CN109878178B - Composite board of waterproof material and metal and preparation method thereof - Google Patents
Composite board of waterproof material and metal and preparation method thereof Download PDFInfo
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- CN109878178B CN109878178B CN201910046930.3A CN201910046930A CN109878178B CN 109878178 B CN109878178 B CN 109878178B CN 201910046930 A CN201910046930 A CN 201910046930A CN 109878178 B CN109878178 B CN 109878178B
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Abstract
The invention relates to a composite board of a waterproof material and metal, which comprises a waterproof base layer and a metal layer provided with a surface coating, wherein a bonding layer for bonding the metal layer provided with the surface coating and the waterproof base layer is arranged between the waterproof base layer and the metal layer provided with the surface coating, a protective film is arranged at the lower part of the waterproof base layer, and the surface coating is arranged at the upper part of the metal layer provided with the surface coating. The beneficial effects are as follows: the bonding layer is arranged between the waterproof base layer and the metal layer provided with the surface coating, so that the metal layer provided with the surface coating is firmly combined with the waterproof base layer; the method can solve the problems of difficult installation of ceramic tiles and cement tiles and heavy roof load; the problems of low safety and easy aging of the asphalt shingle can be solved; meanwhile, the problem of single color of ceramic tiles, cement tiles and asphalt tiles can be solved; and can also make the product that this application provided not only have very strong wind resistance to be applicable to super high-rise building, still have fine flexibility, in order to be applicable to the building that contains special-shaped roofing.
Description
Technical Field
The invention relates to the technical field of building materials, in particular to a composite board of a waterproof material and metal and a preparation method thereof.
Background
The urban and rural buildings in China develop rapidly, and the area of the house buildings built every year in China reaches 16-19 hundred million meters2The existing building area in urban and rural areas in China exceeds 360 hundred million m2Wherein the building energy-saving standard is only 1.4 hundred million m2The building energy consumption accounts for 27.8 percent of the total energy consumption of China, so the building energy conservation has necessity for the building development of China.
The traditional roof tile is usually made of pottery clay, and the roof tile made of pottery clay only has a decoration effect, so that the color is monotonous, and the installation and laying construction of the roof tile on the roof are more complicated, and the construction period is longer; the performance of the cement roof tile in the waterproof aspect can not meet the requirements of the building industry; the asphalt shingle has low safety and serious aging; the color steel plate composite plate has a monotonous style; because the domestic coating variety and quality can not completely meet the requirements, the imported coating cost is too high, and at present, a composite board with thick coating, good functionality, high strength and rich colors is lacking. Therefore, it is necessary to develop a composite board of metal and waterproof material for building roofs, which has thick coating, good functionality, high strength and rich colors.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a composite board of a waterproof material and metal.
The invention relates to a composite board of waterproof material and metal, which adopts the technical scheme that:
the utility model provides a composite board of waterproof material and metal which characterized in that, includes waterproof basic unit and the metal level that is provided with surface coating, be provided with between waterproof basic unit and the metal level that is provided with surface coating and be used for bonding the metal level that is provided with surface coating and waterproof basic unit's adhesive linkage, waterproof basic unit's lower part is provided with the protection film.
The invention provides a composite board of a waterproof material and metal, which also comprises the following auxiliary technical scheme:
wherein, at the notch of the composite board of the waterproof material and the metal, a turned-over edge which is turned over downwards is arranged on the metal layer provided with the surface coating; at the front end of the composite board of the waterproof material and the metal, the metal layer provided with the surface coating is provided with a covered edge which is firstly turned downwards and then turned inwards.
Wherein the bonding layer is made of a high polymer bonding material with low-temperature flexibility of-30 ℃.
The high-molecular bonding material comprises 45-48 parts of high-quality No. 90 petroleum asphalt, 5-8 parts of saturated styrene block copolymer, 2-4 parts of rubber powder, 45-48 parts of stone powder, 3-5 parts of trilinear oil, 0.1-0.3 part of anti-aging agent, 1-2 parts of vulcanizing agent and 0.1-0.2 part of light stabilizer. The waterproof base layer comprises 20-32 parts of No. 10 oxidized asphalt, 6-18 parts of No. 70 road asphalt, 13-30 parts of cement powder, 35-40 parts of fly ash, 1-3 parts of PP (polypropylene) particles, 1-1.5 parts of rubber powder, 0.1-0.5 part of anti-aging agent, 0.5-2 parts of compatilizer and 0.01-0.05 part of zinc chloride. The cement powder is obtained from cement powder in urban building garbage, the fly ash is obtained from industrial waste, the PP particles are obtained from recycled plastic particles, and the rubber powder is obtained from recycled tire powder zinc chloride.
The compatilizer is trilinear oil, the anti-aging agent is an anti-aging agent MBZ, and the light stabilizer is a salicylate ultraviolet absorbent.
The surface coating is a fluorocarbon coating or a polyester resin coating, and the metal layer provided with the surface coating is made of an aluminum-manganese composite material.
Wherein, the upper part of the metal layer provided with the surface coating is provided with a transparent finish coat, and the lower part of the metal layer provided with the surface coating is provided with a bottom coating.
The invention also provides a preparation method of the composite board of the waterproof material and the metal, which is characterized by comprising the following steps of preparing a coating material and preparing the composite board of the waterproof material and the metal:
(1) the preparation of the coating material comprises the following steps:
(1.1) mixing the 10# oxidized asphalt and the 70# road asphalt, and heating to 240-260 ℃;
(1.2) removing water and impurities from the mixture treated in the step (1.1), and then transferring the mixture into a stirring tank;
(1.3) heating the mixture in the stirring tank to 190-240 ℃, and adding a compatilizer;
(1.4) stirring the mixture treated in the step (1.3) for 20min, and adding an anti-aging agent, PP particles and rubber powder;
(1.5) stirring the mixture treated in the step (1.4) for 20min, and adding cement powder and fly ash for 1 h;
(1.6) adding zinc chloride into the mixture treated in the step (1.5), and stirring for 2 hours to serve as a coating material for standby;
(2) the preparation of the composite board of the waterproof material and the metal comprises the following steps:
(2.1) unreeling the lower layer glass fiber tire, drying, pre-dipping with 200# asphalt, coating the coating material prepared in the step (1), then coating a protective film on the lower surface of the lower layer glass fiber tire, and cooling;
(2.2) after unreeling and drying the upper layer glass fiber tire, dip-coating an adhesive material;
(2.3) compounding the upper-layer glass fiber tire treated in the step (2.2) with the lower-layer glass fiber tire treated in the step (2.1) to form a waterproof base layer;
(2.4) coating metal and an isolating membrane with a surface coating on the waterproof base layer treated in the step (2.3) under the conditions that the pressure is greater than 20MPa and the temperature is 140-180 ℃;
and (2.5) carrying out extrusion forming on the product treated in the step (2.4), cutting, and keeping the pressure for 4-8h under the condition that the pressure is 10MPa to form the composite board of the waterproof material and the metal.
The implementation of the invention comprises the following technical effects:
the composite board of the waterproof material and the metal provided by the invention is of a double-tire base structure, and the bonding layer is arranged between the waterproof base layer and the metal layer provided with the surface coating, so that the metal layer provided with the surface coating is firmly combined with the waterproof base layer; the surface coating is arranged to play a role in protecting the metal layer provided with the surface coating and decorating; the metal layer provided with the surface coating is provided with the flanging used for wrapping the waterproof base layer, so that the waterproof material is prevented from being directly exposed to sunlight and rainwater to accelerate the aging of the waterproof material. Therefore, the composite board of the waterproof material and the metal can solve the problems of difficult installation of ceramic tiles and cement tiles and heavy roof load; the problems of low safety and easy aging of the asphalt shingle can be solved; meanwhile, the problem of single color of ceramic tiles, cement tiles and asphalt tiles can be solved; moreover, the composite board of the waterproof material and the metal can be used as roof tiles or wall decoration, can be waterproof, can provide a plurality of color choices for users, has strong wind resistance, and can be suitable for high-rise and super high-rise buildings; the transparent finish paint is arranged on the upper part of the surface coating to resist ultraviolet rays so as to protect the surface coating, so that the composite board has longer service life; the bottom surface coating is arranged at the lower part of the surface coating, so that the metal layer provided with the surface coating is protected, and the surface coating is prevented from peeling off; the asphalt material produced by adding the filling material and the modified material into the building petroleum asphalt has stronger stiffness and higher high temperature resistance-no flow at 110 ℃ so as to play the role of water resistance and a framework, thereby leading the roof tile to have the characteristic of stiffness.
Drawings
Fig. 1 is a schematic structural view of an embodiment of a composite board of a waterproof material and a metal according to the present invention.
Fig. 2 is a schematic structural view of another embodiment of a composite board of a waterproof material and a metal according to the present invention.
Fig. 3 is a schematic production line diagram of a method for manufacturing a composite board of waterproof material and metal according to the present invention.
Detailed Description
The present invention will be described in detail with reference to the following examples, which are intended to facilitate the understanding of the present invention and should not be construed as limiting in any way.
As shown in fig. 1, the composite board of a waterproof material and a metal provided by the present invention comprises a waterproof base layer 1 and a metal layer 2 provided with a surface coating, wherein an adhesive layer 3 for adhering the metal layer 2 provided with the surface coating and the waterproof base layer 1 is arranged between the waterproof base layer 1 and the metal layer 2 provided with the surface coating, and a protective film 4 is arranged at the lower part of the waterproof base layer 1; the waterproof base layer is made of hard materials. The composite board of the waterproof material and the metal provided by the invention is of a double-tire base structure, and the bonding layer is arranged between the waterproof base layer and the metal layer provided with the surface coating, so that the metal layer provided with the surface coating is firmly combined with the waterproof base layer; the surface coating is arranged to play a role in protecting the metal layer provided with the surface coating and decorating. Therefore, the composite board of the waterproof material and the metal can solve the problems of difficult installation of ceramic tiles and cement tiles and heavy roof load; the problems of low safety and easy aging of the asphalt shingle can be solved; meanwhile, the problem of single color of ceramic tiles, cement tiles and asphalt tiles can be solved; in addition, the composite board of the waterproof material and the metal can be used as roof tiles or wall decoration, can be waterproof, and can provide a plurality of color choices for users; and the wind resistance is strong, when the wind speed is 147Km/h, lasting for 2h, the composite board of the waterproof material and the metal in the application is not blown up by wind, so the waterproof material and the metal composite board can be suitable for high-rise and super high-rise buildings.
Preferably, at the notch of the composite board of the waterproof material and the metal, a turned-down flange is arranged on the metal layer provided with the surface coating, namely the metal layer provided with the surface coating is turned down by 90 degrees vertically; at the front end of the composite board of the waterproof material and the metal, the metal layer provided with the surface coating is provided with an edge covering which is turned downwards and then inwards, namely the metal layer provided with the surface coating is turned downwards by 90 degrees vertically and then turned inwards by 90 degrees horizontally. This embodiment is through setting up the turn-ups of turning over downwards and being provided with earlier downwards, turn over the bordure of turning over inwards again to it is ageing with higher speed to avoid waterproof material direct exposure in sunshine and rainwater.
Preferably, the adhesive layer 3 is made of a high polymer adhesive material with low-temperature flexibility of-30 ℃. In the embodiment, the bonding layer is made of the high polymer bonding material with the low-temperature flexibility of minus 30 ℃ so as to firmly bond the metal layer provided with the surface coating and the waterproof base layer together, thereby ensuring that the waterproof base layer and the metal layer provided with the surface coating are compounded to obtain the composite board with higher high and low-temperature peel strength.
Preferably, the bonding layer 3 comprises 45-48 parts of high-quality No. 90 petroleum asphalt, 5-8 parts of saturated styrene block copolymer, 2-4 parts of rubber powder, 45-48 parts of stone powder, 3-5 parts of trilinear oil, 0.1-0.3 part of anti-aging agent, 1-2 parts of vulcanizing agent and 0.1-0.2 part of light stabilizer. The peeling strength between the metal layer provided with the surface coating and the waterproof layer provided by the embodiment is more than or equal to 1N/mm, so that the metal layer provided with the surface coating and the waterproof base layer are firmly combined together.
In the prior art, the adhesive mostly uses SBS thermoplastic elastomer which is styrene-butadiene-styrene triblock copolymer, which has the solubility and thermoplasticity of polystyrene, the softness and resilience of butadiene rubber, and the dual characteristics of thermoplastic and vulcanized rubber, wherein the characteristics are caused by the thermodynamic incompatibility of the tail section and the middle section in SBS molecular chain, the tail section of the dispersed phase is glass state at room temperature and plays the role of rigid net-shaped cross-linking point, so that the SBS is in viscous state, and the cross-linking is destroyed, thereby becoming a synthetic material capable of being plasticized. Therefore, SBS is used for the adhesive.
Although SBS adhesives have many good properties, SBS adhesives also have some disadvantages, such as: the adhesive has small polarity, low strength when being used for bonding polar materials (such as metal, cement and the like), poor heat resistance and weather resistance, low initial adhesion strength, slow drying speed and the like, so the composition of the adhesive needs to be modified.
In the present embodiment, a saturated styrene block copolymer (SEBS) having a styrene content of 28% and a maleic functional group content of 2% is used, which greatly improves compatibility with polar materials, so that a hot melt adhesive prepared using the saturated styrene block copolymer can bond aluminum, steel, glass, and the like.
Preferably, the waterproof base layer comprises 20-32 parts of No. 10 oxidized asphalt, 6-18 parts of No. 70 road asphalt, 13-30 parts of cement powder, 35-40 parts of fly ash, 1-3 parts of PP (polypropylene) particles, 1-1.5 parts of rubber powder, 0.1-0.5 part of anti-aging agent, 0.5-2 parts of compatilizer and 0.01-0.05 part of zinc chloride. In the embodiment, the high-quality low-wax-content oxidized asphalt is added with more than 55% of stone powder (cement and fly ash), and materials such as a compatilizer and an anti-aging agent are added to be processed by customized production equipment, so that the composite board has a normal waterproof function, and also has strong stiffness and high temperature resistance-no flowing, sliding, falling and bubble generation at 110 ℃, so as to play the roles of waterproofing and framework, and further the roof tile has the characteristic of stiffness.
Selection of asphalt and determination of addition amount:
the softening point of No. 10 asphalt is 117 ℃, the softening point of No. 70 asphalt is 45 ℃, the softening point of the asphalt is not lower than 90 ℃, and the sag requirement is less than or equal to 50 mm.
Considering that the wax content of the 10# asphalt is high, in the actual production process, if the addition amount of the 10# asphalt is too large, the viscosity of the mixture is too large, so that the stirring difficulty is increased, and the low-temperature brittleness is large, therefore, the 70# asphalt is added into the asphalt base material provided by the embodiment to adjust the viscosity of the mixture.
And (3) calculating the asphalt mixture: the use amount of 70# asphalt Q1 (T2-T)/(T2-T1) ═ 37.5% (117 ℃ -90 ℃)/(117 ℃ -45 ℃), and the use amount of 10# asphalt Q2 (1-37.5%: 62.5%; wherein T2 is the softening point temperature of 10# asphalt, T1 is the softening point temperature of 70# asphalt, T is the softening point temperature of the target asphalt, Q1 is the ratio of 70# asphalt, and Q2 is the ratio of 10# asphalt.
Experiment one: when the using amount of 70# asphalt is 37.5 percent and the using amount of 10# asphalt is 62.5 percent, the sag of the mixture (under the condition that other fillers are not changed) prepared according to the proportion is 120mm and exceeds the sag standard;
experiment two: the addition amount of the 10# asphalt is increased, the content of the 70# asphalt is correspondingly reduced, when the 10# asphalt is increased to 75 percent and the content of the 70# asphalt is reduced to 25 percent, the softening point of the mixture reaches 99 ℃, the target temperature is more than 90 ℃, the sag is improved to 85mm, and the requirement that the sag is more than or equal to 50mm is not met;
experiment three: because the addition amount of the 10# asphalt is increased to have a good tendency to the softening point and the sag, the addition amount of the 10# asphalt is continuously increased to 79 percent, the addition amount of the 70# asphalt is reduced to 21 percent, the softening point of the mixture reaches 102 ℃ (the softening point is far larger than the target 90 ℃), and the sag is 53mm (close to the sag target 50 mm).
From the above experimental data, it can be determined that the asphalt ratio in the formula is: 75-80% of 10# asphalt and 18-22% of 70# asphalt.
Determination process of addition amount of cement powder:
because the large-particle (140-mesh) powder is mainly used for playing the role of a framework of a base material and improving the sag index, the particles are wrapped by asphalt during adding, and only the particles can be adhered together through the asphalt and cannot be scattered; when the addition amount is too large, the phenomenon that the cement powder cannot be completely wrapped by the asphalt can be caused; when the amount of addition is too small, the skeleton action is not exerted, and therefore, the amount of addition of the cement powder needs to be strictly controlled.
Experiment one: taking about 30 parts of cement powder of about 140 meshes, wherein the obtained base material is in a bulk material state, which indicates that not all the cement powder is wrapped by asphalt, so that the cement powder is not dispersed into a whole;
experiment two: the addition amount of the cement powder of about 140 meshes is reduced to about 18 parts, the base material is improved, and about 20 percent of the cement powder is dispersed and overflowed;
experiment three: the addition amount of cement powder of about 140 mesh was reduced to 17 parts or less, only about 10% of the cement powder was dispersed, and the cement powder was substantially completely dispersed after increasing the stirring time.
From the above experimental data, it can be determined that the addition amount of the cement powder is 15 to 17 parts.
The determination process of the addition amount of the fly ash comprises the following steps:
fly ash primarily functions in the mixture to increase the softening point of the mixture.
When about 20 parts of fly ash is added, the contribution of the fly ash to the softening point of the asphalt base material is +2 ℃;
when about 30 parts of fly ash is added, the contribution of the fly ash to the softening point of the asphalt base material is +5 ℃;
when about 40 parts of fly ash is added, the contribution of the fly ash to the softening point of the asphalt base material is +7 ℃;
when about 50 parts of fly ash is added, the contribution of the fly ash to the softening point of the asphalt base material is +10 ℃;
when the addition amount of the fly ash is continuously increased, part of the fly ash is scattered and overflowed, and the base material becomes brittle.
From the above experimental data, the addition amount of the fly ash can be determined to be 40-50 parts.
Determination of the addition of other additives:
PP particles: in order to improve the viscosity of the asphalt mixture, increase the wrapping force on powder and improve the high-temperature flexibility of the base material, adding a certain amount of PP particles is necessary:
in the experimental process, when the addition amount of the PP particles exceeds 1.5 parts, the viscosity of the mixture is increased by 50 percent, so that the blanking is difficult; the toughness of the base material is not changed when the PP is added by less than 1 part; therefore, the PP particles are finally added in an amount of 1 to 1.5 parts.
Rubber powder: in order to improve the low-temperature performance of the base material, a certain amount of recycled rubber powder is added to improve the low-temperature toughness, so that a certain amount of rubber powder is necessary;
in the experimental process, when the addition amount of the rubber powder exceeds 1.5 parts, the sag of the base material begins to decrease; therefore, the addition amount of the rubber powder is finally determined to be 1 to 1.3 parts.
From the above experimental data, it can be seen that:
preferably, 22-30 parts of No. 10 oxidized asphalt, 6-12 parts of No. 70 road asphalt, 15-18 parts of cement powder, 37-40 parts of fly ash, 1-1.5 parts of PP (polypropylene) particles, 1-1.3 parts of rubber powder, 0.1-0.5 part of anti-aging agent, 0.5-1.5 parts of compatilizer and 0.01-0.05 part of zinc chloride.
More preferably, 28-30 parts of No. 10 oxidized asphalt, 6-8 parts of No. 70 road asphalt, 16-17 parts of cement powder, 38-40 parts of fly ash, 1.2-1.5 parts of PP particles, 1-1.1 parts of rubber powder, 0.1-0.3 part of anti-aging agent, 0.5-1.2 parts of compatilizer and 0.01-0.03 part of zinc chloride.
Preferably, the cement powder is obtained from cement powder in municipal building waste, the fly ash is obtained from industrial waste, the PP particles are obtained from recycled plastic particles, and the rubber powder is obtained from recycled tire powder. The implementation utilizes cement in cement powder in urban building rubbish and fly ash in industrial waste, recovers PP (polypropylene) particles in plastic particles and rubber powder particles in tire powder to prepare the waterproof base layer, thereby reducing the cost, improving the utilization rate of waste products and conforming to the sustainable development strategy.
The anti-stripping and anti-aging coating comprises a compatilizer, an anti-stripping agent, an anti-aging agent, a light stabilizer, a salicylate ultraviolet absorber, a PE film and a protective film, wherein the compatilizer is trilinear oil, the anti-stripping agent is environment-friendly non-amine, the anti-aging agent is an anti-aging agent MBZ, the light stabilizer is a salicylate ultraviolet absorber, and the protective film is a PE film; the coating is a fluorocarbon coating or a polyester resin coating, the metal layer provided with the surface coating is made of an aluminum-manganese composite material, and the thickness of the metal layer provided with the surface coating and made of the aluminum-manganese composite material is 0.2-0.4 mm.
As shown in fig. 2, the upper part of the metal layer 2 provided with the surface coating is provided with a transparent finish 5, and the lower part of the metal layer provided with the surface coating is provided with a primer 6. In the embodiment, the transparent finish coat is arranged on the upper part of the metal layer provided with the surface coating to resist ultraviolet rays so as to protect the surface coating, so that the composite board has longer service life; the metal layer provided with the surface coating is provided with the bottom surface coating at the lower part of the metal layer provided with the surface coating, so that the metal layer provided with the surface coating is protected and the surface coating is prevented from peeling off.
As shown in fig. 3, the preparation method of the composite board of the waterproof material and the metal provided by the invention comprises the following steps:
(1) the preparation of the coating material comprises the following steps:
(1.1) mixing the 10# oxidized asphalt and the 70# road asphalt, and heating to 240-260 ℃;
(1.2) removing water and impurities from the mixture treated in the step (1.1), and then transferring the mixture into a stirring tank;
(1.3) heating the mixture in the stirring tank to 190-240 ℃, and adding a compatilizer;
(1.4) stirring the mixture treated in the step (1.3) for 20min, and adding an anti-aging agent, PP particles and rubber powder;
(1.5) stirring the mixture treated in the step (1.4) for 20min, and adding cement powder and fly ash for 1 h;
(1.6) adding zinc chloride into the mixture treated in the step (1.5), and stirring for 2 hours to serve as a coating material for standby;
(2) the preparation of the composite board of the waterproof material and the metal comprises the following steps:
(2.1) unreeling the lower layer glass fiber tire, drying, pre-dipping with 200# asphalt, coating the coating material prepared in the step (1), then coating a protective film on the lower surface of the lower layer glass fiber tire, and cooling;
(2.2) after unreeling and drying the upper layer glass fiber tire, dip-coating an adhesive material;
(2.3) compounding the upper-layer glass fiber tire treated in the step (2.2) with the lower-layer glass fiber tire treated in the step (2.1) to form a waterproof base layer;
(2.4) coating metal and an isolating membrane with a surface coating on the waterproof base layer treated in the step (2.3) under the conditions that the pressure is greater than 20MPa and the temperature is 140-180 ℃;
and (2.5) carrying out extrusion forming on the product treated in the step (2.4), cutting, and keeping the pressure for 4-8h under the condition that the pressure is 10MPa to form the composite board of the waterproof material and the metal.
In the embodiment, when the waterproof layer with the protective film and the metal layer with the surface coating are compounded through the adhesive layer, high pressure which is more than 20MPa is applied to extrude air between the metal layer with the surface coating and the waterproof layer, so that the metal layer with the surface coating and the waterproof layer are in contact with each other by more than 98 percent, the waterproof material is more compact in texture and higher in strength, and the metal layer with the surface coating is more flat under high pressure; the bonding layer is completely melted by applying high temperature of 140-180 ℃, so that the bonding effect can be better exerted; the pressure is maintained for 4-8 hours under the pressure of 10MPa, so that the internal stress between the metal layer provided with the surface coating and the waterproof layer is completely eliminated, and the flatness and consistency of the waterproof material and the metal composite board are completely realized.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (8)
1. The composite board of the waterproof material and the metal is characterized by comprising a waterproof base layer and a metal layer provided with a surface coating, wherein a bonding layer for bonding the metal layer provided with the surface coating and the waterproof base layer is arranged between the waterproof base layer and the metal layer provided with the surface coating, and a protective film is arranged at the lower part of the waterproof base layer;
the adhesive layer is made of a high-molecular adhesive material with low-temperature flexibility of-30 ℃, and the high-molecular adhesive material comprises 45-48 parts of No. 90 petroleum asphalt, 5-8 parts of saturated styrene block copolymer, 2-4 parts of rubber powder, 45-48 parts of stone powder, 3-5 parts of trilinear oil, 0.1-0.3 part of anti-aging agent, 1-2 parts of vulcanizing agent and 0.1-0.2 part of light stabilizer;
the surface coating adopts a fluorocarbon coating or a polyester resin coating.
2. The composite board of waterproof material and metal according to claim 1, wherein: at the notch of the composite board of the waterproof material and the metal, a downward folded flange is arranged on the metal layer provided with the surface coating; at the front end of the composite board of the waterproof material and the metal, the metal layer provided with the surface coating is provided with a covered edge which is firstly turned downwards and then turned inwards.
3. The composite board of waterproof material and metal according to claim 1 or 2, wherein: the protective film adopts a PE film, and the metal layer provided with the surface coating adopts an aluminum-manganese composite material.
4. The composite board of waterproof material and metal according to claim 1 or 2, wherein: the waterproof base layer comprises 20-32 parts of No. 10 oxidized asphalt, 6-18 parts of No. 70 road asphalt, 13-30 parts of cement powder, 35-40 parts of fly ash, 1-3 parts of PP (polypropylene) particles, 1-1.5 parts of rubber powder, 0.1-0.5 part of anti-aging agent, 0.5-2 parts of compatilizer and 0.01-0.05 part of zinc chloride.
5. The composite board of waterproof material and metal according to claim 4, wherein: the cement powder is taken from cement powder in urban building garbage, the fly ash is taken from industrial waste, the PP particles are taken from recycled plastic particles, and the rubber powder is taken from recycled tire powder.
6. The composite board of waterproof material and metal according to claim 4, wherein: the compatilizer is trilinear oil, the anti-aging agent is an anti-aging agent MBZ, and the light stabilizer is a salicylate ultraviolet absorbent.
7. The composite board of waterproof material and metal according to claim 1 or 2, wherein: the upper part of the metal layer provided with the surface coating is provided with a transparent finish coat, and the lower part of the metal layer provided with the surface coating is provided with a bottom coating.
8. The method for preparing a composite board of waterproof material and metal as claimed in any one of claims 1 to 7, comprising the steps of preparing a coating material and preparing a composite board of waterproof material and metal:
(1) the preparation of the coating material comprises the following steps:
(1.1) mixing the 10# oxidized asphalt and the 70# road asphalt, and heating to 240-260 ℃;
(1.2) removing water and impurities from the mixture treated in the step (1.1), and then transferring the mixture into a stirring tank;
(1.3) heating the mixture in the stirring tank to 190-240 ℃, and adding a compatilizer;
(1.4) stirring the mixture treated in the step (1.3) for 20min, and adding an anti-aging agent, PP particles and rubber powder;
(1.5) stirring the mixture treated in the step (1.4) for 20min, and adding cement powder and fly ash for 1 h;
(1.6) adding zinc chloride into the mixture treated in the step (1.5), and stirring for 2 hours to serve as a coating material for standby;
(2) the preparation of the composite board of the waterproof material and the metal comprises the following steps:
(2.1) unreeling the lower layer glass fiber tire, drying, pre-dipping with 200# asphalt, coating the coating material prepared in the step (1), then coating a protective film on the lower surface of the lower layer glass fiber tire, and cooling;
(2.2) after unreeling and drying the upper layer glass fiber tire, dip-coating an adhesive material;
(2.3) compounding the upper-layer glass fiber tire treated in the step (2.2) with the lower-layer glass fiber tire treated in the step (2.1) to form a waterproof material;
(2.4) when the pressure is more than 20MPa and the temperature is 140-180 ℃, covering the metal and the isolating membrane with the surface coating on the waterproof material treated in the step (2.3); and (2.5) carrying out extrusion forming on the product treated in the step (2.4), cutting, and keeping the pressure for 4-8h under the condition that the pressure is 10MPa to form the composite board of the waterproof material and the metal.
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| CN201910046930.3A CN109878178B (en) | 2019-01-18 | 2019-01-18 | Composite board of waterproof material and metal and preparation method thereof |
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| CN107901525B (en) * | 2017-11-08 | 2019-06-21 | 吉林省豫王建能实业股份有限公司 | A kind of low temperature resistant modified asphalt waterproof coiled material and preparation method thereof |
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