CN113832775A - Environment-friendly orange bubble bag envelope paper and preparation method thereof - Google Patents

Environment-friendly orange bubble bag envelope paper and preparation method thereof Download PDF

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Publication number
CN113832775A
CN113832775A CN202110835907.XA CN202110835907A CN113832775A CN 113832775 A CN113832775 A CN 113832775A CN 202110835907 A CN202110835907 A CN 202110835907A CN 113832775 A CN113832775 A CN 113832775A
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pulp
paper
slurry
environment
concentration
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CN113832775B (en
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刘文波
肖寒
张润林
贲晓兰
彭卓鹏
陈丹雄
王成
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Guangzhou Papermaking Co ltd
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Guangzhou Papermaking Co ltd
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    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/10—Packing paper
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • D21B1/30—Defibrating by other means
    • D21B1/32—Defibrating by other means of waste paper
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • D21B1/30—Defibrating by other means
    • D21B1/32—Defibrating by other means of waste paper
    • D21B1/325—Defibrating by other means of waste paper de-inking devices
    • D21B1/327—Defibrating by other means of waste paper de-inking devices using flotation devices
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • D21B1/30—Defibrating by other means
    • D21B1/34—Kneading or mixing; Pulpers
    • D21B1/342—Mixing apparatus
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • D21B1/30—Defibrating by other means
    • D21B1/34—Kneading or mixing; Pulpers
    • D21B1/345—Pulpers
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • D21C5/02—Working-up waste paper
    • D21C5/025—De-inking
    • D21C5/027—Chemicals therefor
    • 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
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D21H11/02—Chemical or chemomechanical or chemothermomechanical pulp
    • 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
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D21H11/14—Secondary fibres
    • 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
    • D21H17/03—Non-macromolecular organic compounds
    • D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
    • D21H17/17—Ketenes, e.g. ketene dimers
    • 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
    • D21H17/29—Starch cationic
    • 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
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/35—Polyalkenes, e.g. polystyrene
    • 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
    • D21H21/10—Retention agents or drainage improvers
    • 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
    • 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
    • D21H21/16—Sizing or water-repelling agents
    • 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
    • D21H21/18—Reinforcing agents
    • 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
    • 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
    • D21H21/36—Biocidal agents, e.g. fungicidal, bactericidal, insecticidal agents
    • 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
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/64—Paper recycling

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  • Engineering & Computer Science (AREA)
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  • Wood Science & Technology (AREA)
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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
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Abstract

The invention belongs to the technical field of paper product preparation, and particularly discloses environment-friendly orange bubble bag envelope paper and a preparation method thereof. The invention uses the mixed fiber raw materials of chemi-mechanical pulp and whitening waste paper to prepare the environment-friendly orange bubble bag envelope paper. The paper can replace paper made by fully bleached sulfate wood pulp, and is made by using internal sizing, enhanced chemical industry and a specific dye compounding process, so that the environment-friendly, orange-system and high-strength bubble sack paper is prepared, and the orange hue is close to that of a full wood pulp paper product.

Description

Environment-friendly orange bubble bag envelope paper and preparation method thereof
Technical Field
The invention belongs to the technical field of paper product preparation, and particularly relates to environment-friendly orange bubble bag envelope paper and a preparation method thereof.
Background
The materials used for domestic express packages, envelope bags and the like in China are bubble bag envelope paper, and the requirements for the bubble bag envelope paper are as follows: 1) one surface is a paper bag appearance surface and is required to have better printability, the other surface is an inner side surface, plastic bubble pads are coated on the inner side surface through gluing for buffering the damage effect of external force on the contents, and the surface needs to be smooth to a certain degree. 2) For envelope paper applications, it is also desirable to have good burst index, tensile index, tear index, ring crush index and sizing degree, 3) the hue of the paper is orange. Currently, manufacturers mainly use 80 grams of kraft paper from imported whole wood pulp as the material used, and produce orange colors having L values greater than 70, a values greater than 19, and B values greater than 54. To achieve this hue range, the paper grade needs bleached sulfate coniferous or broad leaf pulp as the raw material, which, because of its higher whiteness, can supplement the ISO whiteness lost largely to achieve the orange hue. The price of fiber raw materials and dyes is high, so that the envelope paper depending on the primary pulp sheet is produced, the cost is high, and the environmental protection benefit is poor.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention mainly aims to provide a preparation method of environment-friendly orange bubble bag envelope paper.
The invention also aims to provide the environment-friendly orange bubble bag envelope paper prepared by the method.
The purpose of the invention is realized by the following scheme:
a preparation method of environment-friendly orange bubble bag envelope paper comprises the following steps:
(1) preparation of deinking pulp
Feeding the whitened waste paper into a drum pulper to obtain pulp, controlling the pH of the pulp to be alkaline, adding a surfactant and removing impurities; feeding the slurry subjected to impurity removal into a front flotation tank, adding industrial soap, diluting the slurry, and screening out ink particles; concentrating the residual slurry, reducing the particle size dispersion of the residual ink and the adhesive through thermal dispersion, then entering a rear floating tank, diluting the slurry again, screening out ink particles again, and concentrating the slurry to obtain deinked slurry;
(2) preparation of environment-friendly orange bubble bag envelope paper
Adding a neutral sizing agent, a dry strength agent, an auxiliary agent and a dye into deinked pulp, removing slag and exhausting gas of the obtained pulp, removing solid impurities by a paper machine pressure screen, diluting the pulp, uniformly mixing, dehydrating and drying, and ironing the surface of a paper sheet by using a calender to obtain the environment-friendly orange bubble bag envelope paper.
The waste paper in the step (1) is newspaper in China, office waste paper in China and forest paper (offset printing paper) in hong Kong.
The control temperature of the drum pulper in the step (1) is 70-80 ℃;
the mass concentration of the slurry obtained after the slurry is fed into the rotary drum shredder in the step (1) is 18-22 wt%, and the mass concentration is preferably 20 wt%.
And (2) the pH value of the slurry in the step (1) is 8-8.5. Preferably, the pH is adjusted to 8-8.5 by adding caustic soda. More preferably, sodium silicate is added to maintain stable pH of the slurry, and the mass ratio of the sodium silicate to the caustic soda is 1-4: 1, preferably 2: 1.
The surfactant in the step (1) is a surfactant for papermaking, is different from newspaper waste paper deinking agents and the like, takes an anionic surfactant as a main component, adopts a nonionic surfactant as a main component, preferably at least one of alkylphenol ethoxylates, fatty alcohol polyoxyethylene ether, polyoxyethylene sorbitan fatty acid ester and the like, and has a mass ratio of the surfactant to slurry after air drying (130-) -170: 1000000.
Hydrogen peroxide can be added before the surfactant is added in the step (1), and the mass ratio of the hydrogen peroxide to the slurry after air drying is 1-2: 100, respectively;
the impurity removal in the step (1) is preferably to remove large-size impurities, fine stickies, gummy threads and the like from the pulp through a planting slag remover, a primary sieve and a fine sieve.
The industrial soap in the step (1) is a solid industrial soap with the fatty acid content of more than 75%, and the mass ratio of the industrial soap to the slurry after air drying is 1-1.5: 100.
the concentration of the diluted slurry in the step (1) is 1-1.3 wt%; the concentration of the slurry after the first concentration is 25 wt% -30 wt%, and preferably 25 wt% -28 wt%.
The heat dispersion in the step (1) is to control the specific energy consumption to be 60-70 KWh/ton pulp;
the concentration of the slurry after re-dilution in the step (1) is 1-1.3 wt%; the concentration after the second concentration is 20 to 26 weight percent, and the optimal concentration is 23 to 25 weight percent.
After the deinked pulp is obtained in the step (1), 0-1.5 wt% of hydrogen peroxide can be added to improve the whiteness of the pulp.
The neutral sizing agent in the step (2) is Alkyl Ketene Dimer (AKD); the dosage of the neutral sizing agent is 10-25 kg/ton sizing agent.
The dry strength agent in the step (2) can be at least one of synthetic dry strength agent, starch derivative and natural gum, and is more preferably at least one of amphoteric polypropylene, cationic starch and guar gum; the dosage of the dry strength agent is 3-20 kg/ton of slurry.
The auxiliary agent in the step (2) is at least one of retention aid, filler, defoaming agent, bactericide and fixing agent.
The dye in the step (2) is Chinese red dye negative direct dye and direct yellow dye. The Chinese red dye is 0.2-0.4 wt% and the direct yellow dye is 4.2-4.8 wt%.
And (3) the gas content in the slurry after the gas is exhausted in the step (2) is less than 0.1%.
The concentration of the slurry diluted in the step (2) is 0.5 wt% -0.8 wt%.
And (2) dehydrating and drying specifically, dehydrating the pulp through a net part until the dryness of the pulp reaches more than 18%, dehydrating the pulp in a squeezing part with three-roller two-pressing and independent three-pressing until the dryness of the pulp reaches more than 42%, and drying to obtain the environment-friendly orange bubble bag envelope paper.
Preferably, the preparation of the environment-friendly orange bubble bag envelope paper in the step (2) can also add raw pulp, which specifically comprises the following steps:
sending the blocky or wet chemi-mechanical pulp into a pulp board pulper to obtain pulped pulp with the concentration of 4-5 wt%, then sending the pulped pulp into a latency pool to spread chemi-mechanical pulp fibers, then sending the chemi-mechanical pulp into a pulp board fluffer, beating the pulped pulp by a pulping machine to 30-35 DEG SR, and obtaining raw pulp; and (3) mixing the mixture with deinking pulp, and then performing the step (2) to obtain the environment-friendly orange bubble bag envelope paper.
The mass ratio of the deinking pulp to the raw pulp is 70-90: 10-30; preferably 80: 20.
an environment-friendly orange bubble bag envelope paper is prepared through the steps.
Compared with the prior art, the invention has the following advantages and beneficial effects:
the invention relates to environment-friendly orange bubble bag envelope paper prepared by mixing chemical-mechanical pulp and whitening waste paper with fiber raw materials. The paper can replace paper made by fully bleached sulfate wood pulp, and is made by using internal sizing, enhanced chemical industry and a specific dye compounding process, so that the environment-friendly, orange-system and high-strength bubble sack paper is prepared, and the orange hue is close to that of a full wood pulp paper product.
Drawings
FIG. 1 is a flow chart of a process for preparing environment-friendly orange bubble bag envelope paper
FIG. 2 is a flow chart of a process for making paper in the envelope paper of the environment-friendly orange bubble bag
Detailed Description
The present invention will be described in further detail with reference to examples and drawings, but the embodiments of the present invention are not limited thereto.
The reagents used in the examples are commercially available without specific reference.
The pulp preparation process is divided into deinked pulp preparation and virgin pulp preparation. In the deinking pulp preparation process, firstly, the packed waste paper is scattered through a loose bag 1, unusable substances and OCC are manually sorted out, because the paper mainly is whitened waste paper, the waste paper is required to be cut off by glue heads of book impurities to prevent the waste paper from being mixed into a rear section, then the waste paper enters a drum pulper through a chain plate, the drum pulper is controlled at the temperature of 60-75 ℃, caustic soda is added to control the pH value to be 8-8.5, the mass ratio of sodium silicate to caustic soda is 2:1, the pulp concentration of the drum pulper is 20%, hydrogen peroxide is added to be 0-1.0% (namely not added), a surfactant is added, large-size unusable substances and fine sticky substances are removed through a heavy residue remover, a coarse screen and a fine screen, the glue filaments are mainly treated, industrial soap is added when the waste paper enters a front flotation tank, the concentration is controlled to be 1-1.3%, ink particles are floated and concentrated to be 25-28%, the specific energy consumption is controlled through thermal dispersion to be 60-70 KWh/ton pulp, dispersing residual ink and stickies to basically harmless particle size level, controlling concentration to be 1.0% when entering a rear floating tank, floating out ink particles for the second time, concentrating to 23-25% concentration through a two-stage screw press to obtain deinked pulp with an ERIC value less than 200, adding 0-1.5% into a bleaching tower to improve whiteness, and placing into a deinked pulp storage tower.
In the primary pulp preparation process, firstly, block-shaped or chemi-mechanical pulp is pushed into a pulp board pulper by a cart or a chain plate feeding mode, the pulping concentration is 4-5%, then the pulp enters an optional latency pool, chemi-mechanical pulp fibers are spread and stored in a pulp board coarse pulp tower, then the pulp enters a pulp board fluffer, and pulping and beating are carried out to 30-35oSR by a pulping machine and then the pulp is placed in a primary pulp tower.
Deinked pulp enters a deinking pulp tank from a deinking pulp storage tower, the virgin pulp enters a mixed pulp tank from a virgin pulp board tower to be mixed with deinked pulp, the deinked pulp passes through a pulping tank, a neutral sizing agent is added to meet the requirement of a water absorption value, a dry strength agent and an auxiliary agent are added to increase the paper strength, then a fan pump is mixed with white water to form thin pulp, Chinese red dye negative direct dye 0.2-0.4% and direct yellow dye 4.2-4.8% are added, the obtained pulp is conveyed into a slag separator to further remove slag, then residual air in the pulp is separated in the gas separator, the air content of the pulp is reduced to be below 0.1%, the degassed pulp flows into a paper machine pressure screen under the action of gravity to remove final solid impurities, then the pulp is conveyed to a head box to dilute the pulp to the concentration of 0.5-0.8%, a pulp distribution pipe is used to form uniform pulp flow, and the two sides of a long net and a top net are formed in a net part, the dryness of the net outlet part after dehydration reaches more than 18 percent, the net outlet part is dehydrated in a pressing part with three-roller double pressing and independent three pressing to reach more than 42 percent dryness, then the paper is dried in a drying part to reach the required paper moisture, then a calender is used for ironing the surface of the paper sheet, a winder is used for reeling, after rewinding and slitting by a rewinder, a kraft paper packaging material is required to be added at a packaging machine to prevent the moisture absorption of the finished paper, and finally the finished paper is put into a warehouse.
Example 1
According to the pulp preparation process and the base paper preparation process, 1% of hydrogen peroxide, 150g of liquid surfactant 1230, 1% of industrial soap before flotation, 300g of polyethyleneimine fixative, 15-20kg of AKD sizing agent, 150g of retention aid, 3.5kg of cationic starch, 15kg of polyacrylamide amphoteric dry strength agent, 3kg of Chinese red anionic dye, 45kg of cationic direct yellow dye, 100 ℃ of two-pass calendaring temperature and 30KN/m of calendaring pressure are added in the pulping process, and 82 g of finished paper is prepared.
The obtained environment-friendly orange bubble bag envelope paper has the longitudinal fracture length of 5.2KM and the burst index of 1.9kPam2Water absorption value of 25g/m2ISO brightness 12.1, L value 68.7, a value 15.3, b value 47.8, water content of paper 6.9%, tightness 0.7g/cm2Smoothness 26S, air permeability 1.97um/pa · S.
Example 2
In the embodiment, the method does not need to change machine bamboo pulp, and adds imported American waste No. 8 (air drying amount 400kg), European waste No. 9 (air drying amount 150kg), China inland whitened waste paper (air drying amount 150kg), hong Kong Daolin paper (air drying amount 300kg), according to the pulp preparation process and the base paper preparation process, 1.3% of hydrogen peroxide, 0.35% of caustic soda, 0.3% of sodium silicate, 100g of liquid surface active agent F-408 is added, 1.3% of industrial soap is added before flotation, 0.5% of hydrogen peroxide is added in bleaching, 20kg of alum, 15-20kg of AKD sizing agent, 150g of retention aid, 3.5kg of cationic starch, 3kg of Chinese red anionic dye, 45kg of cationic direct yellow dye, 100 ℃ of two-pass calendaring temperature and 30KN/m of calendaring pressure are added in the pulp preparation and sizing process to prepare 85 g of finished paper.
The obtained environment-friendly orange bubble bag envelope paper has the longitudinal breaking length of 5.8KM and the burst index of 1.86kPa m2(g), the water absorption value of finished paper is 22g/m2ISO brightness 12.0, L value 70.2, a value 14.4, b value 49.4, finished paper moisture 5.5%, tightness 0.67g/cm2Smoothness 23S, air permeability 2.06um/pa · S.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.

Claims (10)

1. The preparation method of the environment-friendly orange bubble bag envelope paper is characterized by comprising the following steps:
(1) preparation of deinking pulp
Feeding the whitened waste paper into a drum pulper to obtain pulp, controlling the pH of the pulp to be alkaline, adding a surfactant and removing impurities; feeding the slurry subjected to impurity removal into a front flotation tank, adding industrial soap, diluting the slurry, and screening out ink particles; concentrating the residual slurry, reducing the particle size dispersion of the residual ink and the adhesive through thermal dispersion, then entering a rear floating tank, diluting the slurry again, screening out ink particles again, and concentrating the slurry to obtain deinked slurry;
(2) preparation of environment-friendly orange bubble bag envelope paper
Adding a neutral sizing agent, a dry strength agent, an auxiliary agent and a dye into deinked pulp, removing slag and exhausting gas of the obtained pulp, removing solid impurities by a paper machine pressure screen, diluting the pulp, uniformly mixing, dehydrating and drying, and ironing the surface of a paper sheet by using a calender to obtain the environment-friendly orange bubble bag envelope paper.
2. The method of claim 1, wherein: the whitening waste paper in the step (1) is Chinese native newspaper, Chinese native office waste paper and Chinese hong Kong area forest paper.
3. The method of claim 1, wherein: the surfactant in the step (1) is at least one of alkylphenol ethoxylates, fatty alcohol-polyoxyethylene ether and polyoxyethylene sorbitan fatty acid ester; the mass ratio of the surfactant to the slurry after air drying is (130- & ltSUB & gt 170) & gt 1000000.
4. The method of claim 1, wherein:
the mass concentration of the slurry obtained after the slurry is fed into the rotary drum paper shredder in the step (1) is 18-22 wt%;
the concentration of the diluted slurry in the step (1) is 1-1.3 wt%; the concentration of the slurry after the first concentration is 25-30 wt%;
the concentration of the slurry after re-dilution in the step (1) is 1-1.3 wt%; the concentration after the second concentration is 20 to 26 weight percent.
5. The method of claim 1, wherein: the control temperature of the drum pulper in the step (1) is 70-80 ℃; the pH value of the slurry obtained in the step (1) is 8-8.5; adding hydrogen peroxide before adding the surfactant in the step (1), wherein the mass ratio of the hydrogen peroxide to the slurry after air drying is 1-2: 100, respectively;
the mass ratio of the industrial soap to the slurry after air drying in the step (1) is 1-1.5: 100, respectively; and (2) after the deinked pulp is obtained in the step (1), adding 0-1.5 wt% of hydrogen peroxide to improve the whiteness of the pulp.
6. The method of claim 1, wherein: the neutral sizing agent in the step (2) is alkyl ketene dimer, and the dosage of the neutral sizing agent is 10-25 kg/ton of sizing agent; the dry strength agent in the step (2) is at least one of a synthetic dry strength agent, a starch derivative and natural gum; the auxiliary agent in the step (2) is at least one of retention aid, filler, defoaming agent, bactericide and fixing agent; the dye in the step (2) is a Chinese red dye negative direct dye and a direct yellow dye; the Chinese red dye is 0.2-0.4 wt% and the direct yellow dye is 4.2-4.8 wt%.
7. The method of claim 1, wherein:
the gas content in the slurry after the gas is exhausted in the step (2) is less than 0.1 percent;
the concentration of the slurry diluted in the step (2) is 0.5-0.8 wt%;
and (2) dehydrating and drying specifically, dehydrating the pulp through a net part until the dryness of the pulp reaches more than 18%, dehydrating the pulp in a squeezing part with three-roller two-pressing and independent three-pressing until the dryness of the pulp reaches more than 42%, and drying to obtain the environment-friendly orange bubble bag envelope paper.
8. The method according to claim 1, wherein the step (2) of preparing the environmentally friendly orange bubble bag envelope paper further comprises adding virgin pulp, specifically:
sending the blocky or wet chemi-mechanical pulp into a pulp board pulper to obtain pulped pulp with the concentration of 4-5 wt%, then sending the pulped pulp into a latency pool to spread chemi-mechanical pulp fibers, then sending the chemi-mechanical pulp into a pulp board fluffer, beating the pulped pulp by a pulping machine to 30-35 DEG SR, and obtaining raw pulp; and (3) mixing the mixture with deinking pulp, and then performing the step (2) to obtain the environment-friendly orange bubble bag envelope paper.
9. The method of claim 1, wherein: the mass ratio of the deinking pulp to the raw pulp is 70-90: 10 to 30.
10. An environment-friendly orange bubble bag envelope paper prepared by the method of any one of claims 1 to 9.
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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102677515A (en) * 2012-05-28 2012-09-19 东莞天龙纸业有限公司 Process for preparing recovered pulp with high whiteness and high cleanliness
CN102677532A (en) * 2012-05-28 2012-09-19 东莞天龙纸业有限公司 Process for preparing cultural paper by utilizing full-recovered pulp
CN203094681U (en) * 2012-12-26 2013-07-31 曹友 Bubble bag packaging envelope
CN104195876A (en) * 2014-09-11 2014-12-10 岳阳林纸股份有限公司 Environmental-friendly advertisement magazine paper and manufacturing method thereof
CN107604741A (en) * 2017-09-27 2018-01-19 广州市咏润纸业科技有限公司 A kind of method that environmentally friendly brown paper is prepared using old newsprint
CN109056420A (en) * 2018-07-12 2018-12-21 福建省晋江优兰发纸业有限公司 A kind of preparation method of Deinking Pulp fruit paper bag
CN110541321A (en) * 2019-09-05 2019-12-06 潍坊恒联特种纸有限公司 bubble bag lining paper making process
CN110904709A (en) * 2019-04-30 2020-03-24 玖龙纸业(天津)有限公司 Production method of high-whiteness waste paper deinking and bleaching paper pulp

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102677515A (en) * 2012-05-28 2012-09-19 东莞天龙纸业有限公司 Process for preparing recovered pulp with high whiteness and high cleanliness
CN102677532A (en) * 2012-05-28 2012-09-19 东莞天龙纸业有限公司 Process for preparing cultural paper by utilizing full-recovered pulp
CN203094681U (en) * 2012-12-26 2013-07-31 曹友 Bubble bag packaging envelope
CN104195876A (en) * 2014-09-11 2014-12-10 岳阳林纸股份有限公司 Environmental-friendly advertisement magazine paper and manufacturing method thereof
CN107604741A (en) * 2017-09-27 2018-01-19 广州市咏润纸业科技有限公司 A kind of method that environmentally friendly brown paper is prepared using old newsprint
CN109056420A (en) * 2018-07-12 2018-12-21 福建省晋江优兰发纸业有限公司 A kind of preparation method of Deinking Pulp fruit paper bag
CN110904709A (en) * 2019-04-30 2020-03-24 玖龙纸业(天津)有限公司 Production method of high-whiteness waste paper deinking and bleaching paper pulp
CN110541321A (en) * 2019-09-05 2019-12-06 潍坊恒联特种纸有限公司 bubble bag lining paper making process

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