CN110978643A - Energy-saving and environment-friendly corrugated board production process - Google Patents
Energy-saving and environment-friendly corrugated board production process Download PDFInfo
- Publication number
- CN110978643A CN110978643A CN201911289142.3A CN201911289142A CN110978643A CN 110978643 A CN110978643 A CN 110978643A CN 201911289142 A CN201911289142 A CN 201911289142A CN 110978643 A CN110978643 A CN 110978643A
- Authority
- CN
- China
- Prior art keywords
- paper
- coating
- corrugated board
- production process
- base paper
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING 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
- B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
- B31F1/20—Corrugating; Corrugating combined with laminating to other layers
-
- 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
- D21H23/50—Spraying or projecting
-
- 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
-
- 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
- D21H27/40—Multi-ply at least one of the sheets being non-planar, e.g. crêped
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
- Paper (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
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, 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.
In step S3, the surface of the surface paper, the medium paper and the back paper is coated with the coating, which may be one-sided coating or double-sided coating.
Further, when the coating materials are sprayed on the surface of the surface paper, the medium paper and the back paper on both sides in the step S3, the amount of the coating materials sprayed on both the front and back sides 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/m2。
The invention has the beneficial effects that: 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 meaning of the above terms in the present invention can be understood in specific cases to 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 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;
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 of the above-described configuration is single-side sprayed by a spraying deviceSpraying 20g/m of the materials on the surface of the surface paper 1, the core paper 2 and the lining paper 32So 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/m2The reverse side spraying amount is 15g/m2Thus, the reinforced coatings 4 are formed on the front and back surfaces of the base paper, the tensile strength of the base paper with the reinforced coatings 4 is improved by about 15Nm/g compared with that of the base paper without the reinforced coatings 4, and the core paper 2 is bonded between the surface paper 1 and the lining paper 3 through the adhesive, so that the paper board 100 formed by the production process is formed.
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. And are neither required nor 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 is characterized by comprising 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, 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.
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/m2。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911289142.3A CN110978643B (en) | 2019-12-16 | 2019-12-16 | Energy-saving and environment-friendly corrugated board production process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911289142.3A CN110978643B (en) | 2019-12-16 | 2019-12-16 | Energy-saving and environment-friendly corrugated board production process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110978643A true CN110978643A (en) | 2020-04-10 |
| CN110978643B CN110978643B (en) | 2022-09-09 |
Family
ID=70093764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911289142.3A Active CN110978643B (en) | 2019-12-16 | 2019-12-16 | Energy-saving and environment-friendly corrugated board production process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110978643B (en) |
Citations (7)
| 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 |
| CN103266536A (en) * | 2013-04-23 | 2013-08-28 | 浙江理工大学 | Preparation method and use of paper surface sizing agent |
| CN103590281A (en) * | 2012-08-14 | 2014-02-19 | 金东纸业（江苏）股份有限公司 | Surface sizing solution, and surface sizing solution used sized paper |
| 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 |
| CN105780589A (en) * | 2016-02-02 | 2016-07-20 | 浙江理工大学 | Preparation method for cation nanocrystalline cellulose enhanced papermaking surface sizing agent |
| CN106915123A (en) * | 2017-04-17 | 2017-07-04 | 宁波和宝盛包装有限公司 | A kind of corrugated board production technique of energy-conserving and environment-protective |
| 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 |
-
2019
- 2019-12-16 CN CN201911289142.3A patent/CN110978643B/en active Active
Patent Citations (7)
| 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 |
| CN103590281A (en) * | 2012-08-14 | 2014-02-19 | 金东纸业（江苏）股份有限公司 | Surface sizing solution, and surface sizing solution used sized paper |
| CN103266536A (en) * | 2013-04-23 | 2013-08-28 | 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 |
| CN105780589A (en) * | 2016-02-02 | 2016-07-20 | 浙江理工大学 | Preparation method for cation nanocrystalline cellulose enhanced papermaking surface sizing agent |
| CN106915123A (en) * | 2017-04-17 | 2017-07-04 | 宁波和宝盛包装有限公司 | A kind of corrugated board production technique of energy-conserving and environment-protective |
| 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 |
Non-Patent Citations (8)
| Title |
|---|
| （芬）潘朱尼: "《纸张颜料涂布与表面施胶》", 31 May 2019, pages: 356 * |
| 中国印刷及设备器材工业协会编: "《印刷科技实用手册 上》", 30 April 1992, pages: 512 - 513 * |
| 刘全祖等: "氧化交联淀粉取代丁苯胶乳对涂布纸性能的影响", 《造纸科学与技术》 * |
| 刘全祖等: "氧化交联淀粉取代丁苯胶乳对涂布纸性能的影响", 《造纸科学与技术》, no. 03, 15 June 2017 (2017-06-15) * |
| 欧阳昌礼等: "纳米微纤化纤维素在纸张增强与涂布中的应用", 《中国造纸学报》 * |
| 欧阳昌礼等: "纳米微纤化纤维素在纸张增强与涂布中的应用", 《中国造纸学报》, no. 04, 15 December 2011 (2011-12-15) * |
| 郭幸等: "纳米微晶纤维素与CPAM、CS的协同增强与助留助滤作用", 《中华纸业》 * |
| 郭幸等: "纳米微晶纤维素与CPAM、CS的协同增强与助留助滤作用", 《中华纸业》, no. 06, 23 March 2013 (2013-03-23) * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110978643B (en) | 2022-09-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110344279B (en) | Wear-resistant high-strength corrugated board and preparation method thereof | |
| CN101429739A (en) | Ultra-low quantitative high-strength corrugated base paper production method and products produced thereby | |
| CN105484094A (en) | Low-gram-weight kraft paper produced from reclaimed waste paper and production process | |
| CN110629582A (en) | Preparation method of high-strength corrugated base paper | |
| CN101818465B (en) | Process for making light-weight high-strength common gypsum board mask paper | |
| CN105398180A (en) | Corrugated board production method and apparatus thereof | |
| CN108130783A (en) | A kind of synthesis pulping technique for assigning the high folding strength of coated white paperboard | |
| CN110253966A (en) | Production process of high-strength corrugated cardboards | |
| CN110978643B (en) | Energy-saving and environment-friendly corrugated board production process | |
| CN109677085A (en) | The production technology of corrugated board and corrugated case | |
| CN106379032A (en) | Production process for high-strength corrugated board | |
| CN109130332A (en) | A kind of manufacture craft of useless corrugated paper recycling and reusing | |
| US6783623B2 (en) | Method of making a dry bonded paperboard structure | |
| CN104099037A (en) | Preparation method of adhesive for FSC (forest stewardship council) corrugated board | |
| CN111497323A (en) | Forming process of high-strength waterproof and antistatic composite packaging carton | |
| CN111349409B (en) | Preparation process of corrugated board starch adhesive | |
| CN106480784B (en) | The manufacture method and cover strip of cover strip body paper, cover strip body paper | |
| CN111235940A (en) | Preparation method of core layer slurry, base paper, paperboard and paper machine | |
| CN110373952A (en) | It is a kind of to recycle the production technology for making corrugated paper again | |
| CN113564951A (en) | High-strength compression-resistant corrugated carton | |
| CN103225239A (en) | Manufacturing method of high-interlayer bonding strength high-deflection thin paperboard | |
| CN110239150A (en) | Pressure resistant type corrugated board production technique | |
| CN105951533A (en) | Method for producing wallpaper by utilizing recycled raw paper | |
| JP2008285768A (en) | Method for producing woody fiberboard | |
| CN112575615A (en) | Preparation method of low-basis-weight high-wet-strength fine dried noodle cardboard paper |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210712 Address after: 361100 No.19, Wulu Road, industrial concentration zone, Tong'an District, Xiamen City, Fujian Province Applicant after: Xiamen shikaiwei Packaging Industry Co.,Ltd. Address before: No.15 Xiasheng Road, Suzhou Industrial Park, Suzhou City, Jiangsu Province Applicant before: INTERNATIONAL PAPER (SUZHOU) PACKAGING Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |