CN102433983A - Full-poplar multilayer solid wood composite floor and production method thereof - Google Patents
Full-poplar multilayer solid wood composite floor and production method thereof Download PDFInfo
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- CN102433983A CN102433983A CN2011102457272A CN201110245727A CN102433983A CN 102433983 A CN102433983 A CN 102433983A CN 2011102457272 A CN2011102457272 A CN 2011102457272A CN 201110245727 A CN201110245727 A CN 201110245727A CN 102433983 A CN102433983 A CN 102433983A
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- 239000002023 wood Substances 0.000 title claims abstract description 33
- 239000007787 solid Substances 0.000 title claims abstract description 29
- 239000002131 composite material Substances 0.000 title claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 241000219000 Populus Species 0.000 claims abstract description 103
- 229920005989 resin Polymers 0.000 claims abstract description 25
- 239000011347 resin Substances 0.000 claims abstract description 25
- 238000001035 drying Methods 0.000 claims abstract description 24
- 229920000877 Melamine resin Polymers 0.000 claims abstract description 17
- 239000011120 plywood Substances 0.000 claims abstract description 13
- 238000007731 hot pressing Methods 0.000 claims abstract description 12
- 239000003292 glue Substances 0.000 claims abstract description 8
- 239000000284 extract Substances 0.000 claims description 20
- 238000002803 maceration Methods 0.000 claims description 20
- 239000000853 adhesive Substances 0.000 claims description 17
- 239000004640 Melamine resin Substances 0.000 claims description 14
- 230000001070 adhesive effect Effects 0.000 claims description 11
- 238000005470 impregnation Methods 0.000 claims description 8
- 235000010627 Phaseolus vulgaris Nutrition 0.000 claims description 7
- 244000046052 Phaseolus vulgaris Species 0.000 claims description 7
- 238000012986 modification Methods 0.000 claims description 7
- 230000004048 modification Effects 0.000 claims description 7
- 238000013022 venting Methods 0.000 claims description 7
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 3
- 239000003973 paint Substances 0.000 description 27
- 230000037452 priming Effects 0.000 description 15
- 238000012423 maintenance Methods 0.000 description 12
- 238000005498 polishing Methods 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- 239000004372 Polyvinyl alcohol Substances 0.000 description 5
- 238000007598 dipping method Methods 0.000 description 5
- 229920002451 polyvinyl alcohol Polymers 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000002146 bilateral effect Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 230000002977 hyperthermial effect Effects 0.000 description 3
- 238000003801 milling Methods 0.000 description 3
- 238000007591 painting process Methods 0.000 description 3
- 230000036316 preload Effects 0.000 description 3
- 238000003892 spreading Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000012153 distilled water Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000011121 hardwood Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
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- Veneer Processing And Manufacture Of Plywood (AREA)
Abstract
The invention relates to a full poplar multilayer solid wood composite floor and a production method thereof. The all-poplar multilayer solid wood composite floor is characterized by being formed by bonding a plurality of poplar veneers, wherein the poplar veneers are treated by impregnating resin, and the resin used in the impregnating resin treatment is melamine formaldehyde resin. The production method of the all-poplar multilayer solid wood composite floor comprises the steps of drying, splicing, glue splicing, assembly and hot pressing of poplar veneers to form the all-poplar multilayer plywood, and then manufacturing the all-poplar multilayer plywood into the solid wood composite floor. The invention has the advantages that: uniform structure, high strength and good size stability.
Description
Technical field
The present invention relates to a kind of full poplar multi-layer solid wood composite floor and production method thereof.
Background technology
Poplar is good renewable raw materials, yet the poplar material is relatively poor, if do not handle and directly use through modification, be difficult to reach high-quality timber intrinsic physical and mechanical property.For above-mentioned reasons, existing poplar wood floor all is to be formed by poplar and other wood composite, does not have pure poplar wood floor.
Summary of the invention
The full poplar multi-layer solid wood composite floor and the production method thereof that the purpose of this invention is to provide a kind of even structure, dimensionally stable.
In order to achieve the above object; The invention provides a kind of full poplar multi-layer solid wood composite floor, it is characterized in that, form by multilayer board using poplar board bonding; Described board using poplar board is handled through impregnating resin, and used resin was a melamine resin during described impregnating resin was handled.
The present invention also provides the production method of above-mentioned full poplar multi-layer solid wood composite floor; Comprise the poplar multi-plywood is helped in board using poplar board drying, splicing, assembly glue, assembly, hot pressing; Again full poplar multi-plywood is processed solid wooden compound floor, it is characterized in that, between described drying and splicing step; Dried board using poplar board is carried out impregnating resin handle, used resin was a melamine resin during described impregnating resin was handled.
Preferably, described impregnating resin is handled and is comprised vacuum impregnation stage, impregnating by pressure stage and drying stage.
More preferably; The step in described vacuum impregnation stage is: board using poplar board is put into the vacuum still; Vacuumize, the melamine resin maceration extract is sent in the vacuum still, make board using poplar board be immersed in fully in melamine resin (MF) maceration extract; Vacuum impregnation 0.5-3 hour, venting recovered normal pressure.Vacuum after described the vacuumizing is 1333-2000Pa.
More preferably, the step in described impregnating by pressure stage is: the container that will fill melamine resin maceration extract and board using poplar board is put into autoclave, is forced into 0.5-1.5 Mpa, keep pressure 0.5-1.5h after, venting recovers normal pressure.
More preferably, the weight percent concentration of melamine resin is 30-70% in the described melamine resin maceration extract.
More preferably, the step of described drying stage is: after board using poplar board air dry at room temperature, put into dry kiln and heat up dry.
More preferably, described intensification drying is: 30-50 ℃ of drying 1 hour, 50-70 ℃ dry 1 hour, 70-90 ℃ of drying 2 hours, 95-115 ℃ of drying 20 hours.
More preferably, after described impregnating resin was handled, the unit intensity of board using poplar board increased to 0.70g/cm
3-0.85g/cm
3
Preferably, described splicing and assembly glue step adopt environment-friendly type not have aldehyde modification bean gum as bonding adhesive.
Advantage of the present invention is:
1, be primary raw material with the poplar plates of solid wood, carry out compound because the poplar multi-plywood material is compared advantage such as have even structure, intensity is high, dimensional stability is good with solid wood;
2, aspect production technology, adopt the vacuum pressed mode, board using poplar board to be carried out the MF resin impregnation handle, its hardness, flexural strength, water resistance, dimensional stability are all very good.
3, compare with conventional multi-layer solid wood composite floor, overlay this procedure, therefore produce simply low cost of manufacture owing to not pasting one deck hardwood, can saving at the plate face;
4, adopt aldehyde-free gum, have very strong bonding strength, bean gum is the novel environment-friendly adhesive, does not have any free formaldehyde, to ambient influnence;
Description of drawings
Fig. 1 is full poplar multi-layer solid wood composite floor structural representation;
Fig. 2 is the hardness sketch map of board using poplar board;
Fig. 3 is the size changing rate sketch map.
The specific embodiment
Specify the present invention below in conjunction with embodiment.
(1) the poplar log is blocked, boiling, strips off the skin, be peeled into board using poplar board, drying guarantees that the dried moisture content of board using poplar board is 8%, and face ply thickness needs at 2.0MM, and as the paint face, other layers veneer thickness is at 1.0MM;
(2) board using poplar board being carried out impregnating resin handles.Board using poplar board is put into the vacuum still, be evacuated to 1500Pa, kept 1 hour; Be that 50% MF maceration extract is (with solid content 80% with the weight percent concentration for preparing then; PH 8.2～9.7; Viscosity 700-1100mPa.s, the trade mark are Sumirez Resin 613, and the melamine-formaldehyde resin adhesive liquid l000ml that SUMITOMO CHEMICAL chemical industry Co., Ltd. makes adds distilled water 600ml preparation and obtains) send in the container in the vacuum still; Require board using poplar board to be immersed in fully in the maceration extract, under vacuum state, flooded 1 hour then.Slowly after the venting, the container that fills maceration extract and board using poplar board is taken out from the vacuum still, put into autoclave again, be forced into 0.98Mpa and keep after 60 minutes slowly arranging to gas in exhaust 1O minute, the taking-up board using poplar board, and will flood the wiped clean at night; More than 16 hours, put into dry kiln hyperthermic treatment 24 hours (temperature adjustment to 4O ℃ of maintenance l hour, 2 hours, 105 ℃ maintenances of 1 hour, 80 ℃ maintenances of 6O ℃ maintenance 2O hour) gradually again, the completion of board using poplar board dipping in 20 ℃ of following air dries of room temperature.The unit intensity of board using poplar board increases to 0.75g/cm
3
(3) board using poplar board is spliced and pieces together glue; Need to guarantee that texture is crisscross between the board using poplar board, and front texture and length direction are in the same way, the mode of employing single spreading; Used adhesive is that environment-friendly type does not have aldehyde modification bean gum bonding adhesive 8; Then to its carry out assembly, precompressed (preload pressure is 1.1Mpa, and squeeze time is 40min), (hot pressing pressure is 2.0Mpa, and temperature is 150 ℃ in hot pressing; Hot pressing time is 480s), cut off and obtain full poplar multi-plywood, place it in the environment of constant temperature and humidity subsequent use;
(4) be ready to up-to-standard full poplar plywood, it is opened back side stress groove 10, positive sanding adopts 60#, 80# abrasive band to carry out sanding surface, guarantees the thickness uniformity;
(5) to its four limit mortice opening (groove 6, tenon 7), that equipment debugging is good, at first plain plate is carried out both-end and mill formation tenon 6, carry out bilateral milling through four side moulder equipment, form groove 7, accomplish through this process poplar wood floor tongue-and-groove;
(6) plate face 9 polishings: the plain plate of carrying out tongue-and-groove will carry out 9 polishings of plate face, guarantees that plate face 9 is smooth, smooth, and no burr etc. use the 180# abrasive band polishing;
(7) oil paint coating: earlier at plate face 9 coating UV water-based adhesive agents; Color is done true qualities; Be not add any look essence or mill base in the water-based UV adhesive agent; Pass through leveling machine drying, priming paint, secondary priming paint, a sanding, three priming paint, four priming paint, five priming paint, secondary sanding, a finish paint, twice finish paint then successively, accomplish painting process.
As shown in Figure 1; Be full poplar multi-layer solid wood composite floor structural representation; Described full poplar multi-layer solid wood composite floor is made up of first board using poplar board 1, first board using poplar board 2, first board using poplar board 3, first board using poplar board 4 and first board using poplar board 5, does not have aldehyde modification bean gum bonding adhesive 8 bondings with environment-friendly type between the board using poplar board.
Comparative Examples 1
(1) the poplar log is blocked, boiling, strips off the skin, be peeled into board using poplar board, drying guarantees that the dried moisture content of board using poplar board is 12%, and face ply thickness needs at 4.0MM, and as the paint face, other layers veneer thickness is at 1.5MM;
(2) board using poplar board being carried out impregnating resin handles.Board using poplar board is put into the vacuum still, be evacuated to 1500Pa, kept 1 hour; Be that (polyvinyl alcohol (PVA500#) resin 175 g are put into 75 ℃ of 3350 ml distilled water preparation to be obtained for 5% PVA maceration extract with the weight percent concentration for preparing then; Polyvinyl alcohol (PVA500#) resin; Degree of hydrolysis 87%; Gel degree 88%, molecular weight 1700, Japanese Northeast chemical industry Co., Ltd. makes.) send in the container in the vacuum still, require board using poplar board to be immersed in fully in the maceration extract, under vacuum state, flooded 1 hour then.Slowly after the venting, the container that fills maceration extract and board using poplar board is taken out from the vacuum still, put into autoclave again, be forced into 0.98Mpa and keep after 60 minutes slowly arranging to gas in exhaust 1O minute, the taking-up board using poplar board, and will flood the wiped clean at night; More than 16 hours, put into dry kiln hyperthermic treatment 24 hours (temperature adjustment to 4O ℃ of maintenance l hour, 2 hours, 105 ℃ maintenances of 1 hour, 80 ℃ maintenances of 6O ℃ maintenance 2O hour) gradually again, the completion of board using poplar board dipping in 20 ℃ of following air dries of room temperature.
(3) board using poplar board is spliced and pieces together glue, need to guarantee that texture is crisscross between the board using poplar board, and front texture and length direction are in the same way; Adopt the mode of single spreading; Used adhesive is that environment-friendly type does not have aldehyde modification bean gum bonding adhesive 8, then to its carry out assembly, precompressed (preload pressure is 1.1Mpa, and squeeze time is 40min), (hot pressing pressure is 2.0Mpa in hot pressing; Temperature is 150 ℃; Hot pressing time is 480s), cut off, check, pack, obtain full poplar multi-plywood, place it in the environment of constant temperature and humidity subsequent use;
(4) be ready to up-to-standard full poplar plywood, it is opened back side stress groove 10, positive sanding adopts 60#, 80# abrasive band to carry out sanding surface, guarantees the thickness uniformity;
(5) to its four limit mortice opening (groove 6, tenon 7), that equipment debugging is good, at first plain plate is carried out both-end and mill formation tenon 6, carry out bilateral milling through four side moulder equipment, form groove 7, accomplish through this process poplar wood floor tongue-and-groove;
(6) plate face 9 polishings: the plain plate of carrying out tongue-and-groove will carry out 9 polishings of plate face, guarantees that plate face 9 is smooth, smooth, and no burr etc. use the 180# abrasive band polishing;
(7) oil paint coating: earlier at plate face 9 coating UV water-based adhesive agents; Color is done true qualities; Be not add any look essence or mill base in the water-based UV adhesive agent; Pass through leveling machine drying, priming paint, secondary priming paint, a sanding, three priming paint, four priming paint, five priming paint, secondary sanding, a finish paint, twice finish paint then successively, accomplish painting process.
Comparative Examples 2
(1) the poplar log is blocked, boiling, strips off the skin, be peeled into board using poplar board, drying guarantees that the dried moisture content of board using poplar board is 10%, and face ply thickness needs at 3.0MM, and as the paint face, other layers veneer thickness is at 1.2MM;
(2) board using poplar board being carried out impregnating resin handles.Board using poplar board is put into the vacuum still, be evacuated to 1500Pa, kept 1 hour; Then with the PVA for preparing and MF mixed impregnant liquor (weight percent concentration that embodiment 1 is used be weight percent concentration that 50% MF maceration extract 1000 ml and Comparative Examples 1 are used be 5% PVA maceration extract 1000ml mix obtain) send in the container in the vacuum still; Require board using poplar board to be immersed in fully in the maceration extract, under vacuum state, flooded 1 hour then.Slowly after the venting, the container that fills maceration extract and board using poplar board is taken out from the vacuum still, put into autoclave again, be forced into 0.98Mpa and keep after 60 minutes slowly arranging to gas in exhaust 1O minute, the taking-up board using poplar board, and will flood the wiped clean at night; More than 16 hours, put into dry kiln hyperthermic treatment 24 hours (temperature adjustment to 4O ℃ of maintenance l hour, 2 hours, 105 ℃ maintenances of 1 hour, 80 ℃ maintenances of 6O ℃ maintenance 2O hour) gradually again, the completion of board using poplar board dipping in 20 ℃ of following air dries of room temperature.
(3) board using poplar board is spliced and pieces together glue, need to guarantee that texture is crisscross between the board using poplar board, and front texture and length direction are in the same way; Adopt the mode of single spreading; Used adhesive is that environment-friendly type does not have aldehyde modification bean gum bonding adhesive 8, then to its carry out assembly, precompressed (preload pressure is 1.1Mpa, and squeeze time is 40min), (hot pressing pressure is 2.0Mpa in hot pressing; Temperature is 150 ℃; Hot pressing time is 480s), cut off, check, pack, obtain full poplar multi-plywood, place it in the environment of constant temperature and humidity subsequent use;
(4) be ready to up-to-standard full poplar plywood, it is opened back side stress groove 10, positive sanding adopts 60#, 80# abrasive band to carry out sanding surface, guarantees the thickness uniformity;
(5) to its four limit mortice opening (groove 6, tenon 7), that equipment debugging is good, at first plain plate is carried out both-end and mill formation tenon 6, carry out bilateral milling through four side moulder equipment, form groove 7, accomplish through this process poplar wood floor tongue-and-groove;
(6) plate face 9 polishings: the plain plate of carrying out tongue-and-groove will carry out 9 polishings of plate face, guarantees that plate face 9 is smooth, smooth, and no burr etc. use the 180# abrasive band polishing;
(7) oil paint coating: earlier at plate face 9 coating UV water-based adhesive agents; Color is done true qualities; Be not add any look essence or mill base in the water-based UV adhesive agent; Pass through leveling machine drying, priming paint, secondary priming paint, a sanding, three priming paint, four priming paint, five priming paint, secondary sanding, a finish paint, twice finish paint then successively, accomplish painting process.
The product of embodiment and Comparative Examples gained is tested as follows:
(1) hardness test: make each 1 of board using poplar board after the handling behind the dipping, on its tangential plane, determine 4 measured points through 3 kinds of maceration extracts.With the speed pressurization of the accurate universal testing machine of low loading with 0.5mm/min, the pressurization degree of depth 0.32 mm obtains the compression capability (N/mm of each measured point
2).The average that tested surface is 4 is for handling the hardness of back board using poplar board, and experimental result is seen Fig. 2.
(2) tangential dimensionally stable property testing: under different condition, observe size changing rate, with the wood dimensional stability behind the explanation dipping.Tangential size changing rate design formulas size changing rate=(L
0-L
1)/L
0, result of the test is seen Fig. 3.
Conclusion: hence one can see that with concentration is that 50%MF is suitable maceration extract.
Claims (10)
1. a full poplar multi-layer solid wood composite floor is characterized in that, is formed by multilayer board using poplar board bonding, and described board using poplar board is handled through impregnating resin, and used resin was a melamine resin during described impregnating resin was handled.
2. full poplar multi-layer solid wood composite floor as claimed in claim 1 is characterized in that, described impregnating resin is handled and comprised vacuum impregnation stage, impregnating by pressure stage and drying stage.
3. the production method of the described full poplar multi-layer solid wood composite floor of claim 1; Comprise the poplar multi-plywood is helped in board using poplar board drying, splicing, assembly glue, assembly, hot pressing; Again full poplar multi-plywood is processed solid wooden compound floor, it is characterized in that, between described drying and splicing step; Dried board using poplar board is carried out impregnating resin handle, used resin was a melamine resin during described impregnating resin was handled.
4. like the production method of full poplar multi-layer solid wood composite floor as claimed in claim 3, it is characterized in that described impregnating resin is handled and comprised vacuum impregnation stage, impregnating by pressure stage and drying stage.
5. the production method of full poplar multi-layer solid wood composite floor as claimed in claim 4; It is characterized in that the step in described vacuum impregnation stage is: board using poplar board is put into the vacuum still, vacuumize; The melamine resin maceration extract is sent in the vacuum still; Make board using poplar board be immersed in fully in the melamine resin maceration extract, vacuum impregnation 0.5-3 hour, venting recovered normal pressure.
6. the production method of full poplar multi-layer solid wood composite floor as claimed in claim 4; It is characterized in that; The step in described impregnating by pressure stage is: the container that will fill melamine resin maceration extract and board using poplar board is put into autoclave; Be forced into 0.5-1.5 Mpa, keep pressure 0.5-1.5h after, venting recovers normal pressure.
7. like the production method of claim 5 or 6 described full poplar multi-layer solid wood composite floors, it is characterized in that the weight percent concentration of melamine resin is 30-70% in the described melamine resin maceration extract.
8. the production method of full poplar multi-layer solid wood composite floor as claimed in claim 4 is characterized in that, the step of described drying stage is: after board using poplar board air dry at room temperature, put into dry kiln and heat up dry.
9. the production method of full poplar multi-layer solid wood composite floor as claimed in claim 4; It is characterized in that described intensification drying is: 30-50 ℃ of drying 1 hour, 50-70 ℃ dry 1 hour; 70-90 ℃ of drying 2 hours, 95-115 ℃ of drying 20 hours.
10. the production method of full poplar multi-layer solid wood composite floor as claimed in claim 4 is characterized in that, described splicing and assembly glue step adopt environment-friendly type not have aldehyde modification bean gum as bonding adhesive.
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| CN2011102457272A CN102433983A (en) | 2011-08-25 | 2011-08-25 | Full-poplar multilayer solid wood composite floor and production method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011102457272A CN102433983A (en) | 2011-08-25 | 2011-08-25 | Full-poplar multilayer solid wood composite floor and production method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106113186A (en) * | 2016-08-04 | 2016-11-16 | 南京博俊新材料有限公司 | A kind of method of Wooden modifying |
| CN107013010A (en) * | 2017-03-28 | 2017-08-04 | 德华兔宝宝装饰新材股份有限公司 | The method that layering forging and stamping prepare high stability solid wooden compound floor |
| CN108994983A (en) * | 2018-08-08 | 2018-12-14 | 阜南盛原木业有限公司 | A kind of preparation method improving fast growing wood glued board mechanical property |
| CN112720747A (en) * | 2020-12-30 | 2021-04-30 | 佛山(华南)新材料研究院 | Preparation method of high-strength compact wood |
| CN113370340A (en) * | 2021-06-21 | 2021-09-10 | 德华兔宝宝装饰新材股份有限公司 | Modified fast-growing poplar solid wood floor and modification method thereof |
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|---|---|---|---|---|
| CN1174113A (en) * | 1995-08-28 | 1998-02-25 | 中国农业科学院原子能利用研究所 | Paulownia wood-resin plyboard producing method and product thereof |
| CN1381342A (en) * | 2002-05-10 | 2002-11-27 | 四川智勇木业有限公司 | Antiwear composite wood floor and its making method |
| CN101100074A (en) * | 2006-07-04 | 2008-01-09 | 阎建华 | Method for manufacturing decorative plate |
-
2011
- 2011-08-25 CN CN2011102457272A patent/CN102433983A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1174113A (en) * | 1995-08-28 | 1998-02-25 | 中国农业科学院原子能利用研究所 | Paulownia wood-resin plyboard producing method and product thereof |
| CN1381342A (en) * | 2002-05-10 | 2002-11-27 | 四川智勇木业有限公司 | Antiwear composite wood floor and its making method |
| CN101100074A (en) * | 2006-07-04 | 2008-01-09 | 阎建华 | Method for manufacturing decorative plate |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106113186A (en) * | 2016-08-04 | 2016-11-16 | 南京博俊新材料有限公司 | A kind of method of Wooden modifying |
| CN107013010A (en) * | 2017-03-28 | 2017-08-04 | 德华兔宝宝装饰新材股份有限公司 | The method that layering forging and stamping prepare high stability solid wooden compound floor |
| CN108994983A (en) * | 2018-08-08 | 2018-12-14 | 阜南盛原木业有限公司 | A kind of preparation method improving fast growing wood glued board mechanical property |
| CN112720747A (en) * | 2020-12-30 | 2021-04-30 | 佛山(华南)新材料研究院 | Preparation method of high-strength compact wood |
| CN113370340A (en) * | 2021-06-21 | 2021-09-10 | 德华兔宝宝装饰新材股份有限公司 | Modified fast-growing poplar solid wood floor and modification method thereof |
| CN113370340B (en) * | 2021-06-21 | 2022-06-10 | 德华兔宝宝装饰新材股份有限公司 | Modified fast-growing poplar solid wood floor and modification method thereof |
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Application publication date: 20120502 |