CN200939647Y - Decorative thin boards - Google Patents
Decorative thin boards Download PDFInfo
- Publication number
- CN200939647Y CN200939647Y CN 200520128788 CN200520128788U CN200939647Y CN 200939647 Y CN200939647 Y CN 200939647Y CN 200520128788 CN200520128788 CN 200520128788 CN 200520128788 U CN200520128788 U CN 200520128788U CN 200939647 Y CN200939647 Y CN 200939647Y
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- skin
- base material
- wood veneer
- drying
- coating
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Abstract
To provide a method of manufacturing decorative thin plate material which can obtain a decorative thin plate material having a desired thickness and little in dimensional change by moisture absorption, and can prevent a warp due to coating shrinkage, and to provide the decorative thin plate material. The method of manufacturing decorative thin plate material is characterized in that a surface layer material 2 is adhered to the surface of a base material 1 obtained by making a board of a bast fiber with a binder by cold press to form an integrated material 11, the surface of the surface layer material 2 is coated, then the integrated material 11 is dried in the state where the coated surface 11a is warped in the extending direction.
Description
Technical field
The utility model relates to the decorative wood veneer material that is formed by base material and skin-material lamination.
Background technology
The flooring material that dwelling house is used, the cleaning material that general use is made of natural timber, timber lamina, composite plate etc. are pasted the composite of the skin-material of natural wood on base material, particularly because composite can be with the high material of low price production case hardness, so be in great demand.And when the secondary decoration of dwelling house,, require thickness of slab about 3mm or the composite of following thickness for simple and convenient.
Yet, when making the composite of above-mentioned thickness of slab, if use the timber lamina as its base material, just the problem that warpage (through warpage behind the certain hour) takes place because of the timeliness of timber lamina itself is arranged, if use composite plate can not tackle the problem of above-mentioned thickness again, then once using MDF (middle density composite plate) to have because of absorbing the problem that change in size takes place moisture.
In order to solve such problem, can consider bast fibers such as mestha are made sheet material with adhesive and be used as the method that base material uses.By the sheet material that this bast fiber forms, the case hardness height of bast fiber own improves its proportion by pressure rolling again, thereby case hardness further improves, and also have abundant flexibility, and size stability is also fine.In addition, the material of above-mentioned thickness of slab also can be made.
Following patent documentation has been put down in writing as building components such as flooring material and furniture timber and the manufacture method of the sheet material of being made by bast fiber that uses.
[patent documentation 1] spy opens the 2002-283313 communique
Yet, when the bast fiber material of sheet materialization as base material, carrying out successively to the stickup operation of base material by binding agent sticky table layer material, when skin-material is carried out the drying process of the coating process of application and the application face of making drying, particularly at drying stage, just produced flexibility, the problem of warpage has taken place because of the coating contraction of application at coating process owing to bast fiber sheet material.Especially in order to obtain the material of above-mentioned thickness of slab, bast fiber sheet material just must adopt and the corresponding material of its thickness, and this has further increased the flexibility of sheet material, and the ratio that therefore warpage takes place in drying is very high.
Moreover, can consider to paste the method that suppresses warpage with skin-material with the sheet material (course) of material, but the sheet material of making like this itself will be very thick, also increases cost, so the manufacture method of the appropriate light sheet of can not saying so at the back side of base material.
The utility model content
The utility model is considered these situations and proposes that its objective is provides a kind of desirable thickness that obtains, and the change in size that produces because of suction is very little, and can suppress to shrink because of coating the decorative wood veneer material of warpage.
In addition, need case hardness very high and be difficult to cause the material of pit as flooring material, even the purpose of this utility model also is to obtain a kind of decorative wood veneer material that also can use as such flooring material because of the Caster of chair etc.
In order to achieve the above object, utility model 1 described decorative wood veneer material has base material and skin-material, it is characterized in that:
Described base material utilizes the bonding bast fiber of adhesive to form sheet material and obtains, on the surface of described base material, be bonded with skin-material by colding pressing, described surfacing and described base material constitute the one material, the surface of described surfacing is provided with application face, and skin-material is pasted with backing material at the stickup face with base material.
Utility model 4 is characterised in that: when the one material was carried out drying, application faced downwards, made its warpage by the horizontal stroke that hangs the one material, vertical any two ends.
The utility model of being recorded and narrated according to utility model 1～4, owing to having used with adhesive bast fiber is formed the material that sheet material obtains as base material, so can make the thickness of sheet material reach desirable thickness of slab, be about 3mm or following decorative wood veneer material thereby can obtain thickness of slab.In addition, above-mentioned sheet material, the case hardness of bast fiber own is very high, improves its proportion by pressure rolling again, so its case hardness further improves, thus can obtain reflecting the such character of bast fiber sheet material, anti-Caster rolls the decorative wood veneer material of the fabulous high surface hardness of performance.And above-mentioned sheet material is very little because of the change in size that moisture causes, so be difficult to take place the distortion that causes because of timeliness or slit etc.In addition, because do not need other materials such as course, so can suppress cost yet.
Particularly, in this decorative wood veneer material, skin-material carried out application after owing to carry out drying with the state of the direction warpage that prolongs to application face, so cancel out each other by compulsory warpage because of coating shrinks the distortion that is produced, its result can produce does not have the decorative wood veneer of warpage material.And, owing to paste backing material,, for example, can prevent the cracking that skin-material causes because of distortion when keeping so skin-material is strengthened at the stickup face of skin-material and base material.
The decorative wood veneer material of being put down in writing according to utility model 2, so to be that 1～10% dry lamina shrinks very little because skin-material is a moisture content, therefore, being difficult to take place with the skin-material is that main cause produces caused warpage of timeliness and change in size.
In the decorative wood veneer material that utility model 3 is recorded and narrated, owing to make it to longitudinal and transverse any one party warpage by the one material being propped from central authorities with brace table, so can there not be the decorative wood veneer material of warpage with easy method manufacturing.
In the decorative wood veneer material that utility model 4 is recorded and narrated, owing to make its warpage, there is not the decorative wood veneer of warpage material so just can produce with easy method by being sling in the two ends of one material.In addition, owing to be application to be faced down carry out drying, so do not have rubbish or dust etc. attached on the application face.
Description of drawings
Fig. 1 represents the summary process chart of the utility model method, (a) for pasting operation, (b) is coating process, (c) is the side view of the model utility of drying process.
Fig. 2 is the decomposition side view that comprises the decorative wood veneer material of backing material.
Fig. 3 (a) and (b) are figure that expression faces application 2 examples of the drying process that carries out the top.
Fig. 4 (a) and (b) are figure of 2 examples of expression drying process that the application faced downwards is carried out.
Fig. 5 is the side view of the lapping processing example of expression decorative wood veneer material.
Fig. 6 is the list of the measurement result of expression embodiment and comparative example.
Among the figure: 10-decorative wood veneer material, 11-body material, 11a-application face, 11b-wood grain, 11c-both ends, 1-base material, 2-skin-material, 3-binding agent, 4-backing material, 6-brace table.
The specific embodiment
Below, with reference to accompanying drawing embodiment of the present utility model is described.
Decorative wood veneer material of the present utility model, be building component or employed materials such as door and window parts, furniture woods material such as flooring material, wall covering, be on the base material that obtains bast fiber being formed sheet material, paste skin-material such as sliced veneer and the material that constitutes with adhesive.
Here, as bast fiber, use can be from the long fibre of extractions such as fiber crops, mestha, oil palm, coconut wood.
The above-mentioned sheet material that base material is used is with these long fibre aggregates arbitrarily or crossing stack and with the infiltration of adhesives such as water-soluble phenol, and the hot-press solidifying shaping.Moreover in order to improve the flexibility of sheet material on all directions, it is preferred that long fibre optionally or is across arranged, but also can arrange to identical direction.In addition, the long fibre aggregate can use in the above-mentioned raw materials any, also can be the fiber that has mixed plurality of raw materials.Moreover the volumetric ratio of sheet material is preferably in more than 0.45.
On the other hand, skin-material preferred adopts slicings such as teak material, bamboo is sheet, moisture content at 1～10% contraction little sliced veneer or cellulose materials such as dry lamina, but also can use resin.
Following Shuo Ming decorative wood veneer material, illustrative is the longitudinal and transverse foursquare sheet material of 900mm that is, is not limited to this certainly.In addition, need thickness of slab below 3mm as light sheet material, base material, skin-material will be prepared and the corresponding raw material of the thickness of thickness of slab.In addition, this manufacture method also can be suitable for the sheet material thicker than 3mm.
Fig. 1, be the figure of the summary operation of expression manufacture method of the present utility model, being the figure of each operation of stickup, external coating, the coating, drying of the above-mentioned 2 kinds of parts of expression, is that (a) pasted the side view that operation, (b) coating process, (c) drying process model utility ground are represented.Moreover as described later, coating process by primary coat, in be coated with, on multiple working procedure such as be coated with and form, after each application, implement drying process.Therefore, coating process, drying process are implemented repeatedly.
(a) paste operation
The surface of the base material 1 that obtains with adhesive bast fiber being formed sheet material bonds itself and skin-material 2 with binding agent 3 mutually, makes two kinds of materials, 1,2 bonding becoming one again with colding pressing.In manufacture process, this incorporate two kinds of materials are called one material 11.As binding agent 3, employing water-based ethylene-polyurethane class etc. is preferred, but this is not done qualification.
As shown in Figure 2, when keeping waits, gain in strength because of distortion causes cracking in order to prevent skin-material 2, also can with the stickup face of base material 1 on use the skin-material 2 of having pasted backing material 4.Moreover, in Fig. 2, omitted the diagram of binding agent.
(b) coating process
After polishing is used on the surface of one material 11, surface roller 5 or sprayer coating composition (do not have and illustrate).In legend, while be one material 11 to be moved relative to roller 5 surface is coated with, but also can be fixing and roller 5 is moved with one material 11.Coating in addition, with primary coat (repair japanning), in be coated with, polishing again, the order that is coated with at last carries out, but this is not done qualification.
Above-mentioned repairing japanning, in be coated with, on be coated with after, implement drying process respectively.
(c) drying process
To be coated with the one material 11 on skin-material 2 surfaces with coating, and, just make application face 11a under the state of bending, carry out drying to application face 11a prolonging direction warpage.For example illustrate, on workbench 7, dispose the brace table 6 of square or round bar shape, and the application face 11a of one material 11 upwards, make brace table 6 be positioned at central portion and place it on the brace table 6, the application face of making 11a extends by deadweight is crooked to make the two ends of one material 11.Below, to being carried out dry method, application face 11a elongation is called crooked seasoning.
In addition, drying is carried out with air-dry, but also can adopt heated-air drying, UV curing.
Moreover, because the coating weight of repairing japanning is less and can be in the short time drying, thus also can not adopt above-mentioned crooked seasoning, but carry out common horizontal drying.
Fig. 3 is the stereogram of the example of the crooked seasoning of expression.
Fig. 3 (a) is (b) identical with the method shown in Fig. 1 (c), all is to make the mode bending of one material 11 with the mediad top, but the placement direction difference of wood grain (fiber) direction of brace table 6 relative one materials 11 among both.Promptly, in (a), the grain direction of one material 11 and the longitudinal direction of brace table 6 are placed on one material 11 on the brace table 6 orthogonally, make wood grain to the direction bending that is elongated, but in (b), the direction and the brace table 6 of the wood grain of one material 11 are placed on one material 11 on the brace table 6 abreast the direction bending that it is drawn back between wood grain.
According to this drying means, as long as because brace table 6 has been arranged, so can implement drying process very easily.
Fig. 4 is the side view of other examples of the crooked seasoning of expression.
Shown in Fig. 4 (a), towards the below,, utilize the deadweight of one material 11 to make the bending of mediad below and the application face of making 11a elongation application face 11a by both ends 11c is hung with rope 7 grades.In addition, shown in (b), also can be arranged on have up and down a plurality of about the shelf 8 of band chute of each a pair of support chip 8a, the both ends 11c of one material 11 is inserted between the adjacent 8a of support chip up and down, make the mediad below of one material 11 crooked.
If make application face 11a carry out drying down like this, can prevent from drying, to adhere to rubbish or dust etc.In addition, if the shelf of above-mentioned band chute is set, can also a plurality of decorative wood veneer materials 10 of primary drying.
If according to above crooked seasoning, make application one material 11 be kept certain hour with the state of warpage towards prolonging direction ground, make coating shrink the distortion that produces and cancel each other by compulsory warpage (bending), its result, just can produce does not have the decorative wood veneer of warpage material 10.
Moreover, the contraction of the skin-material 2 that is produced by coating was to take place in two dimension originally, even but the prolonging direction of this crooked seasoning is just towards a direction, owing to the flexibility of the base material of forming by fibrous plate 1 is fully crooked, also can keep its state, so can not produce bending, thereby can corresponding two-dimentional coating contraction because of the coating contraction is stretched the direction that does not have elongation.
In addition,, bast fiber is made the material of sheet material by adhesive owing to adopt as base material 1 according to the manufacture method shown in above, thus desirable thickness can be made, and the thickness of slab of decorative wood veneer material 10 can be made the thickness about 3mm or below it.In addition, this sheet material, not only the case hardness of bast fiber itself is very high, and because pressure rolling makes its proportion very big, thereby make its case hardness higher, roll the very high decorative wood veneer material of the good case hardness of performance so can obtain reflecting the anti-Caster of the such character of sheet material.And this sheet material is because the change in size that causes because of self moisture is very little, so the back that is difficult to construct is because of the distortion of timeliness or gap etc.In addition, because do not need other materials such as course, so can control cost yet.
Fig. 5 is the example of lapping processing is carried out in expression to the decorative wood veneer material 10 of said method manufacturing a light sheet material profile.
Owing to having used with adhesive bast fiber is formed the material that sheet material obtains, so, also can form the such overlap edge 10a of diagram with comparalive ease even thickness of slab is 3mm as base material 1.This overlap edge 10a can only form in two opposite edges edge portion, also can form at all edge parts.
Below, the various tests of the decorative wood veneer material that above-mentioned manufacture method is made describe comparative example and embodiment when comparing.Moreover the test result of these embodiment and comparative example is represented by the list of Fig. 6.
(embodiment)
To 2 kinds of embodiment and 4 kinds of comparative examples based on manufacture method of the present utility model, make trial target separately respectively, carry out various tests then.
(specification of trial target and experimental condition)
2 embodiment adopt the different raw material of skin-material.
In embodiment 1,, use the thick teak chip drying lamina of 0.4mm as skin-material.
In embodiment 2, as skin-material, use at the back side of the thick bamboo chip drying lamina of 0.4mm, paste the thick felt material of 0.2mm as the backing material of reinforcing usefulness.
Base material uses the bast fiber that extracts from mestha, fiber collection body and function phenolic binder is infiltrated, and form the material of sheet material with hot pressing.Thickness of slab is 1.5mm, and proportion is 0.6.
With the adhesive material that base material and skin-material are pasted together, make the material of use ethylene-polyurethane class.Specifically, (registration mark: リ カ ボ Application De) BA-10L is host, and its BA-11B is a curing agent, is 100 to 3 to mix according to weight ratio to use the RIKABOND that central physics and chemistry Industrial Co., Ltd makes.Moreover coating weight is 80g/m
2
What be used to paste colds pressing, and carries out with the pressure of 0.35MPa, and the pressure rolling time is 2 hours.
The #240 sand papering is adopted in polishing, is coated with the back in reaching and implements before repairing japanning.
Repair the coating that is coated with, (coating weight is pressed 10g/m for SANYU PAINTCO., the LTD) No.217 of Zhi Zaoing to adopt Japanese SANYU paint company
2Ratio carry out.The drying of repairing after painting is carried out one material horizontal mounting, and air-dry time is 40 minutes.
In be coated with and use coating, with same No.350 (polyurethane polishing subbing), coating weight is with 45g/m
2Ratio carry out.In drying after being coated with adopt crooked seasoning shown in Figure 3 to carry out, air-dry time is 8 hours.
On be coated with the coating of usefulness, use same No.800 (polyurethane), with coating weight with 25g/m
2Ratio carry out.On drying after being coated with adopt crooked seasoning shown in Figure 3 to carry out, air-dry time is 6 hours.
The brace table that crooked seasoning is used uses height as 100mm's.Just the depth of camber with bending is adjusted into 100mm.
Then comparative example is described.
Comparative example 1 uses base material to be the thick araucaria lamina of 1.5mm, and other conditions are identical with embodiment 2.Just, drying process adopts crooked seasoning.
Comparative example 2 uses base material thick as 1.5mm, and proportion is 0.75 MDF.Other conditions are identical with embodiment 2.Just, drying process adopts crooked seasoning.
Comparative example 3, the stickup of base material and skin-material adopt hot pressing to carry out, and as binding agent, adopt latex class latex.Specifically, (TOPURA CO., the LTD) LB-370 of Zhi Zaoing, curing agent are its H-370, by weight mixing with 100 to 7 to use host to draw Co., Ltd. as Top.Moreover coating weight is 80g/m
2Hot pressing with 130 ℃ of pressure rolling temperature, is carried out with the pressure of 0.35MPa, and the pressure rolling time is 2 minutes.Other conditions are identical with embodiment 2.Just, drying process adopts crooked seasoning.
Comparative example 4, in be coated with the back, on air-dry after being coated with carry out with horizontal positioned.Other conditions are identical with embodiment 2.
(assay method of test and evaluation criterion)
(1) case hardness (anti-Caster rolls performance)
On the trial target surface, the metal system Caster of the effective width 12mm, the weight 25kg that adjust is come and gone after 2000 times, measure the pit on surface.Pit 0.12mm with interior be qualified.
(2) size stability (variable quantity)
After temperature is to place one day in 5 ℃ the environment, is that 40 ℃, humidity be in 90% environment place two weeks at temperature with trial target, measures the change in size of a direction of trial target.Relatively 900mm change 1mm with interior be qualified.
(3) warpage
After the trial target manufacturing is finished, measure the depth of camber of warpage immediately.Relatively 900mm change 1mm with interior be qualified.
(4) overall merit
If (1)～(3) all be qualified then for qualified.
Comparative example 1 warpage is very big, and case hardness is also low.Comparative example 2～4, about case hardness, the pit amount can obtain significant favorable comment as flooring material below 0.1mm, but amount of warpage or change in size amount are very big, and combination property does not reach criterion of acceptability.
Contrast therewith, all (1)～(3) of embodiment 1,2 are all qualified.In addition, in embodiment, comparative example, be to have added the ◎ sign below the 0.1mm for the pit amount.
Claims (2)
1. a decorative wood veneer material has base material and skin-material, it is characterized in that:
Described base material utilizes the bonding bast fiber of adhesive to form sheet material and obtains, on the surface of described base material, be bonded with skin-material by colding pressing, described surfacing and described base material constitute the one material, the surface of described surfacing is provided with application face, described skin-material is posting backing material with stickup face that described base material is pasted mutually.
2. decorative wood veneer material as claimed in claim 1 is characterized in that: described skin-material is that moisture content is 1～10% dry lamina.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005278786A JP4513704B2 (en) | 2005-09-26 | 2005-09-26 | Manufacturing method of decorative sheet material |
| JP2005278786 | 2005-09-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200939647Y true CN200939647Y (en) | 2007-08-29 |
Family
ID=37971166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520128788 Expired - Fee Related CN200939647Y (en) | 2005-09-26 | 2005-12-31 | Decorative thin boards |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4513704B2 (en) |
| CN (1) | CN200939647Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109176759A (en) * | 2018-09-10 | 2019-01-11 | 孙霞伢 | A method of improving Strength of Plywood |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103963134A (en) * | 2013-01-31 | 2014-08-06 | 戴武兵 | Formaldehyde-free fiber material and formation method thereof, as well as fiber decorative material and manufacturing method thereof |
| JP6482071B2 (en) * | 2015-05-15 | 2019-03-13 | トヨタ紡織株式会社 | Wood board and manufacturing method thereof |
| WO2018216682A1 (en) * | 2017-05-25 | 2018-11-29 | 株式会社パームホルツ | Palm material utilization method, and wood-based material and method for manufacturing same |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3017598B2 (en) * | 1992-03-26 | 2000-03-13 | 大建工業株式会社 | Manufacturing method of decorative board |
| JPH06254826A (en) * | 1993-03-09 | 1994-09-13 | Ube Ind Ltd | Method for preventing warpage of decorative sheet |
| JPH09254102A (en) * | 1996-03-25 | 1997-09-30 | Dantani Plywood Co Ltd | Woody decorative plate |
| JP2002283313A (en) * | 2001-03-27 | 2002-10-03 | Matsushita Electric Works Ltd | Method and apparatus for manufacturing fiberboard |
-
2005
- 2005-09-26 JP JP2005278786A patent/JP4513704B2/en not_active Expired - Fee Related
- 2005-12-31 CN CN 200520128788 patent/CN200939647Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109176759A (en) * | 2018-09-10 | 2019-01-11 | 孙霞伢 | A method of improving Strength of Plywood |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2007083694A (en) | 2007-04-05 |
| JP4513704B2 (en) | 2010-07-28 |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |