CN105563603B - The preparation method of full poplar high density floor base material - Google Patents
The preparation method of full poplar high density floor base material Download PDFInfo
- Publication number
- CN105563603B CN105563603B CN201510951652.8A CN201510951652A CN105563603B CN 105563603 B CN105563603 B CN 105563603B CN 201510951652 A CN201510951652 A CN 201510951652A CN 105563603 B CN105563603 B CN 105563603B
- Authority
- CN
- China
- Prior art keywords
- urea
- weight
- parts
- fiber
- value
- 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.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/08—Moulding or pressing
- B27N3/10—Moulding of mats
- B27N3/12—Moulding of mats from fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/002—Manufacture of substantially flat articles, e.g. boards, from particles or fibres characterised by the type of binder
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/08—Moulding or pressing
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G12/00—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C08G12/02—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes
- C08G12/26—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds
- C08G12/34—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds and acyclic or carbocyclic compounds
- C08G12/36—Ureas; Thioureas
- C08G12/38—Ureas; Thioureas and melamines
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The present invention discloses a kind of preparation method of full poplar high density floor base material, chipping including cotton wood, wood chip screening, wood chip pre-cooked, chip steaming, defibrator process, applying glue, fiber drying, fiber sorting, fiber are mated formation, hot pressing process, steam pressure in the chip steaming process is 0.65 0.68Mpa, digestion time 0.8 1.5 minutes；The pressure of the defibrator process mill room is 0.63 0.64Mpa, and E0 grade urea-formaldehyde resin adhesives are used in the applying glue process；The full poplar high density floor base material that the present invention prepares has the advantages of intensity is high, and water resistance and humidity resistance are good, burst size of methanal is low, safety and environmental protection.
Description
Technical field
The present invention relates to wood-based plate field, is especially a kind of preparation method of full poplar high density floor base material.
Background technology
It is main in high density floor base material production method include chipping, wood chip screening, wood chip pre-cooked, chip steaming, heat
Mill, applying glue, fiber drying, fiber sorting, fiber are mated formation, the master operation such as hot pressing process.Wherein it is glued the glue used in process
It is the key for influenceing high density floor substrate mass.It is existing that the production of traditional urea-formaldehyde resin adhesive is combined to high-density using poplar
Plate base material, the shortcomings that insufficient strength, water resistance and humidity resistance difference be present.
The content of the invention
The technical problems to be solved by the invention are the shortcomings that overcoming above prior art：It is high to provide a kind of intensity, it is water-fast
The preparation method of property and humidity resistance is good, burst size of methanal is low full poplar high density floor base material.
The technical solution of the present invention is as follows：A kind of preparation method of full poplar high density floor base material, including poplar
The chipping of timber, wood chip screening, wood chip pre-cooked, chip steaming, defibrator process, applying glue, fiber drying, fiber sorting, fiber mat formation,
Hot pressing process, the steam pressure in the chip steaming process are 0.65-0.68Mpa, digestion time 0.8-1.5 minutes；It is described
The pressure of defibrator process mill room is 0.63-0.64Mpa, and E0 grade urea-formaldehyde resin adhesives are used in the applying glue process, and resin added is that over dry is fine
The 12-17.5% of quality is tieed up, the applied amount of paraffin accounts for bone dry fiber quality 0.5-0.8%, and the addition of curing agent is fine for over dry
Tie up the 1-1.5% of quality；Dried fiber moisture 8.5-9.5%；The hot pressing temperature of the hot pressing process is 175-235
DEG C, the hot pressing factor is 7-10s/mm, and density domination is in 820-880g/cm3。
The curing agent is the ammonium chloride solution that mass percent concentration is 20%.
The preparation method of the E0 grade urea-formaldehyde resin adhesives is：
1）The formalin 50-55 parts by weight that mass fraction is 36.5-37.2% are put into reactor；Being adjusted to pH value is
5.8-6.3；
2）First urea 6-10 parts by weight are added, are warming up to 70-72 DEG C, are incubated 20-25 minutes, then be warming up to 87-90
℃；
3）PH value is adjusted to 7.2-7.5, second batch urea 12-15 parts by weight and melamine 2-5 parts by weight is added, adds
During ensure reactor temperature at 85-88 DEG C；
4）At 85-88 DEG C, adjustment pH value to 5.8-6.0, a polycondensation reaction is carried out, -4 glasss of detections are viscous when being applied at 25 DEG C
When degree reaches the 15-17 seconds, 78-80 DEG C is cooled to；
5）Secondary polycondensation reaction is carried out at 78-80 DEG C, when -4 glasss of detection viscosity of painting reach the 25-30 seconds at 25 DEG C, is adjusted
PH value is 7.5-8.0, and cools to 68-70 DEG C；
6）The 3rd batch of urea 13-16 parts by weight are added, 55-58 DEG C is cooled to and is incubated 20-25 minutes；
7）The 4th batch of urea 8-10 parts by weight are added, cool to 40-45 DEG C, adjustment pH value is 8.0-8.6, cools to 35 DEG C
Following blowing.
The beneficial effects of the invention are as follows：The full poplar high density floor base material that the present invention prepares has intensity height, water-fast
The advantages of property and humidity resistance are good, burst size of methanal is low, safety and environmental protection.
Embodiment
The present invention is described in further details with specific embodiment below, but the present invention is not only limited in detail below in fact
Apply example.
Embodiment one
A kind of preparation method of full poplar high density floor base material, complete process are that cotton wood is chipped-wood chip screening-wood
Piece pre-cooked-chip steaming-defibrator process-applying glue-fiber drying-fiber sorting-fiber mats formation-and slab weighs-slab precompressed-heat
Pressure-plain plate cuts-plain plate cooling-stacking health-sanding production board cutting edge-production board sorting-production board packing：The wood chip steams
Steam pressure in boiling procedure is 0.65-0.68Mpa, digestion time 0.8-1.5 minutes；The pressure of defibrator process mill room is
0.63-0.64Mpa, described be glued in process use E0 grade urea-formaldehyde resin adhesives, and resin added is the 12- of bone dry fiber quality
17.5%, the applied amount of paraffin accounts for bone dry fiber quality 0.5-0.8%, and the addition of curing agent is the 1- of bone dry fiber quality
1.5%；Dried fiber moisture 8.5-9.5%；The hot pressing temperature of the hot pressing process is 175-235 DEG C, the hot pressing factor
For 7-10s/mm, density domination is in 820-880g/cm3。
The curing agent is the ammonium chloride solution that mass percent concentration is 20%.
The preparation method of the E0 grade urea-formaldehyde resin adhesives：The parts by weight that each stage adds each raw material are as follows：
Mass fraction is 36.5-37.2% formalin 50-55 parts by weight；
Melamine 2-5 parts by weight；
First urea 6-10 parts by weight；
Second batch urea 12-15 parts by weight；
3rd batch of urea 13-16 parts by weight；
4th batch of urea 8-10 parts by weight；
Prepare as follows：
1）The formalin that mass fraction is 36.5-37.2% is put into reactor；It is 5.8-6.3 to be adjusted to pH value；
2）First urea is added, is warming up to 70-72 DEG C, is incubated 20-25 minutes, then be warming up to 87-90 DEG C；
3）PH value is adjusted to 7.2-7.5, second batch urea and melamine is added, ensures temperature in reactor in adition process
Degree is at 85-88 DEG C；
4）At 85-88 DEG C, adjustment pH value to 5.8-6.0, a polycondensation reaction is carried out, -4 glasss of detections are viscous when being applied at 25 DEG C
When degree reaches the 15-17 seconds, 78-80 DEG C is cooled to；
5）Secondary polycondensation reaction is carried out at 78-80 DEG C, when -4 glasss of detection viscosity of painting reach the 25-30 seconds at 25 DEG C, is adjusted
PH value is 7.5-8.0, and cools to 68-70 DEG C；
6）The 3rd batch of urea is added, 55-58 DEG C is cooled to and is incubated 20-25 minutes；
7）The 4th batch of urea is added, cools to 40-45 DEG C, adjustment pH value is 8.0-8.6, cools to less than 35 DEG C blowings.
Embodiment two
A kind of preparation method of full poplar high density floor base material, including the chipping of cotton wood, wood chip screening, wood chip are pre-
Boiling, chip steaming, defibrator process, applying glue, fiber drying, fiber sorting, fiber mat formation, hot pressing process.By long 8-30mm, wide 8-
Progress pre-cooked in pre-cooked storehouse is transported to after 30mm, thick 2-8mm poplar chip washing, then delivers to boiling in boiling cylinder, is steamed
It is 0.65-0.68Mpa to boil the steam pressure in cylinder, digestion time 0.8-1.5 minutes；The pressure for grinding room is 0.63-0.64Mpa,
E0 grade urea-formaldehyde resin adhesives are used in process is glued, resin added is the 12-17.5% of bone dry fiber quality, and the applied amount of paraffin accounts for
Bone dry fiber quality 0.5-0.8%, the addition of curing agent are the 1-1.5% of bone dry fiber quality；Dried fiber is aqueous
Rate 8.5-9.5%；175-235 DEG C of hot pressing temperature, hot pressing, slab density are carried out under hot pressing factor 7-10s/mm hot pressing condition
Control is in 820-880g/cm3。
The curing agent is the ammonium chloride solution that mass percent concentration is 20%.
The preparation method of the E0 grade urea-formaldehyde resin adhesives is：
1）The formalin 50-55 parts by weight that mass fraction is 36.5-37.2% are put into reactor；Being adjusted to pH value is
5.8-6.3；
2）First urea 6-10 parts by weight are added, are warming up to 70-72 DEG C, are incubated 20-25 minutes, then be warming up to 87-90
℃；
3）PH value is adjusted to 7.2-7.5, second batch urea 12-15 parts by weight and melamine 2-5 parts by weight is added, adds
During ensure reactor temperature at 85-88 DEG C；
4）At 85-88 DEG C, adjustment pH value to 5.8-6.0, a polycondensation reaction is carried out, -4 glasss of detections are viscous when being applied at 25 DEG C
When degree reaches the 15-17 seconds, 78-80 DEG C is cooled to；
5）Secondary polycondensation reaction is carried out at 78-80 DEG C, when -4 glasss of detection viscosity of painting reach the 25-30 seconds at 25 DEG C, is adjusted
PH value is 7.5-8.0, and cools to 68-70 DEG C；
6）The 3rd batch of urea 13-16 parts by weight are added, 55-58 DEG C is cooled to and is incubated 20-25 minutes；
7）The 4th batch of urea 8-10 parts by weight are added, cool to 40-45 DEG C, adjustment pH value is 8.0-8.6, cools to 35 DEG C
Following blowing.
Embodiment three
A kind of preparation method of full poplar high density floor base material, including the chipping of cotton wood, wood chip screening, wood chip are pre-
Boiling, chip steaming, defibrator process, applying glue, fiber drying, fiber sorting, fiber mat formation, hot pressing process.It is thick by long 15mm, wide 8mm
Progress pre-cooked in pre-cooked storehouse is transported to after 2mm poplar chip washing, then delivers to boiling in boiling cylinder, in boiling cylinder
Steam pressure is 0.68Mpa, digestion time 1.5 minutes；The pressure for grinding room is 0.64Mpa, and E0 level ureas are used in process is glued
Urea formaldehyde glue, resin added are the 12% of bone dry fiber quality, and the applied amount of paraffin accounts for bone dry fiber quality 0.8%, curing agent
Addition is the 1.5% of bone dry fiber quality；Dried fiber moisture 8.5%；175 DEG C of hot pressing temperature, hot pressing factor 8s/
Hot pressing is carried out under mm hot pressing condition, slab density domination is in 880g/cm3。
The curing agent is the ammonium chloride solution that mass percent concentration is 20%.
The preparation method of the E0 grade urea-formaldehyde resin adhesives is：
1）The parts by weight of formalin 52 that mass fraction is 36.5% are put into reactor；PH value is adjusted to as 6.3；
2）First parts by weight of urea 8 is added, is heated up 72 DEG C, is incubated 25 minutes, then be warming up to 90 DEG C；
3）PH value is adjusted to 7.5, the parts by weight of second batch urea 13 and the parts by weight of melamine 3 is added, is protected in adition process
Reactor temperature is demonstrate,proved at 88 DEG C；
4）At 88 DEG C, adjustment pH value to 6.0, a polycondensation reaction is carried out, reached when applying -4 glasss of detection viscosity at 25 DEG C
At 17 seconds, 80 DEG C are cooled to；
5）Secondary polycondensation reaction is carried out at 80 DEG C, when -4 glasss of detection viscosity of painting reach 30 seconds at 25 DEG C, tune pH value is
8.0, and cool to 70 DEG C；
6）The 3rd batch of parts by weight of urea 15 are added, 55 DEG C is cooled to and is incubated 25 minutes；
7）The 4th batch of parts by weight of urea 9 are added, cool to 45 DEG C, adjustment pH value is 8.6, cools to 25 DEG C of blowings.
Measure 24 hours thickness swelling rate≤6% of the full poplar high density floor base material of the present embodiment, modulus of elasticity >=
4000Mpa, MOR >=40Mpa, burst size of methanal≤5mg/100g.
It the above is only the feature implementation example of the present invention, the scope of the present invention be not limited in any way.It is all to use together
The technical scheme formed Deng exchange or equivalence replacement, all falls within rights protection scope of the present invention.
Claims (1)
1. a kind of preparation method of full poplar high density floor base material, including the chipping of cotton wood, wood chip screening, wood chip are steamed in advance
Boil, chip steaming, defibrator process, applying glue, fiber drying, fiber sorting, fiber mat formation, hot pressing process, it is characterised in that：The wood chip
Steam pressure in cooking process is 0.65-0.68Mpa, digestion time 0.8-1.5 minutes；The pressure of defibrator process mill room is
0.63-0.64Mpa, described be glued in process use E0 grade urea-formaldehyde resin adhesives, and resin added is the 12- of bone dry fiber quality
17.5%, the applied amount of paraffin accounts for bone dry fiber quality 0.5-0.8%, and the addition of curing agent is the 1- of bone dry fiber quality
1.5%；Dried fiber moisture 8.5-9.5%；The hot pressing temperature of the hot pressing process is 175-235 DEG C, the hot pressing factor
For 7-10s/mm, density domination is in 820-880g/cm3；
The curing agent is the ammonium chloride solution that mass percent concentration is 20%；
The preparation method of the E0 grade urea-formaldehyde resin adhesives is：
1) the formalin 50-55 parts by weight that mass fraction is 36.5-37.2% are put into reactor；It is 5.8- to be adjusted to pH value
6.3；
2) first urea 6-10 parts by weight are added, are warming up to 70-72 DEG C, are incubated 20-25 minutes, then be warming up to 87-90 DEG C；
3) pH value is adjusted to 7.2-7.5, adds second batch urea 12-15 parts by weight and melamine 2-5 parts by weight, adition process
Middle guarantee reactor temperature is at 85-88 DEG C；
4) at 85-88 DEG C, adjustment pH value to 5.8-6.0, a polycondensation reaction is carried out, is reached when applying -4 glasss of detection viscosity at 25 DEG C
During to the 15-17 seconds, 78-80 DEG C is cooled to；
5) secondary polycondensation reaction is carried out at 78-80 DEG C, when -4 glasss of detection viscosity of painting reach the 25-30 seconds at 25 DEG C, adjusts pH value
For 7.5-8.0, and cool to 68-70 DEG C；
6) the 3rd batch of urea 13-16 parts by weight are added, 55-58 DEG C is cooled to and is incubated 20-25 minutes；
7) the 4th batch of urea 8-10 parts by weight are added, cool to 40-45 DEG C, adjustment pH value is 8.0-8.6, cools to less than 35 DEG C
Blowing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510951652.8A CN105563603B (en) | 2015-12-20 | 2015-12-20 | The preparation method of full poplar high density floor base material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510951652.8A CN105563603B (en) | 2015-12-20 | 2015-12-20 | The preparation method of full poplar high density floor base material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105563603A CN105563603A (en) | 2016-05-11 |
| CN105563603B true CN105563603B (en) | 2017-12-15 |
Family
ID=55874508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510951652.8A Active CN105563603B (en) | 2015-12-20 | 2015-12-20 | The preparation method of full poplar high density floor base material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105563603B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106903773A (en) * | 2017-03-31 | 2017-06-30 | 大亚人造板集团有限公司 | The manufacturing process and base material of a kind of ground-heating floor substrate |
| CN112659312B (en) * | 2020-12-18 | 2022-06-28 | 辽宁蓝亿实业有限公司 | Preparation method of special environment-friendly board for PET (polyethylene terephthalate) veneering |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101550323A (en) * | 2009-04-28 | 2009-10-07 | 南京工业大学 | Preparation method of low-cost UMF resin adhesive used for E0-level plywood |
| CN102407553A (en) * | 2010-09-21 | 2012-04-11 | 大亚科技股份有限公司 | Manufacturing method of high density fiberboard for whitened type E1 grade floor substrate |
| CN102604573A (en) * | 2012-01-12 | 2012-07-25 | 北华大学 | E0-grade melamine modified urea-formaldehyde resin adhesive, and preparation method and application thereof |
| CN103085147A (en) * | 2011-11-02 | 2013-05-08 | 大亚科技股份有限公司 | Production method of medium- and high-density fiberboard ultralow in formaldehyde emission |
| CN103128826A (en) * | 2011-11-24 | 2013-06-05 | 大亚科技股份有限公司 | Manufacturing technique of highlight floor base material |
| CN103496025A (en) * | 2013-09-26 | 2014-01-08 | 广西三威林产工业有限公司 | Method for manufacturing ultra-low formaldehyde emission medium-to-high density fiberboard |
| CN103737696A (en) * | 2013-12-18 | 2014-04-23 | 山东贺友集团有限公司 | Fiberboard production process for elecampane non-formaldehyde floor base material |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6548625B2 (en) * | 2001-03-23 | 2003-04-15 | Cytec Technology Corp. | Stable liquid melamine urea formaldehyde resins, hardeners, adhesive compositions, and methods for making same |
-
2015
- 2015-12-20 CN CN201510951652.8A patent/CN105563603B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101550323A (en) * | 2009-04-28 | 2009-10-07 | 南京工业大学 | Preparation method of low-cost UMF resin adhesive used for E0-level plywood |
| CN102407553A (en) * | 2010-09-21 | 2012-04-11 | 大亚科技股份有限公司 | Manufacturing method of high density fiberboard for whitened type E1 grade floor substrate |
| CN103085147A (en) * | 2011-11-02 | 2013-05-08 | 大亚科技股份有限公司 | Production method of medium- and high-density fiberboard ultralow in formaldehyde emission |
| CN103128826A (en) * | 2011-11-24 | 2013-06-05 | 大亚科技股份有限公司 | Manufacturing technique of highlight floor base material |
| CN102604573A (en) * | 2012-01-12 | 2012-07-25 | 北华大学 | E0-grade melamine modified urea-formaldehyde resin adhesive, and preparation method and application thereof |
| CN103496025A (en) * | 2013-09-26 | 2014-01-08 | 广西三威林产工业有限公司 | Method for manufacturing ultra-low formaldehyde emission medium-to-high density fiberboard |
| CN103737696A (en) * | 2013-12-18 | 2014-04-23 | 山东贺友集团有限公司 | Fiberboard production process for elecampane non-formaldehyde floor base material |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105563603A (en) | 2016-05-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102554981B (en) | Method for manufacturing flame-retardant core-board | |
| CN110877393B (en) | Aldehyde-free adhesive and production process thereof applied to aldehyde-free floor base material | |
| CN105969274B (en) | A kind of preparation method of carbonization glued board glue special and the glued board that is carbonized | |
| CN103878859A (en) | Method for preparing highly-damp-proof thin type medium density fiberboard | |
| CN105082270B (en) | Bionic log processing method | |
| CN104210009B (en) | A kind of method controlling fiberboard Vertical density gradient | |
| CN106049150A (en) | Manufacturing method of fiber board | |
| CN105563603B (en) | The preparation method of full poplar high density floor base material | |
| CN105666611B (en) | A kind of preparation method and application method of fibreboard surface inorganic agent | |
| CN103072173B (en) | A kind of Cajeput fiberboard and preparation method thereof | |
| CN105082302A (en) | Manufacturing method of high-strength chipboard | |
| JP2022078041A (en) | Method for manufacturing wet adhesive wood article | |
| CN104476650A (en) | Bamboo flooring base material manufacturing technology | |
| CN105459222B (en) | A kind of fire-proof plywood or laminated veneer lumber and its manufacture method | |
| CN101307240A (en) | Decatizing and charring process of cotton wood | |
| CN108995012A (en) | A kind of preparation method of flame-retardant smoke inhibition bamboo and wood composite laminted wood | |
| CN105666632B (en) | A kind of manufacture method of antitheft door door-plate environment friendly corrosion protection medium density fibre board (MDF) | |
| CN106926325A (en) | A kind of apparatus and method of the pre- thermal acceleration thermosetting resin solidification of steam penetration | |
| CN104513641A (en) | Preparation method of low formaldehyde emission adhesive | |
| CN106113194A (en) | A kind of preparation method of antiseptic fire-retardation bamboo slab rubber | |
| CN105965616A (en) | Method for manufacturing single substrate composite sheet material | |
| CN107471370B (en) | Low VOC flame retardant fibre plate and preparation method thereof | |
| CN107839051A (en) | A kind of method of high density fiberboard for producing the release of zero aldehyde and impregnated paper laminated wood floor and its production method containing the fiberboard | |
| CN106808547B (en) | A kind of high-carbon anti-corrosion bamboo flooring and its production method | |
| CN101973051A (en) | Production method of poplar laminated veneer lumber composite decorative plate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 343100 Ji'an City, Jiangxi Province Economic and Technological Development Zone Jinggangshan Ji Tai Road No. 29 Applicant after: Jiangxi Oasis Environmental Protection new material Limited by Share Ltd Address before: 343100 Ji'an City, Jiangxi Province Economic and Technological Development Zone Jinggangshan Ji Tai Road No. 29 Applicant before: Jiangxi Lvzhou Artificial Board Co., Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 343100 No. 29 Jitai Road, Jinggangshan Economic and Technological Development Zone, Ji'an County, Ji'an City, Jiangxi Province Patentee after: Jiangxi Oasis Environmental Protection New Materials Co., Ltd. Address before: 343100 No. 29 Jitai Road, Jinggangshan Economic and Technological Development Zone, Ji'an City, Jiangxi Province Patentee before: Jiangxi Oasis Environmental Protection new material Limited by Share Ltd |