WO2018184321A1

WO2018184321A1 - Constant-humidity, quality-maintaining and aroma-conservation aluminum plating transferring inner liner for cigarette and manufacturing process therefor

Info

Publication number: WO2018184321A1
Application number: PCT/CN2017/093800
Authority: WO
Inventors: 陈毕峰; 陈慷磊
Original assignee: 广州市花都联华包装材料有限公司
Priority date: 2017-04-07
Filing date: 2017-07-21
Publication date: 2018-10-11
Also published as: CN106868932B; CN106868932A

Abstract

A constant-humidity, quality-maintaining and aroma-conservation aluminum plating transferring inner liner for a cigarette, comprising a raw paper layer, wherein a composite rubber layer, an aluminum plating film layer and a water-based protection layer are sequentially arranged on the upper surface of the raw paper layer from inside to outside; the lower surface of the raw paper layer is provided with a moisture humidifying layer; the inner liner for a cigarette also comprises a moisture preservation and aroma conservation layer arranged on the upper surface or the lower surface of the raw paper layer, wherein the moisture preservation and aroma conservation layer is arranged between the raw paper layer and the composite rubber layer or is arranged between the raw paper layer and the moisture humidifying layer. Further disclosed is a manufacturing process for the constant-humidity, quality-maintaining and aroma-conservation aluminum plating transferring inner liner for a cigarette. The aluminum plating transferring inner liner for a cigarette may effectively balance the moisture of a cigarette product and maintain the quality of the cigarette product by means of the arrangement of the moisture preservation and aroma conservation layer.

Description

Lining paper for constant humidity, quality and fragrance-proof aluminum-plated transfer cigarette and manufacturing process thereof

Technical field

The invention relates to a lining paper and a manufacturing process thereof, in particular to a lining paper for aluminum-plated transfer tobacco with a constant humidity, quality and scent-proof function for cigarette packaging and a corresponding manufacturing process thereof, belonging to the technical field of papermaking .

Background technique

The lining paper for cigarettes is used as a supporting material for cigarette packaging, and its function is to block the cigarette. The lining paper for cigarettes currently used on the market mainly consists of aluminum foil composite inner liner paper, aluminized transfer liner paper, vacuum aluminized inner liner paper and aluminum-free inner liner paper clock. Due to the difference in moisture permeability index of the inner liner paper and its calibrated moisture content (5%±1%), when the cigarette package is put into the market, the moisture of the cigarette itself will be different with the storage time and the relative humidity and temperature difference of the environment. Mildew occurs due to long storage time and high temperature, high humidity storage environment, and low temperature, low humidity storage environment will affect the quality of cigarettes. Therefore, how to solve the problem of the change of cigarette quality caused by the change of relative humidity and temperature of cigarettes has always been an urgent problem to be solved in the tobacco field.

Summary of the invention

The object of the present invention is to overcome the deficiencies of the prior art and to provide an aluminum-plated transfer tobacco inner liner paper having a constant moisture quality and aroma retention function. Further, another object of the present invention is to provide a process for producing an aluminum-plated transfer tobacco inner liner paper having the constant moisture quality and fragrance retention function.

To achieve the above object, the present invention adopts the following technical solutions:

The invention relates to a lining paper for a constant-humidity, aroma-protecting and aluminizing transfer tobacco, comprising a base paper layer, wherein: the upper surface of the base paper layer is provided with a composite adhesive layer, an aluminized film layer and an aqueous protective layer from the inside to the outside. The lower surface of the base paper layer is provided with a moisture-retaining layer, and the lining paper for cigarette further comprises a moisturizing and scent-protecting layer disposed on the upper surface or the lower surface of the base paper layer.

Preferably, the moisturizing and scenting layer is disposed between the base paper layer and the composite rubber layer.

Preferably, the moisturizing and scenting layer is disposed between the base paper layer and the moisture-retaining layer.

Preferably, the moisturizing and scenting layer is an inorganic powder or an organic powder material layer, and the moisture absorbing layer has a dry coating amount of 1 g/m ^{2 to 5} g/m ² .

Preferably, the inorganic powder or organic powder has a particle diameter of 0.3 to 100 μm and a specific surface area of 30 to 2000 g/m ² .

Preferably, the composite adhesive layer is an aqueous composite adhesive layer having a dry coating amount of 1 g/m ^{2 to 5} g/m ² and a curing temperature of 80 ° C to 120 ° C.

Preferably, the thickness of the aluminum layer of the aluminized film layer is

Preferably, the aqueous protective layer has a dry coating amount of 1 g/m ^{2 to 5} g/m ² and a curing temperature of 80 ° C to 120 ° C.

Another object of the present invention is a manufacturing process for a lining paper for cigarettes as described above, which comprises the following manufacturing steps:

1) forming a moisturizing and scenting layer on the upper surface of the base paper layer by roll coating or spraying, wherein the moisture absorbing layer has a dry coating amount of 1 g/m ^{2 to 5} g/m ² and a curing temperature thereof It is 80 ° C - 120 ° C;

2) forming a composite adhesive layer on the upper surface of the moisturizing and scenting layer by a gravure printing process, wherein the composite adhesive layer has a dry coating amount of 1 g/m ^{2 to 5} g/m ² and a curing temperature of 80 ° C - 120 °C;

3) through the wet compounding process, the PET aluminized film and the moisturizing and aroma layer are composited by the composite adhesive layer, and then the paper is peeled off from the PET aluminized film, so that the aluminum layer on the PET aluminized film is completely transferred to the paper. Forming an aluminized film layer on the surface;

4) forming an aqueous protective layer on the surface of the aluminized film layer by gravure printing, wherein the aqueous protective layer has a dry coating amount of 1 g/m ^{2 to 5} g/m ² and a curing temperature of 80-120 ° C. ;

5) Water is applied to the lower surface of the base paper layer to be wet-processed to form a moisture-wet layer on the lower surface of the base paper layer to control the moisture content of the finished paper to 5% ± 1%.

Alternatively, the manufacturing process of the lining paper for cigarettes may include the following manufacturing steps:

1) forming a composite adhesive layer on the upper surface of the base paper layer by a gravure printing process, wherein the composite adhesive layer has a dry coating amount of 1 g / m ² -5 g / m ² and a curing temperature of 80 ° C - 120 ° C;

2) The PET-aluminized film and the base paper layer are composited by a composite adhesive layer by a wet compounding process, and then the paper is peeled off from the PET-aluminized film, so that the aluminum layer on the PET-aluminized film is completely transferred to the surface of the paper. Forming an aluminum-plated film layer;

3) forming an aqueous protective layer on the surface of the aluminized film layer by gravure printing, wherein the aqueous protective layer has a dry coating amount of 1 g/m ^{2 to 5} g/m ² and a curing temperature of 80-120 ° C ;

4) forming a moisturizing and scenting layer on the lower surface of the base paper layer by roll coating or spraying, wherein the moisture absorbing layer has a dry coating amount of 1 g/m ^{2 to 5} g/m ² and a curing temperature thereof It is 80 ° C - 120 ° C;

5) Water is added to the lower surface of the base paper layer to be wet-processed to form a moisture-wet layer on the lower surface of the moisture-retaining layer to control the moisture content of the finished paper to 5% ± 1%.

The invention has the beneficial effects that the lining paper for aluminized transfer tobacco of the invention can realize the absorption of moisture when the cigarette product is stored in a high temperature and high humidity environment through the setting of the moisturizing and scenting layer, and when stored at a low temperature, It can release moisture in low-humidity environment, and it will not reduce the quality of cigarettes due to the length of storage time and the difference of relative humidity and temperature. It can effectively balance the moisture of cigarette products and maintain the quality of cigarette products.

DRAWINGS

1 is a schematic structural view of a lining paper for constant humidity, aroma, aroma, and aluminizing transfer tobacco according to the present invention;

2 is a schematic view showing the structure of a lining paper for constant humidity, aroma, and aroma-shield transfer tobacco according to another embodiment of the present invention.

detailed description

The specific embodiments of the present invention are further described below in conjunction with the accompanying drawings.

As shown in FIG. 1 , the lining paper for constant-humidity and aroma-protected aluminum-plated transfer tobacco of the present invention comprises a base paper layer 1 , and the upper surface of the base paper layer 1 is laminated with a composite rubber layer 3 from the inside to the outside. The aluminum film layer 4 and the water-repellent protective layer 5 are further provided with a moisture-wet layer 6 on the lower surface of the base paper layer 1. In addition, the inner liner of the present invention further comprises a moisturizing and scenting layer 2, wherein the moisturizing and scenting layer 2 can be disposed on the upper surface of the base paper layer 1 at the base paper layer 1 and the composite rubber Between layers 3. Alternatively, as shown in FIG. 2, the moisturizing and scenting layer 2 may be disposed between the base paper layer 1 and the moisture-retaining layer 6.

Specifically, in the present invention, the base paper layer 1 may be an aluminum foil composite base paper layer, and the composite rubber layer 3 is formed on the upper surface of the base paper layer 1 or the moisturizing fragrance layer 2 by a gravure process using an aqueous composite glue. Wherein the gravure process has a gravure pit depth of from 30 μm to 70 μm, a dry coating amount of from 1 g/m ^{2 to 5} g/m ² , and a curing temperature of from 80 ° C to 120 ° C.

The aluminized film layer 4 is preferably a PET aluminized film having a thickness of 16 μm to 22 μm, and the thickness of the aluminum layer is

The PET aluminized film is composited with the moisturizing layer 2 or the base paper layer 1 via the composite adhesive layer 3 by a wet compounding process, and then the paper is peeled off from the PET aluminized film to make the PET aluminized film The aluminum layer is completely transferred to the surface of the paper to form an aluminized film layer 4.

Subsequently, an aqueous protective layer 5 is formed on the surface of the aluminized film layer 4 by gravure printing to prevent scratching of the aluminized film layer 4 and to ensure the smoothing effect of the liner paper, wherein The aqueous protective layer 5 has a dry coating amount of 1 g/m ^{2 to 5} g/m ² , a curing temperature of 80 to 120 ° C, and a gravure pit depth of 30 μm to 50 μm.

The lower surface of the base paper layer 1 is subjected to a wet-wet treatment/humidification treatment with water to form a moisture-wet layer 7 on the lower surface of the base paper layer 1 so that the moisture content of the finished paper is controlled to 5% ± 1%.

In addition, the inner liner may further include a moisturizing protection between the upper surface of the base paper layer 1 and the composite rubber layer 3 or between the lower surface of the base paper layer 1 and the moisture-wet layer 6. The fragrant layer 2 is an inorganic powder or an organic powder material layer, wherein the inorganic powder material is a ceramic powder, the organic powder material is a polymer material powder, and the inorganic powder or organic powder The particle size is 0.3-100 μm, the specific surface area is 30-2000 g/m 2 , which is formed on the upper surface or the lower surface of the base paper layer 1 by roll coating or spray coating, and the dry coating amount of the moisturizing fragrance layer 2 It is 1g/m ² -5g/m ² , and the roll coating is an anilox roll with a pit depth of 30μm-80μm, the number of anilox rolls is 10 lines-150 lines, and the curing temperature is 80°C- 120 ° C.

Example 1

The invention relates to a lining paper for constant-humidity and quality-protecting aluminized transfer tobacco, and the structure thereof is as shown in FIG. 1 , comprising a base paper layer 1 and a moisturizing and scenting layer laminated on the upper surface of the base paper layer 1 in order from the inside to the outside. 2. A composite rubber layer 3, an aluminum-plated film layer 4 and an aqueous protective layer 5, and a lower moisture-reducing layer 6 is formed on the lower surface of the base paper layer 1. Manufacturing step of the inner liner The steps include:

1) A ceramic powder having a particle diameter of 50 μm and a specific surface area of 50 g/m ² is applied to the upper surface of the base paper layer 1 by roll coating to form a moisturizing and scenting layer 2, wherein the moisturizing and scenting layer 2 is dried. The coating amount is 3g/m ² , the pit depth of the anilox roll used in the roll coating process is 60 μm, the number of anilox rolls is 100 lines, and the curing temperature is 100 ° C;

2) forming a composite adhesive layer 3 on the upper surface of the moisturizing and scenting layer 2 by a gravure printing process, wherein the gravure process has a gravure pit depth of 35 μm and a dry coating amount of 5 g/m ² . The curing temperature is 100 ° C;

3) by the wet compounding process, the PET aluminized film and the moisturizing layer 2 are composited by the composite layer 3, and then the paper is peeled off from the PET aluminized film, so that the aluminum layer on the PET aluminized film is completely transferred. Forming an aluminized film layer 4 on the surface of the paper; wherein the PET aluminized film has a thickness of 20 μm PET aluminized film, and the thickness of the aluminum layer is

4) forming an aqueous protective layer 5 on the surface of the aluminized film layer 4 by gravure printing to prevent scratching of the aluminized film layer 4 and ensuring smoothness of the inner liner paper, wherein The dry protective coating layer 5 has a dry coating amount of 3 g/m ² , the curing temperature is controlled at 100 ° C, and the intaglio depth used is 40 μm;

5) Water-free treatment The aluminum-free lower surface of the base paper layer 1 is subjected to a wet treatment to form a moisture-wet layer 6 on the lower surface of the base paper layer 1 so that the moisture content of the finished paper is controlled to 5% ± 1%.

Example 2

The invention relates to a lining paper for constant-humidity and quality-protecting aluminized transfer tobacco, and the structure thereof is as shown in FIG. 2, comprising a base paper layer 1 and a composite rubber layer 3 which is laminated on the upper surface of the base paper layer 1 in this order from the inside to the outside. The aluminum-plated film layer 4 and the water-repellent protective layer 5 are formed on the lower surface of the base paper layer 1 in order from the inside to the outside, and the moisture-retaining layer 2 and the moisture-reducing layer 6 are formed in this order. The manufacturing steps of the inner liner paper include:

1) forming a composite adhesive layer 3 on the upper surface of the base paper layer 1 by a gravure printing process, wherein the gravure process has a gravure pit depth of 70 μm and a dry coating amount of 2 g/m ² . Curing temperature is 12 ° C;

2) The PET-aluminized film is composited with the base paper layer 1 through the composite adhesive layer 3 by a wet compounding process, and then the paper is peeled off from the PET-aluminized film to completely transfer the aluminum layer on the PET-aluminized film to the paper. The surface forms an aluminized film layer 4; wherein the PET aluminized film has a thickness of 16 μm PET aluminized film, and the thickness of the aluminum layer is

3) forming an aqueous protective layer 5 on the surface of the aluminized film layer 4 by gravure printing to prevent scratching of the aluminized film layer 4 and ensuring smoothness of the inner liner paper, wherein The dry coating amount of the aqueous protective layer 5 is 5 g / m ² , the curing temperature is controlled at 120 ° C, and the depth of the intaglio pit is 50 μm;

4) spraying a polymer material powder having a particle diameter of 1 μm and a specific surface area of 2000 g/m ² on the lower surface of the base paper layer 1 by spraying to form a moisturizing and scenting layer 2, wherein the moisturizing and scenting layer 2 is dried. The coating amount is 1g/m ² and the curing temperature is 100 ° C;

5) The lower surface of the base paper layer 1 is subjected to a moisture-removing treatment to form a moisture-wet layer 6 on the lower surface of the constant-humidity-storing fragrance 2 so that the moisture content of the finished paper is controlled to 5% ± 1%.

The invention has been described in detail by the preferred embodiments. However, variations and additions to the various embodiments will be apparent to those of ordinary skill in the art. It is the Applicant's intention that all such variations and additions fall within the scope of the appended claims. The terminology used herein is for the purpose of illustration and description. Unless otherwise defined, all terms (including technical and scientific terms) used herein are the same as those of ordinary skill in the art. Any modification or modification of this product, the substitution and use of similar or similar substances within the scope or scope of the patent, is within the scope of the patent protection of the present invention.

Claims

The invention relates to a lining paper for constant-humidity and quality-protecting aluminized transfer tobacco, comprising a base paper layer, characterized in that: the upper surface of the base paper layer is provided with a composite rubber layer, an aluminized film layer and water-based protection from the inside to the outside. In the layer, the lower surface of the base paper layer is provided with a moisture-wet layer, and the lining paper for cigarette further comprises a moisturizing and scent-protecting layer disposed on the upper surface or the lower surface of the base paper layer.
The lining paper for cigarettes according to claim 1, wherein the moisturizing and scenting layer is disposed between the base paper layer and the composite rubber layer.
The lining paper for cigarettes according to claim 1, wherein the moisturizing and scenting layer is disposed between the base paper layer and the moisture-retaining layer.
The lining paper for cigarette according to any one of claims 1 to 3, wherein the moisturizing and scenting layer is an inorganic powder or an organic powder material layer, and the dry coating amount of the moisture absorbing layer is 1 g/m 2 - 5 g/m 2 .
The lining paper for cigarette according to claim 4, wherein the inorganic powder or the organic powder has a particle diameter of 0.3 to 100 μm and a specific surface area of 30 to 2000 g/m 2 .
The lining paper for cigarette according to any one of claims 1 to 3, wherein the composite adhesive layer is an aqueous composite adhesive layer having a dry coating amount of 1 g/m 2 to 5 g/m 2 and cured. The temperature is from 80 ° C to 120 ° C.
The lining paper for cigarette according to any one of claims 1 to 3, wherein the thickness of the aluminum layer of the aluminized film layer is
The lining paper for cigarette according to any one of claims 1 to 3, wherein the dry coating amount is from 1 g/m 2 to 5 g/m 2 and the curing temperature is from 80 ° C to 120 ° C.
A manufacturing process for a lining paper for tobacco according to claim 1, comprising the following manufacturing steps:

1) forming a moisturizing and scenting layer on the upper surface of the base paper layer by roll coating or spraying, wherein the moisture absorbing layer has a dry coating amount of 1 g/m 2 to 5 g/m 2 and a curing temperature thereof It is 80 ° C - 120 ° C;

2) forming a composite adhesive layer on the upper surface of the moisturizing and scenting layer by a gravure printing process, wherein the composite adhesive layer has a dry coating amount of 1 g/m 2 to 5 g/m 2 and a curing temperature of 80 ° C - 120 °C;

3) through the wet compounding process, the PET aluminized film and the moisturizing and aroma layer are composited by the composite adhesive layer, and then the paper is peeled off from the PET aluminized film, so that the aluminum layer on the PET aluminized film is completely transferred to the paper. Forming an aluminized film layer on the surface;

4) forming an aqueous protective layer on the surface of the aluminized film layer by gravure printing, wherein the aqueous protective layer has a dry coating amount of 1 g/m 2 to 5 g/m 2 and a curing temperature of 80-120 ° C. ;

5) Water is applied to the lower surface of the base paper layer to be wet-processed to form a moisture-wet layer on the lower surface of the base paper layer to control the moisture content of the finished paper to 5% ± 1%.
A manufacturing process for a lining paper for tobacco according to claim 1, comprising the following manufacturing steps:

1) forming a composite adhesive layer on the upper surface of the base paper layer by a gravure printing process, wherein the composite adhesive layer has a dry coating amount of 1 g / m 2 -5 g / m 2 and a curing temperature of 80 ° C - 120 ° C;

2) The PET-aluminized film and the base paper layer are composited by a composite adhesive layer by a wet compounding process, and then the paper is peeled off from the PET-aluminized film, so that the aluminum layer on the PET-aluminized film is completely transferred to the surface of the paper. Forming an aluminum-plated film layer;

3) forming an aqueous protective layer on the surface of the aluminized film layer by gravure printing, wherein the aqueous protective layer has a dry coating amount of 1 g/m 2 to 5 g/m 2 and a curing temperature of 80-120 ° C ;

4) forming a moisturizing and scenting layer on the lower surface of the base paper layer by roll coating or spraying, wherein the moisture absorbing layer has a dry coating amount of 1 g/m 2 to 5 g/m 2 and a curing temperature thereof It is 80 ° C - 120 ° C;

5) The lower surface of the base paper layer is subjected to a moisture treatment to form a moisture-wet layer on the lower surface of the moisture-retaining layer to control the moisture content of the finished paper to 5% ± 1%.