CN105983997A - Oriented strandboard - Google Patents
Oriented strandboard Download PDFInfo
- Publication number
- CN105983997A CN105983997A CN201510056430.XA CN201510056430A CN105983997A CN 105983997 A CN105983997 A CN 105983997A CN 201510056430 A CN201510056430 A CN 201510056430A CN 105983997 A CN105983997 A CN 105983997A
- Authority
- CN
- China
- Prior art keywords
- fibrolamellar
- weight portion
- add
- wood chipboard
- oriented wood
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Dry Formation Of Fiberboard And The Like (AREA)
Abstract
The invention discloses an oriented strandboard which comprises an OSB (oriented strandboard) base board layer, facing layers and fiber board layers. The fiber board layers are positioned between the OSB base board layer and the facing layers, separate wood fibers or fiber bundles are treated by the aid of waterproof glue for the fiber board layers and are polished to form basic units of the fiber board layers, and the waterproof glue for the fiber board layers is a mixture of acidized and extracted alkali lignin and urea resin adhesive. The oriented strandboard has the advantages that the oriented strandboard is additionally provided with the fiber board layers, and accordingly the flatness of the surfaces of the oriented strandboard can be greatly enhanced; the fiber board layers can be completely subjected to waterproof treatment under the condition that the formaldehyde emission does not exceed standards.
Description
[technical field]
The present invention relates to oriented wood chipboard, especially floor, Furniture manufacture oriented wood chipboard etc..
[background technology]
OSB (Oriented Strandboard) plate, also known as oriented wood chipboard, domestic is also named it for Europe deals.It is a kind of conjunction
Become timber.The source of " OSB "---the formal name used at school of " Europe deals " is oriented structure chipboard (OrientedStrandBoard, 0SB),
It is a kind of from a kind of new type of plate kind European, that develop rapidly in the world the seventies and eighties." Europe deals " (also referred to as "
Liking that the panel ") application on furniture has obtained unprecedented development, a lot of large-scale furniture enterprises all begins to use " OSB " to make
Making furniture, its reason enjoying consumer to like is exactly formaldehydeless release, and durable, and compares medium density fiber
Plate Hepplewhite is lightweight, and flatness is more preferable.
OSB plate is with small dimension wood, thinnings, reel as raw material, the flaking (of length of being grown up by special equipment processing
As be that 40-100mm length, 5-20mm width, 0.3-0.7mm are thick), through removing oil, be dried, applying glue, orienting spreading,
A kind of directive construction sheet material that the technique such as hot-forming is made.
Its top layer flaking is longitudinal arrangement, and sandwich layer flaking is transversely arranged.This crisscross arrangement, recombinates
Wood grain structure, completely eliminates the wood internal stress impact on processing, is allowed to have outstanding workability with anti-
Tide.Being directive construction owing to OSB is internal, non junction, seamless, slight crack, overall uniformity is good, internal combustion
Intensity is high, so central authorities or edge all have common sheet material, incomparable superpower holds nail ability.
The raw material of " Europe deals " is mainly soft pin, the undersized log of broad-leaved wood, fast-growing thinnings etc., as Eucalyptus, Lignum seu Ramulus Cunninghamiae Lanceolatae,
Poplar thinnings etc., source ratio is wide, and may be produced that significantly panel.Its manufacturing process is mainly certain geometry
The flaking of shape (usually grow 50 millimeters-80 millimeters, wide 5 millimeters-20 millimeters, thick 0.45 millimeter-0.6 millimeter)
Drying, applying glue, orienting spreading and hot-forming.
" OSB ", compared to plate kinds such as plywood, medium density fibre board (MDF) and core-boards, its linear expansion coefficient is little, stable
Property is good, and uniform in material, supine human body is higher；Owing to its wood shavings arrange in certain direction, its longitudinal bending resistance is strong
Degree ratio is the most much bigger, therefore can do structural wood, and can be used as primary structure member.It addition, it can be as timber
Carry out sawing, sand, dig, bore, follow closely, the processing such as file, be the good material of building structure, interior decoration and Furniture manufacture
Material.
But existing oriented wood chipboard has a shortcoming clearly, it is simply that thickness stability is poor.
[summary of the invention]
In order to overcome the deficiencies in the prior art, the present invention provides a kind of oriented wood chipboard, is keeping the excellent of oriented wood chipboard
While Dian, there is higher surface smoothness.
To this end, the oriented wood chipboard of the present invention includes OSB substrate layer, finish coat, fibrolamellar, fibrolamellar is positioned at
Between OSB substrate layer and finish coat, the elementary cell of composition fibrolamellar is that the wood fibre or fibre bundle separated is through fiber
Flaggy marine glue processes and polishing, and described fibrolamellar marine glue is alkali lignin and the Lauxite of acidifying extraction
The mixture of adhesive.
The invention has the beneficial effects as follows: it has been investigated that, differing in size mainly due to wood shavings, the wood shavings of pavement process
Direction and angle, it cannot be guaranteed that fully level is with uniformly, can form certain density gradient, thickness stability is had one
Fixed impact, causes surface irregularity.Owing to adding fibrolamellar so that the flatness of plate surface is greatly promoted,
Reach the peer-level of reinforced composite board, and this layer of newly-increased fibre board/particieboard is not the main body (base of whole sheet material
Body), the gross thickness that its thickness accounts for sheet material is less so that it is water-proofing treatment is possibly realized, and only the present inventor need to be utilized to propose
Method i.e. can be completely achieved and realizes the water-proofing treatment to fibrolamellar in the case of burst size of methanal does not exceeds standard.
[accompanying drawing explanation]
Fig. 1 is the oriented wood chipboard structure chart in the embodiment of the present invention.
[detailed description of the invention]
As it is shown in figure 1, the oriented wood chipboard in the embodiment of the present invention includes OSB substrate layer 1, MDF (i.e. Midst density
Fibre board, is the one of fibre board) layer 2 and finish coat 3, wear-resisting or fireprotection layer 4 can also be included as required.Respectively
Layer is respectively described below:
1) timber of OSB substrate layer 1:OSB substrate layer is mainly with Eucalyptus, it is possible to use Malacca wood, Zelkova schneideriana Hand.-Mazz., birch,
Weedtree, poplar etc..This layer can use OSB plate of the prior art, it would however also be possible to employ special OSB plate, such as adopts
The OSB plate that man-hour, remaining waste material prepared is added with plywood or rotary-cut plate.
2) MDF layer 2: i.e. medium density fiber flaggy, is positioned at OSB substrate layer surface, is i.e. positioned at outside OSB substrate layer
Face.According to different needs, medium density fibre board (MDF) can also use low density fiberboard or high density fiberboard instead.
3) finish coat 3: finish coat is affixed on outside MDF.
4) wear-resisting or fireprotection layer 4: the embodiment of the present invention, according to plank purposes, adds aluminium oxide wearing layer the most again, or
Fireproofed paper.
Wherein, MDF layer is the layer of most critical in the embodiment of the present invention, and it is to determine whole sheet material flatness, waterproof
The key of property.For this reason, it may be necessary to MDF is done water-proofing treatment.Its water-proofing treatment step is as follows:
(1) preparation fibrolamellar marine glue:
A, alkali lignin adds sulphuric acid it is adjusted to pH value be 1.5-2.5, forms insoluble precipitate, filter press, dry
Dry, powdered after finally pulverizing, mesh number is 90-250 mesh, must be acidified the alkali lignin extracted；
B, the alkali lignin extracted with the acidifying of weight ratio 4-6:100 and urea-formaldehyde resin adhesive, mix and blend,
Prepare fibrolamellar marine glue eventually.
Wherein the composition of urea-formaldehyde resin adhesive, ratio and adhesive-preparing technology can use Application No. 201310353441.5,
201310353442.X, in the patent application of 201310353443.4,201310353433.0,201310353411.4
Disclosed technical scheme, it would however also be possible to employ following scheme: formaldehyde 1600-2000 weight portion adds carbamide 600-800 weight
Part, polyvinyl alcohol 13-17 weight portion, tripolycyanamide 22-28 weight portion, and add 27%-33% aqueous alkali alkali tune, make PH
Value reaches 8-9, heats up, and cools to 87-89 DEG C, close temperature lowering water after being incubated 45-55 minute at 89-91 DEG C, starts to adjust
18-22% formalin, in three times, the time is 35-45 minute, PH=5.6-6.0；Start acid reaction temperature 92 ± 1
DEG C keep；Response time is more than 60 minutes, and sampling sees that in 29-31 DEG C of water first becomes little silk, alkali tune PH9-9.3；
Add secondary carbamide 270-330 weight portion；Triamine 450-550 weight portion；Reaction was more than 55-65 minute, and temperature is at 84-86
℃；When sampling regards strip as in 24-26 DEG C of water, adjusting pH value 8.8-9.2, be incubated 55-65 minute, lower the temperature 72-77
DEG C add three carbamide 145-155 weight portions, tripolycyanamide 24-26 weight portion, continue to be cooled to 45-55 DEG C, add
Hexamethylenetetramine 9-11 weight portion, 45-46 DEG C of discharging.
Wherein alkali lignin can be purchased from the market.
(2) composite fibre glue: every 4-6 part viscose joins 1 part of fibrolamellar marine glue, makes into dilute shape.
Wherein viscose is to be reacted by 3.6-4.4:5.4-6.6 weight ratio by carbamide and formaldehyde, heats up at 90 ± 1 DEG C
It is incubated one hour, then adds the formic acid of 18-22% concentration, react 1 hour, then add the NaOH of concentration 27-33%, add
Amount reaches pH value 4.9-5.1, reacts one hour to obtain intermedium, is subsequently adding the carbamide of concentration 13.5-16.5%,
Addition is that every 100 weight portion intermediums add 9-11 parts by weight of urea, reacts 18-22 minute, and the stopping of reaction forms liquid
State glue.Adding concentration 13.5-16.5% carbamide again, addition is that 100 weight portion liquid glues add 8-10 parts by weight of urea, deposits
Put standby.
(3) under room temperature with high-pressure nozzle (selection of pressure size can spray just with liquid glue) with vaporific be sprayed on thread
On fiber, stir fiber so that it is uniformly.The most every 4 jin of fiber 0.8-1.2 jin glue.
The processing technology of MDF: the fiber after water-proofing treatment fits to OSB substrate layer appearance as follows:
1) fiber is put into framed, pave；Its thickness determines according to thickness to be suppressed, such as, if wanted
Being pressed into 0.5 ± 0.1cm MDF layer, the thickness of spread fiber is 4 ± 1cm.
2) precompressed, hot repressing obtains fitting to the fibrolamellar 2 of OSB substrate layer 1.
3) three roads are polished:
A, first, with 180 mesh sand；Polish on upper polishers；
B, second, with 240 mesh sand, upper polishers polishes；
C, the 3rd road, with 320 mesh sand, upper polishers polishes.
The elementary cell of composition MDF (fibre board) layer is the wood fibre or fibre bundle separated, and produces the former of fiber
Material is essentially from gloomy logging residue, wood machining residues etc..Produce by traditional method.Point Mechanical Method and quick-fried
Broken method two class, Mechanical Method is divided again thermal machine method, chemical mechanical pulping and purely mechanic method, is mainly used thermal machine method.
Depending on the thickness of MDF can be according to the purposes of plate, such as: when doing common wealth furniture sheet material, the desirable 0.6mm of its thickness
Left and right.Its thickness can also use as poplar plate of the prior art thick.
The attaching process of finish coat:
Finish coat attaching process in the embodiment of the present invention like the prior art, in pressing at high temperature 160 ± 10 DEG C
On fine flaggy.Wherein finishing paper himself can have been coated with tripolycyanamide leaching pool glue with outsourcing；Decorative pattern is also by printing house's thing
The most printed.
Embodiment 1,
Alkali lignin adds sulphuric acid being adjusted to pH value is 2.0, forms insoluble precipitate, filter press, is dried,
After rear pulverizing powdered, mesh number is 90-250 mesh, must be acidified extract alkali lignin；Use weight ratio 5:100 again
Acidifying extract alkali lignin and urea-formaldehyde resin adhesive mix and blend, finally prepare fibrolamellar marine glue.Then
Every 5 parts of viscoses join 1 part of fibrolamellar marine glue, make into dilute shape.
Wherein the composition of urea-formaldehyde resin adhesive, ratio and adhesive-preparing technology are as follows: formaldehyde 1800Kg add carbamide 700Kg,
Polyvinyl alcohol 15Kg, tripolycyanamide 25Kg, with 30% aqueous alkali alkali tune, pH value 8.5, heat up, 90 DEG C ± insulation
Lowering the temperature 88 DEG C after 50 minutes, close temperature lowering water, start to adjust 20% formalin, in three times, the time is 40 minutes,
PH=5.6-6.0；Starting acid reaction, temperature 92 DEG C, keep, the response time is more than 60 minutes, and sampling is at 30 DEG C
Water being seen, first becomes little silk, alkali tune PH9.2；Adding secondary carbamide 300Kg, triamine 500Kg, reaction is more than 60
Minute, temperature is at 85 DEG C；Thread or strip is regarded in sampling in 25 DEG C of water as, adjusts pH value 9, is incubated 60 minutes,
Lower the temperature 75 DEG C, add three carbamide 150Kg, tripolycyanamide 25Kg, continue to cool to 50 DEG C, add six methines four
Amine 10Kg, 45-46 DEG C of discharging.
Wherein viscose is to be reacted by 4:6 weight ratio by carbamide and formaldehyde, heats up and is incubated one hour, then at 90 times
Adding the formic acid of 20% concentration, react 1 hour, then add the NaOH of concentration 30%, make pH value reach 5.0, reaction one is little
Time obtain intermedium, be subsequently adding the carbamide of concentration 15%, addition be every 100 weight portion intermediums add 10 weight portions urine
Element, reacts 20 minutes, and the stopping of reaction forms liquid glue.Adding concentration 15% carbamide again, addition is 100 weight portion liquid
State glue adds 10 parts by weight of urea, deposits standby.It is sprayed in filamentary fibers with vaporific with high-pressure nozzle the most at normal temperatures,
Stirring fiber so that it is uniformly.The most every 4 jin of fibers are with 1 jin of glue.Then fiber is put into framed, pave, institute
The thickness of paving fiber is 4cm.Precompressed, hot repressing obtains fitting to the fibrolamellar of OSB substrate layer, thickness 0.6mm；
Upper polishers polishes three roads: A, first the most again, with 180 mesh sand；B, second, with 240 mesh sand；C,
Three roads, with 320 mesh sand.Wherein glue used by OSB substrate layer is internal layer marine glue special in this embodiment, its
Be with weight ratio 30:100 acidifying extract alkali lignin and urea-formaldehyde resin adhesive mix together；Wherein institute
The alkali lignin stating acidifying extraction is to prepare by the following method: alkali lignin adds sulphuric acid being adjusted to pH value is 2.0,
Forming insoluble precipitate, filter press, be dried, powdered after finally pulverizing, mesh number is 90-250 mesh.
The assay of above-mentioned real wood strenthening plywood is as follows:
From assay, in the case of flatness is much higher than existing oriented wood chipboard, its resistance to water is close to multiple
Closing solid wood board level, content of formaldehyde does not exceeds standard simultaneously.
Embodiment two:
PH value in embodiment one is adjusted to 1.5 or 2.5, the most still can obtain the result being satisfied in the main.
Embodiment three:
Alkali lignin acidifying in embodiment one extracted and the ratio of urea-formaldehyde resin adhesive are adjusted to 4:100 or 6:
100, the result being satisfied in the main can be obtained after tested.
Embodiment four: use the fibrolamellar marine glue in embodiment one instead Application No. 201410057175.6, title
For " lignin-phenol-urea-formaldehyde condensation copolymerization resin adhesive and preparation method ", inventor Sun Run storehouse, Yuan
With the adhesive in the Chinese invention patent application of fine jade etc., the result being satisfied in the main can be obtained after tested.
Claims (10)
1. an oriented wood chipboard, including OSB substrate layer (1), finish coat (3), is characterized in that: also include fiber
Flaggy (2), is positioned between OSB substrate layer (1) and finish coat (3), the elementary cell of composition fibrolamellar (2)
Be separate wood fibre or fibre bundle through fibrolamellar marine glue process and polishing, described fibrolamellar marine glue
It is alkali lignin and the mixture of urea-formaldehyde resin adhesive of acidifying extraction.
2. oriented wood chipboard as claimed in claim 1, is characterized in that: described fibrolamellar is medium density fibre board (MDF).
3. oriented wood chipboard as claimed in claim 1 or 2, is characterized in that: also paste in the outside of finish coat (3)
Conjunction has wear-resisting or fireprotection layer (4).
4. oriented wood chipboard as claimed in claim 1 or 2, is characterized in that: described fibrolamellar marine glue is by such as
Lower scheme is formulated: the alkali lignin extracted with the acidifying of weight ratio 4-6:100 and urea-formaldehyde resin adhesive, mixed
Close stirring；The alkali lignin that described acidifying is extracted is to prepare by the following method: alkali lignin is added sulphuric acid and is adjusted to PH
Value is 1.5-2.5, forms insoluble precipitate, filter press, is dried, and final powder is broken into powder, and mesh number is 90-250
Mesh.
5. oriented wood chipboard as claimed in claim 1 or 2, it is characterized in that described fibrolamellar marine glue process be by
Following manner is carried out: first with viscose mixing, fibrolamellar marine glue is made into sprayable dilute shape glue, then room temperature
Lower shower nozzle is sprayed in filamentary fibers with vaporific, stirs fiber so that it is uniformly；The most every 4 percent by weight fiber 0.8-1.2
Weight portion dilute shape glue.
6. oriented wood chipboard as claimed in claim 5, is characterized in that: described viscose is prepared by following scheme:
Pressed the reaction of 3.6-4.4:5.4-6.6 weight ratio by carbamide and formaldehyde, heat up and be incubated one hour, then at 90 ± 1 DEG C
Add the formic acid of 18-22% concentration, react 1 hour, then add the NaOH of concentration 27-33%, make pH value reach 4.9-5.1,
Reacting one hour to obtain intermedium, be subsequently adding the carbamide of concentration 13.5-16.5%, addition is in the middle of every 100 weight portions
Thing adds 9-11 parts by weight of urea, reacts 18-22 minute, and the stopping of reaction forms liquid glue；Add concentration 13.5-16.5% again
Carbamide, addition is that 100 weight portion liquid glues add 8-10 parts by weight of urea.
7. oriented wood chipboard as claimed in claim 5, is characterized in that: described fibrolamellar (2) is as follows
Realize: first prepare OSB substrate layer (1), then the fiber processed through fibrolamellar marine glue is put into OSB
In framed on substrate layer (1), paving, precompressed, hot repressing obtains fitting to the fibre board of OSB substrate layer (1)
Layer (2), is processed by shot blasting.
8. oriented wood chipboard as claimed in claim 7, is characterized in that: described polishing has three roads, is respectively as follows: first
Road, with 180 mesh sand；Polish on upper polishers；Second, with 240 mesh sand, upper polishers polishes；3rd road,
With 320 mesh sand, upper polishers polishes.
9. oriented wood chipboard as claimed in claim 1 or 2, is characterized in that: described OSB substrate layer (1) includes many
Individual sublayer, is formed by internal layer marine glue laminating lamination, and described internal layer marine glue is with the acid of weight ratio 20-35:100
Change the alkali lignin and urea-formaldehyde resin adhesive extracted, mix together；The alkali lignin that wherein said acidifying is extracted
It is to prepare by the following method: alkali lignin adds sulphuric acid being adjusted to pH value is 1.5-2.5, forms insoluble precipitate,
Filter press, is dried, and final powder is broken into powder, and mesh number is 90-250 mesh.
10. oriented wood chipboard as claimed in claim 4, is characterized in that: described urea-formaldehyde resin adhesive is as follows
Prepare: formaldehyde 1600-2000 weight portion adds carbamide 600-800 weight portion, polyvinyl alcohol 13-17 weight portion, trimerization
Cyanamide 22-28 weight portion, and add 27%-33% aqueous alkali alkali tune, make pH value reach 8-9, heat up, 89-91 DEG C of insulation
Cooling to 87-89 DEG C after 45-55 minute, close temperature lowering water, start to adjust 18-22% formalin, in three times, the time is
35-45 minute, PH=5.6-6.0；Start acid reaction temperature 92 ± 1 DEG C holding；Response time is more than 60 minutes,
Sampling sees that in 29-31 DEG C of water first becomes little silk, alkali tune PH9-9.3；Add secondary carbamide 270-330 weight portion；Three
Amine 450-550 weight portion；Reaction was more than 55-65 minute, and temperature is at 84-86 DEG C；Sampling is regarded as in 24-26 DEG C of water
During strip, adjust pH value 8.8-9.2, be incubated 55-65 minute, lower the temperature 72-77 DEG C and add three carbamide 145-155 weights
Amount part, tripolycyanamide 24-26 weight portion, continue to be cooled to 45-55 DEG C, add hexamethylenetetramine 9-11 weight portion,
45-46 DEG C of discharging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510056430.XA CN105983997A (en) | 2015-02-03 | 2015-02-03 | Oriented strandboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510056430.XA CN105983997A (en) | 2015-02-03 | 2015-02-03 | Oriented strandboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105983997A true CN105983997A (en) | 2016-10-05 |
Family
ID=57037098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510056430.XA Pending CN105983997A (en) | 2015-02-03 | 2015-02-03 | Oriented strandboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105983997A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3816236A (en) * | 1971-12-27 | 1974-06-11 | Armstrong Cork Co | Cross-banding material for wood veneers |
| CN2863971Y (en) * | 2005-12-02 | 2007-01-31 | 徐久亮 | Soft wood solid wood type floor |
| CN101134835A (en) * | 2007-09-17 | 2008-03-05 | 中国林业科学研究院木材工业研究所 | Method for preparing modified urea-formaldehyde resin |
| CN201525061U (en) * | 2009-08-28 | 2010-07-14 | 云南永利发林业有限公司 | Composite plywood with surface layer of fiberboard or shaving board |
| CN101880368A (en) * | 2009-05-05 | 2010-11-10 | 江门市双键化学企业有限公司 | Preparation method of low-emission urea formaldehyde resin |
| CN103450832A (en) * | 2013-08-14 | 2013-12-18 | 广西南宁绿园北林木业有限公司 | Modified urea-formaldehyde resin adhesive and production method thereof |
-
2015
- 2015-02-03 CN CN201510056430.XA patent/CN105983997A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3816236A (en) * | 1971-12-27 | 1974-06-11 | Armstrong Cork Co | Cross-banding material for wood veneers |
| CN2863971Y (en) * | 2005-12-02 | 2007-01-31 | 徐久亮 | Soft wood solid wood type floor |
| CN101134835A (en) * | 2007-09-17 | 2008-03-05 | 中国林业科学研究院木材工业研究所 | Method for preparing modified urea-formaldehyde resin |
| CN101880368A (en) * | 2009-05-05 | 2010-11-10 | 江门市双键化学企业有限公司 | Preparation method of low-emission urea formaldehyde resin |
| CN201525061U (en) * | 2009-08-28 | 2010-07-14 | 云南永利发林业有限公司 | Composite plywood with surface layer of fiberboard or shaving board |
| CN103450832A (en) * | 2013-08-14 | 2013-12-18 | 广西南宁绿园北林木业有限公司 | Modified urea-formaldehyde resin adhesive and production method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 齐连丽: "碱木质素改性脲醛树脂的研究", 《中国优秀硕士学位论文全文数据库 工程科技I辑》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105984010A (en) | Method for manufacturing oriented strandboard | |
| CN108276942A (en) | A kind of ultralow aldehyde impregnated paper dipping glue and preparation method thereof | |
| CN103568099B (en) | A kind of preparation method of decorative panel | |
| CN102977846B (en) | Adhesive for plywood and method for preparing same | |
| CN101724282B (en) | Fungus chaff composite plate | |
| CN101298159B (en) | Processing technique of medium density fiber plate suitable for routing board | |
| CN109500976A (en) | A kind of production technology of the low aldehyde particieboard of high intensity | |
| CN103265921A (en) | High-gloss anti-crack adhesive for multilayer plywood and method for manufacturing multilayer plywood | |
| US20210189134A1 (en) | Wood Composite Board and Preparation Method Thereof | |
| CN110272707A (en) | Milling fiberboard is engraved in a kind of isocyanates gluing agent combination material and its manufacture | |
| CN105583935B (en) | A kind of method that environment protecting fiber board is prepared based on chitosan blend lignin | |
| CN105619544A (en) | Manufacturing method of solid wood composite reinforcing board | |
| CN105984185A (en) | Oriented strand board (OSB) | |
| CN104690801A (en) | Bamboo enhanced wood residue-rice hull multi-layer compound plate and preparation method thereof | |
| CN110919810B (en) | CARB-grade low-swelling fiberboard manufacturing process and application thereof to high-mould-pressure floor base material | |
| CN105983997A (en) | Oriented strandboard | |
| CN105690528A (en) | Method for improving surface evenness of solid board | |
| CN105983998A (en) | Method for manufacturing oriented strandboard | |
| CN110154460B (en) | Bamboo surface ecological plate and preparation method thereof | |
| CN107297809A (en) | A kind of particieboard hot-press method | |
| CN110281339A (en) | A kind of preparation method of fire-resistant-chipboard | |
| CN110978200A (en) | Composite block board and manufacturing method thereof | |
| CN108705646A (en) | Rice and kernel straw fire-retardation artificial board and preparation method thereof | |
| CN107160497B (en) | A kind of OSB using the filling of PCB resin fibres powder orients solid wood essence panel and its processing method | |
| CN103692532A (en) | Method for preparing floor substrate by reed stems |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161005 |