CN116176063A - Heat-insulating modified asphalt non-curing waterproof coiled material, preparation method thereof and production line - Google Patents
Heat-insulating modified asphalt non-curing waterproof coiled material, preparation method thereof and production line Download PDFInfo
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- CN116176063A CN116176063A CN202211720786.5A CN202211720786A CN116176063A CN 116176063 A CN116176063 A CN 116176063A CN 202211720786 A CN202211720786 A CN 202211720786A CN 116176063 A CN116176063 A CN 116176063A
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- 238000002360 preparation method Methods 0.000 title abstract description 12
- 239000002131 composite material Substances 0.000 claims abstract description 37
- 229920001971 elastomer Polymers 0.000 claims abstract description 35
- 239000005060 rubber Substances 0.000 claims abstract description 35
- 239000000843 powder Substances 0.000 claims abstract description 34
- 239000000945 filler Substances 0.000 claims abstract description 30
- 239000004014 plasticizer Substances 0.000 claims abstract description 24
- 229920000098 polyolefin Polymers 0.000 claims abstract description 22
- 229920002725 thermoplastic elastomer Polymers 0.000 claims abstract description 22
- 239000002318 adhesion promoter Substances 0.000 claims abstract description 17
- 239000003607 modifier Substances 0.000 claims abstract description 17
- 238000009413 insulation Methods 0.000 claims abstract description 14
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 13
- 238000002955 isolation Methods 0.000 claims abstract description 9
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 claims description 39
- 238000003756 stirring Methods 0.000 claims description 20
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- 238000000576 coating method Methods 0.000 claims description 19
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- 239000002245 particle Substances 0.000 claims description 9
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- 238000000034 method Methods 0.000 claims description 7
- 230000000051 modifying effect Effects 0.000 claims description 7
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 6
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- 239000011575 calcium Substances 0.000 claims description 6
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- VSKJLJHPAFKHBX-UHFFFAOYSA-N 2-methylbuta-1,3-diene;styrene Chemical compound CC(=C)C=C.C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 VSKJLJHPAFKHBX-UHFFFAOYSA-N 0.000 claims description 3
- 229920000459 Nitrile rubber Polymers 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims description 2
- 229920006254 polymer film Polymers 0.000 claims description 2
- 238000004078 waterproofing Methods 0.000 claims description 2
- 230000032683 aging Effects 0.000 abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
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- FACXGONDLDSNOE-UHFFFAOYSA-N buta-1,3-diene;styrene Chemical compound C=CC=C.C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 FACXGONDLDSNOE-UHFFFAOYSA-N 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
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- 230000002522 swelling effect Effects 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
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Classifications
-
- 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
- B32B11/00—Layered products comprising a layer of bituminous or tarry substances
-
- 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
- B32B11/00—Layered products comprising a layer of bituminous or tarry substances
- B32B11/04—Layered products comprising a layer of bituminous or tarry substances comprising such bituminous or tarry substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- 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
- B32B11/00—Layered products comprising a layer of bituminous or tarry substances
- B32B11/04—Layered products comprising a layer of bituminous or tarry substances comprising such bituminous or tarry substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B11/046—Layered products comprising a layer of bituminous or tarry substances comprising such bituminous or tarry substance 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
- B32B27/32—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
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L95/00—Compositions of bituminous materials, e.g. asphalt, tar, pitch
-
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/304—Insulating
-
- 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
- B32B2307/726—Permeability to liquids, absorption
- B32B2307/7265—Non-permeable
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Health & Medical Sciences (AREA)
- Materials Engineering (AREA)
- Architecture (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Laminated Bodies (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
A heat-insulating modified asphalt non-curing waterproof coiled material, a preparation method and a production line thereof, the technical scheme is as follows: the waterproof coiled material sequentially comprises a heat insulation layer, a first composite modified asphalt layer, a reinforced tire base reinforcing layer, a second composite modified asphalt layer, a non-curing layer and an isolation layer from the upper surface to the lower surface; the composite modified asphalt layer comprises the following components in percentage by mass: 43-52% of 70# heavy-duty asphalt, 5-12% of plasticizer, 2-5% of thermoplastic elastomer SBS, 2-3% of polyolefin, 9-14% of rubber powder and 22-27% of filler; the non-cured layer includes: 35-40% of 70# heavy asphalt, 30-35% of modifier, 2-5% of adhesion promoter and 25-30% of filler; the design of the multi-layer composite structure can reduce the surface temperature of the roof and improve the performances of water resistance, heat resistance, aging resistance and the like of the material.
Description
Technical Field
The invention relates to the technical field of waterproof coiled materials, in particular to a heat-insulating modified asphalt non-curing waterproof coiled material.
Background
In recent years, more and more old communities need to be reformed, and the problem of waterproof quality becomes a difficult problem in roof waterproof engineering.
The PE of the traditional waterproof coiled material is not suitable for being exposed and used, a protective layer is required to be applied after the PE waterproof coiled material is used, and the comprehensive cost is high; although the rock slices can be exposed for use, the material is easy to warp and shrink after absorbing heat, has poor dimensional stability, influences the waterproof effect, cannot effectively insulate heat, and is unfavorable for indoor energy conservation. Moreover, the adoption of the two materials greatly increases the load of the roof, which is clearly a great challenge for old roof improvement. Therefore, how to realize convenient construction in the roof waterproof construction process, avoid protecting layers, reduce the load of the roof, and provide a material with stable performance and good heat insulation performance becomes a problem to be studied by us.
Disclosure of Invention
The invention aims to provide a heat-insulating modified asphalt non-curing waterproof coiled material, which not only can solve the technical defects of the existing products, but also can endow the modified asphalt coiled material with heat-insulating performance; the method can reduce the surface temperature of the roof, improve the water resistance, heat resistance, aging resistance and other performances of the material, and simultaneously achieve the effects of prolonging the service life of the product, prolonging the service life of the building and the like.
The above object of the present invention is achieved by the following technical solutions:
the waterproof coiled material sequentially comprises a heat insulation layer, a first composite modified asphalt layer, a reinforced tire base reinforcing layer, a second composite modified asphalt layer, a non-curing layer and an isolation layer from the upper surface to the lower surface; the composite modified asphalt layer comprises the following components in percentage by mass: 43-52% of 70# heavy-duty asphalt, 5-12% of plasticizer, 2-5% of thermoplastic elastomer SBS, 2-3% of polyolefin, 9-14% of rubber powder and 22-27% of filler; the non-cured layer comprises the following components in percentage by mass: 35-40% of 70# heavy traffic asphalt, 30-35% of modifier, 2-5% of adhesion promoter and 25-30% of filler.
Through adopting above-mentioned technical scheme, be provided with compound modified asphalt layer in the both sides of reinforcing child base enhancement layer, be provided with non-solidified layer and insulating layer again, multilayer composite structure's design for this product has the dual function of modified asphalt waterproofing membrane and non-solidified rubber asphalt waterproof coating.
Thermoplastic elastomer SBS and polyolefin are added into the composite modified asphalt layer, so that the physical property, mechanical property and rheological behavior of asphalt can be improved. The molecular physical crosslinking is formed into a three-dimensional network, so that the modified asphalt has excellent performance in terms of strength and elasticity, and simultaneously has good improvement effect on high and low temperature performance of the asphalt. The asphalt and the thermoplastic elastomer SBS often have the problem of insufficient storage stability, and in order to solve the problem, the technical scheme specially selects 70# heavy-traffic asphalt, wherein the asphalt matrix and the aromatic hydrocarbon content of the 70# heavy-traffic asphalt are higher, and the compatibility with the thermoplastic elastomer SBS is better, so that the asphalt and the thermoplastic elastomer SBS can be uniformly and stably dispersed in the asphalt to form a stable colloid structure with the asphalt, and therefore, the excellent modification effect is achieved.
The polyolefin has higher softening point and crystallinity, can greatly improve the softening point and heat resistance of modified asphalt, does not obviously influence the low-temperature performance of the modified asphalt, has a narrow molecular weight distribution range, has a linear chain structure, has relatively fewer linear chains and a certain amount of carboxyl, hydroxyl and other functional groups on a molecular chain, has obvious infiltration, infiltration and dispersion capacities on rubber powder, fillers and the like, can improve the affinity between thermoplastic elastomer SBS, asphalt and fillers, infiltrates into macromolecular chains such as SBS and asphalt and reduces the interaction among molecules, plays a lubricating role, improves the rheological property of the asphalt when the temperature is higher than the softening point of the asphalt, has higher saturation of the molecular structure, and has the characteristics of strong antioxidant capacity and good weather resistance.
The double-layer composite modified asphalt layer is arranged, and the non-curing layer, the heat insulation layer and the isolation layer are arranged, so that the product can avoid being covered with a protection layer when the roof is subjected to waterproof construction, reduce the load of the roof, reduce the surface temperature of the roof, improve the water resistance, heat resistance, ageing resistance and other performances of the material, and simultaneously achieve the effects of prolonging the service life of the product and prolonging the service life of a building.
The invention is further provided with: the heat insulation layer is a high heat reflection film and is mainly prepared by coating a polymer film with a mixture of special printing ink and silver powder particles with different particle diameters.
By adopting the technical scheme, the silver is the metal material with the highest reflectivity, the strength and the stability are good, and the mixed ink can improve the reflection effect of the high-reflection film, so that the heat insulation layer achieves the good heat insulation protection effect. The surface temperature after construction is 30-35 ℃, which is reduced by about 25-30 ℃ compared with 55-60 ℃ of the traditional coiled material.
The invention is further provided with: the reinforced matrix reinforcing layer is a reinforced long fiber polyester matrix with gram weight of 200 g/square meter.
By adopting the technical scheme, the long-fiber polyester tire has stronger tensile strength and elongation, stronger thermal stability and tearing resistance, stronger puncture resistance, corrosion resistance and aging resistance compared with the short-fiber polyester tire, and various performances of the product can be improved by compounding the long-fiber polyester tire with the modified asphalt layer.
The invention is further provided with: the plasticizer is a mixture of base oil and aromatic oil, the base oil accounts for 80-90% of the plasticizer, and the aromatic oil accounts for 10-20% of the plasticizer.
By adopting the technical scheme, the mixture of the aromatic hydrocarbon oil and the base oil can weaken Van der Waals force among polymer molecules, increase the mobility of molecular chains, reduce the crystallinity of the polymer molecular chains, soften asphalt and SBS resin and promote the swelling of SBS; in the SBS-asphalt structure system, phase separation occurs, as the dosage of SBS increases, SBS-asphalt forms a continuous network structure which is communicated with each other, hard polystyrene end chains are dispersed in a polybutadiene elastomer continuous phase body to form a network structure, and a block copolymer of polystyrene and polybutadiene is wholly dispersed in asphalt which is taken as a continuous phase as a dispersed phase to form a continuous network. The net structure has ideal elasticity, plasticity and ductility, so that the mechanical property of asphalt is changed, but a continuous network can be formed only after the polymer is fully swelled, so that the invention adds the mixture prepared by the base oil and the aromatic hydrocarbon oil, promotes SBS to fully swell, and synergistically modifies asphalt.
The invention is further provided with: the thermoplastic elastomer SBS is star-shaped styrene-butadiene-styrene block copolymer, and the polyolefin is amorphous alpha-olefin copolymer.
By adopting the technical scheme, the preferable technical parameters of the star-shaped styrene-butadiene-styrene block copolymer are as follows: the styrene/butadiene is 40/60, the average molecular weight is about 12 ten thousand, and the styrene/butadiene has good service performance. Preferred technical parameters for amorphous alpha-olefin copolymers are: viscosity (190 ℃ C.). 500-70000 cP, penetration (100 g/25 ℃/5 s): 9-110 dmm, softening point: 90-160 ℃. The star-shaped styrene-butadiene-styrene block copolymer has better modifying effect than linear modifying effect; the amorphous alpha-olefin copolymer has the characteristics of excellent low temperature, gao Wenxing, water resistance, oxidation resistance, ultraviolet resistance, good compatibility with an organic phase and the like, and the star-shaped SBS is matched with the modification of the amorphous alpha-olefin copolymer to asphalt, so that the product has excellent heat resistance and ageing resistance.
The invention is further provided with: the modifier comprises the following components in percentage by mass: 60-80% of rubber and 20-40% of hydrogenated petroleum resin; the rubber comprises one or more of styrene-butadiene rubber, nitrile rubber, styrene-isoprene-styrene segmented copolymer, styrene-ethylene-propylene-styrene segmented copolymer and other various rubbers; the adhesion promoter comprises one or more of sulfonated styrene maleic anhydride copolymer, lignosulfonate and polypropylene resin.
By adopting the technical scheme, the hydrogenated petroleum resin has good compatibility and strong adhesive force, and can improve the fluidity and the adhesiveness of the rubber, thereby being beneficial to further improving the performance of the modified asphalt. The selected adhesion promoters have good compatibility with asphalt, and can achieve excellent modification effect after being stirred for a short time.
The invention is further provided with: the rubber powder is fine shoe edge rubber powder with 40-60 meshes; the filling material comprises the following components in percentage by mass: 55-75% of talcum powder with fineness of more than or equal to 200 meshes and 25-45% of heavy calcium powder with fineness of more than or equal to 400 meshes.
By adopting the technical scheme, the shoe edge rubber powder is processed by the recycled waste rubber shoes, and can cooperate with the modification of asphalt, so that the using amount of SBS is reduced, the cost is reduced, and the environment is protected; the finer the welt rubber powder is, the better the performance is, the better the performances such as wear resistance, fatigue resistance, crack growth resistance and the like are, and the fine welt rubber powder with 40-60 meshes is the best. Talcum powder is composite modified asphalt layer filler, can play the role of ageing resistance and stabilization of a reinforcing material, 400-mesh calcium powder is non-solidified layer filler, powder is not easy to precipitate in the preparation process of the layer, and the talcum powder is well adhered to a base layer after application.
The invention is further provided with: the isolation layer is an easily-melted ultrathin polyethylene film with the thickness of 0.006-0.008 mm.
Through adopting above-mentioned technical scheme, polyethylene film barrier property is good, can play the effect of isolation, prevents that fine stone concrete and waterproof bonding from causing flexible inconsistent destruction waterproof layer to play the effect of good waterproof isolation, it is more easy to melt when being under construction than traditional barrier film, and it is more convenient to use.
The invention is further provided with: the composite modified asphalt layer is prepared by the following method:
a1: firstly, adding 70# heavy asphalt and plasticizer mixture into a vertical mixing tank, stirring, mixing and lifting
The temperature is between 150 and 160 ℃;
a2: sequentially and slowly adding thermoplastic elastomer SBS and polyolefin;
a3: heating to 170-185 ℃, starting a colloid mill to grind for 2-3 times until no macroscopic particles exist
Adding rubber powder;
a4: starting colloid mill, grinding again, and modifying at the temperature for 1-1.5 hr to obtain preliminary modification
Asphalt;
a5: feeding the primary modified asphalt into a horizontal filling stirring tank, adding filler, cooling to 170-175 ℃, and uniformly stirring at a constant temperature to obtain composite modified asphalt;
the non-cured layer is made by the following method:
b1: firstly, adding 70# heavy asphalt into a vertical batching tank, stirring, mixing and heating to 150-160 ℃;
b2: adding modifier and adhesion promoter, and melting and dispersing uniformly at 160-170 ℃;
b3: adding filler, cooling to 120-130 deg.C, and discharging.
Through adopting above-mentioned technical scheme, add plasticizer and pitch together, be convenient for with plasticizer and pitch misce bene, the plasticizer can soften pitch earlier, and the SBS and polyolefin are added again after the two misce bene for the swelling effect of SBS and polyolefin reaches the best, thereby realizes carrying out the optimal modification to pitch. Colloid grinding for 2-3 times can further ensure that SBS and polyolefin can be uniformly dispersed in asphalt, and improve stability.
The invention is further provided with: the production steps of the waterproof coiled material comprise: spreading the matrix, coating modified asphalt, coating a non-solidified layer, extruding and forming by a pair of rollers, coating a film, cooling, flattening, rolling and storing.
By adopting the technical scheme, the waterproof coiled material with excellent performances of water resistance, heat resistance, aging resistance and the like can be produced, and a protective layer can be avoided during construction.
In summary, the beneficial technical effects of the invention are as follows:
1. the two sides of the reinforced tire base reinforcing layer are provided with the composite modified asphalt layer, the non-cured layer and the heat insulation layer, and the design of the multi-layer composite structure ensures that the product has the dual functions of the modified asphalt waterproof coiled material and the non-cured rubber asphalt waterproof paint;
2. the heat-resistant and ageing-resistant properties of the product can be further improved by arranging the heat-insulating layer, and the service life of the product is prolonged;
3. the star-shaped styrene-butadiene-styrene segmented copolymer and the amorphous alpha-olefin copolymer cooperate with each other to modify asphalt, and the asphalt can improve the crack growth resistance, the storage stability and the heat resistance of the composite modified asphalt layer by matching with the use of the plasticizer and the rubber powder.
Detailed Description
The present embodiment is merely illustrative of the present application and is not intended to be limiting, and those skilled in the art, after having read the present specification, may make modifications to the present embodiment without creative contribution as required, but is protected by patent laws within the scope of the claims of the present application.
Example 1
The heat insulating modified asphalt non-curing waterproof coiled material comprises a heat insulating layer, a first composite modified asphalt layer, a reinforced tire base reinforcing layer, a second composite modified asphalt layer, a non-curing layer and an isolating layer from the upper surface to the lower surface. Wherein the heat insulation layer is a high heat reflection film with the thickness of 0.01 mm; the reinforced matrix reinforcing layer is a reinforced long fiber polyester matrix with the weight of 200 g/square meter; the isolation layer is an ultrathin polyethylene film with the thickness of 0.006 mm.
The composite modified asphalt layer comprises the following components in percentage by mass: 45% of 70# heavy-duty asphalt, 12% of plasticizer, 3% of thermoplastic elastomer SBS, 3% of polyolefin, 10% of rubber powder and 27% of filler. Wherein, the penetration of the 70# heavy traffic petroleum asphalt is 60 to 80, the softening point is 44 to 54, and the wax content is less than or equal to 2 percent; the thermoplastic elastomer SBS is a star styrene-butadiene-styrene block copolymer, and the preferable technical parameters are as follows: styrene/butadiene 40/60, average molecular weight about 12 ten thousand; the polyolefin is an amorphous alpha-olefin copolymer, and the preferred technical parameters are: viscosity (190 ℃ C.). 500-70000 cP, penetration (100 g/25 ℃/5 s): 9-110 dmm, softening point: 90-160 ℃; the plasticizer is a mixture of base oil and aromatic hydrocarbon oil with the ratio of 9:1; the rubber powder is 40 mesh shoe edge rubber powder.
The non-cured layer comprises the following components in percentage by mass: 38% of 70# heavy traffic asphalt, 35% of modifier, 2% of adhesion promoter and 25% of filler. Wherein the modifier comprises the following components in percentage by mass: 20% of styrene-butadiene rubber, 40% of nitrile rubber and 40% of hydrogenated petroleum resin; the adhesion promoter comprises the following components in percentage by mass: 50% of sulfonated styrene maleic anhydride copolymer and 50% of lignosulfonate; the filler comprises the following components in percentage by mass: 55% of 200-mesh talcum powder and 45% of 400-mesh heavy calcium powder.
The preparation method of the composite modified asphalt layer comprises the following steps:
a1: firstly, adding 70# heavy asphalt and a plasticizer mixture into a vertical material mixing tank, stirring, mixing and heating to 150 ℃;
a2: sequentially and slowly adding thermoplastic elastomer SBS and polyolefin;
a3: heating to 170 ℃, starting a colloid mill to grind for 3 times until no macroscopic particles exist, and adding rubber powder;
a4: starting a colloid mill to grind again, and modifying for 1 hour at the temperature to obtain primary modified asphalt;
a5: and (3) feeding the primary modified asphalt into a horizontal filling stirring tank, adding filler, cooling to 170 ℃, preserving heat, and uniformly stirring to obtain the composite modified asphalt.
The preparation method of the non-cured layer comprises the following steps:
b1: firstly, adding 70# heavy asphalt into a vertical batching tank, stirring, mixing and heating to 150 ℃;
b2: adding modifier and adhesion promoter, and melting and dispersing at 160deg.C;
b3: adding filler, cooling to 120 ℃, and discharging.
The production line of the waterproof coiled material comprises the following steps: spreading the matrix, coating modified asphalt, coating a non-solidified layer, extruding and forming by a pair of rollers, coating a film, cooling, flattening, rolling and storing.
Example 2:
the heat insulating modified asphalt non-curing waterproof coiled material comprises a heat insulating layer, a first composite modified asphalt layer, a reinforced tire base reinforcing layer, a second composite modified asphalt layer, a non-curing layer and an isolating layer from the upper surface to the lower surface. Wherein the heat insulation layer is a high heat reflection film with the thickness of 0.012 mm; the reinforced matrix reinforcing layer is a reinforced long fiber polyester matrix with the weight of 200 g/square meter; the barrier layer was an ultrathin polyethylene film 0.007mm thick.
The composite modified asphalt layer comprises the following components in percentage by mass: 48% of 70# heavy-duty asphalt, 10% of plasticizer, 3.5% of thermoplastic elastomer SBS, 2.5% of polyolefin, 11% of rubber powder and 26% of filler. Wherein, the penetration of the 70# heavy traffic petroleum asphalt is 60 to 80, the softening point is 44 to 54, and the wax content is less than or equal to 2 percent; the thermoplastic elastomer SBS is a star styrene-butadiene-styrene block copolymer, and the preferable technical parameters are as follows: styrene/butadiene 40/60, average molecular weight about 12 ten thousand; the polyolefin is an amorphous alpha-olefin copolymer, and the preferred technical parameters are: viscosity (190 ℃ C.). 500-70000 cP, penetration (100 g/25 ℃/5 s): 9-110 dmm, softening point: 90-160 ℃; the plasticizer is a mixture of base oil and aromatic hydrocarbon oil with the ratio of 8.5:1.5; the rubber powder is 40 mesh shoe edge rubber powder.
The non-cured layer comprises the following components in percentage by mass: 40% of 70# heavy traffic asphalt, 32% of modifier, 3% of adhesion promoter and 25% of filler. Wherein the modifier comprises the following components in percentage by mass: 30% of styrene-isoprene-styrene pre-copolymer, 40% of styrene-ethylene-propylene-styrene block copolymer and 30% of hydrogenated petroleum resin; the adhesion promoter comprises the following components in percentage by mass: 40% of sulfonated styrene maleic anhydride copolymer and 60% of polypropylene resin; the filler comprises the following components in percentage by mass: 50% of 300-mesh talcum powder and 50% of 400-mesh heavy calcium powder.
The preparation method of the composite modified asphalt layer comprises the following steps:
a1: firstly, adding 70# heavy asphalt and a plasticizer mixture into a vertical material mixing tank, stirring, mixing and heating to 160 ℃;
a2: sequentially and slowly adding thermoplastic elastomer SBS and polyolefin;
a3: heating to 185 ℃ and starting a colloid mill to grind for 3 times until no macroscopic particles exist, and then adding the colloid powder;
a4: starting a colloid mill to grind again, and modifying for 1.5 hours at the temperature to obtain primary modified asphalt;
a5: and (3) feeding the primary modified asphalt into a horizontal filling stirring tank, adding filler, cooling to 175 ℃, preserving heat, and uniformly stirring to obtain the composite modified asphalt.
The preparation method of the non-cured layer comprises the following steps:
b1: firstly, adding 70# heavy asphalt into a vertical batching tank, stirring, mixing and heating to 160 ℃;
b2: adding modifier and adhesion promoter, and melting and dispersing at 170deg.C;
b3: adding filler, cooling to 130 ℃, and discharging.
The production line of the waterproof coiled material comprises the following steps: spreading the matrix, coating modified asphalt, coating a non-solidified layer, extruding and forming by a pair of rollers, coating a film, cooling, flattening, rolling and storing.
Example 3:
the heat insulating modified asphalt non-curing waterproof coiled material comprises a heat insulating layer, a first composite modified asphalt layer, a reinforced tire base reinforcing layer, a second composite modified asphalt layer, a non-curing layer and an isolating layer from the upper surface to the lower surface. Wherein the heat insulation layer is a high heat reflection film with the thickness of 0.014 mm; the reinforced matrix reinforcing layer is a reinforced long fiber polyester matrix with the weight of 200 g/square meter; the barrier layer was an ultra-thin polyethylene film 0.008mm thick.
The composite modified asphalt layer comprises the following components in percentage by mass: 50% of 70# heavy-duty asphalt, 9% of plasticizer, 4% of thermoplastic elastomer SBS, 2% of polyolefin, 10% of rubber powder and 25% of filler. Wherein, the penetration of the 70# heavy traffic petroleum asphalt is 60 to 80, the softening point is 44 to 54, and the wax content is less than or equal to 2 percent; the thermoplastic elastomer SBS is a star styrene-butadiene-styrene block copolymer, and the preferable technical parameters are as follows: styrene/butadiene 40/60, average molecular weight about 12 ten thousand; the polyolefin is an amorphous alpha-olefin copolymer, and the preferred technical parameters are: viscosity (190 ℃ C.). 500-70000 cP, penetration (100 g/25 ℃/5 s): 9-110 dmm, softening point: 90-160 ℃; the plasticizer is a mixture of base oil and aromatic hydrocarbon oil with the ratio of 8:2; the rubber powder is 40 mesh shoe edge rubber powder.
The non-cured layer comprises the following components in percentage by mass: 38% of 70# heavy traffic asphalt, 35% of modifier, 2% of adhesion promoter and 25% of filler. Wherein the modifier comprises the following components in percentage by mass: 50% of styrene-butadiene rubber, 30% of styrene-ethylene-propylene-styrene block copolymer and 20% of hydrogenated petroleum resin; the adhesion promoter comprises the following components in percentage by mass: 50% of sulfonated styrene maleic anhydride copolymer and 50% of lignosulfonate; the filler comprises the following components in percentage by mass: 75% of 200-mesh talcum powder and 20% of 400-mesh heavy calcium powder.
The preparation method of the composite modified asphalt layer comprises the following steps:
a1: firstly, adding 70# heavy asphalt and a plasticizer mixture into a vertical material mixing tank, stirring, mixing and heating to 155 ℃;
a2: sequentially and slowly adding thermoplastic elastomer SBS and polyolefin;
a3: heating to 180 ℃, starting a colloid mill to grind for 3 times until no macroscopic particles exist, and adding rubber powder;
a4: starting a colloid mill to grind again, and modifying for 1.2 hours at the temperature to obtain primary modified asphalt;
a5: and (3) feeding the primary modified asphalt into a horizontal filling stirring tank, adding filler, cooling to 172 ℃, preserving heat, and uniformly stirring to obtain the composite modified asphalt.
The preparation method of the non-cured layer comprises the following steps:
b1: firstly, adding 70# heavy asphalt into a vertical batching tank, stirring, mixing and heating to 155 ℃;
b2: adding modifier and adhesion promoter, and melting and dispersing at 165 deg.C;
b3: adding filler, cooling to 125 deg.C, and discharging.
The production line of the waterproof coiled material comprises the following steps: spreading the matrix, coating modified asphalt, coating a non-solidified layer, extruding and forming by a pair of rollers, coating a film, cooling, flattening, rolling and storing.
Comparative example:
in contrast to example 1, there was no thermal barrier layer and no uncured layer, no preparation of a coated uncured layer in the preparation process, and no step of coating a coated uncured layer on the production line.
According to the requirements of GB18242-2008 and JC/T2428 standards, an outdoor material surface temperature test is carried out simultaneously, and the heat insulation modified asphalt non-curing waterproof coiled materials provided in examples 1-3 and part of physical properties of a comparative example are tested, wherein the test results are shown in Table 1.
Table 1 physical Property test of waterproof roll
As can be seen from Table 1, the heat-insulating modified asphalt non-curing waterproof coiled material provided by the invention has various indexes higher than the national standard requirements, and has excellent product stability and good use effect.
The modified asphalt layers of examples 1-3 all had heat resistance up to 110℃ ， The heat resistance of the non-cured layer can reach 90 ℃ and is far higher than the national standard. According to the technical scheme, the thermoplastic elastomer SBS and polyolefin have good modification effect on asphalt, the heat resistance of the composite modified asphalt layer is greatly improved, and the synergistic effect of the modifier of the non-cured layer, the rubber powder and the filler also enables the non-cured layer to achieve excellent heat resistance.
In addition, the low temperature flexibility test results of examples 1-3 showed no cracking at-25 ℃. The outdoor test surface temperature results show that the outdoor surface temperature of the heat-insulating modified asphalt non-curing waterproof coiled material obtained by the technical scheme is only 35 ℃, and compared with 58 ℃ of the traditional waterproof coiled material, the heat-insulating modified asphalt non-curing waterproof coiled material has the advantage that the roof temperature is greatly reduced.
In summary, compared with the comparative example, the heat-insulating modified asphalt non-curing waterproof coiled material obtained by the technical scheme has the advantages of excellent waterproof, heat-resistant, ageing-resistant and low-temperature-resistant performances, no protection layer is needed in construction, convenience in construction, capability of reducing the roof temperature, and effects of prolonging the service life of products and prolonging the service life of buildings.
The above description is only a few preferred embodiments of the present invention, and any person skilled in the art may make modifications to the above described embodiments or make modifications to the same. Therefore, any simple modification or equivalent made according to the technical solution of the present invention falls within the scope of the protection claimed by the present invention.
Claims (10)
1. The utility model provides a thermal-insulated modified asphalt non-curing formula waterproofing membrane which characterized in that: the waterproof coiled material sequentially comprises a heat insulation layer, a first composite modified asphalt layer, a reinforced tire base reinforcing layer, a second composite modified asphalt layer, a non-curing layer and an isolation layer from the upper surface to the lower surface; the composite modified asphalt layer comprises the following components in percentage by mass: 43-52% of 70# heavy-duty asphalt, 5-12% of plasticizer, 2-5% of thermoplastic elastomer SBS, 2-3% of polyolefin, 9-14% of rubber powder and 22-27% of filler; the non-cured layer comprises the following components in mass percent: 35-40% of 70# heavy traffic asphalt, 30-35% of modifier, 2-5% of adhesion promoter and 25-30% of filler.
2. The heat-insulating modified asphalt non-curing waterproof coiled material according to claim 1, wherein: the heat insulation layer is a high heat reflection film and is mainly prepared by coating a polymer film with a mixture of special printing ink and silver powder particles with different particle diameters.
3. The heat-insulating modified asphalt non-curing waterproof coiled material according to claim 1, wherein: the reinforced matrix reinforcing layer is a reinforced long fiber polyester matrix with gram weight of 200 g/square meter.
4. The heat-insulating modified asphalt non-curing waterproof coiled material according to claim 1, wherein: the plasticizer is a mixture of base oil and aromatic oil, the base oil accounts for 80-90% of the plasticizer, and the aromatic oil accounts for 10-20% of the plasticizer.
5. The heat-insulating modified asphalt non-curing waterproof coiled material according to claim 1, wherein: the thermoplastic elastomer SBS is star-shaped styrene-butadiene-styrene block copolymer, and the polyolefin is amorphous alpha-olefin copolymer.
6. The heat-insulating modified asphalt non-curing waterproof coiled material according to claim 1, wherein: the modifier comprises the following components in percentage by mass: 60-80% of rubber and 20-40% of hydrogenated petroleum resin; the rubber comprises one or more of styrene-butadiene rubber, nitrile rubber, styrene-isoprene-styrene segmented copolymer, styrene-ethylene-propylene-styrene segmented copolymer and other various rubbers; the adhesion promoter comprises one or more of sulfonated styrene maleic anhydride copolymer, lignosulfonate and polypropylene resin.
7. The heat-insulating modified asphalt non-curing waterproof coiled material according to claim 1, wherein: the rubber powder is fine shoe edge rubber powder with 40-60 meshes; the filling material comprises the following components in percentage by mass: 55-75% of talcum powder with fineness of more than or equal to 200 meshes and 25-45% of heavy calcium powder with fineness of more than or equal to 400 meshes.
8. The heat-insulating modified asphalt non-curing waterproof coiled material according to claim 1, wherein: the isolation layer is an easily-melted ultrathin polyethylene film with the thickness of 0.006-0.008 mm.
9. The method for preparing the heat-insulating modified asphalt non-curing waterproof coiled material according to claims 1 to 8, which is characterized in that: the composite modified asphalt layer is prepared by the following method:
a1: firstly, adding 70# heavy asphalt and a plasticizer mixture into a vertical material mixing tank, stirring, mixing and heating to 150-160 ℃;
a2: sequentially and slowly adding thermoplastic elastomer SBS and polyolefin;
a3: heating to 170-185 ℃, starting a colloid mill to grind for 2-3 times until no macroscopic particles exist, and adding the colloid powder;
a4: starting a colloid mill to grind again, and modifying for 1-1.5 hours at the temperature to obtain preliminary modified asphalt;
a5: feeding the primary modified asphalt into a horizontal filling stirring tank, adding filler, cooling to 170-175 ℃, and uniformly stirring at a constant temperature to obtain composite modified asphalt;
the non-cured layer is made by the following method:
b1: firstly, adding 70# heavy asphalt into a vertical batching tank, stirring, mixing and heating to 150-160 ℃;
b2: adding modifier and adhesion promoter, and melting and dispersing uniformly at 160-170 ℃;
b3: adding filler, cooling to 120-130 deg.C, and discharging.
10. The heat-insulating modified asphalt non-curing waterproof coiled material production line according to claims 1-9, characterized in that: the production steps of the waterproof coiled material comprise: spreading the matrix, coating modified asphalt, coating a non-solidified layer, extruding and forming by a pair of rollers, coating a film, cooling, flattening, rolling and storing.
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