CN115785845A - Dry-wet dual-purpose waterproof roll and preparation method thereof - Google Patents
Dry-wet dual-purpose waterproof roll and preparation method thereof Download PDFInfo
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- CN115785845A CN115785845A CN202211665731.9A CN202211665731A CN115785845A CN 115785845 A CN115785845 A CN 115785845A CN 202211665731 A CN202211665731 A CN 202211665731A CN 115785845 A CN115785845 A CN 115785845A
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- 238000002360 preparation method Methods 0.000 title abstract description 8
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- 239000011159 matrix material Substances 0.000 claims description 16
- 229920000642 polymer Polymers 0.000 claims description 16
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 claims description 15
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 claims description 15
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 claims description 15
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Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a dry-wet dual-purpose waterproof coiled material and a preparation method thereof, wherein the waterproof coiled material comprises the following raw materials in parts by weight: 50-60 parts of petroleum asphalt, 5-8 parts of glass fiber, 5-8 parts of plasticizer, 5-15 parts of tackifying resin, 6-9 parts of high molecular modifier, 10-15 parts of water-absorbing resin and 15-20 parts of light calcium carbonate. The invention has the beneficial effects that: under the action of raw materials such as tackifying resin, water-absorbing resin and the like, when a base surface is wet, the cement mortar prepared on site is used as a binder, the coiled material and the cement mortar generate chemical and physical actions, and the coiled material is bonded on the base layer, so that wet construction is realized; when the base layer is dried, the coiled material is directly bonded on the base layer, so that dry construction bonding is realized.
Description
Technical Field
The invention belongs to the technical field of waterproof rolls for buildings, and particularly relates to a dry-wet waterproof roll and a preparation method thereof.
Background
At present, polymer modified asphalt waterproof coiled materials are widely applied to the building waterproof field such as roofs, basements and the like in China. The waterproof material has excellent high and low temperature resistance and the like, and occupies a large proportion in the national waterproof material market.
The traditional modified asphalt waterproof coiled material needs to be heated by open fire, and the construction process is hot melting construction. The hot melting method needs to be baked by open fire, consumes a large amount of energy such as liquefied gas or gasoline and has potential safety hazards such as ignition. In addition, the modified asphalt waterproof coiled material mainly comprises components such as petroleum asphalt, thermoplastic styrene-butadiene rubber SBS, plasticizer and the like, and the components belong to hydrophobic materials, so that the compatibility of the coiled material and base cement materials is poor. And the construction can not be carried out in a short time in rainy days or after rain, but in actual construction, a humid environment is very common, and particularly in rainy seasons and building base layers with deep foundation pits, the construction is difficult by adopting the traditional asphalt waterproof coiled material.
Disclosure of Invention
The invention aims to provide a dry-wet dual-purpose waterproof roll which can be constructed on a wet base surface and a dry base surface and a preparation method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
a dry-wet dual-purpose waterproof coiled material comprises the following raw materials in parts by weight: 50-60 parts of petroleum asphalt, 5-8 parts of glass fiber, 5-8 parts of plasticizer, 5-15 parts of tackifying resin, 6-9 parts of high molecular modifier, 10-15 parts of water-absorbing resin and 15-20 parts of light calcium carbonate.
The dry-wet dual-purpose waterproof coiled material comprises the following raw materials in parts by weight as a preferred embodiment: 52-58 parts of petroleum asphalt, 6-7 parts of glass fiber, 6-7 parts of plasticizer, 8-12 parts of tackifying resin, 7-8 parts of high molecular modifier, 12-14 parts of water-absorbing resin and 16-18 parts of light calcium carbonate.
The dry-wet dual-purpose waterproof coiled material comprises the following raw materials in parts by weight as a preferred embodiment: 55 parts of petroleum asphalt, 6 parts of glass fiber, 7 parts of plasticizer, 10 parts of tackifying resin, 8 parts of high molecular modifier, 12 parts of water-absorbent resin and 16 parts of light calcium carbonate.
When the water-absorbing resin of the surface layer of the coiled material meets alkaline cement, the water-absorbing resin quickly absorbs water and dissolves, part of the water-absorbing resin permeates into cement paste, and after the water-absorbing resin reacts with the calcium ions of cement hydrate in a passivation way, the hydrophilicity of the resin is weakened, the resin is gradually changed into a water-insoluble high polymer material, and after the cement mortar is dried and solidified, the coiled material is firmly fixed on the cement mortar binder through the meshing action of the resin, so that the wet paving construction effect is realized.
Petroleum asphalt is a product of crude oil processing, is a black or dark brown viscous liquid, semisolid or solid at normal temperature, mainly contains hydrocarbon and non-hydrocarbon derivatives soluble in trichloroethylene, and the properties and composition of the petroleum asphalt vary with the crude oil source and the production method.
The glass fiber is an inorganic non-metallic material with excellent performance, and has the advantages of good insulativity, strong heat resistance, good corrosion resistance and high mechanical strength.
Tackifying resins are those capable of improving the tack of rubber materials, and are mainly used for modifying polymers, and are widely used in adhesives, paints, inks, and as a compounding agent for rubbers, an asphalt modifier, and a modifier for polyolefins.
SBS modifiers play an important role in thermoplastic elastomers. SBS includes block copolymers (SBS) formed with polystyrene segments (denoted by S) constituting hard segments and polybutadiene (denoted by B) as soft segments. The SBS modifier has good physical and mechanical properties, thermal properties, weather resistance, chemical resistance and air permeability.
Plasticizers refer to mechanical oils, such as 46#, 32#.
As a preferred embodiment, the above-mentioned wet and dry waterproof roll is a mixture of rosin modified phenolic resin and terpene resin treated by strong alkali; the weight ratio of the rosin modified phenolic resin to the terpene resin is 5-8:3-5.
The rosin modified phenolic resin adopted by the application is rosin modified phenolic resin treated by strong base, the rosin modified phenolic resin forms amphoteric active substances after alkalization treatment, the hydrophobic end is still remained in the coiled material modified asphalt, and the carboxylate at the hydrophilic end is diffused into cement slurry and reacts with the multivalent ions of cement hydrate to be passivated, and the-COOR is changed into (-COOR' -) n ，R'＝Ca 2+ 、Al 3+ And (3) when the cement paste is dried, the coiled material is firmly fixed on the base layer, so that the construction of a wet paving method can be further ensured.
In the above-mentioned wet and dry waterproof roll, as a preferred embodiment, the polymer modifier is a mixture of an SBR modifier and an SBS modifier.
The above-mentioned waterproof roll for both dry and wet use is a preferred embodiment, the water-absorbing resin is sodium polyacrylate with molecular weight > 200 ten thousand.
In a second aspect of the present application, there is provided a method for preparing a wet and dry waterproof roll, comprising the steps of:
(1) Grinding and stirring petroleum asphalt and a high molecular modifier at 190-200 ℃ for 1.5-2h;
(2) Cooling the mixture obtained in the step (1) to 160-180 ℃, adding water-absorbent resin, glass fiber, plasticizer and tackifying resin, and mixing and stirring uniformly; adding light calcium carbonate, stirring, and keeping
(3) Putting the coating prepared in the step (2) into a forming groove with heat preservation measures, enabling the matrix to pass through the forming groove, enabling the coating to be adhered to the matrix, adjusting the thickness of the coiled material through the distance between two rollers, then covering isolation films on two sides of the coiled material, cooling and rolling to obtain the dry-wet dual-purpose waterproof coiled material;
or coating the paint prepared in the step (2) on a polymer film, and preparing the tubeless dry-wet dual-purpose waterproof roll through rolling and film laminating processes.
The invention has the beneficial effects that: the coiled material can be constructed on a wet base surface and also can be constructed on a dry base surface.
The coiled material is directly paved by taking cement paste such as cement paste, cement mortar and the like as a binder, and after the binder is cured, the coiled material is firmly adhered to a base layer, so that wet construction is realized, and the problem that the common asphalt waterproof coiled material cannot be constructed on a wet base surface is solved.
When the base layer is dried, the coiled material is directly bonded on the base layer, so that dry construction bonding is realized.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without making any creative effort, shall fall within the protection scope of the present invention.
When the dry-wet dual-purpose waterproof roll is used on a wet surface, after a surface isolation film is removed, water-absorbing resin on a surface layer of the roll rapidly absorbs water and dissolves after encountering alkaline cement, part of the water-absorbing resin permeates into cement paste, and after the water-absorbing resin reacts with calcium ions of cement hydrate in a passivation way, the hydrophilicity of the resin is weakened and the resin is gradually changed into a water-insoluble high polymer material;
in addition, the rosin modified phenolic resin macromolecules of the surface layer of the coiled material can form amphoteric active substances after alkalization treatment, the hydrophobic end is still remained in the coiled material correction material asphalt, and the carboxylate of the hydrophilic end is diffused into cement slurry and reacts with the multivalent ions of cement hydrate to be passivated, wherein-COOR is changed into (-COOR '-) n, R' = Ca 2+ 、Al 3+ And (4) when the cement slurry is dried, the coiled material is firmly fixed on the base layer, so that the construction of a wet paving method can be further ensured.
On the dry side, use this application during a dry and wet dual-purpose type waterproofing membrane, after removing the surface barrier film, the addition of terpene resin in the coiled material surface course has strengthened the self-adhesive effect of coiled material itself, so has fine construction effect on the dry side.
Example 1
The dry-wet dual-purpose waterproof roll material disclosed by the embodiment 1 comprises the following raw materials in parts by weight: 50 parts of petroleum asphalt, 5 parts of glass fiber, 5 parts of plasticizer, 5 parts of tackifying resin, 6 parts of high-molecular modifier, 10 parts of water-absorbing resin and 15 parts of light calcium carbonate;
the tackifying resin is a mixture of rosin modified phenolic resin and terpene resin which are treated by strong alkali; the weight ratio of the rosin modified phenolic resin to the terpene resin is 5:3;
the weight ratio of the polymer modifier is 1:2, a mixture of an SBR modifier and an SBS modifier;
the water-absorbing resin is sodium polyacrylate with the molecular weight of more than 200 ten thousand, and the plasticizer is machine oil 46#.
The preparation method of the dry-wet dual-purpose waterproof roll material comprises the following steps:
(1) Grinding and stirring petroleum asphalt and a high molecular modifier for 2 hours at 190 ℃;
(2) Cooling the mixture obtained in the step (1) to 160 ℃, adding water-absorbent resin, glass fiber, plasticizer and tackifying resin, and mixing and stirring uniformly; then adding light calcium carbonate, and stirring uniformly for later use;
(3) And (3) putting the coating prepared in the step (2) into a forming groove with heat preservation measures (the heat preservation range of the forming groove is 150-160 ℃), enabling a high polymer polyester film matrix with the thickness of 0.8mm to pass through the forming groove at the speed of 35m/min, enabling the coating to be adhered to the matrix, enabling the coating to pass through two rollers with the distance of 2mm, then covering isolation films (polyethylene film isolation films) on two sides of the coiled material, cooling and rolling to obtain the 2mm high polymer polyester film matrix dry-wet dual-purpose waterproof coiled material.
Example 2
Embodiment 2 discloses a wet and dry waterproof roll, which comprises the following raw materials in parts by weight: 52 parts of petroleum asphalt, 6 parts of glass fiber, 6 parts of plasticizer, 8 parts of tackifying resin, 7 parts of high-molecular modifier, 12 parts of water-absorbing resin and 16 parts of light calcium carbonate;
the tackifying resin is a mixture of rosin modified phenolic resin and terpene resin which are treated by strong alkali; the weight ratio of the rosin modified phenolic resin to the terpene resin is 1:1;
the weight ratio of the polymer modifier is 1:2, a mixture of an SBR modifier and an SBS modifier;
the water-absorbing resin is sodium polyacrylate with the molecular weight of more than 200 ten thousand, and the plasticizer is machine oil 46#.
Embodiment 2 discloses a method for preparing a wet and dry waterproof roll, which includes the following steps:
(1) Grinding and stirring petroleum asphalt and a high molecular modifier at 195 ℃ for 1.8h;
(2) Cooling the mixture obtained in the step (1) to 170 ℃, adding water-absorbent resin, glass fiber, plasticizer and tackifying resin, and mixing and stirring uniformly; adding light calcium carbonate, stirring, and keeping
(3) And (3) putting the coating prepared in the step (2) into a forming groove with heat preservation measures (the heat preservation range of the forming groove is 150-160 ℃), enabling a high polymer polyester film matrix body with the thickness of 0.8mm to pass through the forming groove at the speed of 35m/min, enabling the coating to be adhered to the matrix body, enabling the coating to pass through two rollers with the distance of 1.5mm, then covering isolation films (polyethylene film isolation films) on two sides of the coiled material, cooling and rolling to obtain the 1.5mm high polymer polyester film matrix dry-wet dual-purpose waterproof coiled material.
Example 3
The dry-wet dual-purpose waterproof roll comprises the following raw materials in parts by weight: 55 parts of petroleum asphalt, 6 parts of glass fiber, 7 parts of plasticizer, 10 parts of tackifying resin, 8 parts of high-molecular modifier, 12 parts of water-absorbing resin and 18 parts of light calcium carbonate;
the tackifying resin is a mixture of rosin modified phenolic resin and terpene resin which are treated by strong alkali; the weight ratio of the rosin modified phenolic resin to the terpene resin is 2:1;
the weight ratio of the polymer modifier is 1:2, a mixture of an SBR modifier and an SBS modifier;
the water-absorbing resin is sodium polyacrylate with the molecular weight of more than 200 ten thousand, and the plasticizer is machine oil 46#.
Embodiment 3 provides a method for preparing a wet and dry waterproof roll, which comprises the following steps:
(1) Grinding and stirring petroleum asphalt and a high molecular modifier for 2 hours at 200 ℃;
(2) Cooling the mixture obtained in the step (1) to 180 ℃, adding water-absorbent resin, glass fiber, plasticizer and tackifying resin, and mixing and stirring uniformly; adding light calcium carbonate, stirring, and keeping
(3) And (3) putting the coating prepared in the step (2) into a forming groove with heat preservation measures (the heat preservation range of the forming groove is 150-160 ℃), enabling a high polymer polyester film matrix with the thickness of 0.8mm to pass through the forming groove at the speed of 35m/min, enabling the coating to be adhered to the matrix, enabling the coating to pass through a double roller with the distance of 2mm, then covering an isolation film (polyethylene film isolation film) on two sides of the coiled material, cooling and rolling to obtain the 2mm high polymer polyester film matrix dry-wet dual-purpose waterproof coiled material.
Example 4
Embodiment 4 discloses a wet and dry waterproof roll, which comprises the following raw materials in parts by weight: 60 parts of petroleum asphalt, 8 parts of glass fiber, 8 parts of plasticizer, 15 parts of tackifying resin, 9 parts of high-molecular modifier, 15 parts of water-absorbing resin and 20 parts of light calcium carbonate;
the tackifying resin is a mixture of rosin modified phenolic resin and terpene resin which are treated by strong alkali; the weight ratio of the rosin modified phenolic resin to the terpene resin is 1:1;
the weight ratio of the polymer modifier is 1:2, a mixture of an SBR modifier and an SBS modifier;
the water-absorbing resin is sodium polyacrylate with the molecular weight of more than 200 ten thousand, and the plasticizer is machine oil 46#.
Embodiment 4 provides a method for manufacturing a wet and dry waterproof roll, including the steps of:
(1) Grinding and stirring petroleum asphalt and a high molecular modifier for 2 hours at 200 ℃;
(2) Cooling the mixture obtained in the step (1) to 180 ℃, adding water-absorbent resin, glass fiber, plasticizer and tackifying resin, and mixing and stirring uniformly; adding light calcium carbonate, stirring, and keeping
(3) And (3) putting the coating prepared in the step (2) into a forming groove with heat preservation measures (the heat preservation range of the forming groove is 150-160 ℃), enabling a high polymer polyester film matrix body with the thickness of 0.8mm to pass through the forming groove at the speed of 35m/min, enabling the coating to be adhered to the matrix body, enabling the coating to pass through two rollers with the distance of 2mm, then covering isolation films (polyethylene film isolation films) on two sides of the coiled material, cooling and rolling to obtain the 2mm high polymer polyester film matrix dry-wet dual-purpose waterproof coiled material.
Comparative example 1
The waterproofing membrane according to comparative example 1 is different from the waterproofing membrane of wet and dry type according to example 1 in that: the waterproof roll material described in comparative example 1 contained no raw material water-absorbent resin. The other raw materials and the preparation method are the same as those of the example 1.
Comparative example 2
The waterproofing sheet according to comparative example 2 is different from the waterproofing sheet of wet and dry type according to example 2 in that: the waterproof roll material of comparative example 2 did not contain raw glass fiber. The other raw materials and the preparation method are the same as those of the example 2.
The performance research of the dry-wet dual-purpose waterproof roll material is carried out according to the requirements of GB/T35467-2017 'wet-laid waterproof roll material' and GB23441-2009 'self-adhesive polymer modified asphalt waterproof roll material', and the test results are shown in Table 1:
TABLE 1
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (7)
1. A dry-wet dual-purpose waterproof coiled material is characterized by comprising the following raw materials in parts by weight: 50-60 parts of petroleum asphalt, 5-8 parts of glass fiber, 5-8 parts of plasticizer, 5-15 parts of tackifying resin, 6-9 parts of high-molecular modifier, 10-15 parts of water-absorbing resin and 15-20 parts of light calcium carbonate.
2. The waterproof roll material for both dry and wet use according to claim 1, which is characterized by comprising the following raw materials in parts by weight: 52-58 parts of petroleum asphalt, 6-7 parts of glass fiber, 6-7 parts of plasticizer, 8-12 parts of tackifying resin, 7-8 parts of high molecular modifier, 12-14 parts of water-absorbing resin and 16-18 parts of light calcium carbonate.
3. The waterproof roll material for both dry and wet use according to claim 1, which is characterized by comprising the following raw materials in parts by weight: 55 parts of petroleum asphalt, 6 parts of glass fiber, 7 parts of plasticizer, 10 parts of tackifying resin, 8 parts of high molecular modifier, 12 parts of water-absorbent resin and 16 parts of light calcium carbonate.
4. The water-proof coiled material for both dry and wet use according to claim 1, wherein the tackifying resin is a mixture of rosin-modified phenolic resin and terpene resin treated with strong alkali; the weight ratio of the rosin modified phenolic resin to the terpene resin is 5-8:3-5.
5. The waterproof roll material as claimed in claim 1, wherein the polymer modifier is a mixture of SBR modifier and SBS modifier.
6. The dry-wet dual-purpose waterproof roll according to claim 1, wherein the water-absorbent resin is sodium polyacrylate with a molecular weight of more than 200 ten thousand.
7. The method for manufacturing a wet-dry waterproof roll according to any one of claims 1 to 6, comprising the steps of:
(1) Grinding and stirring petroleum asphalt and a high molecular modifier at 190-200 ℃ for 1.5-2h;
(2) Cooling the mixture obtained in the step (1) to 160-180 ℃, adding water-absorbent resin, glass fiber, plasticizer and tackifying resin, and mixing and stirring uniformly; then adding light calcium carbonate, and uniformly stirring for later use;
(3) Putting the coating prepared in the step (2) into a forming groove with heat preservation measures, enabling the matrix to pass through the forming groove, enabling the coating to be adhered to the matrix, adjusting the thickness of the coiled material through the distance between two rollers, then covering isolation films on two sides of the coiled material, cooling and rolling to obtain the dry-wet dual-purpose waterproof coiled material;
or coating the paint prepared in the step (2) on a polymer film, and preparing the tubeless dry-wet dual-purpose waterproof roll material through rolling and film covering processes.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211665731.9A CN115785845A (en) | 2022-12-23 | 2022-12-23 | Dry-wet dual-purpose waterproof roll and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211665731.9A CN115785845A (en) | 2022-12-23 | 2022-12-23 | Dry-wet dual-purpose waterproof roll and preparation method thereof |
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| CN115785845A true CN115785845A (en) | 2023-03-14 |
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| CN202211665731.9A Pending CN115785845A (en) | 2022-12-23 | 2022-12-23 | Dry-wet dual-purpose waterproof roll and preparation method thereof |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1888350A (en) * | 2006-07-31 | 2007-01-03 | 王天星 | Wet coating self-adhering waterproof coiled material and producing method and construction method thereof |
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| CN113136107A (en) * | 2021-03-25 | 2021-07-20 | 鞍山科顺建筑材料有限公司 | Petroleum coke high polymer modified asphalt waterproof coiled material and preparation method thereof |
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| CN1888350A (en) * | 2006-07-31 | 2007-01-03 | 王天星 | Wet coating self-adhering waterproof coiled material and producing method and construction method thereof |
| CN107663436A (en) * | 2016-07-30 | 2018-02-06 | 广东欣涛新材料科技股份有限公司 | A kind of response type laminated adhesive production technology for non-bituminous waterproof roll |
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| CN110746929A (en) * | 2019-10-14 | 2020-02-04 | 四川东方雨虹建筑材料有限公司 | Self-adhesive modified asphalt waterproof coiled material coating material, preparation method thereof and aluminum foil surface self-adhesive asphalt waterproof coiled material special for passive building |
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