CN113652890B - Mark pen double-sided drawing paper for drawing by using mark pen and manufacturing method - Google Patents

Mark pen double-sided drawing paper for drawing by using mark pen and manufacturing method Download PDF

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Publication number
CN113652890B
CN113652890B CN202110756509.9A CN202110756509A CN113652890B CN 113652890 B CN113652890 B CN 113652890B CN 202110756509 A CN202110756509 A CN 202110756509A CN 113652890 B CN113652890 B CN 113652890B
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paper
coating
layer
double
water
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CN113652890A (en
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周大仕
杨雷
初明繁
于彦凤
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Shandong Kaili Special Paper Co ltd
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Shandong Kaili Special Paper Co ltd
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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
    • D21H27/30—Multi-ply
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B29/00—Layered products comprising a layer of paper or cardboard
    • B32B29/002—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B29/005—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material next to another layer of paper or cardboard layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
    • 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
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22—Addition to the formed paper
    • D21H23/52—Addition to the formed paper by contacting paper with a device carrying the material
    • 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

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Paper (AREA)

Abstract

The invention relates to the technical field of paper for drawing, in particular to paper for double-sided drawing of a mark pen for drawing by the mark pen and a manufacturing method thereof, the double-sided drawing paper comprises an upper raw paper layer, a lower raw paper layer and a middle impervious and light-blocking coating layer, the coating layer is a coating liquid formed by mixing water-based acrylic resin, black color paste pigment and resin cross-linking agent, the coating layer is formed by the coating liquid with the coating weight of 8-15g/m2, the coating layer is subjected to hot melting and pressing, the upper raw paper layer and the lower raw paper layer are mutually bonded to form the paper for double-sided painting, the paper for double-sided painting of the marker pen is prepared by the manufacturing methods of production of base paper, preparation of coating liquid, coating processing and hot-pressing composite processing, has the advantages of fast ink penetration and fast ink mark drying, can not be printed on the other side of the paper, and if necessary, the other side can be painted by an oily mark pen.

Description

Mark pen double-sided drawing paper for drawing by using mark pen and manufacturing method
Technical Field
The invention relates to the technical field of paper for painting, in particular to a mark pen double-sided paper for painting, which has the advantages of quick ink penetration and ink mark drying, can not penetrate into the other side of the paper, and can use an oily mark pen to paint on the other side if necessary, and a manufacturing method thereof.
Background
As is well known, mark pen painting is widely applied to art creation of clothes design, indoor design, animation design, advertising slogan, poster drawing, environmental art painting and the like, ink types of mark pens include water-based pen ink and oil-based pen ink, a solvent of the water-based pen is water, the ink permeates slowly in paper, the mark pen is generally used by paperboard or coated paper with a good tightness, the solvent of the oil-based pen is generally alcohol, the ink permeating speed of the alcohol serving as the solvent is high, the ink is dried quickly and popular with painting authors, but the ink can permeate to the back of the paper easily to influence the painting effect, and the back cannot be used due to ink permeation, so that the painting traces on the front can be seen clearly from the back.
CN112095363A discloses a special paper for mark pen drawing, which is a layer of coating containing acrylic resin, C-benzene emulsion, wax emulsion and other additives coated on the surface of base paper, and a layer of coating with certain water resistance coated on the surface of paper, wherein the ink penetration is slow and the ink drying is slow when the paper is used. The real good mark pen drawing paper requires that ink quickly permeates and dries, and the ink cannot permeate to the back of the paper.
In order to solve the technical defects, the invention provides paper which is suitable for double-sided drawing of an oil mark pen, has quick ink penetration, can dry on the paper surface quickly, but can not penetrate into the back of the paper, and can also be used for double-sided drawing of the mark pen, and a production method thereof.
Disclosure of Invention
The invention aims to solve the defects of the prior art and provide a mark pen double-sided drawing paper which has the advantages of quick ink penetration, quick ink mark drying, no penetration to the other side of the paper and capability of drawing by using an oily mark pen if the other side is required and a manufacturing method thereof.
The technical scheme adopted by the invention for solving the technical problem is as follows:
the double-sided drawing paper for the mark pen is characterized by comprising an upper raw paper layer, a lower raw paper layer and a middle anti-permeability and light-blocking coating layer, wherein the coating layer is a coating liquid formed by mixing water-based acrylic resin, black color paste pigment and a resin cross-linking agent, and the coating liquid is 8-15g/m 2 The coating amount of the paper is used for forming a coating layer, and the coating layer is mutually adhered with the upper raw paper layer and the lower raw paper layer after hot melting and pressing to form the double-sided drawing paper.
The cross-linking agent is aziridine, and the black color paste pigment is 8501.
A method for manufacturing double-sided drawing paper of a mark pen is characterized by comprising the following steps:
(1) production of base paper: the base paper is produced by 100% wood pulp fiber raw material, the softwood pulp and the hardwood pulp are mixed and beaten, the beating degree is 36-46 O SR, sizing agent AKD and wet strength agent PAE are respectively added into pulp, a fourdrinier paper machine is adopted for production, the pulp is subjected to net feeding molding through a flow feeding system, and is subjected to net part dehydration, squeezing dehydration, drying dehydration by a drying cylinder before surface sizing, drying dehydration by a drying cylinder after surface sizing, press polishing and reeling to form the Makean drawing base paper;
(2) preparing a coating liquid: taking the water-based acrylic emulsion, the cross-linking agent, the black color paste pigment and water, wherein the glass transition temperature of the water-based acrylic emulsion is-15 to-25 ℃, adding the cross-linking agent, the black color paste pigment and the water into the water-based acrylic emulsion, and stirring to prepare a coating liquid;
(3) coating and processing: coating the paper A of the upper raw paper layer on the part of the raw paper produced in the step (1) serving as the paper A of the upper raw paper layer, and coating the surface of the paper A of the upper raw paper layer in an air knife coating or wire bar coating mode, wherein the coating weight is 8-15g/m 2 Drying by adopting a hot air oven or infrared drying mode to form paper C with an acrylic resin coating layer on one surface;
(4) hot-pressing composite processing: and (2) regarding the rest part of the base paper produced in the step (1) as paper B of a lower base paper layer, superposing one surface of the paper B and one surface of the paper C with a coating layer together through a pressing device, bonding the paper C and the paper B together through a hot pressing roller at the temperature of 180-280 ℃ and an acrylic resin coating layer under the high temperature, reducing the temperature of the bonded paper through a cooling roller to form paper D, wherein the paper D is the paper for double-sided marker painting.
In the step (1), softwood pulp accounts for 20-60% of the total oven dry pulp weight, hardwood pulp accounts for 40-80% of the total oven dry pulp weight, a sizing agent AKD accounts for 1.0-2.0% of the total oven dry pulp weight, and a wet strength agent PAE accounts for 0.8-2.5% of the total oven dry pulp weight.
In the step (2), the ratio of the cross-linking agent is 1.0-2.0% of the water-based acrylic emulsion, the ratio of the black color paste pigment 8501 is 0.08-0.3% of the water-based acrylic emulsion, and the ratio of the water is 5-10% of the water-based acrylic emulsion.
The cross-linking agent is aziridine, and the black color paste pigment is 8501.
The invention relates to a laminating device in the step (4), which comprises two paper roll releasing devices, an upper compression roller, a lower compression roller, a pressurizing device, a hot oil heating device, a cooling roller and a winding device, wherein the two paper roll releasing devices, the upper compression roller, the lower compression roller, the pressurizing device, the hot oil heating device, the cooling roller and the winding device are respectively connected with a machine body of the laminating device, the upper compression roller in the laminating device is a smooth roller with chrome-plated surface, the upper compression roller is a forged solid roller, an oil way is distributed in the upper compression roller, heated hot oil is pumped into the oil way in the upper compression roller through an oil pump to heat the upper compression roller, the hot oil circulates in the upper compression roller to raise the temperature of the upper compression roller to the temperature required by thermal compounding, the hot oil returns to the hot oil heating device after circulating in the oil way of the upper compression roller, the temperature of the upper compression roller can meet the laminating requirement, the pressure of the pressurizing device is 10-20MPa, the lower compression roller is a high-temperature-resistant hard rubber roller, the hardness of rubber roller is more than 100 degrees Shore hardness, and the chill roll switches on through the cooling water and carries the cooling, and the cooling water is normal atmospheric temperature running water, adjusts the flow control paper surface temperature of cooling water, and two are put the scroll device and are paper C roller and paper B roller respectively, the coiling mechanism be paper D roller.
A front guide roller is arranged between the paper C roller and the paper B roller and between the upper compression roller and the lower compression roller, a rear guide roller is arranged between the cooling roller and the paper D roller, and the front guide roller and the rear guide roller are respectively connected with a machine body.
By adopting the paper and the manufacturing method, the black pigment plays a role in blocking light in the middle of the paper and blocking the color of the marker pen from penetrating to the other side, the cross-linking agent aziridine enables the acrylic resin coating layer to be cross-linked, the cross-linked resin layer generates the functions of water resistance, oil resistance and solvent resistance, and the ink of the marker pen containing alcohol is blocked from penetrating to the other side of the paper, so that the effect of double-sided drawing of the oily marker pen can be realized, and the paper has the advantages of fast ink penetration, fast ink mark drying, no penetration to the other side of the paper, capability of drawing the other side by using the oily marker pen and the like if needed.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the laminating apparatus of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in the attached drawing, the double-sided drawing paper of the marker is characterized by comprising an upper raw paper layer, a lower raw paper layer and a middle anti-permeation and light-blocking coating layer, wherein the coating layer is a coating liquid formed by mixing water-based acrylic resin, black color paste pigment and a resin cross-linking agent, and the coating liquid is 8-15g/m 2 The coating amount of the paper is used for forming a coating layer, the coating layer is mutually adhered with an upper raw paper layer and a lower raw paper layer after hot melting and pressing to form double-sided drawing paper, the cross-linking agent is aziridine, and the black color paste pigment is black color paste pigment 8501, and the manufacturing method of the double-sided drawing paper comprises the following steps:
(1) production of base paper: the base paper is produced by adopting 100 percent of wood pulp fiber raw material, and the softwood pulp and the hardwood pulp are mixed and pulped, wherein the softwood pulp accounts for 20-60 percent of the total absolute dry pulp weight, the hardwood pulp accounts for 40-80 percent of the total absolute dry pulp weight, the dosage of the sizing agent AKD accounts for 1.0-2.0 percent of the total absolute dry pulp weight, the dosage of the wet strength agent PAE accounts for 0.8-2.5 percent of the total absolute dry pulp weight, and the pulping and knocking degree is 36-46 O SR, sizing agent AKD and wet strength agent PAE are respectively added into pulp, a fourdrinier paper machine is adopted for production, the pulp is subjected to net feeding molding through a flow feeding system, and is subjected to net part dehydration, squeezing dehydration, drying dehydration by a drying cylinder before surface sizing, drying dehydration by a drying cylinder after surface sizing, press polishing and reeling to form the Makean drawing base paper;
(2) preparing a coating liquid: taking water-based acrylic emulsion, a cross-linking agent, black color paste pigment and water, wherein the glass transition temperature of the water-based acrylic emulsion is-15 to-25 ℃, adding the cross-linking agent, the black color paste pigment and the water into the water-based acrylic emulsion, wherein the proportion of the cross-linking agent is 1.0 to 2.0 percent of the water-based acrylic emulsion, the proportion of the black color paste pigment 8501 is 0.08 to 0.3 percent of the water-based acrylic emulsion, the proportion of the water is 5 to 10 percent of the water-based acrylic emulsion, the cross-linking agent is aziridine, and the black color paste pigment is black color paste pigment 8501, and stirring to prepare a coating liquid;
(3) coating and processing: coating the paper A of the upper raw paper layer on the part of the raw paper produced in the step (1) serving as the paper A of the upper raw paper layer, and coating the surface of the paper A of the upper raw paper layer in an air knife coating or wire bar coating mode, wherein the coating weight is 8-15g/m 2 Drying by adopting a hot air oven or infrared drying mode to form paper C with an acrylic resin coating layer on one surface;
(4) hot-pressing composite processing: and (2) regarding the rest part of the base paper produced in the step (1) as paper B of a lower base paper layer, superposing one surface of the paper B and one surface of the paper C with a coating layer together through a laminating device, bonding the paper C and the paper B together through a hot pressing roller at 180-280 ℃ under the high temperature condition that an acrylic resin coating layer generates a melt-bonding effect, and reducing the temperature of the paper through a cooling roller to form paper D, wherein the paper D is the paper for double-sided Mark pen drawing.
The pressing equipment in the step (4) comprises two paper roll releasing devices, an upper pressing roller 4, a lower pressing roller 5, a pressurizing device 6, a hot oil heating device 7, a cooling roller 8 and a winding device, wherein the two paper roll releasing devices, the upper pressing roller 4, the lower pressing roller 5, the pressurizing device 6, the hot oil heating device 7, the cooling roller 8 and the winding device are respectively connected with a machine body of the pressing equipment, the upper pressing roller 4 in the pressing equipment is a smooth roller 4 with chrome-plated surface, the upper pressing roller 4 is a forged solid roller, oil passages are distributed in the upper pressing roller 4, heated hot oil is pumped into the oil passages in the upper pressing roller 4 through an oil pump to heat the upper pressing roller 4, the temperature of the hot oil is raised to the temperature required by thermal compounding in the internal circulation of the upper pressing roller 4, the hot oil returns to the hot oil heating device 7 after circulating in the oil passages of the upper pressing roller 4, the temperature of the upper pressing roller 4 is kept to meet the pressing requirement, and the pressure of the pressurizing device 6 is 10-20MPa, the lower pressing roll 5 is a high-temperature-resistant hard rubber roll, the hardness of the rubber roll is more than 100 degrees Shore hardness, the cooling roll is conducted through cooling water to be conveyed and cooled, the cooling water is normal-temperature tap water, the flow of the cooling water is regulated, the paper surface temperature is controlled, the two paper roll placing devices are a paper C roll 9 and a paper B roll 10 respectively, the winding device is a paper D roll 11, a front guide roll 12 is arranged between the paper C roll 9 and the paper B roll 10 and between the upper pressing roll 4 and the lower pressing roll 5, a rear guide roll 13 is arranged between the cooling roll 8 and the paper D roll 11, and the front guide roll 12 and the rear guide roll 13 are connected with the machine body respectively.
Example 1
120g/m 2 Production of double-sided drawing mark paper
（1）55g/m 2 Production of base paper: 30% of softwood pulp and 70% of hardwood pulp, and mixing and beating, wherein the beating degree is 40 +/-2O SR, the dosage of neutral sizing agent AKD is 1.4%, wet strength agent PAE is 1.6%, acrylamide retention aid is 100ppm, the production is carried out by 1760mm long-net multi-cylinder paper machine, the speed is 250m/min, the proportioned pulp passes through a drifting system, the sizing is carried out on the net, the pulp is dewatered by a net part, pressed and dewatered, dried before surface sizing, dried after surface sizing, calendered and rolled to 55g/m 2 The raw paper of the mark paper is surface-glued by adopting PVA + oxidized starch in a ratio of 3:2 (weight ratio) and the concentration of surface glue solution is 5.0 percent. 55g/m to be produced 2 The raw paper of the mark paper is equally divided into two parts, namely a part A and a part B. (wherein AKD is produced by tobacco green sources chemical company, PAE is produced by ZiboJinli chemical company, BASF chemical company, PVA is produced by Anhui vitamin group, and oxidized starch is produced by Yanzhou Xilai starch company.)
(2) Preparing a coating liquid: adding 1.2 percent (to acrylic resin stock solution) of polyfunctional aziridine crosslinking agent into 100kg of acrylic resin, fully stirring for 5 minutes, adding 0.15kg of black color paste pigment 8501, fully stirring for 10 minutes, finally adding 7.5kg of water to dilute the acrylic resin solution, and adjusting the viscosity to be 20-30S (measured by a No. 4 cup) for later use. (wherein the water-based acrylic resin is produced by Nanhai secondary honest polymer resin Co., Ltd., aziridine is produced by Shanghai exclamation chemical Co., Ltd., and the black pigment is produced by Zhongshan DIC ink Co., Ltd.),
(3) coating and processing: mixing the base paper of part ACoating with 1760mm coater, air knife coating, and hot air drying at 140 deg.C for 10g/m at 50m/min 2 . And coating one side of the paper A into paper C.
(4) Hot-pressing composite processing: and carrying out hot-press compounding on the coated surfaces of the paper B and the paper C by a hot-press compounding machine, wherein the temperature of an upper press roll 4 is 210 ℃, the temperature of cooling water is 20 ℃, the flow rate of the cooling water is 18L/min, and the speed of the machine is 15 m/min. Rewinding and slitting to finish 120 g/m 2 And (5) producing double-sided drawing mark paper.
Table 1: 120 g/m 2 Technical indexes of double-sided drawing mark paper
Figure DEST_PATH_IMAGE001
The results in the above table show that: the paper has good surface absorption performance, is suitable for oil mark pen drawing, also has good opacity, ink marks drawn on the front surface can not penetrate into the other surface of the paper, in practice, a mark pen is used for drawing a transverse line on the paper surface, the transverse line is immediately wiped by fingers, no ink mark scratch can occur, and the ink penetration speed and the ink mark drying speed are indicated.
Quantitative determination was carried out according to the method GB/T451.2 "determination of paper and paperboard quantitative".
The thickness was measured according to GB/T451.3 "determination of paper and board thickness".
Smoothness was measured according to GB/T456 "paper and paperboard smoothness determination" (Bekk method).
The surface absorbency was determined according to GB/T1540 "determination of paper and board absorbency" (Kobe method).
The whiteness is detected according to the method of GB/T22879 determination of whiteness of paper and paperboard.
The opacity measurement was carried out in accordance with GB/T1543 "measurement of opacity of paper and board" (diffuse reflectance method).
The length of the break is measured in accordance with GB/T12914 "determination of the tensile strength of paper and board" (constant rate of drawing).
The method for detecting the folding endurance is carried out according to the method GB/T457 "determination of the folding endurance of paper and paperboard".
Example 2
175g/m 2 Production of double-sided drawing mark paper
（1）80g/m 2 Production of base paper: 25% of softwood pulp and 75% of hardwood pulp, and mixing and beating, wherein the beating degree is 38 +/-2O SR, the dosage of neutral sizing agent AKD is 1.6%, wet strength agent PAE is 1.5%, acrylamide retention aid is 100ppm, the production is carried out by adopting a 1880mm long-net multi-cylinder paper machine, the speed is 200m/min, the proportioned pulp passes through a drifting system, is screened and formed, and is dewatered by a net part, is pressed and dewatered, is dried before surface sizing, is subjected to surface sizing, is dried after surface sizing, is calendered and is reeled into 80g/m 2 The raw paper of the mark paper is surface-glued by adopting PVA + oxidized starch with the proportion of 2:3 (weight ratio) and the concentration of surface glue solution of 5.5 percent. 80g/m to be produced 2 The raw paper of the mark paper is equally divided into two parts, namely a part A and a part B.
(2) Preparing a coating liquid: adding 1.4 percent (to acrylic resin stock solution) of polyfunctional aziridine crosslinking agent into 100kg of acrylic resin, fully stirring for 5 minutes, adding 0.12kg of black color paste pigment 8501, fully stirring for 10 minutes, finally adding 7.5kg of water to dilute the acrylic resin solution, and adjusting the viscosity to be 20-30S (measured by a No. 4 cup) for later use.
(3) Coating and processing: coating by wire bar coating, drying the coating liquid on the paper surface by hot air at 140 deg.C, coating speed of 40m/min, and coating weight of 15g/m 2 . The paper A is coated on one side to form paper C.
(4) Hot-pressing composite processing: coating the base paper of the part A by a 1880mm coating machine, and performing hot-pressing compounding on the coated surfaces of the paper B and the paper C by a hot-pressing compounding machine, wherein the temperature of an upper press roller is 250 ℃, the temperature of cooling water is 20 ℃, the flow rate of the cooling water is 22L/min, and the speed of the machine is 18 m/min. Rewinding and slitting to complete 175g/m 2 And (5) producing double-sided drawing mark paper. (the supplier of the materials used in the production is the same as in example 1).
Table 2: 175g/m 2 Technical indexes of double-sided drawing mark paper
Figure DEST_PATH_IMAGE002
The results in the above table show that: the paper has good surface absorption performance, is suitable for oil mark pen drawing, also has good opacity, ink marks drawn on the front surface can not penetrate into the other surface of the paper, in practice, a mark pen is used for drawing a transverse line on the paper surface, the transverse line is immediately wiped by fingers, no ink mark scratch can occur, and the ink penetration speed and the ink mark drying speed are indicated.
Quantitative determination was carried out according to the method GB/T451.2 "determination of paper and paperboard quantitative".
The thickness was measured according to GB/T451.3 "determination of paper and board thickness".
Smoothness was measured according to GB/T456 "paper and paperboard smoothness determination" (Bekk method).
The surface absorbency was determined according to GB/T1540 "determination of paper and board absorbency" (Kobe method).
The whiteness is detected according to the method of GB/T22879 determination of whiteness of paper and paperboard.
The opacity measurement was carried out in accordance with GB/T1543 "measurement of opacity of paper and board" (diffuse reflectance method).
The length of the break is measured in accordance with GB/T12914 "determination of the tensile strength of paper and board" (constant rate of drawing).
The method for detecting the folding endurance is carried out according to the method GB/T457 "determination of folding endurance of paper and paperboard".
Example 3
215g/m 2 Production of double-sided drawing mark paper
（1）100g/m 2 Production of base paper: 40% of softwood pulp and 60% of hardwood pulp, and mixing and beating, wherein the beating degree is 36 +/-2O SR, the dosage of neutral sizing agent AKD is 1.8%, wet strength agent PAE is 1.4%, acrylamide retention aid is 100ppm, the production is carried out by adopting 1760mm long-net multi-cylinder paper machine, the speed is 180m/min, and the proportioned pulp flows through a flow systemThe system is formed by wire-feeding, dewatering in wire section, squeezing dewatering, drying before surface sizing, drying after surface sizing, press polishing and reeling to 100g/m 2 The raw paper of the mark paper is surface-glued by adopting PVA + oxidized starch with the proportion of 2:3 (weight ratio) and the concentration of surface glue solution of 5.5 percent. 100g/m to be produced 2 The raw paper of the mark paper is equally divided into two parts, namely a part A and a part B.
(2) Preparing a coating liquid: adding 1.4 percent (to acrylic resin stock solution) of polyfunctional aziridine crosslinking agent into 100kg of acrylic resin, fully stirring for 5 minutes, adding 0.10kg of black color paste pigment 8501, fully stirring for 10 minutes, finally adding 7.5kg of water to dilute the acrylic resin solution, and adjusting the viscosity to be 20-30S (measured by using a No. 4 cup) for later use.
(3) Coating and processing: the base paper of part A is coated by a 1760mm coater. Coating by air knife, drying the coating liquid on the paper surface by hot air at 140 deg.C, coating speed of 40m/min, and coating amount of 15g/m 2 . And coating one side of the paper A into paper C.
3. Hot-pressing composite processing: and carrying out hot-pressing compounding on the coated surfaces of the paper B and the paper C by a hot-pressing compounding machine, wherein the temperature of an upper press roll 4 is 270 ℃, the temperature of cooling water is 20 ℃, the flow rate of the cooling water is 20L/min, and the speed of the machine is 20 m/min. Rewinding and slitting to finish 215g/m 2 And (5) producing double-sided drawing mark paper. (the same supplier of the materials used in the production as in example 1)
Table 3: 215g/m 2 Technical indexes of double-sided drawing mark paper
Figure DEST_PATH_IMAGE003
The results in the above table show that: the paper has good surface absorption performance, is suitable for oil mark pen drawing, also has good opacity, ink marks drawn on the front surface can not penetrate into the other surface of the paper, in practice, a mark pen is used for drawing a transverse line on the paper surface, the transverse line is immediately wiped by fingers, no ink mark scratch can occur, and the ink penetration speed and the ink mark drying speed are indicated.
Quantitative determination was carried out according to the method GB/T451.2 "determination of paper and paperboard quantitative".
The thickness was measured according to GB/T451.3 "determination of paper and paperboard thickness".
Smoothness was measured according to GB/T456 "paper and paperboard smoothness determination" (Bekk method).
The surface absorbency was determined according to GB/T1540 "determination of paper and board absorbency" (Kobe method).
The whiteness is detected according to the method of GB/T22879 determination of whiteness of paper and paperboard.
The opacity measurement was carried out in accordance with GB/T1543 "measurement of opacity of paper and board" (diffuse reflectance method).
The length of the break is measured in accordance with GB/T12914 "determination of the tensile strength of paper and board" (constant rate of drawing).
The method for detecting the folding endurance is carried out according to the method GB/T457 "determination of the folding endurance of paper and paperboard".
Comparative example 1:
the black color paste pigment is added into the aqueous acrylic acid coating liquid, and the purpose is to improve the opacity of paper and prevent the other side of the drawing pattern from being seen on the back side. Production example 1 was conducted by adding 0.15% of black paste 8501 to the coating solution and comparing the opacity of the paper after compounding with different amounts of black paste pigment and no black paste pigment, and the results are shown in Table 4 below.
Table 4: influence of different amounts of black paste pigment added into coating liquid on paper opacity
Figure DEST_PATH_IMAGE004
As can be seen from the table, the opacity of the paper increases with increasing amount of the black pigment, but the degree of the increase decreases with increasing amount, so from the viewpoint of meeting the use requirement of the paper and saving the economy, the upper limit of the suitable pigment amount is determined to be 0.3%.
Comparative example 2:
aziridine is added into the aqueous acrylic coating liquid to generate crosslinking of an acrylic coating, so that the ink resistance and the solvent penetration resistance of the paper are improved, and the ink is prevented from penetrating to the other side of the paper during drawing of an oily mark pen. Production example 1 in which 1.2% aziridine crosslinking agent was added to the coating solution, the amount of aziridine crosslinking agent was varied and no aziridine crosslinking agent was added to the coating solution, an oil marker was used to draw a line on the paper surface, and ink penetration was observed on the back of the paper after 10 seconds, and the results are shown in table 5 below.
Table 5: effect of different amounts of aziridine crosslinker on paper ink Permeability
Figure DEST_PATH_IMAGE005
As can be seen from the above table, when the amount of the cross-linking agent is less than 1.0%, the cross-linking of the acrylic coating liquid is insufficient, and the ink penetration phenomenon occurs, and when the amount of the cross-linking agent is 1.0% to 2.0%, the ink penetration phenomenon does not occur in the paper.

Claims (4)

1. The making process of double-sided paper for painting with mark pen includes one upper base paper layer, one lower base paper layer and one middle impervious and light blocking coating layer of 8-15g/m coating liquid mixed with water-base acrylic resin, black color paste pigment and cross-linking agent 2 The coating amount of the paper is used for forming a coating layer, the coating layer is subjected to hot melting and press bonding, then an upper raw paper layer and a lower raw paper layer are mutually bonded to form the double-sided drawing paper, the cross-linking agent is aziridine, the black color paste pigment is black color paste pigment 8501, and the manufacturing method of the double-sided drawing paper comprises the following steps:
(1) production of base paper: the base paper is produced by 100% wood pulp fiber raw material, the softwood pulp and the hardwood pulp are mixed and beaten, the beating degree is 36-46 O SR, adding sizing agent AKD and wet strength agent PAE into pulp, respectively, producing with fourdrinier wire machine, feeding pulp through approach system, net-section dewatering, press dewateringDrying and dehydrating in a drying cylinder before surface sizing, drying and dehydrating in a drying cylinder after surface sizing, press polishing and reeling to form the Makean painting base paper;
(2) preparing a coating liquid: taking water-based acrylic emulsion, a cross-linking agent, black color paste pigment and water, wherein the glass transition temperature of the water-based acrylic emulsion is-15 to-25 ℃, adding the cross-linking agent, the black color paste pigment and the water into the water-based acrylic emulsion, and stirring to prepare a coating liquid, wherein the proportion of the cross-linking agent is 1.0 to 2.0 percent of that of the water-based acrylic emulsion;
(3) coating and processing: coating the paper A of the upper raw paper layer on the part of the raw paper produced in the step (1) serving as the paper A of the upper raw paper layer, and coating the surface of the paper A of the upper raw paper layer in an air knife coating or wire bar coating mode, wherein the coating weight is 8-15g/m 2 Drying by adopting a hot air oven or infrared drying mode to form paper C with an acrylic resin coating layer on one surface;
(4) hot-pressing composite processing: and (2) regarding the rest part of the base paper produced in the step (1) as paper B of a lower base paper layer, superposing one surface of the paper B and one surface of the paper C with a coating layer together through a pressing device, bonding the paper C and the paper B together through a hot pressing roller at the temperature of 180-280 ℃ and an acrylic resin coating layer under the high temperature, reducing the temperature of the bonded paper through a cooling roller to form paper D, wherein the paper D is the paper for double-sided marker painting.
2. The method for making a double-sided drawing paper with a marker as claimed in claim 1, wherein in the step (1), softwood pulp accounts for 20-60% of the total oven dry pulp weight, hardwood pulp accounts for 40-80% of the total oven dry pulp weight, sizing agent AKD accounts for 1.0-2.0% of the total oven dry pulp weight, and wet strength agent PAE accounts for 0.8-2.5% of the total oven dry pulp weight.
3. The method for making the paper for double-sided painting of the marker pen as claimed in claim 1, wherein in the step (2), the black paste pigment 8501 accounts for 0.08-0.3% of the aqueous acrylic emulsion, and the water accounts for 5-10% of the aqueous acrylic emulsion.
4. The method for manufacturing the paper for the double-sided painting of the marker pen as claimed in claim 1, wherein the laminating equipment in the step (4) comprises two paper roll placing devices, an upper press roll, a lower press roll, a pressurizing device, a hot oil heating device, a cooling roll and a winding device, wherein the upper press roll in the laminating equipment is a smooth roll with a chrome-plated surface, the upper press roll is a forged solid roll, an oil path is distributed in the upper press roll, heated hot oil is pumped into the oil path in the upper press roll through an oil pump to heat the upper press roll, the temperature of the upper press roll is raised to a temperature required by thermal compounding through circulation in the upper press roll, the hot oil returns to the hot oil heating device after circulation in the oil path of the upper press roll, the pressure of the pressurizing device is 10-20MPa, the lower press roll is a high-temperature resistant hard rubber roll, and the hardness of the rubber roll is more than 100 Shore hardness, the chill roll switches on through the cooling water and carries the cooling, and the cooling water is normal atmospheric temperature running water, adjusts the flow control paper temperature of cooling water, and two are put the scroll device and are paper C roller and paper B roller respectively, the coiling mechanism be paper D roller.
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CN2324170Y (en) * 1998-04-29 1999-06-16 丁凤飞 Double-side drawing and writing paper
JP4623772B2 (en) * 1998-11-10 2011-02-02 特種製紙株式会社 Fully opaque paper
CN206426603U (en) * 2016-12-23 2017-08-22 郑州华美彩印纸品有限公司 A kind of film covering device for saving energy consumption
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Denomination of invention: A marking pen for painting, double-sided drawing paper and production method

Effective date of registration: 20230601

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Pledgee: Weihai Commercial Bank Co.,Ltd. Rongcheng Branch

Pledgor: Shandong Kaili Special Paper Co.,Ltd.

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