Honeycomb paper capable of preventing tensile fracture and preparation method thereof

Abstract

The invention discloses honeycomb paper capable of preventing tensile fracture and a preparation method thereof.The preparation method comprises the steps of papermaking, dipping, tensile adhesive preparation, paper sizing, paper rolling, honeycomb hole opening and the like, the preparation method is simple and reasonable, the prepared honeycomb paper is high in structural strength and tensile strength, the fracture condition is not prone to occurring, and the service life of the honeycomb paper is prolonged. And the product quality is greatly improved. Besides, sulfate softwood pulp and sulfate bamboo pulp are combined, neosinocalamus affinis bamboo powder is added, the mechanical strength of the honeycomb paper can be improved, and the tensile property of the honeycomb paper can be improved by dipping the raw paper into chitosan methacrylate dipping liquid; rosin modified alkyd resin, oxidized starch, polyoxyethylene, titanium isopropoxide triisostearate, carboxymethyl cellulose, an acrylic emulsion, a dry strength agent, a lubricant and modified polyvinyl alcohol are added into the tensile adhesive, so that the tensile strength of the honeycomb paper can be improved, and the surface pore structure of the honeycomb paper can be improved.

Description

Technical Field

[0001] The invention relates to the technical field of honeycomb paper, and more particularly to honeycomb paper capable of preventing tensile fracture and a preparation method thereof. Background Art

[0002] like Figure 1 and Figure 2 As shown, the existing honeycomb paper can be prepared by opening holes through a honeycomb paper slotting machine. After opening holes, the positions of two adjacent rows of holes are staggered. When it is necessary to stretch the honeycomb paper for use, the holes of the honeycomb paper can be expanded to form a honeycomb mesh structure. However, the existing honeycomb paper is prone to breakage during the stretching process and has poor tensile strength, which affects user use. Summary of the invention

[0003] The purpose of the present invention is to overcome the above-mentioned defects in the prior art and provide a honeycomb paper that can prevent tensile fracture and a preparation method thereof.

[0004] To achieve the above object, a first aspect of the present invention provides a method for preparing honeycomb paper capable of preventing tensile fracture, comprising the following steps:

[0005] (1) Papermaking: mixing kraft softwood pulp and kraft bamboo pulp to form a first mixed pulp, then adding bamboo powder of Phyllostachys chinensis and stirring evenly to obtain a second mixed pulp, then forming the second mixed pulp into a paper, dehydrating and drying it to obtain base paper;

[0006] (2) Impregnation: impregnating the base paper in a chitosan methacrylate impregnation solution to obtain an impregnated paper;

[0007] (3) Preparation of tensile adhesive: rosin-modified alkyd resin, oxidized starch, polyethylene oxide, isopropyl titanate triisostearate and carboxymethyl cellulose are added to acrylic emulsion and stirred to obtain a mixed solution, then the mixed solution is heated to 85-95° C. and a dry strength agent and a lubricant are added to react for 2-4 hours, then modified polyvinyl alcohol is added and stirred for 15-20 minutes, the temperature is lowered to 35-40° C., and the viscosity is adjusted to 10000-12000 MPa to obtain a tensile adhesive;

[0008] (4) Paper sizing: adding the tensile adhesive to a sizing machine, and applying sizing to both sides of the impregnated paper treated in step (2) by the sizing machine, followed by drying, wherein the moisture content of the paper after drying is controlled to be 5 to 7.5%;

[0009] (5) Paper rolling: rolling up the paper after gluing and drying;

[0010] (6) Opening honeycomb holes: The rolled paper is placed on a honeycomb paper slotting machine, and the paper is opened with holes by the honeycomb paper slotting machine, wherein the positions of two adjacent rows of holes are staggered.

[0011] In step (1), by mass percentage, the kraft softwood pulp accounts for 35-60%, the kraft bamboo pulp accounts for 35-60%, and the bamboo powder accounts for 2-8%.

[0012] The particle size of the bamboo powder is set to be 10-100 nm.

[0013] In terms of mass percentage, the proportions of various raw materials in the tensile adhesive are as follows:

[0014]

[0015] Preferably, the preparation method of the modified polyvinyl alcohol comprises the following steps:

[0016] By mass percentage, 35-50% polyvinyl alcohol solution is added to 30-45% montmorillonite dispersion, and 2-6% propylene glycol, 5-10% silane coupling agent and 3-8% sodium hydroxide are added, the temperature is raised to 80-90° C., stirred and then allowed to stand for defoaming to obtain modified polyvinyl alcohol;

[0017] Preferably, the silane coupling agent is vinyltrimethoxysilane.

[0018] Preferably, the oxidized starch is one of oxidized corn starch, oxidized cassava starch, oxidized potato starch, or a combination thereof.

[0019] Preferably, the lubricant is a calcium stearate lubricant; and the dry strength agent is a modified anionic starch.

[0020] As a preferred embodiment, the glue application amount of the surface roller and the bottom roller of the sizing machine is 1.5 to 3.5 g / m 2 .

[0021] Preferably, in step (4), the drying condition is to use an electric infrared generator to perform infrared drying on the sizing paper at 90 to 130° C. for 20 to 30 minutes.

[0022] Preferably, the honeycomb paper slotting machine includes an unwinding roller, a guide roller, a cutting roller, a traction roller and a winding roller, wherein the unwinding roller, the traction roller and the winding roller are arranged in sequence along the paper feeding direction, at least one guide roller is provided and arranged between the unwinding roller and the traction roller along the paper feeding direction, the cutting roller is located directly above the traction roller, the traction roller and / or the cutting roller are driven to rotate by a first rotating drive device, the cutting roller includes a cutting roller body, a cutting knife mounting cylinder, a cutting knife sponge sleeve and a plurality of cutting knives, and the cutting knife roller body The entire outer surface is provided with a plurality of threaded positioning holes arranged in a matrix, the cutter mounting cylinder is fixed to the cutter roller body by screws installed at the positions of the specified threaded positioning holes, the cutters are evenly installed on the entire outer surface of the cutter mounting cylinder, and the positions of two adjacent rows of cutters are staggered with each other, the cutter sponge sleeve is installed on the outer surface of the cutter mounting cylinder, and the cutter sponge sleeve is provided with cutter accommodating holes corresponding to the positions of the cutters, the outer surface of the traction pressure roller is provided with a traction sponge sleeve, and the winding roller is driven to rotate by the second rotation drive device.

[0023] A second aspect of the present invention provides a honeycomb paper capable of preventing tensile fracture, which is prepared according to the above preparation method.

[0024] Compared with the prior art, the present invention has the following beneficial effects:

[0025] 1. The preparation method of the present invention is simple and reasonable, the prepared honeycomb paper has high structural strength and tensile strength, is not prone to breakage, and the product quality is greatly improved.

[0026] 2. The present invention combines kraft softwood pulp with kraft bamboo pulp and adds bamboo powder of Phyllostachys chinensis. The bamboo powder of Phyllostachys chinensis can be well filled between the fibers in kraft softwood pulp and kraft bamboo pulp to improve the interface bonding force between the fibers, thereby improving the mechanical strength of the honeycomb paper.

[0027] 3. The present invention immerses the base paper in the chitosan methacrylate impregnation solution, which can greatly improve the tensile properties of the honeycomb paper.

[0028] 4. The tensile adhesive of the present invention is added with rosin-modified alkyd resin, oxidized starch, polyethylene oxide, isopropyl titanate triisostearate, carboxymethyl cellulose, acrylic emulsion, dry strength agent, lubricant, and modified polyvinyl alcohol. The rosin-modified alkyd resin can form a stable adhesive layer under the synergistic effect of oxidized starch and isopropyl titanate triisostearate, ensuring that the adhesive layer on the honeycomb paper is dense and stable. The modified polyvinyl alcohol and carboxymethyl cellulose can not only increase the tensile strength of the honeycomb paper, but also improve the surface pore structure of the honeycomb paper.

[0029] 5. The honeycomb paper slotting machine of the present invention has a reasonable structural design and good hole-opening effect. The cutting roller and the traction pressure roller are both provided with sponge sleeves, which are beneficial to the movement and transportation of paper and will not damage the honeycomb paper, thereby ensuring the quality of the honeycomb paper. Moreover, the position of the cutter is easy to adjust. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0031] Figure 1 This is a physical picture of the honeycomb paper provided by an embodiment of the present invention when stretched;

[0032] Figure 2 is a schematic structural diagram of the honeycomb paper provided by an embodiment of the present invention when it is not stretched;

[0033] Figure 3 is a schematic diagram of the layer structure of honeycomb paper provided in an embodiment of the present invention;

[0034] Figure 4 It is a structural schematic diagram of a honeycomb paper slotting machine provided by an embodiment of the present invention;

[0035] Figure 5 It is a schematic structural diagram of a cutting roller and a traction pressure roller provided in an embodiment of the present invention;

[0036] Figure 6 It is a schematic diagram of the structure of a cutting roller provided in an embodiment of the present invention. DETAILED DESCRIPTION

[0037] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are 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.

[0038] Please refer to Figure 1 and Figure 2 The figure shows a honeycomb paper 1 that can prevent stretching and breaking. The honeycomb paper is provided with a plurality of rows of strip-shaped holes. The positions of two adjacent rows of holes are staggered. When the honeycomb paper is stretched for use, the holes of the honeycomb paper can expand to form a honeycomb mesh structure.

[0039] like Figure 3As shown, the honeycomb paper 1 of this embodiment may include a base paper layer 11 and an anti-tensile adhesive layer 12 , and the anti-tensile adhesive layer 12 is located on the upper and lower surfaces of the base paper layer 11 .

[0040] Example 1

[0041] This embodiment 1 provides a method for preparing honeycomb paper that can prevent tensile fracture, comprising the following steps:

[0042] (1) Papermaking: 35% of kraft softwood pulp and 57% of kraft bamboo pulp are mixed together to form a first mixed slurry, and then 8% of bamboo powder of Phyllostachys chinensis is added and stirred to obtain a second mixed slurry, and then the second mixed slurry is sheet-formed, dehydrated, and dried to obtain base paper;

[0043] In this embodiment, the particle size of the bamboo powder of Phyllostachys australis is set to 10 nm.

[0044] (2) Impregnation: impregnating the base paper in a chitosan methacrylate impregnation solution to obtain an impregnated paper;

[0045] (3) Preparation of tensile adhesive: 5% rosin-modified alkyd resin, 30% oxidized starch, 2% polyethylene oxide, 3% isopropyl titanate triisostearate and 2% carboxymethyl cellulose are added to 40% acrylic emulsion and stirred evenly to obtain a mixed solution. Then, the mixed solution is heated to 85°C and 5% dry strength agent and 3% lubricant are added to react for 2 hours. Then, 10% modified polyvinyl alcohol is added and stirred for 15 minutes. The mixture is cooled to 35°C and the viscosity is adjusted to 12000 MPa to obtain a tensile adhesive.

[0046] In this embodiment, the oxidized starch is corn oxidized starch, the lubricant is calcium stearate lubricant, and the dry strength agent is modified anionic starch.

[0047] The preparation method of the modified polyvinyl alcohol comprises the following steps:

[0048] By mass percentage, 35% polyvinyl alcohol solution was added to 45% montmorillonite dispersion, and 2% propylene glycol, 10% silane coupling agent and 8% sodium hydroxide were added, the temperature was raised to 80° C., and the mixture was stirred and allowed to stand for defoaming to obtain modified polyvinyl alcohol.

[0049] In this embodiment, the silane coupling agent is vinyltrimethoxysilane.

[0050] (4) Paper sizing: adding the tensile adhesive to a sizing machine, and applying sizing to both sides of the impregnated paper treated in step (2) by the sizing machine, followed by drying, wherein the moisture content of the paper after drying is controlled to be 5%;

[0051] In step (4), the glue application amount of the surface roller and the bottom roller of the sizing machine is 1.5g / m 2The drying condition is to use an electric infrared generator to perform infrared drying on the sizing paper at 100° C. for 30 minutes.

[0052] (5) Paper rolling: rolling up the paper after gluing and drying;

[0053] (6) Opening honeycomb holes: The rolled paper is placed on a honeycomb paper slotting machine, and the paper is opened with the honeycomb paper slotting machine.

[0054] Example 2

[0055] This embodiment 2 provides a method for preparing honeycomb paper that can prevent tensile fracture, comprising the following steps:

[0056] (1) Papermaking: 50% of kraft softwood pulp and 45% of kraft bamboo pulp are mixed together to form a first mixed slurry, and then 5% of bamboo powder of Phyllostachys chinensis is added and stirred to obtain a second mixed slurry, and then the second mixed slurry is sheet-formed, dehydrated, and dried to obtain base paper;

[0057] In this embodiment, the particle size of the bamboo powder of Phyllostachys australis is set to 40 nm.

[0058] (2) Impregnation: impregnating the base paper in a chitosan methacrylate impregnation solution to obtain an impregnated paper;

[0059] (3) Preparation of tensile adhesive: 10% rosin-modified alkyd resin, 30% oxidized starch, 4% polyethylene oxide, 5% isopropyl titanate triisostearate and 5% carboxymethyl cellulose were added to 30% acrylic emulsion and stirred to obtain a mixed solution. Then, the mixed solution was heated to 90°C and 5% dry strength agent and 4% lubricant were added to react for 3 hours. Then, 7% modified polyvinyl alcohol was added and stirred for 20 minutes. The mixture was cooled to 38°C and the viscosity was adjusted to 11000 MPa to obtain a tensile adhesive.

[0060] In this embodiment, the oxidized starch is cassava oxidized starch, the lubricant is calcium stearate lubricant, and the dry strength agent is modified anionic starch.

[0061] The preparation method of the modified polyvinyl alcohol comprises the following steps:

[0062] By mass percentage, 40% polyvinyl alcohol solution is added to 45% montmorillonite dispersion, and 4% propylene glycol, 8% silane coupling agent and 3% sodium hydroxide are added, the temperature is raised to 85° C., and the mixture is stirred and allowed to stand for defoaming to obtain modified polyvinyl alcohol;

[0063] In this embodiment, the silane coupling agent is vinyltrimethoxysilane.

[0064] (4) Paper sizing: adding the tensile adhesive to a sizing machine, and applying sizing to both sides of the impregnated paper treated in step (2) by the sizing machine, followed by drying. After drying, the moisture content of the paper is controlled to be 6%;

[0065] In step (4), the glue application amount of the surface roller and the bottom roller of the sizing machine is 2g / m 2 The drying condition is to use an electric infrared generator to perform infrared drying on the sizing paper at 110° C. for 25 minutes.

[0066] (5) Paper rolling: rolling up the paper after gluing and drying;

[0067] (6) Opening honeycomb holes: The rolled paper is placed on a honeycomb paper slotting machine, and the paper is opened with the honeycomb paper slotting machine.

[0068] Example 3

[0069] This embodiment 3 provides a method for preparing honeycomb paper that can prevent tensile fracture, comprising the following steps:

[0070] (1) Papermaking: 60% of kraft softwood pulp and 38% of kraft bamboo pulp are mixed together to form a first mixed slurry, and then 2% of bamboo powder of Phyllostachys chinensis is added and stirred to obtain a second mixed slurry, and then the second mixed slurry is sheet-formed, dehydrated, and dried to obtain base paper;

[0071] In this embodiment, the particle size of the bamboo powder is set to 80 nm.

[0072] (2) Impregnation: impregnating the base paper in a chitosan methacrylate impregnation solution to obtain an impregnated paper;

[0073] (3) Preparation of tensile adhesive: 15% rosin-modified alkyd resin, 20% oxidized starch, 6% polyethylene oxide, 6% isopropyl titanate triisostearate and 10% carboxymethyl cellulose were added to 20% acrylic emulsion and stirred to obtain a mixed solution. Then, the mixed solution was heated to 95°C and 8% dry strength agent and 6% lubricant were added to react for 4 hours. Then, 9% modified polyvinyl alcohol was added and stirred for 20 minutes. The mixture was cooled to 40°C and the viscosity was adjusted to 12000 MPa to obtain a tensile adhesive.

[0074] In this embodiment, the oxidized starch is potato oxidized starch, the lubricant is calcium stearate lubricant, and the dry strength agent is modified anionic starch.

[0075] The preparation method of the modified polyvinyl alcohol comprises the following steps:

[0076] By mass percentage, 50% polyvinyl alcohol solution is added to 30% montmorillonite dispersion, and 6% propylene glycol, 6% silane coupling agent and 8% sodium hydroxide are added, the temperature is raised to 90° C., and the mixture is stirred and allowed to stand for defoaming to obtain modified polyvinyl alcohol;

[0077] In this embodiment, the silane coupling agent is vinyltrimethoxysilane.

[0078] (4) Paper sizing: adding the tensile adhesive to a sizing machine, and applying sizing to both sides of the impregnated paper treated in step (2) by the sizing machine, followed by drying. After drying, the moisture content of the paper is controlled to be 7.5%;

[0079] In step (4), the glue application amount of the surface roller and the bottom roller of the sizing machine is 3.5g / m 2 The drying condition is to use an electric infrared generator to perform infrared drying on the sizing paper at 130° C. for 20 minutes.

[0080] (5) Paper rolling: rolling up the paper after gluing and drying;

[0081] (6) Opening honeycomb holes: The rolled paper is placed on a honeycomb paper slotting machine, and the paper is opened with the honeycomb paper slotting machine.

[0082] In the above-mentioned embodiments 1 to 3, the honeycomb paper slotting machine may adopt the following structure:

[0083] like Figure 4 and Figure 5 As shown, the honeycomb paper slotting machine may include an unwinding roller 21, a guide roller 22, a cutter roller 23, a traction pressure roller 24 and a winding roller 25. The unwinding roller 21, the traction pressure roller 24 and the winding roller 25 are arranged in sequence along the paper feeding direction. At least one guide roller 22 is provided and is arranged between the unwinding roller 21 and the traction pressure roller 24 along the paper feeding direction. The cutter roller 23 is located directly above the traction pressure roller 24. The traction pressure roller 24 and / or the cutter roller 23 are driven to rotate by a first rotation drive device, and the winding roller 25 is driven to rotate by a second rotation drive device.

[0084] In this embodiment, the rotation driving device can be configured as a transmission component such as a motor and a belt.

[0085] like Figure 5 and Figure 6As shown, the cutting roller 23 may include a cutting roller body 231, a cutting knife mounting cylinder 232, a cutting knife sponge sleeve 233 and a plurality of cutting knives 234. The entire outer surface of the cutting roller body 231 is provided with a plurality of threaded positioning holes 236 arranged in a matrix. The cutting knife mounting cylinder 232 is fixed to the cutting roller body 231 by screws 237 installed at the positions of the specified threaded positioning holes. The cutting knives 234 are evenly installed on the entire outer surface of the cutting knife mounting cylinder 232. The positions of two adjacent rows of cutting knives 234 are staggered with each other. The cutting knife sponge sleeve 233 is installed on the outer surface of the cutting knife mounting cylinder 232. The cutting knife sponge sleeve 233 is provided with a cutting knife accommodating hole 235 corresponding to the position of the cutting knife 234. The outer surface of the traction pressure roller 24 is provided with a traction sponge sleeve 241.

[0086] Since the entire outer surface of the cutter roller body 231 is provided with a plurality of threaded positioning holes 236 arranged in a matrix, after loosening the screws 237, the cutter mounting tube 232 can be conveniently adjusted to a specific position on the cutter roller body 231, so as to facilitate adjustment of the position of the cutter and the paper.

[0087] Sponge covers are provided on the cutter roller and the traction pressure roller, which are beneficial to the movement and transportation of paper and will not damage the honeycomb paper, thus ensuring the quality of the honeycomb paper.

[0088] When the paper is conveyed between the cutter roller and the traction pressure roller, the sponge sleeves on the cutter roller and the traction pressure roller squeeze each other, and the cutter can extend from the cutter accommodating hole of the cutter sponge sleeve to open a hole in the paper.

[0089] The honeycomb paper of Examples 1 to 3 was tested and the following data were obtained:

[0090] The average folding endurance is ≥600 times, the surface water absorption is ≤25g / m2, the surface strength is ≥4m / s, and the tearing force reaches 30~80g.

[0091] The above embodiments are preferred implementation modes of the present invention, but the implementation modes of the present invention are not limited to the above embodiments. Any other changes, modifications, substitutions, combinations, and simplifications that do not deviate from the spirit and principles of the present invention should be equivalent replacement methods and are included in the protection scope of the present invention.

Claims

1. A method for preparing honeycomb paper capable of preventing tensile fracture, characterized in that: The following steps are involved: (1) Papermaking: mixing kraft softwood pulp and kraft bamboo pulp to form a first mixed pulp, then adding bamboo powder of Phyllostachys chinensis and stirring evenly to obtain a second mixed pulp, then forming the second mixed pulp into a paper, dehydrating and drying it to obtain base paper; (2) Impregnation: impregnating the base paper in a chitosan methacrylate impregnation solution to obtain an impregnated paper; (3) Preparation of tensile adhesive: rosin-modified alkyd resin, oxidized starch, polyethylene oxide, isopropyl titanate triisostearate and carboxymethyl cellulose are added to acrylic emulsion and stirred to obtain a mixed solution, then the mixed solution is heated to 85-95° C. and a dry strength agent and a lubricant are added to react for 2-4 hours, then modified polyvinyl alcohol is added and stirred for 15-20 minutes, the temperature is lowered to 35-40° C., and the viscosity is adjusted to 10000-12000 MPa to obtain a tensile adhesive; (4) Paper sizing: adding the tensile adhesive to a sizing machine, and applying sizing to both sides of the impregnated paper treated in step (2) by the sizing machine, followed by drying, wherein the moisture content of the paper after drying is controlled to be 5 to 7.5%; (5) Paper rolling: rolling up the paper after gluing and drying; (6) Opening honeycomb holes: The rolled paper is placed on a honeycomb paper slotting machine, and the paper is opened with holes by the honeycomb paper slotting machine, wherein the positions of two adjacent rows of holes are staggered.

2. The method for preparing honeycomb paper capable of preventing tensile fracture according to claim 1, characterized in that: In step (1), by mass percentage, the kraft softwood pulp accounts for 35-60%, the kraft bamboo pulp accounts for 35-60%, and the bamboo powder accounts for 2-8%.

3. The method for preparing honeycomb paper capable of preventing tensile fracture according to claim 1, characterized in that: The particle size of the bamboo powder is set to be 10-100 nm.

4. The method for preparing honeycomb paper capable of preventing tensile fracture according to claim 1, characterized in that: In terms of mass percentage, the proportions of various raw materials in the tensile adhesive are as follows:

5. The method for preparing honeycomb paper capable of preventing tensile fracture according to claim 1, characterized in that: The preparation method of the modified polyvinyl alcohol comprises the following steps: By mass percentage, 35-50% polyvinyl alcohol solution is added to 30-45% montmorillonite dispersion, and 2-6% propylene glycol, 5-10% silane coupling agent and 3-8% sodium hydroxide are added, the temperature is raised to 80-90° C., stirred and then allowed to stand for defoaming to obtain modified polyvinyl alcohol; The silane coupling agent is vinyltrimethoxysilane.

6. The method for preparing honeycomb paper capable of preventing tensile fracture according to claim 1, characterized in that: The oxidized starch is one of oxidized corn starch, oxidized cassava starch, oxidized potato starch, or a combination thereof.

7. The method for preparing honeycomb paper capable of preventing tensile fracture according to claim 1, characterized in that: The lubricant is a calcium stearate lubricant; and the dry strength agent is a modified anionic starch.

8. The method for preparing honeycomb paper capable of preventing tensile fracture according to claim 1, characterized in that: The glue application amount of the surface roller and bottom roller of the sizing machine is 1.5-3.5 g / m 2 ; In step (4), the drying condition is to use an electric infrared generator to perform infrared drying on the sizing paper at 90 to 130° C. for 20 to 30 minutes.

9. The method for preparing honeycomb paper capable of preventing tensile fracture according to claim 1, characterized in that: The honeycomb paper slotting machine comprises an unwinding roller, a guide roller, a cutter roller, a traction pressure roller and a winding roller, wherein the unwinding roller, the traction pressure roller and the winding roller are arranged in sequence along the paper feeding direction, at least one guide roller is provided and arranged between the unwinding roller and the traction pressure roller along the paper feeding direction, the cutter roller is located directly above the traction pressure roller, the traction pressure roller and / or the cutter roller are driven to rotate by a first rotary drive device, the cutter roller comprises a cutter roller body, a cutter mounting cylinder, a cutter sponge sleeve and a plurality of cutters, the entire outer surface of the cutter roller body is provided with a plurality of threaded positioning holes arranged in a matrix, the cutter mounting cylinder is fixed to the cutter roller body by screws installed at the positions of the designated threaded positioning holes, the cutters are evenly installed on the entire outer surface of the cutter mounting cylinder, the positions of the cutters in two adjacent rows are staggered, the cutter sponge sleeve is installed on the outer surface of the cutter mounting cylinder, the cutter sponge sleeve is provided with a cutter accommodating hole corresponding to the position of the cutter, the outer surface of the traction pressure roller is provided with a traction sponge sleeve, and the winding roller is driven to rotate by a second rotary drive device.

10. A honeycomb paper capable of preventing tensile fracture, characterized in that: It is prepared according to the preparation method according to any one of claims 1 to 9.

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