CN218028947U

CN218028947U - PP hollow plastic building template with composite multilayer continuous fiber sheet layers

Info

Publication number: CN218028947U
Application number: CN202221827270.6U
Authority: CN
Inventors: 楊国强
Original assignee: Guangdong Haoqiang Technology Co ltd
Current assignee: Guangdong Haoqiang Technology Co ltd
Priority date: 2022-07-16
Filing date: 2022-07-16
Publication date: 2022-12-13
Anticipated expiration: 2032-07-16

Abstract

The utility model relates to a cavity plastics template technical field specifically provides a PP cavity plastics building templates of compound multilayer continuous fibers lamella, cavity panel surface has multilayer continuous fibers lamella through the bond line complex, can show improvement cavity plastics building templates flexural strength and flexural modulus etc. and carry the performance, increase its life simultaneously, avoid the template to appear warping, fracture even phenomenon of rupture or the template is the heavier difficult operation scheduling problem in the use.

Description

PP hollow plastic building template with composite multilayer continuous fiber sheet layers

Technical Field

The application relates to the technical field of hollow plastic templates, in particular to a PP hollow plastic building template with a composite multilayer continuous fiber sheet layer.

Background

With the increasingly prominent environmental problems, concepts of green, low carbon, sustainability and the like are popularized in engineering construction. The building plastic template is popularized and applied in the building template as an energy-saving and environment-friendly product by replacing wood with plastic. At present, polyvinyl chloride (PVC) plastic templates widely applied to the field of buildings have the problems of poor toughness, low elastic modulus, low strength, low heat resistance, large thermal deformation and the like. And the common hollow PP plastic template is easy to deform after being used because the PP shrinks greatly and is soft. And the surface of the hollow plate is not provided with a protective layer, so that the PP plastic plate is easy to age and embrittle under the influence of ultraviolet rays, and is easy to crack, damage and the like.

Disclosure of Invention

The utility model provides a PP cavity plastics building templates of compound multilayer continuous fibers lamella, cavity panel surface have multilayer continuous fibers lamella through the bondline complex, can avoid the template to appear warping, fracture even fracture phenomenon or the heavier difficult operation scheduling problem of template in the use, increase its life simultaneously.

Based on this, the application provides a PP hollow plastic building template of compound multilayer continuous fibers lamella, including hollow plate, hollow plate both sides surface is range upon range of multilayer continuous fibers lamella respectively, and just hollow plate and multilayer pass through the bond line and adhere between the continuous fibers lamella.

According to the PP hollow plastic building template compounded with the multilayer continuous fiber sheets, 2-5 layers of the continuous fiber sheets are sequentially stacked on any side surface of the hollow plate.

The PP hollow plastic building template compounded with the multilayer continuous fiber sheets has the advantages that the thickness of the continuous fiber sheets is 0.3-1.0 mm.

According to the PP hollow plastic building template with the composite multilayer continuous fiber sheet layer, the hollow plate is provided with the hollow structure, and the hollow structure is formed by a plurality of hollow holes which are arranged in a rectangular array mode.

According to the PP hollow plastic building template with the composite multilayer continuous fiber sheets, 3-4 layers of hollow holes are arranged in the hollow structure along the thickness direction of the hollow plate.

The PP hollow plastic building template compounded with the multilayer continuous fiber sheets is characterized in that the hollow hole is rectangular.

The PP hollow plastic building template compounded with the multilayer continuous fiber sheets has the advantages that the thickness of the hollow plate is 17-30 mm.

According to the PP hollow plastic building template compounded with the multilayer continuous fiber sheets, the hollow plate is made of modified polypropylene.

According to the PP hollow plastic building template compounded with the multilayer continuous fiber sheets, the bonding layer is a hot melt adhesive film.

The PP hollow plastic building template compounded with the multilayer continuous fiber sheets has the thickness of 30-100 g/m ² 。

The embodiment of the application has the following beneficial effects:

1. the application provides a PP cavity plastics building templates of compound multilayer continuous fibers lamella, cavity panel surface has multilayer continuous fibers lamella through the bondline complex, can show improvement performance such as bending strength and flexural modulus of cavity plastics building templates, increases its life simultaneously, avoids the template to appear warping, fracture or even fracture phenomenon or the heavier difficult operation scheduling problem of template in the use.

2. This application once compounds multilayer continuous fibers lamella with cavity plastic panel surface, compares in only compound monolayer continuous fibers lamella, can show to improve its flexural strength and flexural modulus etc. and carry the performance.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a PP hollow plastic building template compounded with multiple continuous fiber sheets according to an embodiment of the present invention, in which 4 hollow holes are arranged in the thickness direction of a hollow plate.

Fig. 2 is a schematic structural diagram of a PP hollow plastic building template compounded with multiple continuous fiber sheets according to another embodiment of the present application, in which 3 layers of hollow holes are arranged in the thickness direction of the hollow plate.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The PP hollow plastic building template comprises a hollow plate 1, wherein multiple layers of continuous fiber sheets 2 are respectively stacked on the surfaces of two sides of the hollow plate 1, and the hollow plate 1 and the multiple layers of continuous fiber sheets 2 are bonded through bonding layers 3.

The application provides a PP cavity plastics building templates of compound multilayer continuous fibers lamella, cavity panel surface has multilayer continuous fibers lamella through the bondline complex, can show improvement performance such as bending strength and flexural modulus of cavity plastics building templates, increases its life simultaneously, avoids the template to appear warping, fracture or even fracture phenomenon or the heavier difficult operation scheduling problem of template in the use.

Furthermore, 2-5 continuous fiber sheet layers 2 are sequentially laminated on any side surface of the hollow board 1. This application once compounds multilayer continuous fibers lamella with cavity plastic panel surface, compares in only compound single-deck continuous fibers lamella, can show improvement performance such as improvement its flexural strength and flexural modulus.

Further, the thickness of the continuous fiber sheet layer 2 is 0.3-1.0 mm, the continuous fiber sheet layer is continuous reinforced glass fiber, and the problems that the template is deformed, cracked or even broken in the using process or the template is heavy and is not easy to operate and the like can be avoided by compounding multiple layers of continuous fiber sheet layers.

Further, a hollow structure is formed in the hollow plate 1, and the hollow structure is formed by a plurality of hollow holes 10 arranged in a rectangular array manner. This application sets up hollow structure's advantage is that reduce consumptive material, reduce cost and weight reduction light, is difficult for appearing easily in the use simultaneously and warp, the fracture scheduling problem, and life is longer.

As shown in fig. 1, the hollow structure is along the thickness direction of hollow plate 1 arranges 4 layers altogether the cavity hole 10 sets up 4 layers of cavity hole and can avoid the template to appear deformation, fracture even fracture phenomenon or the heavier difficult operation scheduling problem of template in the use, increases its life simultaneously, reduces the consumptive material, reduce cost and lightens light in weight.

As shown in fig. 2, the hollow structure is arranged with 3 layers along the thickness direction of the hollow plate 1 the hollow holes 10 are arranged, and the 3 layers of hollow holes can avoid the problems that the template is deformed, cracked or even broken in the using process or the template is heavy and is not easy to operate, and the like, and meanwhile, the service life of the template is prolonged, the consumable material is reduced, the cost is reduced, and the weight is lightened.

Further, well hole 10 is the rectangle, and well hole is the through-hole along cavity panel length direction, and this application cavity hole site rectangle has the advantage that processing is simple, can reduce the processing degree of difficulty, and the workable requirement of course selects circular, triangle-shaped or honeycomb etc..

Further, the thickness of the hollow plate 1 is 17-30 mm, the bending strength and the modulus of the product with the thickness are better, the problems of heavy weight and cracking of the template caused by too thick thickness can be avoided, and the problems of breakage and low strength of the product caused by too thin thickness can be avoided.

Furthermore, the hollow board 1 is made of modified polypropylene, the size stability is good, the price is low, the rigidity, the heat resistance and the like are improved to a certain extent compared with pure PP, and the problems that the template is deformed, cracked or even broken in the using process or the template is heavy and is difficult to operate and the like can be avoided by compounding multiple layers of continuous fiber sheets.

Furthermore, the bonding layer 3 is a hot melt adhesive film, preferably a TPU hot melt adhesive film, namely thermoplastic polyurethane, has good adhesion and elasticity, and can be used for sequentially bonding multiple layers of continuous fiber sheets on the hollow board after hot pressing, and the hollow plastic building template for compounding the multiple layers of continuous glass fiber sheets is compounded at one time through hot pressing.

Further, the thickness of the adhesive layer 3 is 30 to 100g/m ² And the multilayer continuous fiber sheet layer is bonded on the hollow plate through the bonding layer, and the PP hollow plastic building template compounded with the multilayer continuous fiber sheet layer is formed after cooling and solidification.

When this application is compound, unreel simultaneously through last lower coil stock frame, at cavity panel both sides surface range upon range of bonding glued membrane and multilayer continuous fibers piece coil stock in proper order, middle cavity panel gets into the composite set along with the coil stock, through high temperature heating section, middle roller pressfitting to and cooling shaping, form the cavity PP plastic panels of compound multilayer continuous glass fiber lamella.

The following performance comparisons of the composite and non-composite multilayer continuous glass fiber plies were made for different thickness panels:

table 1: test result of performance of 15 mm-thick plate

Table 2: test result of performance of 17 mm-thick plate

Table 3: test result of performance of 22mm thick plate

According to the test results, after the continuous glass fiber sheets are compounded on the plates with different thicknesses, the bending strength and the bending modulus of the plates are correspondingly improved along with the increase of the number of the compounded layers, and the fact that the multi-layer continuous fiber sheets are compounded on the surfaces of the hollow plates through the bonding layers is shown, and the effect of remarkably improving the bending strength, the bending modulus and other performance of the hollow plastic building templates can be achieved.

It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present application. Furthermore, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.

The foregoing is a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, various modifications and changes can be made without departing from the principle of the present application, and these modifications and changes are also considered to be within the scope of the present application.

Claims

1. The PP hollow plastic building template is characterized by comprising a hollow plate (1), wherein the surfaces of two sides of the hollow plate (1) are respectively laminated with a plurality of continuous fiber sheets (2), and the hollow plate (1) and the continuous fiber sheets (2) are bonded through a bonding layer (3).

2. The PP hollow plastic building formwork with composite multilayer continuous fiber sheets as claimed in claim 1, wherein 2-5 continuous fiber sheets (2) are sequentially laminated on any side surface of the hollow board (1).

3. The PP hollow plastic building formwork with composite multilayer continuous fiber sheets as claimed in any one of claims 1 or 2, wherein the thickness of the continuous fiber sheets (2) is 0.3-1.0 mm.

4. The PP hollow plastic building template with the composite multilayer continuous fiber sheets as claimed in claim 1, wherein a hollow structure is formed on the hollow plate (1), and the hollow structure is composed of a plurality of hollow holes (10) arranged in a rectangular array manner.

5. The PP hollow plastic building template of composite multilayer continuous fiber sheet layer according to claim 4, characterized in that the hollow structure is provided with 3-4 layers of the hollow holes (10) in the thickness direction of the hollow plate material (1).

6. The PP hollow plastic building formwork with composite multilayer continuous fiber sheets as claimed in claim 4 or 5, wherein the hollow holes (10) are rectangular.

7. The PP hollow plastic building formwork with composite multilayer continuous fiber sheets as claimed in claim 1, wherein the thickness of the hollow plate (1) is 17-30 mm.

8. The PP hollow plastic building template with the composite multilayer continuous fiber sheet layer as claimed in claim 1 or 7, wherein the hollow plate (1) is made of modified polypropylene.

9. The PP hollow plastic building template with composite multilayer continuous fiber sheets as claimed in claim 1, wherein the adhesive layer (3) is a hot melt adhesive film.

10. The PP hollow plastic building template with composite multilayer continuous fiber sheets as claimed in claim 1 or 9, wherein the thickness of the adhesive layer (3) is 30-100 g/m ² 。