CN213681511U

CN213681511U - Vertical fiber label paper

Info

Publication number: CN213681511U
Application number: CN202021668168.7U
Authority: CN
Inventors: 孙洁; 陈威; 袁冬平; 苏本荣; 顾云霞; 张辉
Original assignee: China Resources Snow Beer Zhejiang Co ltd; China Resources Snow (china) Breweries
Current assignee: China Resources Snow Beer Zhejiang Co ltd; China Resources Snow (china) Breweries
Priority date: 2020-08-12
Filing date: 2020-08-12
Publication date: 2021-07-13
Anticipated expiration: 2030-08-12

Abstract

The utility model provides a erect fibre label paper, it is by printing ink layer, printing layer, aluminize layer, before aluminizing precoat, tombarthite coating layer, fibrous layer and back treatment layer stack gradually and form. The orientation arrangement of the fibers in the paper directly affects the planar mechanical properties and dimensional stability of the paper, which results in better paper surface strength and printability in the vertical fiber direction. Therefore, the label paper is curled left and right instead of up and down after absorbing water. The influence of left-right curling on the product body mark is very small, and the problems of mark clamp printing and bubbling of the product body mark curling up and down when meeting water are well solved.

Description

Vertical fiber label paper

Technical Field

The utility model relates to a label field specifically is a perpendicular fibre label paper.

Background

The outer package of the product is the first impression of the product to the consumer. The quality of the outer package directly affects the purchasing desire of the consumer. With the improvement of living standard and aesthetic consciousness of people, the requirement of consumers on the external packaging quality is higher and higher. Therefore, it is very important to solve the quality problem of the outer package. The prior bottled product generally has label paper made of fibers on the bottle body. Because the vertical and horizontal moisture absorption swelling degrees of the label paper are different, when the ambient air is moist, the moisture in the paper is less, the paper edge is elongated after absorbing water, the original state or a little change is still kept in the middle of the paper, the paper edge is curled or tilted as a result, the appearance of the product is seriously influenced, meanwhile, the moisture absorption swelling label paper can also cause the defects of label clamping printing, bubbling and the like of the product label in the labeling process of the labeling machine, the production efficiency is seriously influenced, and the serious economic loss is brought.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a erect fibre label paper, solved the problem that the background art provided.

In order to achieve the above object, the utility model provides a following technical scheme:

a vertical fiber label paper comprises an ink layer, a printing layer, an aluminum plating layer, a pre-coating layer before aluminum plating, a rare earth coating layer, a fiber layer and a back treatment layer.

Preferably, the ink layer and the printing layer are wrapped outside the aluminum-plated layer and are positioned on the outermost layer of the whole piece of label paper.

Preferably, the paint used for the ink layer and the printing layer is gloss oil and ink.

Preferably, the printing process of the utility model adopts a gravure printing process.

Preferably, the aluminum-plated layer is composed of base paper and aluminum foil.

Preferably, the base paper consists of waterproof copperplate paper.

Preferably, the utility model discloses a vacuum gasification aluminizing technique, coating machine version roller coating.

Preferably, the surface of the aluminized layer is subjected to coating treatment in advance to form a pre-aluminized precoat layer.

Preferably, the back surface of the vertical fiber label paper is back coated with a moisture-regaining coating.

Has the advantages that: the utility model discloses a wine body label paper use the more paper of vertical fiber as the basis, the vertical of regulation label paper, also be simultaneously that the direction that fibre vertical arrangement is the most is forward, and the directional planar mechanical properties and the dimensional stability who directly influences paper of arranging of fibre in the paper, this makes vertical fiber direction have better paper surface strength and printability. According to the label paper, after water is absorbed, the label paper can be curled left and right instead of up and down, the influence of the left and right curling on the product body label is very small, and the problems of label clip printing and bubbling of the product body label curling up and down when meeting water are well solved.

Drawings

Fig. 1 is a schematic structural diagram of a vertical fiber label paper according to the present invention;

FIG. 2 is an electron microscope image of the fibers of the fiber layer of the present invention;

FIG. 3 is a schematic view of a vertical fiber labeling simulation;

FIG. 4 is a schematic view of the use state of the label paper;

1, ink layer; 2. printing layer; 3. plating an aluminum layer; 4. pre-coating a layer before aluminizing; 5. a rare earth coating layer; 6. a fibrous layer; 7. and a back side processing layer.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1, the utility model provides a erect fibrous wine body label paper, it is laminated in proper order by printing ink layer 1, printing layer 2, aluminize layer 3, before aluminizing precoat 4, tombarthite coating layer 5, fibrous layer 6 and back treatment layer 7 and forms, each layer thickness is as shown in table 1.

TABLE 1 thickness of each layer of label paper

Serial number	Item	Thickness (mm)
			1	Printing ink layer	0.007～0.009
2	Printing layer	0.001～0.003
			3	Aluminized layer	0.0002～0.0005
4	Precoat before aluminizing	0.001～0.004
			5	Rare coating layer	0.02～0.04
6	Fibrous layer	0.03～0.05
			7	Back side treatment layer	0.001～0.002

The ink layer 1 and the printing layer 2 are positioned on the outermost layer of the whole label paper. Because the adopted printing process is a gravure printing process, the printing process can be structurally divided into a printing layer 2 with a recess and an ink layer 1 coated with paint, but in actual operation, the printing layer 2 and the ink layer 1 participate in the printing process at the same time.

The ink coating 1 is gloss oil and ink, the gloss oil is water-based gloss oil with water and alcohol as main solvents, and the coating weight of the gloss oil is 3g/m²The selected ink has excellent water resistance and friction resistance and excellent alkali washing performance, and simultaneously the label paper has excellent ink retention performance, and the coating weight of the ink is 4g/m²。

The lower surface of the printing layer 2 is adjacent to the aluminum-plated layer 3. The printing adopts a gravure process, and the contents of patterns, information and the like of the label paper are printed on the aluminized paper through a plate cylinder. The intaglio printing uses the cylinder pit with the needed picture and text to carry ink, the thickness of the lines and the gradation of the ink can be controlled at will during the plate making, and the printing is not easy to imitate and forge. The intaglio printing has the advantages of large ink consumption, rich image-text colors, clear layers, clear lines, strong color reappearance and strong layout durability.

The aluminized layer 3 is composed of base paper and aluminum foil and provides required strength for the label paper. The utility model adopts the water-proof copper plate paper as the raw paper, adopts the vacuum gasification aluminum plating technology, and the coating machineThe thickness of the aluminum layer of the plate roller coating is 0.02-0.03 mu m, and the consumption of the aluminum material is 0.15g/m²。

Before aluminizing, the surface of base paper needs to be coated and pretreated to form a precoating layer 4 before aluminizing, the aluminized paper manufactured by the method has high water resistance and mechanical strength and is not easy to curl, meanwhile, the precoating layer can fill micropores on the surface of fibers, and the brightness, flatness and smoothness of the aluminized layer are increased, so that the aluminized paper has good printing performance, and can be tightly and flatly attached to a bottle body, the permeability of alkaline liquor is good, and when a recovered wine bottle is cleaned, a label on the bottle wall can be wholly peeled off in the alkaline liquor without being torn and broken, and the label peeling performance is good. The main components of the coating are acrylic resin and various additives, and the coating weight of the coating is 5g/m²。

The rare earth coating layer 5 mainly has the functions of improving the adhesion firmness of the aluminum plating layer and protecting the aluminum plating layer from being oxidized, the main components of the coating are acrylic resin, gel and various additives, and the coating weight of the coating is 6.5g/m²。

Fibrous layer 6 is the part of label paper, the utility model discloses use label paper's vertical, also be the most direction of fibre vertical arrangement simultaneously and be forward, it is by the directional upper portion in label paper lower part. Fig. 3 is a schematic view showing a vertical fiber labeling simulation, fig. 4 is a schematic view showing a use state of label paper, and a direction indicated by an arrow in the drawing is a vertical direction. The width of the fiber in the fiber layer is 0.003-0.005 mm, and the paper density is 1-1.18 g/cm³. In the process of making paper, the moment of force received by the fibers on the cross section sprayed by a head box is minimum, the flowing tendency of the fibers leads to the arrangement of the fibers in the paper along the paper machine direction, so the fibers which are generally vertically arranged are more than transverse, the paper used by the utility model is especially so, the vertical-transverse ratio of the fibers is more than or equal to 8:2, the electron microscope picture is shown in figure 2, the arrow direction is the direction in which the fibers are vertically arranged most, and the arrow points to the upper part of the label from the lower part of the label. The orientation arrangement of the fibers in the paper directly affects the planar mechanical properties and dimensional stability of the paper, which results in better paper surface strength and printability in the vertical fiber direction.

Under the fibre layer 6 is coated withA back coating consisting of glycerin and water forms a back treatment layer 7, the back coating mainly serves as a protective coating on the back surface of the base paper to prevent waste discharge, the adhesive around the rewound label is adhered to the base paper, and the coating weight is 2g/m²。

Comparative example 1

A batch of vertical fiber and transverse fiber label paper is manufactured in a trial mode, a machine is used for sticking in a trial mode, extreme condition comparison experiments are manufactured by spraying water to the surfaces of the labels, and the results are shown in table 2.

TABLE 2 situation where the labeling on machine of vertical and horizontal fiber label paper is affected by extreme conditions

And (3) test results: compared with the common transverse fiber label paper, the vertical fiber label paper has obvious attenuation resistance effect.

Comparative example 2

A batch of products labeled with vertical fiber label paper and a batch of products labeled with common transverse fiber label paper are respectively placed in a dryer with the relative humidity of 35% -85% (the products are all produced in the same factory and stored in the same environment), the test lasts for 48 hours, the degree of deformation of the surfaces of the two products labeled with the label paper is observed and compared, and the results are shown in table 3.

TABLE 3 warping of the label paper at different relative humidities for two products labeled with the label paper

Above test result explains, the utility model discloses a vertical fiber label paper has fine anti attenuation effect on the problem that the reply product body mark met water and curls from top to bottom.

Claims

1. The vertical fiber label paper is characterized by being formed by sequentially stacking an ink layer (1), a printing layer (2), an aluminum-plated layer (3), a pre-coating layer (4) before aluminum plating, a rare earth coating layer (5), a fiber layer (6) and a back treatment layer (7), wherein fibers in the fiber layer (6) are vertically arranged.

2. The vertical fiber label paper according to claim 1, wherein the width of the fiber layer is 0.003-0.005 mm, the vertical/horizontal ratio of the fiber is 8:2 or more, and the paper density is 1-1.18 g/cm³。

3. The vertical fiber label paper according to claim 1, wherein the ink layer (1) has a thickness of 0.007 to 0.009mm, the print layer (2) has a thickness of 0.001 to 0.003mm, the aluminized layer (3) has a thickness of 0.0002 to 0.0005mm, the pre-aluminized layer (4) has a thickness of 0.001 to 0.004mm, the rare earth coating layer (5) has a thickness of 0.02 to 0.04mm, the fiber layer (6) has a thickness of 0.03 to 0.05mm, and the back treatment layer (7) has a thickness of 0.001 to 0.002 mm.

4. The vertical fiber label paper according to claim 1, wherein the coating materials used for the ink layer (1) and the printing layer (2) are gloss oil and ink, and the coating amounts are 3g/m²And 4g/m²。

5. Vertical fibre label paper according to claim 1, characterized in that the print layer (2) is printed using gravure printing technique.

6. Vertical fibre label paper according to claim 1, characterized in that the aluminized layer (3) consists of base paper and aluminium foil, wherein the base paper is a water-proof coated paper.

7. The vertical fiber label paper as claimed in claim 1, wherein the aluminum coating layer (3) adopts vacuum evaporation aluminum coating technology, the thickness of the aluminum coating layer is 0.02 μm-0.03 μm, and the consumption of the aluminum coating is 0.15g/m²。

8. The vertical fiber label paper according to claim 1, characterized in that the pre-coating layer (4) before aluminizing adopts paint with acrylic resin and various additives as main components, and the coating weight is 5g/m²。

9. Vertical fiber label paper according to claim 1, characterized in that the coating material used for the rare earth coating layer (5) comprises acrylic resin, gel and various additives as main components, and the coating material coating amount is 6.5g/m²。

10. Vertical fibre label paper according to claim 1, characterized in that the fibre layer (6) is back-coated with a protective coating, the main constituents of which are glycerol and water, to form a back-treatment layer (7), the coating weight being 2g/m²。