Flame-retardant polypropylene rib-clamping veneer

Abstract

The utility model discloses a flame-retardant polypropylene rib-clamping veneer which comprises a polypropylene base layer, the reinforcing layer is arranged on the lower surface of the polypropylene base layer; the flame-retardant glue layer I is glued on the lower surface of the reinforcing layer; the three-way glass fiber grid layer is glued to the bottom of the flame-retardant glue layer I; the base paper layer is arranged on the lower surface of the three-way glass fiber grid layer; the flame-retardant glue layer II is glued on the lower surface of the base paper layer; the release layer is glued to the bottom of the flame-retardant glue layer II; the flame-retardant glue layer I and the flame-retardant glue layer II are used as an overall adhesive, so that the whole polypropylene rib-clamping veneer has certain flame retardance, the designed reinforcing layer can increase the overall strength to a certain extent, and the corresponding strip-shaped grooves are formed in the reinforcing layer, the three-way glass fiber grid layer and the base paper layer, so that the overall strength of the polypropylene rib-clamping veneer is improved, and the flame-retardant performance of the polypropylene rib-clamping veneer is improved. And glue can enter the strip-shaped grooves, so that the bonding firmness between the glue layer and the strip-shaped grooves is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of veneers, and in particular relates to a flame-retardant polypropylene reinforced veneer. Background Art

[0002] Polypropylene reinforced veneer is an economical and affordable water vapor barrier with a crisp appearance and easy construction. It is suitable for warehouses, factories, supermarkets, gymnasiums and offices, etc. It is particularly suitable for use in harsh environments containing chemical gases and other corrosive gases and is corrosion-resistant.

[0003] The structure of the polypropylene reinforced veneer in the existing technology is relatively simple, does not have flame retardant properties, and the overall strength is not very high. At the same time, the bonding strength between its adhesive layer and other layers is poor. Therefore, the utility model proposes a flame retardant polypropylene reinforced veneer. Utility Model Content

[0004] The purpose of the utility model is to provide a flame retardant polypropylene reinforced veneer to solve the problems raised in the above background technology.

[0005] To achieve the above purpose, the utility model provides the following technical solutions: a flame retardant polypropylene reinforced veneer, comprising

[0006] Polypropylene base layer;

[0007] A reinforcement layer is provided on the lower surface of the polypropylene base layer;

[0008] A flame retardant glue layer 1, glued to the lower surface of the reinforcement layer;

[0009] A three-dimensional fiberglass mesh layer is glued to the bottom of the flame retardant glue layer;

[0010] A base paper layer is provided on the lower surface of the three-dimensional glass fiber mesh layer;

[0011] a second flame retardant glue layer, glued to the lower surface of the base paper layer;

[0012] The release layer is glued to the bottom of the second flame retardant glue layer.

[0013] Preferably, the thickness of the polypropylene base layer is 20-30μ.

[0014] Preferably, the base paper layer is a wood pulp paper layer, and the coating basis weight of the base paper layer is 40-60 gsm.

[0015] Preferably, the reinforcing layer is made of one of chloroprene rubber, chlorosulfonated polyethylene, polyvinyl chloride or silicone rubber.

[0016] Preferably, the three-way glass fiber mesh layer is formed by weaving three glass fibers together.

[0017] Preferably, the materials of the flame retardant glue layer 1 and the flame retardant glue layer 2 are both aluminum phosphate adhesive.

[0018] Preferably, a plurality of first strip grooves are provided on the lower surface of the reinforcement layer, and a plurality of second strip grooves are provided on the upper surface of the three-dimensional glass fiber mesh layer.

[0019] Preferably, the lower surface of the base paper layer is provided with a plurality of strip-shaped grooves three.

[0020] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention adopts the flame retardant glue layer 1 and the flame retardant glue layer 2 as the overall adhesive, so that the polypropylene reinforced veneer as a whole has a certain flame retardancy, and at the same time the designed reinforcement layer can increase the overall strength to a certain extent, and by designing corresponding strip grooves on the reinforcement layer, the three-dimensional glass fiber mesh layer and the base paper layer, the glue can enter the strip grooves, thereby increasing the bonding strength between the glue layer and these layers. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural diagram of the utility model;

[0022] Figure 2 For this utility model Figure 1 A partial enlarged view of area A in the middle;

[0023] Figure 3 For this utility model Figure 1 A partial enlarged view of the middle B area;

[0024] In the figure: 1. Polypropylene base layer; 2. Reinforcement layer; 21. Strip groove one; 3. Flame retardant glue layer one; 4. Three-dimensional glass fiber mesh layer; 41. Strip groove two; 5. Base paper layer; 51. Strip groove three; 6. Flame retardant glue layer two; 7. Release layer. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] Example

[0027] See also Figures 1 to 3 , is an embodiment of the present utility model, which provides a technical solution: a flame retardant polypropylene reinforced veneer, comprising

[0028] Polypropylene base layer 1;

[0029] A reinforcing layer 2 is provided on the lower surface of the polypropylene base layer 1;

[0030] A flame retardant glue layer 3 is glued to the lower surface of the reinforcement layer 2;

[0031] A three-dimensional glass fiber mesh layer 4 is glued to the bottom of the flame retardant glue layer 3;

[0032] The base paper layer 5 is provided on the lower surface of the three-dimensional glass fiber mesh layer 4;

[0033] The second flame retardant glue layer 6 is glued to the lower surface of the base paper layer 5;

[0034] The release layer 7 is glued to the bottom of the second flame retardant glue layer 6.

[0035] The thickness of the polypropylene base layer 1 is 25 μm.

[0036] The base paper layer 5 is a wood pulp paper layer, and the coating basis weight of the base paper layer 5 is 50 gsm.

[0037] The reinforcing layer 2 is made of chloroprene rubber.

[0038] The three-way glass fiber mesh layer 4 is formed by weaving three glass fibers together.

[0039] Among them, the materials of the flame retardant glue layer 1 3 and the flame retardant glue layer 2 6 are both aluminum phosphate adhesive.

[0040] Among them, the lower surface of the reinforcing layer 2 is provided with a plurality of strip grooves 21, and the upper surface of the three-dimensional glass fiber mesh layer 4 is provided with a plurality of strip grooves 2 41, so that the subsequent flame retardant glue layer 1 3 can penetrate into the strip grooves 1 21 and the strip grooves 2 41 after being applied, thereby increasing the bonding strength of the flame retardant glue layer 1 3 between the reinforcing layer 2 and the three-dimensional glass fiber mesh layer 4.

[0041] Among them, the lower surface of the base paper layer 5 is provided with a plurality of strip grooves three 51, so that the subsequent flame retardant glue layer two 6 can penetrate into the strip groove three 51 and the strip groove two 41 after being applied, thereby increasing the bonding strength between the flame retardant glue layer two 6 and the base paper layer 5.

[0042] Although embodiments of the present invention have been shown and described (see the detailed description above for details), it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A flame-retardant polypropylene reinforced veneer, characterized by: include Polypropylene base layer (1); A reinforcing layer (2) is provided on the lower surface of the polypropylene base layer (1); A flame retardant glue layer (3) is glued to the lower surface of the reinforcement layer (2); A three-dimensional glass fiber mesh layer (4) is glued to the bottom of the flame retardant glue layer (3); A base paper layer (5) is provided on the lower surface of the three-dimensional glass fiber mesh layer (4); A second flame retardant glue layer (6) is glued to the lower surface of the base paper layer (5); The release layer (7) is glued to the bottom of the second flame retardant glue layer (6).

2. The flame-retardant polypropylene reinforced veneer according to claim 1, characterized in that: The thickness of the polypropylene base layer (1) is 20-30μ.

3. The flame-retardant polypropylene reinforced veneer according to claim 1, characterized in that: The base paper layer (5) is a wood pulp paper layer, and the coating basis weight of the base paper layer (5) is 40-60 gsm.

4. The flame-retardant polypropylene reinforced veneer according to claim 1, characterized in that: The material of the reinforcement layer (2) is one of chloroprene rubber, chlorosulfonated polyethylene, polyvinyl chloride or silicone rubber.

5. The flame-retardant polypropylene reinforced veneer according to claim 1, characterized in that: The three-dimensional glass fiber mesh layer (4) is formed by weaving three glass fibers together.

6. The flame-retardant polypropylene reinforced veneer according to claim 1, characterized in that: The materials of the flame retardant glue layer 1 (3) and the flame retardant glue layer 2 (6) are both aluminum phosphate adhesive.

7. The flame-retardant polypropylene reinforced veneer according to claim 1, characterized in that: The lower surface of the reinforcement layer (2) is provided with a plurality of first strip grooves (21), and the upper surface of the three-dimensional glass fiber mesh layer (4) is provided with a plurality of second strip grooves (41).

8. The flame-retardant polypropylene reinforced veneer according to claim 1, characterized in that: The lower surface of the base paper layer (5) is provided with a plurality of strip-shaped grooves (51).

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