阅读说明：本技术 一种阻燃转移接装纸及其制备方法 (Flame-retardant transfer tipping paper and preparation method thereof ) 是由 许永石 于 2020-07-02 设计创作，主要内容包括：本发明是一种阻燃转移接装纸,包括双向拉伸聚酯薄膜基材,在所述双向拉伸聚酯薄膜基材上依次设置转移涂料层、真空镀铝层、复合胶水层和原纸层。该阻燃转移接装纸的制备方法包括如下步骤：(1)转移涂料层的制备(2)真空镀铝层的制备(3)复合胶水层的制备(4)将步骤(3)复合好的半成品放置24小时以上,然后将双向拉伸聚酯薄膜剥离得到阻燃转移接装纸。本发明通过在转移膜涂布过程中添加阻燃性树脂,无需改变纸张特性,该接装纸可实现阻燃效果,且重金属含量、VOCs残留极低,火星接触到烟嘴,火星自动熄灭,提升烟支安全性。(The invention relates to flame-retardant transfer tipping paper which comprises a biaxially oriented polyester film base material, wherein a transfer coating layer, a vacuum aluminum-plated layer, a composite glue layer and a raw paper layer are sequentially arranged on the biaxially oriented polyester film base material. The preparation method of the flame-retardant transfer tipping paper comprises the following steps: (1) preparation of a transfer coating layer, (2) preparation of a vacuum aluminum plating layer, (3) preparation of a composite glue layer, (4) placing the semi-finished product compounded in the step (3) for more than 24 hours, and then stripping the biaxially oriented polyester film to obtain the flame-retardant transfer tipping paper. According to the cigarette tipping paper, the flame-retardant resin is added in the coating process of the transfer film, the characteristics of paper do not need to be changed, the cigarette tipping paper can achieve a flame-retardant effect, the heavy metal content and the VOCs residue are extremely low, the spark contacts the cigarette holder, the spark extinguishes automatically, and the cigarette safety is improved.)

1. A fire-retardant transfer tipping paper comprises a biaxial stretching polyester film substrate, and is characterized in that: the biaxially oriented polyester film is characterized in that a transfer coating layer (4), a vacuum aluminum-plated layer (3), a composite glue layer (2) and a raw paper layer (1) are sequentially arranged on the biaxially oriented polyester film substrate.

2. A flame retardant transfer tipping paper according to claim 1, wherein: the transfer coating layer (4) comprises, by weight, 10-15 parts of water-based transfer resin, 1-2 parts of a flame retardant, 4-5 parts of ethanol and 3-5 parts of deionized water.

3. A flame retardant transfer tipping paper according to claim 1, wherein: the composite glue layer (2) comprises 15-18 parts of modified water-based vinyl acetate emulsion, 5-10 parts of polyvinyl alcohol, 2-5 parts of deionized water and 1-2 parts of emulsifier according to parts by weight.

4. A method of making a flame retardant transfer tipping paper according to any one of claims 1 to 3, characterized in that: the preparation method comprises the following steps:

(1) preparing a transfer coating layer: selecting a biaxially oriented polyester film as a base material, mixing the water-collecting transfer resin, the flame retardant, ethanol and deionized water according to the weight part ratio, coating the mixture on the biaxially oriented polyester film by using a coating machine, and drying the mixture by using an oven to obtain a transfer coating layer (1);

(2) preparing a vacuum aluminum plating layer: placing the transfer coating layer (1) dried in the step (1) in a vacuum chamber of a continuous aluminum plating machine, and melting and continuously evaporating an aluminum wire onto the transfer coating layer by heating through a resistance wire under the condition that the vacuum degree is less than or equal to 5.0 multiplied by 10 < -1 > Pa to form a vacuum aluminum plating layer (2);

(3) preparing a composite glue layer: uniformly mixing modified water-based vinyl acetate emulsion, polyvinyl alcohol, deionized water and an emulsifier according to a weight part ratio to obtain composite glue, and then compounding the vacuum aluminum-plated layer (3) and the raw paper layer (1) through the composite glue and then putting the composite glue into an oven for drying;

(4) and (4) placing the semi-finished product compounded in the step (3) for more than 24 hours, and then peeling the biaxially oriented polyester film to obtain the flame-retardant transfer tipping paper.

5. The method of making a flame retardant transfer tipping paper according to claim 4, characterized in that: in the step (1), the first section temperature of the oven is 60-80 ℃, the second section temperature is 80-100 ℃, the third section temperature is 140-²。

6. The method of making a flame retardant transfer tipping paper according to claim 4, characterized in that: in the step (2), the thickness of the vacuum aluminum-plated layer is 400-450A.

7. The method of making a flame retardant transfer tipping paper according to claim 4, characterized in that: in the step (3), the first section of the oven is dried by 60-80 ℃, the second section of the oven is dried by 80-100 ℃, the third section of the oven is dried by 100-120 ℃, the fourth section of the oven is dried by 50-70 ℃, and the glue dry weight is 2.5-3.5 g/m²。

8. The method of making a flame retardant transfer tipping paper according to claim 4, characterized in that: in the step (4), the semi-finished product is placed at the temperature of 23 +/-5 ℃ and the humidity of 65 +/-15% RH.

Technical Field

The invention relates to the technical field of paper making, in particular to flame-retardant transfer tipping paper and a preparation method thereof.

Background

A cigarette, which is a kind of tobacco product, is prepared by baking tobacco, cutting into shreds, and rolling into cylindrical strips with the length of about 120mm and the diameter of 10 mm. The cigarette is characterized in that smoke generated by igniting one end of the cigarette and then sucking hoots through a mouth at the other end of the cigarette is a very common practice in daily life at present, but after some smokers finish smoking, because the cigarette end is not extinguished in time, a fire is easily caused, and therefore, the cigarette tipping paper for cigarettes is more and more valued for preventing the cigarette from continuously burning.

The existing tipping paper is flame-retardant by improving the structure of base paper and adding an auxiliary agent in the production of base paper pulp, but the tipping paper also has the technical defects of poor flame-retardant effect, high production cost and high possibility of exceeding the standard of heavy metal content.

Disclosure of Invention

In order to solve the problems, the invention provides the flame-retardant transfer tipping paper and the preparation method thereof.

In order to achieve the purpose, the invention is realized by the following technical scheme:

the invention relates to flame-retardant transfer tipping paper which comprises a biaxially oriented polyester film base material, wherein a transfer coating layer, a vacuum aluminum-plated layer, a composite glue layer and a raw paper layer are sequentially arranged on the biaxially oriented polyester film base material.

The invention is further improved in that: the transfer coating layer comprises, by weight, 10-15 parts of water-based transfer resin, 1-2 parts of a flame retardant, 4-5 parts of ethanol and 3-5 parts of deionized water.

The invention is further improved in that: the composite glue layer comprises, by weight, 15-18 parts of modified aqueous vinyl acetate emulsion, 5-10 parts of polyvinyl alcohol, 2-5 parts of deionized water and 1-2 parts of an emulsifier.

The invention relates to a preparation method of flame-retardant transfer tipping paper, which comprises the following steps:

(1) preparing a transfer coating layer: selecting a biaxially oriented polyester film as a base material, mixing the water-collecting transfer resin, the flame retardant, ethanol and deionized water according to a weight part ratio, coating the mixture on the biaxially oriented polyester film by using a coating machine, and drying the mixture by using an oven to obtain a transfer coating layer;

(2) preparing a vacuum aluminum plating layer: placing the transfer coating layer (1) dried in the step (1) in a vacuum chamber of a continuous aluminum plating machine, and melting and continuously evaporating an aluminum wire onto the transfer coating layer by heating through a resistance wire under the condition that the vacuum degree is less than or equal to 5.0 multiplied by 10 < -1 > Pa to form a vacuum aluminum plating layer;

(3) preparing a composite glue layer: uniformly mixing the modified water-based vinyl acetate emulsion, polyvinyl alcohol, deionized water and an emulsifier according to a weight part ratio to obtain composite glue, and then compounding the vacuum aluminum-plated layer and the raw paper layer by the composite glue and then putting the composite glue into an oven for drying;

(4) and (4) placing the semi-finished product compounded in the step (3) for more than 24 hours, and then peeling the biaxially oriented polyester film to obtain the flame-retardant transfer tipping paper.

The invention is further improved in that: in the step (1), the first section temperature of the oven is 60-80 ℃, the second section temperature is 80-100 ℃, the third section temperature is 140-²。

The invention is further improved in that: in the step (2), the thickness of the vacuum aluminum-plated layer is 400-450A.

The invention is further improved in that: in the step (3), the first section of the oven is dried by 60-80 ℃, the second section of the oven is dried by 80-100 ℃, the third section of the oven is dried by 100-120 ℃, the fourth section of the oven is dried by 50-70 ℃, and the glue dry weight is 2.5-3.5 g/m²。

The invention is further improved in that: in the step (4), the semi-finished product is placed at the temperature of 23 +/-5 ℃ and the humidity of 65 +/-15% RH.

The invention has the beneficial effects that: according to the cigarette tipping paper, the flame-retardant resin is added in the coating process of the transfer film, the characteristics of paper do not need to be changed, the cigarette tipping paper can achieve a flame-retardant effect, the heavy metal content and the VOCs residue are extremely low, the spark contacts the cigarette holder, the spark extinguishes automatically, and the cigarette safety is improved.

Drawings

FIG. 1 is a schematic structural view of a flame retardant transfer tipping paper of the present invention.

Figure 2 is the solvent residue data from testing of the flame retardant tipping paper of the present invention.

Figure 3 is the heavy metal data obtained from testing the flame retardant tipping paper of the present invention.

Detailed Description

In the following description, for purposes of explanation, numerous implementation details are set forth in order to provide a thorough understanding of the embodiments of the invention. It should be understood, however, that these implementation details are not to be interpreted as limiting the invention. That is, in some embodiments of the invention, such implementation details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

As shown in figure 1, the invention relates to a flame-retardant transfer tipping paper which comprises a biaxially oriented polyester film substrate, wherein a transfer coating layer 4, a vacuum aluminum-plated layer 3, a composite glue layer 2 and a raw paper layer 1 are sequentially arranged on the biaxially oriented polyester film substrate, the transfer coating layer 4 comprises, by weight, 10-15 parts of a water-based transfer resin, 1-2 parts of a flame retardant, 4-5 parts of ethanol and 3-5 parts of deionized water, and the composite glue layer 2 comprises, by weight, 15-18 parts of a modified water-based vinyl acetate emulsion, 5-10 parts of polyvinyl alcohol, 2-5 parts of deionized water and 1-2 parts of an emulsifier.

The invention relates to a preparation method of flame-retardant transfer tipping paper, which comprises the following steps:

(1) preparing a transfer coating layer: selecting a biaxially oriented polyester film as a substrate, mixing 10-15 parts of water-collecting transfer resin, 1-2 parts of flame retardant, 4-5 parts of ethanol and 3-5 parts of deionized water according to a weight part ratio, coating the mixture on the biaxially oriented polyester film by using a coating machine, and drying the mixture by using an oven to obtain a transfer coating layer 1, wherein the transfer coating layer mainly plays a flame retardant role; wherein the first temperature of the oven is 60-80 deg.C, the second temperature is 80-100 deg.C, the third temperature is 140-The four sections are 80-100 ℃, and the coating dry weight is 1.2-1.6 g/m²The drying oven adopted here is a sectional type drying oven, and the drying oven enters from the first section to the fourth section in sequence at the speed of 100-120 m/min;

(2) preparing a vacuum aluminum plating layer: placing the transfer coating layer 1 dried in the step (1) in a vacuum chamber of a continuous aluminum plating machine, heating by a resistance wire under the condition that the vacuum degree is less than or equal to 5.0 multiplied by 10 < -1 > Pa, melting and continuously evaporating an aluminum wire onto the transfer coating layer to form a vacuum aluminum-plated layer 2, wherein the thickness of the vacuum aluminum-plated layer is 400-450A;

(3) preparing a composite glue layer: uniformly mixing 15-18 parts of modified water-based vinyl acetate emulsion, 5-10 parts of polyvinyl alcohol, 2-5 parts of deionized water and 1-2 parts of emulsifier according to a weight part ratio to obtain composite glue, and then compounding the vacuum aluminum-plated layer 3 and the raw paper layer 1 through the composite glue and then putting the compounded glue into an oven for drying, wherein the drying is that the oven comprises a first oven section of 60-80 ℃, a second oven section of 80-100 ℃, a third oven section of 100-120 ℃, a fourth oven section of 50-70 ℃ and the glue drying amount is 2.5-3.5 g/m²The drying oven adopted here is a sectional type drying oven, and the drying oven enters from the first section to the fourth section in sequence at the speed of 100-120 m/min;

(4) and (3) placing the semi-finished product compounded in the step (3) for more than 24 hours at the temperature of 23 +/-5 ℃ and the humidity of 65 +/-15% RH, then peeling the biaxially oriented polyester film to obtain the flame-retardant transfer tipping paper, wherein the torn biaxially oriented polyester film can be recycled.

The tipping paper of the invention is subjected to flame retardant tests, the test data are as follows:

according to the data, the tipping paper can realize the flame retardant effect and improve the cigarette safety.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.