CN105172280B - Covering honeycomb sandwich board and preparation method thereof - Google Patents
Covering honeycomb sandwich board and preparation method thereof Download PDFInfo
- Publication number
- CN105172280B CN105172280B CN201510650790.2A CN201510650790A CN105172280B CN 105172280 B CN105172280 B CN 105172280B CN 201510650790 A CN201510650790 A CN 201510650790A CN 105172280 B CN105172280 B CN 105172280B
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- covering
- glue
- sandwich
- honeycomb
- cellular
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Classifications
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- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- 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
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
- B32B3/12—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by a layer of regularly- arranged cells, e.g. a honeycomb structure
-
- 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
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
-
- 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
- B32B38/16—Drying; Softening; Cleaning
- B32B38/164—Drying
-
- 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
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
Landscapes
- Laminated Bodies (AREA)
Abstract
The invention discloses a kind of covering honeycomb sandwich boards and preparation method thereof, including upper covering, upper surface glue, cellular sandwich, lower surface glue and the lower covering set gradually from top to bottom, the underside shape of the upper surface glue is corresponding with the upper surface shape of the cellular sandwich consistent, and the upper surface shape of the lower surface glue is corresponding with the underside shape of the cellular sandwich consistent.Preparation method includes the following steps：（1）The first bonded adhesives of cellular sandwich lower surface roller coating；（2）Cellular sandwich and lower covering pre-bonded；（3）The second bonded adhesives of upper surface roller coating of cellular sandwich；（4）Cellular sandwich and upper covering pre-bonded；（5）It is heating and curing.The covering honeycomb sandwich board of the present invention, lightweight, at low cost, covering and cellular sandwich fit closely, reliability is high；Preparation method can reduce covering honeycomb sandwich board weight and cost-effective.
Description
Technical field
The invention belongs to Composite Sandwich Plates fields more particularly to a kind of covering honeycomb sandwich board and preparation method thereof.
Background technology
Covering honeycomb sandwich board is by two layers of thin and strong skin material, centre one thickness of folder and extremely light honeycomb core group
At.Covering requires Bao Erqiang, it is the main part of the force of sandwich.Honeycomb core can be divided into paper wasp according to the difference of material
Nest, glass cloth honeycomb, cotton honeycomb and aluminum alloy honeycomb etc., it plays connection and support covering in sandwich.This
The maximum feature of class material is light, and specific strength and specific stiffness are high.Due to honeycomb sandwich board with excellent electrical insulating property and thoroughly
Electromagnetic performance and sound-insulating and heat-insulating outstanding and it is moisture-proof the features such as, be widely used in aerospace, shipbuilding industry and building work
The fields such as industry.
Conventional covering honeycomb sandwich board is since adhesive glue weight accounting is relatively small, coating processes are difficult to control, thus mesh
Preceding coating technique is all so that honeycomb core and covering is bonded by coating whole face glue or whole glued membrane.However, as some are special
Field is difficult to meet growth requirement to light further demand, the preparation method of existing covering honeycomb sandwich board.For example, covering
When flexible solar battery of the honeycomb sandwich board for high-altitude vehicle is supported with heat shield liner bottom, covering more demanding to weight
Lighting material will be selected with honeycomb core, the adhesive glue weight accounting of conventional coating processes is excessive, whole face glue or whole glued membrane
Weight has been even more than honeycomb core and the total weight of covering, can not meet that special dimension is light to covering honeycomb sandwich board to be wanted
It asks.Therefore, it is badly in need of being improved the gluing mode and technique of conventional covering honeycomb sandwich board.
Invention content
The technical problem to be solved by the present invention is to overcome the deficiencies in the prior art, provide a kind of lightweight, at low cost, covering with
The covering honeycomb sandwich board that cellular sandwich fits closely, reliability is high also provides a kind of reduction covering honeycomb sandwich board weight, section
The about preparation method of the covering honeycomb sandwich board of cost.
In order to solve the above technical problems, the present invention uses following technical scheme：
A kind of covering honeycomb sandwich board, including set gradually from top to bottom upper covering, upper surface glue, cellular sandwich, under
The underside shape of surface glue and lower covering, the upper surface glue is corresponding with the upper surface shape of the cellular sandwich consistent, institute
The upper surface shape for stating lower surface glue is corresponding with the underside shape of the cellular sandwich consistent.
Above-mentioned covering honeycomb sandwich board, it is preferred that the thickness of the upper surface glue is 0.01mm~2mm, the following table
The thickness of face glue is 0.01mm~2mm.
Above-mentioned covering honeycomb sandwich board, it is preferred that the upper surface glue by epoxide-resin glue, instant glue, anaerobism glue,
The cured molding of one kind in UV glue, hot melt adhesive or latex class is made.
Above-mentioned covering honeycomb sandwich board, it is preferred that the lower surface glue by epoxide-resin glue, instant glue, anaerobism glue,
The cured molding of one kind in UV glue, hot melt adhesive or latex class is made.
Above-mentioned covering honeycomb sandwich board, it is preferred that the upper covering is in PET film, ETFE films, PVC film or PTFE film
One kind.
Above-mentioned covering honeycomb sandwich board, it is preferred that the lower covering is in PET film, ETFE films, PVC film or PTFE film
One kind.
Above-mentioned covering honeycomb sandwich board, it is preferred that the thickness of the upper covering is 0.01mm~1mm, the lower covering
Thickness be 0.01mm~1mm.
Above-mentioned covering honeycomb sandwich board, it is preferred that the cellular sandwich is paper honeycomb, glass cloth honeycomb, cotton honeycomb
Or one kind in aluminum alloy honeycomb, the height of the cellular sandwich is 2mm~50mm.
Above-mentioned covering honeycomb sandwich board, it is preferred that the cellular sandwich forms for size identical cylindricality room hole, Fang Kong
Section be polygon.
The inventive concept total as one, the present invention also provides a kind of preparation method of above-mentioned covering honeycomb sandwich board,
Include the following steps：
（1）By the first bonded adhesives roller coating on the lower surface of cellular sandwich；
（2）The lower surface for the cellular sandwich for coating the first bonded adhesives is contacted with lower covering, and compacting makes cellular sandwich
Lower surface and lower covering pre-bonded；
（3）By the second bonded adhesives roller coating in the upper surface of cellular sandwich；
（4）The upper surface for the cellular sandwich for coating the second bonded adhesives is contacted with upper covering, and compacting makes cellular sandwich
Upper surface and upper covering pre-bonded, obtain covering honeycomb sandwich board preform；
（5）By step（4）Gained covering honeycomb sandwich board preform is heating and curing, and the first bonding adhesive curing is made to obtain
Lower surface glue makes the second bonding adhesive curing obtain upper surface glue, and the temperature that is heating and curing is 20 DEG C~200 DEG C, is obtained
Covering honeycomb sandwich board.
The preparation method of above-mentioned covering honeycomb sandwich board, it is preferred that the technique of the roller coating is as follows：Glue groove and idler wheel
Spacing is 0.01mm~5mm, and idler wheel rolling speed is 0.02m/s~2m/s, first bonded adhesives and second bonded adhesives
Viscosity at 25 DEG C is the MPas of 800 MPas~80000
Compared with the prior art, the advantages of the present invention are as follows：
1, covering honeycomb sandwich board of the invention, the underside shape of upper surface glue and the upper surface shape pair of cellular sandwich
Should be consistent, the upper surface shape of lower surface glue is correspondings with the underside shape of cellular sandwich unanimously, i.e., only cellular sandwich with it is upper
Lower covering contact site is distributed glue, has both avoided in cellular sandwich hollow region cloth glue, make covering battenboard glue consumption reduce by 90% with
On, also greatly reduce cost while greatly reducing covering battenboard weight；In turn ensure covering and honeycomb up and down
The close adhesion of sandwich ensure that the high reliability of covering honeycomb sandwich board.
2, the preparation method of covering honeycomb sandwich board of the invention is pressed from both sides using roll coating process in cellular sandwich lower surface and honeycomb
Core upper surface gluing had both been avoided in cellular sandwich hollow region cloth glue, and covering battenboard glue consumption is made to reduce by 90% or more,
Cost is also greatly reduced while greatly reducing covering battenboard weight；In turn ensure upper and lower covering and cellular sandwich
Close adhesion ensure that the high reliability of covering honeycomb sandwich board.
3, only in the surface sizing of cellular sandwich, using traditional coating processes（Such as brushing, spraying, flow coat）It is difficult to
Glue is effectively coated in cellular sandwich upper surface, most glue are coated on cellular sandwich hollow region, the utilization effectively glued
Rate is low and increases weight.The preparation method of the covering honeycomb sandwich board of the present invention, using roll coating process on the surface of cellular sandwich
Glue, experiments have shown that, coating processes are more easy to control compared with other painting methods, by controlling the spacing of glue groove and idler wheel, adjusting idler wheel
Rolling speed and allotment bonded adhesives viscosity, accurately only can be coated in cellular sandwich surface, in cellular sandwich by bonded adhesives
Empty region and honeycomb inner surface will not fall glue, and prepared covering honeycomb sandwich board can meet special dimension to covering cellular sandwich
The light requirement of plate.
4, further, the present invention controls glue groove and the spacing of idler wheel in 0.01mm~5mm, by idler wheel rolling speed tune
Section is 0.02m/s~2m/s, the viscosity of the first bonded adhesives and the second bonded adhesives（25℃）It is selected as 800 MPas~80000
MPas can guarantee that the surface of cellular sandwich glues thickness within the scope of 0.01mm~2mm with covering contact portion.
Description of the drawings
Fig. 1 is the sectional view of the covering honeycomb sandwich board in the embodiment of the present invention 1.
Fig. 2 is the dimensional structure diagram of the covering honeycomb sandwich board in the embodiment of the present invention 1.
Fig. 3 is the roll-on device schematic diagram in the embodiment of the present invention 1.
Figure label explanation：
1, cellular sandwich；2, upper surface glue；3, lower surface glue；4, upper covering；5, lower covering；6, idler wheel；7, epoxy resin
Glue；8, glue groove.
Specific implementation mode
Below in conjunction with Figure of description and specific preferred embodiment, the invention will be further described, but not therefore and
It limits the scope of the invention.
Embodiment 1：
As depicted in figs. 1 and 2, a kind of covering honeycomb sandwich board of the present invention, including the upper illiteracy that sets gradually from top to bottom
Skin 4, upper surface glue 2, cellular sandwich 1, lower surface glue 3 and lower covering 5, wherein the underside shape of upper surface glue 2 is pressed from both sides with honeycomb
The upper surface shape of core 1 corresponds to unanimously, and the upper surface shape of lower surface glue 3 is corresponding with the shape of 1 lower surface of cellular sandwich consistent.
It only is distributed glue in cellular sandwich and upper and lower covering contact site, had both avoided in cellular sandwich hollow region cloth glue, covering is made to press from both sides
Core plate glue consumption reduces by 90% or more, and cost is also greatly reduced while greatly reducing covering battenboard weight；It protects again
The close adhesion of upper and lower covering and cellular sandwich has been demonstrate,proved, that is, ensure that the high reliability of covering honeycomb sandwich board.
In the present embodiment, upper surface glue 2 is the cured molding of epoxide-resin glue, and the thickness of upper surface glue 2 is 0.05mm.
In the present embodiment, lower surface glue 3 is the cured molding of epoxide-resin glue, and the thickness of lower surface glue 3 is 0.05mm.
In the present embodiment, upper covering 4 is PET film, and the thickness of upper covering 4 is 0.03mm.
In the present embodiment, lower covering 5 is PET film, and the thickness of lower covering 5 is 0.03mm.
In the present embodiment, cellular sandwich 1 is that the hexagonal size identical cylindricality room hole in multiple room holes section is constituted
The height of paper honeycomb, cellular sandwich 1 is 5mm, and the shape that 1 upper surface of cellular sandwich is constituted with 4 contact portion of upper covering is bee
The upper surface shape of nest sandwich 1, the shape that 1 lower surface of cellular sandwich is constituted with lower 5 contact portion of covering is under cellular sandwich 1
The upper surface shape of the shape on surface, cellular sandwich 1 is identical with the shape of 1 lower surface of cellular sandwich.
A kind of preparation method of the covering honeycomb sandwich board of above-mentioned the present embodiment, includes the following steps：
（1）By 7 roller coating of epoxide-resin glue in the lower surface of cellular sandwich 1；As shown in figure 3, control glue groove 8 and idler wheel 6
Spacing is 0.08mm, the epoxide-resin glue 7 that viscosity is 6000 MPas is injected in glue groove 8, by the epoxy resin in glue groove 8
Uniformly for drippage on idler wheel 6 below, the rolling speed of scroll wheel 6, idler wheel 6 is 0.2m/s to glue 7, makes the ring on idler wheel 6
Oxygen resin glue 7 is coated uniformly on the lower surface of cellular sandwich 1, and it is 0.05mm that 1 lower surface of final cellular sandwich, which glues thickness,.
（2）The lower surface of the cellular sandwich 1 of lower surface roller coating epoxide-resin glue is contacted with lower covering 5, and compacting makes bee
The lower surface of nest sandwich 1 and lower 5 pre-bonded of covering；
（3）By 7 roller coating of epoxide-resin glue in the upper surface of cellular sandwich 1；As shown in figure 3, control glue groove 8 and idler wheel 6
Spacing is 0.08mm, the epoxide-resin glue 7 that viscosity is 6000 MPas is injected in glue groove 8, by the epoxy resin in glue groove 8
Uniformly for drippage on idler wheel 6 below, the rolling speed of scroll wheel 6, idler wheel 6 is 0.2m/s to glue 7, makes the ring on idler wheel 6
Oxygen resin glue 7 is coated uniformly on the upper surface of cellular sandwich 1；Final honeycomb core upper surface gluing thickness is 0.05mm.
（4）The upper surface of the cellular sandwich 1 of upper surface roller coating epoxide-resin glue is contacted with upper covering 4, and compacting makes bee
The upper surface of nest sandwich 1 and 4 pre-bonded of upper covering, obtain covering honeycomb sandwich board preform；
（5）By step（4）Gained covering honeycomb sandwich board preform is heating and curing, and makes the epoxide-resin glue of lower surface roller coating
7 solidifications obtain lower surface glue 3, so that the epoxide-resin glue 7 of upper surface roller coating is cured and obtain upper surface glue 2, the temperature that is heating and curing
Degree is 100 DEG C, obtains covering honeycomb sandwich board.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example.All technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It is noted that for the art
Those of ordinary skill for, improvements and modifications without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (6)
1. a kind of preparation method of covering honeycomb sandwich board, which is characterized in that include the following steps：
（1）By the first bonded adhesives roller coating on the lower surface of cellular sandwich；
（2）The lower surface for the cellular sandwich for coating the first bonded adhesives is contacted with lower covering, and suppresses the following table for making cellular sandwich
Face and lower covering pre-bonded；
（3）By the second bonded adhesives roller coating in the upper surface of cellular sandwich；
（4）The upper surface for the cellular sandwich for coating the second bonded adhesives is contacted with upper covering, and suppresses the upper table for making cellular sandwich
Face and upper covering pre-bonded, obtain covering honeycomb sandwich board preform；
（5）By step（4）Gained covering honeycomb sandwich board preform is heating and curing, and the first bonding adhesive curing is made to obtain following table
Face glue makes the second bonding adhesive curing obtain upper surface glue, and the temperature that is heating and curing is 20 DEG C~200 DEG C, obtains covering
Honeycomb sandwich board；
The technique of the roller coating is as follows：Glue groove and the spacing of idler wheel are 0.01mm~5mm, idler wheel rolling speed be 0.02m/s~
2m/s, the viscosity of first bonded adhesives and second bonded adhesives at 25 DEG C are 800MPas~6000MPas；
The covering honeycomb sandwich board includes the upper covering set gradually from top to bottom, upper surface glue, cellular sandwich, lower surface glue
Corresponding with the upper surface shape of the cellular sandwich consistent, the following table with the underside shape of lower covering, the upper surface glue
The upper surface shape of face glue is corresponding with the underside shape of the cellular sandwich consistent；
The thickness of the upper surface glue is 0.01mm~0.05mm, and the thickness of the lower surface glue is 0.01mm~0.05mm；
The thickness of the upper covering is 0.01mm~1mm, and the thickness of the lower covering is 0.01mm~1mm；
The height of the cellular sandwich is 2mm~5mm.
2. the preparation method of covering honeycomb sandwich board according to claim 1, which is characterized in that the upper surface glue is by ring
The cured molding of one kind in oxygen resin glue, instant glue, anaerobism glue, UV glue, hot melt adhesive or latex class is made.
3. the preparation method of covering honeycomb sandwich board according to claim 1, which is characterized in that the lower surface glue is by ring
The cured molding of one kind in oxygen resin glue, instant glue, anaerobism glue, UV glue, hot melt adhesive or latex class is made.
4. the preparation method of covering honeycomb sandwich board according to claim 1, which is characterized in that the upper covering is PET
One kind in film, ETFE films, PVC film or PTFE film.
5. the preparation method of covering honeycomb sandwich board according to claim 1, which is characterized in that the lower covering is PET
One kind in film, ETFE films, PVC film or PTFE film.
6. the preparation method of covering honeycomb sandwich board according to claim 1 or 2, which is characterized in that the cellular sandwich
For one kind in paper honeycomb, glass cloth honeycomb, cotton honeycomb or aluminum alloy honeycomb.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510650790.2A CN105172280B (en) | 2015-10-10 | 2015-10-10 | Covering honeycomb sandwich board and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510650790.2A CN105172280B (en) | 2015-10-10 | 2015-10-10 | Covering honeycomb sandwich board and preparation method thereof |
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| CN105172280A CN105172280A (en) | 2015-12-23 |
| CN105172280B true CN105172280B (en) | 2018-09-25 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105924964B (en) * | 2016-04-18 | 2019-07-16 | 重庆市皓邦工业有限公司 | Lightweight honeycomb composite cardboard with high-adhesion hot melt adhesive film |
| CN106182833A (en) * | 2016-07-21 | 2016-12-07 | 溧阳二十八所系统装备有限公司 | A kind of method of quick Fabrication composite laminboard |
| CN110464514B (en) * | 2019-07-16 | 2020-09-04 | 太原理工大学 | Application of honeycomb sandwich structure in vertebral body implant and preparation method of implant |
| CN112959783A (en) * | 2021-03-11 | 2021-06-15 | 戴铂新材料(张家港)有限公司 | High-bending-rigidity integrally-recyclable full-PET-material foam sandwich board |
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| CN104494276B (en) * | 2014-12-18 | 2016-06-29 | 北京卫星制造厂 | A kind of honeycomb core end face gridding glue-applying technique method broken based on glued membrane heat |
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| US6099683A (en) * | 1991-08-05 | 2000-08-08 | Alusuisse Technology & Management Ltd. | Process for the production of a composite sheet |
| JPH05124164A (en) * | 1991-11-01 | 1993-05-21 | Mitsui Toatsu Chem Inc | Production of sandwich structural panel |
| EP1029665A2 (en) * | 1999-02-16 | 2000-08-23 | Canti & Figli S.R.L. | Method and machine for making sandwich panels |
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