CN112026298A - Preparation method of SBS modified asphalt energy-saving heat-preservation waterproof coiled material - Google Patents
Preparation method of SBS modified asphalt energy-saving heat-preservation waterproof coiled material Download PDFInfo
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- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D7/00—Producing flat articles, e.g. films or sheets
- B29D7/01—Films or sheets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B11/00—Layered products comprising a layer of bituminous or tarry substances
- B32B11/10—Layered products comprising a layer of bituminous or tarry substances next to a fibrous or filamentary layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/02—Coating on the layer surface on fibrous or filamentary layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/26—Polymeric coating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0276—Polyester fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/101—Glass fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/304—Insulating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/73—Hydrophobic
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Abstract
The invention provides a preparation method of an SBS modified asphalt energy-saving heat-preservation waterproof coiled material, and relates to the technical field of preparation of energy-saving heat-preservation waterproof coiled materials. The preparation method of the SBS modified asphalt energy-saving heat-insulating waterproof coiled material comprises a first SBS modified asphalt layer and a second SBS modified asphalt layer which are coated on the upper surface and the lower surface of a framework layer, wherein a high-temperature-resistant fireproof layer is bonded on the upper surface of the first SBS modified asphalt layer, a surface SBS modified asphalt layer is arranged on the upper surface of the high-temperature-resistant fireproof layer, an upper surface isolation film layer and a lower surface isolation film layer are respectively arranged on the outer surfaces of the surface SBS modified asphalt layer and the second SBS modified asphalt layer, and the framework layer is formed by compounding and processing thin steel wires and polyester tires. Through designing three-layer SBS modified asphalt layer, can improve this heat preservation waterproofing membrane's waterproof performance greatly, through set up high temperature resistant flame retardant coating between two-layer SBS modified asphalt layer, can improve this heat preservation waterproofing membrane's high temperature resistant and sun-proof ability greatly moreover, be worth wideling popularize.
Description
Technical Field
The invention relates to the technical field of energy-saving heat-insulating waterproof coiled materials, in particular to a preparation method of an SBS modified asphalt energy-saving heat-insulating waterproof coiled material.
Background
Waterproof coiled materials, roll waterproof materials made of asphalt, rubber or other organic materials, commonly known as linoleum or asphalt felt, have good waterproof property and better flexibility, asphalt or polymer waterproof materials are soaked on a matrix, and the manufactured waterproof material products are provided in a coiled material form, are called waterproof coiled materials, and are divided into asphalt waterproof coiled materials, high polymer modified asphalt waterproof coiled materials and synthetic polymer waterproof coiled materials according to different main component materials; the waterproof coiled material is divided into a coiled material without a matrix, a coiled material with a paper matrix, a coiled material with a glass fiber matrix, a coiled material with a glass cloth matrix and a coiled material with a polyethylene matrix according to different matrixes, and the waterproof coiled material is required to have good water resistance, stability to temperature change (no flow, no bubble, no movement at high temperature, no brittle fracture at low temperature), certain mechanical strength, extensibility and fracture resistance, certain flexibility, ageing resistance and the like.
The waterproof coiled material is a common waterproof construction material, but the structural design of the existing waterproof coiled material in the current market has certain defects, although the whole waterproof performance is relatively good, when the waterproof coiled material is laid on the open roofs and other positions, the whole waterproof performance is greatly reduced after the waterproof coiled material is subjected to perennial high-temperature sun exposure and wind-blowing rain exposure, so that the subsequent use is influenced, and therefore, a novel preparation method of the SBS modified asphalt energy-saving heat-preservation waterproof coiled material is developed.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a preparation method of an SBS modified asphalt energy-saving heat-insulating waterproof coiled material, which solves the problems that the structural design of the existing waterproof coiled material in the current market has certain defects, and although the overall waterproof performance is relatively good, the overall waterproof performance is greatly reduced after the coiled material is laid on the roof and other positions in the open air and is exposed to high temperature and wind, wind and rain all the year round, so that the subsequent use is influenced.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides an energy-conserving heat preservation waterproofing membrane of SBS modified asphalt, is including cladding first SBS modified asphalt layer and the second SBS modified asphalt layer at casing ply upper surface and lower surface, the upper surface on first SBS modified asphalt layer bonds and has high temperature resistant flame retardant coating, the upper surface on high temperature resistant flame retardant coating is provided with top layer SBS modified asphalt layer, the surface on top layer SBS modified asphalt layer and second SBS modified asphalt layer is provided with upper surface barrier film layer and lower surface barrier film layer respectively.
Preferably, the framework layer is formed by compounding and processing thin steel wires and a polyester tire.
Preferably, the first SBS modified asphalt layer, the second SBS modified asphalt layer and the surface SBS modified asphalt layer are all formed by mixing and stirring asphalt, an SBS modifier and an external additive.
Preferably, the high-temperature-resistant fireproof layer is made of glass fiber rubberized fabric.
A preparation method of an SBS modified asphalt energy-saving heat-preservation waterproof coiled material comprises the following specific steps:
s1, preparing a high-power heatable stirring tank, pumping high-quality asphalt into the stirring tank, adding a quantitative SBS modifier into the stirring tank, starting a stirring device of the stirring tank, and uniformly stirring the high-quality asphalt in the stirring tank so as to realize primary modification;
s2, after the first modification of the high-quality asphalt is finished, adding a proper amount of external additive into the stirring tank, and starting the stirring device of the stirring tank again to perform secondary stirring, so that the second modification is realized;
s3, after the secondary modification is finished, the stirring speed of a stirring device in the stirring tank is reduced, and meanwhile, the heating temperature in the stirring tank is adjusted to be in a constant temperature state and is stored for later use;
s4, starting a waterproof coiled material processing production line, clamping one end of the framework layer by using a traction device, drawing the framework layer on the production line, pumping the prepared modified asphalt into a storage tank, and additionally installing a group of guide wheels in the storage tank, so that the framework layer is guided and limited in the storage tank, and a layer of modified asphalt is uniformly coated on the upper surface and the lower surface of the framework layer, so that a first SBS modified asphalt layer and a second SBS modified asphalt layer are respectively formed;
s5, after the first SBS modified asphalt layer and the second SBS modified asphalt layer are coated, arranging a high-temperature-resistant fireproof layer on a production line to automatically lay a roll, so that the high-temperature-resistant fireproof layer can move along with the framework layer, and automatically coating the high-temperature-resistant fireproof layer on the outer surface of the top of the first SBS modified asphalt layer;
s6, after the high-temperature-resistant fireproof layer is coated, arranging a modified asphalt spraying device in the next process, and spraying a layer of thinner modified asphalt on the upper surface of the high-temperature fireproof layer again to form a surface SBS modified asphalt layer;
s7, after the surface SBS modified asphalt layer is covered, automatically coating the outer surfaces of the surface SBS modified asphalt layer and the second SBS modified asphalt layer by using a group of isolation film layer rolls so as to respectively form an upper surface isolation film layer and a lower surface isolation film layer;
and S8, finally, cooling and automatically drying the produced waterproof coiled material.
Preferably, the stirring time of the first modification is 30 minutes, and the heating temperature is controlled within the range of 100 ℃ to 135 ℃.
Preferably, the stirring time of the second modification is 10-50 minutes, and the heating temperature is controlled within the range of 120-140 ℃.
Preferably, the temperature of the constant temperature state is controlled at 120 ℃.
(III) advantageous effects
The invention provides a preparation method of an SBS modified asphalt energy-saving heat-insulating waterproof coiled material. The method has the following beneficial effects:
1. according to the preparation method of the SBS modified asphalt energy-saving heat-insulating waterproof coiled material, through the production and processing technology with simple design, not only is the production and processing convenient and rapid, but also the heat-insulating waterproof coiled material can be produced and formed in the way, subsequent processing is not needed, and the whole production line adopts automatic production and processing, so that a large amount of manpower and material resources are saved.
2. According to the preparation method of the SBS modified asphalt energy-saving heat-insulating waterproof coiled material, the waterproof performance of the heat-insulating waterproof coiled material can be greatly improved by designing the three SBS modified asphalt layers, the high-temperature-resistant fireproof layer is arranged between the two SBS modified asphalt layers, the high-temperature-resistant and sun-proof performance of the heat-insulating waterproof coiled material can be greatly improved, the working efficiency is greatly improved, and the preparation method is worthy of vigorous popularization.
Drawings
FIG. 1 is a schematic structural view of a waterproof roll according to the present invention;
fig. 2 is a schematic structural diagram of a second embodiment of the present invention.
Wherein, 1, a framework layer; 2. a first SBS modified asphalt layer; 3. a second SBS modified asphalt layer; 4. a high temperature resistant fire barrier; 5. a SBS modified asphalt layer on the surface layer; 6. an upper surface isolation film layer; 7. the lower surface is isolated by the film layer.
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.
The first embodiment is as follows:
as shown in fig. 1, an embodiment of the present invention provides an SBS modified asphalt energy-saving heat-insulating waterproof roll, which includes a first SBS modified asphalt layer 2 and a second SBS modified asphalt layer 3 that are coated on an upper surface and a lower surface of a framework layer 1, a high temperature resistant fireproof layer 4 is bonded on an upper surface of the first SBS modified asphalt layer 2, a surface layer SBS modified asphalt layer 5 is disposed on an upper surface of the high temperature resistant fireproof layer 4, and an upper surface isolation film layer 6 and a lower surface isolation film layer 7 are respectively disposed on outer surfaces of the surface layer SBS modified asphalt layer 5 and the second SBS modified asphalt layer 3.
The framework layer 1 is formed by compounding and processing thin steel wires and polyester tires, and the framework layer 1 formed by compounding and processing the thin steel wires and the polyester tires not only enables the heat-preservation waterproof coiled material to have better toughness, but also has better tensile resistance and firmness.
The first SBS modified asphalt layer 2, the second SBS modified asphalt layer 3 and the surface SBS modified asphalt layer 5 are formed by mixing and stirring asphalt, SBS modifiers and external additives, and the first SBS modified asphalt layer 2, the second SBS modified asphalt layer 3 and the surface SBS modified asphalt layer 5 formed by mixing and stirring the asphalt, the SBS modifiers and the external additives have better sealing and waterproof performances, so that water leakage or seepage cannot easily occur.
High temperature resistant flame retardant coating 4 is made by glass fiber rubber coating cloth material, and high temperature resistant flame retardant coating 4 made by glass fiber rubber coating cloth material not only has certain toughness, also has better high temperature resistant and fire-proof performance simultaneously, can make this waterproofing membrane can not take place serious ageing yet under long-term high temperature and the state that blows to rain, guaranteed its holistic waterproof, heat preservation, high temperature resistant and ageing resistance's performance.
A preparation method of an SBS modified asphalt energy-saving heat-preservation waterproof coiled material comprises the following specific steps:
s1, preparing a high-power heatable stirring tank, pumping high-quality asphalt into the stirring tank, adding a certain amount of SBS modifier into the stirring tank, starting a stirring device of the stirring tank, uniformly stirring the high-quality asphalt in the stirring tank, so as to realize primary modification, and automatically completing uniform stirring of the high-quality asphalt and the SBS modifier by using the high-power heatable stirring tank, so as to assist the high-quality asphalt to complete modification processing;
s2, after the first modification of the high-quality asphalt is finished, adding a proper amount of external additive into the stirring tank, starting the stirring device of the stirring tank again to perform secondary stirring, so that the second modification is realized, and the secondary modification processing of the high-quality asphalt and the external additive can be finished by automatically heating and stirring, meanwhile, the production and processing efficiency is greatly improved by utilizing automatic processing equipment, and meanwhile, the quality of the modified first SBS modified asphalt layer 2, the modified second SBS modified asphalt layer 3 and the modified surface SBS modified asphalt layer 5 is also ensured by uniform stirring processing, so that the modified first SBS modified asphalt layer has better sealing property and waterproof property;
s3, after the secondary modification is finished, the stirring speed of a stirring device in the stirring tank is reduced, and meanwhile, the heating temperature in the stirring tank is adjusted to be in a constant temperature state and is stored for later use;
s4, starting a waterproof coiled material processing production line, clamping one end of a framework layer 1 by using a traction device, drawing the framework layer 1 on the production line, pumping the prepared modified asphalt into a storage tank, additionally arranging a group of guide wheels in the storage tank, so that the framework layer 1 is guided and limited in the storage tank, uniformly coating a layer of modified asphalt on the upper surface and the lower surface of the framework layer 1, forming a first SBS modified asphalt layer 2 and a second SBS modified asphalt layer 3 respectively, pumping the prepared modified asphalt into the storage tank, guiding the framework layer 1 into the storage tank through the group of guide wheels, so that the framework layer 1 can automatically finish the gluing work of the outer surface in the traction process, and the modified asphalt can form the first SBS modified asphalt layer 2 and the second SBS modified asphalt layer 3 on the outer surface of the framework layer 1 respectively, the processing technology is convenient to operate, and meanwhile, the structure is simple;
s5, after the first SBS modified asphalt layer 2 and the second SBS modified asphalt layer 3 are coated, arranging a high-temperature-resistant fireproof layer 4 on a production line to automatically lay a roll, so that the high-temperature-resistant fireproof layer 4 can move along with the framework layer 1, automatically coating the high-temperature-resistant fireproof layer 4 on the outer surface of the top of the first SBS modified asphalt layer 2, and greatly improving the high-temperature resistance and sun-proof performance of the heat-preservation waterproof coiled material by coating the high-temperature-resistant fireproof layer 4 on the outer surface of the top of the first SBS modified asphalt layer 2;
s6, after the high-temperature-resistant fire-proof layer 4 is coated, arranging a modified asphalt spraying device in the next process, spraying a layer of thin modified asphalt on the upper surface of the high-temperature-resistant fire-proof layer 4 again to form a surface SBS modified asphalt layer 5, and spraying a layer of thin modified asphalt on the upper surface of the high-temperature-resistant fire-proof layer 4 again to achieve better waterproof and heat-insulating performances and enable the waterproof coiled material to have better ageing resistance;
s7, after the surface SBS modified asphalt layer 5 is covered, automatically covering the outer surfaces of the surface SBS modified asphalt layer 5 and the second SBS modified asphalt layer 3 by utilizing a group of isolation film layer rolls, so as to form an upper surface isolation film layer 6 and a lower surface isolation film layer 7 respectively, and covering the outer surfaces of the surface SBS modified asphalt layer 5 and the second SBS modified asphalt layer 3 with the upper surface isolation film layer 6 and the lower surface isolation film layer 7 respectively, so that the overall waterproof and wear-resisting performance of the waterproof roll can be improved;
and S8, finally, cooling and automatically drying the produced waterproof coiled material.
The stirring time of the first modification is 30 minutes, the heating temperature is controlled within the range of 100-.
The stirring time of the second modification is 10-50 minutes, the heating temperature is controlled within the range of 120-140 ℃, and the heating temperature of the second modification is controlled within the range of 120-140 ℃, so that the stirring processing is convenient.
The temperature of the constant temperature state is controlled to be 120 ℃, and the temperature of the constant temperature state is controlled to be 120 ℃, so that the modified asphalt after secondary modification can keep a flowing state, solidification can not occur, and the subsequent extraction of the modified asphalt is facilitated.
Example two:
the embodiment is based on the first embodiment: in order to make this waterproofing membrane have better heat preservation, and high temperature resistance, can increase the fire-resistant layer 4 of one deck between second SBS modified asphalt layer 3 and lower surface barrier film layer 7, through designing double-deck fire-resistant layer 4, can play better heat preservation and fire-resistant effect of high temperature resistance to the floor.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a SBS modified asphalt energy-conserving heat preservation waterproofing membrane which characterized in that: including cladding at first SBS modified asphalt layer (2) and second SBS modified asphalt layer (3) of casing ply (1) upper surface and lower surface, the upper surface bonding of first SBS modified asphalt layer (2) has high temperature resistant flame retardant coating (4), the upper surface of high temperature resistant flame retardant coating (4) is provided with top layer SBS modified asphalt layer (5), the surface of top layer SBS modified asphalt layer (5) and second SBS modified asphalt layer (3) is provided with upper surface barrier film layer (6) and lower surface barrier film layer (7) respectively.
2. The SBS modified asphalt energy-saving heat-insulating waterproof coiled material as claimed in claim 1, wherein: the framework layer (1) is formed by compounding and processing thin steel wires and polyester tires.
3. The SBS modified asphalt energy-saving heat-insulating waterproof coiled material as claimed in claim 1, wherein: the first SBS modified asphalt layer (2), the second SBS modified asphalt layer (3) and the surface SBS modified asphalt layer (5) are all formed by mixing and stirring asphalt, SBS modifier and external additive.
4. The SBS modified asphalt energy-saving heat-insulating waterproof coiled material as claimed in claim 1, wherein: the high-temperature-resistant fireproof layer (4) is made of glass fiber rubberized fabric.
5. The preparation method of the SBS modified asphalt energy-saving heat-insulating waterproof roll material according to claim 1, wherein the preparation method comprises the following steps: the method comprises the following specific steps:
s1, preparing a high-power heatable stirring tank, pumping high-quality asphalt into the stirring tank, adding a quantitative SBS modifier into the stirring tank, starting a stirring device of the stirring tank, and uniformly stirring the high-quality asphalt in the stirring tank so as to realize primary modification;
s2, after the first modification of the high-quality asphalt is finished, adding a proper amount of external additive into the stirring tank, and starting the stirring device of the stirring tank again to perform secondary stirring, so that the second modification is realized;
s3, after the secondary modification is finished, the stirring speed of a stirring device in the stirring tank is reduced, and meanwhile, the heating temperature in the stirring tank is adjusted to be in a constant temperature state and is stored for later use;
s4, starting a waterproof coiled material processing production line, clamping one end of the framework layer (1) by using a traction device, drawing the framework layer on the production line, pumping the prepared modified asphalt into a storage tank, and additionally installing a group of guide wheels in the storage tank, so that the framework layer (1) is guided and limited in the storage tank, and a layer of modified asphalt is uniformly coated on the upper surface and the lower surface of the framework layer (1), so that a first SBS modified asphalt layer (2) and a second SBS modified asphalt layer (3) are respectively formed;
s5, after the first SBS modified asphalt layer (2) and the second SBS modified asphalt layer (3) are coated, arranging a high-temperature-resistant fireproof layer (4) on a production line to automatically lay a roll, so that the high-temperature-resistant fireproof layer (4) can move along with the framework layer (1), and automatically coating the high-temperature-resistant fireproof layer (4) on the outer surface of the top of the first SBS modified asphalt layer (2);
s6, after the high-temperature-resistant fireproof layer (4) is coated, arranging a modified asphalt spraying device in the next process, and spraying a layer of thin modified asphalt on the upper surface of the high-temperature-resistant fireproof layer (4) again to form a surface SBS modified asphalt layer (5);
s7, after the surface SBS modified asphalt layer (5) is covered, automatically coating the outer surfaces of the surface SBS modified asphalt layer (5) and the second SBS modified asphalt layer (3) by using a group of isolation film layer rolls, so as to form an upper surface isolation film layer (6) and a lower surface isolation film layer (7) respectively;
and S8, finally, cooling and automatically drying the produced waterproof coiled material.
6. The method for preparing the SBS modified asphalt energy-saving heat-insulating waterproof roll material according to claim 5, wherein the method comprises the following steps: the stirring time of the first modification is 30 minutes, and the heating temperature is controlled within the range of 100-135 ℃.
7. The method for preparing the SBS modified asphalt energy-saving heat-insulating waterproof roll material according to claim 5, wherein the method comprises the following steps: the stirring time of the second modification is 10-50 minutes, and the heating temperature is controlled within the range of 120-140 ℃.
8. The method for preparing the SBS modified asphalt energy-saving heat-insulating waterproof roll material according to claim 5, wherein the method comprises the following steps: the temperature of the constant temperature state is controlled at 120 ℃.
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| CN115302877A (en) * | 2022-08-08 | 2022-11-08 | 永康市海峰防水建材有限公司 | High-durability polymerization modified asphalt waterproof coiled material and preparation process thereof |
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| CN112026298B (en) | 2022-12-23 |
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