CN109577057A - A kind of production method of heat-sensitive paper body paper - Google Patents

A kind of production method of heat-sensitive paper body paper Download PDF

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Publication number
CN109577057A
CN109577057A CN201811325873.4A CN201811325873A CN109577057A CN 109577057 A CN109577057 A CN 109577057A CN 201811325873 A CN201811325873 A CN 201811325873A CN 109577057 A CN109577057 A CN 109577057A
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CN
China
Prior art keywords
paper
heat
production method
pulp
sensitive
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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.)
Pending
Application number
CN201811325873.4A
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Chinese (zh)
Inventor
韩冲
张园园
杨文恒
李健
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Nine Dragons Paper Holdings Ltd
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Nine Dragons Paper Holdings Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nine Dragons Paper Holdings Ltd filed Critical Nine Dragons Paper Holdings Ltd
Priority to CN201811325873.4A priority Critical patent/CN109577057A/en
Publication of CN109577057A publication Critical patent/CN109577057A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/1084—Bleaching ; Apparatus therefor with reducing compounds
    • 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
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides
    • 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
    • D21H17/63—Inorganic compounds
    • D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
    • D21H17/675—Oxides, hydroxides or carbonates
    • 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
    • D21H21/14—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

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)

Abstract

The application technical problems to be solved are to provide a kind of production method of heat-sensitive paper body paper, and the production method includes pulp stage and paper grades, replace Original Pulp using waste paper, manufacture heat-sensitive paper body paper, and indices meet index request；The present invention reduces Original Pulp consumption, carries out resource utilization to waste paper, protects environment.

Description

A kind of production method of heat-sensitive paper body paper
Technical field
This application involves a kind of production methods of heat-sensitive paper body paper.
Background technique
Heat-sensitive paper is otherwise known as thermal fax paper, electrothermal sensitive recording paper, thermography paper, is then called sensible heat manifolding in Taiwan Paper.Heat-sensitive paper is a kind of processing paper, and manufacturing theory is exactly one layer of " thermo colour " (heat-sensitive variable colour of coating on good body paper Layer).Although chemicals used in this photochromic layer has ten several, at least following compounds: leuco dye, the product of the dyestuff Kind is very wide, and the most commonly used is fluorescent chemicals；Color developing agent accounts for about 20% hereinafter, there are commonly bis-phenols, P-hydroxybenzoic acid；Increase sense Agent accounts for about 10% hereinafter, wherein containing benzenesulfonamide class compound；Filler accounts for about 50% hereinafter, that there are commonly calcium carbonate is (micro- Grain)；Adhesive accounts for about 10% hereinafter, such as polyvinyl acetate；Stabilizer, such as terephalic acid dibenzoyl；Lubricant etc..Therefore technique is difficult Degree is big, and technical requirements are high.Preceding heat-sensitive paper is mostly using Original Pulp as main raw material(s), high production cost.
Summary of the invention
In order to solve the above-mentioned technical problem, this application provides a kind of production methods of heat-sensitive paper body paper.
The application technical problems to be solved are to provide a kind of production method of heat-sensitive paper body paper, the production method packet Pulp stage and paper grades are included, the pulp stage includes the following steps,
(1.1) waste paper enters rotary drum pulping machine progress size degradation and screening, and size degradation area concentration is 20%-30%；Screening area is dense Spend 4-6%；(1.2) purify, according to impurity density by purification be divided into it is highly concentrated slagging-off, in it is dense slagging-off and low dense slagging-off, it is highly concentrated to remove Sand device concentration for the treatment of be 5%, in dense desander concentration for the treatment of be 2%, low dense desander concentration for the treatment of be 1%；(1.3) it screens, Screening is divided into scalping, intermediate screening and fine screen according to contaminant size；(1.4) flotation will be floated according to the content of ink in waste paper Choosing is divided into level-one flotation, secondary floatation and three-level flotation；(1.5) it bleaches, including oxidation bleaching and reducing bleach；(1.6) hot Processing section carries out dirt count for pulp dirt；(1.7) it is beaten, the paper grades are the following steps are included: (2.1) The paper pulp that slurrying is completed first passes around approach system and enters back into paper machine, and approach system includes purification, degasification and screening and auxiliary material Addition, degasification be using depassing unit using vacuum generate negative pressure remove slurry in bubble, (2.2) paper pulp by head box into Enter forming net, forms the wet web that mass dryness fraction is about 20% after preliminary hydro-extraction；(2.3) paper web enters press section after leaving wet end； (2.4) using steam heated cylinders and transfer heat to paper web, it is premenstrual it is dry after the mass dryness fraction of paper web reach 90%；(2.5) film is used Transfer sizing；(2.6) after top sizing, paper web soaks again, is further dried, and final mass dryness fraction reaches 92% or more；(2.7) it presses Light；(2.8) it crimps.
Preferably, in step (1.1), size degradation area concentration is 25%；Screening area concentration is 5%.
Preferably, in step (1.3), scalping aperture is 1.6-2.0mm, intermediate mesh size 1.2-1.5mm, fine screen hole Diameter is 0.12-0.15mm.
Preferably, in step (1.5), the oxidation bleaching be hydrogen peroxide bleaching, pulp density 25-30%, Temperature is 85-95 DEG C.
Preferably, in step (1.5), the reducing bleach be in dense sodium borohydride and sodium hydrogensulfite bleach, Pulp density is 5-8%, and temperature is 80-90 DEG C.
Preferably, in step (2.1), the auxiliary material in auxiliary material addition is mainly retention agent, filler and internal sizing agent, institute The retention agent stated uses ternary retention aid system；The filler is the calcium carbonate being added in paper, and the sizing agent is double base Glue system.
Preferably, in step (2.3), press section is three pressure area structure of four-roller, at this time the mass dryness fraction of wet web about 50%.
Preferably, in step (2.5), sizing, resin added 1g/ is blended using enzyme converted starch and PVA in top sizing m2/ face.
A kind of production method of heat-sensitive paper body paper of the application replaces Original Pulp using waste paper, manufactures heat-sensitive paper body paper, And indices meet index request；The present invention reduces Original Pulp consumption, carries out resource utilization to waste paper, protects environment.
Specific embodiment
The application is described further combined with specific embodiments below, so that those skilled in the art can be preferably Understand the application and can be practiced, but illustrated embodiment is not as the restriction to the application.
A kind of production method of heat-sensitive paper body paper, the production method include pulp stage and paper grades, described Pulp stage includes the following steps that (1.1) waste paper enters rotary drum pulping machine and carries out size degradation and screening, and size degradation area concentration is 20%- 30%；Screening area concentration 4-6%, it is preferable that size degradation area concentration is 25%；Screening area concentration is 5%；(1.2) it purifies, according to miscellaneous Matter density by purification be divided into highly concentrated slagging-off, in dense slagging-off and low dense slagging-off, high concentration desanding device concentration for the treatment of is 5%, in dense remove Sand device concentration for the treatment of is 2%, and low dense desander concentration for the treatment of is 1%；(1.3) it screens, is divided into screening according to contaminant size Scalping, intermediate screening and fine screen, scalping aperture are 1.6-2.0mm, and intermediate mesh size 1.2-1.5mm, fine screen aperture is 0.12- 0.15mm；(1.4) flotation is divided into level-one flotation, secondary floatation and three-level and floated by flotation according to the content of ink in waste paper Choosing；(1.5) it bleaches, including oxidation bleaching and reducing bleach, the oxidation bleaching is hydrogen peroxide bleaching, and pulp density is 25-30%, temperature are 85-95 DEG C, the reducing bleach be in dense sodium borohydride and sodium hydrogensulfite bleach, pulp density For 5-8%, temperature is 80-90 DEG C；(1.6) it is heat-treated section, carries out dirt count for pulp dirt；(1.7) it is beaten,
The paper grades the following steps are included:
(2.1) paper pulp that slurrying is completed first passes around approach system and enters back into paper machine, approach system include purification, degasification and Screening and auxiliary material addition, degasification are the bubble removed using depassing unit using vacuum generation negative pressure in slurry, auxiliary material addition In auxiliary material be mainly retention agent, filler and internal sizing agent, the retention agent uses ternary retention aid system；The filler For the calcium carbonate being added in paper, the sizing agent is double base glue system；(2.2) paper pulp enters molding by head box Net forms the wet web that mass dryness fraction is about 20% after preliminary hydro-extraction；(2.3) paper web enters press section after leaving wet end, and press section is Three pressure area structure of four-roller, the at this time mass dryness fraction of wet web about 50%；(2.4) using steam heated cylinders and paper web is transferred heat to, before menstruation The mass dryness fraction of paper web reaches 90% after drying；(2.5) it is glued using film transfer, top sizing is total using enzyme converted starch and PVA Mixed sizing, resin added 1g/m2/ face；(2.6) after top sizing, paper web soaks again, is further dried, and final mass dryness fraction reaches 92% or more；(2.7) press polish；(2.8) it crimps.
The thermosensitive body paper index manufactured using the production method of the application is as follows:
A kind of production method of heat-sensitive paper body paper of the application replaces Original Pulp using waste paper, manufactures heat-sensitive paper body paper, And indices meet index request；The present invention reduces Original Pulp consumption, carries out resource utilization to waste paper, protects environment.
Embodiment described above is only the preferred embodiment lifted to absolutely prove the application, the protection model of the application It encloses without being limited thereto.Those skilled in the art made equivalent substitute or transformation on the basis of the application, in the application Protection scope within.The protection scope of the application is subject to claims.

Claims (8)

1. a kind of production method of heat-sensitive paper body paper, which is characterized in that
The production method includes pulp stage and paper grades,
The pulp stage includes the following steps,
(1.1) waste paper enters rotary drum pulping machine progress size degradation and screening, and size degradation area concentration is 20%-30%；Screening area concentration 4- 6%；
(1.2) purify, according to impurity density by purification be divided into it is highly concentrated slagging-off, in it is dense slagging-off and low dense slagging-off, highly concentrated slagging-off institute The high concentration desanding device concentration for the treatment of used is 5%, in used in dense slagging-off in dense desander concentration for the treatment of be 2%, it is low dense to remove Low dense desander concentration for the treatment of used in slag is 1%；
(1.3) it screens, screening is divided into scalping, intermediate screening and fine screen；
(1.4) flotation is divided into level-one flotation, secondary floatation and three-level flotation by flotation；
(1.5) it bleaches, including oxidation bleaching and reducing bleach；
(1.6) it is heat-treated section, carries out dirt count for pulp dirt；
(1.7) it is beaten,
The paper grades the following steps are included:
(2.1) paper pulp that slurrying is completed first passes around approach system and enters back into paper machine,
Approach system includes that purification, degasification and screening and auxiliary material add,
The degasification is the bubble generated using depassing unit using vacuum in negative pressure removing slurry；
(2.2) paper pulp enters forming net by head box, and the wet web that mass dryness fraction is about 20% is formed after preliminary hydro-extraction；
(2.3) paper web enters press section after leaving wet end；
(2.4) using steam heated cylinders and transfer heat to paper web, it is premenstrual it is dry after the mass dryness fraction of paper web reach 90%；
(2.5) it is glued using film transfer；
(2.6) after top sizing, paper web soaks again, is further dried, and final mass dryness fraction reaches 92% or more；
(2.7) press polish；
(2.8) it crimps.
2. a kind of production method of heat-sensitive paper body paper as described in claim 1, which is characterized in that
In step (1.1), size degradation area concentration is 25%；Screening area concentration is 5%.
3. a kind of production method of heat-sensitive paper body paper as claimed in claim 2, which is characterized in that
In step (1.3), scalping aperture is 1.6-2.0mm, and intermediate mesh size 1.2-1.5mm, fine screen aperture is 0.12- 0.15mm。
4. a kind of production method of heat-sensitive paper body paper as claimed in claim 3, which is characterized in that
In step (1.5), the oxidation bleaching is hydrogen peroxide bleaching, pulp density 25-30%, temperature 85-95 ℃。
5. a kind of production method of heat-sensitive paper body paper as claimed in claim 4, which is characterized in that
In step (1.5), the reducing bleach be in dense sodium borohydride and sodium hydrogensulfite bleach,
Pulp density is 5-8%, and temperature is 80-90 DEG C.
6. a kind of production method of heat-sensitive paper body paper as claimed in claim 5, which is characterized in that
In step (2.1), the auxiliary material in auxiliary material addition is mainly retention agent, filler and internal sizing agent,
The retention agent uses ternary retention aid system；The filler is the calcium carbonate being added in paper, the sizing agent For double base glue system.
7. a kind of production method of heat-sensitive paper body paper as claimed in claim 6, which is characterized in that
In step (2.3), press section is three pressure area structure of four-roller, at this time the mass dryness fraction of wet web about 50%.
8. a kind of production method of heat-sensitive paper body paper as claimed in claim 7, which is characterized in that
In step (2.5), sizing, resin added 1g/m is blended using enzyme converted starch and PVA in top sizing2/ face.
CN201811325873.4A 2018-11-08 2018-11-08 A kind of production method of heat-sensitive paper body paper Pending CN109577057A (en)

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Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02133688A (en) * 1988-11-09 1990-05-22 Kanzaki Paper Mfg Co Ltd Regeneration of waste heat-sensitive recording paper
JP2005179861A (en) * 2003-12-22 2005-07-07 Asahi Kasei Chemicals Corp Method for producing supporting material for heat sensitive stencil-printing stencil paper, and stencil paper
CN1291105C (en) * 2004-07-30 2006-12-20 福建省南纸股份有限公司 Tetiary flow-aid and filter-aid method for high speed newspaper machine
CN102433791A (en) * 2011-10-14 2012-05-02 安徽山鹰纸业股份有限公司 Production method for ultra-low quantitative corrugated core paper and product produced thereby
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
CN103469692A (en) * 2013-09-26 2013-12-25 东莞玖龙纸业有限公司 Production method of renewable environment-friendly thermosensitive base paper
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
CN104611980A (en) * 2015-01-28 2015-05-13 联盛纸业（龙海）有限公司 Manufacturing method for high strength internal binding force cardboard paper
CN104631196A (en) * 2015-01-28 2015-05-20 联盛纸业（龙海）有限公司 Single-layer superlow-gram-weight liner cardboard paper production method
CN104805729A (en) * 2015-04-24 2015-07-29 岳阳林纸股份有限公司 Method for producing industrial precoating body paper
CN105463944A (en) * 2015-01-16 2016-04-06 金奉源纸业(上海)有限公司 Special raw paper for roof-shaped packing

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02133688A (en) * 1988-11-09 1990-05-22 Kanzaki Paper Mfg Co Ltd Regeneration of waste heat-sensitive recording paper
JP2005179861A (en) * 2003-12-22 2005-07-07 Asahi Kasei Chemicals Corp Method for producing supporting material for heat sensitive stencil-printing stencil paper, and stencil paper
CN1291105C (en) * 2004-07-30 2006-12-20 福建省南纸股份有限公司 Tetiary flow-aid and filter-aid method for high speed newspaper machine
CN102433791A (en) * 2011-10-14 2012-05-02 安徽山鹰纸业股份有限公司 Production method for ultra-low quantitative corrugated core paper and product produced thereby
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
CN103469692A (en) * 2013-09-26 2013-12-25 东莞玖龙纸业有限公司 Production method of renewable environment-friendly thermosensitive base paper
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
CN105463944A (en) * 2015-01-16 2016-04-06 金奉源纸业(上海)有限公司 Special raw paper for roof-shaped packing
CN104611980A (en) * 2015-01-28 2015-05-13 联盛纸业（龙海）有限公司 Manufacturing method for high strength internal binding force cardboard paper
CN104631196A (en) * 2015-01-28 2015-05-20 联盛纸业（龙海）有限公司 Single-layer superlow-gram-weight liner cardboard paper production method
CN104805729A (en) * 2015-04-24 2015-07-29 岳阳林纸股份有限公司 Method for producing industrial precoating body paper

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