CN110820404A - Formula and preparation method of high-bulk color cardboard - Google Patents
Formula and preparation method of high-bulk color cardboard Download PDFInfo
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- CN110820404A CN110820404A CN201911040047.XA CN201911040047A CN110820404A CN 110820404 A CN110820404 A CN 110820404A CN 201911040047 A CN201911040047 A CN 201911040047A CN 110820404 A CN110820404 A CN 110820404A
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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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
- D21H17/24—Polysaccharides
- D21H17/28—Starch
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D1/00—Methods of beating or refining; Beaters of the Hollander type
- D21D1/20—Methods of refining
- D21D1/30—Disc mills
- D21D1/303—Double disc mills
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F5/00—Dryer section of machines for making continuous webs of paper
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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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/01—Waste products, e.g. sludge
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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
- 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
- D21H21/06—Paper forming aids
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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
- 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
- D21H21/06—Paper forming aids
- D21H21/12—Defoamers
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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
- 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
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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
- 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
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Abstract
The invention discloses a formula of high-bulk color cardboard and a preparation method thereof, wherein the formula comprises 30-40% of needles and leaves, 60-70% of broad leaves, 50-60% of waste color cardboard, 40-50% of mechanical pulp, 1.2-2.0% of starch, 2.0-8.0% of dye, 0.1-0.15% of retention aid, 1.0-1.5% of AKD, 1.0-2.0% of spray starch, 1.0-3.0% of swelling agent, surface glue and surface reinforcing agent by mass percent, and the preparation method specifically comprises the following steps: the method comprises the following steps: preparing flour paste; step two: preparing core slurry: the method specifically comprises mechanical pulp treatment, waste paper treatment of the pattern card and mixing treatment; step three: and (5) papermaking treatment. The invention has the technical effects of high folding resistance, high paper bulk, high paper surface flatness, high color stability and high texture.
Description
Technical Field
The invention relates to the technical field of color card paper and a preparation process, in particular to a formula of high-bulk color card paper and a preparation method thereof.
Background
The color card paper is a design style which is continuously sought by designers and printers for unique cutting, so that the work is made to stand out. Many times the color cards make them more attractive. The high-quality paper product has soft hand feeling and beautiful appearance, and the finished product is richer in noble quality and is pleasing to the eyes. The color card paper has more varieties, various characteristics and higher grade than common paper, and is mainly used for producing high-grade packing boxes, cards, hand bags, greeting cards and the like.
The problems of non-ideal folding resistance, paper bulk, paper surface smoothness, color stability and texture of the existing color card paper still exist.
Disclosure of Invention
The invention aims to provide a formula of high-bulk color card paper and a preparation method thereof, so as to solve the problems in the background technology.
In order to realize the purpose, the invention provides the following technical scheme: the formula of the high-bulk color cardboard comprises, by mass, 30-40% of needles and leaves, 60-70% of broad leaves, 50-60% of waste color cardboard, 40-50% of mechanical pulp, 1.2-2.0% of starch, 2.0-8.0% of dye, 0.1-0.15% of retention aid, 1.0-1.5% of AKD, 1.0-2.0% of spray starch, 1.0-3.0% of bulking agent, surface glue and a surface reinforcing agent, and the preparation method specifically comprises the following steps:
the method comprises the following steps: preparing flour paste: processing the coniferous wood and the broadleaf wood by a hydrapulper to prepare coniferous wood pulp and broadleaf wood pulp, inputting the coniferous wood and the broadleaf wood pulp into a pulp tank, mixing and pulping the coniferous wood and the broadleaf wood pulp by a double-disc grinder, controlling the beating degree to be 25-35 DEG SR, then beating the back tank to be 1#, conveying the back tank to a flour pulp proportioning tank, adding a dye, a swelling agent, starch and a retention aid into the flour pulp proportioning tank, and then making the flour pulp into a front tank;
step two: preparing core slurry: the method specifically comprises mechanical pulp treatment, waste paper treatment of the pattern card and mixing treatment;
the mechanical pulp treatment process specifically comprises the following steps: processing mechanical wood pulp by a hydrapulper, then conveying the processed mechanical wood pulp into a pulp tank, then processing the processed mechanical wood pulp by a double-disc grinder, controlling the beating degree to be 25-35 DEG SR, and finally beating the mechanical wood pulp in a rear tank 2 #;
the waste paper processing flow of the colored card comprises the following specific steps: processing waste paper of the pattern card by a hydrapulper, then conveying the waste paper to a pulp tank, then processing the waste paper by a screen skip, then processing the waste paper by a fiber separator, then conveying the waste paper to the pulp tank, then processing the waste paper by a pulp thickener, then processing the waste paper by a double-disc grinder, controlling the beating degree to be 35-38 DEG SR, and finally beating the waste paper in a rear tank 3 #;
the mixed treatment process specifically comprises the following steps: conveying the pulp in the No. 2 and No. 3 pools after knocking to a core pulp color matching pool, adding dye, starch, a swelling agent and a retention aid into the core pulp color matching pool to prepare core pulp, and finally making the core pulp into a front making pool;
step three: papermaking treatment: treating the surface pulp and the core pulp prepared in the first step and the second step in a pre-papermaking tank, conveying the surface pulp and the core pulp to a high-level box for treatment, conveying the surface pulp and the core pulp to a pulp flushing tank, adding AKD into the pulp flushing tank, conveying the surface pulp and the core pulp to a desander for secondary desanding treatment through a net part pH value control system, conveying the surface pulp and the core pulp to a pressure screen, adding a retention aid, preparing a color paperboard through a cylinder paper machine with 5 cylinder cages, performing two-pressing treatment on the color paperboard, performing back-pressing treatment on the color paperboard, performing one-group drying cylinder drying treatment on the color paperboard, performing two-group drying cylinder drying treatment on the color paperboard, performing surface glue and surface reinforcing agent coating treatment through a surface glue applicator, performing three-group drying cylinder drying treatment on the color paperboard, and performing soft calender treatment on the color paperboard, and finally, the color card paper is rolled by a winder and a rewinder after being detected by a quantitative and moisture online detection control system.
Preferably, the pulping mode in the step one adopts a semi-free and semi-sticky pulping mode, and 4 double-disc pulping machines are adopted for pulping in series.
Preferably, the pulping modes of the mechanical pulp treatment and the white cardboard waste paper treatment in the step two adopt sticky pulping modes, and 4 double-disc pulping machines are adopted to carry out serial pulping.
Preferably, the consumption of the surface adhesive in the third step is 75 kg of starch per pot, and the consumption of the surface reinforcing agent is 15 kg of starch per pot.
Preferably, the 5 cylinder mould cages in the third step comprise 2 surface pulp nets and 3 core pulp nets, and spray starch is added between every two net layer pulps.
Preferably, the pH value in the third step is controlled to be between 7.0 and 8.0 by a net part pH value control system.
Preferably, the AKD is an alkyl ketene dimer internal sizing agent, and the solid content is 12-18%.
Preferably, the retention aid is mainly high polymer, and is added with one or more of alum, polyaluminium chloride and a fixing agent to be mixed; the fixative is one or more of polyamine, polydiallyldimethylammonium chloride and polyethyleneimine.
Compared with the prior art, the invention has the beneficial effects that:
1. the high bulk color card paper formula and the preparation method thereof are characterized in that dye, swelling agent, starch and retention aid are added into pulp prepared from needle leaves and broad leaves to prepare face pulp, dye, starch and retention aid are added into pulp prepared from white cardboard waste paper and mechanical pulp to prepare core pulp, and the face pulp and the core pulp are subjected to papermaking treatment to prepare pattern paper, so that the pattern paper has high folding strength and bulk.
2. According to the formula and the preparation method of the high-bulk color paperboard, high-definition patterned paper is prepared through a cylinder paper machine with 5 cylinder cages, wherein the 5 cylinder cages comprise 2 surface pulp nets and 3 core pulp nets, and spray starch is added between every two layers of the net pulp, so that the binding force between the layers of the patterned paper is improved, and the folding resistance is improved.
3. The preparation method comprises adding AKD into pulp washing tank, conveying surface pulp and core pulp to desander for two-stage desanding treatment via mesh pH control system, conveying surface pulp and core pulp to pressure sieve, adding retention aid, preparing color card paper via cylinder paper machine with 5 cylinder cages, performing two-stage squeezing treatment, performing reverse squeezing treatment, performing one-group drying treatment, performing two-group drying treatment, coating surface glue and surface reinforcing agent via surface size applicator, performing three-group drying treatment, treating color card paper via soft calender, coating surface glue and surface reinforcing agent via surface size applicator, and the soft calender is used for processing the color card paper, so that the flatness and the texture of the appearance are improved.
4. According to the formula and the preparation method of the high-bulk color paperboard, in the preparation process of the face pulp, the face pulp is added into a face pulp mixing tank and then is made into a front tank, the core pulp is added into a core pulp color matching tank and is made into core pulp, and finally the core pulp is made into the front tank, wherein the swelling agent can effectively improve the bulk of the patterned paper.
Drawings
FIG. 1 is a table diagram of experimental data in the examples;
fig. 2 is a schematic diagram of main technical indexes of the color card paper in the embodiment.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The formula of the high-bulk color paperboard comprises 30% of needle leaves, 60% of broad leaves, 50% of waste paper of color card, 40% of mechanical pulp, 1.2% of starch, 2.0% of dye, 0.1% of retention aid, 1.0% of AKD, 1.0% of spray starch, 1.0% of swelling agent, surface adhesive and surface reinforcing agent in percentage by mass, and the preparation method specifically comprises the following steps:
the method comprises the following steps: preparing flour paste: processing the coniferous wood and the broadleaf wood by a hydrapulper to prepare coniferous wood pulp and broadleaf wood pulp, inputting the coniferous wood and the broadleaf wood pulp into a pulp tank, mixing and pulping the coniferous wood and the broadleaf wood pulp by a double-disc grinder, controlling the beating degree to be 25-35 DEG SR, then beating the back tank to be 1#, conveying the back tank to a flour pulp proportioning tank, adding a dye, a swelling agent, starch and a retention aid into the flour pulp proportioning tank, and then making the flour pulp into a front tank;
step two: preparing core slurry: the method specifically comprises mechanical pulp treatment, waste paper treatment of the pattern card and mixing treatment;
the mechanical pulp treatment process specifically comprises the following steps: processing mechanical wood pulp by a hydrapulper, then conveying the processed mechanical wood pulp into a pulp tank, then processing the processed mechanical wood pulp by a double-disc grinder, controlling the beating degree to be 25-35 DEG SR, and finally beating the mechanical wood pulp in a rear tank 2 #;
the waste paper processing flow of the colored card comprises the following specific steps: processing waste paper of the pattern card by a hydrapulper, then conveying the waste paper to a pulp tank, then processing the waste paper by a screen skip, then processing the waste paper by a fiber separator, then conveying the waste paper to the pulp tank, then processing the waste paper by a pulp thickener, then processing the waste paper by a double-disc grinder, controlling the beating degree to be 35-38 DEG SR, and finally beating the waste paper in a rear tank 3 #;
the mixed treatment process specifically comprises the following steps: conveying the pulp in the No. 2 and No. 3 pools after knocking to a core pulp color matching pool, adding dye, starch, a swelling agent and a retention aid into the core pulp color matching pool to prepare core pulp, and finally making the core pulp into a front making pool;
step three: papermaking treatment: treating the surface pulp and the core pulp prepared in the first step and the second step in a pre-papermaking tank, conveying the surface pulp and the core pulp to a high-level box for treatment, conveying the surface pulp and the core pulp to a pulp flushing tank, adding AKD into the pulp flushing tank, conveying the surface pulp and the core pulp to a desander for secondary desanding treatment through a net part pH value control system, conveying the surface pulp and the core pulp to a pressure screen, adding a retention aid, preparing a color paperboard through a cylinder paper machine with 5 cylinder cages, performing two-pressing treatment on the color paperboard, performing back-pressing treatment on the color paperboard, performing one-group drying cylinder drying treatment on the color paperboard, performing two-group drying cylinder drying treatment on the color paperboard, performing surface glue and surface reinforcing agent coating treatment through a surface glue applicator, performing three-group drying cylinder drying treatment on the color paperboard, and performing soft calender treatment on the color paperboard, and finally, the color card paper is rolled by a winder and a rewinder after being detected by a quantitative and moisture online detection control system.
In this embodiment, the pulping mode in the first step is a semi-free and semi-sticky pulping mode, and 4 double-disc pulping machines are used for pulping in series.
In this embodiment, the pulping modes of the mechanical pulp treatment and the white cardboard waste paper treatment in the step two are both sticky pulping modes, and 4 double-disc pulping machines are used for pulping in series.
In this example, the consumption of the surface adhesive in the third step was 75 kg of starch per pot, and the consumption of the surface reinforcing agent was 15 kg of starch per pot.
In this embodiment, the 5 cylinder mould cages in step three comprise 2 surface pulp nets and 3 core pulp nets, and spray starch is added between every two net layer pulps.
In this embodiment, in the third step, the PH value is controlled to be 7.0-8.0 by the PH value control system of the net part.
In the embodiment, the AKD is an alkyl ketene dimer internal sizing agent, and the solid content is 12-18%.
In the embodiment, the retention aid is mainly high polymer, and is added with one or more of alum, polyaluminium chloride and a fixing agent to be mixed; the fixative is one or more of polyamine, polydiallyldimethylammonium chloride and polyethyleneimine.
Example 2
The formula of the high-bulk color paperboard comprises 40% of needle leaves, 70% of broad leaves, 60% of waste paper of color card, 50% of mechanical pulp, 2.0% of starch, 8.0% of dye, 0.15% of retention aid, 1.5% of AKD, 2.0% of spray starch, 3.0% of swelling agent, surface adhesive and surface reinforcing agent in percentage by mass, and the preparation method specifically comprises the following steps:
the method comprises the following steps: preparing flour paste: processing the coniferous wood and the broadleaf wood by a hydrapulper to prepare coniferous wood pulp and broadleaf wood pulp, inputting the coniferous wood and the broadleaf wood pulp into a pulp tank, mixing and pulping the coniferous wood and the broadleaf wood pulp by a double-disc grinder, controlling the beating degree to be 25-35 DEG SR, then beating the back tank to be 1#, conveying the back tank to a flour pulp proportioning tank, adding a dye, a swelling agent, starch and a retention aid into the flour pulp proportioning tank, and then making the flour pulp into a front tank;
step two: preparing core slurry: the method specifically comprises mechanical pulp treatment, waste paper treatment of the pattern card and mixing treatment;
the mechanical pulp treatment process specifically comprises the following steps: processing mechanical wood pulp by a hydrapulper, then conveying the processed mechanical wood pulp into a pulp tank, then processing the processed mechanical wood pulp by a double-disc grinder, controlling the beating degree to be 25-35 DEG SR, and finally beating the mechanical wood pulp in a rear tank 2 #;
the waste paper processing flow of the colored card comprises the following specific steps: processing waste paper of the pattern card by a hydrapulper, then conveying the waste paper to a pulp tank, then processing the waste paper by a screen skip, then processing the waste paper by a fiber separator, then conveying the waste paper to the pulp tank, then processing the waste paper by a pulp thickener, then processing the waste paper by a double-disc grinder, controlling the beating degree to be 35-38 DEG SR, and finally beating the waste paper in a rear tank 3 #;
the mixed treatment process specifically comprises the following steps: conveying the pulp in the No. 2 and No. 3 pools after knocking to a core pulp color matching pool, adding dye, starch, a swelling agent and a retention aid into the core pulp color matching pool to prepare core pulp, and finally making the core pulp into a front making pool;
step three: papermaking treatment: treating the surface pulp and the core pulp prepared in the first step and the second step in a pre-papermaking tank, conveying the surface pulp and the core pulp to a high-level box for treatment, conveying the surface pulp and the core pulp to a pulp flushing tank, adding AKD into the pulp flushing tank, conveying the surface pulp and the core pulp to a desander for secondary desanding treatment through a net part pH value control system, conveying the surface pulp and the core pulp to a pressure screen, adding a retention aid, preparing a color paperboard through a cylinder paper machine with 5 cylinder cages, performing two-pressing treatment on the color paperboard, performing back-pressing treatment on the color paperboard, performing one-group drying cylinder drying treatment on the color paperboard, performing two-group drying cylinder drying treatment on the color paperboard, performing surface glue and surface reinforcing agent coating treatment through a surface glue applicator, performing three-group drying cylinder drying treatment on the color paperboard, and performing soft calender treatment on the color paperboard, and finally, the color card paper is rolled by a winder and a rewinder after being detected by a quantitative and moisture online detection control system.
In this embodiment, the pulping mode in the first step is a semi-free and semi-sticky pulping mode, and 4 double-disc pulping machines are used for pulping in series.
In this embodiment, the pulping modes of the mechanical pulp treatment and the white cardboard waste paper treatment in the step two are both sticky pulping modes, and 4 double-disc pulping machines are used for pulping in series.
In this example, the consumption of the surface adhesive in the third step was 75 kg of starch per pot, and the consumption of the surface reinforcing agent was 15 kg of starch per pot.
In this embodiment, the 5 cylinder mould cages in step three comprise 2 surface pulp nets and 3 core pulp nets, and spray starch is added between every two net layer pulps.
In this embodiment, in the third step, the PH value is controlled to be 7.0-8.0 by the PH value control system of the net part.
In the embodiment, the AKD is an alkyl ketene dimer internal sizing agent, and the solid content is 12-18%.
In the embodiment, the retention aid is mainly high polymer, and is added with one or more of alum, polyaluminium chloride and a fixing agent to be mixed; the fixative is one or more of polyamine, polydiallyldimethylammonium chloride and polyethyleneimine.
Example 3
The formula of the high-bulk color paperboard comprises 35% of needles and leaves, 65% of broad leaves, 55% of waste color paperboard, 45% of mechanical pulp, 1.6% of starch, 5.0% of dye, 0.125% of retention aid, 1.25% of AKD, 1.5% of spray starch, 2.0% of swelling agent, surface adhesive and surface reinforcing agent in percentage by mass, and the preparation method specifically comprises the following steps:
the method comprises the following steps: preparing flour paste: processing the coniferous wood and the broadleaf wood by a hydrapulper to prepare coniferous wood pulp and broadleaf wood pulp, inputting the coniferous wood and the broadleaf wood pulp into a pulp tank, mixing and pulping the coniferous wood and the broadleaf wood pulp by a double-disc grinder, controlling the beating degree to be 25-35 DEG SR, then beating the back tank to be 1#, conveying the back tank to a flour pulp proportioning tank, adding a dye, a swelling agent, starch and a retention aid into the flour pulp proportioning tank, and then making the flour pulp into a front tank;
step two: preparing core slurry: the method specifically comprises mechanical pulp treatment, waste paper treatment of the pattern card and mixing treatment;
the mechanical pulp treatment process specifically comprises the following steps: processing mechanical wood pulp by a hydrapulper, then conveying the processed mechanical wood pulp into a pulp tank, then processing the processed mechanical wood pulp by a double-disc grinder, controlling the beating degree to be 25-35 DEG SR, and finally beating the mechanical wood pulp in a rear tank 2 #;
the waste paper processing flow of the colored card comprises the following specific steps: processing waste paper of the pattern card by a hydrapulper, then conveying the waste paper to a pulp tank, then processing the waste paper by a screen skip, then processing the waste paper by a fiber separator, then conveying the waste paper to the pulp tank, then processing the waste paper by a pulp thickener, then processing the waste paper by a double-disc grinder, controlling the beating degree to be 35-38 DEG SR, and finally beating the waste paper in a rear tank 3 #;
the mixed treatment process specifically comprises the following steps: conveying the pulp in the No. 2 and No. 3 pools after knocking to a core pulp color matching pool, adding dye, starch, a swelling agent and a retention aid into the core pulp color matching pool to prepare core pulp, and finally making the core pulp into a front making pool;
step three: papermaking treatment: treating the surface pulp and the core pulp prepared in the first step and the second step in a pre-papermaking tank, conveying the surface pulp and the core pulp to a high-level box for treatment, conveying the surface pulp and the core pulp to a pulp flushing tank, adding AKD into the pulp flushing tank, conveying the surface pulp and the core pulp to a desander for secondary desanding treatment through a net part pH value control system, conveying the surface pulp and the core pulp to a pressure screen, adding a retention aid, preparing a color paperboard through a cylinder paper machine with 5 cylinder cages, performing two-pressing treatment on the color paperboard, performing back-pressing treatment on the color paperboard, performing one-group drying cylinder drying treatment on the color paperboard, performing two-group drying cylinder drying treatment on the color paperboard, performing surface glue and surface reinforcing agent coating treatment through a surface glue applicator, performing three-group drying cylinder drying treatment on the color paperboard, and performing soft calender treatment on the color paperboard, and finally, the color card paper is rolled by a winder and a rewinder after being detected by a quantitative and moisture online detection control system.
In this embodiment, the pulping mode in the first step is a semi-free and semi-sticky pulping mode, and 4 double-disc pulping machines are used for pulping in series.
In this embodiment, the pulping modes of the mechanical pulp treatment and the white cardboard waste paper treatment in the step two are both sticky pulping modes, and 4 double-disc pulping machines are used for pulping in series.
In this example, the consumption of the surface adhesive in the third step was 75 kg of starch per pot, and the consumption of the surface reinforcing agent was 15 kg of starch per pot.
In this embodiment, the 5 cylinder mould cages in step three comprise 2 surface pulp nets and 3 core pulp nets, and spray starch is added between every two net layer pulps.
In this embodiment, in the third step, the PH value is controlled to be 7.0-8.0 by the PH value control system of the net part.
In the embodiment, the AKD is an alkyl ketene dimer internal sizing agent, and the solid content is 12-18%.
In the embodiment, the retention aid is mainly high polymer, and is added with one or more of alum, polyaluminium chloride and a fixing agent to be mixed; the fixative is one or more of polyamine, polydiallyldimethylammonium chloride and polyethyleneimine.
Testing and detecting: the folding endurance, the paper bulk, the paper surface flatness, the color stability and the texture of the color card paper prepared in the example 1, the example 2 and the example 3 and the color card paper in the prior art are respectively detected, and a specific detection data table is shown in fig. 1;
and (3) analyzing a detection result: the folding endurance, the paper bulk, the paper surface smoothness, the color stability and the texture of the color card paper prepared in the examples 1, 2 and 3 are equivalent to those of the color card paper in the prior art, and are obviously higher than those of the color card paper in the prior art, as shown in fig. 2, which is the main technical index of the color card paper in the present example.
The invention has the beneficial effects that: the high bulk color card paper formula and the preparation method thereof are characterized in that dye, swelling agent, starch and retention aid are added into pulp prepared from needle leaves and broad leaves to prepare face pulp, dye, starch and retention aid are added into pulp prepared from white cardboard waste paper and mechanical pulp to prepare core pulp, and the face pulp and the core pulp are subjected to papermaking treatment to prepare pattern paper, so that the pattern paper has high folding strength and bulk.
According to the formula and the preparation method of the high-bulk color paperboard, high-definition patterned paper is prepared through a cylinder paper machine with 5 cylinder cages, wherein the 5 cylinder cages comprise 2 surface pulp nets and 3 core pulp nets, and spray starch is added between every two layers of the net pulp, so that the binding force between the layers of the patterned paper is improved, and the folding resistance is improved. The preparation method comprises adding AKD into pulp washing tank, conveying surface pulp and core pulp to desander for two-stage desanding treatment via mesh pH control system, conveying surface pulp and core pulp to pressure sieve, adding retention aid, preparing color card paper via cylinder paper machine with 5 cylinder cages, performing two-stage squeezing treatment, performing reverse squeezing treatment, performing one-group drying treatment, performing two-group drying treatment, coating surface glue and surface reinforcing agent via surface size applicator, performing three-group drying treatment, treating color card paper via soft calender, coating surface glue and surface reinforcing agent via surface size applicator, and the soft calender is used for processing the color card paper, so that the flatness and the texture of the appearance are improved.
4. According to the formula and the preparation method of the high-bulk color paperboard, in the preparation process of the face pulp, the face pulp is added into a face pulp mixing tank and then is made into a front tank, the core pulp is added into a core pulp color matching tank and is made into core pulp, and finally the core pulp is made into the front tank, wherein the swelling agent can effectively improve the bulk of the patterned paper.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (8)
1. The formula and the preparation method of the high-bulk color paperboard are characterized in that: the color card waste paper color-improving agent comprises, by mass, 30-40% of needles and leaves, 60-70% of broad leaves, 50-60% of color card waste paper, 40-50% of mechanical pulp, 1.2-2.0% of starch, 2.0-8.0% of dye, 0.1-0.15% of retention aid, 1.0-1.5% of AKD, 1.0-2.0% of spray starch, 1.0-3.0% of swelling agent, surface adhesive and surface reinforcing agent, and the preparation method specifically comprises the following steps:
the method comprises the following steps: preparing flour paste: processing the coniferous wood and the broadleaf wood by a hydrapulper to prepare coniferous wood pulp and broadleaf wood pulp, inputting the coniferous wood and the broadleaf wood pulp into a pulp tank, mixing and pulping the coniferous wood and the broadleaf wood pulp by a double-disc grinder, controlling the beating degree to be 25-35 DEG SR, then beating the back tank to be 1#, conveying the back tank to a flour pulp proportioning tank, adding a dye, a swelling agent, starch and a retention aid into the flour pulp proportioning tank, and then making the flour pulp into a front tank;
step two: preparing core slurry: the method specifically comprises mechanical pulp treatment, waste paper treatment of the pattern card and mixing treatment;
the mechanical pulp treatment process specifically comprises the following steps: processing mechanical wood pulp by a hydrapulper, then conveying the processed mechanical wood pulp into a pulp tank, then processing the processed mechanical wood pulp by a double-disc grinder, controlling the beating degree to be 25-35 DEG SR, and finally beating the mechanical wood pulp in a rear tank 2 #;
the waste paper processing flow of the colored card comprises the following specific steps: processing waste paper of the pattern card by a hydrapulper, then conveying the waste paper to a pulp tank, then processing the waste paper by a screen skip, then processing the waste paper by a fiber separator, then conveying the waste paper to the pulp tank, then processing the waste paper by a pulp thickener, then processing the waste paper by a double-disc grinder, controlling the beating degree to be 35-38 DEG SR, and finally beating the waste paper in a rear tank 3 #;
the mixed treatment process specifically comprises the following steps: conveying the pulp in the No. 2 and No. 3 pools after knocking to a core pulp color matching pool, adding dye, starch, a swelling agent and a retention aid into the core pulp color matching pool to prepare core pulp, and finally making the core pulp into a front making pool;
step three: papermaking treatment: treating the surface pulp and the core pulp prepared in the first step and the second step in a pre-papermaking tank, conveying the surface pulp and the core pulp to a high-level box for treatment, conveying the surface pulp and the core pulp to a pulp flushing tank, adding AKD into the pulp flushing tank, conveying the surface pulp and the core pulp to a desander for secondary desanding treatment through a net part pH value control system, conveying the surface pulp and the core pulp to a pressure screen, adding a retention aid, preparing a color paperboard through a cylinder paper machine with 5 cylinder cages, performing two-pressing treatment on the color paperboard, performing back-pressing treatment on the color paperboard, performing one-group drying cylinder drying treatment on the color paperboard, performing two-group drying cylinder drying treatment on the color paperboard, performing surface glue and surface reinforcing agent coating treatment through a surface glue applicator, performing three-group drying cylinder drying treatment on the color paperboard, and performing soft calender treatment on the color paperboard, and finally, the color card paper is rolled by a winder and a rewinder after being detected by a quantitative and moisture online detection control system.
2. The formulation of high bulk color paperboard and process of claim 1, wherein the formulation comprises: and (3) pulping in the first step by adopting a semi-free and semi-sticky pulping mode and pulping by adopting 4 double-disc pulping machines in series.
3. The formulation of high bulk color paperboard and process of claim 1, wherein the formulation comprises: and (3) pulping modes of mechanical pulp treatment and white cardboard waste paper treatment in the step two adopt sticky pulping modes, and 4 double-disc pulping machines are adopted to carry out pulping in series.
4. The formulation of high bulk color paperboard and process of claim 1, wherein the formulation comprises: in the third step, the consumption of the surface adhesive is 75 kilograms of starch per pot, and the consumption of the surface reinforcing agent is 15 kilograms of starch per pot.
5. The formulation of high bulk color paperboard and process of claim 1, wherein the formulation comprises: in the third step, the 5 cylinder mould cages comprise 2 surface pulp nets and 3 core pulp nets, and spray starch is added between every two net layer pulps.
6. The formulation of high bulk color paperboard and process of claim 1, wherein the formulation comprises: in the third step, the PH value is controlled to be between 7.0 and 8.0 by the PH value control system of the net part.
7. The formulation of high bulk color paperboard and process of claim 1, wherein the formulation comprises: the AKD is an alkyl ketene dimer internal sizing agent, and the solid content is 12-18%.
8. The formulation of high bulk color paperboard and process of claim 1, wherein the formulation comprises: the retention aid is mainly high polymer, and is added with one or more of alum, polyaluminium chloride and a fixing agent to be mixed; the fixative is one or more of polyamine, polydiallyldimethylammonium chloride and polyethyleneimine.
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