodiment, the filler is talcum powder or heavy calcium carbonate, and the fineness is 200-400 meshes.
The invention also provides a preparation method of the weather-proof exposed modified asphalt waterproof coiled material, which comprises the following steps:
(1) Preparation of modified asphalt mixture: adding 90# asphalt, softened oil and naphthenic oil into a reaction kettle, dehydrating for 30min at 130 ℃ under stirring, sequentially adding SBS modifier, APP modifier and petroleum resin, stirring and heating to 180 ℃, circulating for 60min by a colloid mill, adding tire rubber powder, maintaining the temperature and stirring for 30min at 185 ℃, stopping stirring and standing for 10min, finally adding filler and stirring for 40min, and detecting to obtain a modified asphalt mixture after passing detection;
(2) The preparation of the weather-proof exposed modified asphalt waterproof coiled material comprises the following steps: and (3) unfolding the matrix, drying, pre-soaking the matrix, dip-coating the modified asphalt mixture, coating a film or sand coating, cooling with water, spraying a polymer consolidation spray coating with the thickness of 0.05-0.1 mm on the basalt particle layer, and cooling and solidifying after film formation assisted by blast drying to obtain the weather-proof exposed modified asphalt waterproof coiled material.
In one embodiment, the polymer modified asphalt layer mixture technical index satisfies: the low temperature is qualified at minus 25 ℃, the heat resistance is qualified at 105 ℃, the softening point is 120-125 ℃, the penetration (23-28) is 1/10mm, and the oil permeability is less than or equal to 1 sheet.
In one embodiment, the blast drying temperature is 120-140 ℃ and the blast drying time is 60-90 s.
The technical scheme provided by the invention is further described below by combining with the embodiment.
Example 1
The weather-proof exposed modified asphalt waterproof coiled material sequentially comprises a macromolecule consolidation spray coating layer, a basalt particle layer, a polymer modified asphalt layer, a matrix reinforcing layer, a polymer modified asphalt layer and a polyethylene film anti-sticking layer from top to bottom;
wherein the macromolecule consolidation spray coating consists of the following raw materials in percentage by weight:
45.0% of organosilicon copolymerization modified styrene-acrylic emulsion, 52.5% of water and 2.5% of dodecanol ester;
the organosilicon copolymerization modified polystyrene-acrylic emulsion is prepared by an organosilicon monomer and acrylic ester emulsion copolymerization method, the solid content is 48%, the PH value is 8, the Tg value is 27 ℃, the organosilicon copolymerization modified polystyrene-acrylic emulsion is purchased from Jiang Susheng, and the model is SD-5281 nanometer silicon-acrylic emulsion;
the basalt particle grading in the basalt particle layer is as follows: 28.0% of 12 meshes, 22.0% of 14 meshes, 20.0% of 18 meshes, 15.0% of 24 meshes and 15.0% of 30 meshes;
the polymer modified asphalt layer is composed of the following raw materials in percentage by weight: 45.0% of 90# asphalt, 5.0% of SBS modifier, 3.5% of APP modifier, 5.5% of petroleum resin, 7.0% of naphthenic oil, 13.0% of tire rubber powder and 21.0% of filler;
250g of glass fiber reinforced polyester tire is used as the tire body reinforcing layer, and is purchased from An Guo city building non-woven fabrics, and the model is 250g of glass fiber reinforced polyester tire; the polyethylene film was used for the release layer at 20g/m 2 Polyethylene film material purchased from Hebei Xinwang paper plastic; the 90# asphalt is heavy traffic road asphalt with wax content of 1.8%; the SBS modifier is prepared by compounding star-shaped SBS4303 (Chinese petrochemical 4303) and linear SBS1401 (Chinese petrochemical 1401) according to the weight ratio of 1:1; the APP modifier is a random polypropylene resin with a softening point of 110 ℃, and is purchased from Qingdao Jisi, and the model is A35 modified APAO; the tire rubber powder is 60-mesh ground tire rubber powder; the petroleum resin is terpene resin; the filling material is 400-mesh talcum powder.
The preparation method of the weather-proof exposed modified asphalt waterproof coiled material comprises the following steps:
(1) Preparation of modified asphalt mixture: adding 90# asphalt, softened oil and naphthenic oil into a reaction kettle, dehydrating for 30min at 130 ℃ under stirring, sequentially adding SBS modifier, APP modifier and petroleum resin, stirring and heating to 180 ℃, circulating for 60min by a colloid mill, adding tire rubber powder, maintaining the temperature and stirring for 30min at 185 ℃, stopping stirring and standing for 10min, finally adding filler and stirring for 40min, and detecting to obtain a modified asphalt mixture after passing detection;
(2) The preparation of the weather-proof exposed modified asphalt waterproof coiled material comprises the following steps: spreading the matrix, drying, dip-coating the modified asphalt mixture after the matrix is presoaked, and cooling by water after film coating or sand coating, spraying a macromolecule consolidation spray coating layer with the thickness of 0.05mm on the basalt particle layer, and cooling and consolidation after film forming assisted by blast drying to obtain a weather-proof exposed modified asphalt waterproof coiled material;
the technical index of the polymer modified asphalt layer mixture meets the requirements of low temperature of minus 25 ℃, heat resistance of 105 ℃ and softening point of 123 ℃, penetration (25) of 1/10mm and oil permeability of 1 sheet; the thickness of the macromolecule consolidation spray coating is 0.05mm; the blast drying temperature is 130 ℃, and the blast drying time is 90s.
Example 2
The weather-proof exposed modified asphalt waterproof coiled material sequentially comprises a macromolecule consolidation spray coating layer, a basalt particle layer, a polymer modified asphalt layer, a matrix reinforcing layer, a polymer modified asphalt layer and a polyethylene film anti-sticking layer from top to bottom;
wherein the macromolecule consolidation spray coating consists of the following raw materials in percentage by weight:
50.0% of organosilicon copolymerization modified styrene-acrylic emulsion, 47.5% of water and 2.5% of film forming auxiliary agent (supplementing the specific type of film forming agent);
the organosilicon copolymerization modified polystyrene-acrylic emulsion is prepared by an organosilicon monomer and acrylic ester emulsion copolymerization method, the solid content is 49%, the PH value is 8, the Tg value is 29 ℃, the organosilicon copolymerization modified polystyrene-acrylic emulsion is purchased from Jiang Susheng, and the model is SD-5281 nanometer silicon-acrylic emulsion;
the basalt particle grading in the basalt particle layer is as follows: 30.0% of 12 meshes, 20.0% of 14 meshes, 20.0% of 18 meshes, 15.0% of 24 meshes and 15.0% of 30 meshes;
the polymer modified asphalt layer is composed of the following raw materials in percentage by weight: 46.0% of 90# asphalt, 5.5% of SBS modifier, 4.0% of APP modifier, 8.0% of petroleum resin, 8.0% of naphthenic oil, 12.0% of tire rubber powder and 16.5% of filler;
the tire body reinforcing layer is made of 250g glass fiber reinforced polyester tire, and is purchased from An Guo city building non-woven fabric, and the model is 250g glass fiber reinforced polyester tireThe method comprises the steps of carrying out a first treatment on the surface of the The polyethylene film was used for the release layer at 20g/m 2 Polyethylene film material purchased from Hebei Xinwang paper plastic; the 90# asphalt is heavy traffic road asphalt with wax content of 1.8%; the SBS modifier is prepared by compounding star-shaped SBS4303 (Chinese petrochemical 4303) and linear SBS1401 (Chinese petrochemical 1401) according to the weight ratio of 1:1; the APP modifier is a random polypropylene resin with a softening point of 120 ℃, and is purchased from Qingdao Jisi, and the model is A35 modified APAO; the tire rubber powder is 60-mesh ground tire rubber powder; the petroleum resin is terpene resin; the filling material is 400-mesh talcum powder.
The preparation method of the weather-proof exposed modified asphalt waterproof coiled material comprises the following steps:
(1) Preparation of modified asphalt mixture: adding 90# asphalt, softened oil and naphthenic oil into a reaction kettle, dehydrating for 30min at 130 ℃ under stirring, sequentially adding SBS modifier, APP modifier and petroleum resin, stirring and heating to 180 ℃, circulating for 60min by a colloid mill, adding tire rubber powder, maintaining the temperature and stirring for 30min at 185 ℃, stopping stirring and standing for 10min, finally adding filler and stirring for 40min, and detecting to obtain a modified asphalt mixture after passing detection;
(2) The preparation of the weather-proof exposed modified asphalt waterproof coiled material comprises the following steps: spreading the matrix, drying, dip-coating the modified asphalt mixture after the matrix is presoaked, and cooling by water after film coating or sand coating, spraying a macromolecule consolidation spray coating layer with the thickness of 0.05mm on the basalt particle layer, and cooling and consolidation after film forming assisted by blast drying to obtain a weather-proof exposed modified asphalt waterproof coiled material;
the technical index of the polymer modified asphalt layer mixture meets the requirements of low temperature of minus 25 ℃, heat resistance of 105 ℃, softening point of 125 ℃, penetration (23) of 1/10mm and oil permeability of 1 sheet; the blast drying temperature is 140 ℃, and the blast drying time is 90s.
Test example 1
The weather-resistant exposed modified asphalt waterproof coiled materials prepared in examples 1 and 2 were measured by referring to the method described in GB18242-2008 "elastomer modified asphalt waterproof coiled materials", and Jiang Ling SBS I PY M PE 4.010 waterproof coiled materials were used as a comparison, and the results are as follows:
as is clear from Table 1, the modified asphalt waterproof coiled materials prepared in examples 1-2 have far better mineral particle adhesion performance than conventional waterproof coiled materials with mineral particles, and heat aging resistance and water resistance indexes are also better than those of conventional products. Therefore, the invention obviously improves the ageing resistance of the waterproof coiled material, has good weather resistance and prolongs the waterproof service life of the building.
The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to assist in understanding the methods of the present invention and the core ideas thereof; also, it is within the scope of the present invention to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the invention.

Claims (7)

1. The weather-resistant exposed modified asphalt waterproof coiled material is characterized by sequentially comprising a macromolecule consolidation spray coating layer, a basalt particle layer, a polymer modified asphalt layer, a matrix reinforcing layer, a polymer modified asphalt layer and a polyethylene film anti-sticking layer from top to bottom;
the macromolecule consolidation spray coating comprises the following raw materials in percentage by weight:
30-50% of organosilicon copolymerization modified polyacrylate emulsion, 50-60% of water, 1.5-2.5% of film forming auxiliary agent, wherein the sum of the weight percentages of the raw materials is 100%, and the film forming auxiliary agent is dodecanol ester;
the basalt particles are graded as follows:
20-30% of 12 meshes, 15-25% of 14 meshes, 15-20% of 18 meshes, 10-15% of 24 meshes, and more than 10-15% of 30 meshes, wherein the sum of the weight percentages of the raw materials is 100%;
the polymer modified asphalt layer comprises the following raw materials in percentage by weight:
42.0 to 47.0 percent of 90# asphalt, 4.5 to 6.5 percent of SBS modifier, 3.0 to 5.0 percent of APP modifier, 4.0 to 8.0 percent of petroleum resin, 5.0 to 10.0 percent of naphthenic oil, 10.0 to 15.0 percent of tire rubber powder, 15.0 to 25.0 percent of filler, and the sum of the weight percentages of the raw materials is 100 percent;
the tire body reinforcing layer is one of a 250g glass fiber reinforced polyester tire, a 250g polyester tire and a 0.8-1.0 mm high-density polyethylene sheet;
the anti-adhesion layer of the polyethylene film is 20g/m 2 A polyethylene film material;
the organosilicon copolymerization modified polyacrylate emulsion is prepared by an organosilicon monomer and acrylate emulsion copolymerization method, the solid content is 45% -49%, the PH value is 7-9, and the Tg value is 25-29 ℃;
the SBS modifier is formed by compounding star-shaped SBS4303 and linear SBS1401 according to the weight ratio of 1:1, and the APP modifier is random polypropylene resin with the softening point of 100-120 ℃;
the petroleum resin is terpene resin, and can increase the adhesiveness of the basalt particle layer and the polymer modified asphalt layer.
2. The weather-resistant exposed modified asphalt waterproof coiled material according to claim 1, wherein the 90# asphalt is heavy traffic road asphalt with a wax content of less than or equal to 2.2%.
3. The weather-resistant exposed modified asphalt waterproof coiled material according to claim 1, wherein the tire rubber powder is 60-mesh ground tire rubber powder.
4. The weather-resistant exposed modified asphalt waterproof coiled material according to claim 1, wherein the filler is talcum powder or heavy calcium carbonate, and the fineness is 200-400 meshes.
5. The method for preparing the weather-resistant exposed modified asphalt waterproof coiled material according to any one of claims 1 to 4, which is characterized by comprising the following steps:
(1) Preparation of modified asphalt mixture: adding 90# asphalt and naphthenic oil into a reaction kettle, dehydrating for 30min at 130 ℃ under stirring, sequentially adding SBS modifier, APP modifier and petroleum resin, stirring and heating to 180 ℃, circulating for 60min by a colloid mill, adding tire rubber powder, preserving heat and stirring for 30min at 185 ℃, stopping stirring and standing for 10min, finally adding filler and stirring for 40min, and detecting to obtain a modified asphalt mixture after passing detection;
(2) Preparing a weather-resistant exposed modified asphalt waterproof coiled material: and (3) unfolding the matrix, drying, pre-soaking the matrix, dip-coating the modified asphalt mixture, coating a film or sand coating, cooling with water, spraying a macromolecule solidification spray coating with the thickness of 0.05-0.1 mm on the basalt particle layer, and cooling and solidifying after film formation assisted by blast drying to obtain the weather-resistant exposed modified asphalt waterproof coiled material.
6. The method for preparing the weather-resistant exposed modified asphalt waterproof coiled material according to claim 5, wherein the technical indexes of the polymer modified asphalt layer mixture are as follows: the low temperature is qualified at-25 ℃, the heat resistance is qualified at 105 ℃, the softening point is 120-125 ℃, the penetration (23-28) is 1/10mm, and the oil permeability is less than or equal to 1 sheet.
7. The method for preparing the weather-resistant exposed modified asphalt waterproof coiled material according to claim 5, wherein the blast drying temperature is 120-140 ℃ and the blast drying time is 60-90 s.
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