CN110978643B - Energy-saving and environment-friendly corrugated board production process - Google Patents

Energy-saving and environment-friendly corrugated board production process Download PDF

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Publication number
CN110978643B
CN110978643B CN201911289142.3A CN201911289142A CN110978643B CN 110978643 B CN110978643 B CN 110978643B CN 201911289142 A CN201911289142 A CN 201911289142A CN 110978643 B CN110978643 B CN 110978643B
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paper
coating
corrugated board
production process
base paper
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CN201911289142.3A
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CN110978643A (en
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刘武
李红俊
倪玄
薛影
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Xiamen Shikaiwei Packaging Industry Co ltd
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Xiamen Shikaiwei Packaging Industry Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B31MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31FMECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F1/00Mechanical deformation without removing material, e.g. in combination with laminating
    • B31F1/20Corrugating; Corrugating combined with laminating to other layers
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP 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
    • D21H23/00Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22Addition to the formed paper
    • D21H23/50Spraying or projecting
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP 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
    • D21H25/00After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
    • D21H25/04Physical treatment, e.g. heating, irradiating
    • D21H25/06Physical treatment, e.g. heating, irradiating of impregnated or coated paper
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP 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
    • D21H27/00Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/30Multi-ply
    • D21H27/40Multi-ply at least one of the sheets being non-planar, e.g. crêped
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W90/00Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
    • Y02W90/10Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
  • Paper (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention discloses an energy-saving and environment-friendly corrugated board production process, which comprises the following steps: s1, preparing a coating, S2, installing base paper, S3, spraying the coating, S4, preheating the base paper, S5, forming core paper, S6, gluing and compounding, S7, drying and shaping, and S8, forming. The invention sprays a layer of reinforced coating on the surface of the surface paper, the core paper and the lining paper, and then the surface paper, the core paper and the lining paper are glued and compounded into the corrugated board, and under the combined action of the effective components of the reinforced coating, the strength of the obtained corrugated board is higher than that of the corrugated board which is not treated by the reinforced coating and has the same gram weight, so that the mechanical strength of the base paper with large consumption of recycled fibers can be well improved, the consumption of the recycled fibers is increased, the consumption of new fiber materials is reduced, meanwhile, the used coating is water-based coating, the components are renewable plant raw materials, and the production process of the corrugated board is more energy-saving and environment-friendly.

Description

Energy-saving and environment-friendly corrugated board production process
Technical Field
The invention belongs to the technical field of corrugated board manufacturing, and particularly relates to an energy-saving and environment-friendly corrugated board production process.
Background
The corrugated paper package is a package box formed by folding, bonding and other processes of corrugated boards, and has the advantages of environmental protection, easy recycling, easy processing and forming and the like. Along with the rapid development of the e-commerce and express delivery industries, the consumption of express delivery packages is rapidly increased, the requirements for corrugated packages and corrugated boards are also rapidly increased, and therefore the consumption of related raw materials and energy is also correspondingly increased. The corrugated board serving as an environment-friendly packaging material is 100% recyclable, but as the number of times of the sequence of the fibers of the corrugated board increases, the content of the recycled fibers in the corrugated board increases, the strength of the produced paper board is reduced, and the strength requirement of the paper box is met.
Therefore, an energy-saving and environment-friendly corrugated board production process is needed to solve the above problems.
Disclosure of Invention
The invention aims to provide an energy-saving and environment-friendly corrugated board production process, which aims to overcome the defects of the prior art and adopts the following technical scheme for realizing the aim:
an energy-saving and environment-friendly corrugated board production process comprises the following steps:
s1, preparing a coating, which comprises the following specific steps:
s11, adding 100 parts of deionized water into a coating preparation barrel according to parts by weight, starting a stirrer to stir at the rotating speed of 600rpm/min, slowly adding 0.5-1 part of cationic starch, and stirring for 20-30min to fully disperse the cationic starch in the deionized water to obtain a cationic starch dispersion liquid;
s12, continuously stirring at the rotating speed of 600rpm/min in the dispersion liquid obtained in the step S11, adding 0.02-0.03 part of nano-crystalline cellulose suspension, and stirring for 20-30min to obtain a mixed dispersion liquid of cationic starch and nano-crystalline cellulose;
s13, treating the dispersion liquid obtained in the step S12 for 20-40min by ultrasonic waves;
s14, heating, stirring and pasting the dispersion liquid subjected to ultrasonic treatment in the step S13 to obtain the required coating, wherein the heating temperature is 75-85 ℃, the stirring speed is 600-700rpm/min, and the heating and stirring time is 10-15 min;
s2, installing base paper, namely installing the base paper of the surface paper, the core paper and the lining paper on corresponding paper frames and continuously connecting the base paper to the tail end of a roll of the base paper wound on the paper guide roll;
s3, coating spraying, namely loading the coating prepared in the step S1 into a spraying device, and uniformly spraying the coating on the surface of the base paper by the spraying device;
s4, preheating base paper, namely drawing the base paper on the paper frame to a heating roller for preheating, drying the coating sprayed on the base paper in the preheating process, and forming a layer of reinforced coating on the surface of the base paper;
s5, core paper forming, namely pressing the preheated base paper of the core paper by a single-side machine to form the required corrugated core paper;
s6, gluing and compounding, namely uniformly coating an adhesive on one side of the surface paper and the lining paper which are required to be compounded with the core paper, and gluing and compounding the surface paper, the core paper and the lining paper together through the adhesive from top to bottom to form a corrugated board;
s7, drying and shaping, namely drying and shaping the corrugated board formed in the step S5 through a drying oven;
and S8, forming, namely cutting the dried and shaped corrugated board in the step S6 into the required corrugated board by using a longitudinal and transverse cutting machine according to the required size.
Further, in step S3, the surface of the surface paper, the medium paper and the backing paper is sprayed with the coating, which may be single-side spraying or double-side spraying.
Further, when the coating materials are sprayed on both surfaces of the surface paper, the medium paper and the backing paper in the step S3, the amount of the coating materials sprayed on both the front and back surfaces may be the same or different.
Further, in the step S3, the surface of the surface paper, the medium paper and the lining paper is sprayed with the coating material, and the spraying amount is 10-30g/m 2
The beneficial effects of the invention are: the invention sprays a layer of reinforced coating on the surface of the surface paper, the core paper and the lining paper, and then the surface paper, the core paper and the lining paper are glued and compounded into the corrugated board, and under the combined action of the effective components of the reinforced coating, the strength of the obtained corrugated board is higher than that of the corrugated board which is not treated by the reinforced coating and has the same gram weight, so that the mechanical strength of the base paper with large consumption of recycled fibers can be well improved, the consumption of the recycled fibers is increased, the consumption of new fiber materials is reduced, meanwhile, the used coating is water-based coating, the components are renewable plant raw materials, and the production process of the corrugated board is more energy-saving and environment-friendly.
Drawings
Fig. 1 is a schematic structural diagram of a paperboard of a first embodiment of the energy-saving and environment-friendly corrugated paperboard production process of the invention.
Fig. 2 is a schematic structural diagram of a second energy-saving and environment-friendly corrugated board production process embodiment of the invention.
In the figure: 100. paperboard, 1. face paper, 2. medium paper, 3. lining paper and 4. reinforcing coating.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent;
for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The specific meanings of the above terms in the present invention can be understood as specific cases by those skilled in the art. The technical solution of the present invention is further described below with reference to the accompanying drawings and examples.
Example one
An energy-saving and environment-friendly corrugated board production process comprises the following steps:
s1, preparing a coating, which comprises the following specific steps:
s11, adding 100KG of deionized water into a coating preparation barrel according to parts by weight, starting a stirrer to stir at the rotating speed of 600rpm/min, slowly adding 0.6KG of cationic starch, and stirring for 25min to fully disperse the cationic starch in the deionized water to obtain a cationic starch dispersion liquid;
s12, continuously stirring the dispersion liquid obtained in the step S11 at the rotating speed of 600rpm/min, adding 0.015KG of nano-crystalline cellulose suspension, and stirring for 20min to obtain a mixed dispersion liquid of cationic starch and nano-crystalline cellulose;
s13, carrying out ultrasonic treatment on the dispersion liquid obtained in the step S12 for 30min, wherein the ultrasonic treatment power is 1000 w;
s14, heating, stirring and pasting the dispersion liquid subjected to ultrasonic treatment in the step S13 to obtain a required coating, wherein the heating temperature is 80 ℃, the stirring speed is 600rpm/min, and the heating and stirring time is 12 min;
s2, installing base paper, namely installing the base paper of the surface paper, the core paper and the lining paper on a corresponding paper frame and continuously connecting the base paper to the tail end of a roll of base paper wound on a paper guide roll;
s3, coating spraying, namely loading the coating prepared in the step S1 into a spraying device, and uniformly spraying the coating on the surface of the base paper by the spraying device;
s4, preheating base paper, namely drawing the base paper on the paper frame to a heating roller for preheating, drying the coating sprayed on the base paper in the preheating process, and forming a layer of reinforced coating on the surface of the base paper;
s5, forming core paper, namely pressing and forming the preheated core paper base paper into the required corrugated core paper by a single-side machine;
s6, gluing and compounding, namely uniformly coating an adhesive on one side of the surface paper and the lining paper which are required to be compounded with the core paper, and gluing and compounding the surface paper, the core paper and the lining paper together through the adhesive from top to bottom to form a corrugated board;
s7, drying and shaping, namely drying and shaping the corrugated board formed in the step S5 through a drying oven;
and S8, forming, namely cutting the dried and shaped corrugated board in the step S6 into the required corrugated board by using a longitudinal and transverse cutting machine according to the required size.
As shown in FIG. 1, in the present embodiment, the coating material prepared as described above was sprayed on one surface of the face paper 1, the core paper 2 and the back paper 3 by a spraying device in an amount of 20g/m 2 So as to form the reinforced coating layer 4 on the base paper, so that the tensile strength of the base paper with the reinforced coating layer 4 is improved by about 10Nm/g compared with the tensile strength of the base paper without the reinforced coating layer 4, and then the core paper 2 is bonded between the surface paper 1 and the lining paper 3 through the adhesive, thereby forming the paper board 100 formed by the production process of the invention.
Example two
As shown in fig. 2, the coating formulation and production process of the first embodiment are adopted in this embodiment, except that: in this embodiment, the coating materials prepared as described above are applied to the front and back surfaces of the face paper 1, the core paper 2 and the back paper 3 by double-side spraying by a spraying device, the side of the face paper 1 and the back paper 3 to be combined with the core paper 2 is defined as the back surface, and the amount of the front surface is 20g/m 2 The reverse side spraying amount is 15g/m 2 Thereby forming the reinforcing coating on the front and back surfaces of the base paperThe layer 4, which increases the tensile strength of the base paper with the reinforced coating 4 by about 15Nm/g compared with the base paper without the reinforced coating 4, and then the core paper 2 is bonded between the surface paper 1 and the lining paper 3 through the adhesive, thereby forming the paper board 100 formed by the production process of the invention.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (4)

1. An energy-saving and environment-friendly corrugated board production process comprises the steps of S1, coating preparation; s2, installing base paper, namely installing the base paper of the surface paper, the core paper and the lining paper on corresponding paper frames and continuously connecting the base paper to the tail end of a roll of the base paper wound on the paper guide roll; s3, coating spraying, namely loading the coating prepared in the step S1 into a spraying device, and uniformly spraying the coating on the surface of the base paper by the spraying device; s4, preheating base paper, namely drawing the base paper on the paper frame to a heating roller for preheating, drying the coating sprayed on the base paper in the preheating process, and forming a layer of reinforced coating on the surface of the base paper; s5, forming core paper, namely pressing and forming the preheated core paper base paper into the required corrugated core paper by a single-side machine; s6, gluing and compounding, namely uniformly coating an adhesive on one side of the surface paper and the lining paper which are required to be compounded with the core paper, and gluing and compounding the surface paper, the core paper and the lining paper together through the adhesive from top to bottom to form a corrugated board;
s7, drying and shaping, namely drying and shaping the corrugated board formed in the step S5 through a drying oven; s8, forming, namely cutting the corrugated board dried and shaped in the S6 into the required corrugated board by using a longitudinal and transverse cutting machine according to the required size, and is characterized in that: in the step S1, the paint configuration specifically includes the following steps:
s11, adding 100 parts of deionized water into a coating preparation barrel according to parts by weight, starting a stirrer to stir at a rotating speed of 600rpm, slowly adding 0.5-1 part of cationic starch, and stirring for 20-30min to fully disperse the cationic starch in the deionized water to obtain a cationic starch dispersion liquid;
s12, continuously stirring at the rotating speed of 600rpm in the dispersion liquid obtained in the step S11, adding 0.02-0.03 part of nano-crystalline cellulose suspension, and stirring for 20-30min to obtain a mixed dispersion liquid of cationic starch and nano-crystalline cellulose;
s13, treating the dispersion liquid obtained in the step S12 for 20-40min by ultrasonic waves;
s14, heating, stirring and pasting the dispersion liquid subjected to ultrasonic treatment in the step S13 to obtain the required coating, wherein the heating temperature is 75-85 ℃, the stirring speed is 600-700rpm, and the heating and stirring time is 10-15 min.
2. The production process of the energy-saving and environment-friendly corrugated board as claimed in claim 1, wherein the production process comprises the following steps: in step S3, the surface of the surface paper, the core paper and the backing paper is coated with the coating, which may be single-side coating or double-side coating.
3. The production process of the energy-saving and environment-friendly corrugated board as claimed in claim 1, wherein the production process comprises the following steps: when the coating is sprayed on both surfaces of the surface paper, the medium paper and the back paper in the step S3, the amount of the coating sprayed on both the front and back surfaces may be the same or different.
4. The production process of the energy-saving and environment-friendly corrugated board as claimed in claim 1, wherein the production process comprises the following steps: in the step S3, the surface of the surface paper, the medium paper and the lining paper is sprayed with the coating, and the spraying amount is 10-30g/m 2
CN201911289142.3A 2019-12-16 2019-12-16 Energy-saving and environment-friendly corrugated board production process Active CN110978643B (en)

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CN110978643B true CN110978643B (en) 2022-09-09

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Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102057105A (en) * 2008-04-03 2011-05-11 英文蒂亚有限责任公司 Composition for coating of printing paper
CN103590281B (en) * 2012-08-14 2015-12-16 金东纸业(江苏)股份有限公司 Table glue and apply the sized paper of this table glue
CN103266536B (en) * 2013-04-23 2015-01-28 浙江理工大学 Preparation method and use of paper surface sizing agent
CN105507073A (en) * 2016-01-18 2016-04-20 苏州科柏印刷包装材料有限公司 Production process for corrugated paperboard
CN105780589B (en) * 2016-02-02 2018-06-01 浙江理工大学 The preparation method of the paper surface-sizing agent of cation nanometer microcrystalline cellulose enhancing
CN106915123B (en) * 2017-04-17 2019-06-11 宁波和宝盛包装有限公司 A kind of energy-saving and environment-friendly corrugated board production technique
CN108708207A (en) * 2018-05-25 2018-10-26 华南理工大学 A kind of environmentally friendly Cypres and the preparation method and application thereof improving paper smoothness and barrier property

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Effective date of registration: 20210712

Address after: 361100 No.19, Wulu Road, industrial concentration zone, Tong'an District, Xiamen City, Fujian Province

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