Core paper with high fiber retention rate

Abstract

The utility model provides core paper with high fiber retention rate, which relates to the technical field of core paper, and comprises two surface paper main bodies, the core paper main body is arranged between the outer surface walls of the two surface paper main bodies, and the core paper main body consists of a surface layer, a lining layer, a filling layer and a second supporting layer; under the action of a series of components, the surface layer can enable the surface quality of the core paper to be higher and the printing effect to be better, the lining layer is mainly used as a transition layer and guarantees good combination between the surface layer and the filling layer, the filling layer is formed by mixing and filling mineral powder and plant fibers, the mineral powder has a certain retention effect, and the plant fibers are not prone to falling off. Loss of plant fibers in the paper can be effectively avoided, the retention rate of the fibers is increased, so that the paper is more stable during use, the overall quality of the paper is improved, the strength of the paper is improved through the second supporting layer, the paper is not prone to deformation during use, and the overall appearance quality of a paper core is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of core paper, in particular to a core paper with high fiber retention rate. Background Art

[0002] In the modern papermaking industry, the efficiency of raw material use and the improvement of paper performance have become the focus of research. As an innovative paper product, high fiber retention core paper has received widespread attention due to its excellent physical properties and environmental protection characteristics.

[0003] In the prior art, during the production process of core paper, it is necessary to fill it with fibers to ensure the quality of the core paper. However, during the production of most core papers, the fibers inside are lost too quickly, resulting in an excessively high fiber loss rate, which seriously affects the stability of the core paper and reduces the overall quality of the paper. Utility Model Content

[0004] The utility model mainly provides a core paper with a high fiber retention rate which can improve the fiber retention rate and prevent excessive loss of fibers inside the core paper.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a high fiber retention rate core paper, including two surface paper bodies, a core paper body is arranged between the outer walls of the two surface paper bodies, the core paper body is composed of a surface layer, a lining layer, a filling layer, and a second supporting layer, a lining layer is arranged on one side of the outer wall of the surface layer, a filling layer is arranged on one side of the outer wall of the lining layer, and a second supporting layer is arranged on the outer wall of the filling layer.

[0006] Preferably, the surface layer is made of bleached kraft pulp, and the thickness of the surface layer is between 9-15 μm.

[0007] Preferably, the lining layer is made of light-colored waste paper pulp, and the thickness of the lining layer is between 2-6 μm.

[0008] Preferably, the filling layer is made of a mixture of natural fibers and mineral powder, and the thickness of the filling layer is between 5-16 μm, and the second supporting layer is made of high-strength fibers, and the thickness of the second supporting layer is between 12-26 μm.

[0009] Preferably, the facial paper body is composed of a wear-resistant layer and a first supporting layer.

[0010] Preferably, a first supporting layer is provided on one side of the outer wall of the wear-resistant layer.

[0011] Preferably, the wear-resistant layer is made of bamboo fiber, and the thickness of the wear-resistant layer is between 3-6 μm, and the first supporting layer is made of composite material, and the thickness of the first supporting layer is between 2-7 μm.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are:

[0013] 1. In the utility model, under the action of a series of components, the surface layer can make the surface quality of the core paper higher and the printing effect better. The lining layer mainly serves as a transition layer to ensure a good combination between the surface layer and the filling layer. The filling layer is filled with a mixture of mineral powder and plant fiber. The mineral powder has a certain retention effect, which can effectively prevent the loss of plant fiber inside the paper and increase the fiber retention rate, thereby making the paper more stable during use and improving the overall quality of the paper. The second supporting layer improves the strength of the paper, making it less likely to deform during use and improving the overall appearance quality of the paper core.

[0014] 2. In the utility model, through the action of a series of components, the wear-resistant layer can resist wear and scratches when the paper comes into contact with other objects, thereby increasing the service life of the paper. The first supporting layer can make the overall structure of the paper more stable and stronger, ensuring that it will not be broken or deformed due to force during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A main structural stereogram of a core paper with high fiber retention rate is proposed for the utility model;

[0016] Figure 2 A main structure part layer diagram in a core paper with high fiber retention rate is proposed for the utility model;

[0017] Figure 3 A partial structural layered diagram of a core paper with a high fiber retention rate is proposed for the utility model.

[0018] Legend: 1. Surface paper body; 101. Wear-resistant layer; 102. First supporting layer; 2. Core paper body; 201. Surface layer; 202. Lining layer; 203. Filling layer; 204. Second supporting layer. DETAILED DESCRIPTION

[0019] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0020] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0021] See also Figure 1-Figure 3The utility model provides a core paper with high fiber retention rate, including two surface paper bodies 1, a core paper body 2 is arranged between the outer walls of the two surface paper bodies 1, the core paper body 2 is composed of a surface layer 201, a lining layer 202, a filling layer 203, and a second supporting layer 204, the lining layer 202 is arranged on one side of the outer wall of the surface layer 201, the filling layer 203 is arranged on one side of the outer wall of the lining layer 202, and the outer wall of the filling layer 203 is arranged on the second supporting layer 204.

[0022] like Figure 3 As shown: the surface layer 201 is made of bleached kraft wood pulp, and the thickness of the surface layer 201 is between 9-15 μm. The surface layer 201 can improve the printing effect of the paper surface.

[0023] like Figure 3 As shown: the lining layer 202 is made of light-colored waste paper pulp, and the thickness of the lining layer 202 is between 2-6 μm. The lining layer 202 can play a good bonding role and improve the quality of paper.

[0024] like Figure 3 As shown: the filling layer 203 is made of a mixture of natural fibers and mineral powder, and the thickness of the filling layer 203 is between 5-16 μm, and the second supporting layer 204 is made of high-strength fibers, and the thickness of the second supporting layer 204 is between 12-26 μm. By adding plant fibers and mineral powder inside the pulp, not only the quality of the paper can be improved, but also the loss of fibers can be avoided.

[0025] like Figure 2 As shown: the paper body 1 is composed of a wear-resistant layer 101 and a first supporting layer 102, and the wear-resistant layer 101 can extend the service life of the paper.

[0026] like Figure 2 As shown: a first supporting layer 102 is disposed on one side of the outer wall of the wear-resistant layer 101. The first supporting layer 102 can improve the strength of the paper and will not be easily damaged.

[0027] like Figure 2 As shown: the wear-resistant layer 101 is made of bamboo fiber, and the thickness of the wear-resistant layer 101 is between 3-6μm, the first supporting layer 102 is made of a composite material, and the thickness of the first supporting layer 102 is between 2-7μm, and the strength and toughness of the facial paper can be improved under the action of the wear-resistant layer 101 and the first supporting layer 102, avoiding cracking or deformation during use.

[0028] The use method and working principle of the device: When in use, the core paper body 2 is composed of the surface layer 201-the lining layer 202-the filling layer 203-the second supporting layer 204 from the outside to the inside. The surface layer 201 is made of bleached sulfate wood pulp, which can make the surface quality of the core paper higher and the printing effect better. The lining layer 202 is made of light-colored waste paper pulp, and its main function is to serve as a transition layer to ensure a good combination between the surface layer 201 and the filling layer 203. The filling layer 203 is made of a mixture of natural fibers and mineral powder. The mineral powder has a certain retention effect, which can effectively avoid the loss of plant fibers inside the paper and increase the fiber The retention rate makes the paper more stable when in use and improves the overall quality of the paper. The second supporting layer 204 is made of high-strength fiber, which makes it less likely to deform during use and improves the overall appearance quality of the paper core. The face paper body 1 is a wear-resistant layer 101-first supporting layer 102 from the outside to the inside. The wear-resistant layer 101 is made of bamboo fiber, which can resist wear and scratches when the paper contacts other objects, thereby increasing the service life of the paper. The first supporting layer 102 is made of a composite material, which can make the overall structure of the paper more stable and stronger, ensuring that it will not break or deform due to force during use.

[0029] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A core paper with high fiber retention rate, characterized in that: The invention comprises two surface paper bodies (1), a core paper body (2) being arranged between the outer walls of the two surface paper bodies (1), the core paper body (2) being composed of a surface layer (201), a lining layer (202), a filling layer (203), and a second supporting layer (204), the lining layer (202) being arranged on one side of the outer wall of the surface layer (201), the filling layer (203) being arranged on one side of the outer wall of the lining layer (202), and the second supporting layer (204) being arranged on the outer wall of the filling layer (203).

2. The high fiber retention core paper according to claim 1, characterized in that: The surface layer (201) is made of bleached kraft wood pulp, and the thickness of the surface layer (201) is between 9 and 15 μm.

3. The high fiber retention core paper according to claim 2, characterized in that: The lining layer (202) is made of light-colored waste paper pulp, and the thickness of the lining layer (202) is between 2 and 6 μm.

4. The high fiber retention core paper according to claim 3, characterized in that: The filling layer (203) is made of a mixture of natural fibers and mineral powder, and the thickness of the filling layer (203) is between 5 and 16 μm. The second supporting layer (204) is made of high-strength fibers, and the thickness of the second supporting layer (204) is between 12 and 26 μm.

5. The high fiber retention core paper according to claim 4, characterized in that: The facial paper body (1) is composed of a wear-resistant layer (101) and a first supporting layer (102).

6. The high fiber retention core paper according to claim 5, characterized in that: A first supporting layer (102) is provided on one side of the outer wall of the wear-resistant layer (101).

7. The high fiber retention core paper according to claim 6, characterized in that: The wear-resistant layer (101) is made of bamboo fiber, and the thickness of the wear-resistant layer (101) is between 3 and 6 μm; the first supporting layer (102) is made of a composite material, and the thickness of the first supporting layer (102) is between 2 and 7 μm.

Images