CN104641039B - A kind of waterproof recycled writing paper and production method thereof - Google Patents

A kind of waterproof recycled writing paper and production method thereof Download PDF

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Publication number
CN104641039B
CN104641039B CN201480000411.9A CN201480000411A CN104641039B CN 104641039 B CN104641039 B CN 104641039B CN 201480000411 A CN201480000411 A CN 201480000411A CN 104641039 B CN104641039 B CN 104641039B
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paper
waterproof
recycled writing
pulp
writing paper
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Expired - Fee Related
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CN201480000411.9A
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CN104641039A (en
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区锦泉
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Individual
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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
    • 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
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • 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
    • D21H17/20—Macromolecular organic compounds
    • D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
    • 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
    • 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
    • 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
    • D21H17/37—Polymers of unsaturated acids or derivatives thereof, e.g. polyacrylates
    • 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
    • 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
    • D21H27/18—Paper- or board-based structures for surface covering
    • D21H27/22—Structures being applied on the surface by special manufacturing processes, e.g. in presses
    • D21H27/26—Structures being applied on the surface by special manufacturing processes, e.g. in presses characterised by the overlay sheet or the top layers of the structures

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paper (AREA)

Abstract

The invention discloses a kind of waterproof recycled writing paper and production method thereof.Waterproof recycled writing paper of the present invention is to carry out slurrying with waste and old paper and papermaking plant fiber material for raw material, by adding waterproof additive after the pulping process of copy paper section: grease, resin, starch, pectin, soda pulp, sulfite pulp, NBSK, polyacrylonitrile, marble powder, high molecular weight water soluble polymer, NaOH are sized mixing, then add and combine paper production flow process and be prepared from.The waterproof recycled writing paper using the inventive method to produce does not changes the texture of paper, have inside and outside waterproof, surface can be write or print, colourless, nontoxic, tasteless feature, can add and dye any color and do not hinder its water-proof function, can be used as wrapping paper, writing paper, papery vest, paper bag etc., can be a kind of ep-type material with reconstituted circularly.

Description

A kind of waterproof recycled writing paper and production method thereof
Technical field
The present invention relates to a kind of paper and production method thereof, a kind of waterproof recycled writing paper and production method thereof, belong to paper Open and technology for producing field.
Background technology
Along with the development of science and technology, the progress of society and improving constantly of people's living standard, paper is endowed various difference Function.In industries such as navigation, building, food and drink, need some to have the paper material of water resistance, such as water map paper, prevent Water wrapping paper, mess-tin cardboard, water tumbler paper, paper slipper, waterproof thermal-insulated Paper or cardboard etc..
The water resistance of existing paper has the chemicals of water resistance generally by adding in paper pulp, as by body paper Waxdip, in paper pulp, add heavy oil etc., or showing to be coated with at it after producing paper has the waterproofing agent of water-proof function.In as State's patent CN1237227C discloses a kind of ventilation paper, is by fiber pulp, heavy oil, and fiber pulp includes that lumber fibre is starched, greatly Flaxen fiber slurry, mulberry fibre slurry, shell fiber pulp, natural bamboo fibres slurry, natural reed fiber pulp, the preparation of this ventilation paper It is that fibre stuff is made body paper, after drying, obtains being coated with one layer of heavy oil outside body paper in heavy oil pond.Such paper has anti- Water, the feature that ventilative tensile force is strong, but owing to its manufacturing process needs to use heavy oil, also need to heavy oil feedstock in the preparation Carrying out heat treatment, also need to counterweight oil thermal insulating oil storage tank, coating pond, hothouse are heated simultaneously, operation sequence is complicated, step The most loaded down with trivial details, and add production cost.The waterproof paper that prior art is produced, some existence water proofing properties are poor, as repeatedly made With or run into paper friction more frequent time its surface waterproof layer destroyed even lose water proofing property, some waterproof papers are then ventilative Degree, toughness or intensity are not enough, occur the phenomenons such as institute's cracky, service life be short in use.Some traditional waterproof papers, by In having the chemical substance of water resistance on its surface, the function such as the surface also affecting paper is write, printing, some waterproof papers Open and add too much chemicals owing to pursuing its efficient water resistance the environmental-protecting performance of paper is affected.
Recycled writing paper is to do raw material with waste paper, is smashed, paper that slurrying of discoloring processes out through working procedures. Recycled paper can be used for making production recycled writing paper notebook, wrapping paper and packing box, recycled writing paper business card, utilizing recycled writing paper as bag Recycled writing paper environment protection type pencil, recycled writing paper and the acetate fiber produced with combination cigarette filter tip rod etc. wrapping up in the shell of pencil-lead and make, then Raw paper is widely used in social life because of its energy-saving and environmental protection and having the advantage that in price.And close at present Waterproof recycled writing paper in specific water-proof function rarely has report.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, it is provided that a kind of waterproof recycled writing paper and production method thereof, this waterproof recycled writing paper The paper pulp mixed with secondary stock and plant fiber pulp is as raw material, by the machine hand during existing paper manufacturing processes Duan Tianjia waterproof additive so that paper obtains waterproof function.
The technical solution adopted in the present invention is: a kind of waterproof recycled writing paper, and it is the slurrying workshop section in existing paper production, By the secondary stock prepared for raw material with waste and old paper and the string prepared for raw material through boiling with papermaking plant fiber material Slurry mixes as paper pulp raw material, jointly carries out washing, screens, bleaches, aquation and defibrination；After the pulping process of copy paper workshop section Add waterproof additive size mixing, it is thus achieved that paper stock streaming again manufacture paper with pulp to paper machine.
Described waterproof additive is: grease, resin, starch, pectin, soda pulp, sulfite pulp, NBSK, poly-third Alkene nitrile, marble powder, high molecular weight water soluble polymer, NaOH.
The described waterproof additive that adds after the pulping process of copy paper workshop section carries out sizing mixing referring to: in copy paper workshop section, complete After pulping process, add in paper pulp and account for the additive of the following percetage by weight of paper pulp: grease 1% ~ 2%, resin 2% ~ 2.5%, form sediment Powder 1% ~ 2%, pectin 1.5% ~ 2%, soda pulp 1.5% ~ 2%, sulfite pulp 1.5% ~ 2%, NBSK 1% ~ 2%, polyacrylonitrile 1% ~ 2%, marble powder 1% ~ 2%, high molecular weight water soluble polymer 1% ~ 2%, NaOH 2.5% ~ 3.5%.
Described grease is vegetable oil lipid natural oil, such as soybean oil.
Described resin is natural resin.
Described high molecular weight water soluble polymer for natural animal-plant for raw material extract obtained by starch, cellulose, plant In thing glue, the water-soluble high molecular polymer of animal glue class or chemically modified water-soluble high molecular polymer one Plant or several.Chemically modified water-soluble high molecular polymer mainly has modified starch, modified cellulose, including carboxylic first Base starch, acetic starch, hydroxymethyl cellulose, carboxymethylcellulose calcium.
The weight proportion that described secondary stock mixes with vegetable-fibre slurry is: secondary stock 35-45%, plant fiber pulp 55- 65%。
The described vegetable-fibre slurry prepared for raw material through boiling with papermaking plant fiber material, when boiling, over dry material Sheet is 1:3 with well water, river or running water ratio.
Described aquation, defibrination are scrubbed, bleaching, mixed slurry after washing and screening to be sent into refining system and carry out defibrination 30-240min, it is thus achieved that beating degree is to starch after the kowtowing of 48 ° of SR of 45 ° of SR-.
The online pulp density that described paper machine is manufactured paper with pulp is 0.1-1.2%.
Described waterproof recycled writing paper has in the packaging material of water resistance, printing material in processing, ornament materials, anti- Application in terms of protective material.
Described waterproof recycled writing paper is the most recovered, removal of impurities processes, and can use institute of the present invention directly as fibrous raw material The preparation flow stated regenerates, for preparing the waterproof recycled writing paper of the present invention.
Compared with prior art, there is advantages that
(1) not yet having the specific shaping of a kind of recycled writing paper to become a kind of waterproof recycled writing paper at present, innovation of the present invention is Become waterproof recycled writing paper by shaping with structure reformation, be pioneering；
(2) current general waterproof paper is all to be allowed to by having the face coat of water resistance in paper surface increase Obtaining waterproof effect, but this technique can make the surface of produced paper lose aesthetic feeling or the writing ability of paper, the present invention's is waterproof Recycled writing paper is waterproof but add in its production process and have the additive of water resistance and obtain anti-not by face coat Water function, thus without the look and feel of destruction paper, and " writing " this major function of paper；
(3) mostly general waterproof paper is owing to being that the water proofing property being had by face coat has tool water-proof function, therefore, When its waterproof layer on its surface in time repeatedly folding or rub is destroyed, lose waterproof efficacy, and the anti-water reuse (treatment of the present invention Paper itself is water-repellent substance, uses the time long；
(4) the waterproof recycled writing paper of the present invention has renewable, the feature of environmental protection, in its production process, the master used Wanting raw material is plant fiber material, the auxiliary material of addition and have the material of waterproof action and selected resin, pectin, marble powder etc. This kind of natural materials instead of the chemicals such as the marine glue that conventional waterproof paper used, waterproof rubber moulding, PU, PVC, heavy oil, in conjunction with The technique of general paper production, can make paper obtain more preferable water resistance；
(5) general waterproof paper is because its face coat is rubber moulding or undecomposable material, therefore cannot write, more not allow Easily reconstituted circularly, and the waterproof recycled writing paper of the present invention is as through fully grinding, and can the most again use its production procedure regeneration to become Waterproof recycled writing paper；
(6) the waterproof recycled writing paper of the present invention have inside and outside waterproof, surface can be write or print, colourless, nontoxic, tasteless spy Point, can add and dye any color and do not hinder its water-proof function, can be used as wrapping paper, writing paper, papery vest, paper bag etc., Can be a kind of ep-type material with reconstituted circularly；The waterproof recycled writing paper of the present invention is using waste and old paper as primary raw material, real Show recycling of resource, there is cost advantage.
Detailed description of the invention
The present invention is explained further below in conjunction with embodiment, but the present invention is not done any type of limit by embodiment Fixed.
Embodiment 1 uses following production method to process recycled writing paper of the present invention.
1, producing sulfate eucalyptus pulp according to tradition pulping process, wherein Eucalyptus wood chip and running water are according to 1:3 mixing ratio Example, carries out sulphate cook；Reclaim wastepaper, sort, use hydrabrusher pulping, obtain secondary stock, then according to useless Paper pulp 35%, secondary stock is mixed with sulfate eucalyptus pulp, makes mixed slurry by the weight proportion of sulfate eucalyptus pulp 65%.
2, carry out washing with original technique by mixed slurry, bleach, washing and screening, be then fed into refining system and carry out defibrination 30min, it is thus achieved that beating degree is to starch after the kowtowing of 45 ° of SR, and concentrates, standby.
3, in copy paper workshop section, by the lodicule dispersion prepared, removal of impurities, and carry out refining with original refining, beating process, beat Slurry, after pull an oar, in paper pulp, addition accounts for the additive of the following percentage by weight of paper pulp and sizes mixing: soybean oil 1%, rosin 2.2%, starch 1%, pectin 2%, soda pulp 2%, sulfite pulp 2%, NBSK 2%, polyacrylonitrile 1%, marble powder 1%, water The sub-polymer of soluble macromolecular 1%, NaOH 2.5%.
4, sizing mixing end, manufacture paper with pulp through paper stock approach system dexter feeder, online pulp density is 0.1%, and through follow-up pressure Squeeze, dry, surface processes, press polish, last sheet forming.
Embodiment 2 uses following production method to process recycled writing paper of the present invention.
1, producing sulphite Straw Pulp according to tradition pulping process, wherein tablet and river are according to 1:3 mixed proportion, enter Row sulphite boiling；Reclaim wastepaper, sort, use hydrabrusher pulping, obtain secondary stock, then according to secondary stock 40%, secondary stock is mixed by the weight proportion of sulphite Straw Pulp 60% with sulphite Straw Pulp, makes mixed slurry.
2, carry out washing with original technique by mixed slurry, bleach, washing and screening, be then fed into refining system and carry out defibrination 120min, it is thus achieved that beating degree is to starch after the kowtowing of 46 ° of SR, and concentrates, standby.
3, in copy paper workshop section, by the lodicule dispersion prepared, removal of impurities, and carry out refining with original refining, beating process, beat Slurry, after pull an oar, in paper pulp, addition accounts for the additive of the following percentage by weight of paper pulp and sizes mixing: soybean oil 2%, rosin 2.5%, starch 1.5%, pectin 1.8%, soda pulp 1.5%, sulfite pulp 1.8%, NBSK 2%, polyacrylonitrile 1.8%, cloud The sub-polymer of stone powder 1.5%, water soluble polymer 2%, NaOH 3.5%.
4, sizing mixing end, manufacture paper with pulp through paper stock approach system dexter feeder, online pulp density is 1.2%, and through follow-up pressure Squeeze, dry, surface processes, press polish, last sheet forming.
Embodiment 3 uses following production method to process recycled writing paper of the present invention.
1, producing bagasse pulp according to tradition pulping process, wherein Eucalyptus wood chip and running water are according to 1:3 mixed proportion, enter Row boiling；Reclaim wastepaper, sort, use hydrabrusher pulping, obtain secondary stock, then according to secondary stock 45%, bagasse Secondary stock is mixed by the weight proportion of slurry 55% with bagasse pulp, makes mixed slurry.
2, carry out washing with original technique by mixed slurry, bleach, washing and screening, be then fed into refining system and carry out defibrination 240min, it is thus achieved that beating degree is to starch after the kowtowing of 48 ° of SR, and concentrates, standby.
3, in copy paper workshop section, by the lodicule dispersion prepared, removal of impurities, and carry out refining with original refining, beating process, beat Slurry, after pull an oar, in paper pulp, addition accounts for the additive of the following percentage by weight of paper pulp and sizes mixing: peanut oil 1.5%, rosin 2%, starch 1%, pectin 1.5%, soda pulp 1.6%, sulfite pulp 1.5%, NBSK 1.5%, polyacrylonitrile 1%, marble dust End 1% ~ 2%, the sub-polymer of water soluble polymer 1.5%, NaOH 3%.
4, sizing mixing end, manufacture paper with pulp through paper stock approach system dexter feeder, online pulp density is 0.8%, and through follow-up pressure Squeeze, dry, surface processes, press polish, last sheet forming.

Claims (8)

1. a waterproof recycled writing paper, it is characterised in that: it is the slurrying workshop section in existing paper production, will be former with waste and old paper The secondary stock that material prepares mixes as paper pulp with the vegetable-fibre slurry prepared for raw material through boiling using papermaking plant fiber material Raw material, jointly carries out washing, screens, bleaches, aquation and defibrination；After the pulping process of copy paper workshop section, add waterproof additive enter Row size mixing, it is thus achieved that paper stock streaming again manufacture paper with pulp to paper machine；Described waterproof additive is: grease, resin, starch, pectin, soda Slurry, sulfite pulp, NBSK, polyacrylonitrile, marble powder, high molecular weight water soluble polymer, NaOH；This is waterproof again Raw paper, through fully grinding, can use its production procedure regeneration to become waterproof recycled writing paper the most again；Described grease is vegetable fat Class natural oil；Described resin is natural resin；Described high molecular weight water soluble polymer is to extract with natural animal-plant for raw material Obtained by starch, cellulose, natural plant gum, the water-soluble high molecular polymer of animal glue class or chemically modified natural water One or more in soluble macromolecular polymer.
The waterproof recycled writing paper of one the most according to claim 1, it is characterised in that: described after the pulping process of copy paper workshop section Add waterproof additive to carry out sizing mixing referring to: in copy paper workshop section, after completing pulping process, add in paper pulp and account for paper pulp and weigh as follows The additive of amount percentage: grease 1%～2%, resin 2%～2.5%, starch 1%～2%, pectin 1.5%～2%, soda Slurry 1.5%～2%, sulfite pulp 1.5%～2%, NBSK 1%～2%, polyacrylonitrile 1%～2%, marble powder 1%～2%, high molecular weight water soluble polymer 1%～2%, NaOH 2.5%～3.5%.
The waterproof recycled writing paper of one the most according to claim 1, it is characterised in that: described secondary stock mixes with vegetable-fibre slurry The weight proportion closed is: secondary stock 35-45%, plant fiber pulp 55-65%.
The waterproof recycled writing paper of one the most according to claim 1, it is characterised in that: described is former with papermaking plant fiber material Expect that, through the vegetable-fibre slurry that boiling prepares, when boiling, over dry tablet is 1:3 with well water, river or running water ratio.
The waterproof recycled writing paper of one the most according to claim 1, it is characterised in that: described aquation, defibrination are by scrubbed, drift In vain, the mixed slurry feeding refining system after washing and screening carries out defibrination 30-240min, it is thus achieved that beating degree is 45 ° of SR-48 ° of SR Kowtow after starch.
The waterproof recycled writing paper of one the most according to claim 1, it is characterised in that: the online paper pulp that described paper machine is manufactured paper with pulp is dense Degree is 0.1-1.2%.
Waterproof recycled writing paper the most according to claim 1, it is characterised in that: described waterproof recycled writing paper has anti-in processing Application in terms of the packaging material of aqueous energy, printing material, ornament materials, protective materials.
8. according to the waterproof recycled writing paper described in any of the above-described claim, it is characterised in that: described waterproof recycled writing paper is using Process by recovery, removal of impurities, directly as fibrous raw material, be applied to the regeneration of described preparation flow and prepare waterproof recycled writing paper.
CN201480000411.9A 2013-07-16 2014-03-04 A kind of waterproof recycled writing paper and production method thereof Expired - Fee Related CN104641039B (en)

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CN2013102972145A CN103397559A (en) 2013-07-16 2013-07-16 Waterproof recycled paper and production method thereof
CN201480000411.9A CN104641039B (en) 2013-07-16 2014-03-04 A kind of waterproof recycled writing paper and production method thereof
PCT/CN2014/072873 WO2015007098A1 (en) 2013-07-16 2014-03-04 Waterproof recycled paper and production method thereof

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