CN216106741U

CN216106741U - PVC composite binding paper

Info

Publication number: CN216106741U
Application number: CN202122450876.4U
Authority: CN
Inventors: 潘绍雷; 黄永信; 于文滔
Original assignee: Dongguan Humen Xingyu Paper Co ltd
Current assignee: Dongguan Humen Xingyu Paper Co ltd
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-03-22
Anticipated expiration: 2031-10-11

Abstract

The utility model relates to the technical field of packaging materials, in particular to PVC composite binding paper which comprises a raw paper layer and a PVC composite adhesive layer paved on the surface of the raw paper layer, wherein a permeable layer is arranged on the surface of the raw paper layer close to the PVC composite adhesive layer, a permeable hole is arranged on the permeable layer, and the PVC composite adhesive layer is used for simultaneously filling the permeable hole and paving the surface of the permeable layer. The utility model provides a have the permeable formation on the raw paper layer, combine PVC composite glue film and raw paper layer through the infiltration hole on the permeable formation for in the PVC composite glue film can be gos deep into the raw paper layer, increase PVC composite glue film and raw paper layer's area of contact, thereby reach the joint strength who strengthens PVC composite glue film and raw paper layer, the difficult problem that comes unstuck.

Description

PVC composite binding paper

Technical Field

The utility model relates to the technical field of packaging materials, in particular to PVC composite binding paper.

Background

The PVC composite binding paper is made by using paper as a base material and polyvinyl chloride plastic as a surface layer through calendering or coating, printing, embossing or foaming. Because the manufactured patterns are various, the decorative film can be widely applied to the field of packaging and decorating materials. However, after the PVC composite binding paper is used for a long time, the PVC plastic and the paper material are inevitably separated, and the quality of the PVC composite binding paper is further affected.

SUMMERY OF THE UTILITY MODEL

The utility model provides PVC composite binding paper aiming at the problems in the prior art and aims to solve the technical problems in the prior art.

The utility model provides PVC composite binding paper, which adopts the following technical scheme:

the utility model provides a PVC composite binding paper, includes raw paper layer and lays the compound glue film of PVC on raw paper layer surface, raw paper layer has the permeable formation on being close to the compound glue film of PVC on the surface, the permeable formation has the permeation hole, the compound glue film of PVC loads the permeation hole simultaneously and lays the permeable formation surface. The utility model provides a have the permeable formation on the raw paper layer, combine PVC composite glue film and raw paper layer through the infiltration hole on the permeable formation for in the PVC composite glue film can be gos deep into the raw paper layer, increase PVC composite glue film and raw paper layer's area of contact, thereby reach the joint strength who strengthens PVC composite glue film and raw paper layer, the difficult problem that comes unstuck.

Preferably, the pore wall of the penetration pore has a concave-convex structure. Utilize the concave-convex structure of infiltration hole pore wall, can further increase the area of contact between permeable formation and the compound glue film of PVC, further strengthen the bonding strength of raw paper layer and the compound glue film of PVC.

Preferably, the pore diameter of the permeation pore is 2 to 10 mm. Further preferably, the pore diameter of the penetration pore is 2 to 4 mm. Further preferably, the pore diameter of the penetration pore is 4 to 6 mm. Further preferably, the pore diameter of the penetration pore is 6 to 8 mm. Further preferably, the pore diameter of the permeation pore is 8 to 10 mm.

Preferably, the thickness of the permeation layer is 0.8-2 mm. It is further preferred that the thickness of the permeation layer is 0.8-1 mm. It is further preferred that the thickness of the permeation layer is 1-1.2 mm. It is further preferred that the thickness of the permeation layer is 1.2-1.5 mm. It is further preferred that the thickness of the permeation layer is 1.5-1.8 mm. It is further preferred that the thickness of the permeation layer is 1.8-2 mm.

Preferably, the permeable layer includes a substrate layer and an anti-wrinkle layer, the number of the substrate layer is at least two, and the anti-wrinkle layer is sandwiched between the substrate layers. Because when coating the compound glue film of PVC on raw paper layer, cause the influence to raw paper layer's tension easily, the phenomenon of fold unevenness appears easily, therefore need set up the anti-wrinkle layer between the substrate layer, let the permeable formation wholly keep level and smooth.

Preferably, the anti-wrinkle layer is a mesh fiber layer infiltrated by a humectant.

Preferably, the substrate layer is a raw edge paper layer, tissue paper or foam paper.

In summary, the utility model includes at least one of the following beneficial technical effects:

1. the utility model provides a have the permeable formation on the raw paper layer, combine PVC composite glue film and raw paper layer through the infiltration hole on the permeable formation for in the PVC composite glue film can be gos deep into the raw paper layer, increase PVC composite glue film and raw paper layer's area of contact, thereby reach the joint strength who strengthens PVC composite glue film and raw paper layer, the difficult problem that comes unstuck.

2. The pore wall of the penetration hole is preferably provided with a concave-convex structure so as to further increase the contact area between the penetration layer and the PVC composite adhesive layer and further enhance the bonding strength of the raw paper layer and the PVC composite adhesive layer.

3. The permeable formation comprises substrate layer and anti-wrinkle layer, utilizes anti-wrinkle layer to make the permeable formation wholly keep level, when coating PVC composite glue film on the raw paper layer, improves the phenomenon that the fold unevenness appears easily.

Drawings

FIG. 1 is a schematic view of the overall structure of a PVC composite binding paper of the present invention.

Description of reference numerals: 1. a raw paper layer; 2. a PVC composite glue layer; 3. a permeable layer; 4. a penetration hole; 31. a substrate layer; 32. and (4) an anti-wrinkle layer.

Detailed Description

The present invention is described in further detail below with reference to fig. 1.

The embodiment of the utility model discloses PVC composite binding paper, which comprises a raw paper layer 1 and a PVC composite adhesive layer 2 laid on the surface of the raw paper layer 1, as shown in figure 1. The base paper layer 1 may be kraft paper, kraft cardboard, corrugated base paper, white board paper, grease-proof paper, glassine paper, aluminum foil paper, white cardboard, parchment paper, and kraft paper. When the PVC composite binding paper is manufactured, the PVC composite adhesive layer 2 is coated on the raw paper layer 1 according to a certain coating amount, and then the PVC composite binding paper is obtained by drying. Wherein, the thickness of the PVC composite glue layer 2 is 8-20 microns.

In order to strengthen the joint strength of PVC composite glue film 2 and raw paper layer 1, the raw paper layer 1 is close to PVC composite glue film 2 and has permeable formation 3 on the surface, the thickness of permeable formation 3 is 0.8-2mm, permeable formation 4 has on 3, therefore when coating PVC composite glue film 2, PVC composite glue film 2 loads permeable formation 4 simultaneously and lays the 3 surfaces of permeable formation, make partial PVC composite glue film 2 can go deep into raw paper layer 1, increase the area of contact of PVC composite glue film 2 and raw paper layer 1, thereby reach the joint strength who strengthens PVC composite glue film 2 and raw paper layer 1, the difficult problem that comes unstuck that appears. Wherein the aperture of the permeation hole 4 is 2-10 mm.

Further, the wall of the penetration hole 4 has a concave-convex structure. The concave-convex structure can be a strip-shaped concave-convex line in the horizontal direction, a strip-shaped concave-convex line in the vertical direction, and a wavy concave-convex line or concave-convex lines in other shapes. Utilize the concave-convex structure of 4 pore walls of infiltration holes, can further increase the area of contact between permeable formation 3 and the compound glue film 2 of PVC, further strengthen the bonding strength of raw paper layer 1 and the compound glue film 2 of PVC.

Specifically, permeable layer 3 includes substrate layer 31 and anti-wrinkle layer 32, and the quantity of substrate layer 31 is two-layer at least, and the quantity of substrate layer 31 specifically can be two-layer, three-layer, four-layer or more, and in this embodiment, the quantity of substrate layer 31 is two-layer. The anti-wrinkle layer 32 is sandwiched between two base material layers 31. Because when coating PVC compound glue film 2 on raw paper layer 1, cause the influence to raw paper layer 1's tension easily, the phenomenon of fold unevenness appears easily, therefore need set up anti-wrinkle layer 32 between substrate layer 31, let permeable formation 3 wholly keep level and smooth. The substrate layer 31 may be specifically a raw edge paper layer, tissue paper, or foam paper. The anti-wrinkle layer 32 is a mesh fiber layer infiltrated by a humectant.

Although the present invention has been described with reference to the above preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The PVC composite binding paper is characterized in that: including raw paper layer (1) and lay PVC composite glue film (2) on raw paper layer (1) surface, raw paper layer (1) has permeable formation (3) on being close to PVC composite glue film (2) surface, permeable formation (4) have on permeable formation (3), PVC composite glue film (2) are packed permeable formation (4) and are laid permeable formation (3) surface simultaneously.

2. The PVC composite binding paper according to claim 1, characterized in that: the wall of the penetration hole (4) is provided with a concave-convex structure.

3. The PVC composite binding paper according to claim 2, characterized in that: the aperture of the penetration hole (4) is 2-10 mm.

4. The PVC composite binding paper according to claim 1, characterized in that: the thickness of the permeable layer (3) is 0.8-2 mm.

5. The PVC composite binding paper according to any one of claims 1 to 4, characterized in that: the permeable layer (3) comprises base material layers (31) and anti-wrinkle layers (32), the number of the base material layers (31) is at least two, and the anti-wrinkle layers (32) are sandwiched between the base material layers (31).

6. The PVC composite binding paper according to claim 5, characterized in that: the anti-wrinkle layer (32) is a grid fiber layer soaked by a humectant.

7. The PVC composite binding paper according to claim 5, characterized in that: the substrate layer (31) is a raw edge paper layer, cotton paper or foam paper.