CN215049871U

CN215049871U - Butyl rubber modified asphalt waterproof coiled material

Info

Publication number: CN215049871U
Application number: CN202121591354.XU
Authority: CN
Inventors: 张利明; 彭松
Original assignee: Chongqing Xintiandi Huayu New Material Group Co ltd
Current assignee: Chongqing Xintiandi Huayu New Material Group Co ltd
Priority date: 2021-07-14
Filing date: 2021-07-14
Publication date: 2021-12-07
Anticipated expiration: 2031-07-14

Abstract

The utility model discloses a butyl rubber modified asphalt waterproofing membrane relates to the waterproofing membrane field, including upper surface overlap joint layer, upper surface polymer enhancement layer, upper surface modified asphalt self-adhesive layer, polymer enhancement layer, lower surface modified asphalt self-adhesive layer, lower surface isolation layer and lower surface overlap joint layer, the utility model discloses a butyl rubber modified asphalt is as main waterproof layer, uses the macromolecular material of two-layer different nature as the enhancement layer, has not only promoted the intensity and the extension performance of coiled material, has improved the anti waterborne and the life of scurrying of coiled material, still makes the coiled material become frivolous, and the range of application is wider, and two overlap joint limit designs in addition, and it is more convenient to construct and use.

Description

Butyl rubber modified asphalt waterproof coiled material

Technical Field

The utility model relates to a waterproofing membrane technical field, in particular to butyl rubber modified asphalt waterproofing membrane.

Background

The modified asphalt waterproof coiled material is a curlable sheet waterproof material prepared by taking petroleum asphalt as a base material and adding an asphalt modifier and other additives, improves the sensitivity of the traditional asphalt waterproof material to temperature, can achieve no flow at high temperature and no crack at low temperature, is widely applied to waterproof projects such as walls, roofs, tunnels, canals, underground and indoor buildings due to excellent waterproof performance, realizes no leakage connection between a base layer and a building main body, is a first barrier for waterproofing of the whole project, and plays a vital role in the whole project.

At present, the waterproof layer is easily damaged when the thickness of the coiled material is thin in the use process of the modified asphalt waterproof coiled material, the building can leak, the coiled material is heavy and inconvenient to construct when the thickness of the coiled material is thick, the coiled material can slide down after being paved due to dead weight particularly in large-slope and vertical-face construction, and the modified asphalt waterproof coiled material can age and lose efficacy due to long-time corrosion of liquid water. Therefore, it has become a trend in the waterproof material industry to design a light, thin, high-strength, high-elongation, and super-durable modified asphalt waterproof roll.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a butyl rubber modified asphalt waterproofing membrane, it is good to have waterproof performance, long service life, and tensile strength and percentage elongation are high, the more frivolous characteristics of coiled material.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a butyl rubber modified asphalt waterproofing membrane which characterized in that: the upper surface lapping layer, the upper surface high molecular enhancement layer, the upper surface modified asphalt self-adhesive layer, the high molecular enhancement layer, the lower surface modified asphalt self-adhesive layer and the lower surface lapping layer are sequentially arranged from top to bottom.

Preferably, the upper surface overlapping layer is a peelable silicon-coated isolating film and comprises an upper surface overlapping bonding layer, an upper extending isolating layer and an upper extending isolating layer.

Preferably, the upper surface polymer reinforcing layer is a high-strength polyester film.

Preferably, the upper surface modified asphalt waterproof layer and the lower surface modified asphalt self-adhesive layer are both butyl rubber modified self-adhesive asphalt layers.

Preferably, the polymer reinforced layer is a high-elongation cross-laminated polyethylene film.

Preferably, the lower surface isolation layer is a strippable silicon-coated isolation film.

Preferably, the lower surface overlapping layer is a peelable silicon-coated isolating film and comprises a lower surface overlapping bonding layer, a lower expansion isolating layer and a lower extension isolating layer.

The utility model has the advantages that:

1. this waterproofing membrane adopts butyl rubber modified asphalt to be the waterproof layer, utilizes outstanding gas tightness, water proofness and ageing resistance of butyl rubber, has greatly promoted waterproofing membrane's waterproof performance, increases waterproofing membrane's life by a wide margin.

2. This waterproofing membrane adopts the polymer film of two-layer different materials as reinforcing material, has both improved the tensile strength of coiled material and guaranteed that the coiled material has very big percentage elongation again to waterproofing membrane is very frivolous, and application scope is wider, adopts the two overlap joint layers of upper and lower surface simultaneously, and the construction is very convenient

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 structural diagram of a butyl rubber modified asphalt waterproof roll.

Fig. 2 is a schematic structural diagram of a top view angle between an upper surface lapping layer and an upper surface polymer reinforcing layer of an upper surface layer of a butyl rubber modified asphalt waterproof roll.

Fig. 3 is a schematic structural diagram of a top view angle between a lower surface isolation layer and a lower surface overlapping layer of a lower surface layer of a butyl rubber modified asphalt waterproof roll.

In the figure: 1. an upper surface lap layer; 101. the upper surface is lapped with the bonding layer; 102. spreading an isolation layer; 103. extending into the isolation layer; 2. an upper surface polymer reinforcement layer; 3. the upper surface is a modified asphalt self-adhesive layer; 4. a polymer reinforcing layer; 5. the lower surface is a modified asphalt self-adhesive layer; 6. a lower surface isolation layer; 7. a lower surface lap joint layer; 701. the lower surface is lapped with the bonding layer; 702. spreading an isolation layer; 703. extending down into the isolation layer.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the specific embodiments. 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.

Referring to fig. 1-3, in the embodiment of the present invention, a butyl rubber modified asphalt waterproof coiled material includes an upper surface overlapping layer 1, an upper surface polymer reinforcing layer 2, an upper surface modified asphalt self-adhesive layer 3, a polymer reinforcing layer 4, a lower surface modified asphalt self-adhesive layer 5, a lower surface isolation layer 6, and a lower surface overlapping layer 7, which are sequentially arranged from top to bottom.

The upper surface lapping layer 1 is a silicon-coated isolating film, as shown in fig. 2, the silicon-coated isolating film is coated on the left side of the long edge of the upper surface modified asphalt layer and serves as an upper surface lapping bonding layer 101 of the waterproof roll, the thickness of the silicon-coated isolating film is 0.036mm, the lapping width of the silicon-coated isolating film is 80mm, 20mm of the long edge of the silicon-coated isolating film covering the roll is spread to the outer side of the roll and serves as an upper spreading isolation layer 102, the self-adhesive layer of the roll is prevented from being bonded with dirt, impurities and the like, 20mm of the silicon-coated isolating film is extended to the inner side of the roll and serves as an upper extending isolation layer 103, and the self-adhesive layer is prevented from being bonded with the upper surface of the upper surface high molecular enhancement layer 2 when the roll is curled; can directly tear upper surface overlap joint layer 1 during the construction, with 7 opposite side overlap joints of another waterproofing membrane's lower surface overlap joint layer, guarantee upper surface overlap joint tie layer 101 and lower surface overlap joint tie layer 701 coincidence during the opposite side overlap joint.

The upper surface polymer enhancement layer 2 is high strength polyester film, and thickness is 0.09mm, bonds in the upper end of upper surface modified asphalt self-adhesive layer 3, and upper surface modified asphalt is from taking strong viscidity, and upper surface polymer enhancement layer 2 can firmly bond in the coiled material upper epidermis, and stand wear and tear, ultraviolet resistance promote coiled material intensity, effectively keep out the damage that the upper surface received.

The upper surface modified asphalt self-adhesive layer 3 is butyl rubber modified self-adhesive asphalt, is 0.582mm thick and is a main waterproof layer of the upper surface of the waterproof roll, the unique water tightness, air tightness and ageing resistance of the butyl rubber provide excellent waterproof performance for the asphalt waterproof layer, and the butyl rubber modified asphalt self-adhesive layer has good self-healing performance and strong water channeling resistance, greatly reduces the permeation probability and prolongs the service life of the waterproof roll; the upper end surface of the upper surface butyl rubber modified asphalt is bonded with the upper surface polymer reinforcing layer 2, the lower end surface is bonded with the polymer reinforcing layer 4, the bonding is super-durable, and the coiled material structure is complete and is not separated while the coiled material is ensured to have excellent waterproof performance.

The polymer reinforcing layer 4 is a high-elongation cross laminated polyethylene film with the thickness of 0.2mm, the upper end surface of the polymer reinforcing layer is adhered with the upper surface modified asphalt self-adhesive layer 3, and the lower end surface of the polymer reinforcing layer is adhered with the lower surface modified asphalt self-adhesive layer 5; the high-elongation cross laminated polyethylene film provides excellent extensibility for the coiled material, the extensibility can reach 300% during maximum tension, the deformation of a structural base layer can be adapted, and the coiled material is prevented from breaking when the coiled material is subjected to deformation pressure of a building structure.

The lower surface modified asphalt self-adhesive layer 5 is butyl rubber modified self-adhesive asphalt, is 0.582mm thick, is a main waterproof layer of the lower surface of the waterproof roll, is the same as the upper surface modified asphalt self-adhesive layer 3 in material and performance, and also has excellent waterproof performance and ageing resistance; the upper end of the lower surface modified asphalt self-adhesive layer 5 is bonded with the polymer reinforcing layer 4, the lower end is bonded with the lower surface isolation layer 6, the bonding is super-durable, and the coiled material structure is complete and is not separated when the coiled material waterproof performance is superior.

The lower surface isolation layer 6 is a peelable silicon-coated isolation film with the thickness of 0.036mm, one surface of the isolation film coated with silicon oil is adhered to the lower end of the lower surface modified asphalt self-adhesive layer 5, due to the existence of a silicon oil layer, the lower surface isolation layer 6 cannot be firmly adhered to the lower end of the lower surface modified asphalt self-adhesive layer 5 and cannot be torn, and the isolation film has the main function of preventing the lower surface modified asphalt self-adhesive layer 5 from being directly adhered to the upper surface high-molecular enhancement layer 2 when the coiled material is curled, so that the lower surface modified asphalt self-adhesive layer 5 is prevented from being adhered to other layers when the waterproof coiled material is transported; the lower surface isolation layer 6 can be directly torn during site construction, the lower surface modified asphalt self-adhesive layer 5 is exposed, and the lower surface modified asphalt self-adhesive layer is directly adhered and paved in alignment with the reference surface.

The lower surface overlapping layer 7 is a peelable silicon-coated isolating film, as shown in fig. 3, the silicon-coated isolating film is coated on the right side of the long edge of the lower surface modified asphalt self-adhesive layer to serve as a lower surface overlapping bonding layer 701, the thickness of the silicon-coated isolating film is 0.036mm, the overlapping width of the silicon-coated isolating film is 80mm, 20mm of the long edge of the coiled material is spread towards the outer side of the coiled material to serve as a lower spreading isolating layer 702, the self-adhesive layer of the coiled material is prevented from being bonded with dirt, impurities and the like, 20mm of the self-adhesive layer extends towards the inner side of the coiled material to serve as a lower extending isolating layer 703, and the self-adhesive layer is prevented from being bonded with the upper surface of the upper surface high-molecular reinforcing layer 2 when the coiled material is curled; during construction, the lower surface overlapping layer 7 and the upper surface overlapping layer 1 of another waterproof roll can be directly torn to overlap, and the lower surface overlapping bonding layer 701 and the upper surface overlapping bonding layer 101 are ensured to coincide during overlapping of the opposite sides.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be clear to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above, but can be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may include only a single embodiment, and such description is for clarity only, and those skilled in the art should consider the description as a whole, and the embodiments in each example may be appropriately combined to form other embodiments that may be understood by those skilled in the art.

Claims

1. The utility model provides a butyl rubber modified asphalt waterproofing membrane which characterized in that: the composite material comprises an upper surface lapping layer (1), an upper surface high molecular enhancement layer (2), an upper surface modified asphalt self-adhesive layer (3), a high molecular enhancement layer (4), a lower surface modified asphalt self-adhesive layer (5), a lower surface isolation layer (6) and a lower surface lapping layer (7) which are sequentially arranged from top to bottom.

2. The butyl rubber modified asphalt waterproof coiled material as claimed in claim 1, wherein: the upper surface overlapping layer (1) is a strippable silicon-coated isolating film and comprises an upper surface overlapping bonding layer (101), an upper extending isolating layer (102) and an upper extending isolating layer (103).

3. The butyl rubber modified asphalt waterproof coiled material as claimed in claim 1, wherein: the upper surface high molecular enhancement layer (2) is a high-strength polyester film.

4. The butyl rubber modified asphalt waterproof coiled material as claimed in claim 1, wherein: the upper surface modified asphalt self-adhesive layer (3) and the lower surface modified asphalt self-adhesive layer (5) are both butyl rubber modified asphalt self-adhesive layers.

5. The butyl rubber modified asphalt waterproof coiled material as claimed in claim 1, wherein: the high polymer reinforced layer (4) is a high-elongation cross laminated polyethylene film.

6. The butyl rubber modified asphalt waterproof coiled material as claimed in claim 1, wherein: the lower surface isolation layer (6) is a strippable silicon-coated isolation film.

7. The butyl rubber modified asphalt waterproof coiled material as claimed in claim 1, wherein: the lower surface overlapping layer (7) is a strippable silicon-coated isolating film and comprises a lower surface overlapping adhesive layer (701), a lower expansion isolating layer (702) and a lower extension isolating layer (703).