CN212446615U - Waterproof coiled material - Google Patents
Waterproof coiled material Download PDFInfo
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- CN212446615U CN212446615U CN201821767775.1U CN201821767775U CN212446615U CN 212446615 U CN212446615 U CN 212446615U CN 201821767775 U CN201821767775 U CN 201821767775U CN 212446615 U CN212446615 U CN 212446615U
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Abstract
The utility model belongs to the technical field of waterproofing membrane, a waterproofing membrane is disclosed, this waterproofing membrane includes from the top heat preservation, polyvinyl chloride waterproof layer, cement base infiltration crystallization type dope layer and the self-adhesive layer that stack set up in proper order, is provided with the water guide in the self-adhesive layer. The utility model discloses a waterproofing membrane, including heat preservation, polyvinyl chloride waterproof layer, cement base infiltration crystallization type waterproof coating layer and the self-adhesive layer that from the top superposes in proper order and sets up, be provided with the water guide body in the self-adhesive layer, waterproofing membrane has good waterproof permeability, toughness and stretch-proofing ability, and can be in the crack in the selfreparing concrete of effective waterproof permeability, by the surface improve the waterproof prevention of seepage ability of concrete jointly to the lining.
Description
Technical Field
The utility model belongs to the technical field of waterproofing membrane, in particular to waterproofing membrane.
Background
Cracks are generated in the concrete in the construction process or under the condition of incomplete maintenance, water easily permeates into the concrete due to the reasons, calcium hydroxide in the concrete is dissolved and lost, a passive film of hydrogen hydroxide on the surface of a steel bar is damaged, the steel bar is easy to corrode and rust, the expansion stress generated by rust can crack the surrounding concrete, the invasion of water and a corrosive medium is further increased, and the safety performance of a concrete structure is influenced; moreover, the infiltrated water can react with the active harmful minerals of the coarse and fine aggregates in the concrete to generate expansion stress, thereby further shortening the service life of the building.
Therefore, how to improve the waterproof performance of concrete has been the focus of social attention and research. The utility model discloses a chinese utility model patent that publication number is CN 202989770U discloses a self-adhesion polyvinyl chloride waterproofing membrane, and this waterproofing membrane includes polyvinyl chloride basic unit, and polyvinyl chloride basic unit's two surfaces are equipped with respectively from the viscose layer, and the another side from the viscose layer is equipped with the isolation layer, can reach self-adhesion waterproof protection integration, realizes the one deck coiled material, and the twice is set up defences. However, the waterproof roll only depends on the polyvinyl chloride polymer waterproof layer in the waterproof roll for blocking moisture, and can only prevent the moisture on the working surface of the roll from permeating into the cracks of the concrete, and the cracks generated in the concrete can only be repaired and re-constructed manually, and the underground or hidden position cannot be repaired manually at all, so that a large amount of manpower and material resources are wasted.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a waterproofing membrane, this waterproofing membrane can be in the while of effective infiltration of water selfreparing crack in the concrete, improves the waterproof prevention of seepage ability of concrete.
In order to realize the above purpose, the utility model discloses a technical scheme provide a waterproofing membrane, this waterproofing membrane includes from the top stack heat preservation, polyvinyl chloride waterproof layer, cement base infiltration crystallization type water proof coating layer and the self-adhesive layer that sets up in proper order, be provided with the water guide body in the self-adhesive layer.
Preferably, the water guide body is in a circular truncated cone shape, and the diameter length of the end face of the water guide body contacting with the cement-based permeable crystallization type waterproof coating layer is larger than the diameter length of the other end face of the water guide body.
Preferably, the heat-insulating layer is a rigid foam polyurethane layer.
Preferably, the self-adhesive layer is a butyl rubber hot-melt adhesive layer.
Preferably, the self-adhesive layer is provided with a barrier layer on its underside.
Preferably, the isolation layer is a silicon oil aluminum film layer or PE isolation paper or an isolation film.
Preferably, an adhesive layer is arranged between the polyvinyl chloride waterproof layer and the cement-based permeable crystallization type waterproof coating layer.
Preferably, the adhesive layer is a butyl rubber hot melt adhesive layer.
Preferably, a reinforcing layer is arranged between the self-adhesive layer and the cement-based permeable crystallization type waterproof coating layer.
The utility model discloses following beneficial effect has been gained:
1. the utility model discloses a waterproof coiled material, including from the top down superpose the heat preservation that sets up in proper order, polyvinyl chloride waterproof layer, cement base infiltration crystallization type waterproof coating layer and self-adhesive layer, be provided with the water guide body in the self-adhesive layer, waterproof coiled material has good waterproof permeability, toughness and tensile resistance, and can be in the effective waterproof permeability while selfreparing the crack in the concrete, improve the waterproof seepage-proofing ability of concrete jointly from the surface to the inside;
2. the utility model discloses a waterproof coiled material, crack through the concrete upwards contacts with the self-adhesion layer when moisture, the intraformational water conductor of self-adhesion conducts water to cement base infiltration crystalline form waterproof coating layer fast, perhaps upper waterproof material is damaged, moisture infiltration gets off, contain active chemical substance in the cement base infiltration crystalline form waterproof coating layer and use water to permeate to the inside hole of concrete as the carrier, corrode concrete inner structure, interact with free calcium oxide in the concrete, form infiltration crystalline substance calcium sulphoaluminate 3 CaO. Al2O 3. CaSO 4. 32H2O, deposit in the concrete hole, crack and capillary hole in the filling concrete play the effect of self-healing concrete crack; in addition, because the hydration reaction of cement in concrete belongs to incomplete reaction, the waterproof coating layer can resist seepage for many times, and as long as the interior of the structure does not lose water, the reaction can be carried out for a long time, crystal substances can be generated all the time, and cracks of the concrete can be filled;
3. the utility model discloses a waterproofing membrane, cement base capillary crystalline waterproofing coating layer can not use under frost or the icing environment, and the low temperature environment can influence hydration degree, the reaction rate of cement base capillary crystalline waterproofing coating layer to can reduce the quality of solidification coating, make the material can not good performance its selfreparing effect, the utility model discloses a composite waterproofing membrane's top layer is provided with the heat preservation, guarantees the operating temperature of cement base capillary crystalline waterproofing coating layer, is applicable to multiple ambient temperature;
4. the utility model discloses a waterproofing membrane, cement base capillary crystalline waterproof coating layer are a rigid material, and its surface lacks viscidity, and other coatings coat and have the phenomenon that the adhesion is not firm, have the space on its surface easily, the utility model discloses a cement base capillary crystalline waterproof coating layer through adhesive layer and polyvinyl chloride waterproof layer adhesion, realize its adhesion with the base plate through the self-adhesive layer, four layers seamless bonding are as an organic whole, and self-adhesive layer and adhesive layer are butyl rubber hot melt adhesive layer, the melt mobility of butyl rubber hot melt adhesive is good, can seal the slight crack in the cement base capillary crystalline waterproof coating layer, has further strengthened waterproof material's prevention of seepage water nature;
5. the utility model discloses a waterproofing membrane, adhesive layer and self-adhesive layer are butyl rubber hot melt adhesive layer, and butyl rubber hot melt adhesive has certain toughness and stretch-proofing performance, and two-layer synergism has increased the shock resistance of material, can effectively absorb the impact force when waterproofing membrane receives the impact, protection coiled material;
6. the utility model discloses a waterproofing membrane, during the construction, uncovers the isolation layer on the self-adhesive layer, just can paste, and the construction is simple, convenient, safe quick, can directly glue on substrates such as cement, metal, timber, glass.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic sectional view of the waterproof roll of the present invention.
In the figure, 1, an insulating layer; 2. a polyvinyl chloride waterproof layer; 3. a cement-based capillary crystalline waterproof coating layer; 4. a self-adhesive layer; 41. a water conducting body; 5. an isolation layer; 6. an enhancement layer; 7. and (6) an adhesive layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1, the utility model discloses a waterproofing membrane includes from the top in proper order the stack heat preservation 1 that sets up, polyvinyl chloride waterproof layer 2, cement base infiltration crystallization type water proof coating layer 3 and self-adhesive layer 4, is provided with water guide 41 in the self-adhesive layer 4. When water upwards contacts with the self-adhesive layer 4 through the crack of the concrete, the water guide body 41 in the self-adhesive layer 4 quickly guides the water to the cement-based permeable crystalline waterproof coating layer 3, active chemical substances contained in the cement-based permeable crystalline waterproof coating layer 3 permeate into the internal pore space of the concrete by taking the water as a carrier to corrode the interior of the concrete structure, free calcium oxide in the concrete interacts with the active substances to form a permeable crystalline calcium sulphoaluminate 3 CaO-Al2O3·CaSO4·32H2And O, the crystal is insoluble in water and can be precipitated into concrete pores to fill cracks and capillary pores in the concrete and play a role in self-healing concrete cracks. In addition, because the hydration reaction of cement in concrete belongs to incomplete reaction, the waterproof coating layer can resist seepage for many times, as long as the structure does not lose water, the reaction can be carried out for a long time, crystal can be generated all the time, and even if water penetrates through the waterproof coiled material, the waterproof coiled material still has the self-healing capability.
The water guide body 41 is made of a water guide material by the following method: the water-conducting material with excellent water-conducting function is prepared by adopting water-absorbing organic dendrimer polyacrylamide as a binder, compounding the water-absorbing organic dendrimer polyacrylamide with superfine montmorillonite particles according to the mass ratio of 1:10 to form a colloidal solution, and coating the colloidal solution on the surface of natural plant fibers. Referring to fig. 1, the water guide body 41 is in a circular truncated cone shape, the diameter of the end surface of the water guide body 41 contacting the cement-based permeable crystalline waterproof coating layer 3 is longer than the diameter of the other end surface of the water guide body 41, such a structural arrangement increases the contact area between the water guide body 41 and the cement-based permeable crystalline waterproof coating layer 3, provides moisture for the cement-based permeable crystalline waterproof coating layer 3 as much as possible under the condition that moisture in a concrete crack is upward, and forms a funnel structure with a wide upper part and a narrow lower part, so that more active chemical substances in the cement-based permeable crystalline waterproof coating layer 3 can be concentrated in a certain crack of the concrete, and the repair of the concrete crack is accelerated.
The utility model discloses a heat preservation 1 is the rigid foam polyurethane layer, can adopt the method of spraying to coat rigid foam polyurethane at polyvinyl chloride waterproof layer 2 upper surface. The cement-based permeable crystallization type waterproof coating layer 3 can not be used in frost or icing environment, the hydration degree and the reaction speed of the cement-based permeable crystallization type waterproof coating layer 3 can be influenced in low-temperature environment, the quality of a cured coating can be reduced, and the self-repairing function of the material can not be well exerted. The setting of heat preservation 1 has guaranteed the operating temperature of cement base infiltration crystallization type waterproof coating layer 3, makes the utility model discloses a compound waterproofing membrane is applicable to multiple ambient temperature.
The utility model discloses a self-adhesive layer 4 is butyl rubber hot melt adhesive layer. The butyl rubber hot melt adhesive has good cohesiveness, and can better paste the cement-based permeable crystallization type waterproof coating layer 3 which is a rigid material on the base layer. Referring again to fig. 1, the underside of the self-adhesive layer 4 is provided with a barrier layer 5. The isolation layer 5 can be a silicon oil aluminum film layer or PE isolation paper or an isolation film. During site operation, tear isolation layer 5 from waterproofing membrane, can lay waterproofing membrane and paste on the basic unit after the arrangement, construction convenience is swift.
Referring to fig. 1 again, an adhesive layer 7 is disposed between the pvc waterproof layer 2 and the cement-based permeable crystalline waterproof coating layer 3. The adhesive layer 7 is a butyl rubber hot melt adhesive layer. The butyl rubber hot melt adhesive has good cohesiveness, can seamlessly bond the cement-based capillary crystalline waterproof coating layer 3 which is made of rigid material and the polyvinyl chloride waterproof layer 2 into a whole, has good melt fluidity, can seal fine cracks in the cement-based capillary crystalline waterproof coating layer 3, and further enhances the water permeability resistance of the waterproof roll. And the adhesive layer 7 and the self-adhesive layer 4 are both butyl rubber hot melt adhesive layers, the butyl rubber hot melt adhesive has certain toughness and tensile resistance, the impact resistance of the material is increased by the synergistic effect of the two layers, and the impact force can be effectively absorbed when the waterproof coiled material is impacted, so that the coiled material is protected.
Referring to fig. 1, a reinforcing layer 6 is disposed between the self-adhesive layer 4 and the cement-based permeable crystallization waterproof coating layer 3. In this embodiment, the reinforcing layer 6 is a polypropylene filament nonwoven reinforcing layer 6. Of course, in other embodiments, the reinforcement layer 6 may also be a polyester filament geotextile layer. The arrangement of the reinforcing layer 6 can effectively enhance the tensile strength and the tearing resistance of the waterproof roll.
It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Claims (9)
1. A waterproof roll material is characterized in that: the waterproof coating comprises a heat insulation layer (1), a polyvinyl chloride waterproof layer (2), a cement-based capillary crystalline waterproof coating layer (3) and a self-adhesive layer (4) which are sequentially stacked from top to bottom, wherein a water guide body (41) is arranged in the self-adhesive layer (4).
2. A waterproofing roll according to claim 1, wherein: the water guide body (41) is in a circular truncated cone shape, and the diameter length of the end face, contacting the cement-based permeable crystallization type waterproof coating layer (3), of the water guide body (41) is larger than that of the other end face of the water guide body (41).
3. A waterproofing roll according to claim 1, wherein: the heat-insulating layer (1) is a rigid foam polyurethane layer.
4. A waterproofing roll according to claim 1, wherein: the self-adhesive layer (4) is a butyl rubber hot-melt adhesive layer.
5. A waterproofing roll according to claim 1, wherein: the lower side of the self-adhesive layer (4) is provided with an isolating layer (5).
6. A waterproofing roll according to claim 5, wherein: the isolation layer (5) is a silicon oil aluminum film layer or PE isolation paper or an isolation film.
7. A waterproofing roll according to claim 1, wherein: an adhesive layer (7) is arranged between the polyvinyl chloride waterproof layer (2) and the cement-based permeable crystallization type waterproof coating layer (3).
8. A waterproofing roll according to claim 7, wherein: the adhesive layer (7) is a butyl rubber hot-melt adhesive layer.
9. A waterproofing roll according to claim 1, wherein: and an enhancement layer (6) is arranged between the self-adhesive layer (4) and the cement-based permeable crystallization type waterproof coating layer (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821767775.1U CN212446615U (en) | 2018-10-25 | 2018-10-25 | Waterproof coiled material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821767775.1U CN212446615U (en) | 2018-10-25 | 2018-10-25 | Waterproof coiled material |
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| Publication Number | Publication Date |
|---|---|
| CN212446615U true CN212446615U (en) | 2021-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821767775.1U Active CN212446615U (en) | 2018-10-25 | 2018-10-25 | Waterproof coiled material |
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| CN (1) | CN212446615U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114055897A (en) * | 2021-11-15 | 2022-02-18 | 广东天骄建材有限公司 | Novel pre-laid anti-sticking waterproof coiled material and preparation method and application thereof |
-
2018
- 2018-10-25 CN CN201821767775.1U patent/CN212446615U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114055897A (en) * | 2021-11-15 | 2022-02-18 | 广东天骄建材有限公司 | Novel pre-laid anti-sticking waterproof coiled material and preparation method and application thereof |
| CN114055897B (en) * | 2021-11-15 | 2023-12-08 | 广东天骄建材有限公司 | Pre-laid anti-sticking waterproof coiled material and preparation method and application thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A waterproof roll material Effective date of registration: 20230927 Granted publication date: 20210202 Pledgee: Bank of China Limited Xiangyang Branch Pledgor: HUBEI JOYOUNG WATERPROOFING MATERIAL TECHNOLOGY Co.,Ltd. Registration number: Y2023980059545 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |