CN211467693U

CN211467693U - Waterproof and moistureproof plain weave laminated kraft paper

Info

Publication number: CN211467693U
Application number: CN201921747698.8U
Authority: CN
Inventors: 顾晓林; 顾中英; 龚冬英
Original assignee: Changzhou Meita Packaging New Material Co ltd
Current assignee: Changzhou Meita Packaging New Material Co ltd
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-09-11
Anticipated expiration: 2029-10-18

Abstract

The utility model provides a waterproof and moistureproof plain weave laminated kraft paper, which belongs to the technical field of paper product structures and comprises a kraft paper core and a flame retardant layer; the cowhide paper core and the flame retardant layer are wrapped on the inner side of the waterproof structure layer, and the flame retardant layer is respectively coated on the upper side and the lower side of the cowhide paper core and attached to the inner side of the waterproof structure layer. Utilize the splice layer to bond staggered form network structure's nylon wire layer on the kraft paper layer, can further improve the holistic horizontal anti performance of tearing of kraft paper, and utilize the splice layer to bond honeycomb sandwich layer between the kraft paper layer, still can further increase the holistic intensity of kraft paper and anti extrusion performance, through setting up waterproof construction layer, and adopt interior water proof membrane, dry bisque and outer water proof membrane constitute, have dual waterproof performance, even outer water proof membrane breaks, can also utilize dry bisque absorption moisture, and utilize interior water proof membrane to prevent the entering of steam, further strengthen water-proof effects.

Description

Waterproof and moistureproof plain weave laminated kraft paper

Technical Field

The utility model belongs to the technical field of paper products structure, more specifically say, in particular to dampproofing and waterproofing's plain weave drenches membrane kraft paper.

Background

Kraft paper (kraftpaper), used as packaging material, is usually tan, semi-bleached or fully bleached kraft pulp is light brown, cream-colored or white. The quantitative determination is 80-120 g/m 2. The fracture length is generally more than 6000 m. The tear strength, the work of rupture and the dynamic strength are high. Most of them are roll paper and also flat paper. The sulphate softwood pulp is adopted as a raw material, and is pulped and made on a fourdrinier papermaking machine.

If the application number is: in CN 201821166289.4's patent, a fire-retardant, waterproof type kraft paper is disclosed, including the kraft paper core, the exterior surface coating all around of kraft paper core has the polyester paint layer, the top exterior surface coating on polyester paint layer has last fire-retardant layer, the bottom exterior surface coating on polyester paint layer has lower fire-retardant layer, one side surface of going up fire-retardant layer and keeping away from the kraft paper core is provided with the water barrier, the inside of kraft paper core transversely is provided with first kraft paper slip, the inside of kraft paper core is provided with the second kraft paper slip corresponding with first kraft paper slip, the junction adhesion of first kraft paper slip and second kraft paper slip has waterproof glue film. Fire-retardant, waterproof type kraft paper for the kraft paper has fine fire-retardant, waterproof function, through making kraft paper inner structure inseparabler, makes the intensity, the bearing capacity and the crushing resistance of kraft paper improve to some extent, makes the range of application of kraft paper widen, brings better use prospect.

Based on the aforesaid, the water barrier breaks or damages the back on the kraft paper, just leads to waterproof performance to receive the damage easily, and secondly, sets up the rhombus structure between the kraft paper, and its holistic anti extrusion effect is relatively poor, and its horizontal tear resistance performance does not change moreover, damages easily.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a dampproofing and waterproofing's plain weave drenches membrane kraft paper to solve on the kraft paper behind the water barrier breaks or damages, lead to waterproof performance to receive the damage easily, its holistic anti extrusion effect is relatively poor, and its horizontal anti tear performance does not change moreover, the problem of easy damage.

The utility model discloses purpose and efficiency of dampproofing and waterproofing's plain weave drenches membrane kraft paper are reached by following specific technological means:

a waterproof and moistureproof plain film coated kraft paper comprises a kraft paper core and a flame retardant layer; the cowhide paper core and the flame retardant layer are wrapped on the inner side of the waterproof structure layer, and the flame retardant layer is respectively coated on the upper side and the lower side of the cowhide paper core and attached to the inner side of the waterproof structure layer.

Further, the kraft paper core includes kraft paper layer, nylon thread layer, splice layer and sandwich layer, kraft paper layer is equipped with two sets ofly, and has laid the nylon thread layer respectively on kraft paper layer's the both sides face, sandwich layer clamp is between two sets of kraft paper layers.

Furthermore, the nylon wire layer is of a staggered net-shaped structure and is respectively bonded on the end face of the kraft paper layer through the adhesive layer.

Furthermore, the sandwich layer is of a honeycomb sandwich structure and is bonded between the two groups of kraft paper layers through the adhesive layer.

Further, waterproof construction layer, dry powder layer, interior water proof membrane and outer water proof membrane, interior water proof membrane parcel is at the outside end of fire-retardant layer, and dry powder layer fills and the pressure equipment is between interior water proof membrane and outer water proof membrane.

The utility model discloses at least, include following beneficial effect:

the utility model discloses set up nylon wire layer and sandwich layer in the kraft paper core, utilize the splice layer to bond staggered mesh structure's nylon wire layer on kraft paper layer, can further improve the holistic horizontal anti tear performance of kraft paper to utilize the splice layer to bond honeycomb sandwich layer between kraft paper layer, still can further increase the holistic intensity of kraft paper and anti extrusion performance.

The utility model discloses a set up waterproof construction layer to waterproof membrane, dry bisque and outer waterproof membrane constitute in adopting, have dual waterproof performance, even outer waterproof membrane breaks, can also utilize dry bisque absorption moisture, and utilize waterproof membrane in to prevent the entering of steam, further strengthen water-proof effects.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an enlarged schematic view of the position a of the present invention.

Fig. 3 is a schematic diagram of the structure of the nylon wire layer in the present invention.

Fig. 4 is a schematic view of the structure of the middle sandwich layer of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a kraft paper core; 101. a kraft layer; 102. a nylon wire layer; 103. a glue joint layer; 104. a sandwich layer; 2. a flame retardant layer; 3. a waterproof structure layer; 301. drying the powder layer; 302. an inner waterproof membrane; 303. an outer water-proof membrane.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 4:

the utility model provides a waterproof and moistureproof plain weave laminated kraft paper, which comprises a kraft paper core 1 and a flame retardant layer 2; the kraft paper core 1 and the flame retardant layer 2 are wrapped on the inner side of the waterproof structure layer 3, and the flame retardant layer 2 is respectively coated on the upper side and the lower side of the kraft paper core 1 and attached to the inner side of the waterproof structure layer 3.

The kraft paper core 1 includes two kraft paper layers 101, nylon yarn layers 102, adhesive layers 103 and a sandwich layer 104, the kraft paper layers 101 are two groups, the nylon yarn layers 102 are respectively laid on two side faces of the kraft paper layers 101, and the sandwich layer 104 is sandwiched between the two kraft paper layers 101.

Wherein, nylon line layer 102 is alternating expression network structure and bonds on the terminal surface of kraft paper layer 101 through cementing layer 103 respectively, utilizes cementing layer 103 to bond alternating expression network structure's nylon line layer 102 on kraft paper layer 101, can further improve the holistic horizontal tear resistance performance of kraft paper.

The sandwich layer 104 is of a honeycomb sandwich structure and is bonded between the two kraft layers 101 through the bonding layer 103, the honeycomb sandwich layer 104 is bonded between the kraft layers 101 through the bonding layer 103, and the overall strength and the anti-extrusion performance of the kraft can be further improved.

Wherein, waterproof construction layer 3, dry bisque 301, interior water proof membrane 302 and outer water proof membrane 303, interior water proof membrane 302 parcel is at the outside end of fire-retardant layer 2, and dry bisque 301 fills and the pressure equipment is between interior water proof membrane 302 and outer water proof membrane 303, dry bisque 301 is calcium chloride and powder, has dual waterproof performance, even outer water proof membrane 303 breaks, can also utilize dry bisque 301 to absorb moisture, and utilize interior water proof membrane 302 to prevent the entering of steam, further strengthen water-proof effects.

The specific use mode and function of the embodiment are as follows:

the utility model discloses in, the utility model discloses set up nylon wire layer 102 and sandwich layer 104 in kraft paper core 1, utilize splice layer 103 to bond staggered mesh structure's nylon wire layer 102 on kraft paper layer 101, can further improve the holistic horizontal anti tear performance of kraft paper, and utilize splice layer 103 to bond honeycomb sandwich layer 104 between kraft paper layer 101, still can further increase the holistic intensity of kraft paper and anti extrusion performance, through setting up waterproof construction layer 3, and adopt interior water proof membrane 302, dry bisque 301 and outer water proof membrane 303 constitute, dual waterproof performance has, even outer water proof membrane 303 breaks, can also utilize dry bisque 301 absorption moisture, and utilize interior water proof membrane 302 to prevent the entering of steam, further strengthen water-proof effects.

The details of the present invention are well known to those skilled in the art.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a membrane kraft paper is drenched to dampproofing and waterproofing's plain weave, its characterized in that: comprises a kraft paper core (1) and a flame retardant layer (2); the cowhide paper core (1) and the flame retardant layer (2) are wrapped on the inner side of the waterproof structure layer (3), and the flame retardant layer (2) is respectively coated on the upper side and the lower side of the cowhide paper core (1) and attached to the inner side of the waterproof structure layer (3).

2. The waterproof and moisture-proof kraft paper with plain laminated film according to claim 1, wherein: the kraft paper core (1) comprises kraft paper layers (101), nylon thread layers (102), adhesive layers (103) and sandwich layers (104), the kraft paper layers (101) are two groups, the nylon thread layers (102) are respectively laid on two side faces of the kraft paper layers (101), and the sandwich layers (104) are clamped between the two kraft paper layers (101).

3. The waterproof and moisture-proof kraft paper with a scrim according to claim 2, wherein: the nylon wire layer (102) is of a staggered net-shaped structure and is respectively bonded on the end face of the kraft paper layer (101) through a bonding layer (103).

4. The waterproof and moisture-proof kraft paper with a scrim according to claim 2, wherein: the sandwich layer (104) is of a honeycomb sandwich structure and is bonded between the two groups of kraft paper layers (101) through the adhesive layer (103).

5. The waterproof and moisture-proof kraft paper with plain laminated film according to claim 1, wherein: waterproof construction layer (3), dry powder layer (301), interior waterproof membrane (302) and outer waterproof membrane (303), interior waterproof membrane (302) parcel is at the outside end of fire-retardant layer (2), and dry powder layer (301) are filled and the pressure equipment is between interior waterproof membrane (302) and outer waterproof membrane (303).