CN209832815U - Composite fiber reinforced single-sided adhesive waterproof coiled material - Google Patents
Composite fiber reinforced single-sided adhesive waterproof coiled material Download PDFInfo
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- CN209832815U CN209832815U CN201820341655.9U CN201820341655U CN209832815U CN 209832815 U CN209832815 U CN 209832815U CN 201820341655 U CN201820341655 U CN 201820341655U CN 209832815 U CN209832815 U CN 209832815U
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Abstract
The utility model discloses a composite fiber enhancement mode single face glues waterproofing membrane, including main part enhancement layer, at least two-layer precoat, its characterized in that: the sizing layers are arranged on one side of the main body reinforcing layer, and a layer of sheath-core composite long fiber tear-resistant cloth is arranged between the two adjacent sizing layers. The utility model discloses an add the anti cloth of tearing of compound long fiber of skin-core type between two-layer precoat, utilize the anti cloth modulus height's of tearing characteristics of compound long fiber of skin-core type, improve the tearing strength that the single face glues waterproofing membrane, utilize the anti high characteristics of cloth high temperature dimensional stability of tearing of compound long fiber of skin-core type simultaneously, improve the high temperature dimensional stability that the single face glues waterproofing membrane, prevent that the construction back single face from gluing waterproofing membrane and appearing sticking up the circumstances such as limit under high temperature environment, thereby improve the waterproof performance and the life that the single face glues the waterproofing membrane.
Description
Technical Field
The utility model belongs to the technical field of the building waterproofing membrane, especially, relate to a waterproofing membrane is glued to composite fiber enhancement mode single face.
Background
The wet-laid waterproof coiled material is a high-performance waterproof coiled material, has low requirement on a base surface, is not influenced by weather change in the construction process, can be constructed on a wet base surface, can greatly shorten the construction period, can realize full adhesion, reliable adhesion, safety, environmental protection and the like with a main structure of a building, is usually used as a main reinforcing material for manufacturing the wet-laid waterproof coiled material on the market at present, a polyester film or a polyethylene film is usually used as the main reinforcing material, the polyester film has the advantage of high strength, but the material is crisp, the tearing resistance of a nail rod is poor, the wet-laid waterproof coiled material using the polyester film as the main reinforcing material is easy to crack after being punctured by nails and the like in the construction or use process, and the polyethylene film has good elongation, but because the linear expansion coefficient of polyethylene is large, the wet-laid waterproof coiled material using the polyethylene film as the main reinforcing material is easy to crack under the high-temperature environment, the dimensional stability is poor, easily takes place the deformation, for example, chinese patent application No. 201620633629.4 discloses a polymer wet-laid self-adhesive asphalt waterproofing membrane, its characterized in that: the main body of the high-molecular wet-paving self-adhesive asphalt waterproof coiled material is sequentially formed by laminating a high-density polyethylene sheet, a self-adhesive asphalt layer and a first release isolating membrane from top to bottom, the self-adhesive asphalt layer outwards extends along one long side of the main body of the high-molecular wet-paving self-adhesive asphalt waterproof coiled material to form an asphalt overlap edge, the asphalt overlap edge upwards floats to be flush with the high-density polyethylene sheet, polyester fiber gridding cloth is embedded in the asphalt overlap edge, a second release isolating membrane is laminated on the upper surface of the asphalt overlap edge, the first release isolating membrane outwards extends along one long side of the main body of the high-molecular wet-paving self-adhesive asphalt waterproof coiled material to be laminated with the lower surface of the asphalt overlap edge, the high-density polyethylene sheet is used as a main body reinforcing material of the waterproof coiled material, the linear expansion coefficient of the high-density polyethylene sheet is larger, and the waterproof coiled material is repeatedly exposed to the sun, repeated expansion and contraction of the high-density polyethylene sheet easily deform the waterproof coiled material, and influence the waterproof effect and the service life.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a waterproofing membrane is glued to composite fiber enhancement mode single face can solve current single face and glue waterproofing membrane anti nail pole tear strength low, the poor problem of high temperature dimensional stability.
The utility model discloses a following technical scheme can realize.
The utility model provides a pair of composite fiber enhancement mode single face glues waterproofing membrane, including main part enhancement layer, at least two-layer precoat, its characterized in that: the sizing layers are arranged on one side of the main body reinforcing layer, and a layer of sheath-core composite long fiber tear-resistant cloth is arranged between the two adjacent sizing layers.
The main body enhancement layer is one of a PE membrane, a PET membrane, a TPO membrane, a PVC membrane, an ethylene propylene diene monomer membrane, a polyethylene polypropylene fiber membrane, woven cloth and a metal aluminum foil.
The insulation protective layer covers the outer surface of the lowermost sizing material layer.
The isolation protective layer is one of a polyethylene isolation film, a polypropylene isolation film, a polyester isolation film and isolation paper.
The sheath-core composite long fiber tear-resistant cloth is composed of sheath-core composite long fibers.
The sheath-core composite long fiber is provided with an inner layer and an outer layer, and the outer layer is wrapped on the periphery of the inner layer.
The cross section of the sheath-core composite long fiber is concentric circle, eccentric circle or special-shaped cross section.
The cross section of the sheath-core composite long fiber is concentric and circular.
The inner layer is made of PET, and the outer layer is made of PP, PA, PE or modified PET.
The outer layer is made of PA.
The gram weight of the sheath-core composite long fiber tear-resistant cloth is 20-200 grams per square meter.
The glue layer is made of natural asphalt, modified asphalt or hot melt adhesive.
The beneficial effects of the utility model reside in that: by adding the sheath-core composite long fiber anti-tearing cloth between the two sizing material layers, the advantages of high modulus, high thermal stability, high porosity, high bonding strength between the sheath-core composite long fiber and the sizing material layer and the like of the sheath-core composite long fiber anti-tearing cloth can be utilized, the nail-stem tearing resistance and the high-temperature dimensional stability of the single-side-bonded waterproof coiled material can be improved, and therefore the waterproof performance and the service life of the waterproof coiled material are improved.
Drawings
FIG. 1 is a schematic structural view of the present invention when a layer of sheath-core composite long fiber anti-tear cloth is provided;
FIG. 2 is a schematic structural view of the present invention when two layers of sheath-core composite long fiber anti-tear cloth are provided;
FIG. 3 is a schematic structural view of a sheath-core composite long fiber tear-resistant fabric;
fig. 4 is a schematic view of bonding sheath-core composite long fibers to each other;
fig. 5 is a schematic structural view showing a sheath-core composite long fiber having a concentric cross-section;
fig. 6 is a schematic structural view of a sheath-core composite long fiber having an eccentric circle in cross section;
FIG. 7 is a schematic structural view showing a sheath-core composite long fiber having a profiled cross section;
in the figure: 1-a main body reinforcing layer, 2-a sizing material layer, 3-sheath-core composite long fiber tear-resistant cloth, 4-an isolation protective layer, 5-an inner layer and 6-an outer layer.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in fig. 1 and fig. 2, a composite fiber reinforced single-sided adhesive waterproof roll comprises a main body reinforcing layer 1 and at least two layers of sizing material layers 2, and comprises the main body reinforcing layer 1 and the at least two layers of sizing material layers 2, and is characterized in that: the sizing agent layers 2 are all arranged on one side of the main body reinforcing layer 1, a layer of sheath-core composite long fiber anti-tearing cloth 3 is arranged between two adjacent sizing agent layers 2, a plurality of pores are arranged on the sheath-core composite long fiber anti-tearing cloth 3, the sheath-core composite long fiber anti-tear cloth 3 has a higher specific surface area, the asphalt on the glue stock layer 2 can be immersed into the sheath-core composite long fiber anti-tear cloth 3, the firm connection is formed by sticking, the sheath-core type composite long fiber anti-tearing cloth 3 plays a role of a framework in the sizing material layer 2, after the waterproof coiled material is punctured by foreign matters such as nails and the like, the fibers on the sheath-core type composite long fiber tear-resistant cloth 3 are mutually pulled, so that the holes at the punctured part are prevented from further expanding, under the high temperature environment, because the size change rate of the anti cloth 3 of tearing of composite fiber is less to reduce the size change rate who prevents the coiled material, prevent that the coiled material from appearing the circumstances such as limit of warping under the high temperature environment after the construction.
Main part enhancement layer 1 is one of PE membrane, PET membrane, TPO membrane, PVC membrane, ethylene propylene diene monomer membrane, polyethylene polypropylene fibre membrane, woven cloth, metal aluminium foil, and main part enhancement layer 1 plays tensile and anti tearing effect in waterproofing membrane, and in waterproofing membrane's use, the surface of building can produce the crackle because the reason such as expend with heat and contract with cold and subside, pulls precoat 2 as the skeleton through main part enhancement layer 1, can prevent that precoat 2 ftractures, leads to the waterproof layer to become invalid.
Still include two-layer isolation and protection layer 4, isolation and protection layer 4 covers the surface at the sizing material layer 2 of the superiors and the lowest floor respectively, and isolation and protection layer 4 can prevent that sizing material layer 2 from producing ageing effects with the oxygen in the air or the water contact that contains salt alkali before the use to prevent to be contaminated in the transportation, prevent the bonding between the sizing material.
The isolation protection layer 4 is one of a polyethylene isolation film, a polypropylene isolation film, a polyester isolation film and isolation paper.
As shown in fig. 3 and 4, the sheath-core composite long fiber tear-resistant fabric 3 is made of sheath-core composite long fibers by a "hot pressing method", and the manufacturing method thereof is that the sheath-core composite long fibers are laid on a plane in disorder, then the outer layer 6 of the sheath-core composite long fibers is melted by heating, and pressure is assisted to bond the fibers together, so as to finally form a layer of sheath-core composite long fiber tear-resistant fabric 3, when a non-woven fabric with a gram weight of more than 50 grams per square meter is produced, a conventional production process is to combine a plurality of layers of non-woven fabrics with a gram weight of 20 to 30 grams per square meter into a layer of product by a "hot pressing method", and when the waterproof roll is peeled from a base surface, the two layers are easy to separate, and simultaneously because of disorder overlapping between the long fibers, the porosity is small, the permeation of sizing material is not easy, and the cloth 3 of tearing is torn to the compound long fiber of skin-core type in this patent is one time hot briquetting, not only improves the porosity, still can improve the cohesion between the compound long fiber of skin-core type simultaneously, makes the cloth 3 of tearing is torn to the compound long fiber of skin-core type difficult layering, and the cloth 3 of tearing is torn to the compound long fiber of skin-core type made through the hot pressing method need not to use glue to carry out the adhesion, and joint strength is high and uses the problem of having avoided the easy degradation of glue in the use, improves waterproofing membrane's life.
As shown in fig. 5, 6 and 7, the sheath-core composite long fiber is provided with an inner layer 5 and an outer layer 6, the outer layer 6 is wrapped on the periphery of the inner layer 5, so that the inner layer 5 and the outer layer 6 are not easy to separate, meanwhile, when the sheath-core composite long fiber anti-tear cloth 3 is manufactured, only the outer layer 6 is subjected to hot melt bonding, the effect of mutual hot melt bonding of the same material is better than the effect of hot melt bonding between two different materials, and then the connection strength between the fibers of the sheath-core composite long fiber anti-tear cloth 3 is improved, and the anti-tear strength is improved.
As shown in fig. 5, 6, and 7, the cross section of the sheath-core composite long fiber is a concentric circle, an eccentric circle, or a profile cross section.
As shown in fig. 5, the cross section of the sheath-core composite long fiber is preferably concentric, the inner layer 5 and the outer layer 6 are concentric, so that the thickness of the outer layer 6 is uniform, and when the sheath-core composite long fiber tear-resistant cloth 3 is manufactured by using a hot pressing method, the fusion depth between the outer layers 6 can be conveniently controlled by controlling the temperature, pressure and time process parameters, so that the tensile strength of the sheath-core composite long fiber tear-resistant cloth 3 is improved.
The inner layer 5 is made of PET, the outer layer 6 is made of PP, PA, PE or modified PET, the PET has the characteristics of high modulus and high-temperature dimensional stability, the PET is used as the inner layer of the skin-core composite long fiber, the tensile strength and the high-temperature dimensional stability of the skin-core composite long fiber can be improved, the melting point of the PP, PA, PE or modified PET used for the outer layer 6 is lower than that of the PET used for the inner layer 5, when the skin-core composite long fiber is used for manufacturing the skin-core composite long fiber anti-tear cloth 3, the hot melting temperature is controlled between the melting points of the inner layer and the outer layer, the outer layer 6 can be melted, the inner layer 5 is kept in a solid state, the whole fiber is prevented from being fused, and the hot melting bonding strength and the anti-tear strength of the skin-core composite long fiber anti-tear cloth 3 can.
The outer layer 6 is made of PA, although the molecular main chains of PA and PET both contain polar groups, the polar groups of PET are weak in polarity, the polar groups of PA are strong in polarity and have N-H bonds, the colloid in the colloid layer 2 is strong in polarity, the bonding strength of PA and the colloid is higher than that of PET according to similar compatibility, meanwhile, due to the fact that the PA has the N-H bonds, the PA is easy to form hydrogen bonds with polar molecules in the colloid, the bonding strength of the core-skin type composite tear-resistant cloth 3 and the colloid layer 2 is further improved, the tear strength and the high-temperature dimensional stability of the waterproof roll are improved, the preferred diameter ratio of the inner layer 5 to the outer layer 6 is 7:3 to 9:1, and the elongation of the core-skin type composite long fibers can be adjusted by adjusting the diameter ratio of the inner layer 5 to the outer layer 6, so that the core-skin-core type composite long fibers can meet different use requirements.
The gram weight of the anti cloth 3 of tearing of compound long fiber of skin-core type is 20 to 200 grams per square meter, 3 grams of the anti cloth of tearing of compound long fiber of skin-core type is greater than 200 grams per square meter when, its inside hole is less, be unfavorable for the infiltration of pitch, its elongation is lower when 3 grams of the anti cloth of tearing of compound long fiber of skin-core type is great simultaneously, reduce waterproofing membrane's elongation performance, 3 grams of the anti cloth of tearing of compound long fiber of skin-core type is less than 20 grams per square meter when, the anti cloth 3's of tearing of compound long fiber of skin-core type intensity is lower, can't reach the mesh that strengthens waterproofing membrane, according to the in-service behavior, preferred scheme is:
the first scheme is as follows: as shown in fig. 1, 2 glue layers 2 and 1 skin-core composite long fiber anti-tearing cloth 3 are arranged in the waterproof roll, the specification of the skin-core composite long fiber anti-tearing cloth 3 is 50 grams per square meter, and the waterproof roll has the advantages that only one skin-core composite long fiber anti-tearing cloth 3 needs to be added, the production process is simple, the production efficiency is high, and the thickness of the waterproof roll can be thinner due to the fact that only one skin-core composite long fiber anti-tearing cloth 3 is added.
Scheme II: as shown in fig. 2, 3 glue layers 2 and 2 layers of core-skin composite long fiber anti-tearing cloth 3 are arranged in the waterproof coiled material, the specification of the core-skin composite long fiber anti-tearing cloth 3 is 30 grams per square meter, and the core-skin composite long fiber anti-tearing cloth 3 has the advantages of larger pores, being beneficial to the permeation of asphalt, higher connection strength between the core-skin composite long fiber anti-tearing cloth 3 and the glue layer 2, and improved anti-tearing performance of the coiled material through the superposition of the two layers of core-skin composite long fiber anti-tearing cloth 3.
From the test results in table 1, it can be seen that under the same test conditions, the pit tearing performance of the single-sided adhesive waterproof roll manufactured by the first and second schemes is obviously better than that of the single-sided adhesive waterproof roll manufactured by using a common non-woven fabric without adding a fiber reinforced layer.
The glue layer 2 is made of natural asphalt, modified asphalt or hot melt adhesive.
Claims (10)
1. The utility model provides a composite fiber enhancement mode single face glues waterproofing membrane, includes main part enhancement layer (1), at least two-layer precoat (2), its characterized in that: the glue layers (2) are arranged on one side of the main body reinforcing layer (1), and a layer of sheath-core composite long fiber tear-resistant cloth (3) is arranged between the two adjacent glue layers (2).
2. The composite fiber reinforced single-sided sticky waterproof roll according to claim 1, wherein: the main body enhancement layer (1) is one of a PE membrane, a PET membrane, a TPO membrane, a PVC membrane, an ethylene propylene diene monomer membrane, a polyethylene polypropylene fiber membrane, woven cloth and a metal aluminum foil.
3. The composite fiber reinforced single-sided sticky waterproof roll according to claim 1, wherein: the insulation protective layer (4) is covered on the outer surface of the lowermost sizing material layer (2).
4. The composite fiber reinforced single-sided sticky waterproof roll according to claim 3, wherein: the isolation protective layer (4) is one of a polyethylene isolation film, a polypropylene isolation film, a polyester isolation film and isolation paper.
5. The composite fiber reinforced single-sided sticky waterproof roll according to claim 1, wherein: the sheath-core composite long fiber tear-resistant cloth (3) is composed of sheath-core composite long fibers.
6. The composite fiber reinforced single-sided sticky waterproof roll according to claim 5, wherein: the sheath-core composite long fiber is provided with an inner layer (5) and an outer layer (6), and the outer layer (6) is wrapped on the periphery of the inner layer (5).
7. The composite fiber reinforced single-sided sticky waterproof roll according to claim 6, wherein: the cross section of the sheath-core composite long fiber is concentric circle, eccentric circle or special-shaped cross section.
8. The composite fiber reinforced single-sided sticky waterproof roll according to claim 7, wherein: the cross section of the sheath-core composite long fiber is concentric and circular.
9. The composite fiber reinforced single-sided sticky waterproof roll according to claim 6, wherein: the outer layer (6) is made of PA.
10. The composite fiber reinforced single-sided sticky waterproof roll according to claim 1, wherein: the gram weight of the sheath-core composite long fiber tear-resistant cloth (3) is 20 to 200 grams per square meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820341655.9U CN209832815U (en) | 2018-03-13 | 2018-03-13 | Composite fiber reinforced single-sided adhesive waterproof coiled material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820341655.9U CN209832815U (en) | 2018-03-13 | 2018-03-13 | Composite fiber reinforced single-sided adhesive waterproof coiled material |
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| Publication Number | Publication Date |
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| CN209832815U true CN209832815U (en) | 2019-12-24 |
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| CN201820341655.9U Active CN209832815U (en) | 2018-03-13 | 2018-03-13 | Composite fiber reinforced single-sided adhesive waterproof coiled material |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A composite fiber reinforced single-sided adhesive waterproof coiled material Effective date of registration: 20210809 Granted publication date: 20191224 Pledgee: China Co. truction Bank Corp Nanning hi tech sub branch Pledgor: Xiniupi Waterproof Technology Co.,Ltd. Registration number: Y2021450000030 |
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| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 530216 scientific research building, Xiniu science and Technology Park, No. 68, team 4, naluopo, Sitang community, Santang Town, Xingning District, Nanning City, Guangxi Zhuang Autonomous Region Patentee after: Xiniupi Waterproof Technology Co.,Ltd. Address before: 530001 Donggouling Landscape Road, Xingning District, Nanning City, Guangxi Zhuang Autonomous Region, Lin18 Sunshine Green City, 1 Building, 1 Unit 4 Patentee before: Xiniupi Waterproof Technology Co.,Ltd. |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220913 Granted publication date: 20191224 Pledgee: China Co. truction Bank Corp Nanning hi tech sub branch Pledgor: Xiniupi Waterproof Technology Co.,Ltd. Registration number: Y2021450000030 |