CN115029953A - White board paper top-coating paint and production process thereof - Google Patents
White board paper top-coating paint and production process thereof Download PDFInfo
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- CN115029953A CN115029953A CN202210691926.4A CN202210691926A CN115029953A CN 115029953 A CN115029953 A CN 115029953A CN 202210691926 A CN202210691926 A CN 202210691926A CN 115029953 A CN115029953 A CN 115029953A
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Classifications
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/38—Coatings with pigments characterised by the pigments
- D21H19/40—Coatings with pigments characterised by the pigments siliceous, e.g. clays
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/38—Coatings with pigments characterised by the pigments
- D21H19/385—Oxides, hydroxides or carbonates
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
- D21H19/56—Macromolecular organic compounds or oligomers thereof obtained by reactions only involving carbon-to-carbon unsaturated bonds
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
- D21H19/56—Macromolecular organic compounds or oligomers thereof obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H19/58—Polymers or oligomers of diolefins, aromatic vinyl monomers or unsaturated acids or derivatives thereof
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
- D21H19/64—Inorganic compounds
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/28—Colorants ; Pigments or opacifying agents
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Paper (AREA)
Abstract
The invention discloses a white board paper surface coating and a production process thereof. The white board paper surface coating comprises the following components in parts by weight: 4750-4760 parts of calcium carbonate; 590 to 600 portions of porcelain clay; 695-810 parts of styrene-butadiene latex; 46-50 parts of VEA latex; 1-2 parts of a foam inhibitor; 7-9 parts of a dispersing agent; 19-22 parts of a lubricant; 22-25 parts of a water-resistant agent; 4-5 parts of blue dye; 17-19 parts of purple dye; 17-19 parts of a rheological agent; 11-12 parts of caustic soda; 50-100 parts of water. The white board paper top-coating paint provided by the invention is simple to produce, improves the performances such as viscosity, solid content and water retention property on the premise of controlling the production cost, and meets the increasingly higher requirements of the paper-making field on the white board paper bottom-coating paint.
Description
Technical Field
The invention relates to the technical field of papermaking, in particular to a white board paper surface coating and a production process thereof.
Background
The coated white board is a processed board which is made by coating white paint on an original board and then finishing, and is mainly used for making a packing box after single-sided color printing. The coated white board paper has the main performance characteristics of higher whiteness of the coated surface, better smoothness, ink absorbability and printing glossiness, and better stiffness and folding resistance of the paper board, so that the coated white board paper can carry out high-quality color offset printing and gravure printing, can meet the requirement of packaging, and is a high-quality material for manufacturing middle-high grade commodity packaging boxes. However, the quality of coated white board is increasingly demanded, and the optimization of white board coating is more and more important. Therefore, a new technical scheme is needed to be provided, and the white board paper base coating paint is further optimized under the condition of controlling the production cost, so that the viscosity, the solid content, the water retention property and other properties of the white board paper base coating paint are improved.
It is seen that improvements and enhancements in the prior art are needed.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide a white board paper surface coating and a production process thereof, and aims to solve the technical problem that the performance of the white board paper surface coating in the prior art needs to be further improved.
In order to achieve the purpose, the invention adopts the following technical scheme:
the white board paper top coating is characterized by comprising the following components in parts by weight:
preferably, the white board paper top-coating paint comprises the following components in parts by weight:
preferably, in the white board paper top-coating paint, the particles with the particle size not more than 2 microns in the calcium carbonate account for 90-95% of the total mass of the calcium carbonate.
Preferably, in the white board paper top-coat paint, the solid content of calcium carbonate is 76%, the solid content of china clay is 68%, the solid content of styrene-butadiene latex is 50%, the solid content of VEA latex is 55%, and the solid content of caustic soda is 32%.
The invention correspondingly provides a production process of the white board paper surface coating, which comprises the following main steps:
(1) preparing the components in parts by weight;
(2) adding the calcium carbonate prepared in the step (1) into stirring equipment, and firstly stirring at a low speed and then stirring at a high speed;
(3) adding the foam inhibitor, the porcelain clay, the dispersing agent and the clear water prepared in the step (1) into stirring equipment in sequence, and stirring at a high speed and then stirring at a low speed;
(4) sequentially adding the water repellent agent, the lubricant, the caustic soda, the VEA latex and the rheological agent prepared in the step (1) into stirring equipment for low-speed stirring;
(5) stopping stirring, and sampling and testing;
(6) starting a stirrer to stir at a low speed, sequentially adding the blue dye and the purple dye, stirring at the low speed for a period of time, and stopping stirring.
Preferably, in the production process of the white board paper top-coating paint, the low speed is 800 revolutions per minute, and the high speed is 1200 revolutions per minute.
Preferably, in the production process of the white board paper top-coat paint, in the step (2), the stirring is performed at a low speed for 1 minute and then at a high speed.
Preferably, in the production process of the white board paper top-coating paint, in the step (3), the high-speed stirring is switched to the low-speed stirring for 10 minutes.
Preferably, in the production process of the white board paper top-coating paint, in the step (4), the stirring is carried out at a low speed for 40 minutes.
Preferably, in the production process of the white board paper top-coating paint, in the step (6), the stirring is carried out at a low speed for 5 minutes.
Has the beneficial effects that: compared with the prior art, the white board paper top-coating paint provided by the invention is simple to produce, improves the performances such as viscosity, solid content and water retention property on the premise of controlling the production cost, and meets the increasingly-increased requirements of the papermaking field on the white board paper bottom-coating paint.
Detailed Description
The invention provides a white board paper surface coating and a production process thereof, and the invention is further described in detail below in order to make the purpose, technical scheme and effect of the invention clearer and clearer. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
The invention provides a white board paper surface coating which comprises the following components in parts by weight:
preferably, the white board paper top-coating paint comprises the following components in parts by weight:
preferably, in the calcium carbonate, particles with the particle size of not more than 2 microns account for 90-95% of the total mass of the calcium carbonate.
Preferably, the solid content of the calcium carbonate is 76%, the solid content of the china clay is 68%, the solid content of the styrene-butadiene latex is 50%, the solid content of the VEA latex is 55%, the solid content of the caustic soda is 32%, the solid content of the dispersing agent is 42%, the solid content of the lubricating agent is 20%, the solid content of the water-resisting agent is 50%, the solid content of the blue dye is 1%, the solid content of the purple dye is 2%, the solid content of the rheological agent is 20%, and the solid content of the foam inhibitor is 100%.
The invention correspondingly provides a production process of the white board paper surface coating paint, which comprises the following main steps:
(1) preparing the components in parts by weight;
(2) adding the calcium carbonate prepared in the step (1) into stirring equipment, and firstly stirring at a low speed and then stirring at a high speed;
(3) adding the foam inhibitor, the porcelain clay, the dispersing agent and the clear water prepared in the step (1) into stirring equipment in sequence, and stirring at a high speed and then stirring at a low speed;
(4) sequentially adding the water repellent agent, the lubricant, the caustic soda, the VEA latex and the rheological agent prepared in the step (1) into stirring equipment for low-speed stirring;
(5) stopping stirring, and sampling and testing;
(6) and starting a stirrer to stir at a low speed, sequentially adding the blue dye and the purple dye, and stopping stirring after stirring at the low speed for a period of time.
Optionally, the low speed is 800 revolutions per minute and the high speed is 1200 revolutions per minute.
Preferably, in the step (2), the stirring speed is changed to high speed after the stirring speed is low for 1 minute.
Preferably, in the step (3), the stirring at high speed is switched to the stirring at low speed for 10 minutes.
Preferably, in the step (4), the stirring is carried out for 40 minutes at a low speed.
Preferably, in the step (6), the stirring is carried out at a low speed for 5 minutes.
In practical application, the step (6) may further include a step (7) of starting the stirring device, adding the thickener for stirring, and then stopping stirring. Since step 7 is adjusted according to actual production requirements, it is not limited herein.
The type of the stirring device is not particularly limited in this application, and as a preferred example, the stirring device has a volume of 4.5 cubic meters and a corresponding stirring motor with a power of 120 kw.
The above agents such as suds suppressors, dispersants, thickeners, water repellents, lubricants, rheology agents, blue dyes (or "blue dyes") and violet dyes (or "violet dyes") used in the papermaking field are per se known in the art and are not specifically limited herein.
The present invention is further illustrated by the following examples. In the following examples: the calcium carbonate particles having a particle size of not greater than 2 microns (i.e., a particle size of 2 microns or less) account for 95% of the total mass of the calcium carbonate; the solid content of the calcium carbonate is 76%, the solid content of the china clay is 68%, the solid content of the styrene-butadiene latex is 50%, the solid content of the VEA latex is 55%, the solid content of the caustic soda is 32%, the solid content of the dispersing agent is 42%, the solid content of the lubricating agent is 20%, the solid content of the water repellent agent is 50%, the solid content of the blue dye is 1%, the solid content of the purple dye is 2%, the solid content of the rheological agent is 20%, and the solid content of the foam inhibitor is 100%.
Example 1
(1) Preparing the following components in parts by weight:
(2) adding the calcium carbonate prepared in the step (1) into stirring equipment, firstly stirring at a low speed for 1 minute, and then stirring at a high speed;
(3) sequentially adding the foam inhibitor, the porcelain clay, the dispersing agent and the clear water prepared in the step (1) into stirring equipment, and stirring at a high speed for 10 minutes and then stirring at a low speed;
(4) sequentially adding the water repellent agent, the lubricant, the caustic soda, the VEA latex and the rheological agent prepared in the step (1) into stirring equipment to stir at a low speed for 40 minutes;
(5) stopping stirring, and sampling and testing;
(6) starting a stirrer to stir at a low speed, sequentially adding the blue dye and the purple dye, stirring at the low speed for 5 minutes, and stopping stirring.
Example 2
(1) Preparing the following components in parts by weight:
(2) adding the calcium carbonate prepared in the step (1) into stirring equipment, firstly stirring at a low speed for 1 minute, and then stirring at a high speed;
(3) sequentially adding the foam inhibitor, the porcelain clay, the dispersing agent and the clear water prepared in the step (1) into stirring equipment, and stirring at a high speed for 10 minutes and then stirring at a low speed;
(4) sequentially adding the water repellent agent, the lubricant, the caustic soda, the VEA latex and the rheological agent prepared in the step (1) into stirring equipment to stir at a low speed for 40 minutes;
(5) stopping stirring, and sampling and testing;
(6) starting a stirrer to stir at a low speed, sequentially adding the blue dye and the purple dye, stirring at the low speed for 5 minutes, and stopping stirring.
Example 3
(1) Preparing the following components in parts by weight:
(2) adding the calcium carbonate prepared in the step (1) into stirring equipment, firstly stirring at a low speed for 1 minute, and then stirring at a high speed;
(3) sequentially adding the foam inhibitor, the porcelain clay, the dispersing agent and the clear water prepared in the step (1) into stirring equipment, and stirring at a high speed for 10 minutes and then stirring at a low speed;
(4) sequentially adding the water repellent agent, the lubricant, the caustic soda, the VEA latex and the rheological agent prepared in the step (1) into stirring equipment to stir at a low speed for 40 minutes;
(5) stopping stirring, and sampling and testing;
(6) starting a stirrer to stir at a low speed, sequentially adding the blue dye and the purple dye, stirring at the low speed for 5 minutes, and stopping stirring.
Example 4
(1) Preparing the following components in parts by weight:
(2) adding the calcium carbonate prepared in the step (1) into stirring equipment, firstly stirring at a low speed for 1 minute, and then stirring at a high speed;
(3) sequentially adding the foam inhibitor, the porcelain clay, the dispersing agent and the clear water prepared in the step (1) into stirring equipment, and stirring at a high speed for 10 minutes and then stirring at a low speed;
(4) sequentially adding the water repellent agent, the lubricant, the caustic soda, the VEA latex and the rheological agent prepared in the step (1) into stirring equipment to stir at a low speed for 40 minutes;
(5) stopping stirring, and sampling and testing;
(6) starting a stirrer to stir at a low speed, sequentially adding the blue dye and the purple dye, stirring at the low speed for 5 minutes, and stopping stirring.
The coatings prepared in examples 1 to 4 were tested, respectively, and the results were as follows:
| test items | Viscosity (cps) | Solid content (%) | pH value | Water Retention (g/m) 2 ) |
| Example 1 | 670 | 67 | 8.6 | 280 |
| Example 2 | 675 | 68 | 8.8 | 275 |
| Example 3 | 678 | 66 | 8.7 | 278 |
| Example 4 | 672 | 67 | 8.8 | 282 |
The white board paper base coating provided by the invention has stable viscosity and solid content in tests, and the water retention performance of the coating is greatly improved. In practical use, the coating amount of the paper surface is relatively stable, and the coating strength is improved, so that the white board paper has certain help for improving the paper surface appearance, the paper folding strength, the paper falling prevention performance and other paper performances of the white board paper. In the invention, the styrene-butadiene latex has the advantages of latex stability, small influence on the viscosity of the coating, high solid content, good fluidity and the like, and has good compatibility with other components in the coating; good film forming property and higher smoothness and glossiness.
Through the analysis, compared with the prior art, the white board paper surface coating provided by the invention is simple to produce, improves the performances such as viscosity, solid content and water retention property on the premise of controlling the production cost, and meets the increasingly higher requirements of the paper-making field on the white board paper base coating.
It should be understood that equivalents and modifications to the disclosed embodiments and inventive concepts may occur to persons skilled in the art, and all such modifications and/or alterations are intended to fall within the scope of the present invention.
Claims (10)
1. The white board paper top coating is characterized by comprising the following components in parts by weight:
2. the white board paper top-coating paint according to claim 1, characterized by comprising the following components in parts by weight:
3. the white board paper top-coating according to claim 1, characterized in that, in the calcium carbonate, particles with a particle size of not more than 2 μm account for 90-95% of the total mass of the calcium carbonate.
4. The white board paper top-coating according to claim 1, wherein the calcium carbonate has a solid content of 76%, the china clay has a solid content of 68%, the styrene-butadiene latex has a solid content of 50%, the VEA latex has a solid content of 55%, and the caustic soda has a solid content of 32%.
5. A process for the production of the white board paper top-coating paint according to claim 1, characterized by comprising the following steps:
(1) preparing the components in parts by weight;
(2) adding the calcium carbonate prepared in the step (1) into stirring equipment, and firstly stirring at a low speed and then stirring at a high speed;
(3) adding the foam inhibitor, the porcelain clay, the dispersing agent and the clear water prepared in the step (1) into a stirring device in sequence, and stirring at a high speed and then stirring at a low speed;
(4) sequentially adding the water repellent agent, the lubricant, the caustic soda, the VEA latex and the rheological agent prepared in the step (1) into stirring equipment for low-speed stirring;
(5) stopping stirring, and sampling and testing;
(6) and starting a stirrer to stir at a low speed, sequentially adding the blue dye and the purple dye, and stopping stirring after stirring at the low speed for a period of time.
6. The process for producing a white board paper top-coating paint according to claim 5, characterized in that the low speed is 800 revolutions/min and the high speed is 1200 revolutions/min.
7. The process for producing the white board paper topcoat coating according to claim 6, wherein in the step (2), the stirring speed is changed to the high-speed stirring after the low-speed stirring is carried out for 1 minute.
8. The process for producing a white board paper top-coating paint according to claim 6, wherein in the step (3), the high-speed stirring is switched to the low-speed stirring for 10 minutes.
9. The process for producing a white board paper top-coating paint according to claim 6, characterized in that in the step (4), the stirring is carried out at a low speed for 40 minutes.
10. The process for producing a white board paper top-coating paint according to claim 6, characterized in that in the step (6), the stirring is carried out at a low speed for 5 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210691926.4A CN115029953A (en) | 2022-06-17 | 2022-06-17 | White board paper top-coating paint and production process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210691926.4A CN115029953A (en) | 2022-06-17 | 2022-06-17 | White board paper top-coating paint and production process thereof |
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| Publication Number | Publication Date |
|---|---|
| CN115029953A true CN115029953A (en) | 2022-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210691926.4A Pending CN115029953A (en) | 2022-06-17 | 2022-06-17 | White board paper top-coating paint and production process thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999063157A1 (en) * | 1998-06-02 | 1999-12-09 | The Mead Corporation | Printing paper |
| CN101586318A (en) * | 2009-07-07 | 2009-11-25 | 昌乐世纪阳光纸业有限公司 | Coated white-top kraft liner board and manufacturing method thereof |
| CN104532671A (en) * | 2015-01-04 | 2015-04-22 | 宁波中华纸业有限公司 | Water-based paint for skin packing paper boards and coating method for skin packing paper boards |
| CN107829331A (en) * | 2017-11-01 | 2018-03-23 | 海南金海浆纸业有限公司 | A kind of high smoothness two-sided art paper and preparation method thereof |
| CN111778771A (en) * | 2020-02-28 | 2020-10-16 | 东莞建晖纸业有限公司 | Normal production conversion process without changing paper surface color |
| CN114277607A (en) * | 2021-12-27 | 2022-04-05 | 湛江晨鸣浆纸有限公司 | Coated white cardboard and production process thereof |
-
2022
- 2022-06-17 CN CN202210691926.4A patent/CN115029953A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999063157A1 (en) * | 1998-06-02 | 1999-12-09 | The Mead Corporation | Printing paper |
| CN101586318A (en) * | 2009-07-07 | 2009-11-25 | 昌乐世纪阳光纸业有限公司 | Coated white-top kraft liner board and manufacturing method thereof |
| CN104532671A (en) * | 2015-01-04 | 2015-04-22 | 宁波中华纸业有限公司 | Water-based paint for skin packing paper boards and coating method for skin packing paper boards |
| CN107829331A (en) * | 2017-11-01 | 2018-03-23 | 海南金海浆纸业有限公司 | A kind of high smoothness two-sided art paper and preparation method thereof |
| CN111778771A (en) * | 2020-02-28 | 2020-10-16 | 东莞建晖纸业有限公司 | Normal production conversion process without changing paper surface color |
| CN114277607A (en) * | 2021-12-27 | 2022-04-05 | 湛江晨鸣浆纸有限公司 | Coated white cardboard and production process thereof |
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