CN216581980U

CN216581980U - Oxygen indicating type deoxidizer

Info

Publication number: CN216581980U
Application number: CN202122199131.5U
Authority: CN
Inventors: 谢武; 李善青; 黄华焕
Original assignee: Guangdong Guangyi Technology Industrial Co ltd
Current assignee: Guangdong Guangyi Technology Industrial Co ltd
Priority date: 2021-09-10
Filing date: 2021-09-10
Publication date: 2022-05-24
Anticipated expiration: 2031-09-10

Abstract

The utility model provides an oxygen indication type deoxidizer which comprises an deoxidizer part, an oxygen indication part and an outer film, wherein the outer film is used for fixing the oxygen indication part on the surface of the deoxidizer part, an inner film is arranged between the deoxidizer part and the oxygen indication part, the outer film comprises a transparent substrate layer, a first double-sided adhesive layer and a second double-sided adhesive layer, the first double-sided adhesive layer and the second double-sided adhesive layer are adhered to one side of the transparent substrate layer at intervals, the outer film covers the oxygen indication part and the inner film and is adhered to the surface of the deoxidizer part through the first double-sided adhesive layer and the second double-sided adhesive layer, and the oxygen indication part is arranged in a containing cavity formed by enclosing the transparent substrate layer, the first double-sided adhesive layer, the second double-sided adhesive layer and the inner film. The oxygen indicating type deoxidizer disclosed by the utility model isolates the oxygen indicator from the deoxidizer through the inner film, so that the phenomenon that the color rendering property of the oxygen indicator is reduced or the color changing time is slow and the color changing is not obvious due to the influence of high temperature caused by the accumulation and heating of the deoxidizer in the production or use process when the oxygen indicator is in direct contact with the deoxidizer can be avoided.

Description

Oxygen indicating type deoxidizer

Technical Field

The utility model relates to the technical field of food preservation, in particular to an oxygen indication type deoxidizer.

Background

The oxygen indicating type deoxidizer generally comprises an deoxidizer element and an oxygen indicating element, wherein the deoxidizer element is filled in a food packaging bag, can effectively inhibit the growth of mould and aerobic bacteria, prolongs the shelf life of food, and can play a good role in the aspects of preventing rancidity of grease, preventing oxidation and browning of meat, preventing loss of vitamins in food and the like. In order to determine whether a deoxidizer is effective, many deoxidizer products incorporate an oxygen indicator to determine their usefulness.

At present, most of the existing oxygen indication type deoxidizers seal the deoxidizers in packaging bags, the deoxidizer packaging bags are provided with breathable micropores, the packaging bags are designed to be sealed at three sides, and an oxygen indicator is coated in one side sealed side. This scheme is through the heat-seal mode with oxygen indicator cladding in deoxidier packaging bag banding, presses oxygen indicator easily during the sealing of heat-seal sword, because the heat-seal temperature is higher, oxygen indicator is become invalid easily after the high temperature pressfitting or the color development effect descends, so influenced the result of use, and owing to need use heat-seal technology, lead to current scheme production efficiency lower, generally at 70 package/min. If the oxygen indicator is indirectly attached and fixed on the surface of the deoxidizing element by the adhesive, the deoxidizing element can accumulate and generate heat in the production or use process due to the direct contact of the oxygen indicator and the surface of the deoxidizing element, so that the oxygen indicator is directly scalded by high-temperature touch (the highest temperature can reach more than 80 ℃), and the problems of reduced color rendering property, slow color change time, unobvious color change and the like of the oxygen indicator are caused.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, the present invention is directed to an oxygen indicator type deoxidizer, which can effectively avoid the color development influence of high temperature on an oxygen indicator, thereby improving the color development performance and product quality of the oxygen indicator.

In order to realize above-mentioned purpose, the utility model provides an oxygen indication type deoxidizer, include deoxidizer, oxygen indicator and incite somebody to action the oxygen indicator is fixed in deoxidizer surperficial adventitia, deoxidizer with be equipped with the intima between the oxygen indicator, the adventitia include transparent stratum basale and adhere in transparent stratum basale one side and the first two-sided glue film and the second two-sided glue film of interval setting, the adventitia covers the oxygen indicator with the intima just borrows first two-sided glue film with the second two-sided glue film adhere in deoxidizer's surface, the oxygen indicator is arranged in transparent stratum basale first two-sided glue film the second two-sided glue film with the intima encloses and establishes in the holding chamber that forms.

Compared with the prior art, the oxygen indicating type deoxidizer disclosed by the utility model has the advantages that the oxygen indicator is arranged in the accommodating cavity formed by enclosing the transparent substrate layer, the first double-sided adhesive layer, the second double-sided adhesive layer and the inner film, namely the oxygen indicator and the deoxidizer are isolated by the inner film, so that the phenomenon that the color development performance of the oxygen indicator is reduced or the color change time is slow and the color change is not obvious due to the influence of high temperature caused by the accumulation and heat generation of the deoxidizer in the production or use process when the oxygen indicator and the deoxidizer are in direct contact can be avoided. In addition, the oxygen indicator is arranged in the accommodating cavity and is not in direct contact with the first double-sided adhesive layer and the second double-sided adhesive layer, so that materials on the oxygen indicator cannot be adhered, and the performance of the oxygen indicator cannot be influenced.

Preferably, the transparent substrate layer and/or the inner film have permeability or are provided with micropores. Or in another mode, openings are formed in two ends of the accommodating cavity in the length direction of the deoxidizing component, so that oxygen in the food packaging bag or oxygen in the deoxidizing component enters the accommodating cavity to cause the oxygen indicator to color, and the deoxidation condition of the deoxidizing component is judged.

Preferably, the inner film is adhered to the surface of the deoxidizing component, the inner film is a low-viscosity adhesive film with the adhesive force being more than or equal to 0.3kgf/inch, the width of the adhesive film is 9 +/-1 mm, the thickness of the adhesive film is 20-40 micrometers, and the inner film is adhered to the surface of the deoxidizing component and can play a role in positioning when the oxygen indicator is fixed to the surface of the deoxidizing component subsequently.

Preferably, the part of first two-sided glue film adheres to the surface of inner membrance, another part adheres to deoxidier's surface, the part of second two-sided glue film adheres to the surface of inner membrance, another part adheres to deoxidier's surface, can make oxygen indicator more laminate in holding the chamber in transparent stratum basale through the design of this structure to improve the definition of observing so that judge the color development.

Preferably, the width of the oxygen indicator is 0.5-1 mm.

Preferably, the width of the transparent substrate layer is 20 +/-0.5 mm, the width of each of the first double-sided adhesive layer and the second double-sided adhesive layer is 6.75 +/-1 mm, the transparent substrate layer is a non-adhesive film and has a thickness of 20-40 μm, and the thickness of each of the first double-sided adhesive layer and the second double-sided adhesive layer is 10-30 μm.

Preferably, the transparent substrate layer is a transparent PET layer, and the first double-sided adhesive layer and the second double-sided adhesive layer are both pressure-sensitive adhesive tapes. Pressure-sensitive adhesives are used which are initially weak and exhibit a strong and stable tack only after being pressed, thus facilitating the winding and stacking of the material.

Preferably, the adhesive force of the first double-sided adhesive layer and the adhesive force of the second double-sided adhesive layer after pressing are respectively and independently more than or equal to 0.7kgf/inch, and the peeling strength is respectively and independently more than or equal to 10N/m.

Preferably, the oxygen indicator is an oxygen indicator sheet, an oxygen indicator tape or an oxygen indicator line.

Drawings

FIG. 1 is a schematic perspective view of an oxygen indicating deoxidizer of the present invention.

FIG. 2 is a schematic front view of an oxygen indicating type deoxidizer of the present invention.

Fig. 3 is a variation of fig. 2.

Description of the elements

100-oxygen indicating type deoxidizer; 10-a deoxidizer element; 30-an oxygen indicator; 50-inner membrane; 70-outer membrane; 710-a transparent substrate layer; 730-a first double-sided adhesive layer; 750-a second double-sided adhesive layer; accommodating chamber-90

Detailed Description

The oxygen indicating type deoxidizer of the present invention will be described in further detail below with reference to the drawings of the specification given below.

As shown in fig. 1 to 3, the oxygen indicator type deoxidizer 100 includes an deoxidizer 10, an oxygen indicator 30 and an outer film 70 for fixing the oxygen indicator 30 on the surface of the deoxidizer 10, wherein an inner film 50 is disposed between the deoxidizer 10 and the oxygen indicator 30, the outer film 70 includes a transparent substrate layer 710, a first double-sided adhesive layer 730 and a second double-sided adhesive layer 750 adhered to one side of the transparent substrate layer 710 and disposed at intervals, the outer film 70 covers the oxygen indicator 30 and the inner film 50 and is adhered to the surface of the deoxidizer 10 via the first double-sided adhesive layer 730 and the second double-sided adhesive layer 750, and the oxygen indicator 30 is disposed in a containing cavity 90 surrounded by the transparent substrate layer 710, the first double-sided adhesive layer 730, the second double-sided adhesive layer 750 and the inner film 50.

Wherein, the deoxidizer 10 can include deoxidizer body and deoxidizer membrane of sealed deoxidizer body, and the deoxidizer membrane is the membrane that itself has the gas permeability or seted up the micropore, and the deoxidizer membrane also is trilateral banding structure, and the deoxidizer body can be powder, slice, bulk, granule, liquid form, paste.

The oxygen indicator 30 may be an oxygen indicator sheet, an oxygen indicator tape or an oxygen indicator line, and the width of the oxygen indicator 30 is 0.5 to 1 mm.

The inner film 50 is adhered to the surface of the deoxidizing component 10, the inner film 50 is a low-viscosity adhesive film with the adhesive force being more than or equal to 0.3kgf/inch, the width is 9 +/-1 mm, the thickness is 20-40 mu m, and the inner film 50 is adhered to the surface of the deoxidizing component 10 and can play a role in positioning the oxygen indicator 30 fixed to the surface of the deoxidizing component 10 subsequently. Of course, the inner film 50 may also be air permeable or micro-porous, so that oxygen in the oxygen absorbent article 10 may enter the accommodating cavity 90 to cause the oxygen indicator 30 to color, thereby determining the deoxidation condition of the oxygen absorbent article 10.

The outer film 70 may be attached to the deoxidizer element 10 in various ways, such as, as shown in fig. 2, a portion of the first double-sided adhesive layer 730 is adhered to the surface of the inner film 50, another portion is adhered to the surface of the deoxidizer element 10, a portion of the second double-sided adhesive layer 750 is adhered to the surface of the inner film 50, and another portion is adhered to the surface of the deoxidizer element 10. Alternatively, as shown in fig. 3, the first two-sided adhesive layer 730 is adhered only to the surface of the deoxidizer member 10, and the second two-sided adhesive layer 750 is adhered only to the surface of the deoxidizer member 10. In contrast, the design of the former structure can make the oxygen indicator 30 fit more closely to the transparent substrate layer 710 in the accommodating cavity 90, thereby improving the visibility for observation and facilitating the judgment of color development. The width of the transparent substrate layer 710 is 20 +/-0.5 mm, the width of each of the first double-sided adhesive layer 730 and the second double-sided adhesive layer 750 is 6.75 +/-1 mm, the thickness of the transparent substrate layer 710 is 20-40 mu m and is a non-adhesive film, and the thickness of each of the first double-sided adhesive layer 730 and the second double-sided adhesive layer 750 is 10-30 mu m. The transparent substrate layer 710 is a transparent PET layer, and the first double-sided adhesive layer 730 and the second double-sided adhesive layer 750 are both pressure sensitive adhesive tapes. Pressure-sensitive adhesives are used which are initially weak and exhibit a strong and stable tack only after being pressed, thus facilitating the winding and stacking of the material. The adhesive force of the first double-sided adhesive layer 730 and the adhesive force of the second double-sided adhesive layer 750 after pressing are respectively and independently more than or equal to 0.7kgf/inch, and the peeling strength is respectively and independently more than or equal to 10N/m. The transparent substrate layer 710 has permeability or is provided with micropores, so that oxygen in the food packaging bag can penetrate through the transparent substrate layer 710 and enter the accommodating cavity 90 to cause the oxygen indicator 30 to be colored, and the deoxidation condition of the deoxidizing device 10 can be judged.

It should be further noted that, in order to make oxygen in the food packaging bag enter the accommodating cavity 90 to cause the oxygen indicator 30 to color, openings (not shown) may be provided at both ends of the accommodating cavity 90 along the length direction of the oxygen scavenger 10, and the oxygen in the food packaging bag enters the accommodating cavity 90 through the openings.

The oxygen indicating type deoxidizer 100 of the utility model places the oxygen indicator 30 in the accommodating cavity 90 enclosed by the transparent substrate layer 710, the first double-sided adhesive layer 730, the second double-sided adhesive layer 750 and the inner film 50, namely, the oxygen indicator 30 and the deoxidizer 10 are isolated by the inner film 50, so that the phenomenon that the color rendering property of the oxygen indicator 30 is reduced or the color changing time is slow and the color changing is not obvious due to the influence of high temperature caused by the accumulation and heat generation of the deoxidizer 10 in the production or use process when the oxygen indicator 30 and the deoxidizer 10 are in direct contact can be avoided. In addition, the oxygen indicator 30 is disposed in the accommodating chamber 90 without being in direct contact with the first and second double-sided

adhesive layers

730 and 750, so that the material on the oxygen indicator 30 is not adhered and the performance of the oxygen indicator 30 is not affected.

The above disclosure is only a preferred embodiment of the present invention, which is convenient for those skilled in the art to understand and implement, and certainly not to limit the scope of the present invention, therefore, the present invention is not limited by the claims and their equivalents.

Claims

1. The utility model provides an oxygen indicating type deoxidier, its characterized in that includes deoxidier, oxygen indicator and incites somebody to action the oxygen indicator is fixed in deoxidier surperficial adventitia, deoxidier with be equipped with the intimal between the oxygen indicator, the adventitia include transparent stratum basale and adhesion in transparent stratum basale one side and the first two-sided glue film and the two-sided glue film of second that the interval set up, the adventitia covers the oxygen indicator with the intimal just borrows first two-sided glue film with the two-sided glue film of second adheres to the surface of deoxidier, the oxygen indicator is arranged in transparent stratum basale first two-sided glue film the second two-sided glue film with the intimal encloses to establish in the holding chamber that forms.

2. The oxygen indicating deoxidizer of claim 1, wherein: the transparent substrate layer and/or the inner film have air permeability or are provided with micropores.

3. The oxygen indicating deoxidizer of claim 1, wherein: the holding cavity is provided with openings at two ends along the length direction of the deoxidizer.

4. The oxygen indicating deoxidizer of claim 1, wherein: the inner film is adhered to the surface of the deoxidizing agent, is a low-viscosity adhesive film with the adhesive force being more than or equal to 0.3kgf/inch, is 9 +/-1 mm in width and is 20-40 mu m in thickness.

5. The oxygen indicating type deoxidizer according to any one of claims 1 to 4, characterized in that: the part of first two-sided glue film adheres to the surface of inner membrance, another part adheres to the surface of deoxidier, the part of second two-sided glue film adheres to the surface of inner membrance, another part adheres to the surface of deoxidier.

6. The oxygen indicating deoxidizer of claim 5, wherein: the width of the oxygen indicator is 0.5-1 mm.

7. The oxygen indicating deoxidizer of claim 5, wherein: the width of the transparent substrate layer is 20 +/-0.5 mm, the width of each of the first double-sided adhesive layer and the second double-sided adhesive layer is 6.75 +/-1 mm, the transparent substrate layer is an inviscid adhesive film and the thickness of the transparent substrate layer is 20-40 mu m, and the thickness of each of the first double-sided adhesive layer and the second double-sided adhesive layer is 10-30 mu m.

8. The oxygen indicating deoxidizer of claim 1, wherein: the transparent substrate layer is a transparent PET layer, and the first double-sided adhesive layer and the second double-sided adhesive layer are both pressure-sensitive adhesive tapes.

9. The oxygen indicating deoxidizer of claim 8, wherein: the adhesive force of the first double-sided adhesive layer and the adhesive force of the second double-sided adhesive layer after pressing are respectively and independently more than or equal to 0.7kgf/inch, and the peeling strength is respectively and independently more than or equal to 10N/m.

10. The oxygen indicating deoxidizer of claim 1, wherein: the oxygen indicator is an oxygen indicator sheet, an oxygen indicator tape or an oxygen indicator line.