CN212603811U

CN212603811U - Steel sheet TPO coiled material composite waterproof structure

Info

Publication number: CN212603811U
Application number: CN202020517147.9U
Authority: CN
Inventors: 罗亚平; 伏世红; 陈伟; 宫蕾; 刘爱兵; 李绪爽
Original assignee: Punaite Dalian Technology Co ltd
Current assignee: Punaite Dalian Technology Co ltd
Priority date: 2020-04-10
Filing date: 2020-04-10
Publication date: 2021-02-26
Anticipated expiration: 2030-04-10

Abstract

The utility model relates to a waterproofing membrane technical field just discloses a compound waterproof construction of steel sheet TPO coiled material, including TPO matrix layer, hot melt adhesive film layer, steel deck, the bottom fixed mounting on TPO matrix layer has the steel deck. The utility model discloses a set up the hot melt adhesive film layer with TPO matrix layer and steel deck adhesion together, make the adhesive force of the hot melt adhesive film complex method of mill far away on the adhesive force of adhesive, TPO matrix layer and steel deck peel strength after its complex are according to GB23260-2009 "waterproofing membrane with self-adhesive layer" test and are up to 4.0N/mm, be far higher than the 1.5N/mm intensity value of standard adhesive method, and simultaneously, the hot melt adhesive film complex method is at the prefabricated shaping of mill, do not have the hollowing phenomenon between TPO matrix layer and the steel deck, the problem of traditional adhesive method can not avoid gluing hollowing has been solved, and the hot melt adhesive film is different from traditional adhesive that it is ageing-resistant performance better, reduce the cost of later maintenance by a wide margin when life is longer.

Description

Steel sheet TPO coiled material composite waterproof structure

Technical Field

The utility model relates to a waterproofing membrane technical field specifically is a steel sheet TPO coiled material composite waterproof structure.

Background

At present, along with the continuous development of manufacturing industry, the demand on industrial plants is more and more, and the current mainstream methods for houses of the industrial plants are light steel roofs, sandwich plate roofs and flexible roofs, the manufacturing cost is sequentially increased, and the waterproof performance is sequentially better; obviously, to obtain a better waterproof effect, higher construction cost is inevitably needed, and the higher construction cost corresponds to a longer construction period and a more complex structure; for single-plate roofs which account for 80% of the markets of steel structure roofs, the single-plate roofs take the roof waterproof function of the workshops of most small and medium-sized enterprises, and the single-plate roofs are limited in manufacturing cost, so that the service life of the roofs is shortened, short-term maintenance and waterproof overhaul are inevitable, and the cost is increased for the workshops of the small and medium-sized enterprises invisibly.

The existing light steel roof renovation method is generally to bond a layer of high polymer coiled material such as PVC or TPO on the surface of a steel plate, so that although the service life of the roof is greatly prolonged, the steel plate does not need to be replaced, and a factory does not need to be shut down, the problems of high labor cost, use of an adhesive, high material price of coiled materials and the like during the renovation project are solved, and small burden is also caused to medium and small enterprises, so that the steel plate TPO coiled material composite waterproof structure is provided.

SUMMERY OF THE UTILITY MODEL

The not enough to prior art, the utility model provides a steel sheet TPO coiled material composite waterproof structure possesses that the cost is low, simple structure, simple to operate, and problem that above-mentioned background art provided has been solved to long service life's advantage.

The utility model provides a following technical scheme: the utility model provides a compound waterproof construction of steel sheet TPO coiled material, includes TPO matrix layer, hot melt adhesive film layer, steel deck, the bottom fixed mounting on TPO matrix layer has the steel deck, fixed mounting has the hot melt adhesive film layer between TPO matrix layer and the steel deck, the upper and lower both sides fixed mounting on hot melt adhesive film layer is at the opposite face of TPO matrix layer and steel deck, the part that TPO matrix layer does not contact with the steel deck sets up to the overlap edge.

Carefully selecting, the width value of the TPO carcass layer is 1.10m, the thickness value is 0.7 +/-0.1 mm, and the material of the TPO carcass layer is thick white or color weather-resistant TPO sheet.

Carefully selecting, wherein the width value of the hot melt adhesive film layer is 1.1 +/-0.1 m, the thickness value of the hot melt adhesive film layer is 0.10mm, and the hot melt adhesive film layer is APAO hot melt adhesive.

Carefully selecting, wherein the width value and the thickness value of the steel plate layer are 1.0m and 0.45 +/-0.05 mm, and the steel plate layer is a galvanized steel plate.

Preferably, the length and width values of the steel plate layers are respectively 100mm shorter than those of the TPO tyre body layers.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. the utility model discloses a set up the hot melt adhesive film layer with TPO matrix layer and steel deck adhesion together, make the adhesive force of the hot melt adhesive film complex method of mill far away on the adhesive force of adhesive, TPO matrix layer and steel deck peel strength after its complex are according to GB23260-2009 "waterproofing membrane with self-adhesive layer" test and are up to 4.0N/mm, be far higher than the 1.5N/mm intensity value of standard adhesive method, and simultaneously, the hot melt adhesive film complex method is at the prefabricated shaping of mill, do not have the hollowing phenomenon between TPO matrix layer and the steel deck, the problem of traditional adhesive method can not avoid gluing hollowing has been solved, and the hot melt adhesive film is different from traditional adhesive that it is ageing-resistant performance better, reduce the cost of later maintenance by a wide margin when life is longer.

2. The utility model discloses an improved operation time limit for a project, the prefabricated formula production that adopts the mill's composite method has practiced thrift on-the-spot installation period at to a great extent for after coming out from the mill's production, can drop into the installation practicality immediately, this is vital to the factory construction of "time is life", and the early one day is put into production, gains economic benefits early one day.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the structure overlapping edge of the present invention.

In the figure: 1. a TPO carcass layer; 2. a hot melt adhesive film layer; 3. a steel plate layer; 4. and (7) overlapping edges.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, a composite waterproof structure of a steel sheet TPO coil comprises a TPO carcass layer 1, a hot melt adhesive film layer 2, and a steel sheet layer 3, wherein the steel sheet layer 3 is fixedly installed at the bottom of the TPO carcass layer 1, the width value of the TPO carcass layer 1 is 1.10m and the thickness value is 0.7 ± 0.1mm, the TPO carcass layer 1 is made of thick white or colored weather-resistant TPO sheet material, the raw material composition comprises Vistamaxx3000 of basel CA10A or meifu, titanium dioxide, an antioxidant, an ultraviolet absorbent, a filler and titanium white, so that the structure is durable, the production process is extrusion and calendering, the existing process is that the hot melt adhesive film layer 2 is fixedly installed between the TPO carcass layer 1 and the steel sheet layer 3, the width value of the hot melt adhesive film layer 2 is 1.1 ± 0.1m and the thickness value of the hot melt adhesive film layer 2 is APAO, i.e. amorphous polyolefin, the base raw material apalpha is an amorphous polyolefin copolymer, the APAO hot melt adhesive has good cohesive force with metal, and simultaneously can also ensure good compatibility with TPO coiled materials due to polyolefin materials, and simultaneously has wider temperature range, excellent substrate cohesive property and firm cohesive force, thereby being suitable for roof waterproof structure with high strength requirement and strict requirement on wind uncovering resistance, improving the waterproof performance, the upper side and the lower side of the hot melt adhesive film layer 2 are fixedly arranged on the opposite surfaces of 1 and a steel plate layer 3, the width value of the steel plate layer 3 is 1.0m, the thickness value is 0.45 +/-0.05 mm, the steel plate layer 3 is a galvanized steel plate, the material and the characteristic of the steel plate layer 3 conform to the relevant regulations of a light steel roof to the steel plate in J925-3 steel coil profiled steel sheet, a sandwich board and wall building structure (three) comprising profiled aluminum alloy plates, the steel plate layer 3 is both before and after being compounded with the hot melt adhesive film layer 2, thereby leading the production to be more convenient, TPO child body layer 1 does not set up to overlap joint 4 with the part of 3 contacts of steel deck, and the length and width value of steel deck 3 is than TPO child body layer 1's length and width value respectively and is short 100mm, and this 100mm uses as overlap joint 4, makes things convenient for the overlap joint between two devices, has promoted the practicality of device.

The working principle is as follows: when in use, the production molding process comprises the following steps: the TPO carcass layer 1 is extruded, and then is subjected to cooling, shaping and traction to carry out a compounding process, which is an existing mature process, and the process is characterized in that the TPO carcass layer 1 enters a middle roller and a lower roller of a three-roller machine in the compounding process, is compounded with a heated hot melt adhesive film layer 2 at the middle roller and the lower roller, and then is subjected to cooling shaping and steel plate profiling process. And (3) finishing the whole production process, wherein the upper roller and the middle roller of the three-roller machine are heating rollers, heating the pulled hot melt adhesive film layer 2, and compounding the heated hot melt adhesive film layer 2 in the middle roller and the lower roller.

The installation process comprises the following steps: at first place the device directly in the roofing, and with TPO matrix layer 1 face up, use as the waterproof layer, 3 face down on the steel deck, play the effect of structural layer bearing capacity, then adopt hot-blast welding process to weld long limit overlap edge 4 after 3 installations on steel deck, 4 welding temperature of overlap edge of TPO matrix layer 1 are 400 ~ 460 ℃, welding speed is 2 ~ 3m/min, to short side overlap edge 4, adopt solitary homogeneity type TPO sheet to carry out two sides and cover the overlap joint, can.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Simultaneously in the utility model discloses an in the drawing, fill the pattern and just do not do any other injecions for distinguishing the picture layer.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a compound waterproof construction of steel sheet TPO coiled material, includes TPO matrix layer (1), hot melt adhesive rete (2), steel deck (3), its characterized in that: the bottom fixed mounting of TPO child layer (1) has steel deck (3), fixed mounting has hot melt adhesive film layer (2) between TPO child layer (1) and steel deck (3), the upper and lower both sides fixed mounting of hot melt adhesive film layer (2) is at the opposite face of TPO child layer (1) and steel deck (3), TPO child layer (1) does not set up to overlap joint limit (4) with the part of steel deck (3) contact.

2. The composite waterproof structure of steel sheet TPO coil of claim 1 is characterized in that: the width value of TPO carcass layer (1) is 1.10m and the thickness value is 0.7 +/-0.1 mm, and the material of TPO carcass layer (1) is thick white or color weather-resistant TPO sheet.

3. The composite waterproof structure of steel sheet TPO coil of claim 1 is characterized in that: the width value of the hot melt adhesive film layer (2) is 1.1 +/-0.1 m, the thickness value of the hot melt adhesive film layer is 0.10mm, and the hot melt adhesive film layer (2) is APAO hot melt adhesive.

4. The composite waterproof structure of steel sheet TPO coil of claim 1 is characterized in that: the width value of the steel plate layer (3) is 1.0m, the thickness value of the steel plate layer is 0.45 +/-0.05 mm, and the steel plate layer (3) is a galvanized steel plate.

5. The composite waterproof structure of steel sheet TPO coil of claim 1 is characterized in that: the length and width values of the steel plate layer (3) are 100mm shorter than those of the TPO carcass layer (1).