CN110804904A - Double-sided color double-layer structure paper and manufacturing process thereof - Google Patents
Double-sided color double-layer structure paper and manufacturing process thereof Download PDFInfo
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- CN110804904A CN110804904A CN201910955132.2A CN201910955132A CN110804904A CN 110804904 A CN110804904 A CN 110804904A CN 201910955132 A CN201910955132 A CN 201910955132A CN 110804904 A CN110804904 A CN 110804904A
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- Prior art keywords
- paper
- surface course
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- different
- double
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Classifications
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/30—Multi-ply
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- 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
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- 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
- 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
-
- 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
- B32B2250/00—Layers arrangement
- B32B2250/26—All layers being made of paper or paperboard
-
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/54—Yield strength; Tensile strength
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- Paper (AREA)
Abstract
The invention discloses double-sided color double-layer structure paper and a manufacturing process thereof. The utility model provides a two-sided colour bilayer structure paper, it includes bottom paper and surface course paper, bottom paper and surface course paper be color paper, the colour of bottom paper and surface course paper is different, bottom paper and surface course paper adopt softwood pulp or hardwood pulp to form for raw materials preparation, its preparation method is by two at least nets, two sets of sizing system's paper machine production, the thick liquids of bottom paper and surface course paper are different, bottom paper adopts blue, green, pink or grey thick liquids coloring agent, surface course paper adopts blue, green, pink or grey thick liquids coloring agent, the different thick liquids of surface course paper and bottom paper are by two different sizing systems sizing system sizing shaping respectively at two nets, then cover when wet page and close together, through squeezing, the dry bilayer structure paper that forms two-layer different colours. The paper with the double-layer structure prepared by the invention has the advantages that the bottom layer paper and the surface paper are both colored paper, and the artistic effect is good.
Description
Technical Field
The invention relates to double-sided color double-layer structure paper and a manufacturing process thereof, belonging to the technical field of papermaking.
Background
It is known that, in the design of printing packages, besides the determined colors are printed on the surface of paper by offset printing, gravure printing, flexographic printing, silk screen printing and digital printing to show the colors, a method widely used by people is to make raw stock color paper, the method is to make paper by matching dyes in paper pulp, and various colors are shown on the paper, but only single-side color raw stock color paper in the market at present can be processed by printing, subsequent process laminating (pair mounting) and other modes, and the double-side color paper produced by the method cannot achieve the texture of the raw stock paper, and has poor folding resistance, environmental-friendly laminating (pair mounting) glue, large loss and easy peeling.
Disclosure of Invention
In view of this, the invention provides a double-sided color double-layer structure paper and a preparation method thereof, so as to improve the original process. The prepared paper with the double-layer structure has good artistic effect because the bottom layer paper and the surface paper are both colored paper.
The technical scheme adopted by the invention for solving the technical problem is as follows: the utility model provides a two-sided colour bilayer structure paper, its includes bottom paper and surface course paper, bottom paper and surface course paper be chromatic paper, the colour of bottom paper and surface course paper is different, bottom paper and surface course paper adopt softwood pulp or hardwood pulp to form as raw materials preparation.
The density of the surface layer paper is 50-300 g/square meter, and the density of the bottom layer paper is 50-300 g/square meter.
The utility model provides a manufacturing technology of two-sided colour bilayer structure paper, by two at least nets, the paper machine production of two sets of starching systems, the thick liquids coloring agent of bottom paper and surface course paper is different, bottom paper adopts blue, green, pink or grey thick liquids coloring agent, surface course paper adopts blue, green, pink or grey thick liquids coloring agent, the different thick liquids of surface course paper and bottom paper are by two different starching systems sizing shaping on two nets respectively, then cover when wet page and close together, through squeezing, the dry bilayer structure paper that forms two-layer different colours.
The preparation process of the bottom layer paper and the surface layer paper comprises the following steps: uniformly mixing wood pulp and a slurry coloring agent, wherein the mass ratio of the wood pulp to the slurry coloring agent is 100:0.1-0.2, the solid content of the wood pulp is 35-60%, preparing the mixture into a required color, then sizing and forming the mixture through a sizing system, combining bottom paper and surface paper which are sized and formed when the paper is wet, then squeezing the paper under the pressure of 5-10 kg for 30-60S, drying the paper, and stopping drying the paper until the water content of the paper is lower than 0.1%.
In other aspects of the invention, the following technical scheme is also disclosed: the paper with two-layer structure and different colors on two sides of the paper is produced by a paper machine with at least two nets and two sizing systems. The two layers of paper have different dyeing components, and the bottom layer of paper is colored paper, such as blue, green, pink, gray and the like. The surface paper is blue, green, pink and gray, the color of the surface paper is different from that of the bottom paper, different sizing agents of the surface paper and the bottom paper are respectively sized and formed on two nets by two different sizing systems, then the surface paper and the bottom paper are attached together when the surface paper and the bottom paper are wet, and two layers of double-layer structure paper with different colors are formed by squeezing and drying.
The invention has the beneficial effects that: aiming at the defects of poor folding resistance, environmental pollution caused by coating (opposite mounting) glue, large loss and easy stripping of products obtained by the conventional preparation process, the invention provides a novel process for improving the original process, and the prepared double-layer structure paper, the bottom layer paper and the face paper are all colored paper and have good artistic effect.
Detailed Description
The invention will be described in detail with reference to specific embodiments, in which the double-sided color double-layer structure paper of the embodiment includes bottom layer paper and surface layer paper, the bottom layer paper and the surface layer paper are both color paper, the colors of the bottom layer paper and the surface layer paper are different, and the bottom layer paper and the surface layer paper are prepared from softwood pulp or hardwood pulp.
The density of the surface layer paper is 50-300 g/square meter, and the density of the bottom layer paper is 50-300 g/square meter.
The utility model provides a manufacturing technology of two-sided colour bilayer structure paper, by two at least nets, the paper machine production of two sets of starching systems, the thick liquids coloring agent of bottom paper and surface course paper is different, bottom paper adopts blue, green, pink or grey thick liquids coloring agent, surface course paper adopts blue, green, pink or grey thick liquids coloring agent, the different thick liquids of surface course paper and bottom paper are by two different starching systems sizing shaping on two nets respectively, then cover when wet page and close together, through squeezing, the dry bilayer structure paper that forms two-layer different colours.
The preparation process of the bottom layer paper and the surface layer paper comprises the following steps: uniformly mixing wood pulp and a slurry coloring agent, wherein the mass ratio of the wood pulp to the slurry coloring agent is 100:0.1-0.2, the solid content of the wood pulp is 35-60%, preparing the mixture into a required color, then sizing and forming the mixture through a sizing system, combining bottom paper and surface paper which are sized and formed when the paper is wet, then squeezing the paper under the pressure of 5-10 kg for 30-60S, drying the paper, and stopping drying the paper until the water content of the paper is lower than 0.1%.
Example 1
The utility model provides a two-sided colour bilayer structure paper, its includes bottom paper and surface course paper, bottom paper and surface course paper be chromatic paper, the colour of bottom paper and surface course paper is different, bottom paper and surface course paper adopt softwood pulp to form as raw materials preparation.
The density of the surface layer paper is 120g per square meter, and the density of the bottom layer paper is 135g per square meter.
The utility model provides a manufacturing technology of two-sided colour bilayer structure paper, by two at least nets, the paper machine production of two sets of starching systems, the thick liquids coloring agent of bottom paper and surface course paper is different, bottom paper adopts pink thick liquids coloring agent, surface course paper adopts blue thick liquids coloring agent, the different thick liquids of surface course paper and bottom paper are by two different starching systems respectively at two net starching shaping, then cover when wet page and close together, through squeezing, the dry bilayer structure paper that forms two-layer different colours.
The preparation process of the bottom layer paper and the surface layer paper comprises the following steps: uniformly mixing wood pulp and a slurry coloring agent, wherein the mass ratio of the wood pulp to the slurry coloring agent is 100:0.15, the solid content of the wood pulp is 45%, preparing the mixture into a required color, then sizing and forming the mixture through a sizing system, combining bottom layer paper and surface layer paper which are sized and formed when the paper is wet, then squeezing the paper under the pressure of 8 kilograms for 50 seconds, then drying the paper, and stopping drying the paper until the moisture content of the paper is lower than 0.1%.
Example 2
The utility model provides a two-sided colour bilayer structure paper, its includes bottom paper and surface course paper, bottom paper and surface course paper be chromatic paper, the colour of bottom paper and surface course paper is different, bottom paper and surface course paper adopt hardwood pulp to form as raw materials preparation.
The density of the surface layer paper is 200 g/square meter, and the density of the bottom layer paper is 200 g/square meter.
A manufacturing process of double-side color double-layer structure paper is produced by a paper machine with at least two nets and two sets of sizing systems, slurry coloring agents of bottom layer paper and surface layer paper are different, the bottom layer paper adopts a gray slurry coloring agent, the surface layer paper adopts a blue slurry coloring agent, different slurries of the surface layer paper and the bottom layer paper are sized and formed on the two nets respectively through two different sizing systems, then the two layers of double-layer structure paper with different colors are formed by pressing and drying the two layers of different sizing systems together when the paper is wet.
The preparation process of the bottom layer paper and the surface layer paper comprises the following steps: uniformly mixing wood pulp and a slurry coloring agent, wherein the mass ratio of the wood pulp to the slurry coloring agent is 100:0.13, the solid content of the wood pulp is 55%, preparing the mixture into a required color, then sizing and forming the mixture through a sizing system, combining bottom layer paper and surface layer paper which are sized and formed when the paper is wet, then squeezing the paper under the pressure of 9 kilograms for 45 seconds, drying the paper, and stopping drying the paper until the moisture content of the paper is lower than 0.1%.
Example 3
The utility model provides a two-sided colour bilayer structure paper, its includes bottom paper and surface course paper, bottom paper and surface course paper be chromatic paper, the colour of bottom paper and surface course paper is different, bottom paper and surface course paper adopt softwood pulp to form as raw materials preparation.
The density of the surface layer paper is 150g per square meter, and the density of the bottom layer paper is 155g per square meter.
The manufacturing process of the double-sided color double-layer structure paper is produced by a paper machine with at least two nets and two sets of sizing systems, slurry coloring agents of bottom layer paper and surface layer paper are different, the bottom layer paper adopts a green slurry coloring agent, the surface layer paper adopts a blue slurry coloring agent, different slurries of the surface layer paper and the bottom layer paper are respectively sized and formed on the two nets by two different sizing systems, then the two layers of double-layer structure paper with different colors are formed by pressing and drying the two layers of different sizing systems together when the paper is wet.
The preparation process of the bottom layer paper and the surface layer paper comprises the following steps: uniformly mixing wood pulp and a slurry coloring agent, wherein the mass ratio of the wood pulp to the slurry coloring agent is 100:0.17, the solid content of the wood pulp is 50%, preparing the mixture into a required color, then sizing and forming the mixture through a sizing system, combining bottom layer paper and surface layer paper which are sized and formed when the paper is wet, then squeezing the paper under the pressure of 10 kilograms for 50 seconds, then drying the paper, and stopping drying the paper until the moisture content of the paper is lower than 0.1%.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (4)
1. The utility model provides a two-sided colour bilayer structure paper which characterized in that: including bottom paper and surface course paper, bottom paper and surface course paper be color paper, the colour of bottom paper and surface course paper is different, bottom paper and surface course paper adopt softwood pulp or hardwood pulp to prepare as the raw materials and form.
2. A two-sided color two-layer structured paper according to claim 1, characterized in that: the density of the surface layer paper is 50-300 g/square meter, and the density of the bottom layer paper is 50-300 g/square meter.
3. A manufacturing process of double-sided color double-layer structure paper is characterized in that: the paper machine production by two at least nets, two sets of starching systems, the thick liquids coloring agent of bottom paper and surface course paper is different, bottom paper adopts blue, green, pink or grey thick liquids coloring agent, surface course paper adopts blue, green, pink or grey thick liquids coloring agent, the different thick liquids of surface course paper and bottom paper are by two different starching systems sizing shaping on two nets respectively, then cover when wet page and close together, through squeezing, the dry bilayer structure paper that forms two-layer different colours.
4. The manufacturing process of double-sided color double-layer structure paper according to claim 3, characterized in that: the preparation process of the bottom layer paper and the surface layer paper comprises the following steps: uniformly mixing wood pulp and a slurry coloring agent, wherein the mass ratio of the wood pulp to the slurry coloring agent is 100:0.1-0.2, the solid content of the wood pulp is 35-60%, preparing the mixture into a required color, then sizing and forming the mixture through a sizing system, combining bottom paper and surface paper which are sized and formed when the paper is wet, then squeezing the paper under the pressure of 5-10 kg for 30-60S, drying the paper, and stopping drying the paper until the water content of the paper is lower than 0.1%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910955132.2A CN110804904A (en) | 2019-10-09 | 2019-10-09 | Double-sided color double-layer structure paper and manufacturing process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910955132.2A CN110804904A (en) | 2019-10-09 | 2019-10-09 | Double-sided color double-layer structure paper and manufacturing process thereof |
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| Publication Number | Publication Date |
|---|---|
| CN110804904A true CN110804904A (en) | 2020-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910955132.2A Pending CN110804904A (en) | 2019-10-09 | 2019-10-09 | Double-sided color double-layer structure paper and manufacturing process thereof |
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| Country | Link |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1314516A (en) * | 2001-04-23 | 2001-09-26 | 李长增 | Method for producing outer paper of double layer fruit bag and product |
| CN104499344A (en) * | 2014-11-25 | 2015-04-08 | 南通新世纪机电有限公司 | Composite kraft paper manufacturing process |
| CN105386370A (en) * | 2015-11-20 | 2016-03-09 | 云南中烟工业有限责任公司 | Native wood pulp paperboard and preparation method thereof |
| CN109487632A (en) * | 2018-12-18 | 2019-03-19 | 山东凯丽特种纸股份有限公司 | It is a kind of to scald the double-layer structure paper and its production method for appearing background color thoroughly |
-
2019
- 2019-10-09 CN CN201910955132.2A patent/CN110804904A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1314516A (en) * | 2001-04-23 | 2001-09-26 | 李长增 | Method for producing outer paper of double layer fruit bag and product |
| CN104499344A (en) * | 2014-11-25 | 2015-04-08 | 南通新世纪机电有限公司 | Composite kraft paper manufacturing process |
| CN105386370A (en) * | 2015-11-20 | 2016-03-09 | 云南中烟工业有限责任公司 | Native wood pulp paperboard and preparation method thereof |
| CN109487632A (en) * | 2018-12-18 | 2019-03-19 | 山东凯丽特种纸股份有限公司 | It is a kind of to scald the double-layer structure paper and its production method for appearing background color thoroughly |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200218 |
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| RJ01 | Rejection of invention patent application after publication |