CN112523004A - Method for manufacturing colorful touch pearlescent paper - Google Patents
Method for manufacturing colorful touch pearlescent paper Download PDFInfo
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- CN112523004A CN112523004A CN202011492507.5A CN202011492507A CN112523004A CN 112523004 A CN112523004 A CN 112523004A CN 202011492507 A CN202011492507 A CN 202011492507A CN 112523004 A CN112523004 A CN 112523004A
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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
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/18—Paper- or board-based structures for surface covering
- D21H27/22—Structures being applied on the surface by special manufacturing processes, e.g. in presses
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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
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
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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
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
- D21H19/20—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
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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
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
- D21H19/24—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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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
-
- 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
- D21H19/80—Paper comprising more than one coating
- D21H19/82—Paper comprising more than one coating superposed
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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
- D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
- D21H25/04—Physical treatment, e.g. heating, irradiating
- D21H25/06—Physical treatment, e.g. heating, irradiating of impregnated or coated paper
Abstract
The invention discloses a method for manufacturing colorful tactile pearlescent paper, which comprises the following specific steps: coating preparation, color layer coating, pearl layer coating, first polishing, surface layer touch oil coating, back surface rinsing and second polishing. The paper produced by the invention has better surface flatness than the paper calendered by glue water in the prior art. The invention has no bubble generation during production, and the surface of the paper is flat and smooth.
Description
Technical Field
The invention relates to the technical field of papermaking, in particular to a preparation method of colorful touch pearlescent paper.
Background
The production process of the existing touch feeling pearlescent paper comprises the following steps: coating glue on the base paper, flattening the glue, coating pearl ink and then coating touch oil. The disadvantages of such a process are: 1. continuous operation cannot be realized because pearlescence and touch are added after glue is applied to the surface of the glass sheet by sheet and the glass sheet is flattened by sheet; 2. because the permeability is not strong due to the characteristics of the glue, because the surface of the paper is uneven and has a plurality of pores, when the surface of the paper is filled with the glue, the pores cannot be filled and leveled due to the characteristics of the glue, and bubbles are generated on the surface of the paper at the later stage to enable the flattened glue layer to generate bulges so as to influence the surface smoothness of the product; 3. the paper is produced by using the traditional process, because the glue spreading water is used in the calendering method, the produced semi-finished paper can not be sold as a product, and because the surface flatness of the paper is not enough; if the surface of the paper is required to be very flat, repeated flattening processing is needed, the production efficiency is reduced, and the flexible touch feeling of the surface of the paper is reduced by flattening the surface for multiple times. 4. The production efficiency of the tactile pearlescent paper produced by the traditional process is low.
Disclosure of Invention
The invention overcomes the defects of the prior art and provides a method for manufacturing colorful touch pearlescent paper.
In order to achieve the above object, the present invention provides a method for manufacturing a colorful tactile pearlescent paper, comprising the following specific steps: coating preparation, color layer coating, pearl layer coating, first polishing, surface layer touch oil coating, back surface rinsing and second polishing,
the coating preparation comprises the following specific steps:
step 1: preparing matte ink: adding matte powder into the color ink, setting the rotating speed of a high-speed dispersion machine to 2400-3000 r/min, and stirring for 25-30 min to obtain the matte ink;
step 2: preparing the pearlescent ink: firstly adding pearl powder into a stirring barrel container, then adding water and 95% alcohol, setting the rotating speed of a high-speed dispersion machine to 2400-3000 r/min, and stirring for 25-30 min; adding the color ink, and stirring for 25-30 minutes to obtain the pearlescent ink;
and step 3: preparation of touch oil: adding butyl acrylate, a dispersing agent, a defoaming agent, a thickening agent, styrene, a film forming agent and a flatting agent into the water-based matte polyurethane solution, stirring for 75-95 minutes at 3000 r/min in a high-speed dispersion machine 2600-; the aqueous matte polyurethane solution comprises 75wt% of aqueous matte polyurethane, 25wt% of water;
the color layer coating comprises the following steps: firstly, continuously coating two times of color layers on paper conveyed by an unreeling machine by adopting flexography with two groups of reticulate patterns of 160 meshes respectively, and then drying the paper with the formed coating for the first time by using a drying cylinder; wherein, the paper in the step is color base paper, and the adopted coating ink material is prepared matte ink; the coating pressure is between 0.3MPa and 0.5MPa, and the surface temperature of a drying cylinder for primary drying is 180-200 ℃;
the pearlescent layer coating comprises the following steps: firstly, coating a pearlescent layer on paper which is dried for the first time by adopting gravure printing with 160-mesh reticulate patterns, and then drying the paper which forms the pearlescent coating for the second time by using a drying cylinder; wherein, the coating ink adopted in the step is prepared pearl ink; the coating pressure is between 0.3MPa and 0.5 MPa; the surface temperature of the drying cylinder for the second drying is 190-210 ℃;
the first polishing comprises the following steps: firstly, cooling the paper dried for the second time by using a cooling roller, then polishing the paper dried for the second time by using a paper polishing machine for the first time, and finally drying the paper polished for the third time by using a plurality of groups of drying cylinders; wherein the polishing pressure used in the step is between 0.4MPa and 0.5 MPa; the surface temperature of the drying cylinder for the third drying is 180-200 ℃;
the top layer feel oil coating comprises the following steps: firstly, coating surface layer touch oil on paper subjected to third drying by adopting gravure printing with 140-mesh reticulate patterns, and then drying the paper with the touch oil layer for the fourth time by using a drying cylinder; wherein, in the step, the coating ink is prepared touch oil; the coating pressure is between 0.3MPa and 0.5MPa, and the surface temperature of the drying cylinder for the fourth drying is 180 ℃ and 200 ℃;
the back water passing method comprises the following steps: firstly, coating the paper subjected to fourth drying by adopting gravure printing with 160-mesh reticulate patterns, and then drying the paper for the fifth time by using a drying cylinder; wherein, the coating ink used in the step is water; the coating pressure is between 0.3MPa and 0.5MPa, and the surface temperature of a drying cylinder for the fifth drying is 180 ℃ and 200 ℃;
in the second polishing, a paper polishing machine is adopted to polish the paper dried for the fifth time, then a plurality of groups of drying cylinders are utilized to carry out sixth drying on the polished second paper, and the paper is wound and stored; wherein, the moisture content of the paper after the sixth drying is 7-9g/m2To (c) to (d); the polishing pressure used in the step is between 0.4MPa and 0.5 MPa;
the transfer speeds of the paper in the flexography, the gravure and the first and second polishing are all as follows: 30m-60 m/min.
Further, the mass ratio of the color ink to the matte powder in the step 1 is 29: 1 to 17: 1; in the step 2, the mass ratio of the pearl powder to the water to the alcohol to the color ink is 2:1:1: 16; in the step 3, the mass ratio of the water-based matte polyurethane to the butyl acrylate to the dispersant to the defoamer to the thickener to the styrene to the film-forming agent to the leveling agent to the diluent to the velvet feeling agent is 54:5:1:1:1:1.5:1:1:32: 3.5.
Further, the diluent is selected from one of water, isopropanol or alcohol with a concentration of 95%; the dispersing agent is selected from one or more of sodium dodecyl sulfate, methyl amyl alcohol, polyacrylamide and fatty acid polyglycol ester; the leveling agent is polyether modified polysiloxane; the defoaming agent is selected from one of BYK-085 and BYK-088; the thickening agent is a hydrophobic modified polyacrylate saline-alkali swelling emulsion; the film forming agent is one or two of an acrylic resin film forming agent or a nitrocellulose film forming agent.
Further, coating complementary colors are carried out on the paper after the first polishing and before the surface layer touch feeling oil is coated; the coating color complementing method comprises the following steps: firstly, coating the paper after the third drying by adopting gravure printing with the reticulate pattern of 160 meshes, then drying the paper by using a drying cylinder, and performing surface layer touch feeling oil coating on the dried paper; wherein, the coating ink material in the step is prepared matte ink; the coating pressure is between 0.3MPa and 0.5 MPa; the surface temperature of the drying cylinder in the step is 180-: 30m-60 m/min.
Further, the oven dry amount in the first polishing is smaller than the oven dry amount in the second polishing.
Further, the colors of the color ink, the pearl powder and the color base paper are consistent.
The invention has the beneficial effects that: 1. the paper produced by the invention has better surface flatness than the paper calendered by glue water in the prior art. The invention has no bubble generation during production, and the paper is printed and flattened for many times and is flattened and polished for 2 times, so the surface is very flat and smooth. 2. Compared with the traditional production process of the pearlescent tactile paper, the production efficiency is greatly improved. The traditional flat pearlescent tactility paper needs 4 persons on average, works for 10 hours per day on average, and can complete 2000 normal or large paper sheets. The equipment only needs 3 persons to produce, and can finish 30200 sheets of 33000 meters of reduced normal paper according to the production calculation of 10 hours per day.
3. The paper produced by the invention has better touch skin-friendly effect than the paper produced by the traditional process. The touch oil adopted by the invention is aqueous polyurethane emulsion, the emulsion contains velvet hand feeling agent, the skin-friendly feeling of the emulsion is extremely strong, the emulsion belongs to aqueous polymer, the water resistance is excellent, the surface of the emulsion is smooth like animal leather after drying treatment, the paper surface texture is fine and mild by matching with the second polishing treatment, and the hand feeling effect is excellent.
4. The production equipment and the process of the invention are finished products at one time, and the smell is less during production, thereby meeting the requirement of environmental protection. The traditional production process needs to repeat glue, ink coating and pearl coating for more than 2 times, the stagnation time of the intermediate process is long, the volatilization time of the paper coating after heating is long, and the paper coating does not meet the requirement of environmental protection.
5. The pearlescent tactile paper produced by the invention has stable quality. Because the finished product is finished at one time, the quality, color and hand feeling are relatively stable compared with the quality, color and hand feeling of a plurality of processing technologies, and the requirements of customers are met.
Detailed Description
The present invention will be further described with reference to the following examples for facilitating understanding of those skilled in the art, and the description of the embodiments is not intended to limit the present invention.
Red-touch pearlescent paper is taken as an example:
the invention relates to a method for manufacturing colorful tactile pearlescent paper, which comprises the following specific steps: preparing a coating, coating a color layer, coating a pearlescent layer, polishing for the first time, coating surface layer touch oil, rinsing the back surface, and polishing for the second time;
the coating preparation comprises the following specific steps:
step 1: preparing matte ink: adding matte powder into the red ink, wherein the mass ratio of the red ink to the matte powder is 25: 1, setting the rotating speed of a high-speed dispersion machine to 2500 revolutions per minute, and stirring for 30 minutes to obtain red matte ink;
step 2: preparing the pearlescent ink: adding red pearl powder into a stirring barrel container, adding water and 95% alcohol, wherein the mass ratio of the red pearl powder to the water to the alcohol to the red ink is 2:1:1: 16; setting the rotating speed of the high-speed dispersion machine to 2500 revolutions per minute, and stirring for 30 minutes; adding the red ink, and stirring for 30 minutes to obtain red pearlescent ink;
and step 3: preparation of touch oil: adding butyl acrylate, a dispersing agent, a defoaming agent, a thickening agent, styrene, a film forming agent and a flatting agent into the aqueous matte polyurethane aqueous solution, stirring for 90 minutes at 2500 revolutions per minute of a high-speed dispersion machine, then adding a diluting agent and a velvet hand feeling agent, and stirring for 90 minutes to obtain touch oil; the composition of the water-based matte polyurethane solution is 75wt% of water-based matte polyurethane and 25wt% of water; the water-based matte polyurethane, butyl acrylate, a dispersing agent, a defoaming agent, a thickening agent, styrene, a film forming agent, a flatting agent, a diluting agent and a velvet hand feeling agent are mixed according to a mass ratio of 54:5:1:1:1:1.5:1: 32: 3.5; the diluent is water; the dispersant is sodium dodecyl sulfate; the leveling agent is polyether modified polysiloxane; the defoaming agent is selected from BYK-085; the thickening agent is a hydrophobic modified polyacrylate saline-alkali swelling emulsion; the film forming agent is an acrylic resin film forming agent.
The color layer coating comprises the following steps: firstly, continuously coating two times of color layers on paper conveyed by an unreeling machine by adopting flexography with two groups of reticulate patterns of 160 meshes respectively, and then drying the paper with the formed coating for the first time by using a drying cylinder; wherein, the paper in the step is red base paper, and the adopted coating ink material is prepared matte ink; the coating pressure is 0.4MPa, and the surface temperature of a drying cylinder for primary drying is 190 ℃; the invention directly adopts the colored base paper for coating, and the color difference in production is only carried out by color compensation, thus greatly reducing the generation of defects compared with the traditional dyeing base paper and then applying pearlescent ink.
The pearlescent layer coating comprises the following steps: firstly, coating a pearlescent layer on paper which is dried for the first time by adopting gravure printing with 160-mesh reticulate patterns, and then drying the paper which forms the pearlescent coating for the second time by using a drying cylinder; wherein, the coating ink adopted in the step is prepared pearl ink; the coating pressure is between 0.3 MPa; the surface temperature of the drying cylinder for the second drying is 200 ℃;
in the first polishing step, a paper polishing machine is adopted to perform first polishing on the paper which is dried for the second time, and then a plurality of groups of drying cylinders are utilized to perform third drying on the paper which is polished for the first time; wherein the polishing pressure used in this step is between 0.45 MPa; the surface temperature of the drying cylinder for the third drying is 190 ℃;
the top layer feel oil coating comprises the following steps: firstly, coating surface layer touch oil on paper subjected to third drying by adopting gravure printing with 140-mesh reticulate patterns, and then drying the paper with the touch oil layer for the fourth time by using a drying cylinder; wherein, in the step, the coating ink is prepared touch oil; the coating pressure is between 0.5MPa, and the surface temperature of a drying cylinder for the fourth drying is 190 ℃;
the back water passing method comprises the following steps: firstly, coating the paper subjected to fourth drying by adopting gravure printing with 160-mesh reticulate patterns, and then drying the paper for the fifth time by using a drying cylinder; wherein, the coating ink used in the step is water; the coating pressure is between 0.4MPa, and the surface temperature of a drying cylinder for the fifth drying is 190 ℃; the back side water passing step is arranged to prevent the paper from curling.
In the second polishing, a paper polishing machine is adopted to polish the paper dried for the fifth time, then a plurality of groups of drying cylinders are utilized to carry out sixth drying on the polished second paper, and the paper is wound and stored; wherein, the moisture content of the paper after the sixth drying is controlled to be 7-9g/m by controlling the number of the opened drying cylinders2To (c) to (d); the polishing pressure used in this step was 0.4 MPa;
the transfer speeds of the paper in the flexography, the gravure and the first and second polishing are all as follows: 50 m/min.
When the color of the paper coated with the pearlescent layer is different from the color of a required product, performing coating color complementing on the paper after the first polishing and before the surface layer touch feeling oil is coated; the coating color complementing method comprises the following steps: firstly, coating the paper after the third drying by adopting gravure printing with the reticulate pattern of 160 meshes, then drying the paper by using a drying cylinder, and performing surface layer touch feeling oil coating on the dried paper; wherein, the coating ink material in the step is prepared matte ink; the coating pressure is 0.4 MPa; in the step, the surface temperature of the drying cylinder is 190 ℃, and the conveying speed of the paper is as follows: 50 m/min.
The working process is as follows: when the paper is subjected to color coating by an unreeling device, the surface of the base paper is uneven and loose, matte ink coating is performed on the surface of the paper by flexography, auxiliary coloring and primary uneven filling treatment are performed on the paper, and thus 80% of the uneven parts of the surface of the paper are filled after the color coating is completed.
When the paper is coated with the pearlescent layer, the adopted pearlescent ink material and the ink material coated with the color layer have strong adaptability, abnormal phenomena such as plate sticking, plate pasting and the like cannot occur, the pearlescent powder is implanted into fiber gaps on the surface of the paper, and the paper is uniform and fine and smooth, and simultaneously the residual 20 percent of uneven parts on the surface of the paper are filled and leveled.
The adhesion of the pearlescent ink is further enhanced after the paper is dried by a drying cylinder, cooling treatment is carried out before the paper enters polishing, the flexibility of the paper is further enhanced due to hot and cold changes, and simultaneously, a large amount of bubbles are prevented from being generated during polishing to influence the quality of the subsequent process.
The flatness of the paper after the first polishing reaches about 97%, and when the color of the paper is still different from the actual requirement, the paper is subjected to color complementing treatment by a coating color complementing step, so that the color requirement required by a customer can be met;
the paper is further coated with surface layer touch oil, so that the surface of the paper is enhanced with skin-friendly touch and silk touch.
And then, carrying out back water passing treatment on the paper to prevent the paper from curling due to different front and back humidity during heating, so that the paper is smooth. Finally, the required colorful touch pearl paper with smooth surface and strong flexibility can be obtained after the second polishing treatment.
The above-described embodiments are preferred implementations of the present invention, and the present invention may be implemented in other ways without departing from the spirit of the present invention.
Claims (6)
1. A method for manufacturing colorful tactile pearlescent paper comprises the following specific steps: the method comprises the following steps of coating preparation, color layer coating, pearl layer coating, first polishing, surface layer touch oil coating, back surface water passing and second polishing, and is characterized in that:
the coating preparation comprises the following specific steps:
step 1: preparing matte ink: adding matte powder into the color ink, setting the rotating speed of a high-speed dispersion machine to 2400-3000 r/min, and stirring for 25-30 min to obtain the matte ink;
step 2: preparing the pearlescent ink: firstly adding pearl powder into a stirring barrel container, then adding water and 95% alcohol, setting the rotating speed of a high-speed dispersion machine to 2400-3000 r/min, and stirring for 25-30 min; adding the color ink, and stirring for 25-30 minutes to obtain the pearlescent ink;
and step 3: preparation of touch oil: adding butyl acrylate, a dispersing agent, a defoaming agent, a thickening agent, styrene, a film forming agent and a flatting agent into the water-based matte polyurethane solution, stirring for 75-95 minutes at 3000 r/min in a high-speed dispersion machine 2600-; the aqueous matte polyurethane solution comprises 75wt% of aqueous matte polyurethane and 25wt% of water;
the color layer coating comprises the following steps: firstly, continuously coating two times of color layers on paper conveyed by an unreeling machine by adopting flexography with two groups of reticulate patterns of 160 meshes respectively, and then drying the paper with the formed coating for the first time by using a drying cylinder; wherein, the paper in the step is color base paper, and the adopted coating ink material is prepared matte ink; the coating pressure is between 0.3MPa and 0.5MPa, and the surface temperature of a drying cylinder for primary drying is 180-200 ℃;
the pearlescent layer coating comprises the following steps: firstly, coating a pearlescent layer on paper which is dried for the first time by adopting gravure printing with 160-mesh reticulate patterns, and then drying the paper which forms the pearlescent coating for the second time by using a drying cylinder; wherein, the coating ink adopted in the step is prepared pearl ink; the coating pressure is between 0.3MPa and 0.5 MPa; the surface temperature of the drying cylinder for the second drying is 190-210 ℃;
the first polishing comprises the following steps: firstly, cooling the paper dried for the second time by using a cooling roller, then polishing the paper dried for the second time by using a paper polishing machine for the first time, and finally drying the paper polished for the third time by using a plurality of groups of drying cylinders; wherein the polishing pressure used in the step is between 0.4MPa and 0.5 MPa; the surface temperature of the drying cylinder for the third drying is 180-200 ℃;
the top layer feel oil coating comprises the following steps: firstly, coating surface layer touch oil on paper subjected to third drying by adopting gravure printing with 140-mesh reticulate patterns, and then drying the paper with the touch oil layer for the fourth time by using a drying cylinder; wherein, in the step, the coating ink is prepared touch oil; the coating pressure is between 0.3MPa and 0.5MPa, and the surface temperature of the drying cylinder for the fourth drying is 180 ℃ and 200 ℃;
the back water passing method comprises the following steps: firstly, coating the paper subjected to fourth drying by adopting gravure printing with 160-mesh reticulate patterns, and then drying the paper for the fifth time by using a drying cylinder; wherein, the coating ink used in the step is water; the coating pressure is between 0.3MPa and 0.5MPa, and the surface temperature of a drying cylinder for the fifth drying is 180 ℃ and 200 ℃;
in the second polishing, a paper polishing machine is adopted to polish the paper dried for the fifth time, then a plurality of groups of drying cylinders are utilized to carry out sixth drying on the polished second paper, and the paper is wound and stored; wherein, the moisture content of the paper after the sixth drying is 7-9g/m2To (c) to (d); the polishing pressure used in the step is between 0.4MPa and 0.5 MPa;
the transfer speeds of the paper in the flexography, the gravure and the first and second polishing are all as follows: 30m-60 m/min.
2. The method of manufacturing a color tactile pearlescent paper according to claim 1, wherein: the mass ratio of the color ink to the matte powder in the step 1 is 29: 1 to 17: 1; in the step 2, the mass ratio of the pearl powder to the water to the alcohol to the color ink is 2:1:1: 16; in the step 3, the mass ratio of the water-based matte polyurethane to the butyl acrylate to the dispersant to the defoamer to the thickener to the styrene to the film-forming agent to the leveling agent to the diluent to the velvet feeling agent is 54:5:1:1:1:1.5:1:1:32: 3.5.
3. The method of manufacturing a color tactile pearlescent paper according to claim 1, wherein: the diluent is selected from one of water, isopropanol or alcohol with the concentration of 95%; the dispersing agent is selected from one or more of sodium dodecyl sulfate, methyl amyl alcohol, polyacrylamide and fatty acid polyglycol ester; the leveling agent is polyether modified polysiloxane; the defoaming agent is selected from one of BYK-085 and BYK-088; the thickening agent is a hydrophobic modified polyacrylate saline-alkali swelling emulsion; the film forming agent is one or two of an acrylic resin film forming agent or a nitrocellulose film forming agent.
4. The method of manufacturing a color tactile pearlescent paper according to claim 1, wherein: coating a complementary color to the paper after the first polishing and before the top layer touch oil coating; the coating color complementing method comprises the following steps: firstly, coating the paper after the third drying by adopting gravure printing with the reticulate pattern of 160 meshes, then drying the paper by using a drying cylinder, and performing surface layer touch feeling oil coating on the dried paper; wherein, the coating ink material in the step is prepared matte ink; the coating pressure is between 0.3MPa and 0.5 MPa; the surface temperature of the drying cylinder in the step is 180-: 30m-60 m/min.
5. The method of manufacturing a color tactile pearlescent paper according to claim 1, wherein: the drying amount in the first polishing is smaller than that in the second polishing.
6. The method of manufacturing a color tactile pearlescent paper according to claim 1, wherein: the colors of the color ink, the pearl powder and the color base paper are consistent.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113442640A (en) * | 2021-08-04 | 2021-09-28 | 深圳华美金属材料科技有限公司 | Skin-feel coating plate with multicolor effect and preparation method thereof |
| CN114318941A (en) * | 2022-01-05 | 2022-04-12 | 上海欣旺优能材料股份有限公司 | Water-based precoating liquid for improving adhesive force of printing ink and processing technology thereof |
| CN116163159A (en) * | 2023-04-03 | 2023-05-26 | 湖南和锐镭射科技有限公司 | Touch frame paper for cigarettes and method for manufacturing same |
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| CN116163159A (en) * | 2023-04-03 | 2023-05-26 | 湖南和锐镭射科技有限公司 | Touch frame paper for cigarettes and method for manufacturing same |
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