CN215203775U

CN215203775U - High-toughness plastic film for food packaging bag

Info

Publication number: CN215203775U
Application number: CN202022556301.6U
Authority: CN
Inventors: 余建仁
Original assignee: Hangzhou Golden Flame Packaging & Multi Color Printing Co ltd
Current assignee: Hangzhou Golden Flame Packaging & Multi Color Printing Co ltd
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-12-17
Anticipated expiration: 2030-11-06

Abstract

The utility model provides a high tenacity plastic film for food package bag belongs to plastic products technical field. The novel anti-seismic base layer comprises a base layer (1), wherein a first toughness layer (2), a first enhancement layer (3), an elastic layer (4) and a first antibacterial layer (5) are sequentially arranged on the upper side of the base layer (1) from inside to outside, the first toughness layer (2) is provided with at least three first grooves (21), the first enhancement layer (3) is provided with at least three first ribs (31), the first ribs (31) and the first grooves (21) are matched with each other, the first ribs (31) are inserted into the first grooves (21), and the elastic layer (4) is woven by warp fibers (41) and weft fibers (42). When the plastic film is stretched, the plastic film provides reserved extension space through the first groove of the first toughness layer, the warp fibers and the weft fibers of the elastic layer, and the toughness of the film is increased.

Description

High-toughness plastic film for food packaging bag

Technical Field

The utility model belongs to the technical field of plastic products, a high tenacity plastic film for food package bag is related to.

Background

With the development of economy and the adjustment of food industry structure, the market demand of various industries in China on plastic films is continuously rising. The plastic film industry in China is in a vigorous development stage, and the demand of the plastic film in China is known to increase at a rate of more than 9% every year. And with the continuous emergence of various new materials, new equipment and new processes, the plastic films in China are promoted to develop towards diversified and specialized varieties and multifunctional composite films.

Plastic films are most widely used in the packaging field. The plastic film can be used for food packaging, electric appliance product packaging, daily necessity packaging, clothing packaging and the like. They have in common the requirement for high surface free energy, high tension, high toughness of the plastic film to facilitate daily use, and for strong adhesion of the printing ink, adhesive or aluminized layer to the plastic film. At present, the toughness and the tension of the traditional plastic film in China still need to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem, provide a high tenacity plastic film for food package bag.

In order to achieve the above purpose, the utility model adopts the following technical proposal:

high tenacity plastic film for food package bag, including the basic unit, the basic unit upside is equipped with first toughness layer, first enhancement layer, elastic layer and first antibiotic layer by interior outside to in proper order, and first toughness layer is equipped with at least three first recess, and first enhancement layer is equipped with at least three first bead, and first bead and first recess mutually support the setting, and first bead is pegged graft in first recess, and the elastic layer includes warp direction fibre and latitudinal direction fibre, and the elastic layer is formed for warp direction fibre and latitudinal direction fibre establishment.

In the plastic film for a high-toughness food packaging bag, the first toughness layer is bonded to the first reinforcement layer.

In the plastic film for the high-toughness food packaging bag, the cross section of the first groove is trapezoidal, the cross section of the first rib is rectangular, and a gap is formed between the first rib and the first groove. A first gap is arranged between the top of the first convex edge and the bottom of the first groove, and a second gap is arranged between the side wall of the first convex edge and the side wall of the first groove.

In the plastic film for the high-toughness food packaging bag, the gap is filled with the bonding glue. The first gap and the second gap are filled with bonding glue.

In the plastic film for a high-toughness food packaging bag, the gap is filled with inert gas. The first gap and the second gap are filled with inert gas.

In the plastic film for a high-toughness food packaging bag, the second antibacterial layer is bonded to the lower side of the base layer.

In the plastic film for the high-toughness food packaging bag, the lower side of the base layer is sequentially provided with the second toughness layer, the second reinforcing layer and the second antibacterial layer from inside to outside, the second toughness layer is provided with at least three second grooves, the second reinforcing layer is provided with at least three second ribs, and the second ribs are inserted into the second grooves.

In the plastic film for a high-toughness food packaging bag, the first groove and the second groove are parallel or vertical to each other.

In the plastic film for the high-toughness food packaging bag, the surface of the first antibacterial layer is provided with point-shaped bulges. The protrusions arranged on the surface of the first antibacterial layer provide extension space for the extension of the plastic film, so that the toughness of the plastic film is improved.

In the plastic film for the high-toughness food packaging bag, the two sides of the first antibacterial layer are provided with strip-shaped bulges. The strip-shaped bulges are convenient for uncovering the plastic film.

Compared with the prior art, the utility model has the advantages of:

the utility model discloses the first toughness layer and the elastic layer that are equipped with have increased plastic film's toughness. The first groove arranged on the first toughness layer provides an extension space for the plastic film when the plastic film is stretched in the direction vertical to the first groove, and the toughness of the plastic film is increased. The first rib and the first groove of the first reinforcing layer are matched with each other, so that the toughness of the first toughness layer is improved, and meanwhile, the plastic film is reinforced by the first rib. Be equipped with the clearance between first bead and the first recess, provide the deformation space for first toughness layer extends. The utility model discloses an among the elastic layer, the warp direction fibre and latitudinal direction fibre of establishment together provide toughness for plastic film each side extends.

When the first groove and the second groove are parallel to each other, the toughness of the plastic film is improved when the first groove is stretched in the vertical direction. When first recess and second recess mutually perpendicular, all provide tensile space for first recess extending direction and first recess perpendicular direction, plastic film's horizontal, vertically all increased toughness.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a partially enlarged view of a in fig. 1.

Fig. 3 is a schematic view of the structure of the elastic layer.

Fig. 4 is a schematic view of the position of the second antibacterial layer.

Fig. 5 is a schematic illustration of the location of the second malleable layer and the second grooves.

Fig. 6 is a partially enlarged view of B in fig. 5.

Fig. 7 is a schematic structural view of a dot-shaped protrusion.

Fig. 8 is a schematic structural view of the stripe-shaped projections.

In the figure: the antibacterial floor comprises a base layer 1, a first tough layer 2, a first groove 21, a gap 22, a first reinforcing layer 3, an elastic layer 4, warp fibers 41, weft fibers 42, a first antibacterial layer 5, point-shaped protrusions 51, strip-shaped protrusions 52, a second tough layer 6, a second groove 61, a second reinforcing layer 7, a second rib 71 and a second antibacterial layer 8.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1-3, the plastic film for the high-toughness food packaging bag comprises a base layer 1, wherein a first toughness layer 2, a first reinforcing layer 3, an elastic layer 4 and a first antibacterial layer 5 are sequentially arranged on the upper side of the base layer 1 from inside to outside, the first toughness layer 2 is provided with at least three first grooves 21, the first reinforcing layer 3 is provided with at least three first ribs 31, the first ribs 31 and the first grooves 21 are mutually matched, the first ribs 31 are inserted into the first grooves 21, the elastic layer 4 comprises warp fibers 41 and weft fibers 42, and the elastic layer 4 is woven by the warp fibers 41 and the weft fibers 42.

Wherein, the first flexible layer 2 and the first reinforcing layer 3 are polyvinyl chloride plastic films. The warp fibers 41 and weft fibers 42 are silicone polymer synthetic fibers. The first antibacterial layer 5 is an aluminized film layer.

The first groove 21 arranged on the first flexible layer 2 provides an extension space for the plastic film when the plastic film is stretched in the direction perpendicular to the first groove 21, so that the flexibility of the plastic film is increased. The first groove 21 and the first reinforcing layer 3 are mutually matched, and the first rib 31 reinforces the plastic film while increasing the toughness of the first toughness layer 2. The warp and

weft fibres

41, 42 woven together in the elastic layer 4 provide flexibility to the plastic film for every direction of elongation.

Preferably, the first flexible layer 2 is bonded to the first reinforcing layer 3.

Preferably, the cross section of the first groove 21 is trapezoidal, the cross section of the first rib 31 is rectangular, and a gap 22 is formed between the first rib 31 and the first groove 21. A gap is arranged between the first groove 21 and the first rib 31 of the first reinforcing layer 3, and a deformation space is provided for the extension of the first flexible layer 2.

Preferably, the gap 22 is filled with adhesive. The adhesive glue is food-grade adhesive silica gel.

Preferably, the gap 22 is filled with an inert gas. The inert gas may be nitrogen.

Preferably, as shown in fig. 4, a second antibacterial layer 8 is adhered to the lower side of the base layer 1. The second antibacterial layer is an aluminum-plated film layer.

Preferably, as shown in fig. 5 to 6, the lower side of the base layer 1 is sequentially provided with a second flexible layer 6, a second reinforcing layer 7 and a second antibacterial layer 8 from inside to outside, the second flexible layer 6 is provided with at least three second grooves 61, the second reinforcing layer 7 is provided with at least three second ribs 71, and the second ribs 71 are inserted into the second grooves 61. The first groove 21 and the second groove 61 are parallel or perpendicular to each other. The second flexible layer 6 is a polyvinyl chloride plastic film. When the first groove 21 and the second groove 61 are parallel to each other, the toughness of the plastic film when the first groove 21 is stretched in the vertical direction is increased. When the first groove 21 and the second groove 61 are perpendicular to each other, a stretching space is provided for the extending direction of the first groove 21 and the direction perpendicular to the first groove 21, and the toughness is increased in the transverse direction and the longitudinal direction of the plastic film.

Preferably, as shown in fig. 7-8, the first antibacterial layer 5 has dot-shaped protrusions 51 on the surface thereof, and the dot-shaped protrusions 51 may be directly formed by stamping or may be formed by pressing with a mold. The dot-shaped protrusions 51 on the surface of the first antibacterial layer 5 provide extension spaces for the plastic film to extend in all directions.

Preferably, strip-shaped protrusions 52 are disposed on both sides of the first antibacterial layer 5. The strip-shaped protrusions 52 are arranged on both sides of the first antibacterial layer 5, so that the plastic film can be conveniently lifted.

The working process of the embodiment is as follows: the plastic film is lifted up by the strip-shaped protrusions 51 at both sides of the first antibiotic layer 5.

When the plastic film is stretched, the plastic film provides a reserved extension space through the first grooves 21 of the first flexible layer 2, the second grooves 62 of the second flexible layer 6, the warp fibers 41 and the weft fibers 42 of the elastic layer 4 and the punctate protrusions 51 on the surface of the first antibacterial layer 5, so that the flexibility of the film is improved. In addition, a gap is formed between the first rib 31 and the first groove 21, so as to provide a deformation space for the first flexible layer 2 to extend.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. High tenacity plastic film for food package bag, a serial communication port, including basic unit (1), basic unit (1) upside is equipped with first toughness layer (2) by interior outside to in proper order, first enhancement layer (3), elastic layer (4) and first antibiotic layer (5), first toughness layer (2) are equipped with at least three first recess (21), first enhancement layer (3) are equipped with at least three first bead (31), first bead (31) and first recess (21) mutually support the setting, peg graft in first recess (21) first bead (31), elastic layer (4) include warp direction fibre (41) and latitudinal direction fibre (42), elastic layer (4) are woven for warp direction fibre (41) and latitudinal direction fibre (42) and form.

2. The plastic film for a high toughness food packaging bag according to claim 1, wherein the first toughness layer (2) is bonded to the first reinforcing layer (3).

3. The plastic film for a high tenacity food packaging bag according to claim 1 or 2, wherein the cross section of the first groove (21) is trapezoidal, the cross section of the first rib (31) is rectangular, and a gap (22) is provided between the first rib (31) and the first groove (21).

4. The plastic film for a high toughness food packaging bag according to claim 3, wherein the gap (22) is filled with a bonding paste.

5. The plastic film for a high toughness food packaging bag according to claim 3, wherein the gap (22) is filled with an inert gas.

6. The plastic film for a high toughness food packaging bag according to claim 1, wherein a second antibacterial layer (8) is bonded to the lower side of the base layer (1).

7. A high tenacity plastic film for food packaging bags according to claim 1, wherein the lower side of the base layer (1) is provided with a second tenacity layer (6), a second reinforcing layer (7) and a second antibacterial layer (8) in this order from inside to outside, the second tenacity layer (6) is provided with at least three second grooves (61), the second reinforcing layer (7) is provided with at least three second ridges (71), and the second ridges (71) are inserted into the second grooves (61).

8. The high tenacity plastic film for food packaging bag according to claim 7, wherein the first groove (21) and the second groove (61) are parallel or perpendicular to each other.

9. The plastic film for a high toughness food packaging bag according to claim 1, wherein the surface of the first antibacterial layer (5) is provided with dot-like protrusions (51).

10. The plastic film for a high toughness food packaging bag according to claim 1, wherein the first antibacterial layer (5) is provided with strip-shaped protrusions (52) on both sides.