CN113388337B - Strong cross laminated film double-sided self-adhesive waterproof roll and preparation method thereof - Google Patents
Strong cross laminated film double-sided self-adhesive waterproof roll and preparation method thereof Download PDFInfo
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- CN113388337B CN113388337B CN202110712518.8A CN202110712518A CN113388337B CN 113388337 B CN113388337 B CN 113388337B CN 202110712518 A CN202110712518 A CN 202110712518A CN 113388337 B CN113388337 B CN 113388337B
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/29—Laminated material
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
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- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
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- C09J153/00—Adhesives based on block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
- C09J153/02—Vinyl aromatic monomers and conjugated dienes
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- C09J195/00—Adhesives based on bituminous materials, e.g. asphalt, tar, pitch
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- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
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- C09J7/00—Adhesives in the form of films or foils
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- C09J7/00—Adhesives in the form of films or foils
- C09J7/40—Adhesives in the form of films or foils characterised by release liners
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- 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
- E02D31/025—Draining membranes, sheets or fabric specially adapted therefor, e.g. with dimples
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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
- E04B1/66—Sealings
- E04B1/665—Sheets or foils impervious to water and water vapor
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- 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
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- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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- C09J2203/00—Applications of adhesives in processes or use of adhesives in the form of films or foils
- C09J2203/346—Applications of adhesives in processes or use of adhesives in the form of films or foils for building applications e.g. wrap foil
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- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
- C09J2301/124—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present on both sides of the carrier, e.g. double-sided adhesive tape
- C09J2301/1242—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present on both sides of the carrier, e.g. double-sided adhesive tape the opposite adhesive layers being different
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- C09J2301/16—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the structure of the carrier layer
- C09J2301/162—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the structure of the carrier layer the carrier being a laminate constituted by plastic layers only
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Abstract
The invention provides a powerful cross laminated film double-sided self-adhesive waterproof roll and a preparation method thereof, the powerful cross laminated film double-sided self-adhesive waterproof roll sequentially comprises an isolation protective layer, a non-asphalt-based self-adhesive layer, a powerful cross laminated film, a modified asphalt self-adhesive layer and a PE isolating film from top to bottom, the isolation protective layer is mullite sand modified by isobutyl triethoxysilane, the granularity of the mullite sand is 40-60 meshes, and the mass ratio of the isobutyl triethoxysilane to the mullite sand is (1-2) to (30-50); the non-asphalt-based self-adhesive is a hot melt adhesive and comprises nano alumina modified by surface dispersion; the strong cross laminated film is formed by cross stacking and hot pressing three layers of high-density polyethylene films which mutually form an included angle of 60 degrees, and the total thickness of the three layers of films is 0.15-0.21 mm; the modified asphalt self-adhesive layer contains hydroxyl active substances, and the weight percentage of the hydroxyl active substances in the modified asphalt self-adhesive layer is 5-8%. The waterproof coiled material provided by the invention has more stable chemical properties and strong bonding property with post-cast concrete in construction.
Description
Technical Field
The invention relates to the technical field of chemical engineering, in particular to a double-sided self-adhesive waterproof roll of a strong cross laminated film and a preparation method thereof.
Background
The waterproof roll is a waterproof material product prepared by impregnating asphalt or polymer waterproof materials on a matrix, and is provided in the form of a roll, and is called as a waterproof roll. The waterproof coiled material is mainly used for building walls, roofs, tunnels, highways, refuse landfills and the like, can be curled into a roll-shaped flexible building material product for resisting external rainwater and underground water leakage, is used as a leakage-free connection between an engineering foundation and a building, is a waterproof first barrier of the whole engineering, and plays a vital role in the whole engineering.
The self-adhesive waterproof coiled material of strong cross laminated film is a high-performance cold-construction non-padding waterproof coiled material. The self-adhesive waterproof coiled material takes synthetic rubber, asphalt, tackifier and anti-aging agent as base materials and anti-adhesive isolation paper/film as an isolation layer, and has the characteristics of tearing resistance, stable size and the like. The prior art has certain disadvantages. Firstly, the single-layer PE film self-adhesive rubber asphalt waterproof coiled material has the defects of poor water seepage resistance, low tensile strength and poor weather resistance, and has the problems of unsynchronized longitudinal and transverse performance indexes, hollowing, wrinkling and the like. Secondly, the prior art mainly adopts the construction mode of external protection and external sticking, and the water channeling layer is easy to appear once the waterproof layer is damaged. And thirdly, after the construction of the waterproof layer is finished, the conditions of trampling, rolling, mud and sand pollution, ultraviolet irradiation and the like of subsequent construction personnel can be met. The main waterproof object of the building is concrete, excessive water except hydration is volatilized in the hydration process of cement, shrinkage and creep of the concrete can cause the concrete to form a little tiny capillary holes or visible small holes, and when a base layer is greatly settled or a main structure is greatly deformed, asphalt sizing materials are likely to be peeled from the main structure to reduce the waterproof effect, so that the hidden danger of water leakage exists.
Disclosure of Invention
In view of the above, the present invention aims to provide a strong cross laminated film double-sided self-adhesive waterproof roll with good weather resistance, durability and weldability, improved properties of fracture strength, fatigue resistance, puncture resistance, self-healing, high and low temperature resistance, stable chemical properties, strong adhesion with post-cast concrete during construction, good ultraviolet resistance and flame retardancy, and a preparation method thereof.
The technical scheme of the invention is as follows:
in a first aspect, the application provides a strong cross laminated film double-sided self-adhesive waterproof coiled material which sequentially comprises an isolation protective layer, a non-asphalt-based self-adhesive layer, a strong cross laminated film, a modified asphalt self-adhesive layer and a PE (polyethylene) isolation film from top to bottom, wherein lap edges are respectively reserved on one side of the upper surface of the coiled material and the other side of the lower surface of the coiled material;
the isolation protective layer is mullite sand modified by isobutyl triethoxysilane, the granularity of the mullite sand is 40-60 meshes, and the mass ratio of the isobutyl triethoxysilane to the mullite sand is (1-2): (30-50);
the non-asphalt-based self-adhesive is a hot melt adhesive and comprises nano alumina subjected to surface dispersion modification;
The strong cross laminated film is formed by cross stacking and hot pressing three layers of high-density polyethylene films which mutually form an included angle of 60 degrees, and the total thickness of the three layers of films is 0.15-0.21 mm;
the modified asphalt self-adhesive layer contains hydroxyl active substances, and the hydroxyl active substances account for 5-8% of the modified asphalt self-adhesive layer by mass.
Preferably, the hydroxyl active substance comprises at least one of nano silicon dioxide, hydroxymethyl cellulose, hydroxyethyl cellulose and hydroxypropyl cellulose.
Preferably, the hydroxyl active substance comprises nano silicon dioxide and hydroxyethyl cellulose, and the mass part ratio of the nano silicon dioxide to the hydroxyethyl cellulose is (5-9): (0.8-1.4).
Preferably, the non-asphalt-based self-adhesive comprises the following components in parts by mass: 12-18 parts of SIS thermoplastic rubber, 20-26 parts of SBS thermoplastic rubber, 10-14 parts of surface dispersion modified nano alumina, 14-18 parts of tackifier, 0.3-0.7 part of plasticizer and 0.2-0.5 part of ultraviolet resistant auxiliary agent.
Preferably, the modified asphalt self-adhesive layer comprises the following components in parts by mass: 10-15 parts of 10# asphalt, 22-26 parts of 100# asphalt, 18-24 parts of 70# asphalt, 16-22 parts of SBS thermoplastic rubber, 12-16 parts of rubber operating oil, 10-18 parts of softening oil, 6.0-6.6 parts of nano silicon dioxide and 0.8-1.2 parts of hydroxyethyl cellulose.
Preferably, the tackifier is at least one of terpene resin, rosin resin, petroleum resin, oil-soluble phenolic resin, rosin glyceride, rosin pentaerythritol ester and terpene phenolic resin.
Preferably, the plasticizer is an environment-friendly and non-toxic product CCP CIZER D-810.
Preferably, the ultraviolet resistance auxiliary agent is at least one of zinc oxide and cerium oxide, and when the ultraviolet resistance agent comprises the zinc oxide and the cerium oxide, the mass ratio of the zinc oxide to the cerium oxide is (3.2-4.2) to (5.8-6.8).
Preferably, the softening oil is at least one of naphthenic oil and paraffinic oil.
In a second aspect, the present application provides a method for preparing a roll of a strong cross-laminated film double-sided self-adhesive waterproofing material as described in any one of the above, said method comprising the following steps:
(1) heating mullite sand at 105 ℃ for 2.5h, adding isobutyltriethoxysilane in a set proportion into a mixer for modification, wherein the modification temperature is 120 ℃, the modification time is 50min, and cooling to obtain isobutyltriethoxysilane-modified mullite sand;
(2) measuring SIS thermoplastic rubber, SBS thermoplastic rubber, tackifier, plasticizer and ultraviolet resistant auxiliary agent according to a set proportion, adding into a stirring tank, heating and stirring, adding surface dispersion modified nano alumina after melting uniformly, and continuously stirring to prepare non-asphalt-based self-adhesive;
(3) Weighing and metering 10# asphalt, 100# asphalt, 70# asphalt, rubber operating oil and softening oil according to a set proportion, adding the weighed materials into a mixing tank, stirring and dehydrating at the temperature of 140 ℃ for 10min, then heating to the temperature of 180 ℃ and 185 ℃, adding SBS thermoplastic rubber for melting for 40-60min, then adding nano silicon dioxide and pre-dissolved hydroxyethyl cellulose, and uniformly stirring to obtain a modified asphalt self-adhesive layer;
(4) gluing the double surfaces of the strong cross laminated film while compounding the isolating film by using a double-roll forming machine, wherein the gluing temperature is 145 +/-5 ℃;
(5) uniformly coating isobutyl triethoxy silane modified mullite sand on one surface of the non-asphalt-based self-adhesive layer, which is far away from the strong cross laminated film, so as to prevent glue exposure;
(6) shaping, cooling, rolling and plastic packaging.
The beneficial effects of the invention include:
firstly, mullite sand subjected to high-temperature treatment is used as a material, white siliceous sand grains are used for blocking and reflecting ultraviolet rays, radiation of the mullite sand grains to the surface of self-adhesive glue is blocked, the surface viscosity of the mullite sand is kept, the cohesiveness of the mullite sand and cement concrete is not influenced, and people can stand on the mullite sand after the mullite sand is paved. Meanwhile, after the mullite sand is modified, the small molecular structure of the isobutyl triethoxy silane can penetrate through the cementitious surface and penetrate into the concrete to chemically react with air exposed in an acidic or alkaline environment and water molecules in the substrate to form a water repellent treatment layer, so that water is inhibited from entering the substrate, and the mullite sand has waterproof, Cl-proof and ultraviolet-resistant performances and has air permeability. Can effectively prevent the base material from corroding, loosening, stripping and mildewing the concrete and the internal steel bar structure due to the corrosion of water seepage, sunshine, acid rain and the like, thereby prolonging the service life of the building. The protected substrate has good water repellency and retains its original appearance. An alkaline environment, such as concrete soon as it is poured, stimulates this reaction and accelerates the formation of a water repellent layer.
Secondly, the self-adhesive waterproof roll with the strong cross laminated film provided by the invention selects the strong cross laminated film, and adopts a mode of laminating, hot-pressing and compounding three layers of high-density polyethylene films with an included angle of 60 degrees. Compared with the preparation method of the prior art, the preparation method has the advantages that the molecular stretching directions of the three layers of high-density polyethylene films form an angle of 60 degrees with each other, and the stress directions form a triangular structure, so that the strong cross laminated film self-adhesive waterproof roll prepared by the invention has excellent tensile property in all directions, has better adaptability to use environments, and is particularly suitable for positions such as internal and external corners.
And thirdly, adding a hydroxyl active substance in a proper proportion into the modified asphalt-based adhesive film. Hydroxyethyl cellulose plays the effect of tackification, dilatation, plastification, promotes waterproofing membrane's creep nature and self-healing nature greatly, has good parcel effect to sharp-pointed object, meets tiny destruction and crack in the construction, but automatic shutoff healing. Meanwhile, active hydroxyl contained in the hydroxyethyl cellulose and the nano silicon dioxide can be chemically reacted with cement in the curing process to form chemical bonding force, the waterproof roll and the post-cast concrete are chemically cross-linked and physically mortise and tenon, and the waterproof roll and the post-cast concrete are tightly combined together to form a skin type waterproof layer, so that high-strength and permanent bonding is achieved, and water channeling can be completely prevented. Meanwhile, experiments show that the two can achieve the most excellent effect by being compounded and used according to a certain proportion.
And fourthly, nano alumina modified by surface dispersion is added into the non-asphalt-based self-adhesive, and the alumina can be uniformly dispersed in the adhesive. The nano-alumina has extremely high strength and good toughness, and the product has higher activity in the cement hydration reaction, so that the performance of concrete can be effectively enhanced, and the adhesion of self-adhesive and post-cast concrete can be effectively enhanced. Meanwhile, the aluminum oxide has better flame retardance and can improve the flammability of the high-density polyethylene cross laminated film layer to a certain extent.
Drawings
FIG. 1 is a schematic illustration of one construction of the coil of the present invention;
in the figure: the waterproof roll comprises a strong cross laminated film double-sided self-adhesive waterproof roll 1, an isolation protective layer 10, a non-asphalt-based self-adhesive layer 20, a strong cross laminated film 30, a modified asphalt self-adhesive layer 40, a PE isolation film 50 and a lap joint edge 60
Detailed Description
The present invention will be further described with reference to the following embodiments.
Example 1
The utility model provides a two-sided self-adhered waterproofing membrane of powerful cross laminated film, includes isolation protective layer, non-pitch base self-adhesive layer, powerful cross laminated film, modified asphalt self-adhesive layer and PE barrier film from last to down in proper order, leaves the overlap edge on coiled material one side, also leaves the overlap edge on coiled material lower surface opposite side. The isolation protective layer is mullite modified by isobutyl triethoxysilane, the granularity of the mullite sand is 40-60 meshes, and the mass ratio of the isobutyl triethoxysilane to the mullite sand is 1.5: 40;
The powerful cross laminated film is formed by overlapping and compounding three layers of high-density polyethylene films in a cross mode and hot pressing mode, the three layers of high-density polyethylene films mutually form an included angle of 60 degrees, and the total thickness of the three layers of films is 0.18 mm.
The non-asphalt-based self-adhesive comprises the following components in parts by mass: 15 parts of SIS thermoplastic rubber, 23 parts of SBS thermoplastic rubber, 12 parts of surface dispersion modified nano-alumina, 16 parts of tackifier, 0.5 part of plasticizer and 0.4 part of ultraviolet resistant auxiliary agent. The tackifier is terpene resin, rosin resin, petroleum resin, oil-soluble phenolic resin, rosin glyceride and rosin pentaerythritol ester which are compounded according to any proportion. The plasticizer is an environment-friendly and non-toxic product CCP CIZER D-810. The ultraviolet-resistant agent comprises zinc oxide and cerium oxide, and the mass ratio of the zinc oxide to the cerium oxide is 3.2: 6.3.
The modified asphalt self-adhesive layer comprises the following components in parts by mass: 13 parts of 10# asphalt, 25 parts of 100# asphalt, 22 parts of 70# asphalt, 20 parts of SBS thermoplastic rubber, 14 parts of rubber operating oil, 15 parts of softening oil, 6.3 parts of nano silicon dioxide and 1.1 parts of hydroxyethyl cellulose. The softening oil is naphthenic oil.
In order to obtain the strong cross laminated film double-sided self-adhesive waterproof roll, the preparation method comprises the following steps:
1) Heating mullite sand at 105 ℃ for 2.5h, adding isobutyl triethoxysilane into a mixer for modification, wherein the modification temperature is 120 ℃, the modification time is 50min, and cooling to obtain isobutyl triethoxysilane-modified mullite sand;
2) weighing and metering SIS thermoplastic rubber, SBS thermoplastic rubber, tackifier, plasticizer and ultraviolet resistant auxiliary agent, adding into a stirring tank, heating and stirring, adding surface dispersion modified nano alumina after melting uniformly, and continuously stirring to prepare non-asphalt-based self-adhesive;
3) weighing and metering 10# asphalt, 100# asphalt, 70# asphalt, rubber operating oil and softening oil, adding the weighed materials into a mixing tank, stirring and dehydrating at 140 ℃ for 10min, heating to 185 ℃ at 180 ℃, adding SBS thermoplastic rubber for melting for 40-60min, adding nano silicon dioxide and pre-dissolved hydroxyethyl cellulose, and stirring uniformly to obtain the self-adhesive layer of the modified asphalt.
4) And gluing the double surfaces of the strong cross laminated film while compounding the isolating film by using a double-roll forming machine, wherein the gluing temperature is 145 +/-5 ℃.
5) And evenly spreading isobutyl triethoxy silane modified mullite sand on the surface of the non-asphalt-based self-adhesive layer, which is far away from the strong cross laminated film, without exposing glue.
6) Shaping, cooling, rolling and plastic packaging.
Example 2
The utility model provides a two-sided self-adhered waterproofing membrane of powerful cross laminated film, includes isolation protective layer, non-pitch base self-adhesive layer, powerful cross laminated film, modified asphalt self-adhesive layer and PE barrier film from last to down in proper order, leaves the overlap edge on coiled material one side, also leaves the overlap edge on coiled material lower surface opposite side. The isolation protective layer is mullite sand modified by isobutyl triethoxysilane, the granularity of the mullite sand is 40-60 meshes, and the mass ratio of the isobutyl triethoxysilane to the mullite sand is 2: 40;
the powerful cross laminated film is formed by the crossed, overlapped, compounded and hot-pressed three layers of high-density polyethylene films, the three layers of high-density polyethylene films mutually form an included angle of 60 degrees, and the total thickness of the three layers of films is 0.20 mm.
The non-asphalt-based self-adhesive comprises the following components in parts by mass: 18 parts of SIS thermoplastic rubber, 25 parts of SBS thermoplastic rubber, 10 parts of surface dispersion modified nano-alumina, 15 parts of tackifier, 0.7 part of plasticizer and 0.2 part of ultraviolet resistant auxiliary agent. The tackifier is terpene resin, rosin resin, petroleum resin, oil-soluble phenolic resin, rosin glyceride and rosin pentaerythritol ester which are compounded according to any proportion. The plasticizer is an environment-friendly and non-toxic product CCP CIZER D-810. The ultraviolet-resistant agent comprises zinc oxide and cerium oxide, and the mass ratio of the zinc oxide to the cerium oxide is 3.8: 6.0.
The modified asphalt self-adhesive layer comprises the following components in parts by mass: 15 parts of 10# asphalt, 22 parts of 100# asphalt, 24 parts of 70# asphalt, 22 parts of SBS thermoplastic rubber, 12 parts of rubber operating oil, 17 parts of softening oil, 6.5 parts of nano silicon dioxide and 1.2 parts of hydroxyethyl cellulose. The softening oil is paraffin oil.
The preparation method is the same as example 1.
Example 3
The utility model provides a two-sided self-adhered waterproofing membrane of powerful cross laminated film, includes isolation protective layer, non-pitch base self-adhesive layer, powerful cross laminated film, modified asphalt self-adhesive layer and PE barrier film from last to down in proper order, leaves the overlap edge on coiled material one side, also leaves the overlap edge on coiled material lower surface opposite side. The isolation protective layer is mullite sand modified by isobutyl triethoxysilane, the granularity of the mullite sand is 40-60 meshes, and the mass ratio of the isobutyl triethoxysilane to the mullite sand is 1: 50;
the powerful cross laminated film is formed by the crossed, overlapped, compounded and hot-pressed three layers of high-density polyethylene films, the three layers of high-density polyethylene films mutually form an included angle of 60 degrees, and the total thickness of the three layers of films is 0.15 mm.
The non-asphalt-based self-adhesive comprises the following components in parts by mass: 13 parts of SIS thermoplastic rubber, 26 parts of SBS thermoplastic rubber, 14 parts of surface dispersion modified nano-alumina, 18 parts of tackifier, 0.3 part of plasticizer and 0.5 part of ultraviolet resistant auxiliary agent. The tackifier is terpene resin, rosin resin, petroleum resin, oil-soluble phenolic resin, rosin glyceride and rosin pentaerythritol ester which are compounded according to any proportion. The plasticizer is an environment-friendly and non-toxic product CCP CIZER D-810. The ultraviolet-resistant agent comprises zinc oxide and cerium oxide, and the mass ratio of the zinc oxide to the cerium oxide is 4.0: 5.6.
The modified asphalt self-adhesive layer comprises the following components in parts by mass: 10 parts of 10# asphalt, 26 parts of 100# asphalt, 18 parts of 70# asphalt, 22 parts of SBS thermoplastic rubber, 16 parts of rubber operating oil, 12 parts of softening oil, 6.3 parts of nano silicon dioxide and 1.0 part of hydroxyethyl cellulose. The softening oil is naphthenic oil.
The preparation method is the same as example 1.
Example 4
The utility model provides a two-sided self-adhered waterproofing membrane of powerful cross laminated film, includes isolation protective layer, non-pitch base self-adhesive layer, powerful cross laminated film, modified asphalt self-adhesive layer and PE barrier film from last to down in proper order, leaves the overlap edge on coiled material one side, also leaves the overlap edge on coiled material lower surface opposite side.
The components of the self-adhesive layer of the modified asphalt do not contain nano silicon dioxide, and the formula, the proportion and the preparation method of other components are the same as those of the example 1.
Example 5
The utility model provides a two-sided self-adhered waterproofing membrane of powerful cross laminated film, includes isolation protective layer, non-pitch base self-adhesive layer, powerful cross laminated film, modified asphalt self-adhesive layer and PE barrier film from last to down in proper order, leaves the overlap edge on coiled material one side, also leaves the overlap edge on coiled material lower surface opposite side.
The components of the self-adhesive layer of the modified asphalt do not contain hydroxyethyl cellulose, and the formula, the proportion and the preparation method of other components are the same as those of the example 1.
Example 6
The utility model provides a two-sided self-adhered waterproofing membrane of powerful cross laminated film, includes isolation protective layer, non-pitch base self-adhesive layer, powerful cross laminated film, modified asphalt self-adhesive layer and PE barrier film from last to down in proper order, leaves the overlap edge on coiled material one side, also leaves the overlap edge on coiled material lower surface opposite side.
In the components of the modified asphalt self-adhesive layer, the mass fraction of the hydroxyethyl cellulose is 3 parts, and the formula, the proportion and the preparation method of other components are the same as those in example 1.
Example 7
The utility model provides a two-sided self-adhered waterproofing membrane of powerful cross laminated film, includes isolation protective layer, non-pitch base self-adhesive layer, powerful cross laminated film, modified asphalt self-adhesive layer and PE barrier film from last to down in proper order, leaves the overlap edge on coiled material one side, also leaves the overlap edge on coiled material lower surface opposite side.
The non-asphalt-based self-adhesive is not added with surface dispersion modified nano alumina, and the formula, the proportion and the preparation method of other components are the same as those in the example 1. Compared with example 7, the peel strength of the non-asphalt-based self-adhesive layer and post-cast concrete is improved by 20 percent in example 1.
Example 8
The utility model provides a two-sided self-adhered waterproofing membrane of powerful cross laminated film, includes isolation protective layer, non-pitch base self-adhesive layer, powerful cross laminated film, modified asphalt self-adhesive layer and PE barrier film from last to down in proper order, leaves the overlap edge on coiled material one side, also leaves the overlap edge on coiled material lower surface opposite side.
The molesate in the isolation protective layer is not modified by isobutyl triethoxysilane, and the formula, the proportion and the preparation method of other components are the same as those in example 1. Compared with the example 8, the peel strength of the non-asphalt-based self-adhesive layer and the post-cast concrete is improved by 22%, which shows that the molela which is not modified by the application is arranged in the isolation protective layer, so that the adhesiveness of the non-asphalt-based self-adhesive layer is reduced, and the peel strength of the non-asphalt-based self-adhesive layer and the post-cast concrete is reduced.
Example 9
The utility model provides a two-sided self-adhered waterproofing membrane of powerful cross laminated film, includes isolation protective layer, non-pitch base self-adhesive layer, powerful cross laminated film, modified asphalt self-adhesive layer and PE barrier film from last to down in proper order, leaves the overlap edge on coiled material one side, also leaves the overlap edge on coiled material lower surface opposite side.
The mass ratio of the isobutyl triethoxy silane to the molesate in the isolation protection layer is as follows: the mass ratio of the isobutyl triethoxy silane to the mullite sand is 0.8:50, and the formula, the proportion and the preparation method of other components are the same as those of the example 1. Compared with example 9, the peel strength of the non-asphalt-based self-adhesive layer and the post-cast concrete is improved by 20% in example 1, which shows that the peel strength of the non-asphalt-based self-adhesive layer and the post-cast concrete can be obviously improved by the mass ratio in example 1.
Example 10
The utility model provides a two-sided self-adhered waterproofing membrane of powerful cross laminated film, includes isolation protective layer, non-pitch base self-adhesive layer, powerful cross laminated film, modified asphalt self-adhesive layer and PE barrier film from last to down in proper order, leaves the overlap edge on coiled material one side, also leaves the overlap edge on coiled material lower surface opposite side.
The non-asphalt based self-adhesive is otherwise the same as example 1 without the addition of zinc oxide and cerium oxide. The non-asphalt-based self-adhesive layers prepared in example 1 and example 10 were subjected to an ultraviolet resistance function test, and an accelerated weather resistance test was performed on the materials using a UV ultraviolet aging test chamber to simulate ultraviolet radiation and condensation in natural sunlight to obtain a result of weather resistance of the materials. The method simulates the product material which is placed outdoors for a long time to see whether the product has the phenomena of fading, color change, brightness reduction, pulverization, cracking, blurring, embrittlement, strength reduction, oxidation and the like. Through a 1000-hour ultraviolet irradiation test, the non-asphalt-based self-adhesive film prepared in the embodiment has obvious discoloration and embrittlement phenomena and cracks, while the non-asphalt-based self-adhesive film prepared in the embodiment 1 has no obvious change.
The performance indexes of example 1, the adhesive performance and the tensile performance of examples 1-6 were tested according to the relevant national standard "Pre-spread Wet-spread waterproof coiled Material (GB/T23457-2017)", and the relevant data are shown in tables 1 and 2.
Table 1 table of test results of products prepared in example 1
TABLE 2 product adhesion and tensile Properties
As can be seen from the test data of the above examples, the strong cross laminated film double-sided self-adhesive waterproof roll prepared by the invention has excellent cohesiveness, tensile property, heat resistance and low temperature resistance of cement mortar or post-cast concrete.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (5)
1. A powerful cross laminated film double-sided self-adhesive waterproof roll is characterized by sequentially comprising an isolation protective layer, a non-asphalt-based self-adhesive layer, a powerful cross laminated film, a modified asphalt self-adhesive layer and a PE (polyethylene) isolation film from top to bottom, wherein lap edges are respectively reserved on one side of the upper surface of the roll and the other side of the lower surface of the roll;
the isolation protective layer is mullite sand modified by isobutyl triethoxysilane, the granularity of the mullite sand is 40-60 meshes, and the mass ratio of the isobutyl triethoxysilane to the mullite sand is (1-2): (30-50);
The non-asphalt-based self-adhesive layer is a hot melt adhesive and comprises nano alumina modified by surface dispersion;
the strong cross laminated film is formed by cross stacking and hot pressing three layers of high-density polyethylene films which mutually form an included angle of 60 degrees, and the total thickness of the three layers of films is 0.15-0.21 mm;
the modified asphalt self-adhesive layer comprises the following components in parts by mass: 10-15 parts of 10# asphalt, 22-26 parts of 100# asphalt, 18-24 parts of 70# asphalt, 16-22 parts of SBS thermoplastic rubber, 12-16 parts of rubber operating oil, 10-18 parts of softening oil, 6.0-6.6 parts of nano silicon dioxide and 0.8-1.2 parts of hydroxyethyl cellulose;
the non-asphalt-based self-adhesive layer comprises the following components in parts by mass: 12-18 parts of SIS thermoplastic rubber, 20-26 parts of SBS thermoplastic rubber, 10-14 parts of surface dispersion modified nano alumina, 14-18 parts of tackifier, 0.3-0.7 part of plasticizer and 0.2-0.5 part of ultraviolet resistant auxiliary agent;
the ultraviolet-resistant auxiliary agent comprises zinc oxide and cerium oxide, wherein the mass ratio of the zinc oxide to the cerium oxide is (3.2-4.2) to (5.8-6.8).
2. A strong cross-laminated film double-sided self-adhesive waterproofing roll according to claim 1, wherein said tackifier is at least one of terpene resin, rosin resin, petroleum resin, oil-soluble phenol resin, rosin glyceride, rosin pentaerythritol ester, terpene phenol resin.
3. The power cross-laminated film double-sided self-adhesive waterproofing roll according to claim 1, wherein said plasticizer is CCP CIZER D-810, an environmentally friendly and non-toxic product.
4. The strong cross laminated film double sided self adhesive waterproofing roll according to claim 1, wherein the softening oil is at least one of naphthenic oil and paraffinic oil.
5. A method of manufacturing a roll of a power cross-laminated film, double-sided self-adhesive waterproofing membrane according to any of claims 1 to 4, characterized in that it comprises the following steps: (1) heating mullite sand at 105 ℃ for 2.5h, adding isobutyltriethoxysilane in a set proportion into a mixer for modification, wherein the modification temperature is 120 ℃, the modification time is 50min, and cooling to obtain isobutyltriethoxysilane-modified mullite sand;
(2) measuring SIS thermoplastic rubber, SBS thermoplastic rubber, tackifier, plasticizer and ultraviolet resistant auxiliary agent according to a set proportion, adding into a stirring tank, heating and stirring, adding surface dispersion modified nano alumina after melting uniformly, and continuously stirring to prepare non-asphalt-based self-adhesive;
(3) weighing and metering 10# asphalt, 100# asphalt, 70# asphalt, rubber operating oil and softening oil according to a set proportion, adding the weighed materials into a mixing tank, stirring and dehydrating at the temperature of 140 ℃ for 10min, then heating to the temperature of 180 ℃ and 185 ℃, adding SBS thermoplastic rubber for melting for 40-60min, then adding nano silicon dioxide and pre-dissolved hydroxyethyl cellulose, and uniformly stirring to obtain a modified asphalt self-adhesive layer;
(4) Gluing the double surfaces of the strong cross laminated film while compounding the isolating film by using a double-roll forming machine, wherein the gluing temperature is 145 +/-5 ℃;
(5) uniformly coating isobutyl triethoxy silane modified mullite sand on one surface of the non-asphalt-based self-adhesive layer, which is far away from the strong cross laminated film, so as to prevent glue exposure;
(6) shaping, cooling, rolling and plastic packaging.
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| CN111805994A (en) * | 2020-07-28 | 2020-10-23 | 天津卓宝科技有限公司 | Super-strong cross laminated film self-adhesive waterproof coiled material and preparation process thereof |
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| CN104057668B (en) * | 2014-06-11 | 2016-08-17 | 胜利油田大明新型建筑防水材料有限责任公司 | There is the preparation method of the self-adhesive modified asphalt waterproof rolling material of cement reactivity |
| CN205272735U (en) * | 2015-12-25 | 2016-06-01 | 江西玉龙防水技术股份有限公司 | Powerful alternately press mold self -adhered waterproofing membrane |
| CN105500800A (en) * | 2016-01-20 | 2016-04-20 | 盘锦亿丰防水材料有限公司 | High temperature resistance self-adhesion 3D (Three Dimensional) multi-color waterproof roll and preparation method thereof |
| CN107603519B (en) * | 2017-09-12 | 2020-09-22 | 北京东方雨虹防水技术股份有限公司 | Butyl rubber reaction bonding layer for pre-paved reaction bonding waterproof coiled material, preparation method thereof and pre-paved reaction bonding waterproof coiled material |
| CN112852359B (en) * | 2020-12-29 | 2022-09-23 | 江苏雨中情防水材料有限责任公司 | High-water-resistance soaking non-asphalt-based pre-paved waterproof coiled material and preparation method thereof |
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