Cigarette tipping paper with ventilation function and preparation method thereof

Abstract

The cigarette tipping paper comprises a tipping paper body paper layer, a printing layer and a hot stamping layer are sequentially arranged on the upper surface of the tipping paper body paper layer from top to bottom, and an improved layer is arranged on the lower surface of the tipping paper body paper layer. According to the cigarette tipping paper, the tipping paper body paper layer is adopted as the base body layer and is matched with the printing layer and the hot stamping layer, the improvement layer is adopted for improvement treatment, the water-based acrylate emulsion and the water-based polyurethane emulsion serve as base bodies of improvement materials in the improvement layer, and the cross-linking agent, the dispersing agent, the defoaming agent and the flame retardant are matched to serve as functional auxiliaries; meanwhile, the added modified porous agent and the stabilizer are used as coordination raw materials and have a synergistic effect together, so that the flame retardance and ventilation coordination of the product are enhanced, and the acid corrosion resistance stability of the product is remarkable.

Description

Technical Field

[0001] The invention relates to the technical field of cigarette tipping paper, and in particular to a cigarette tipping paper with ventilation function and a preparation method thereof. Background Art

[0002] Cigarette tipping paper is a supporting material for cigarette packaging. Its function is to connect cigarettes and filter rods. Currently, the commonly used cigarette tipping paper on the market is mainly divided into two categories: ordinary tipping paper and perforated tipping paper. The existing cigarette tipping paper has poor air permeability and poor flame retardancy. It is difficult to coordinate and balance the improvement of air permeability and flame retardancy. In addition, the product has poor performance stability under acid and rot conditions, which limits the product's use efficiency. Summary of the invention

[0003] In view of the defects of the prior art, the object of the present invention is to provide a cigarette tipping paper with ventilation function and a preparation method thereof, so as to solve the problems raised in the above background technology.

[0004] The present invention solves the technical problem by adopting the following technical solution: The present invention provides a cigarette tipping paper with ventilation function, comprising a tipping paper base paper layer, a printing layer and a hot stamping layer arranged in sequence from top to bottom on the upper surface of the tipping paper base paper layer, and an improved layer arranged on the lower surface of the tipping paper base paper layer; The improved layer is formed by coating the improved material on the surface of the tipping paper base paper layer, and the coating thickness is 2-5um; The improved material includes the following raw materials in parts by weight: 20-30 parts of aqueous acrylic emulsion, 30-40 parts of aqueous polyurethane emulsion, 4-7 parts of modified porous agent, 3-5 parts of stabilizer, 2-5 parts of cross-linking agent, 30-35 parts of ethanol solvent, 2-5 parts of BYK-180 dispersant, 2-5 parts of BYK-093 defoamer, 4-7 parts of magnesium hydroxide flame retardant.

[0005] Preferably, the solid content of the aqueous acrylic emulsion and the aqueous polyurethane emulsion is 45%; and the cross-linking agent is castor oil.

[0006] Preferably, the preparation method of the modified porous agent is: S1: Mix the porous silica in a sufficient amount of acid solution, and then wash, filter and dry; S2: irradiating lanthanum oxide in a proton irradiation box for 5-10 minutes at an irradiation power of 350-400W, and obtaining irradiated lanthanum oxide after the irradiation is completed; The irradiated lanthanum oxide is stirred and mixed in a sufficient amount of cobalt nitrate solution, and then filtered and dried to obtain a lanthanum oxide agent; S3: 5-7 parts of nano-mica powder and 2-5 parts of 5% chitosan solution are added to 6-10 parts of dopamine hydrochloride solution, and then 1-3 parts of lanthanum oxide are added to mix and stir to obtain a modified solution; S4: The dried porous silica and the modified liquid are stirred and modified in a weight ratio of 2:5. After the stirring is completed, the modified porous agent is washed with water, filtered and dried to obtain the modified porous agent.

[0007] Preferably, the pore size of the porous silica is 3-5 nm.

[0008] Preferably, the acid solution is a sulfuric acid solution with a mass fraction of 2-5%; the mass fraction of the dopamine hydrochloride solution is 3-6%.

[0009] Preferably, the mass fraction of the cobalt nitrate solution is 2-4%; the stirring speed of the stirring modification treatment in S4 is 550-750 r / min, and the stirring time is 20-30 min.

[0010] Preferably, the preparation method of the stabilizer is: S11: 4% by mass sodium silicate solution, nano silica sol and 2% by mass yttrium nitrate solution are mixed in a weight ratio of (3-5):2:(1-3) to obtain a sodium silicate agent; S12: stirring and mixing sodium alginate in a sufficient amount of potassium permanganate solution, then washing, filtering and drying to obtain a sodium alginate agent; The sodium alginate agent and the sodium silicate agent are mixed and ball-milled in a weight ratio of 3:5. After the ball-milling is completed, the mixture is washed with water, filtered and dried to obtain a stabilizer.

[0011] Preferably, the mass fraction of the potassium permanganate solution is 2-4%.

[0012] Preferably, the ball milling speed of the mixed ball milling treatment in S12 is 550-750 r / min, and the ball milling is performed for 2 hours.

[0013] The present invention also provides a method for preparing cigarette tipping paper with ventilation function, comprising the following steps: The raw materials in the improved material are fully mixed to obtain the improved material, and the improved material is coated on the surface of the tipping paper base paper layer to form an improved layer. A printing layer and a hot stamping layer are arranged on the upper surface of the tipping paper base paper layer from top to bottom to obtain the cigarette tipping paper with ventilation function of the present invention.

[0014] Compared with the prior art, the present invention has the following beneficial effects: The cigarette tipping paper of the present invention adopts a base paper layer of kraft paper as a base layer, and is improved by matching a printing layer and a hot stamping layer, and adopting an improved layer. The improved material in the improved layer uses water-based acrylic ester emulsion and water-based polyurethane emulsion as a base, and is matched with a crosslinking agent, a dispersant, a defoaming agent and a flame retardant as functional additives. At the same time, a modified porous agent and a stabilizer are added as coordinated raw materials. The two work together to enhance the flame retardancy and air permeability of the product, and the acid and corrosion resistance of the product is remarkable. The modified porous agent adopts nano-silicon dioxide and is treated with an acid solution to optimize its activity efficiency, and then the modified liquid is matched with the modified porous agent. The nano mica powder in the modified liquid adopts a flaky structure, is mixed and formulated with a chitosan solution, a dopamine hydrochloride solution and a lanthanum oxide agent, and the lanthanum oxide in the lanthanum oxide agent is irradiated with protons and then treated with a cobalt nitrate solution to better blend in the system to enhance the system performance, and the flaky nano mica powder is combined with porous nano silicon oxide to better improve the air permeability and flame retardancy of the product, and the added stabilizer is treated with sodium alginate through a potassium permanganate solution and then mixed and blended with a sodium silicate agent to obtain a stabilizer that can better coordinate with the modified porous agent, thereby further improving the performance of the product. DETAILED DESCRIPTION

[0015] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0016] A cigarette tipping paper with ventilation function in this embodiment comprises a tipping paper base paper layer, a printing layer and a hot stamping layer are arranged in sequence from top to bottom on the upper surface of the tipping paper base paper layer, and an improved layer is arranged on the lower surface of the tipping paper base paper layer; The improved layer is formed by coating the improved material on the surface of the tipping paper base paper layer, and the coating thickness is 2-5um; The improved material includes the following raw materials in parts by weight: 20-30 parts of aqueous acrylic emulsion, 30-40 parts of aqueous polyurethane emulsion, 4-7 parts of modified porous agent, 3-5 parts of stabilizer, 2-5 parts of cross-linking agent, 30-35 parts of ethanol solvent, 2-5 parts of BYK-180 dispersant, 2-5 parts of BYK-093 defoamer, 4-7 parts of magnesium hydroxide flame retardant.

[0017] The solid contents of the aqueous acrylic emulsion and aqueous polyurethane emulsion in this embodiment are both 45%; the cross-linking agent is castor oil.

[0018] The preparation method of the modified porous agent of this embodiment is: S1: Mix the porous silica in a sufficient amount of acid solution, and then wash, filter and dry; S2: irradiating lanthanum oxide in a proton irradiation box for 5-10 minutes at an irradiation power of 350-400W, and obtaining irradiated lanthanum oxide after the irradiation is completed; The irradiated lanthanum oxide is stirred and mixed in a sufficient amount of cobalt nitrate solution, and then filtered and dried to obtain a lanthanum oxide agent; S3: 5-7 parts of nano-mica powder and 2-5 parts of 5% chitosan solution are added to 6-10 parts of dopamine hydrochloride solution, and then 1-3 parts of lanthanum oxide are added to mix and stir to obtain a modified solution; S4: The dried porous silica and the modified liquid are stirred and modified in a weight ratio of 2:5. After the stirring is completed, the modified porous agent is washed with water, filtered and dried to obtain the modified porous agent.

[0019] The pore size of the porous silica in this embodiment is 3-5 nm.

[0020] The acid solution in this embodiment is a sulfuric acid solution with a mass fraction of 2-5%; the mass fraction of the dopamine hydrochloride solution is 3-6%.

[0021] The mass fraction of the cobalt nitrate solution in this embodiment is 2-4%; the stirring speed of the stirring modification treatment in S4 is 550-750 r / min, and the stirring time is 20-30 min.

[0022] The preparation method of the stabilizer of this embodiment is: S11: 4% by mass sodium silicate solution, nano silica sol and 2% by mass yttrium nitrate solution are mixed in a weight ratio of (3-5):2:(1-3) to obtain a sodium silicate agent; S12: stirring and mixing sodium alginate in a sufficient amount of potassium permanganate solution, then washing, filtering and drying to obtain a sodium alginate agent; The sodium alginate agent and the sodium silicate agent are mixed and ball-milled in a weight ratio of 3:5. After the ball-milling is completed, the mixture is washed with water, filtered and dried to obtain a stabilizer.

[0023] The mass fraction of the potassium permanganate solution in this embodiment is 2-4%.

[0024] The ball milling speed of the mixed ball milling treatment in S12 of this embodiment is 550-750 r / min, and the ball milling is performed for 2 hours.

[0025] A method for preparing a breathable cigarette tipping paper according to this embodiment comprises the following steps: The raw materials in the improved material are fully mixed to obtain the improved material, and the improved material is coated on the surface of the tipping paper base paper layer to form an improved layer. A printing layer and a hot stamping layer are arranged on the upper surface of the tipping paper base paper layer from top to bottom to obtain the cigarette tipping paper with ventilation function of the present invention.

[0026] Example 1. A cigarette tipping paper with ventilation function in this embodiment comprises a tipping paper base paper layer, a printing layer and a hot stamping layer are arranged in sequence from top to bottom on the upper surface of the tipping paper base paper layer, and an improved layer is arranged on the lower surface of the tipping paper base paper layer; The improved layer is formed by coating the improved material on the surface of the tipping paper base paper layer, and the coating thickness is 2um; The improved material includes the following raw materials in parts by weight: 20 parts of water-based acrylic emulsion, 30 parts of water-based polyurethane emulsion, 4 parts of modified porous agent, 3 parts of stabilizer, 2 parts of cross-linking agent, 30 parts of ethanol solvent, 2 parts of BYK-180 dispersant, 2 parts of BYK-093 defoamer, and 4 parts of magnesium hydroxide flame retardant.

[0027] The solid contents of the aqueous acrylic emulsion and aqueous polyurethane emulsion in this embodiment are both 45%; the cross-linking agent is castor oil.

[0028] The preparation method of the modified porous agent of this embodiment is: S1: Mix the porous silica in a sufficient amount of acid solution, and then wash, filter and dry; S2: irradiating lanthanum oxide in a proton irradiation box for 5 minutes at an irradiation power of 350 W, and obtaining irradiated lanthanum oxide after the irradiation is completed; The irradiated lanthanum oxide is stirred and mixed in a sufficient amount of cobalt nitrate solution, and then filtered and dried to obtain a lanthanum oxide agent; S3: 5 parts of nano-mica powder and 2 parts of 5% chitosan solution are added to 6 parts of dopamine hydrochloride solution, and then 1 part of lanthanum oxide is added and mixed and stirred to obtain a modified solution; S4: The dried porous silica and the modified liquid are stirred and modified in a weight ratio of 2:5. After the stirring is completed, the modified porous agent is washed with water, filtered and dried to obtain the modified porous agent.

[0029] The pore size of the porous silica in this example is 3 nm.

[0030] The acid solution in this embodiment is a sulfuric acid solution with a mass fraction of 2%; the mass fraction of the dopamine hydrochloride solution is 3%.

[0031] The mass fraction of the cobalt nitrate solution in this embodiment is 2%; the stirring speed of the stirring modification treatment in S4 is 550 r / min, and the stirring time is 20 min.

[0032] The preparation method of the stabilizer of this embodiment is: S11: 4% by mass sodium silicate solution, nano silica sol and 2% by mass yttrium nitrate solution are mixed in a weight ratio of 3:2:1 to obtain a sodium silicate agent; S12: stirring and mixing sodium alginate in a sufficient amount of potassium permanganate solution, then washing, filtering and drying to obtain a sodium alginate agent; The sodium alginate agent and the sodium silicate agent are mixed and ball-milled in a weight ratio of 3:5. After the ball-milling is completed, the mixture is washed with water, filtered and dried to obtain a stabilizer.

[0033] The mass fraction of the potassium permanganate solution in this embodiment is 2%.

[0034] The ball milling speed of the mixed ball milling treatment in S12 of this embodiment is 550 r / min, and the ball milling is performed for 2 hours.

[0035] A method for preparing a breathable cigarette tipping paper according to this embodiment comprises the following steps: The raw materials in the improved material are fully mixed to obtain the improved material, and the improved material is coated on the surface of the tipping paper base paper layer to form an improved layer. A printing layer and a hot stamping layer are arranged on the upper surface of the tipping paper base paper layer from top to bottom to obtain the cigarette tipping paper with ventilation function of the present invention.

[0036] Example 2. A cigarette tipping paper with ventilation function in this embodiment comprises a tipping paper base paper layer, a printing layer and a hot stamping layer are arranged in sequence from top to bottom on the upper surface of the tipping paper base paper layer, and an improved layer is arranged on the lower surface of the tipping paper base paper layer; The improved layer is formed by coating the improved material on the surface of the tipping paper base paper layer, and the coating thickness is 5um; The improved material includes the following raw materials in parts by weight: 30 parts of water-based acrylic emulsion, 40 parts of water-based polyurethane emulsion, 7 parts of modified porous agent, 5 parts of stabilizer, 5 parts of cross-linking agent, 35 parts of ethanol solvent, 5 parts of BYK-180 dispersant, 5 parts of BYK-093 defoamer, and 7 parts of magnesium hydroxide flame retardant.

[0037] The solid contents of the aqueous acrylic emulsion and aqueous polyurethane emulsion in this embodiment are both 45%; the cross-linking agent is castor oil.

[0038] The preparation method of the modified porous agent of this embodiment is: S1: Mix the porous silica in a sufficient amount of acid solution, and then wash, filter and dry; S2: irradiating lanthanum oxide in a proton irradiation box for 10 minutes at an irradiation power of 400 W, and obtaining irradiated lanthanum oxide after the irradiation is completed; The irradiated lanthanum oxide is stirred and mixed in a sufficient amount of cobalt nitrate solution, and then filtered and dried to obtain a lanthanum oxide agent; S3: 7 parts of nano-mica powder and 5 parts of 5% chitosan solution are added to 10 parts of dopamine hydrochloride solution, and then 3 parts of lanthanum oxide are added and mixed and stirred to obtain a modified solution; S4: The dried porous silica and the modified liquid are stirred and modified in a weight ratio of 2:5. After the stirring is completed, the modified porous agent is washed with water, filtered and dried to obtain the modified porous agent.

[0039] The pore size of the porous silica in this example is 5 nm.

[0040] The acid solution in this embodiment is a sulfuric acid solution with a mass fraction of 5%; the mass fraction of the dopamine hydrochloride solution is 6%.

[0041] The mass fraction of the cobalt nitrate solution in this embodiment is 4%; the stirring speed of the stirring modification treatment in S4 is 750 r / min, and the stirring time is 30 min.

[0042] The preparation method of the stabilizer of this embodiment is: S11: 4% by mass sodium silicate solution, nano silica sol and 2% by mass yttrium nitrate solution are mixed in a weight ratio of 5:2:3 to obtain a sodium silicate agent; S12: stirring and mixing sodium alginate in a sufficient amount of potassium permanganate solution, then washing, filtering and drying to obtain a sodium alginate agent; The sodium alginate agent and the sodium silicate agent are mixed and ball-milled in a weight ratio of 3:5. After the ball-milling is completed, the mixture is washed with water, filtered and dried to obtain a stabilizer.

[0043] The mass fraction of the potassium permanganate solution in this embodiment is 4%.

[0044] The ball milling speed of the mixed ball milling treatment in S12 of this embodiment is 750 r / min, and the ball milling is performed for 2 hours.

[0045] A method for preparing a breathable cigarette tipping paper according to this embodiment comprises the following steps: The raw materials in the improved material are fully mixed to obtain the improved material, and the improved material is coated on the surface of the tipping paper base paper layer to form an improved layer. A printing layer and a hot stamping layer are arranged on the upper surface of the tipping paper base paper layer from top to bottom to obtain the cigarette tipping paper with ventilation function of the present invention.

[0046] Example 3. A cigarette tipping paper with ventilation function in this embodiment comprises a tipping paper base paper layer, a printing layer and a hot stamping layer are arranged in sequence from top to bottom on the upper surface of the tipping paper base paper layer, and an improved layer is arranged on the lower surface of the tipping paper base paper layer; The improved layer is formed by coating the improved material on the surface of the tipping paper base paper layer, and the coating thickness is 3.5um; The improved material includes the following raw materials in parts by weight: 25 parts of aqueous acrylic emulsion, 35 parts of aqueous polyurethane emulsion, 5.5 parts of modified porous agent, 4 parts of stabilizer, 3.5 parts of cross-linking agent, 32 parts of ethanol solvent, 3.5 parts of BYK-180 dispersant, 3.5 parts of BYK-093 defoamer, and 5.5 parts of magnesium hydroxide flame retardant.

[0047] The solid contents of the aqueous acrylic emulsion and aqueous polyurethane emulsion in this embodiment are both 45%; the cross-linking agent is castor oil.

[0048] The preparation method of the modified porous agent of this embodiment is: S1: Mix the porous silica in a sufficient amount of acid solution, and then wash, filter and dry; S2: irradiating lanthanum oxide in a proton irradiation box for 7.5 minutes at an irradiation power of 370 W, and obtaining irradiated lanthanum oxide after the irradiation is completed; The irradiated lanthanum oxide is stirred and mixed in a sufficient amount of cobalt nitrate solution, and then filtered and dried to obtain a lanthanum oxide agent; S3: 6 parts of nano-mica powder and 3.5 parts of chitosan solution with a mass fraction of 5% are added to 8 parts of dopamine hydrochloride solution, and then 2 parts of lanthanum oxide are added and mixed and stirred to obtain a modified solution; S4: The dried porous silica and the modified liquid are stirred and modified in a weight ratio of 2:5. After the stirring is completed, the modified porous agent is washed with water, filtered and dried to obtain the modified porous agent.

[0049] The pore size of the porous silica in this example is 4 nm.

[0050] The acid solution in this embodiment is a sulfuric acid solution with a mass fraction of 3.5%; the mass fraction of the dopamine hydrochloride solution is 4.5%.

[0051] The mass fraction of the cobalt nitrate solution in this embodiment is 3%; the stirring speed of the stirring modification treatment in S4 is 600 r / min, and the stirring time is 25 min.

[0052] The preparation method of the stabilizer of this embodiment is: S11: 4% by mass sodium silicate solution, nano silica sol and 2% by mass yttrium nitrate solution are mixed in a weight ratio of 4:2:2 to obtain a sodium silicate agent; S12: stirring and mixing sodium alginate in a sufficient amount of potassium permanganate solution, then washing, filtering and drying to obtain a sodium alginate agent; The sodium alginate agent and the sodium silicate agent are mixed and ball-milled in a weight ratio of 3:5. After the ball-milling is completed, the mixture is washed with water, filtered and dried to obtain a stabilizer.

[0053] The mass fraction of the potassium permanganate solution in this embodiment is 3%.

[0054] The ball milling speed of the mixed ball milling treatment in S12 of this embodiment is 600 r / min, and the ball milling is performed for 2 hours.

[0055] A method for preparing a breathable cigarette tipping paper according to this embodiment comprises the following steps: The raw materials in the improved material are fully mixed to obtain the improved material, and the improved material is coated on the surface of the tipping paper base paper layer to form an improved layer. A printing layer and a hot stamping layer are arranged on the upper surface of the tipping paper base paper layer from top to bottom to obtain the cigarette tipping paper with ventilation function of the present invention.

[0056] Comparative Example 1. The difference from Example 3 is that no modified porous agent is added.

[0057] Comparative Example 2. The difference from Example 3 is that no modifying liquid is added in the preparation of the modified porous agent.

[0058] Comparative Example 3. The difference from Example 3 is that no lanthanum oxide agent is added in the preparation of the modified solution.

[0059] Comparative Example 4. The difference from Example 3 is that the lanthanum oxide agent is replaced by lanthanum oxide.

[0060] Comparative Example 5. The difference from Example 3 is that no nano-mica powder and 5% by mass chitosan solution were added in the preparation of the modified solution.

[0061] Comparative Example 6. The difference from Example 3 is that no stabilizer was added.

[0062] Comparative Example 7. The difference from Example 3 is that no sodium alginate is added to the stabilizer.

[0063] Comparative Example 8. The difference from Example 3 is that no yttrium nitrate solution is added to the stabilizer.

[0064] In order to compare and illustrate the performance of different products, the following properties of the products obtained in the embodiments and comparative examples were tested: The conventional performance tests of the products of Examples 1-3 and Comparative Examples 1-8 were carried out, and the acid mist resistance of the products was tested by placing them in 2% hydrochloric acid mist for 24 hours. The results are as follows:

[0065] It can be seen from Comparative Examples 1-8 and Example 3 that the product of Example 3 has excellent flame retardancy and air permeability, the two properties are well coordinated, and the acid corrosion resistance stability of the product is remarkable; The present invention does not add modified porous agent and stabilizer, and the performance of the product deteriorates significantly. The two are used in combination to achieve synergistic effects, and the product performance effect is most obvious; The performance of the products tended to deteriorate when no modifying liquid was added to the modified porous agent, no lanthanum oxide was added to the modified liquid, lanthanum oxide was replaced by lanthanum oxide, nano-mica powder and 5% chitosan solution by mass were not added to the modified liquid, sodium alginate was not added to the stabilizer, and yttrium nitrate solution was not added to the stabilizer. At the same time, the modified liquid preparation method is changed, but the effect produced by the method of the present invention is not as good as the best. The modified liquid of the present invention has a significant improvement in flame retardant effect; When no lanthanum oxide agent is added in the preparation of the modified liquid, lanthanum oxide agent is replaced by lanthanum oxide, nano mica powder and 5% chitosan solution by mass are not added in the preparation of the modified liquid, and the preparation conditions are changed, the performance of the product tends to deteriorate. Only when the product raw material is obtained by the method of the present invention, the product performance effect is most obvious.

[0066] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be considered exemplary and non-restrictive in all respects, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention.

[0067] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A cigarette tipping paper with ventilation function, comprising a tipping paper base paper layer, a printing layer and a hot stamping layer arranged in sequence from top to bottom on the upper surface of the tipping paper base paper layer, characterized in that: An improved layer is provided on the lower surface of the tipping paper base paper layer; The improved layer is formed by coating the improved material on the surface of the tipping paper base paper layer, and the coating thickness is 2-5um; The improved material includes the following raw materials in parts by weight: 20-30 parts of aqueous acrylic emulsion, 30-40 parts of aqueous polyurethane emulsion, 4-7 parts of modified porous agent, 3-5 parts of stabilizer, 2-5 parts of cross-linking agent, 30-35 parts of ethanol solvent, 2-5 parts of BYK-180 dispersant, 2-5 parts of BYK-093 defoamer, 4-7 parts of magnesium hydroxide flame retardant.

2. The cigarette tipping paper with ventilation function according to claim 1, characterized in that: The solid contents of the aqueous acrylic emulsion and the aqueous polyurethane emulsion are both 45%; the cross-linking agent is castor oil.

3. The cigarette tipping paper with ventilation function according to claim 1, characterized in that: The preparation method of the modified porous agent is: S1: Mix the porous silica in a sufficient amount of acid solution, and then wash, filter and dry; S2: irradiating lanthanum oxide in a proton irradiation box for 5-10 minutes at an irradiation power of 350-400W, and obtaining irradiated lanthanum oxide after the irradiation is completed; The irradiated lanthanum oxide is stirred and mixed in a sufficient amount of cobalt nitrate solution, and then filtered and dried to obtain a lanthanum oxide agent; S3: 5-7 parts of nano-mica powder and 2-5 parts of 5% chitosan solution are added to 6-10 parts of dopamine hydrochloride solution, and then 1-3 parts of lanthanum oxide are added to mix and stir to obtain a modified solution; S4: The dried porous silica and the modified liquid are stirred and modified in a weight ratio of 2:

5. After the stirring is completed, the modified porous agent is washed with water, filtered and dried to obtain the modified porous agent.

4. The cigarette tipping paper with ventilation function according to claim 3, characterized in that: The pore size of the porous silica is 3-5 nm.

5. The cigarette tipping paper with ventilation function according to claim 3, characterized in that: The acid solution is a sulfuric acid solution with a mass fraction of 2-5%; the mass fraction of the dopamine hydrochloride solution is 3-6%.

6. The cigarette tipping paper with ventilation function according to claim 3, characterized in that: The mass fraction of the cobalt nitrate solution is 2-4%; the stirring speed of the stirring modification treatment in S4 is 550-750 r / min, and the stirring time is 20-30 min.

7. The cigarette tipping paper with ventilation function according to claim 3, characterized in that: The preparation method of the stabilizer is: S11: 4% by mass sodium silicate solution, nano silica sol and 2% by mass yttrium nitrate solution are mixed in a weight ratio of (3-5):2:(1-3) to obtain a sodium silicate agent; S12: stirring and mixing sodium alginate in a sufficient amount of potassium permanganate solution, then washing, filtering and drying to obtain a sodium alginate agent; The sodium alginate agent and the sodium silicate agent are mixed and ball-milled in a weight ratio of 3:

5. After the ball-milling is completed, the mixture is washed with water, filtered and dried to obtain a stabilizer.

8. The cigarette tipping paper with ventilation function according to claim 7, characterized in that: The mass fraction of the potassium permanganate solution is 2-4%.

9. The cigarette tipping paper with ventilation function according to claim 7, characterized in that: The ball milling speed of the mixed ball milling treatment in S12 is 550-750 r / min, and the ball milling is performed for 2 hours.

10. A method for preparing the cigarette tipping paper with ventilation function as claimed in any one of claims 1 to 9, characterized in that: The following steps are involved: The raw materials in the improved material are fully mixed to obtain the improved material, and the improved material is coated on the surface of the tipping paper base paper layer to form an improved layer. A printing layer and a hot stamping layer are arranged on the upper surface of the tipping paper base paper layer from top to bottom to obtain the cigarette tipping paper with ventilation function of the present invention.

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