CN106553384A - Extrusion coating paper and its manufacture method, paper making equipment - Google Patents
Extrusion coating paper and its manufacture method, paper making equipment Download PDFInfo
- Publication number
- CN106553384A CN106553384A CN201510616990.6A CN201510616990A CN106553384A CN 106553384 A CN106553384 A CN 106553384A CN 201510616990 A CN201510616990 A CN 201510616990A CN 106553384 A CN106553384 A CN 106553384A
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- China
- Prior art keywords
- paper
- basic unit
- basic
- embossing
- unit
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
- B31F1/07—Embossing, i.e. producing impressions formed by locally deep-drawing, e.g. using rolls provided with complementary profiles
-
- 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
-
- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- 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
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/06—Embossing
-
- 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
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/08—Interconnection of layers by mechanical means
-
- 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
- D21H27/40—Multi-ply at least one of the sheets being non-planar, e.g. crêped
-
- 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
- B32B2307/726—Permeability to liquids, absorption
-
- 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
- B32B2555/00—Personal care
- B32B2555/02—Diapers or napkins
Abstract
The invention discloses a kind of extrusion coating paper, the extrusion coating paper includes at least two basic unit's paper, each basic unit's paper has been respectively formed on embossed pattern, the embossed pattern includes at least two embossing units, each basic unit's paper has two basic surfaces being disposed opposite to each other, at least part of described embossing units on each basic unit's paper are recessed from a basic surface of basic unit's paper, another basic surface remains plane or the region of correspondence recess is raised, at least two basic unit's paper are integrated by the diapire bonding of at least part of embossing units, the thickness of the diapire of the embossing units of two basic unit paper is 1 with the ratio of the distance between two basic surface:3-1:2.The present invention also provides the manufacture method and paper making equipment of the extrusion coating paper.The extrusion coating paper is by being arranged on 1 by the ratio of the distance between the thickness of the diapire of embossing units and two basic surfaces:3-1:In the range of 2 so that extrusion coating paper has good flexibility, sense of touch is good.
Description
Technical field
The present invention relates to a kind of extrusion coating paper, more particularly to a kind of extrusion coating paper manufacture method and make
Paper equipment.
Background technology
Cellulosic fibrous structure the articles for daily uses such as toilet paper, medicated napkin application widely.It is logical
Often paper product is that typically least one layer of basic unit's paper opposite is superimposed to form laminated material
Cellulosic fibrous structure.In order to meet consumers to demand attractive in appearance, manufacturer is using to including
The napkin of multilamellar basic unit paper is embossed technique, is embossed technique and not only causes napkin attractive in appearance, and
The surface area of increase layer, improves loosing character, moisture holding capacity and flexibility.
In prior art, process is generally embossed to multi-ply paper, but the thickness of multi-ply paper increases
It is limited, or even thickness is increased without being lifted, it is that this researchers is embossed process to multi-ply paper
The technology for being pressed afterwards, so that multi-ply paper is combined together to improve thickness of paper etc.,
But the paper after embossing process is pressed using lamination wheel, it will usually destroy paper entirety
Embossing effects, while its bond strength is low, in the case of water suction, lamination is projected；And adopt
The mode bonded to ply of paper by binding agent, after ply adhesion is carried out using binding agent, due to
Binding agent be dried after, cause paper endure with all one's will, and cause paper water absorbing capacity decline, and this with
Required for us to paper flexibility is improved after embossed paper, the water absorbing capacity of paper is improved
Target is runed counter to.
As can be seen here, the bond strength between multi-layer embossed extrusion coating paper paper how is improved, and causes paper
Face keeps good flexibility, with good water absorbing properties and reduce embossing loss and have become
Difficult problem when puzzlement this area is more.
The content of the invention
The invention mainly solves the technical problem of provide a kind of with bond strength between good paper,
And with the relatively low embossing extrusion coating paper of good flexibility, water absorbing properties.
In order to solve above-mentioned technical problem, a kind of technical scheme that the present invention is adopted is to provide one kind
Extrusion coating paper, the extrusion coating paper include at least two basic unit's paper, and each basic unit's paper has been respectively formed on pressure
Floral pattern, the embossed pattern include at least two embossing units, and each basic unit's paper has two
The basic surface being disposed opposite to each other, at least part of described embossing units on each basic unit's paper certainly should
One basic surface of basic unit's paper is recessed, and another basic surface remains plane or correspondence recess
Region it is raised, diapire bonding of at least two basic unit's paper by least part of embossing units
It is integrated, between the thickness of the diapire of the embossing units of two basic unit paper and two basic surface
Ratio of distances constant be 1:3-1:2.
In order to solve above-mentioned technical problem, another kind of technical scheme that the present invention is adopted is to provide one
The paper making equipment of extrusion coating paper is planted, the paper making equipment includes：
Two embossing devices, are respectively used to be embossed two basic unit's paper, each embossing device tool
There are knurling rolls that are parallel and being oppositely arranged and impression cylinder, two embossing of two embossing device are rolled out
Row and interval setting, projection at least two lobe on the knurling rolls；
The knurling rolls and impression cylinder coordinate to be made to produce pressure through basic unit's paper therebetween
Floral pattern, the embossed pattern include at least two embossing units, and basic unit's paper is opposite with two
The basic surface of setting, the embossing units are recessed from a basic surface of basic unit's paper, another
Basic surface remains plane or the region of correspondence recess is raised, the embossing of two basic unit paper
The thickness of the diapire of unit is 1 with the ratio of the distance between two basic surface:3-1:2；
Two knurling rolls of two embossing device coordinate two basic unit paper made through therebetween
Pressing so that diapire of two basic unit paper by least partly raised embossing units
Bonding is integrated.
In order to solve above-mentioned technical problem, another technical scheme that the present invention is adopted is to provide one
The manufacture method of extrusion coating paper is planted, the manufacture method comprises the steps：
Two basic unit's paper are provided, each basic unit's paper includes two basic surfaces being disposed opposite to each other；
Two basic unit paper is embossed into process respectively, so as to pressure is formed on each basic unit's paper
Floral pattern, the embossed pattern include at least two embossing units, on each basic unit's paper extremely
Embossing units described in small part are recessed from a basic surface of basic unit's paper, and another basic surface is protected
Hold the region projection for plane or correspondence recess, the diapire of the embossing units of two basic unit paper
Thickness and the distance between two basic surface ratio be 1:3-1:2；
Pressing process is carried out to two basic unit's paper after embossing is processed, so that two basic unit passes through
At least partly diapire bonding of the embossing units is integrated.
The situation of prior art is different from, at least two basic unit's paper of the extrusion coating paper that the present invention is provided are formed
The bossing for having embossing units, the embossing units is corresponded and is oppositely arranged, and will be described
The ratio of the thickness of the diapire of the embossing units of two basic unit's paper and the distance between two basic surface
It is arranged on 1:3-1:In the range of 2 so that the extrusion coating paper has good flexibility, and then causes institute
The sense of touch for stating extrusion coating paper is good.
Description of the drawings
Fig. 1 is the generalized section of the extrusion coating paper of embodiment of the present invention；
Fig. 2 is the close-up schematic view of one embodiment of extrusion coating paper shown in Fig. 1；
Fig. 3 is the close-up schematic view of another embodiment of extrusion coating paper shown in Fig. 1；
Fig. 4 be the embossing units of the extrusion coating paper shown in Fig. 1 diapire it is excessively loose in the case of amplification
Schematic diagram；
Fig. 5 be the embossing units of the extrusion coating paper shown in Fig. 1 diapire it is excessively closely knit in the case of amplification
Schematic diagram；
Fig. 6 is the paper making equipment schematic diagram of the extrusion coating paper of the present invention.
Specific embodiment
The present invention is described in detail with embodiment below in conjunction with the accompanying drawings.
Fig. 1 and Fig. 2 is referred to, the extrusion coating paper 10 of the better embodiment that the present invention is provided is described
Extrusion coating paper 10 can be but be not limited to paper for daily use, and the extrusion coating paper 10 includes at least two basic unit's paper
11 and tack coat 13, each basic unit's paper 11 is single-part stationery or multi-ply paper.
Each basic unit's paper 11 is each formed with embossed pattern, and the embossed pattern includes at least two
Individual embossing units 113.Basic unit's paper 11 can be non-woven paper or fibrous paper.The fibrous paper is wood
At least one formation in pulp fibres, bamboo pulp fiber, straw pulp fiber, phragmites communiss pulp fibres.This enforcement
In mode, the extrusion coating paper 10 includes two basic unit's paper 11, and each basic unit's paper 11 includes that two set opposite to each other
The basic surface 115 put, at least part of described embossing units 113 on each basic unit's paper 11
A basic surface 115 from basic unit's paper 11 is recessed, and another basic surface 115 remains plane
Or the region of correspondence recess is raised.
In present embodiment, at least part of described embossing on each basic unit's paper 11 is single
Unit 113 is recessed and from opposite another basic surface from a basic surface 115 of basic unit's paper 11
115 is raised.
Please join Fig. 3, in other embodiments, at least part of institute on each basic unit's paper 11
The basic surface 115 that embossing units 113 are stated from basic unit's paper 11 is recessed, another basic surface
115 remain plane.
Each embossing units 113 include diapire 1131 and the side wall 1133 adjacent with diapire 1131.
In present embodiment, the embossing units 113 of two basic unit paper 11 are corresponded, and corresponding two
The diapire 1131 of embossing units 113 is close to each other.
The embossing units 113 show as point-like or wire, specifically, the embossing units 113
In length and width between ratio be less than or equal to 5, then be point-like；The embossing units 113
In length and width between ratio be more than 5, then be wire.
Two basic unit paper 11 is bonded as by the diapire of at least part of embossing units 113
Integrally, i.e., the embossing list of basic unit's paper 11 wherein described in described at least two basic unit's paper 11
The region of another basic surface 15 corresponding to the recess of unit 113 and another basic unit's paper
The region bonding of another basic surface 15 corresponding to 11 113 recess of the embossing units,
And other parts are not bonded.
The tack coat 13 is formed between two basic unit paper 11, further, the bonding
Layer 13 is formed between the diapire 1131 of two basic unit paper, 11 corresponding embossing units 113, with
The bonding of two basic unit paper 11 is integrated.The tack coat 13 is solidify to form for binding agent, institute
The material for stating binding agent is polyvinyl alcohol series adhesive or thermosetting cationic resinae binding agent, institute
Thermosetting cationic resinae binding agent is stated for polyamide.Described adhesive is viscous for polyethylene kind
During mixture, including the polyvinyl alcohol solid of 2-6%, 85%-95% aqueous solutions, wherein aqueous solution
Preferably 92%-95%；It is when described adhesive is thermosetting cationic resinae binding agent including big
In 1% thermosetting cationic resinae solid, 85%-95% aqueous solutions, wherein aqueous solution are preferred
For 92%-95%.
The thickness of the diapire 1131 of the embossing units 113 of two basic unit paper 11 is basic with described two
The ratio on the distance between surface 115 is 1:3-1:2.Further, the pressure of two basic unit paper 11
The thickness of diapire 1131 of flower unit 113 with the ratio of the distance between two basic surface 115 is
1:2.75-1:2.3。
Fig. 4 is referred to, when the thickness of the diapire 1131 of the embossing units 113 of two basic unit paper 11
Degree is more than 1 with the ratio of the distance between two basic surface 115:When 2,1131st area of the diapire
Domain is excessively loose, when two basic unit paper 11 is pressed, binding agent due to being extruded by power,
Then can be immersed into the diapire 1131 too much, and embossing is immersed in through the diapire 1131
In unit 113, binding agent causes the diapire 1131 of two basic unit's paper 11 to consolidate agglomerating or shape after being dried
Composite adhesives granule, and then cause extrusion coating paper 10 uncomfortable in use.
Fig. 5 is referred to, when the thickness of the diapire 1131 of the embossing units 113 of two basic unit paper 11
Degree is less than 1 with the ratio of the distance between two basic surface 115:When 3,1131st area of the diapire
Domain is excessively closely knit, when two basic unit paper 11 is pressed, binding agent due to being extruded by power,
And smoothly can not immerse into the bottom 1131, then the side wall 1135 is flowed into, causes bonding
13 area coverage of tack coat formed after being dried by agent is excessive, the side wall of the embossing units 113
1135 is harder, and then causes the flexibility of the extrusion coating paper 10 relatively low.
When at least part of described embossing units 113 on each basic unit's paper 11 are from basic unit's paper
11 basic surface 115 is recessed, and the region of the correspondence recess of another basic surface 115 is convex
When rising, the thickness of the extrusion coating paper 10 is equal to the integral thickness sum of two basic unit paper 11, its
The integral thickness of middle basic unit's paper 11 is that the distance between two basic surfaces 115 of basic unit's paper 11 are added
The embossing units 113 formed on basic unit's paper 11 are from 11 1 basic surface of basic unit's paper, 115 outwardly convex
Height；When at least part of described embossing units 113 on each basic unit's paper 11 are from the basic unit
One basic surface 115 of paper 11 is recessed, when another basic surface 115 remains plane, described
The thickness of extrusion coating paper 10 be equal to the distance between two basic surfaces 115 of two basic unit paper 11 and.
It is appreciated that in other embodiments, the extrusion coating paper 10 includes three basic unit's paper 11,
Wherein two basic unit's paper 11 forms embossed pattern, and another basic unit's paper 11 does not form embossed pattern, by institute
State and not form basic unit's paper 11 of embossed pattern and be located in the two basic unit's paper for being formed with embossed pattern
Between 11.
Fig. 6 is referred to, better embodiment of the present invention is also provided for manufacturing the extrusion coating paper 10
Paper making equipment 30, including two embossing devices 31 and coating unit 33.
Two embossing device 31 is respectively used to be embossed two basic unit's paper 11.It is each described
Embossing device 31 includes knurling rolls 311 and impression cylinder 313, the knurling rolls 311 and the pressure
It is parallel and be oppositely arranged, projection at least two lobe on the knurling rolls 311 between engraved roll 313
315, to make to produce through basic unit's paper 11 therebetween with 313 mating reaction of impression cylinder
Embossed pattern, the embossed pattern include at least two embossing units 113, and each basic unit's paper 11 is wrapped
Include two basic surfaces 115 being disposed opposite to each other, at least part of described pressure on each basic unit's paper 11
Flower unit 113 is recessed from a basic surface 115 of basic unit's paper 11, another basic surface 115
The region for remaining plane or corresponding recess is raised.
It is appreciated that 315 the formed embossed pattern of lobe on two knurling rolls 311 can
It is identical, also can be different.315 institute of lobe in present embodiment, on two knurling rolls 311
The embossed pattern of formation is identical.
Parallel and interval setting between two knurling rolls 311 of two embossing device 31, to coordinate
So that pressing through two basic unit paper 11 therebetween, and then cause at least two basic units
Paper 11 is integrated by least partly raised bonding of the embossing units 113.
It is appreciated that when at least part of described embossing on each described basic unit's paper 11 for being formed is single
First 113, another basic surface 115 correspondences recessed from a basic surface 115 of basic unit's paper 11
The recess region it is raised when, the impression cylinder 313 is relative with knurling rolls 311
Surface forms the groove (not shown) corresponding with least two lobe 315；It is each when what is formed
A base of at least part of described embossing units 113 on basic unit's paper 11 from basic unit's paper 11
This surface 115 is recessed, when another basic surface 115 remains plane, the impression cylinder 313
Surface be bright finish.
311 structure of knurling rolls of two embossing device 31 is identical, is respectively provided with and the projection
The lobe 315 of 113 shape adaptation of the embossing units, the knurling rolls of embossing device 31 described in
315 phase of lobe of 311 lobe 315 and the knurling rolls 311 of another embossing device 31
To and oppress two basic unit paper 11 together.
The coating unit 33 is for a shape to being formed with two basic unit's paper 11 of embossed pattern
It is into the top sizing for having embossing units 113, viscous in the coating of diapire 1131 of the embossing units 11
Mixture, so as to two basic unit's paper 11 are preferably bonded be integrated.The coating unit 33 and wherein one
The knurling rolls 311 of individual embossing device 31 are oppositely arranged, and the coating unit 33 is arranged at the pressure
Side after contacting with the impression cylinder 313 on 311 direction of rotation of flower roller.
The coating unit 33 includes storage tank 331, transferring roller 333 and glue spreader 335.Institute
Storage tank 331 is stated for housing binding agent, the transferring roller 333 is for by the storage tank 331
In binding agent be transferred on the glue spreader 335, the glue spreader 335 for pass through embossing
The side top sizing of the embossing units 113 in wherein basic unit's paper 11 afterwards, the glue spreader
335 are oppositely arranged with 311 knurling rolls of knurling rolls, 311 knurling rolls 311, thus, the storage tank
Binding agent in 331 is transferred to the surface of the glue spreader 335 in the presence of transferring roller 333,
And then the side surface-coated binding agent of the diapire 1131 to the embossing units 113.
It is appreciated that in other embodiments, the transferring roller 333 can be omitted.
The manufacture method of the extrusion coating paper 10 that the present invention is provided, comprises the steps：
Two basic unit's paper 11 are provided, each basic unit's paper 11 includes two basic surfaces being disposed opposite to each other
115。
Two basic unit paper 11 is embossed into process respectively, so that on each basic unit's paper 11
Embossed pattern is formed, the embossed pattern includes at least two embossing units 113.Each base
A basic surface of at least part of described embossing units 113 on layer paper 11 from basic unit's paper 11
115 is recessed, and another basic surface 115 keeps the region projection of plane or correspondence recess.
The surface of a formation embossing units 113 to being formed with two basic unit's paper 11 of embossed pattern
Applying glue, so that the side surface-coated binding agent of the diapire 1131 of the embossing units 113.
Pressing process is carried out to two basic unit's paper 11 after applying glue is processed, so that two basic unit
Paper 11 is integrated by the bonding of diapire 1131 of at least part of embossing units 113, and described
The thickness of the diapire 1131 of the embossing units 113 of two basic unit's paper 11 and two basic surface 115
The distance between ratio be 1:3-1:2.
In the pressing process, the adhesion of two basic unit's paper 11 is 2-7bar, or is 3-6bar, or is
4-5bar。
It is different from the situation of prior art, at least two basic unit's paper of the extrusion coating paper 10 that the present invention is provided
11 are formed with embossing units 113,315 points of the lobe of the embossing units 113 correspond and
It is oppositely arranged so that the extrusion coating paper 10 has bigger thickness and good flexibility, from
And cause the sense of touch of the extrusion coating paper 10 good.By the embossing units 113 of two basic unit paper 11
The thickness of diapire 1131 be arranged on 1 with the ratio of the distance between two basic surface 115:3-1:2
In the range of so that the bottom of the immersion that the tack coat 13 will not be excessive to the embossing units 113
Wall 1131 and side wall 1133 so that extrusion coating paper 10 can keep water absorption, flexibility and paper strong
Degree.
Embodiments of the present invention are the foregoing is only, the patent model of the present invention is not thereby limited
Enclose, the equivalent structure or equivalent process made by every utilization description of the invention and accompanying drawing content becomes
Change, or be directly or indirectly used in other related technical fields, be included in the present invention's in the same manner
In scope of patent protection.
Claims (10)
1. a kind of extrusion coating paper, it is characterised in that：
The extrusion coating paper includes at least two basic unit's paper, and each basic unit's paper has been respectively formed on pressure
Floral pattern, the embossed pattern include at least two embossing units, each basic unit's paper tool
There are two basic surfaces being disposed opposite to each other, at least part of described embossing on each basic unit's paper
Unit is recessed from a basic surface of basic unit's paper, another basic surface remain plane or
The region of correspondence recess is raised, and at least two basic unit's paper are by least part of pressure
The diapire bonding of flower unit is integrated, the thickness of the diapire of the embossing units of two basic unit paper
Ratio with the distance between two basic surface is 1:3-1:2.
2. extrusion coating paper as claimed in claim 1, it is characterised in that：
At least two basic unit's paper are bonded as one by the diapire of at least part of embossing units
Body, refers to the embossing units of basic unit's paper wherein described at least two basic unit's paper
Recess corresponding to another basic surface region and described in another basic unit's paper be embossed
Another basic surface region bonding corresponding to unit recess, and other parts are not bonded.
3. extrusion coating paper as claimed in claim 1, it is characterised in that：
The embossing units of two adjacent basic unit's paper of at least two basic unit's paper are corresponded, when
At least part of described embossing units on each basic unit's paper are basic from one of basic unit's paper
Surface is recessed, when the region of another basic surface correspondence recess is raised, the extrusion coating paper
Thickness be equal to the integral thickness sum of at least two basic unit's paper, the wherein entirety of basic unit's paper
Thickness is the distance between two basic surfaces of basic unit's paper plus the embossing list formed on basic unit's paper
Height of the unit from one basic surface outwardly convex of basic unit's paper；When on each basic unit's paper extremely
Embossing units described in small part are recessed from a basic surface of basic unit's paper, another base table
When face remains plane, the thickness of the extrusion coating paper is equal to two base tables of two basic unit paper
The distance between face and.
4. extrusion coating paper as claimed in claim 1, it is characterised in that：
The extrusion coating paper further includes tack coat, and the tack coat is formed at two basic unit
Between the diapire of the corresponding embossing units of paper.
5. extrusion coating paper as claimed in claim 4, it is characterised in that：
The material of the tack coat is polyvinyl alcohol series adhesive or thermosetting cationic resinae
Binding agent, the thermosetting cationic resinae binding agent are polyamide.
6. a kind of paper making equipment of extrusion coating paper, it is characterised in that the paper making equipment includes：
Two embossing devices, are respectively used to be embossed two basic unit's paper, each embossing dress
Put with knurling rolls that are parallel and being oppositely arranged and impression cylinder, the two of two embossing device
Knurling rolls are parallel and interval setting, projection at least two lobe on the knurling rolls；
The knurling rolls and impression cylinder coordinate to be made to produce through basic unit's paper therebetween
Embossed pattern, the embossed pattern include at least two embossing units, and basic unit's paper has
Two basic surfaces being disposed opposite to each other, a basic surface of the embossing units from basic unit's paper
Recessed, another basic surface remains plane or the region of correspondence recess is raised, described
The distance between the thickness of the diapire of the embossing units of two basic unit's paper and described two basic surface it
Than for 1:3-1:2；
Two knurling rolls of two embossing device coordinate two basic unit made through therebetween
Letterweight is closed so that diapire bonding of two basic unit paper by least part of embossing units
It is integrated.
7. paper making equipment as claimed in claim 6, it is characterised in that：
The embossing roll structure of two embossing device is identical, be respectively provided with it is described projection described in
The lobe of embossing units shape adaptation, wherein the projection of the knurling rolls of embossing device described in
Portion it is relative with the lobe of the knurling rolls of another embossing device and together with oppress the diyl
Layer paper.
8. paper making equipment as claimed in claim 6, it is characterised in that:
The paper making equipment further includes coating unit, and the coating unit is disposed therein
What the knurling rolls of one embossing device were relative with impression cylinder be positioned against knurling rolls with it is another
On the direction of the relative position of the knurling rolls of one embossing device, and it is arranged at therebetween；
The coating unit includes storage tank, transferring roller and glue spreader, and the storage tank is used
In accommodating binding agent, the transferring roller is for being transferred to institute by the binding agent in the storage tank
State on glue spreader, the glue spreader is applied for a side surface of the diapire to the embossing units
Binding agent is covered, the glue spreader is oppositely arranged with knurling rolls.
9. a kind of manufacture method of extrusion coating paper, the manufacture method comprise the steps：
Two basic unit's paper are provided, each basic unit's paper includes two basic surfaces being disposed opposite to each other；
Two basic unit paper is embossed into process respectively, so that shape on each basic unit's paper
Into embossed pattern, the embossed pattern includes at least two embossing units, each basic unit
At least part of described embossing units on paper are recessed from a basic surface of basic unit's paper, separately
One basic surface remains plane or the region of correspondence recess is raised, two basic unit paper
The thickness of diapire of embossing units with the ratio of the distance between two basic surface be
1:3-1:2；
Pressing process is carried out to two basic unit's paper after embossing is processed, so that two basic unit
It is integrated by the diapire bonding of at least part of embossing units.
10. the manufacture method of extrusion coating paper as claimed in claim 9, it is characterised in that：
Two basic unit paper further included step before pressing：
To a surface for being formed with embossing units in two basic unit's paper after embossing is processed
Applying glue process is carried out, so that the diapire application of adhesive of the embossing units.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110514319A (en) * | 2018-05-21 | 2019-11-29 | 海成帝爱斯株式会社 | Temperature sensor and the method for manufacturing sensor unit and temperature sensor |
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