CN212128052U - Self-adhesive polymer modified asphalt waterproof coiled material - Google Patents
Self-adhesive polymer modified asphalt waterproof coiled material Download PDFInfo
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- CN212128052U CN212128052U CN202020413761.0U CN202020413761U CN212128052U CN 212128052 U CN212128052 U CN 212128052U CN 202020413761 U CN202020413761 U CN 202020413761U CN 212128052 U CN212128052 U CN 212128052U
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Abstract
The utility model discloses a self-adhesive polymer modified asphalt waterproof coiled material, which relates to the technical field of waterproof coiled materials and comprises a base, wherein the base is polyester fiber non-woven fabric; an isolation layer is arranged on the upper surface of the tire base; fine sand is uniformly filled between the isolation layer and the base; and a modified asphalt layer and an isolating membrane are sequentially arranged below the base. The utility model discloses have good percentage elongation and tensile strength, improve waterproof performance's effect.
Description
Technical Field
The utility model belongs to the technical field of waterproofing membrane technique and specifically relates to a self-adhesion polymer modified asphalt waterproofing membrane is related to.
Background
The waterproof coiled material is mainly used for building walls, roofs, tunnels, highways, refuse landfills and the like, can be curled into a roll-shaped flexible building material product for resisting external rainwater and underground water leakage, is used as a leakage-free connection between an engineering foundation and a building, is a waterproof first barrier of the whole engineering, and plays a vital role in the whole engineering.
The existing waterproof coiled material generally has no base, low tensile strength and poor fatigue resistance, so that the waterproof effect and strength of the waterproof coiled material are weakened, and the service life of the waterproof coiled material is further shortened.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a self-adhesion polymer modified asphalt waterproofing membrane has good percentage elongation and tensile strength, has improved waterproof performance.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a self-adhesive polymer modified asphalt waterproof coiled material comprises a base, wherein the base is polyester fiber non-woven fabric; an isolation layer is arranged on the upper surface of the tire base; fine sand is uniformly filled between the isolation layer and the base; and a modified asphalt layer and an isolating membrane are sequentially arranged below the base.
Through adopting above-mentioned technical scheme, set up child base, compare the waterproofing membrane who does not have child base, have excellent elongation and tensile strength, to the flexible strong adaptability that cracks of basic unit. The polyester fiber non-woven fabric is a fabric formed without spinning woven fabric, and is formed by only carrying out directional or random arrangement on textile short fibers or filaments to form a fiber web structure and then reinforcing the fiber web structure by adopting a mechanical method, a thermal bonding method or a chemical method. The polyester fiber non-woven fabric is used as a base, has fatigue resistance and puncture resistance, and can resist corrosion. And filling fine sand between the isolation layer and the base, and uniformly paving the fine sand on the surface of the base to form a protective layer. Because the surface of the fine sand is irregular, the bonding force with cement can be improved, the bonding between the cement section and the waterproof coiled material is better, the water channeling of the bonding surface is prevented, and the defect of different material affinities can be overcome. The whole structure is cold constructed, open fire is not needed, an adhesive is not used, and the method has no pollution to the environment and has the effect of environmental protection.
The present invention may be further configured in a preferred embodiment as: the isolation layer is a polyethylene film.
Through adopting above-mentioned technical scheme, set up one deck polyethylene film at the upper surface of child base, can improve the guard action to waterproofing membrane on the one hand, on the other hand can play the effect of waterproof prevention of seepage isolation once more. The polyethylene film has good waterproofness and strong elongation, improves the puncture resistance of the waterproof roll, and has good waterproof effect on buildings.
The present invention may be further configured in a preferred embodiment as: one side of the waterproof roll is provided with a connecting part; the connecting part comprises an adhesive layer arranged on one side of the modified asphalt layer and isolation paper attached to the upper surface of the adhesive layer; the thickness of the bonding layer is consistent with that of the modified asphalt layer; one side of the isolation film and one side of the base extend outwards, and the width of the extended isolation film is the same as that of the adhesive layer.
Through adopting above-mentioned technical scheme, when laying waterproofing membrane, at first peel off the barrier paper for the lower terminal surface on modified asphalt layer bonds in ground, tears the barrier paper on the adhesive linkage, and the last terminal surface overlap joint of the lower terminal surface of the barrier film that extends another waterproofing membrane and this adhesive linkage again makes another waterproofing membrane's barrier film and this waterproofing membrane's connecting portion be connected fixedly.
Set up connecting portion and can further strengthen the connection between the adjacent waterproofing membrane, can consolidate the clearance between the adjacent waterproofing membrane for two waterproofing membrane's connection is inseparabler, can not take place to stick up the limit and lead to ponding to take place the seepage from two waterproofing membrane junctions, further improves waterproofing membrane's waterproof performance.
The present invention may be further configured in a preferred embodiment as: a first limiting groove is formed in the bonding layer; the lower end face of the extending isolation film is provided with a first limiting strip matched with the first limiting groove.
Through adopting above-mentioned technical scheme, set up first spacing groove and first spacing cooperation and use, can further improve the area of contact of adhesive linkage and barrier film for two waterproofing membrane's junction is more stable firm.
The present invention may be further configured in a preferred embodiment as: two second limiting strips are arranged on the lower end face of the tire base at intervals; two second limiting grooves matched with the second limiting strips are formed in the upper end face of the modified asphalt layer at intervals; the two second limiting grooves are respectively close to two sides of the modified asphalt layer.
Through adopting above-mentioned technical scheme, increase second spacing groove and the spacing strip of second, can improve the area of contact of modified asphalt layer and child base for modified asphalt layer and child base bonding are more firm, further can improve waterproofing membrane's tensile resistance.
The present invention may be further configured in a preferred embodiment as: a plurality of V-shaped grooves are formed in the upper end face of the isolation layer; the V-shaped grooves are arranged at intervals along the length direction of the isolation layer.
Through adopting above-mentioned technical scheme, the setting in a plurality of V-arrangement grooves has increased isolation layer and the sectional area of contact of cement, further can improve the adhesion with cement, prevents that the surface of bonding from scurrying water.
The present invention may be further configured in a preferred embodiment as: the upper end surface of the bonding layer is formed with a bonding strip; the bonding strip is positioned on one side, close to the asphalt layer, of the first limiting groove and bonded with one side, away from the connecting part, of the tire base; the release paper is coated on the surface of the adhesive strip; one side shaping that the child base deviates from connecting portion has and keeps away the groove with bonding strip complex.
Through adopting above-mentioned technical scheme, set up the bonding strip, increased the area of contact of two waterproofing membrane junctions, can improve the connection between two waterproofing membrane for two waterproofing membrane's end connection is more reliable.
The present invention may be further configured in a preferred embodiment as: the cross section of the first limiting groove is in an isosceles trapezoid shape, and the lower bottom of the first limiting groove is located at the groove opening.
Through adopting above-mentioned technical scheme, set up the width of first spacing groove notch into the tank bottom width that is greater than first spacing groove, when bonding two waterproofing membrane, first spacing can conveniently fill in first spacing inslot, is favorable to improving the efficiency to the waterproofing membrane construction.
The present invention may be further configured in a preferred embodiment as: the adhesive layer is a pressure-sensitive adhesive layer.
Through adopting above-mentioned technical scheme, pressure-sensitive can be repeatedly bonded, and viscidity is good. When having connected two waterproofing membrane again, prevent that both bonds and do not align, can tear repeatedly and bond again, improve waterproofing membrane's utilization ratio greatly. Pressure-sensitive adhesive possesses lasting high viscosity, and pressure-sensitive adhesive layer can be abundant and the object adhesion after fully exerting pressure to it when using, and it is very strong to glue to cover the effect, has firm adhesion, sets up on waterproofing membrane, and under the cement effect of waterproofing membrane top, pressure-sensitive adhesive layer can make and bond more firmly between two waterproofing membrane.
To sum up, the utility model discloses following beneficial effect has:
1. compared with a waterproof coiled material without the base, the base has excellent elongation and tensile strength and strong adaptability to the expansion or cracking of a base layer, and the polyester fiber non-woven fabric is used as the base, has fatigue resistance and puncture resistance and can resist corrosion;
2. the connecting parts are arranged to further strengthen the connection between the adjacent waterproof rolls, and the gap between the adjacent waterproof rolls can be reinforced, so that the connection between the two waterproof rolls is tighter, the phenomenon that accumulated water leaks from the joint of the two waterproof rolls due to edge warping can be avoided, and the waterproof performance of the waterproof rolls is further improved;
3. the setting in a plurality of V-arrangement grooves has increased the area of contact of isolation layer with the cement section, further can improve the adhesion with cement, prevents that the surface of bonding from scurrying water.
Drawings
FIG. 1 is a schematic overall structure diagram of the first embodiment;
FIG. 2 is a schematic view of the overall structure of the second embodiment;
FIG. 3 is an enlarged schematic view of portion A of FIG. 2;
fig. 4 is a schematic view showing the connection of two waterproofing rolls in the second embodiment.
Reference numerals: 1. a fetal base; 11. a second limit strip; 12. an avoidance groove; 2. an isolation layer; 21. a V-shaped groove; 3. modifying the asphalt layer; 31. a second limit groove; 4. an isolation film; 41. a first limit strip; 5. a connecting portion; 51. an adhesive layer; 511. a first limit groove; 52. release paper; 53. bonding the strips; 6. and (4) an anticorrosive layer.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment is as follows:
referring to fig. 1, for the utility model discloses a self-adhesion polymer modified asphalt waterproofing membrane, including child base 1, set up in the isolation layer 2 of child base 1 upper surface, set gradually in modified asphalt layer 3 and the barrier film 4 of child base 1 lower surface.
Referring to fig. 1, the base 1 is a polyester fiber nonwoven fabric, which has advantages of fatigue resistance and puncture resistance, and is also corrosion resistant. The isolation layer 2 is a polyethylene film, so that the protection effect on the waterproof coiled material can be improved on one hand, and the effect of preventing water and seepage for isolation again can be achieved on the other hand. The modified asphalt layer 3 is doped with a tackifying material, and the tackifying material is preferably tackifying resin to improve the viscosity of the modified asphalt layer 3. The isolation film 4 is a silicon-coated isolation film 4, and can protect the modified asphalt layer 3.
Referring to fig. 1, in order to improve the bonding force between the waterproof roll and the cement, the cement section is better bonded with the waterproof roll, and the water is prevented from flowing through the bonding surface, and fine sand is uniformly filled between the isolation layer 2 and the base 1.
The implementation principle of the embodiment is as follows: when in use, the base 1 made of the polyester fiber non-woven fabric can improve the tensile strength and the puncture resistance of the waterproof roll. The protection to waterproofing membrane can be strengthened to isolation layer 2 for waterproofing membrane's life is longer. In addition, the adhesion strength between the waterproof coiled material and the working surface can be enhanced by doping the tackifying material in the modified asphalt layer, so that the waterproof effect of the waterproof coiled material is better. The silicon-coated barrier film 4 can further enhance the protection of the modified asphalt layer 3.
Example two:
referring to fig. 2, the difference from the first embodiment is that a plurality of V-shaped grooves 21 are formed on the upper end surface of the isolation layer 2, the plurality of V-shaped grooves 21 are arranged at intervals along the length direction of the isolation layer 2, and the length direction of the V-shaped grooves 21 is the same as the width direction of the isolation layer 2. Still be provided with one deck anticorrosive coating 6 between child base 1 and isolation layer 2, can improve the protection to waterproofing membrane for waterproofing membrane is difficult for taking place to rot.
Referring to fig. 2, two second limiting strips 11 are fixed on the lower end face of the tire base 1 at intervals, two second limiting grooves 31 matched with the second limiting strips 11 are arranged on the upper end face of the modified asphalt layer 3 at intervals, and the two second limiting grooves 31 are respectively close to two sides of the modified asphalt layer 3 so as to improve the composite effect of the tire base 1 and the modified asphalt and have excellent tensile strength.
Referring to fig. 2 and 3, in order to facilitate connection between two adjacent waterproofing rolls, a connecting portion 5 is fixed to one side of the waterproofing roll. The connecting portion 5 includes an adhesive layer 51 and a release paper 52.
Referring to fig. 3, the adhesive layer 51 is preferably a pressure-sensitive adhesive layer, which can improve the connection strength between two adjacent waterproofing membranes, and the pressure-sensitive adhesive layer can be repeatedly bonded for use, so as to improve the utilization rate of the waterproofing membranes. The adhesive layer 51 is adhered and fixed on one side of the modified asphalt layer 3, the upper end face of the adhesive layer 51 is provided with a first limit groove 511, and the lower end face of the adhesive layer 51 is flush with the lower end face of the modified asphalt layer 3. The cross section of the first limiting groove 511 is isosceles trapezoid, and the bottom of the first limiting groove 511 is located at the notch.
Referring to fig. 3 and 4, an adhesive strip 53 is formed on the upper end surface of the adhesive layer 51, and the material of the adhesive strip 53 is the same as that of the adhesive layer 51. The bonding strip 53 is located the one side that first spacing groove 511 is close to the pitch layer and bonds with the one side that base 1 deviates from connecting portion 5, and the up end of bonding strip 53 is the up end parallel and level with base 1. An avoiding groove 12 matched with the adhesive strip 53 is formed on one side of the tire base 1, which is far away from the connecting part 5.
Referring to fig. 3 and 4, one sides of the isolation film 4 and the base 1 departing from the connecting portion 5 both extend outwards, and the width of the isolation film 4 after extension is the same as the width of the adhesive layer 51, so that after the isolation film 4 and the base 1 on one waterproof roll are adhered to the adhesive layer 51 on another waterproof roll, the whole body is smoother.
Referring to fig. 4, a first limiting strip 41 matched with the first limiting groove 511 is fixed on the lower end surface of the extended isolation film 4, so that the contact area between the isolation film 4 of one waterproof roll and the connecting part 5 on the other waterproof roll is increased, and the connection between the isolation film 4 and the other waterproof roll is firmer.
Referring to fig. 3, the release paper 52 covers the surfaces of the adhesive tape 53 and the adhesive layer 51 to protect the adhesiveness of the adhesive tape 53 and the adhesive layer 51, and the release paper 52 can be removed to bond them at the time of use.
The implementation principle of the embodiment is as follows: when the waterproof roll is used, the isolation film 4 on the lower surface of the waterproof roll is firstly torn off, and the waterproof roll is fixed at a position needing waterproof. And tearing off the bonding strip 53 and the release paper 52 on the bonding layer 51, aligning the first limit strip 41 on the other waterproof roll to the first limit groove 511 on the waterproof roll, so that the base 1 of the other waterproof roll is bonded and fixed with the bonding strip 53 and the bonding layer 51, the connection and fixation of the two waterproof rolls are completed, and the upper and lower ends of the two waterproof rolls are flat. And finally, waterproof glue is coated at the joint of the two waterproof rolls, so that the connection of the two waterproof rolls is enhanced, and the waterproof roll has an excellent waterproof effect.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (9)
1. A self-adhesive polymer modified asphalt waterproof coiled material is characterized in that: the tire base comprises a tire base (1), wherein the tire base (1) is a polyester fiber non-woven fabric; an isolation layer (2) is arranged on the upper surface of the tire base (1); fine sand is uniformly filled between the isolation layer (2) and the base (1); and a modified asphalt layer (3) and an isolating membrane (4) are sequentially arranged below the base (1).
2. The self-adhesive polymer modified asphalt waterproofing membrane of claim 1, characterized in that: the isolation layer (2) is a polyethylene film.
3. The self-adhesive polymer modified asphalt waterproofing membrane of claim 1, characterized in that: one side of the waterproof roll is provided with a connecting part (5); the connecting part (5) comprises an adhesive layer (51) arranged on one side of the modified asphalt layer (3) and release paper (52) attached to the upper surface of the adhesive layer (51); the thickness of the bonding layer (51) is consistent with that of the modified asphalt layer (3); one sides of the isolation film (4) and the base (1) extend outwards, and the width of the extended isolation film (4) is the same as that of the adhesive layer (51).
4. The self-adhesive polymer modified asphalt waterproofing membrane of claim 3, characterized in that: a first limit groove (511) is formed in the bonding layer (51); the lower end face of the extended isolation membrane (4) is provided with a first limiting strip (41) matched with the first limiting groove (511).
5. The self-adhesive polymer modified asphalt waterproofing membrane of claim 1, characterized in that: two second limiting strips (11) are arranged on the lower end face of the tire base (1) at intervals; two second limiting grooves (31) matched with the second limiting strips (11) are arranged on the upper end face of the modified asphalt layer (3) at intervals; the two second limiting grooves (31) are respectively close to two sides of the modified asphalt layer (3).
6. The self-adhesive polymer modified asphalt waterproofing membrane of claim 1, characterized in that: a plurality of V-shaped grooves (21) are formed on the upper end surface of the isolation layer (2); the V-shaped grooves (21) are arranged at intervals along the length direction of the isolation layer (2).
7. The self-adhesive polymer modified asphalt waterproofing membrane of claim 3, characterized in that: an adhesive strip (53) is formed on the upper end face of the adhesive layer (51); the bonding strip (53) is positioned on one side, close to the asphalt layer, of the first limiting groove (511) and is bonded with one side, away from the connecting part (5), of the tire base (1); the release paper (52) is coated on the surface of the adhesive strip (53); one side molding that base (1) deviates from connecting portion (5) has and keeps away groove (12) with bonding strip (53) complex.
8. The self-adhesive polymer modified asphalt waterproofing membrane of claim 4, characterized in that: the cross section of the first limiting groove (511) is isosceles trapezoid, and the lower bottom of the first limiting groove (511) is located at the groove opening.
9. The self-adhesive polymer modified asphalt waterproofing membrane of claim 3, characterized in that: the adhesive layer (51) is a pressure-sensitive adhesive layer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020413761.0U CN212128052U (en) | 2020-03-26 | 2020-03-26 | Self-adhesive polymer modified asphalt waterproof coiled material |
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| CN202020413761.0U CN212128052U (en) | 2020-03-26 | 2020-03-26 | Self-adhesive polymer modified asphalt waterproof coiled material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112980341A (en) * | 2021-01-28 | 2021-06-18 | 吴帅帅 | Diversion reinforced waterproof coiled material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112980341A (en) * | 2021-01-28 | 2021-06-18 | 吴帅帅 | Diversion reinforced waterproof coiled material |
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