CN107268325A - A kind of packing board and preparation method thereof - Google Patents
A kind of packing board and preparation method thereof Download PDFInfo
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- CN107268325A CN107268325A CN201610218533.6A CN201610218533A CN107268325A CN 107268325 A CN107268325 A CN 107268325A CN 201610218533 A CN201610218533 A CN 201610218533A CN 107268325 A CN107268325 A CN 107268325A
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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
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/02—Chemical or chemomechanical or chemothermomechanical pulp
- D21H11/06—Sulfite or bisulfite pulp
-
- 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
- D21H11/08—Mechanical or thermomechanical 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
- 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
- B32B2250/00—Layers arrangement
- B32B2250/26—All layers being made of paper or paperboard
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Wrappers (AREA)
Abstract
The invention provides a kind of packing board, it includes being sequentially overlapped the ground paper layer of setting, core paper layer, facial tissue layer and coating, and the ground paper layer is prepared by 5wt%~30wt% bleached kraft pulp and the 70wt%~95wt% undried chemical fresh slurry of broad-leaved；The core paper layer is prepared by 15wt%~45wt% bleached chemical thermomechanical hard wood pulp and 55wt%~85wt% bleached chemical thermomechanical soft wood pulp；The facial tissue layer is prepared by the 15wt%~60wt% undried chemical fresh slurry of broad-leaved of bleached kraft pulp and 40wt%~85wt%.It is that cardboard increases bulk and deflection that the present invention adds bleached chemical thermomechanical pulp in core paper layer；The fresh slurry of undried chemical broad-leaved is added in the paper pulp of ground paper layer and facial tissue layer, using the high intensity of unseasoned fresh slurry, high-stiffness and high microsteping bond strength, finally packing board is added deflection and intensity.
Description
Technical field
The present invention relates to paper wrapper technical field, more particularly to a kind of packing board and its preparation side
Method.
Background technology
With the development of the society, the idea of environmental protection and sustainable development is rooted in the hearts of the people.Currently, exist
In the selection of wine box packaging material, paper container has recyclable, degradable and low in resources consumption
The advantages of, meet the Developing mainstream of environmental protection, account for the main status of wine box packaging material；And
The packaging material proportions such as cortex, wooden, plastics and metal are reduced increasingly.
In papery wine box packaging, classify according to basic, normal, high shelves, different works are respectively adopted
Skill.Low-grade Wine packaging carton typically prints overlay films (plastic foil) using more than 350 grams white boards,
Shape by die-cutting；(it is commonly called as using 250 grams~300 grams or so aluminium foil paperboards more than middle-grade Wine packaging carton
Gold card, silver card, copper card etc.) with 300 grams or so white boards to mount into paperboard, print overlay film
Shape by die-cutting again；High-grade wine box packaging use thickness for 3mm~6mm hardboard manually
Mount exterior facing, bonding forming.
The composites such as white board overlay film, aluminium foil paperboard are not easily recycled, substantial amounts of plastics, gold and silver
Paperboard and other pollutants that can not dissolve, great pressure is brought to our environment.This
Outer white board is too many to mounting complex procedures, the number of patch, and rake angle phenomenon easily occurs in product；Product
Humidity it is too big, infiltration and lost poor ability to moisture content, standing time slightly length change occurs
The phenomenons such as Huang；Facial tissue and base stock rule position are inconsistent, and paper edge is not mounted in same straight line
Paper is forbidden phenomenon；Gluing is not comprehensive or insufficient, or glue is done or pressed not enough during mount；
Because caused by the insufficient strength of binder, there are delamination, influence packaging quality and shelves in packaging
It is secondary, it is impossible to play good sale effect.Thus there is higher-strength, deflection there is provided one kind
Wine box packing board with shock-absorbing capacity is very necessary.
The content of the invention
Present invention solves the technical problem that being to provide a kind of with higher-strength, deflection and buffering
The packing board of performance.
In view of this, this application provides a kind of packing board, including it is sequentially overlapped the bottom of setting
Ply of paper, core paper layer, facial tissue layer and coating, the ground paper layer by 5wt%~30wt% bleaching sulphur
Hydrochlorate is starched and the 70wt%~95wt% fresh slurry of undried chemical bleaching broad-leaved is prepared；It is described
Core paper layer by 15wt%~45wt% bleached chemical thermomechanical hard wood pulp and 55wt%~85wt%
Bleached chemical thermomechanical soft wood pulp prepare；The facial tissue layer is by 15wt%~60wt%
Bleached kraft pulp and the undried chemical bleaching broad-leaveds of 40wt%~85wt% it is fresh slurry be prepared into
Arrive.
It is preferred that, the coating includes the precoated shet, core coating and finishing coat for being sequentially overlapped setting,
The precoated shet is arranged between the core coating and the facial tissue layer.
It is preferred that, the finishing coat includes the calcium carbonate of 50~70 parts by weight, 30~50 parts by weight
China clay, the carboxylic styrene butadiene latex of 11~16 parts by weight, the water repellent agent of 0.3~0.6 parts by weight with
The lubricant of 0.5~0.8 parts by weight.
It is preferred that, the core coating and the precoated shet are each independent to be included：70~90 weight
Part calcium carbonate, the china clay of 10~30 parts by weight, the carboxylic styrene butadiene latex of 10~15 parts by weight,
The lubricant of the water repellent agent of 0.3~0.6 parts by weight and 0.5~0.8 parts by weight.
It is preferred that, the weight of the finishing coat is the 2%~5% of the packing board weight, described
The weight of core coating is the 1%~4% of the packing board weight, and the weight of the precoated shet is institute
State the 2%~6% of packing board weight.
It is preferred that, the weight of the ground paper layer is the 10%~22% of the packing board weight.
It is preferred that, the weight of the core paper layer is the 58%~82% of the packing board weight.
It is preferred that, the weight of the facial tissue layer is the 8%~20% of the packing board weight.
It is preferred that, the weight of the coating is the 5%~15% of the packing board weight.
Present invention also provides a kind of preparation method of packing board, comprise the following steps：
By 5wt%~30wt% bleached kraft pulps and 70wt%~95wt% undried chemistry
After the fresh slurry mixing of broad-leaved, into the bottom head box of folded net paper machine；
By 15wt%~45wt% bleached chemical thermomechanical hard wood pulp with 55wt%~85wt%'s
Bleached chemical thermomechanical soft wood pulp is mixed, into the sandwich layer head box of folded net paper machine；
By undriedization of 15wt%~60wt% bleached kraft pulp and 40wt%~85wt%
The fresh slurry mixing of broad-leaved is learned, into the surface layer head box of folded net paper machine；
Through folding the folded net forming of net paper machine, obtain comprising ground paper layer, the core for being sequentially overlapped setting
The body paper of ply of paper and facial tissue layer；
Will the body paper squeeze after dry, dry again after top sizing, then carry out hard press polish,
Soft calendaring is carried out after Coating, batched successively, obtain packing board after rewinding.
This application provides a kind of packing board, it includes being sequentially overlapped the ground paper layer of setting, core
Ply of paper, facial tissue layer and coating, the ground paper layer by 5wt%~30wt% bleached kraft pulp and
70wt%~95wt% fresh the slurry of undried chemical bleaching broad-leaved is prepared；Core paper layer by
15wt%~45wt% bleached chemical thermomechanical hard wood pulp and 55wt%~85wt% bleaching
Thermomechanical soft wood pulp is learned to prepare；The facial tissue layer by 15wt%~60wt% bleaching sulfuric acid
Salt slurry and the fresh slurry of the undried chemical bleaching broad-leaveds of 40wt%~85wt% are prepared.The present invention exists
The high bleached chemical thermomechanical pulp of bulk is added in core paper layer, to increase the bulk of cardboard
And deflection；The fresh slurry of undried chemical broad-leaved is added in the paper pulp of ground paper layer and facial tissue layer,
Using the unseasoned fresh distinctive high intensity of slurry, high-stiffness and high microsteping bond strength, so that bag
Paper loading plate adds deflection and intensity in the case of quantitatively not increased；The wrapping paper of the application
Plate can be as wine box packing board, and it is compared with existing wine box paper wrapper technology, and not only cost is low,
Environmental protection pressure is small, and avoid grey bottom it is white to mounting the rake angle of generation, mount that paper is inaccurate loosely, bag
The phenomenons such as dress jaundice delamination, improve packaging quality and class.
Brief description of the drawings
Fig. 1 is the structural representation of packing board of the present invention.
Embodiment
For a further understanding of the present invention, with reference to embodiment to the preferred embodiment of the invention
It is described, but it is to be understood that these descriptions are simply the feature for further illustrating the present invention
And advantage, rather than limiting to the claimed invention.
The embodiment of the invention discloses a kind of packing board, including it is sequentially overlapped the base stock of setting
Layer, core paper layer, facial tissue layer and coating, the ground paper layer by 5wt%~30wt% bleaching sulfuric acid
Salt slurry and 70wt%~95wt% fresh slurry of undried chemical bleaching broad-leaved are prepared；The core
Ply of paper by 15wt%~45wt% bleached chemical thermomechanical hard wood pulp and 55wt%~85wt%
Bleached chemical thermomechanical soft wood pulp is prepared；The facial tissue layer by 15wt%~60wt% drift
The white fresh slurry of NBSK and the undried chemical bleaching broad-leaveds of 40wt%~85wt% is prepared.
Herein described packing board in core paper layer by adding the high bleached chemical heat of bulk
Mechanical pulp is ground, the bulk and deflection of cardboard is added；Added not in ground paper layer and facial tissue layer
The fresh slurry of dry chemical broad-leaved, has high intensity, high-stiffness and high microsteping using unseasoned fresh slurry
Bond strength, so that packing board is not in the case of quantitatively increased, adds deflection and strong
Degree.
According to the present invention, the ground paper layer by 5wt%~30wt% bleached kraft pulp and
70wt%~95wt% fresh the slurry of undried chemical bleaching broad-leaved is prepared.The bleaching sulfuric acid
Salt slurry is bleached kraft pulp well known to those skilled in the art, not special to this application
Limitation, preferably, preferably, the bleached kraft pulp is preferably bleaching
Sulfate needle is starched；The fresh slurry of undried chemical bleaching broad-leaved is ripe for those skilled in the art
The fresh slurry of undried chemical bleaching broad-leaved known, has no particular limits to this application.In reality
Apply in example, the content of the bleached kraft pulp is preferably 10wt%~25wt%, implement some
In example, the content of the bleached kraft pulp is preferably 15wt%~20wt%；In embodiment,
The content of the undried fresh slurry of chemical bleaching broad-leaved is preferably 80wt%~90wt%.The application
In, the content of the bleached kraft pulp is excessive, then the planarization of packing board is poor, lines is thick,
Influence cross cutting, conversely, then the pliability of packing board is poor, deflection, insufficient strength.
The grammes per square metre of wine box packaging board is generally 380g/m2。
The weight of ground paper layer described herein is the weight of the packing board
10wt%~22wt%, in embodiment, the weight of the ground paper layer is the packing board weight
10%~14%.
The core paper layer of the base stock layer surface is arranged at by 15wt%~45wt% bleached chemical heat
The bleached chemical thermomechanical soft wood pulp of grinding machine tool hard wood pulp and 55wt%~85wt% is prepared.
Herein described bleached chemical thermomechanical hard wood pulp and the bleached chemical thermomechanical soft wood pulp
It is well known to those skilled in the art, this application is had no particular limits.In embodiment
In, the content of the bleached chemical thermomechanical hard wood pulp is preferably 25wt%~40wt%, more excellent
Elect 30wt%~35wt% as；In embodiment, the bleached chemical thermomechanical soft wood pulp contains
Amount is preferably 60wt%~80wt%, more preferably 70wt%~75wt%.It is described in the application
The too high levels of bleached chemical thermomechanical hard wood pulp, then core paper layer bond strength is not enough, on the contrary
It can influence to print profile pattern, cause printing effect poor.
The weight of herein described core paper layer is the 58%~82% of the packing board weight, in reality
Apply in example, the weight of the core paper layer is the 70%~78% of the packing board weight.
Be arranged at the facial tissue layer of core paper layer surface by 15wt%~60wt% bleached kraft pulp and
The fresh slurry of the undried chemical bleaching broad-leaveds of 40wt%~85wt% is prepared.The bleached sulphate
It is well known to those skilled in the art to starch with the undried fresh slurry of chemical bleaching broad-leaved, right
This application has no particular limits.In embodiment, the content of the bleached kraft pulp is excellent
Elect 20wt%~35wt% as, in certain embodiments, the content of the bleached kraft pulp is more excellent
Elect 45wt%~55wt% as；In embodiment, the undried fresh slurry of chemical bleaching broad-leaved
Content is preferably 45wt%~70wt%, in certain embodiments, the undried chemical bleaching
The content of the fresh slurry of broad-leaved is more preferably 55wt%~65wt%.Bleached kraft pulp described herein
Content cross at most paper printing surface planarization it is poor, influence printing effect, can also influence cross cutting,
Otherwise pliability is poor, deflection and insufficient strength.
The weight of the facial tissue layer is preferably the 8%~20% of the packing board quality, is being implemented
In example, the weight of the facial tissue layer is the 12%~16% of the packing board quality.
The gross mass of herein described facial tissue layer and the ground paper layer accounts for the packing board quality
Proportion it is excessive, then influence the bulk and deflection of packing board, it is impossible to meet wine box into box
Performance；The gross mass of the facial tissue layer and the ground paper layer accounts for the proportion of the packing board quality
It is very few, then the interfacial bonding strength and folding strength of paper are influenceed, to follow-up printing film-pressing strip
Adverse effect.
Herein described coating includes the finishing coat, core coating and precoated shet for being sequentially overlapped setting,
And the precoated shet is arranged between the core coating and the finishing coat.Wherein, the face is applied
Layer includes the calcium carbonate, the china clay of 30~50 parts by weight, 11~16 parts by weight of 50~70 parts by weight
Carboxylic styrene butadiene latex, the lubricant of the water repellent agent of 0.3~0.6 parts by weight and 0.5~0.8 parts by weight；
In embodiment, the finishing coat includes the calcium carbonate of 55~65 parts by weight, 35~45 parts by weight
China clay, the carboxylic styrene butadiene latex of 13~15 parts by weight, the water repellent agent of 0.4~0.5 parts by weight with
The lubricant of 0.6~0.7 parts by weight.In the finishing coat, the water repellent agent and the lubricant
It is material well known to those skilled in the art, this application is had no particular limits.It is described
Core coating includes the calcium carbonate of 70~90 parts by weight, 10~30 with the precoated shet independently of one another
The china clay of parts by weight, the carboxylic styrene butadiene latex of 10~15 parts by weight, the water resistant of 0.3~0.6 parts by weight
Agent and the lubricant of 0.5~0.8 parts by weight；In embodiment, the core coating and the precoating
The respective independent calcium carbonate including 75~85 parts by weight of layer, the china clay of 15~25 parts by weight,
The carboxylic styrene butadiene latex of 10~15 parts by weight, the water repellent agent of 0.4~0.5 parts by weight and 0.6~0.7 weight
Measure the lubricant of part.The weight of herein described coating is the packing board
5wt%~15wt%, in embodiment, the weight of the coating is preferably the packing board weight
7wt%~12wt% of amount.In the present invention, the finishing coat is the packing board gross mass
2%~5%, preferably 2%~4%；The core coating is the 1%~4% of the packing board, excellent
Elect 1~3% as, the precoated shet is the 2%~6% of the packing board, preferably 3~5%.
In above-mentioned coating, the calcium carbonate, china clay, carboxylic styrene butadiene latex, water repellent agent, profit
Lubrication prescription is well known to those skilled in the art, and this application is had no particular limits.
The present invention is also preferably added to low smell environment-friendly type carboxylic in finishing coat, core coating, precoated shet
The chemicals such as base styrene-butadiene latex, lubricant, formaldehydeless water repellent agent and fluorescent whitening agent, by not
With coating composition rational allocation, make into paper pliability height, be difficult explosion, and contain into paper VOC
Low, the low residues of formaldehyde of amount, reaches wine box packing board to the strict demand into paper smell.
Herein described coating is improved effect to the deflection of packing board with intensity, passes through difference
Coating composition rational allocation, makes into that paper pliability is high, be difficult explosion, and into paper VOC content
Low, low residues of formaldehyde, reaches wine box packing board to the strict demand into paper smell.
Present invention also provides a kind of preparation method of packing board, comprise the following steps：
By 5wt%~30wt% bleached kraft pulps and 70wt%~95wt% undried chemistry
After the fresh slurry mixing of broad-leaved, into the bottom head box of folded net paper machine；
By 15wt%~45wt% bleached chemical thermomechanical hard wood pulp with 55wt%~85wt%'s
Bleached chemical thermomechanical soft wood pulp is mixed, into the sandwich layer head box of folded net paper machine；
By undriedization of 15wt%~60wt% bleached kraft pulp and 40wt%~85wt%
The fresh slurry mixing of broad-leaved is learned, into the surface layer head box of folded net paper machine；
Through folding the folded net forming of net paper machine, obtain comprising ground paper layer, the core for being sequentially overlapped setting
The body paper of ply of paper and facial tissue layer；
Will the body paper squeeze after dry, dry again after top sizing, then carry out hard press polish,
Soft calendaring is carried out after Coating, batched successively, obtain packing board after rewinding.
During packing board is prepared, the application is first by ground paper layer, core paper layer and facial tissue
Formable layer, then Coating, obtains packing board.
During packing board is prepared, the step of above-mentioned raw materials enter folded net paper machine sheet
Application is made without special limitation, the folded net paper machine to be well known to those skilled in the art
Paper machine, the bottom head box, sandwich layer head box and surface layer head box are in folded net paper machine
Position relationship is well known to those skilled in the art, herein without special limitation.
After body paper is prepared, the body paper is squeezed.Herein described squeezing is preferred
Squeezed to carry out twice shoe press smooth roll with together with successively；The nip width of the shoe press
5~7 times of preferably common width, are effectively reduced loss of the squeeze pressure to Paper bulk,
The pressure of first of shoe press is preferably 500~700KN/m, the second shoe pressure
The pressure of squeezing is preferably 550~800KN/m, and the smooth roll squeeze pressure is preferably
25~55KN/m；Above-mentioned shoe press is pressure well known to those skilled in the art with smooth roll squeezing
Squeeze, herein without special limitation.
According to the present invention, rear top sizing then is dried in the body paper after squeezing, then carry out
Dry, then carry out carrying out soft calendaring after hard press polish, Coating, finally batched, obtained
To packing board.The pressure of the soft calendaring is preferably 15~30kN/m.Table described herein
Face applying glue, hard press polish and soft calendaring are technological means well known to those skilled in the art, this Shen
Please without special limitation.
Fig. 1 is the structural representation of packing board of the present invention, and wherein B layers is ground paper layer, M layers
For core paper layer, T layers are facial tissue layer, and TC1 layers are precoated shet, and TC2 is core coating, and TC3 is
Finishing coat.
The invention provides a kind of packing board, it is high by adding bulk in core paper layer
Bleached chemical thermomechanical pulp, to increase cardboard bulk and deflection；In ground paper layer and facial tissue layer
Paper pulp in add the fresh slurry of undried chemical broad-leaved, utilize high specific to unseasoned fresh slurry
Intensity, high-stiffness and high microsteping bond strength, so that superelevation bulky wine box packing board is fixed
In the case of amount is not increased, deflection and intensity are added.Compared with existing wine box paper wrapper technology,
Individual superelevation bulking board that the present invention is provided does wine box packaging, and not only cost is low, environmental protection pressure
It is small, and avoid grey bottom it is white to mounting the rake angle of generation, mount that paper is inaccurate loosely, packaging jaundice is de-
The phenomenons such as layer, improve packaging quality and class.Test result indicates that, packing board of the invention
Deflection can reach 1.84cm up to 55mN.m/25mN.m (vertical/horizontal), bulk3/ g, interlayer
Bond strength can reach 200J/m2。
For a further understanding of the present invention, the wrapping paper provided with reference to embodiment the present invention
Plate and preparation method thereof is described in detail, and protection scope of the present invention is not by following examples
Limitation.
Following raw material is commercially available prod or prepared according to existing method.
Embodiment 1
The quantification of 52g/m of facial tissue layer2, using the undried chemical bleaching broad-leaveds of 55wt% it is fresh slurry with
45wt% bleached sulphate needle pulpboards；The quantification of 256g/m of core paper layer2, using 70wt%'s
The bleached chemical thermomechanical hardwood pulpboard of bleached chemical thermomechanical cork pulpboard and 30wt%；
The quantification of 42g/m of ground paper layer2, using the undried chemical bleaching broad-leaveds of 80wt% it is fresh slurry and
20wt% bleached sulphate needle pulpboard.By bleached sulphate needle pulpboard, bleached chemical heat
Grinding machine tool cork pulpboard, bleached chemical thermomechanical hardwood pulpboard pulpboard are broken respectively through pulper
Solution and Pulping Line come drying chemical bleaching broad-leaved it is fresh slurry respectively through slagging-off, fiberizer mashing,
Screening, then mixes in slurry pond, respectively enters surface layer head box, the sandwich layer of folded net paper machine
Head box and bottom head box, net forming is laminated through folded net paper machine three, then by twice shoe
Squeezing and smooth roll squeezing, wherein first of boots pressure pressure is 500KN/m, second boots pressure pressure
For 550KN/m, smooth roll squeeze pressure is adjusted to 25KN/m, obtain certain bulk by
The base board that facial tissue layer, core paper layer are constituted with ground paper layer.
Then dry for the first time, after top sizing, second is dry, into hard press polish,
Coating, precoated shet, core coating and finishing coat are coated with the surface of facial tissue layer successively,
The coating weight of precoated shet and core coating is respectively 11g/m2And 8g/m2, constituent is 90
The calcium carbonate of parts by weight, the china clay of 10 parts by weight, the SBR carboxylic styrene butadiene latexs of 10 parts by weight,
The water repellent agent of 0.5 parts by weight, the lubricant of 0.7 parts by weight and 0.2 part of fluorescent whitening agent；Face
The coating weight of coating is 11g/m2, constituent is the calcium carbonate of 70 parts by weight, 30 parts by weight
China clay, the SBR carboxylic styrene butadiene latexs of 13 parts by weight, the water repellent agent of 0.5 parts by weight, 0.8
The lubricant of parts by weight and 0.2 part of fluorescent whitening agent.
Subsequently into soft calendaring, the pressure of soft calendaring is 15KN/m, into paper machine reeling end,
Batched, rewinding packing obtains quantification of 380g/m2Superelevation bulking board.
The physical property of superelevation bulky packing board to being obtained in embodiment 1 is detected, is examined
Survey result as shown in table 1.The brand wine box of serial tigerkin of commercially available scape spring is right in vain using grey bottom
Mounting technology, its physical index testing result is shown in Table 1.
Embodiment 2
This implementation is identical with the Making programme and machined parameters of embodiment 1, difference be ground paper layer,
The wet end furnish of core paper layer and each layer of facial tissue layer.
The quantification of 52g/m of facial tissue layer2, using the undried chemical bleaching broad-leaveds of 65wt% it is fresh slurry with
35wt% bleached sulphate needle pulpboards；The quantification of 256g/m of core paper layer2, using 60wt%'s
The bleached chemical thermomechanical hardwood pulpboard of bleached chemical thermomechanical cork pulpboard and 40wt%；
The quantification of 42g/m of ground paper layer2, using the undried chemical bleaching broad-leaveds of 85wt% it is fresh slurry and
15wt% bleached sulphate needle pulpboard.
The physical property of superelevation bulky packing board to being obtained in embodiment 2 is detected, is examined
Survey result as shown in table 1.
Embodiment 3
This implementation is identical with the Making programme of embodiment 1, difference be ground paper layer, core paper layer with
Squeeze pressure and soft calendaring pressure in the wet end furnish of each layer of facial tissue layer, processing technology.
The quantification of 52g/m of facial tissue layer2, using the undried chemical bleaching broad-leaveds of 45wt% it is fresh slurry with
55wt% bleached sulphate needle pulpboards；The quantification of 256g/m of core paper layer2, using 75wt%'s
The bleached chemical thermomechanical hardwood pulpboard of bleached chemical thermomechanical cork pulpboard and 25wt%；
The quantification of 42g/m of ground paper layer2, using the undried chemical bleaching broad-leaveds of 75wt% it is fresh slurry and
25wt% bleached sulphate needle pulpboard.
First of boots pressure pressure is 700KN/m, and second boots pressure pressure is 800KN/m, smooth roll
Squeeze pressure is adjusted to 55KN/m, and the pressure of soft calendaring is 30KN/m.
The physical property of superelevation bulky packing board to being obtained in embodiment 3 is detected, is examined
Survey result as shown in table 1.
Embodiment 4
The present embodiment is identical with the Making programme of embodiment 1, and difference is ground paper layer, core paper layer
Match somebody with somebody with facial tissue layer slurry and layered quantitative is distributed.
The quantification of 61g/m of facial tissue layer2, using the undried chemical bleaching broad-leaveds of 65wt% it is fresh slurry with
35wt% bleached sulphate needle pulpboards；The quantification of 266g/m of core paper layer2, using 70wt%'s
The bleached chemical thermomechanical hardwood pulpboard of bleached chemical thermomechanical cork pulpboard and 30wt%；
The quantification of 53g/m of ground paper layer2, using the undried chemical bleaching broad-leaveds of 85wt% it is fresh slurry and
15wt% bleached sulphate needle pulpboard.By bleached sulphate needle pulpboard, bleached chemical heat
Grinding machine tool cork pulpboard, bleached chemical thermomechanical hardwood pulpboard pulpboard are broken respectively through pulper
Solution and Pulping Line come drying chemical bleaching broad-leaved it is fresh slurry respectively through slagging-off, fiberizer mashing,
Screening, then mixes in slurry pond, respectively enters surface layer head box, the sandwich layer of folded net paper machine
Head box and bottom head box, net forming is laminated through folded net paper machine three, then by twice shoe
Squeezing, obtains the base board being made up of facial tissue layer, core paper layer with ground paper layer by certain bulk.
The physical property of superelevation bulky packing board to being obtained in embodiment 4 is detected, is examined
Survey result as shown in table 1.
Comparative example 1
The present embodiment is identical with the Making programme of above-mentioned case study on implementation 1, difference be ground paper layer,
Match somebody with somebody with facial tissue layer slurry kind slurry.
The quantification of 52g/m of facial tissue layer2, floated using 65wt% chemical bleaching broad-leaved pulpboards and 35wt%
White sulfate needle pulpboard；The quantification of 256g/m of core paper layer2, using 75wt% bleached chemical
The bleached chemical thermomechanical hardwood pulpboard of thermomechanical cork pulpboard and 25wt%；Ground paper layer is determined
Measure as 42g/m2, using the undried chemical bleaching broad-leaved pulpboards of 85wt% and 15wt% bleaching
Sulfate needle pulpboard.
The physical property of superelevation bulky packing board to being obtained in comparative example 1 is detected, is examined
Survey result as shown in table 1.
The physical property Testing index of the superelevation bulky wine box cardboard of table 1
Experimental result shows that individual cardboard of the superelevation bulky of the application is quantitative to be far below to mounting cardboard；
Bulk is high, is significantly better than to mounting wine box cardboard, meets the resiliency requirement of wine box packaging；Very
Spend, can reach the deflection to mounting carton；Cardboard interfacial bonding strength is high, is difficult layering.By
Comparative example 1 is visible, using chemical bleaching broad-leaved pulpboard, and deflection, which is less than, uses undried chemistry
Bleach the fresh slurry of broad-leaved.In a word, superelevation bulky individual cardboard based on the application meets high-grade wine box
The requirement of packaging.
The explanation of above example is only intended to help the method and its core that understand the present invention to think
Think.It should be pointed out that for those skilled in the art, not departing from this hair
On the premise of bright principle, some improvement and modification can also be carried out to the present invention, these improve and
Modification is also fallen into the protection domain of the claims in the present invention.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize
Or use the present invention.A variety of modifications to these embodiments come to those skilled in the art
Say and will be apparent, generic principles defined herein can not depart from the present invention's
In the case of spirit or scope, realize in other embodiments.Therefore, the present invention will not be by
It is limited to the embodiments shown herein, and is to fit to and principles disclosed herein and new
The consistent most wide scope of clever feature.
Claims (10)
1. a kind of packing board, including it is sequentially overlapped the ground paper layer of setting, core paper layer, facial tissue
Layer and coating, it is characterised in that the ground paper layer by 5wt%~30wt% bleached kraft pulp
Prepared with the 70wt%~95wt% fresh slurry of undried chemical bleaching broad-leaved；The core paper layer
Bleached chemical thermomechanical hard wood pulp and 55wt%~85wt% bleaching by 15wt%~45wt%
Chemical thermomechanical soft wood pulp is prepared；The facial tissue layer by 15wt%~60wt% bleaching sulphur
Hydrochlorate is starched and the fresh slurry of the undried chemical bleaching broad-leaveds of 40wt%~85wt% is prepared.
2. packing board according to claim 1, it is characterised in that the coating bag
The precoated shet for being sequentially overlapped setting, core coating and finishing coat are included, the precoated shet is arranged at described
Between core coating and the facial tissue layer.
3. packing board according to claim 2, it is characterised in that the finishing coat
Calcium carbonate including 50~70 parts by weight, the china clay of 30~50 parts by weight, 11~16 parts by weight
The lubricant of carboxylic styrene butadiene latex, the water repellent agent of 0.3~0.6 parts by weight and 0.5~0.8 parts by weight.
4. packing board according to claim 2, it is characterised in that the core coating
With the precoated shet is each independent includes：The calcium carbonate of 70~90 parts by weight, 10~30 weight
Part china clay, the carboxylic styrene butadiene latex of 10~15 parts by weight, the water repellent agent of 0.3~0.6 parts by weight with
The lubricant of 0.5~0.8 parts by weight.
5. packing board according to claim 2, it is characterised in that the finishing coat
Weight be the 2%~5% of the packing board weight, the weight of the core coating is the packaging
The 1%~4% of cardboard weight, the weight of the precoated shet is the packing board weight
2%~6%.
6. packing board according to claim 1 or 2, it is characterised in that the bottom
The weight of ply of paper is the 10%~22% of the packing board weight.
7. packing board according to claim 1 or 2, it is characterised in that the core
The weight of ply of paper is the 58%~82% of the packing board weight.
8. packing board according to claim 1 or 2, it is characterised in that the face
The weight of ply of paper is the 8%~20% of the packing board weight.
9. packing board according to claim 1 or 2, it is characterised in that the painting
The weight of layer is the 5%~15% of the packing board weight.
10. a kind of preparation method of packing board, comprises the following steps：
By 5wt%~30wt% bleached kraft pulps and 70wt%~95wt% undried chemistry
After the fresh slurry mixing of broad-leaved, into the bottom head box of folded net paper machine；
By 15wt%~45wt% bleached chemical thermomechanical hard wood pulp with 55wt%~85wt%'s
Bleached chemical thermomechanical soft wood pulp is mixed, into the sandwich layer head box of folded net paper machine；
By undriedization of 15wt%~60wt% bleached kraft pulp and 40wt%~85wt%
The fresh slurry mixing of broad-leaved is learned, into the surface layer head box of folded net paper machine；
Through folding the folded net forming of net paper machine, obtain comprising ground paper layer, the core for being sequentially overlapped setting
The body paper of ply of paper and facial tissue layer；
Will the body paper squeeze after dry, dry again after top sizing, then carry out hard press polish,
Soft calendaring is carried out after Coating, batched successively, obtain packing board after rewinding.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610218533.6A CN107268325A (en) | 2016-04-08 | 2016-04-08 | A kind of packing board and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610218533.6A CN107268325A (en) | 2016-04-08 | 2016-04-08 | A kind of packing board and preparation method thereof |
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| CN109577098A (en) * | 2018-12-24 | 2019-04-05 | 亚太森博（山东）浆纸有限公司 | Coating, art post paperboard |
| CN111139690A (en) * | 2019-12-30 | 2020-05-12 | 宁波亚洲浆纸业有限公司 | Core layer slurry for packaging paperboard and packaging paperboard |
| CN113605134A (en) * | 2020-04-16 | 2021-11-05 | 美真纸板有限公司 | Multilayer fiber board, manufacturing method thereof and use of mechanical pulp |
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| CN109577098A (en) * | 2018-12-24 | 2019-04-05 | 亚太森博（山东）浆纸有限公司 | Coating, art post paperboard |
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Application publication date: 20171020 |