CN105603830B - A kind of cardboard and preparation method thereof - Google Patents

A kind of cardboard and preparation method thereof Download PDF

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Publication number
CN105603830B
CN105603830B CN201610141364.0A CN201610141364A CN105603830B CN 105603830 B CN105603830 B CN 105603830B CN 201610141364 A CN201610141364 A CN 201610141364A CN 105603830 B CN105603830 B CN 105603830B
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CN
China
Prior art keywords
slurry
paper layer
fiber
cardboard
wood
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.)
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Application number
CN201610141364.0A
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Chinese (zh)
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CN105603830A (en
Inventor
曾金郎
汤惠民
张克庆
黄宝锋
王晶晶
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mori Hiroshi Asia Pacific (shandong) Pulp And Paper Co
Original Assignee
Mori Hiroshi Asia Pacific (shandong) Pulp And Paper Co
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Priority to CN201610141364.0A priority Critical patent/CN105603830B/en
Publication of CN105603830A publication Critical patent/CN105603830A/en
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Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B29/00—Layered products comprising a layer of paper or cardboard
    • B32B29/002—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B29/005—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material next to another layer of paper or cardboard layer
    • 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
    • D21H11/04—Kraft or sulfate 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
    • D21H11/10—Mixtures of chemical and mechanical 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
    • D21H11/12—Pulp from non-woody plants or crops, e.g. cotton, flax, straw, bagasse
    • 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
    • D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
    • D21H13/10—Organic non-cellulose fibres
    • D21H13/20—Organic non-cellulose fibres from macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H13/24—Polyesters
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/26—All layers being made of paper or paperboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0276—Polyester fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/06—Vegetal fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/558—Impact strength, toughness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/716—Degradable

Abstract

The invention provides a kind of cardboard and preparation method thereof, including ground paper layer, core paper layer and the facial tissue layer being sequentially overlapped；Ground paper layer and/or the core paper layer includes recognizable fiber；The recognizable fiber is the degradable synthetic fibers of primary colour plant fiber, the string that organic pigment is painted or basic-dyeable fibre colouring.Compared with prior art, the recognizable fiberoptic scope that is added of the present invention is wide, cost is low, it is degradable, can whole recyclings, safety, energy-saving and environmental protection, meanwhile, make paper board strength preferable with toughness, identifiability is strong, and printing performance is excellent.

Description

A kind of cardboard and preparation method thereof
Technical field
The invention belongs to pulp technology for making paper, more particularly to a kind of cardboard and preparation method thereof.
Background technology
Packaging material refers to the general name of the material for manufacturing packing container and composition product packaging.Present packaging material bag Include the main packaging material such as paper wood, plastic, timber, and adhesive, coating, ink, padded coaming, seal material and tie up material etc. Auxiliary package material.Packaging material can be divided into according to raw material types：Paper material, synthesis high polymer material, metal material, Glass and ceramic material, composite fibre, timber and other materials.
Paper material occupies very big proportion in packaging material, and reason is：Paper and paper board material raw material extensively, price It is cheap, easily formed and produced in enormous quantities；Uniformity is preferable, and strength per unit area is larger；Paper and cardboard have good absorbency Can, easily bond, printing performance is good, writing, clear patterns, firmly；High- and low-temperature resistance better performances, especially with plastics package material Material, which is compared, has the advantages of prominent；Paper products can go out miscellaneous case, box according to different commodity designs, be easy to wrap automatically Dress, package shape not malleable, and again hygienic；It is nontoxic, pollution-free, use can be reclaimed repeatedly.
At present, cardboard based packaging material species is various, and market competition is growing more intense, and to make product unusual, makes us Mesh is not forgotten, and excites consumer's purchase intention, numerous manufacturers are all with doing work(on the mode of printing of product in package design Husband.But excessively print and pack and bring additional product processing charges to manufacturer, therefore, set about from body paper base material, there is provided one Kind of simple production process and it is easier to the packing board of difference and turns into not only cost-effective but also effective method.
The content of the invention
In view of this, the technical problem to be solved in the present invention is to provide a kind of cardboard and preparation method thereof, and the cardboard can Identity is higher and cost is relatively low.
The invention provides a kind of cardboard, including ground paper layer, core paper layer and the facial tissue layer being sequentially overlapped；The ground paper layer And/or core paper layer includes recognizable fiber；The recognizable fiber is primary colour plant fiber, the string of organic pigment colouring Or the degradable synthetic fibers of basic-dyeable fibre colouring.
Preferably, it can recognize that the content of fiber independently of one another in the slurry of the slurry of the ground paper layer and/or core paper layer For 5~25wt%.
Preferably, the slurry of the ground paper layer includes 75~100wt% bleaching broad-leaved wood sulphate pulps.
Preferably, the slurry of the core paper layer includes the bleaching of 40~60wt% bleached chemi-mechanical pulp, 5~25wt% The broken of broad-leaved wood sulphate pulp and 25~35wt%.
Preferably, the slurry of the facial tissue layer includes 65~85wt% bleaching broad-leaved wood sulphate pulp and 15~35wt% Bleached softwood wood NBSK.
Preferably, the organic pigment is the organic scattered pigment of anion phthalocyanine type.
Preferably, the particle diameter of the organic pigment is 1~50nm.
Preferably, the degradable synthetic fibers are degradable polyester fiber.
Preferably, the string of the organic pigment colouring is prepared in accordance with the following methods：
String is diluted into size degradation, the slurry diluted, organic pigment is then added and obtains organic pigment colouring String；The concentration of string is 3~6wt% in the slurry of the dilution；The amount that the organic pigment adds for 1~ 1000ppm。
Preferably, the degradable synthetic fibers of the basic-dyeable fibre colouring are prepared in accordance with the following methods：
Degradable synthetic fibers are diluted, the slurry diluted, basic dyeing is then added, obtains basic-dyeable fibre The degradable synthetic fibers of colouring；The concentration of degradable synthetic fibers is 4~6wt% in the slurry of the dilution；The alkalescence The amount that dyestuff adds is 1~1000ppm.
The invention provides a kind of cardboard and preparation method thereof, including ground paper layer, core paper layer and the facial tissue layer being sequentially overlapped； Ground paper layer and/or the core paper layer includes recognizable fiber；The recognizable fiber is primary colour plant fiber, organic pigment colouring String or basic-dyeable fibre colouring degradable synthetic fibers.Compared with prior art, what the present invention was added is recognizable Fiberoptic scope is wide, cost is low, it is degradable, can whole recyclings, safety, energy-saving and environmental protection, meanwhile, make paper board strength with Toughness is preferable, and identifiability is strong, and printing performance is excellent.
Brief description of the drawings
Fig. 1 is the structural representation of cardboard of the present invention；
Fig. 2 is the schematic flow sheet of paperboard making process of the present invention；
Fig. 3 is the schematic flow sheet of paperboard making process of the present invention；
Fig. 4 is the schematic flow sheet of paperboard making process of the present invention；
Fig. 5 is the photo that the cardboard paper that the recognizable slurry of primary colour plant fiber is manufactured paper with pulp is added in the embodiment of the present invention 1；
Fig. 6 is the photo paper that the cardboard that organic pigment colouring plant fiber pulp is manufactured paper with pulp is added in the embodiment of the present invention 4；
Fig. 7 is the photo papers that the cardboard that the degradable synthetic fibers of basic-dyeable fibre colouring are manufactured paper with pulp is added in the embodiment of the present invention 7 .
Embodiment
The invention provides a kind of cardboard, including ground paper layer, core paper layer and the facial tissue layer being sequentially overlapped；The ground paper layer And/or core paper layer includes recognizable fiber；The recognizable fiber is primary colour plant fiber, the string of organic pigment colouring Or the degradable synthetic fibers of basic-dyeable fibre colouring.
The thickness of the ground paper layer is preferably 30~150 μm, more preferably 50~100 μm；The grammes per square metre of the ground paper layer is excellent Elect 30~75g/m as2, more preferably 40~60g/m2；The weight of the ground paper layer is preferably the 10 of anti-counterfeiting coating white card paper weight ~25%.The composition of ground paper layer of the present invention is identical with composition well known to those skilled in the art, has no special limitation, this The slurry for inventing the ground paper layer preferably includes 75~100wt% bleaching broad-leaved wood sulphate pulp；In the ground paper layer slurry It is preferably fresh slurry to bleach broad-leaved wood sulphate pulp.
The thickness of the core paper layer is preferably 90~400 μm, more preferably 150~300 μm；The grammes per square metre of the core paper layer is excellent Elect 64~254g/m as2, more preferably 100~200g/m2；The weight of the core paper layer is preferably anti-counterfeiting coating white card paper weight 35~75%, more preferably 50~60%.The composition of core paper layer of the present invention and composition well known to those skilled in the art It is identical, have no special limitation, the slurry of core paper layer of the present invention preferably include 40~60wt% bleached chemi-mechanical pulp, 5~ 25wt% bleaching broad-leaved wood sulphate pulp and 25~35wt% broken；Bleaching leaf wood sulfuric acid in core paper layer slurry's material Salt slurry is preferably fresh slurry.
Ground paper layer and/or the core paper layer includes recognizable fiber；The slurry of the ground paper layer and/or the slurry of core paper layer In can recognize that the content of fiber is preferably 5~25wt%, more preferably 7~20wt% independently of one another, further preferably for 8~ 15wt%, most preferably 10~15wt%；In some embodiments provided by the invention, it can recognize that in the slurry of the ground paper layer The content of fiber is preferably 15%；In some embodiments provided by the invention, fiber is can recognize that in the slurry of the core paper layer Content be preferably 15%；In some embodiments provided by the invention, containing for fiber is can recognize that in the slurry of the core paper layer Amount is preferably 13%, and the content that fiber is can recognize that in the slurry of the ground paper layer is preferably 10%；More provided by the invention In embodiment, the content that fiber is can recognize that in the slurry of the ground paper layer is preferably 11%；In some implementations provided by the invention In example, the content that fiber is can recognize that in the slurry of the core paper layer is preferably 13%；In some embodiments provided by the invention, The content that fiber is can recognize that in the slurry of the core paper layer is preferably 10%, and containing for fiber is can recognize that in the slurry of the ground paper layer Amount is preferably 7%；It can recognize that the content of fiber is preferred in some embodiments provided by the invention, in the slurry of the ground paper layer For 8%；In some embodiments provided by the invention, the content that fiber is can recognize that in the slurry of the core paper layer is preferably 11%；In other embodiments that invention provides, the content that fiber is can recognize that in the slurry of the core paper layer is preferably 9%, The content that fiber is can recognize that in the slurry of the ground paper layer is preferably 5%.
In the present invention, the recognizable fiber is primary colour plant fiber, the string of organic pigment colouring or alkalescence dye Expect the degradable synthetic fibers of colouring；This three can be commercially available, or make by oneself, have no special limitation.
Wherein, the primary colour plant fiber is that separation is i.e. available from primary colour plant, without being chemically treated, as Recognizable fiber, can reduce the use of chemicals, energy-conserving and environment-protective, reduce the pollution to environment, and without chemically treated String intensity is high, and identifiability is good, and printing adaptability is preferable.
The string of the organic pigment colouring is preferably prepared in accordance with the following methods：String is diluted into size degradation, obtained To the slurry of dilution, then add organic pigment and obtain the string of organic pigment colouring.Wherein, in the slurry of the dilution The concentration of string is preferably 3~6wt%；The amount that the organic pigment adds is preferably 1~1000ppm, and more preferably 10 ~1000ppm, it is further preferably 100~1000ppm, is further preferably 500~1000ppm.The organic pigment is preferably anion The organic scattered pigment of phthalocyanine type；The particle diameter of the organic pigment is preferably 1~50nm；The color of the organic pigment is preferably One or more in red, yellow and basket.
The degradable synthetic fibers of basic-dyeable fibre colouring are preferably prepared in accordance with the following methods：Degradable synthetic fibers are dilute Release, the slurry diluted, then add basic dyeing, obtain the degradable synthetic fibers of basic-dyeable fibre colouring；It is described The concentration of degradable synthetic fibers is preferably 4~6wt% in the slurry of dilution；The amount that the basic-dyeable fibre adds is preferably 1~ 1000ppm, more preferably 10~1000ppm, it is further preferably 100~1000ppm, most preferably 500~1000ppm；It is described to have The pigment of engine dyeing material is preferably red, it is yellow with it is basket in one or more.
The thickness of the facial tissue layer is preferably 35~150 μm, more preferably 50~100 μm；The grammes per square metre of the facial tissue layer is excellent Elect 30~75g/m as2, more preferably 40~60g/m2；The weight of the facial tissue layer is preferably the 15 of anti-counterfeiting coating white card paper weight ~40%, more preferably 20~30%.The composition of facial tissue layer of the present invention is identical with composition well known to those skilled in the art, Have no special limitation, the slurry of facial tissue layer of the present invention preferably include 65~85wt% bleaching broad-leaved wood sulphate pulp and 15~ 35wt% bleached softwood wood NBSK；Bleaching broad-leaved wood sulphate pulp in the facial tissue layer slurry is preferably fresh slurry；Institute The bleached softwood wood NBSK stated in facial tissue layer slurry is preferably fresh slurry.
According to the present invention, the facial tissue layer surface is preferably also superimposed with coating layer；The coating layer preferably includes precoated shet With finishing coat；The coating weight of the precoated shet is preferably 12~14g/cm2；The coating weight of the finishing coat is preferably 10~12g/ cm2。
The recognizable fiberoptic scope that is added of the present invention is wide, cost is low, it is degradable, can whole recyclings, safety, Energy-saving and environmental protection, meanwhile, make paper board strength preferable with toughness, identifiability is strong, and printing performance is excellent；And institute of the present invention Bleaching broad-leaved wood sulphate pulp and bleached softwood wood NBSK are fresh slurry, can reduce energy consumption during page is manufactured paper with pulp, Human resources are saved, using water wisely, can also make formation of sheet good, intensity is high, and planarization is good.
Present invention also offers a kind of preparation method of above-mentioned cardboard, including：
The slurry of the slurry of ground paper layer, the slurry of core paper layer and facial tissue layer is molded through papermaking machine dewatering, be compound, is squeezed, After drying, cardboard is obtained；Recognizable fiber is included in the slurry of the ground paper layer and/or the slurry of core paper layer.
According to the present invention, after drying, preferably also it is glued, is coated with and press polish.
As currently preferred technical scheme, the production technology of the identification fiber sheet of the fiber containing primary colour plant, Comprise the following steps：By bleached chemi-mechanical pulp and primary colour plant fiber respectively through pulper size degradation, through mill paste mill grinding Entering surface, core, three layers of bottom fourdrinier wire after slurry fresh with bleaching leaf wood sulfate after defibrination, bleached sulphate softwood pulp are with slurry afterwards The paper machine of shaping, carries out compound in paper machine after dehydration forming, squeezed, dried, be glued, be coated with and pressed after compound Light, most afterwards through batching, rewinding, packing finished product.It is fine comprising primary colour plant in the slurry of the ground paper layer and/or the slurry of core paper layer Dimension.
As currently preferred technical scheme, the identification fiber sheet of the string of the colouring containing organic pigment Production technology, comprise the following steps：String pulpboard dilutes size degradation, and concentration is 3~6wt%；Add in slurry after dilution Fiber is identified after entering organic pigment colouring.1~1000ppm of addition；By obtained identification fiber, bleaching leaf wood sulphur The fresh slurry of hydrochlorate, the fresh slurry of bleached softwood wood sulfate each directly send disc mill defibrination process, and bleached chemi-mechanical pulp is through pulper Size degradation, send mill paste mill grinding handle, the above-mentioned various slurries after defibrination process according to setting ratio it is with slurry after entering surface, The paper machine of three layers of core, bottom fourdrinier forming, carries out compound in paper machine after dehydration forming, squeezed, dried, applied after compound Glue, coating and press polish, most afterwards through batching, rewinding, packing finished product.Wrapped in the slurry of the ground paper layer and/or the slurry of core paper layer The string of the colouring containing organic pigment.
As currently preferred technical scheme, the identification fiber of the degradable synthetic fibers of the colouring containing basic-dyeable fibre The production technology of cardboard, comprises the following steps：By degradable synthetic fibers according to 4~6wt% concentration dilutions；Slurry after dilution Basic dyeing is added in material and is identified fiber, addition is 1~1000ppm；Bleached chemi-mechanical pulp is broken through pulper Solve, send mill paste mill grinding to handle, the fresh slurry of bleaching leaf wood sulfate, bleached softwood wood NBSK directly send disc mill to grind Slurry processing, the above-mentioned various slurries after defibrination process with it is obtained identification fiber according to setting ratio it is with slurry after entering surface, The paper machine of three layers of core, bottom fourdrinier forming, carries out compound in paper machine after dehydration forming, squeezed, dried, applied after compound Glue, coating and press polish, most afterwards through batching, rewinding, packing finished product.Wrapped in the slurry of the ground paper layer and/or the slurry of core paper layer Containing the degradable synthetic fibers painted containing basic-dyeable fibre.
In order to further illustrate the present invention, with reference to embodiments to a kind of cardboard provided by the invention and preparation method thereof It is described in detail.
Reagent used is commercially available in following examples.
Referring to Fig. 1, Fig. 1 is the structural representation of cardboard, the body paper includes facial tissue layer 103, the core paper being sequentially overlapped Layer 102 and ground paper layer 101；Be coated with coating layer on the facial tissue layer 103, the coating layer from inside to outside successively include precoated shet 104, Finishing coat 105.
The wood pulp component and percentage by weight of the facial tissue layer 103 be：65~85wt% bleaching broad-leaved wood sulphate pulp, 15 ~35wt% bleached softwood wood NBSK.
The wood pulp component and percentage by weight of the core paper layer 102 be：40~60wt% bleached chemi-mechanical pulp, 5~ 25wt% bleaching broad-leaved wood sulphate pulp and 25~35wt% broken.
The wood pulp component and percentage by weight of the ground paper layer 101 be：75~100wt% bleaching broad-leaved wood sulphate pulp.
In facial tissue layer 103, core paper layer 102 and ground paper layer 101, bleaching broad-leaved wood sulphate pulp is fresh slurry.
The precoated shet 104, the coating weight of finishing coat 105 are respectively 12~14 grams/m, 10~12 grams/m.It is described Coating is coated using the coating in traditional handicraft.
Embodiment 1
According to technological process shown in Fig. 2, primary colour plant fiber can recognize that fiber pulp：Air-dried primary colour plant fiber can recognize that Fiber board send taper thread grinding paste mill grinding to handle according to 5% concentration dilution size degradation.
Bleach broad-leaved wood sulphate pulp：The fresh slurry of bleaching leaf wood sulfate of 10wt% concentration is dilute by 5wt% concentration Release, send mill paste mill grinding to handle.
Bleached softwood wood NBSK：The fresh slurry of bleaching leaf wood sulfate of 10wt% concentration is dilute by 5wt% concentration Release, send mill paste mill grinding to handle.
Bleached chemi-mechanical pulp：Air-dried bleached chemi-mechanical pulp plate is pressed to 5wt% concentration dilution size degradation, send fluffer Processing.
Broken：Caused dry broke and wet broke are sent in broken mill after broken thickener concentration in production process Processing.
Facial tissue layer slurry：Wood pulp (percentage by weight：Bleach broad-leaved wood sulphate pulp 80%, bleached softwood wood NBSK 20%) enter paper movement net filtration after slurry, defibrination to handle.
Core paper layer slurry expects：Wood pulp (percentage by weight：Bleached chemi-mechanical pulp 50%, broad-leaved wood sulphate pulp 20% is bleached, Broken 30%) enter the processing of paper machine side net filtration after slurry, defibrination.
Ground paper layer slurry：Wood pulp (percentage by weight：Recognizable fiber 15%, bleaches broad-leaved wood sulphate pulp 85%) through mixed Enter paper machine spacer screen filtration treatment after slurry, defibrination.
Then by long mesh paper making machine three be laminated add-on type processing, produce with 103 facial tissue layers, 102 core paper layers and added with The l Water Paper page of 101 ground paper layers of fiber is identified, the l Water Paper page obtains body paper after drying, top sizing, press polish, then is applied Cloth；Precoated shet is coated with surface layer, finishing coat is coated with precoated shet, most afterwards through press polish, batch, rewinding, packing finished product.
Coating carries out secondary coating by scraper, is divided into precoating and face applies.Precoated shet 104 is initially formed, re-forms finishing coat 105。
Precoating is carried out with the coating formula that face applies according to traditional coating process.
Precoated shet coating weight is coated by 13 grams/m, and surface layer coating weight is coated by 11 grams/m.
The cardboard produced carries out indices contrast compared with the common cardboard of identical grammes per square metre on the market, as a result shows the present invention Paperboard properties containing identification fiber is superior to common cardboard.Cardboard of the present invention containing identification fiber overleaf can be observed substantially To primary colour plant fiber, there is significant difference with common cardboard.
Following table is the cardboard physical index detection pair that is obtained in the common cardboard in market and the embodiment of the present invention 1 of 220 grammes per square metres Than.
The cardboard obtained in the embodiment 1 of table 1 and common cardboard physical property testing result
Embodiment 2
According to technological process shown in Fig. 2, primary colour plant fiber can recognize that fiber pulp：Air-dried primary colour plant fiber can recognize that Fiber board send taper thread grinding paste mill grinding to handle according to 5wt% concentration dilution size degradation.
Bleach broad-leaved wood sulphate pulp：The fresh slurry of bleaching leaf wood sulfate of 10wt% concentration is dilute by 5wt% concentration Release, send mill paste mill grinding to handle.
Bleached softwood wood NBSK：The fresh slurry of the bleached softwood wood sulfate of 10wt% concentration is dilute by 5wt% concentration Release, send mill paste mill grinding to handle.Bleached chemi-mechanical pulp：Air-dried bleached chemi-mechanical pulp plate is pressed to 5wt% concentration Size degradation is diluted, send fluffer to handle.
Broken：Caused dry broke and wet broke are sent in broken mill after broken thickener concentration in production process Processing.
Facial tissue layer slurry：Wood pulp (percentage by weight：Bleach broad-leaved wood sulphate pulp 80wt%, bleached softwood wood sulfate 20%) slurry enters paper movement net filtration after slurry, defibrination and handled.
Core paper layer slurry expects：Wood pulp (percentage by weight：Bleached chemi-mechanical pulp 45wt%, bleach broad-leaved wood sulphate pulp 10wt%, broken 30wt%, recognizable fiber 15wt%) slurry, enter paper machine side net filtration after defibrination and handle.
Ground paper layer slurry：Wood pulp (mass percent：Bleaching broad-leaved wood sulphate pulp 100%) enter after slurry, defibrination Paper machine spacer screen filtration treatment.
Then by long mesh paper making machine three be laminated add-on type processing, produce with 103 facial tissue layers, 101 ground paper layers and added with The l Water Paper page of 102 core paper layers of fiber is identified, the l Water Paper page obtains body paper after drying, top sizing, press polish, then is applied Cloth；Precoated shet is coated with facial tissue layer, finishing coat is coated with precoated shet, most afterwards through press polish, batch, rewinding, packing finished product.
Coating carries out secondary coating by scraper, is divided into precoating and face applies.Precoated shet 104 is initially formed, re-forms finishing coat 105。
Precoating is carried out with the coating formula that face applies according to traditional coating process.
Precoated shet coating weight is coated by 13 grams/m, and surface layer coating weight is coated by 11 grams/m.
The cardboard produced carries out indices contrast compared with the common cardboard of identical grammes per square metre on the market, as a result shows the present invention Paperboard properties containing identification fiber is superior to common cardboard.Cardboard of the present invention containing identification fiber can be observed substantially in bottom To primary colour plant fiber, cardboard has significant difference with common cardboard.
Following table is the cardboard physical index detection pair that is obtained in the common cardboard in market and the embodiment of the present invention 2 of 220 grammes per square metres Than.
The physical property testing result of the cardboard obtained in the embodiment 2 of table 2 and common cardboard
Embodiment 3
According to technological process shown in Fig. 2, primary colour plant fiber recognition fiber pulp：By air-dried primary colour plant fiber recognition fiber Pulpboard send taper thread grinding paste mill grinding to handle according to 5wt% concentration dilution size degradation.
Bleach broad-leaved wood sulphate pulp：The fresh slurry of bleaching leaf wood sulfate of 10wt% concentration is dilute by 5wt% concentration Release, send mill paste mill grinding to handle.
Bleached softwood wood NBSK：The fresh slurry of the bleached softwood wood sulfate of 10wt% concentration is dilute by 5wt% concentration Release, send mill paste mill grinding to handle.Bleached chemi-mechanical pulp：Air-dried bleached chemi-mechanical pulp plate is pressed to 5wt% concentration Size degradation is diluted, send fluffer to handle.
Broken：Caused dry broke and wet broke are sent in broken mill after broken thickener concentration in production process Processing.
Facial tissue layer slurry：Wood pulp (percentage by weight：Bleach broad-leaved wood sulphate pulp 80wt%, bleached softwood wood sulfate Starch 20wt%) enter the processing of paper movement net filtration after slurry, defibrination.
Core paper layer slurry expects：Wood pulp (percentage by weight：Bleached chemi-mechanical pulp 46wt%, bleach broad-leaved wood sulphate pulp 13wt%, broken 28wt%, can recognize that fiber 13wt%) enter the processing of paper machine side net filtration after slurry, defibrination.
Ground paper layer slurry：Wood pulp (percentage by weight：Recognizable fiber 10wt%, bleaches broad-leaved wood sulphate pulp 90wt%) Enter paper machine spacer screen filtration treatment after slurry, defibrination.
Then add-on type processing is laminated by long mesh paper making machine three, produced with 103 facial tissue layers, added with identification fiber The l Water Paper page of 102 core paper layers and 101 ground paper layers, the l Water Paper page obtains body paper after drying, top sizing, press polish, then carries out Coating；Precoated shet is coated with surface layer, finishing coat is coated with precoated shet, most afterwards through press polish, batch, rewinding, packing finished product.
Coating carries out secondary coating by scraper, is divided into precoating and face applies.Precoated shet 104 is initially formed, re-forms finishing coat 105。
Precoating is carried out with the coating formula that face applies according to traditional coating process.
Precoated shet coating weight is coated by 13 grams/m, and surface layer coating weight is coated by 11 grams/m.
The cardboard produced carries out indices contrast compared with the common cardboard of identical grammes per square metre on the market, as a result shows the present invention Paperboard properties containing identification fiber is superior to common cardboard.Cardboard of the present invention containing identification fiber overleaf can be observed substantially To primary colour plant fiber, there is significant difference with common cardboard.
Following table is the cardboard physical index detection pair that is obtained in the common cardboard in market and the embodiment of the present invention 3 of 220 grammes per square metres Than.
The cardboard obtained in the embodiment 3 of table 3 and common cardboard physical property testing result
Embodiment 4
According to technological process shown in Fig. 3, commodity string pulpboard is pressed into 5wt% concentration size degradations, adds anion phthalein The organic scattered pigment of cyanines type, addition are red 750ppm, yellow 150ppm, blue 100ppm, are stirred 5 minutes, obtain non-white identification Fiber.
Bleach broad-leaved wood sulphate pulp：The fresh slurry of bleaching leaf wood sulfate of 10wt% concentration is dilute by 5wt% concentration Release, send mill paste mill grinding to handle.
Bleached softwood wood NBSK：The fresh slurry of bleaching leaf wood sulfate of 10wt% concentration is dilute by 5wt% concentration Release, send mill paste mill grinding to handle.Bleached chemi-mechanical pulp：Air-dried bleached chemi-mechanical pulp plate is pressed to 5wt% concentration Size degradation is diluted, send fluffer to handle.
Broken：Caused dry broke and wet broke are sent in broken mill after broken thickener concentration in production process Processing.
Facial tissue layer slurry：Wood pulp (percentage by weight：Bleach broad-leaved wood sulphate pulp 80wt%, bleached softwood wood sulfate Starch 20wt%) enter the processing of paper movement net filtration after slurry, defibrination.
Core paper layer slurry expects：Wood pulp (percentage by weight：Bleached chemi-mechanical pulp 55wt%, bleach broad-leaved wood sulphate pulp 17wt%, broken 28wt%) enter the processing of paper machine side net filtration after slurry, defibrination.
Ground paper layer slurry：Wood pulp (percentage by weight：Recognizable fiber 11wt%, bleaches broad-leaved wood sulphate pulp 89wt%) Enter paper machine spacer screen filtration treatment after slurry, defibrination.
Then by long mesh paper making machine three be laminated add-on type processing, produce with 103 facial tissue layers, 102 core paper layers and added with The l Water Paper page of 101 ground paper layers of fiber is identified, the l Water Paper page obtains body paper after drying, top sizing, press polish, then is applied Cloth；Precoated shet is coated with surface layer, finishing coat is coated with precoated shet, most afterwards through press polish, batch, rewinding, packing finished product.
Coating carries out secondary coating by scraper, is divided into precoating and face applies.Precoated shet 104 is initially formed, re-forms finishing coat 105。
Precoating is carried out with the coating formula that face applies according to traditional coating process.
Precoated shet coating weight is coated by 13 grams/m, and surface layer coating weight is coated by 11 grams/m.
The cardboard produced carries out indices contrast compared with the common cardboard of identical grammes per square metre on the market, as a result shows the present invention Paperboard properties containing identification fiber is superior to common cardboard.Cardboard of the present invention containing identification fiber can be observed substantially in bottom Fiber is identified to non-white, cardboard has significant difference with common cardboard.
Following table is the cardboard physical index detection pair that is obtained in the common cardboard in market and the embodiment of the present invention 4 of 215 grammes per square metres Than.
The cardboard obtained in the embodiment 4 of table 4 and common cardboard physical property testing result
Embodiment 5
According to technological process shown in Fig. 3, commodity string pulpboard is pressed into 5wt% concentration size degradations, adds anion phthalein The organic scattered pigment of cyanines type, addition are red 750ppm, yellow 150ppm, blue 100ppm, are stirred 5 minutes, obtain non-white identification Fiber.
Bleach broad-leaved wood sulphate pulp：The fresh slurry of bleaching leaf wood sulfate of 10wt% concentration is dilute by 5wt% concentration Release, send mill paste mill grinding to handle.
Bleached softwood wood NBSK：The fresh slurry of the bleached softwood wood sulfate of 10wt% concentration is dilute by 5wt% concentration Release, send mill paste mill grinding to handle.
Bleached chemi-mechanical pulp：Air-dried bleached chemi-mechanical pulp plate is pressed to 5wt% concentration dilution size degradation, send fluffer Processing.
Broken：Caused dry broke and wet broke are sent in broken mill after broken thickener concentration in production process Processing.
Facial tissue layer slurry：Wood pulp (percentage by weight：Bleach broad-leaved wood sulphate pulp 80wt%, bleached softwood wood sulfate Starch 20wt%) enter the processing of paper movement net filtration after slurry, defibrination.
Core paper layer slurry expects：Wood pulp (percentage by weight：Bleached chemi-mechanical pulp 45wt%, bleach broad-leaved wood sulphate pulp 12wt%, broken 30wt% can recognize that fiber 13wt%) slurry, enter paper machine side net filtration after defibrination and handle.
Ground paper layer slurry：Wood pulp (mass percent：Bleach broad-leaved wood sulphate pulp 100wt%) it is laggard through slurry, defibrination Enter paper machine spacer screen filtration treatment.
Then by long mesh paper making machine three be laminated add-on type processing, produce with 103 facial tissue layers, 101 ground paper layers and added with The l Water Paper page of 102 core paper layers of fiber is identified, the l Water Paper page obtains body paper after drying, top sizing, press polish, then is applied Cloth；Precoated shet is coated with surface layer, finishing coat is coated with precoated shet, most afterwards through press polish, batch, rewinding, packing finished product.
Coating carries out secondary coating by scraper, is divided into precoating and face applies.Precoated shet 104 is initially formed, re-forms finishing coat 105。
Precoating is carried out with the coating formula that face applies according to traditional coating process.
Precoated shet coating weight is coated by 13 grams/m, and surface layer coating weight is coated by 11 grams/m.
The cardboard produced carries out indices contrast compared with the common cardboard of identical grammes per square metre on the market, as a result shows the present invention Paperboard properties containing identification fiber is superior to common cardboard.Cardboard of the present invention containing identification fiber overleaf can be observed substantially Fiber is identified to non-white, has significant difference with common cardboard.
Following table is the cardboard physical index detection pair that is obtained in the common cardboard in market and the embodiment of the present invention 5 of 215 grammes per square metres Than.
The cardboard obtained in the embodiment 5 of table 5 and common cardboard physical property testing result
Embodiment 6
According to technological process shown in Fig. 3, commodity string pulpboard is pressed into 5wt% concentration size degradations, adds anion phthalein The organic scattered pigment of cyanines type, addition are red 750ppm, yellow 150ppm, blue 100ppm, are stirred 5 minutes, obtain non-white identification Fiber.
Bleach broad-leaved wood sulphate pulp：The fresh slurry of bleaching leaf wood sulfate of 10wt% concentration is dilute by 5wt% concentration Release, send mill paste mill grinding to handle.
Bleached softwood wood NBSK：The fresh slurry of the bleached softwood wood sulfate of 10wt% concentration is dilute by 5wt% concentration Release, send mill paste mill grinding to handle.
Bleached chemi-mechanical pulp：Air-dried bleached chemi-mechanical pulp plate is pressed to 5wt% concentration dilution size degradation, send fluffer Processing.
Broken：Caused dry broke and wet broke are sent in broken mill after broken thickener concentration in production process Processing.
Facial tissue layer slurry：Wood pulp (percentage by weight：Bleach broad-leaved wood sulphate pulp 80wt%, bleached softwood wood sulfate Starch 20wt%) enter the processing of paper movement net filtration after slurry, defibrination.
Core paper layer slurry expects：Wood pulp (percentage by weight：Bleached chemi-mechanical pulp 45wt%, bleach broad-leaved wood sulphate pulp 15wt%, broken 30wt%, can recognize that fiber 10wt%) enter the processing of paper machine side net filtration after slurry, defibrination.
Ground paper layer slurry：Wood pulp (percentage by weight：Recognizable fiber 7wt%, bleaches broad-leaved wood sulphate pulp 93wt%) Enter paper machine spacer screen filtration treatment after slurry, defibrination.
Then add-on type processing is laminated by long mesh paper making machine three, produced with 103 facial tissue layers, added with identification fiber The l Water Paper page of 102 core paper layers and 101 ground paper layers, the l Water Paper page obtains body paper after drying, top sizing, press polish, then carries out Coating；Precoated shet is coated with surface layer, finishing coat is coated with precoated shet, most afterwards through press polish, batch, rewinding, packing finished product.
Coating carries out secondary coating by scraper, is divided into precoating and face applies.Precoated shet 104 is initially formed, re-forms finishing coat 105。
Precoating is carried out with the coating formula that face applies according to traditional coating process.
Precoated shet coating weight is coated by 13 grams/m, and surface layer coating weight is coated by 11 grams/m.
The cardboard produced carries out indices contrast compared with the common cardboard of identical grammes per square metre on the market, as a result shows the present invention Paperboard properties containing identification fiber is superior to common cardboard.Cardboard of the present invention containing identification fiber overleaf can be observed substantially Fiber is identified to non-white, has significant difference with common cardboard.
Following table is the cardboard physical index detection pair that is obtained in the common cardboard in market and the embodiment of the present invention 6 of 215 grammes per square metres Than.
The cardboard obtained in the embodiment 6 of table 6 and common cardboard physical property testing result
Embodiment 7
According to technological process shown in Fig. 4, degradable polyester fiber is pressed into 5wt% concentration dilutions, added alkaline direct Dyestuff, addition are red 900ppm, yellow 400ppm, blue 280ppm, are stirred 5 minutes, obtain non-white identification fiber.
Bleach broad-leaved wood sulphate pulp：The fresh slurry of bleaching leaf wood sulfate of 10wt% concentration is dilute by 5wt% concentration Release, send mill paste mill grinding to handle.
Bleached softwood wood NBSK：The fresh slurry of the bleached softwood wood sulfate of 10wt% concentration is dilute by 5wt% concentration Release, send mill paste mill grinding to handle.
Bleached chemi-mechanical pulp：Air-dried bleached chemi-mechanical pulp plate is pressed to 5wt% concentration dilution size degradation, send fluffer Processing.
Broken：Caused dry broke and wet broke are sent in broken mill after broken thickener concentration in production process Processing.
Facial tissue layer slurry：Wood pulp (percentage by weight：Bleach broad-leaved wood sulphate pulp 80wt%, bleached softwood wood sulfate Starch 20wt%) enter the processing of paper movement net filtration after slurry, defibrination.
Core paper layer slurry expects：Wood pulp (percentage by weight：Bleached chemi-mechanical pulp 55wt%, bleach broad-leaved wood sulphate pulp 19wt%, broken 26wt%) enter the processing of paper machine side net filtration after slurry, defibrination.
Ground paper layer slurry：Wood pulp (percentage by weight：Recognizable fiber 8wt%, bleaches broad-leaved wood sulphate pulp 92wt%) Enter paper machine spacer screen filtration treatment after slurry, defibrination.
Then by long mesh paper making machine three be laminated add-on type processing, produce with 103 facial tissue layers, 102 core paper layers and added with The l Water Paper page of 101 ground paper layers of fiber is identified, the l Water Paper page obtains body paper after drying, top sizing, press polish, then is applied Cloth；Precoated shet is coated with surface layer, finishing coat is coated with precoated shet, most afterwards through press polish, batch, rewinding, packing finished product.
Coating carries out secondary coating by scraper, is divided into precoating and face applies.Precoated shet 104 is initially formed, re-forms finishing coat 105。
Precoating is carried out with the coating formula that face applies according to traditional coating process.
Precoated shet coating weight is coated by 13 grams/m, and surface layer coating weight is coated by 11 grams/m.
The cardboard produced carries out indices contrast compared with the common cardboard of identical grammes per square metre on the market, as a result shows the present invention Paperboard properties containing identification fiber is superior to common cardboard.Cardboard of the present invention containing identification fiber overleaf can be observed substantially Fiber is identified to non-white, has significant difference with common cardboard.
Following table contrasts for the common cardboard in market of 225 grammes per square metres with the present invention physical index detection of the fiber sheet containing identification.
The cardboard obtained in the embodiment 7 of table 7 and common cardboard physical property testing result
Embodiment 8
According to technological process shown in Fig. 4, degradable polyester fiber is pressed into 5wt% concentration dilutions, added alkaline direct Dyestuff, addition are red 900ppm, yellow 400ppm, blue 280ppm, are stirred 5 minutes, obtain non-white identification fiber.
Bleach broad-leaved wood sulphate pulp：The fresh slurry of bleaching leaf wood sulfate of 10wt% concentration is dilute by 5wt% concentration Release, send mill paste mill grinding to handle.
Bleached softwood wood NBSK：The fresh slurry of the bleached softwood wood sulfate of 10wt% concentration is dilute by 5wt% concentration Release, send mill paste mill grinding to handle.
Bleached chemi-mechanical pulp：Air-dried bleached chemi-mechanical pulp plate is pressed to 5wt% concentration dilution size degradation, send fluffer Processing.
Broken：Caused dry broke and wet broke are sent in broken mill after broken thickener concentration in production process Processing.
Facial tissue layer slurry：Wood pulp (percentage by weight：Bleach broad-leaved wood sulphate pulp 80wt%, bleached softwood wood sulfate Starch 20wt%) enter the processing of paper movement net filtration after slurry, defibrination.
Core paper layer slurry expects：Wood pulp (percentage by weight：Bleached chemi-mechanical pulp 45wt%, bleach broad-leaved wood sulphate pulp 14wt%, broken 30wt% can recognize that fiber 11wt%) slurry, enter paper machine side net filtration after defibrination and handle.
Ground paper layer slurry：Wood pulp (mass percent：Bleach broad-leaved wood sulphate pulp 100wt%) it is laggard through slurry, defibrination Enter paper machine spacer screen filtration treatment.
Then add-on type processing is laminated by long mesh paper making machine three, produced with 103 surface layers, 101 bottoms and added with identification The l Water Paper page of 102 sandwich layers of fiber, the l Water Paper page obtains body paper after drying, top sizing, press polish, then is coated； Precoated shet is coated with surface layer, finishing coat is coated with precoated shet, most afterwards through press polish, batch, rewinding, packing finished product.
Coating carries out secondary coating by scraper, is divided into precoating and face applies.Precoated shet 104 is initially formed, re-forms finishing coat 105。
Precoating is carried out with the coating formula that face applies according to traditional coating process.
Precoated shet coating weight is coated by 13 grams/m, and surface layer coating weight is coated by 11 grams/m.
The cardboard produced carries out indices contrast compared with the common cardboard of identical grammes per square metre on the market, as a result shows the present invention Paperboard properties containing identification fiber is superior to common cardboard.Cardboard of the present invention containing identification fiber overleaf can be observed substantially Fiber is identified to non-white, has significant difference with common cardboard.
Following table is the cardboard physical index detection pair that is obtained in the common cardboard in market and the embodiment of the present invention 8 of 225 grammes per square metres Than.
The cardboard obtained in the embodiment 8 of table 8 and common cardboard physical property testing result
Embodiment 9
According to technological process shown in Fig. 4, degradable polyester fiber is pressed into 5wt% concentration dilutions, added alkaline direct Dyestuff, addition are red 900ppm, yellow 400ppm, blue 280ppm, are stirred 5 minutes, obtain non-white identification fiber.
Bleach broad-leaved wood sulphate pulp：The fresh slurry of bleaching leaf wood sulfate of 10wt% concentration is dilute by 5wt% concentration Release, send mill paste mill grinding to handle.
Bleached softwood wood NBSK：The fresh slurry of the bleached softwood wood sulfate of 10wt% concentration is dilute by 5wt% concentration Release, send mill paste mill grinding to handle.
Bleached chemi-mechanical pulp：Air-dried bleached chemi-mechanical pulp plate is pressed to 5wt% concentration dilution size degradation, send fluffer Processing.
Broken：Caused dry broke and wet broke are sent in broken mill after broken thickener concentration in production process Processing.
Facial tissue layer slurry：Wood pulp (percentage by weight：Bleach broad-leaved wood sulphate pulp 80wt%, bleached softwood wood sulfate Starch 20wt%) enter the processing of paper movement net filtration after slurry, defibrination.
Core paper layer slurry expects：Wood pulp (percentage by weight：Bleached chemi-mechanical pulp 41wt%, bleach broad-leaved wood sulphate pulp 20wt%, broken 30wt%, can recognize that fiber 9wt%) enter the processing of paper machine side net filtration after slurry, defibrination.
Ground paper layer slurry：Wood pulp (percentage by weight：Recognizable fiber 5wt%, bleaches broad-leaved wood sulphate pulp 95wt%) Enter paper machine spacer screen filtration treatment after slurry, defibrination.
Then add-on type processing is laminated by long mesh paper making machine three, produced with 103 facial tissue layers, added with identification fiber The l Water Paper page of 102 core paper layers and 101 ground paper layers, the l Water Paper page obtains body paper after drying, top sizing, press polish, then carries out Coating；Precoated shet is coated with surface layer, finishing coat is coated with precoated shet, most afterwards through press polish, batch, rewinding, packing finished product.
Coating carries out secondary coating by scraper, is divided into precoating and face applies.Precoated shet 104 is initially formed, re-forms finishing coat 105。
Precoating is carried out with the coating formula that face applies according to traditional coating process.
Precoated shet coating weight is coated by 13 grams/m, and surface layer coating weight is coated by 11 grams/m.
The cardboard produced carries out indices contrast compared with the common cardboard of identical grammes per square metre on the market, as a result shows the present invention Paperboard properties containing identification fiber is superior to common cardboard.Cardboard of the present invention containing identification fiber overleaf can be observed substantially Fiber is identified to non-white, has significant difference with common cardboard.
Following table is the cardboard physical index detection pair that is obtained in the common cardboard in market and the embodiment of the present invention 9 of 225 grammes per square metres Than.
The cardboard obtained in the embodiment 9 of table 9 and common cardboard physical property testing result
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should It is considered as protection scope of the present invention.

Claims (1)

1. a kind of cardboard, it is characterised in that including the ground paper layer, core paper layer and facial tissue layer being sequentially overlapped；The ground paper layer and core Ply of paper includes recognizable fiber；The recognizable fiber is the degradable synthetic fibers of basic-dyeable fibre colouring；The ground paper layer It can recognize that the content of fiber is each independently 7~20wt% in the slurry of slurry and core paper layer；
The slurry of the ground paper layer includes 85~100wt% bleaching broad-leaved wood sulphate pulps；The thickness of the ground paper layer be 50~ 100μm；The grammes per square metre of the ground paper layer is 40~60g/m2；
The slurry of the core paper layer includes 41~55wt% bleached chemi-mechanical pulp, 12~20wt% bleaching leaf wood sulfuric acid Salt slurry and 26~30wt% broken；The thickness of the core paper layer is 150~300 μm；The grammes per square metre of the core paper layer be 100~ 200g/m2；
The slurry of the facial tissue layer includes 80wt% bleaching broad-leaved wood sulphate pulp and 20wt% bleached softwood wood sulfate Slurry；The thickness of the facial tissue layer is 50~100 μm；The grammes per square metre of the facial tissue layer is 40~60g/m2；
The degradable synthetic fibers of the basic-dyeable fibre colouring are prepared in accordance with the following methods：
Degradable synthetic fibers are diluted, the slurry diluted, then add basic dyeing, obtain basic-dyeable fibre colouring Degradable synthetic fibers；The concentration of degradable synthetic fibers is 4~6wt% in the slurry of the dilution；The basic-dyeable fibre The amount of addition is 1~1000ppm；The degradable synthetic fibers are degradable polyester fiber.
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CN107591083A (en) * 2017-10-14 2018-01-16 洪亚锋 A kind of antifalsification label preparation method
CN112148044A (en) * 2020-09-27 2020-12-29 湖北泰友纸业有限公司 Temperature control and safety protection system for corrugated paper drying

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CN102926293A (en) * 2012-11-06 2013-02-13 珠海经济特区红塔仁恒纸业有限公司 Solid bleached sulphate (SBS) coating white cardboard and process for producing the same
CN103790069A (en) * 2013-01-24 2014-05-14 万国纸业太阳白卡纸有限公司 Paperboard for anti-counterfeit cigarette
CN103806326A (en) * 2014-02-12 2014-05-21 亚太森博（山东）浆纸有限公司 Liquid packaging body paper board and preparation method thereof
CN104631202A (en) * 2015-01-14 2015-05-20 珠海经济特区红塔仁恒纸业有限公司 Anti-counterfeit coating white cardboard containing dyed wood pulp fibers and production process thereof

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CN102212983A (en) * 2011-04-13 2011-10-12 浙江吉安纸容器有限公司 High-intensity environment-friendly craft paper and manufacturing method thereof
CN102926293A (en) * 2012-11-06 2013-02-13 珠海经济特区红塔仁恒纸业有限公司 Solid bleached sulphate (SBS) coating white cardboard and process for producing the same
CN103790069A (en) * 2013-01-24 2014-05-14 万国纸业太阳白卡纸有限公司 Paperboard for anti-counterfeit cigarette
CN103806326A (en) * 2014-02-12 2014-05-21 亚太森博（山东）浆纸有限公司 Liquid packaging body paper board and preparation method thereof
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Denomination of invention: The invention relates to a paperboard and a preparation method thereof

Effective date of registration: 20211224

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Pledgee: Rizhao Bank Co., Ltd

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