CN112681004A - Novel super-permeability coated paper - Google Patents
Novel super-permeability coated paper Download PDFInfo
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- CN112681004A CN112681004A CN202011604387.3A CN202011604387A CN112681004A CN 112681004 A CN112681004 A CN 112681004A CN 202011604387 A CN202011604387 A CN 202011604387A CN 112681004 A CN112681004 A CN 112681004A
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Abstract
The invention discloses novel super-permeable coated paper, and relates to the technical field of super-permeable coated paper. The invention comprises white board base paper; the upper surface of the white board base paper is coated with a pigment coating layer; the upper surface of the pigment coating layer is provided with a super-permeable film; the white board base paper at least sequentially comprises a bottom layer, a core layer, a lining layer and a surface layer; the pigment coating layer is positioned on the upper surface of the surface layer; the surface layer contains calcium carbonate as inorganic pigment, and the pulp amount of the calcium carbonate contained in the surface layer is 2-15% of that of the opposite surface layer; the pigment coating layer contains an inorganic pigment. The particle size of 60% volume of a particle size distribution curve obtained by laser diffraction method of inorganic pigment in the pigment coating layer is 0.3-0.75 um; and the ratio of the particle size of 90% by volume to the particle size of 10% by volume of the particle size distribution curve is less than 6; the smoothness and the beautifying and decorating effect of the white paper are improved; meanwhile, the uniform particle size distribution of the light calcium carbonate is ensured, and the glossiness of the coated paper is improved.
Description
Technical Field
The invention belongs to the technical field of super-permeable coated paper, and particularly relates to novel super-permeable coated paper.
Background
Coated white board is a white board made by coating base paper made by multilayer papermaking with paint containing pigment and adhesive as main components, and is mainly used for packaging boxes of cosmetics, pharmaceuticals, soaps, gifts and the like. These packaging boxes are required to have excellent gloss and decorative effects, and also excellent durability and surface protection effects suitable for long-term display, in order to satisfy the display effects when displayed on the store door.
The smoothness of the white paper is poor due to the types, particle sizes and particle size distribution of the pigments used in the top coating of the existing coated white paper, and the beautifying and decorating effects are damaged. In addition, when the particle size distribution of the light calcium carbonate is not uniform, the gloss of gloss may be reduced and unevenness may be generated.
In order to solve the problems, the invention provides novel ultra-permeable coated paper.
Disclosure of Invention
The invention aims to provide novel ultra-permeable coated paper, which is used for solving the technical problems in the background technology.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a novel ultra-permeable coated paper, which comprises white board base paper; the upper surface of the white board base paper is coated with a pigment coating layer; the upper surface of the pigment coating layer is provided with a super-permeable film; the white board base paper at least sequentially comprises a bottom layer, a core layer, a lining layer and a surface layer; the pigment coating layer is positioned on the upper surface of the surface layer;
the surface layer contains calcium carbonate as an inorganic pigment, and the pulp amount of the calcium carbonate contained in the surface layer is 2-15% of that of the opposite surface layer; the pigment coating layer contains an inorganic pigment.
As a preferable mode, the inorganic pigment in the pigment coating layer contains needle-shaped light calcium carbonate and columnar light calcium carbonate.
As a preferable technical scheme, the particle size of 60 percent of the particle size distribution curve obtained by the laser diffraction method of the inorganic pigment in the pigment coating layer is 0.3-0.75 um.
As a preferable technical solution, the ratio of 90% particle size to 10% particle size of the particle size distribution curve obtained by the laser diffraction method of the inorganic pigment in the pigment coating layer is less than 6.
As a preferable technical scheme, the calcium carbonate contained in the surface layer is light calcium carbonate with the BET specific surface area of 6m2/g-10m 2/g.
Preferably, the liner layer and the bottom layer contain waste pulp having a lower whiteness than pulp contained in the surface layer, and the core layer contains waste pulp having a lower whiteness than pulp contained in the liner layer and the bottom layer.
As a preferred technical scheme, the permeation diameter of the ultra-permeable membrane is 0.01um-0.025 um.
One aspect of the present invention has the following advantageous effects:
1. the particle size of 60% volume of a particle size distribution curve obtained by laser diffraction method of inorganic pigment in the pigment coating layer is 0.3-0.75 um; and the ratio of the particle size of 90% by volume to the particle size of 10% by volume of the particle size distribution curve is less than 6; the smoothness and the beautifying and decorating effect of the white paper are improved; meanwhile, the uniform particle size distribution of the light calcium carbonate is ensured, and the glossiness of the coated paper is improved.
2. The surface layer of the invention contains calcium carbonate as inorganic pigment, and the pulp amount of the calcium carbonate contained in the surface layer is 2-15% of that of the opposite surface layer; meanwhile, the permeation diameter of the ultra-permeable membrane is ensured to be 0.01um-0.025 um; the transmittance of the surface layer can be increased, and the glossiness of the coated paper can be improved.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a novel ultra-permeable coated paper according to the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
11-white board base paper, 111-bottom layer, 112-core layer, 113-lining layer, 114-surface layer, 12-pigment coating layer and 13-ultra-permeable film.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "open," "upper," "middle," "length," "inner," and the like are used in an orientation or positional relationship for convenience in describing the present invention and for simplicity of description, and do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
The first embodiment is as follows:
referring to fig. 1, the present invention is a novel ultra-permeable coated paper, including a white board base paper; the upper surface of the white board base paper 11 is coated with a pigment coating layer 12; the upper surface of the pigment coating layer 12 is provided with a super-permeable film 13; the whiteboard base paper at least sequentially comprises a bottom layer 111, a core layer 112, a lining layer 113 and a surface layer 114; the pigment coating layer 11 is located on the upper surface of the surface layer 114; the surface layer 114 contains calcium carbonate as an inorganic pigment and the surface layer 114 contains calcium carbonate in an amount of 2 to 15% based on the pulp amount of the surface layer 114; the pigment coating layer 11 contains an inorganic pigment.
Specifically, the inorganic pigment in the pigment coating layer 11 contains needle-shaped light calcium carbonate and columnar light calcium carbonate; in addition, the particle size of 60% volume of the particle size distribution curve obtained by the laser diffraction method of the inorganic pigment in the pigment coating layer 11 is 0.3-0.75 um; the ratio of the particle size of 90% by volume to the particle size of 10% by volume of the particle size distribution curve obtained by the laser diffraction method of the inorganic pigment in the pigment coating layer 11 is less than 6. In this example, the particle diameter of 60% by volume of the particle size distribution curve obtained by laser diffraction method of the inorganic pigment in the pigment coating layer 11 was 0.3 to 0.75 um; and the ratio of the particle size of 90% by volume to the particle size of 10% by volume of the particle size distribution curve is less than 6; the smoothness and the beautifying and decorating effect of the white paper are improved; meanwhile, the uniform particle size distribution of the light calcium carbonate is ensured, and the glossiness of the coated paper is improved.
The second embodiment is as follows:
please refer to fig. 1, which illustrates a novel ultra-permeable coated paper, including a white board base paper; the upper surface of the white board base paper 11 is coated with a pigment coating layer 12; the upper surface of the pigment coating layer 12 is provided with a super-permeable film 13; the whiteboard base paper at least sequentially comprises a bottom layer 111, a core layer 112, a lining layer 113 and a surface layer 114; the pigment coating layer 11 is located on the upper surface of the surface layer 114; the surface layer 114 contains calcium carbonate as an inorganic pigment and the surface layer 114 contains calcium carbonate in an amount of 2 to 15% based on the pulp amount of the surface layer 114; the pigment coating layer 11 contains an inorganic pigment, and the calcium carbonate contained in the surface layer 114 is light calcium carbonate having a BET specific surface area of 6m2/g to 10m 2/g.
Specifically, the liner layer 113 and the bottom layer 111 contain waste pulp having a lower whiteness than pulp contained in the top layer 111, and the core layer 112 contains waste pulp having a lower whiteness than pulp contained in the liner layer 113 and the bottom layer 111; in addition, the permeation diameter of the semipermeable membrane 13 is 0.01um to 0.025 um. In this embodiment, the surface layer 114 contains calcium carbonate as an inorganic pigment and the amount of the calcium carbonate contained in the surface layer 114 is 2 to 15% of the pulp amount of the surface layer 114; meanwhile, the permeation diameter of the ultra-permeable membrane 13 is ensured to be 0.01um-0.025 um; the transmittance of the surface layer 114 can be increased, and the glossiness of the coated paper can be improved.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. The novel ultra-permeable coated paper is characterized by comprising white board base paper; the upper surface of the white board base paper (11) is coated with a pigment coating layer (12); the upper surface of the pigment coating layer (12) is provided with a super-permeable film (12);
the white board base paper at least sequentially comprises a bottom layer (111), a core layer (112), a lining layer (113) and a surface layer (114); the pigment coating layer (11) is positioned on the upper surface of the surface layer (114);
the surface layer (114) contains calcium carbonate as an inorganic pigment, and the surface layer (114) contains calcium carbonate with a pulp amount of 2-15% relative to the surface layer (114);
the pigment coating layer (11) contains an inorganic pigment.
2. A novel ultra-permeable coated paper according to claim 1, wherein the inorganic pigment in the pigment coating layer (11) comprises needle-shaped light calcium carbonate and columnar light calcium carbonate.
3. A novel ultra-permeable coated paper according to claim 2, wherein the inorganic pigment of the pigment coating layer (11) has a particle size of 0.3 to 0.75 μm at 60 vol.% of the particle size distribution curve obtained by laser diffraction.
4. A novel ultra-permeable coated paper according to claim 3, wherein the ratio of 90 vol.% to 10 vol.% of the particle size distribution curve obtained by laser diffraction of the inorganic pigment in the pigment coating layer (11) is less than 6.
5. A novel ultra-permeable coated paper according to claim 1 or 4, characterized in that the calcium carbonate contained in the surface layer (114) has a BET specific surface area of 6m2/g-10m2Light calcium carbonate per gram.
6. A new type of ultra-permeable coated paperboard according to claim 5, characterized in that the liner layer (113) and the bottom layer (111) contain waste pulp of lower whiteness than the pulp contained in the top layer (111), and the core layer (112) contains waste pulp of lower whiteness than the pulp contained in the liner layer (113) and the bottom layer (111).
7. A new type of ultra-permeable coated paper according to claim 1 or 6, characterized in that the permeable membrane (12) has a diameter of 0.01-0.025 um.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011604387.3A CN112681004A (en) | 2020-12-30 | 2020-12-30 | Novel super-permeability coated paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011604387.3A CN112681004A (en) | 2020-12-30 | 2020-12-30 | Novel super-permeability coated paper |
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| CN112681004A true CN112681004A (en) | 2021-04-20 |
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| CN202011604387.3A Pending CN112681004A (en) | 2020-12-30 | 2020-12-30 | Novel super-permeability coated paper |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103074803A (en) * | 2011-10-25 | 2013-05-01 | 王子控股株式会社 | Matt coated paper for printing |
| CN103184710A (en) * | 2011-12-27 | 2013-07-03 | 王子控股株式会社 | White board paper used for coating |
| CN103572666A (en) * | 2012-07-20 | 2014-02-12 | 北越纪州制纸株式会社 | Coated white paperboard |
| CN107268337A (en) * | 2017-07-09 | 2017-10-20 | 云南中烟工业有限责任公司 | A kind of high light-transmitting fiber glass surface paper and preparation method thereof |
| US20180186652A1 (en) * | 2015-06-30 | 2018-07-05 | Imerys Minerals Limited | Mineral compositions |
| CN110799334A (en) * | 2017-06-29 | 2020-02-14 | 百乐墨水株式会社 | Lustrous color-changing body |
-
2020
- 2020-12-30 CN CN202011604387.3A patent/CN112681004A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103074803A (en) * | 2011-10-25 | 2013-05-01 | 王子控股株式会社 | Matt coated paper for printing |
| CN103184710A (en) * | 2011-12-27 | 2013-07-03 | 王子控股株式会社 | White board paper used for coating |
| CN103572666A (en) * | 2012-07-20 | 2014-02-12 | 北越纪州制纸株式会社 | Coated white paperboard |
| CN105951531A (en) * | 2012-07-20 | 2016-09-21 | 北越纪州制纸株式会社 | Coated white board paper |
| US20180186652A1 (en) * | 2015-06-30 | 2018-07-05 | Imerys Minerals Limited | Mineral compositions |
| CN110799334A (en) * | 2017-06-29 | 2020-02-14 | 百乐墨水株式会社 | Lustrous color-changing body |
| CN107268337A (en) * | 2017-07-09 | 2017-10-20 | 云南中烟工业有限责任公司 | A kind of high light-transmitting fiber glass surface paper and preparation method thereof |
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Application publication date: 20210420 |