CN111748295A - Asphalt-based waterproof coiled material and preparation method thereof - Google Patents
Asphalt-based waterproof coiled material and preparation method thereof Download PDFInfo
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- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
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- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
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- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
- C09J7/24—Plastics; Metallised plastics based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/241—Polyolefin, e.g.rubber
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- C09J7/255—Polyesters
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
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Abstract
The invention discloses an asphalt-based waterproof coiled material, which relates to the technical field of waterproof coiled materials and comprises a main body membrane surface layer, an asphalt sizing material layer and an anti-sticking coating, wherein the main body membrane surface layer, the asphalt sizing material layer and the anti-sticking coating are sequentially arranged from bottom to top, and the anti-sticking coating is formed by spraying anti-sticking liquid coating on the asphalt sizing material layer. Through the processing mode and the material composition of improving pitch base waterproofing membrane's antiseized coating, eliminated the dust pollution problem in the antiseized layer production process of traditional pitch base waterproofing membrane, new antiseized coating can directly laminate with the concrete base face when the construction through new material design, has saved and has taken off the membrane operation, has improved the efficiency of construction.
Description
Technical Field
The invention relates to the technical field of waterproof coiled materials, in particular to an asphalt-based waterproof coiled material and a preparation method thereof.
Background
The existing asphalt-based waterproof coiled material comprises a main body membrane surface layer, an asphalt sizing material layer and an anti-sticking coating, wherein the anti-sticking coating is formed by covering a silicone oil isolating membrane and a layer of mineral particle sand on the surface of the asphalt sizing material layer. In the production process of the anti-sticking coating, because mineral particle sand (the particle size is not more than 0.6 mm) is used, dust is easily generated in the production process, so that the environmental pollution is caused, and the health of workers is not facilitated; in addition, the silicone oil barrier film used for the anti-sticking coating needs to be torn off during construction and use so as to facilitate the asphalt-based waterproof coiled material and an action base surface (such as a concrete structure wall surface), but the silicone oil barrier film is difficult to tear off at high temperature in summer, so that the construction difficulty is increased, and the construction period is seriously prolonged.
Disclosure of Invention
The invention aims to provide an asphalt-based waterproof coiled material, which can effectively eliminate dust pollution in the production process of the asphalt-based waterproof coiled material and improve the usability of the asphalt-based waterproof coiled material.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the invention provides an asphalt-based waterproof coiled material which comprises a main body membrane surface layer, an asphalt sizing material layer and an anti-sticking coating, wherein the main body membrane surface layer, the asphalt sizing material layer and the anti-sticking coating are sequentially arranged from bottom to top, and the anti-sticking coating is formed by spraying anti-sticking liquid coating on the asphalt sizing material layer.
The further scheme of the scheme is that the anti-sticking liquid coating comprises emulsion, polyurethane resin, filler, pigment, adhesive, antioxidant and ultraviolet light agent.
In a further aspect of the above embodiment, the emulsion is an aqueous emulsion; the polymerization monomer of the polyurethane resin is Hexamethylene Diisocyanate (HDI) or isophorone diisocyanate (IPDI); the pigment is titanium dioxide or zinc oxide with uvioresistant performance; the filler is one of calcium carbonate, silicon dioxide and magnesium silicate; the adhesive is isocyanate; the antioxidant is a phenolic antioxidant; the anti-ultraviolet agent is a water-based anti-ultraviolet agent.
In a further scheme of the scheme, the aqueous emulsion is acrylic emulsion; the polyurethane resin is isophorone diisocyanate; the pigment is titanium dioxide; the filler is calcium carbonate; the antioxidant is an antioxidant 1010; the ultraviolet resistant agent is an ultraviolet resistant agent 770.
In a further scheme of the scheme, the emulsion is an oily emulsion, and the oily emulsion is one selected from acetone, butanone and ethyl acetate.
In a further aspect of the above aspect, the main body film surface layer is a polyethylene film or the polyethylene terephthalate film is a thermoplastic polyester film.
In a further scheme of the scheme, the asphalt rubber layer is formed by mixing asphalt, rubber oil, tackifying resin, SBS thermoplastic elastomer (styrene butadiene styrene block copolymer) and SBR rubber powder.
On the other hand, the invention also provides a preparation method of the asphalt-based waterproof coiled material, which comprises the following steps:
preparing an asphalt-based sizing material layer, mixing asphalt, rubber oil, tackifying resin, SBS thermoplastic elastomer (styrene butadiene styrene block copolymer) and SBR rubber powder to obtain the asphalt-based sizing material layer;
preparing an anti-sticking coating liquid coating, mixing emulsion, polyurethane resin, filler, pigment, adhesive, antioxidant and ultraviolet light agent to obtain the anti-sticking coating liquid coating;
the method comprises the steps of preparing a coiled material, coating a sizing material of an asphalt-based sizing material layer on the surface of a film facing of a main body, extruding to fix the thickness of the coiled material by a roller, cooling the water bed, drying to obtain a coiled material blank, flattening the coiled material blank, spraying an anti-sticking coating liquid coating on the surface of the asphalt-based sizing material layer, and drying by an oven to form an anti-sticking coating to obtain the asphalt-based waterproof coiled material.
The further scheme of the scheme is that the step of preparing the anti-sticking coating liquid coating further comprises the following steps:
adding the polyurethane resin aqueous solution into a stirring kettle, adding the pigment and the filler under the stirring state, stirring for not less than 30 minutes, adding the antioxidant and the ultraviolet-resistant agent, stirring for not less than 15 minutes, adding the adhesive agent, and continuously stirring for not less than 30 minutes to obtain the anti-sticking coating liquid coating.
The further scheme of the scheme is that the step of sizing the asphalt-based sizing material layer further comprises the following steps:
s1, preheating asphalt, transferring the asphalt and the rubber oil into a reaction kettle through a material transfer pump, and heating to 150-160 ℃ to obtain preheated asphalt;
s2, mixing materials for the first time, namely adding a modifier, an SBS thermoplastic elastomer and SBR rubber powder into preheated asphalt, and uniformly stirring at the temperature of 180-190 ℃ to obtain a first mixed material;
s3, grinding, namely grinding the first mixed material to obtain a grinding material;
and S4, mixing for the second time, namely adding the grinding material into a stirring kettle, adding the filler, uniformly stirring at the temperature of 185 ℃ below zero to obtain a modified asphalt mixed sizing material, and cooling the modified asphalt mixed sizing material to a preset temperature to obtain an asphalt-based sizing material layer sizing material.
Compared with the prior art, the technical scheme provided by the invention has the following advantages and beneficial effects: the invention provides an asphalt-based waterproof coiled material which comprises a main body membrane surface layer, an asphalt sizing material layer and an anti-sticking coating, wherein the main body membrane surface layer, the asphalt sizing material layer and the anti-sticking coating are sequentially arranged from bottom to top, and the anti-sticking coating is formed by spraying anti-sticking liquid coating on the asphalt sizing material layer. Through the processing mode and the material composition of improving pitch base waterproofing membrane's antiseized coating, eliminated the dust pollution problem in the antiseized layer production process of traditional pitch base waterproofing membrane, new antiseized coating can directly laminate with the concrete base face when the construction through new material design, has saved and has taken off the membrane operation, has improved the efficiency of construction.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic view of the structure of an asphalt-based waterproofing membrane in the example.
In the figure: 1-a body membrane facing; 2-asphalt mastic layer; 3-anti-sticking coating.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "horizontal", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "mounted" are to be interpreted broadly, e.g., as being either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Examples
1. Preparation of asphalt mastic layer mastic
The mixture ratio of the asphalt mixture layer is shown in table 1:
TABLE 1 proportion of each component of asphalt mastic layer
S1, preheating 70# asphalt, transferring the 70# asphalt and rubber oil into a reaction kettle through a material transfer pump, and heating to 155 ℃ to obtain preheated asphalt;
s2, mixing for the first time, adding rubber powder, SBS thermoplastic elastomer and SBR rubber powder into preheated asphalt, keeping the temperature at 195 ℃, and stirring for 3.5 hours to obtain a first mixed material;
s3, grinding, namely grinding the first mixed material to obtain a grinding material;
s4, mixing for the second time, namely adding the grinding material into a stirring kettle, adding calcium carbonate, stirring for 1.5 hours at 175 ℃ to obtain a modified asphalt mixed sizing material, and cooling the modified asphalt mixed sizing material to 175 ℃ to obtain an asphalt-based sizing material layer;
2. preparation of anti-sticking liquid coating
The composition ratios of the release coating liquid coatings are shown in table 2:
TABLE 2 proportioning of raw materials for anti-adhesive coating
| Raw materials | Ratio/%) |
| C5 resin (polyurethane resin) | 19 |
| Titanium white powder (pigment) | 18 |
| Calcium carbonate cc60 (Filler) | 10 |
| Antioxidant 1010 | 0.5 |
| Uvioresistant agent 770 | 1.5 |
| Crosslinking agent X-404 | 0.7 |
| Bentonite (adhesive) | 0.3 |
| Emulsion (acrylic emulsion) | 50 |
Adding the emulsion and the polyurethane resin into a stirring kettle, adding titanium dioxide R-930 and calcium carbonate CC60 under stirring at the rotating speed of 2000rpm, and stirring for 30 min; adding antioxidant 1010 and anti-ultraviolet 770, and stirring for 15 min; then adding a cross-linking agent X-404 and bentonite, continuously stirring for 30min, and discharging to obtain a mixture which is the aqueous anti-sticking coating liquid coating;
3. coil preparation
Coating the rubber material of the asphalt-based rubber material layer on the surface of the membrane surface of the main body, extruding and thickening by a pair of rollers, cooling by a water bed, drying to obtain a coiled material blank, flattening the coiled material blank, spraying the anti-sticking coating liquid coating on the surface of the asphalt-based rubber material layer by using a spray gun, keeping the temperature of the asphalt rubber material layer at 150-180 ℃ during spraying, and drying by using a drying oven at 50-60 ℃ to form the anti-sticking coating to obtain the asphalt-based waterproof coiled material.
The asphalt-based waterproof roll was subjected to a weather resistance test, and the test results are shown in table 3:
TABLE 3 weather resistance test data
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The asphalt-based waterproof coiled material is characterized by comprising a main body membrane surface layer, an asphalt sizing material layer and an anti-sticking coating which are sequentially arranged from bottom to top, wherein the anti-sticking coating is formed by spraying anti-sticking liquid coating on the asphalt sizing material layer.
2. The asphalt-based waterproofing membrane according to claim 1, wherein said anti-sticking liquid coating comprises emulsion, urethane resin, filler, pigment, adhesive, antioxidant and ultraviolet agent.
3. The asphalt-based waterproofing membrane according to claim 2, wherein said emulsion is an aqueous emulsion; the polymerization monomer of the polyurethane resin is Hexamethylene Diisocyanate (HDI) or isophorone diisocyanate (IPDI); the pigment is titanium dioxide or zinc oxide with uvioresistant performance; the filler is one of calcium carbonate, silicon dioxide and magnesium silicate; the adhesive is isocyanate; the antioxidant is a phenolic antioxidant; the anti-ultraviolet agent is a water-based anti-ultraviolet agent.
4. The asphalt-based waterproofing membrane according to claim 3, wherein the aqueous emulsion is an acrylic emulsion; the polyurethane resin is isophorone diisocyanate; the pigment is titanium dioxide; the filler is calcium carbonate; the antioxidant is an antioxidant 1010; the ultraviolet resistant agent is an ultraviolet resistant agent 770.
5. The asphalt-based waterproofing membrane according to claim 2, wherein said emulsion is an oily emulsion, and said oily emulsion is one selected from the group consisting of acetone, methyl ethyl ketone, and ethyl acetate.
6. The asphalt-based waterproofing membrane according to claim 1, wherein the main body film surface layer is a polyethylene film or the polyethylene terephthalate is a thermoplastic polyester film.
7. The asphalt-based waterproofing membrane according to claim 1, wherein the asphalt mastic layer is formed by mixing asphalt, rubber oil, tackifying resin, SBS thermoplastic elastomer (styrene butadiene styrene block copolymer) and SBR rubber powder.
8. A method for preparing asphalt-based waterproofing membrane according to any of claims 1 to 7, characterized by comprising the steps of:
preparing an asphalt-based sizing material layer, mixing asphalt, rubber oil, tackifying resin, SBS thermoplastic elastomer (styrene butadiene styrene block copolymer) and SBR rubber powder to obtain the asphalt-based sizing material layer;
preparing an anti-sticking coating liquid coating, namely mixing polyurethane resin, filler, pigment, an adhesive, an antioxidant and an ultraviolet light agent to obtain the anti-sticking coating liquid coating;
the method comprises the steps of preparing a coiled material, coating a sizing material of an asphalt-based sizing material layer on the surface of a film facing of a main body, extruding to fix the thickness of the coiled material by a roller, cooling the water bed, drying to obtain a coiled material blank, flattening the coiled material blank, spraying an anti-sticking coating liquid coating on the surface of the asphalt-based sizing material layer, and drying by an oven to form an anti-sticking coating to obtain the asphalt-based waterproof coiled material.
9. The asphalt-based waterproofing membrane according to claim 8, wherein said step of preparing a release coating liquid coating further comprises the steps of:
adding the emulsion and the polyurethane resin into a stirring kettle, adding the pigment and the filler under the stirring state, stirring for no less than 30 minutes, adding the antioxidant and the ultraviolet-resistant agent, stirring for no less than 15 minutes, adding the adhesive agent, and continuously stirring for no less than 30 minutes to obtain the anti-sticking coating liquid coating.
10. The asphalt-based waterproofing membrane according to claim 8, wherein said asphalt-based mastic layer sizing step further comprises the steps of:
s1, preheating asphalt, transferring the asphalt into a reaction kettle through a transfer pump, and heating to 150 ℃ and 160 ℃ to obtain preheated asphalt;
s2, mixing materials for the first time, namely adding a modifier, an SBS thermoplastic elastomer and SBR rubber powder into preheated asphalt, and uniformly stirring at the temperature of 180-190 ℃ to obtain a first mixed material;
s3, grinding, namely grinding the first mixed material to obtain a grinding material;
and S4, mixing for the second time, namely adding the grinding material into a stirring kettle, adding the filler, uniformly stirring at the temperature of 185 ℃ below zero to obtain a modified asphalt mixed sizing material, and cooling the modified asphalt mixed sizing material to a preset temperature to obtain an asphalt-based sizing material layer sizing material.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113174171A (en) * | 2021-04-19 | 2021-07-27 | 广东能辉新材料科技有限公司 | Anti-sticking composite waterproof coiled material, anti-sticking coating and preparation method thereof |
| WO2023011184A1 (en) * | 2021-08-06 | 2023-02-09 | 江苏凯伦建材股份有限公司 | Coating composition for waterproof composite and waterproof composite containing same |
| WO2024067580A1 (en) * | 2022-09-29 | 2024-04-04 | 深圳市卓宝科技股份有限公司 | Composite reinforcing layer having high bonding strength with asphalt mastic, and preparation method therefor |
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| CN113174171A (en) * | 2021-04-19 | 2021-07-27 | 广东能辉新材料科技有限公司 | Anti-sticking composite waterproof coiled material, anti-sticking coating and preparation method thereof |
| WO2023011184A1 (en) * | 2021-08-06 | 2023-02-09 | 江苏凯伦建材股份有限公司 | Coating composition for waterproof composite and waterproof composite containing same |
| WO2024067580A1 (en) * | 2022-09-29 | 2024-04-04 | 深圳市卓宝科技股份有限公司 | Composite reinforcing layer having high bonding strength with asphalt mastic, and preparation method therefor |
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