CN108394000A - A kind of particieboard and its processing method of gluing-free - Google Patents
A kind of particieboard and its processing method of gluing-free Download PDFInfo
- Publication number
- CN108394000A CN108394000A CN201810485625.XA CN201810485625A CN108394000A CN 108394000 A CN108394000 A CN 108394000A CN 201810485625 A CN201810485625 A CN 201810485625A CN 108394000 A CN108394000 A CN 108394000A
- Authority
- CN
- China
- Prior art keywords
- particieboard
- gluing
- wood
- free
- sandwich layer
- 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
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
- B27N3/02—Manufacture of substantially flat articles, e.g. boards, from particles or fibres from particles
-
- 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
-
- 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
- B27N3/14—Distributing or orienting the particles or 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
- B27N3/08—Moulding or pressing
- B27N3/18—Auxiliary operations, e.g. preheating, humidifying, cutting-off
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
The present invention relates to a kind of particieboard of gluing-free and its processing methods, belong to Wood-based Panel Production technical field.Solution of traditional particieboard production technology to Lauxite, melmac, phenolic resin and isocyanates and their modified product dependence can be substituted completely the present invention provides a kind of, and the free formaldehyde in particieboard, isocyanates residue problem is made to be resolved.The present invention uses mixture one or more of in nitric acid, sulfuric acid, phosphoric acid for oxidant, and the mixture of one or more of lignin, tannin, tannin extract is crosslinking agent, by chemical bonds between wood shavings, realizes the production new technique of particieboard gluing-free.
Description
Technical field
The present invention relates to a kind of processing methods of particieboard, belong to Wood-based Panel Production technical field.
Background technology
Adhesive is Lauxite, melmac, phenolic resin used in the particieboard produced on the market at present
With isocyanates and their its modified product.Contain free formaldehyde and harmful substance in these adhesive, contact for a long time,
To human body generate toxic action, cause headache, dizzy, weak, sensory disturbance, immunity reduction, respiratory dysfunction and
Hepatogenotoxicity lesion and canceration etc..This item patented technology can realize that particieboard gluing-free, product asepsis environment-protecting meet future
Development trend can fill a hole in the market, meet consumer demand.
Invention content
Purpose of the present invention is to propose a kind of particieboard and its processing method of gluing-free, using wood particle as raw material, with
One or more of mixtures is oxidant in nitric acid, sulfuric acid, phosphoric acid, with the mixed of one or more of lignin, tannin, tannin extract
Conjunction object is crosslinking agent, makes particieboard.
The particieboard of gluing-free proposed by the present invention is made of surface layer, sandwich layer, and surface layer includes surface wood wood shavings, oxygen
Agent and crosslinking agent, sandwich layer include sandwich layer wood particle, oxidant and crosslinking agent, and the skin depth is 2 ~ 3mm, surface layer wood
A diameter of 2 ~ 4mm of matter wood shavings；The core layer thickness is 10 ~ 25mm, a diameter of 5 ~ 8mm of sandwich layer wood particle.
The processing method of the particieboard of the gluing-free of the present invention carries out according to the following steps：
（1）90 ~ 100 parts of surface wood wood shavings, 1 ~ 10 part of oxidant, 2 ~ 20 parts of crosslinking agent are mixed using mixing tank
It is even；
（2）90 ~ 100 parts of sandwich layer wood particle, 1 ~ 10 part of oxidant, 2 ~ 20 parts of crosslinking agent are mixed using mixing tank
It is even；
（3）By step（1）With（2）Obtained surface layer mixture and sandwich layer mixture is mated formation according to surface layer, sandwich layer and surface layer sequence
Assembly；
（4）By step（3）A kind of particieboard of gluing-free is made by hot press in obtained slab, 90 DEG C ~ 180 DEG C of temperature,
Pressure 2.0MPa ~ 3.5MPa, 1100 ~ 1800s of time.
The present invention the advantage is that compared with the existing technology：
The present invention provides one kind can substituting traditional particieboard production technology completely to Lauxite, melmac, phenol
The solution of urea formaldehyde and isocyanates and their modified product dependence makes free formaldehyde, isocyanide in particieboard
Acid esters residue problem is resolved；The traditional particieboard of chemical bonds replacement passes through glue-line physics knot between the present invention uses wood shavings
It closes, realizes the production new technique of particieboard gluing-free.
Description of the drawings
Fig. 1 is the structural schematic diagram of the particieboard of gluing-free proposed by the present invention.
In Fig. 1,1 is surface layer, and 2 be sandwich layer.
Specific implementation mode
The particieboard of gluing-free proposed by the present invention, structure as shown in Figure 1, the particieboard of the gluing-free by table
Layer, sandwich layer composition, surface layer includes surface wood wood shavings, oxidant and crosslinking agent, sandwich layer include sandwich layer wood particle, oxidant and
Crosslinking agent, the skin depth are 2 ~ 3mm, a diameter of 2 ~ 4mm of surface wood wood shavings；The core layer thickness be 10 ~
25mm, a diameter of 5 ~ 8mm of sandwich layer wood particle.
The processing method of the particieboard of gluing-free proposed by the present invention carries out according to the following steps：
（1）90 ~ 100 parts of surface wood wood shavings, 1 ~ 10 part of oxidant, 2 ~ 20 parts of crosslinking agent are mixed using mixing tank
It is even.
（2）It is using mixing tank that 90 ~ 100 parts of sandwich layer wood particle, 1 ~ 10 part of oxidant, 2 ~ 20 parts of crosslinking agent is mixed
It closes uniform.
（3）By step（1）With（2）Obtained surface layer mixture and sandwich layer mixture, according to surface layer, sandwich layer and surface layer sequence
Mat formation assembly.
（4）By step（3）A kind of particieboard of gluing-free, temperature 90 DEG C ~ 180 is made by hot press in obtained slab
DEG C, pressure 2.0MPa ~ 3.5MPa, 1100 ~ 1800s of time.
Embodiment 1：
The particieboard of the gluing-free of the present embodiment carries out according to the following steps：
（1）95 parts of surface wood wood shavings, 2 parts of nitric acid, 3 parts of tannin are uniformly mixed using mixing tank, obtain mixture；
（2）95 parts of sandwich layer layer wood particle, 2 parts of nitric acid, 3 parts of tannin are uniformly mixed using mixing tank, mixed
Object；
（3）By step（1）With（2）Obtained overlay mixture and sandwich layer mixture is mated formation according to surface layer, sandwich layer and surface layer sequence
Assembly；
（4）By step（3）The particieboard of gluing-free, 115 DEG C of temperature, pressure are made up of hot press for obtained slab
2.2MPa, time 1200s.
Embodiment 2：
The particieboard of the gluing-free of the present embodiment carries out according to the following steps：
（1）90 parts of surface wood wood shavings, 3 parts of nitric acid, 7 parts of tannin extract are uniformly mixed using mixing tank, obtain mixture；
（2）90 parts of sandwich layer wood particle, 3 parts of nitric acid, 7 parts of tannin extract are uniformly mixed using mixing tank, obtain mixture；
（3）By step（1）With（2）Obtained overlay mixture and sandwich layer mixture is mated formation according to surface layer, sandwich layer and surface layer sequence
Assembly；
（4）By step（3）Obtained slab is made up the particieboard of gluing-free of hot press, 95 DEG C, pressure 2.2MPa of temperature,
Time 1500s.
Embodiment 3：
The particieboard of the gluing-free of the present embodiment carries out according to the following steps：
（1）95 parts of surface wood wood shavings, 2 parts of nitric acid, 3 parts of tannin are uniformly mixed using mixing tank, obtain mixture；
（2）90 parts of sandwich layer wood particle, 3 parts of nitric acid, 7 parts of tannin extract are uniformly mixed using mixing tank, obtain mixture；
（3）By step（1）With（2）Obtained overlay mixture and sandwich layer mixture is mated formation according to surface layer, sandwich layer and surface layer sequence
Assembly；
（4）By step（3）The particieboard of gluing-free, 100 DEG C of temperature, pressure are made up of hot press for obtained slab
2.2MPa, time 1650s.
Claims (4)
1. a kind of particieboard of gluing-free, it is characterised in that the particieboard is made of surface layer, sandwich layer, and surface layer includes surface wood
Wood shavings, oxidant and crosslinking agent, sandwich layer include sandwich layer wood particle, oxidant and crosslinking agent, and the skin depth is 2 ~
3mm, a diameter of 2 ~ 4mm of surface wood wood shavings；The core layer thickness be 10 ~ 25mm, sandwich layer wood particle a diameter of 5 ~
8mm。
2. the particieboard of gluing-free according to claim 1, it is characterised in that：The oxidant be nitric acid, sulfuric acid,
One or more of mixture in phosphoric acid；The crosslinking agent is the mixture of one or more of lignin, tannin, tannin extract.
3. a kind of processing method of the particieboard of gluing-free according to claim 1, it is characterised in that processing method is pressed
Following steps carry out：
（1）90 ~ 100 parts of surface wood wood shavings, 1 ~ 10 part of oxidant, 2 ~ 20 parts of crosslinking agent are mixed using mixing tank
It is even；
（2）90 ~ 100 parts of sandwich layer wood particle, 1 ~ 10 part of oxidant, 2 ~ 20 parts of crosslinking agent are mixed using mixing tank
It is even；
（3）By step（1）With（2）Obtained surface layer mixture and sandwich layer mixture is mated formation according to surface layer, sandwich layer and surface layer sequence
Assembly；
（4）By step（3）A kind of particieboard of gluing-free is made by hot press in obtained slab, 90 DEG C ~ 180 DEG C of temperature,
Pressure 2.0MPa ~ 3.5MPa, 1100 ~ 1800s of time.
4. the processing method for requiring a kind of particieboard of gluing-free according to right 3, it is characterised in that：Step（1）Institute
The oxidant stated is nitric acid, sulfuric acid, mixture one or more of in phosphoric acid；The crosslinking agent is in lignin, tannin, tannin extract
One or more of mixtures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810485625.XA CN108394000A (en) | 2018-05-21 | 2018-05-21 | A kind of particieboard and its processing method of gluing-free |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810485625.XA CN108394000A (en) | 2018-05-21 | 2018-05-21 | A kind of particieboard and its processing method of gluing-free |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108394000A true CN108394000A (en) | 2018-08-14 |
Family
ID=63102491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810485625.XA Pending CN108394000A (en) | 2018-05-21 | 2018-05-21 | A kind of particieboard and its processing method of gluing-free |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108394000A (en) |
-
2018
- 2018-05-21 CN CN201810485625.XA patent/CN108394000A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103144178B (en) | Production method of aldehyde-free bamboo floor | |
| CN104388043B (en) | Preparation method of soybean-protein-adhesive-based medium-density fiberboard | |
| CN103878858A (en) | Method for manufacturing formaldehyde-free bamboo and wood fiberboard | |
| Gao et al. | BINDERLESS PANELS MADE WITH BLACK SPRUCE BARK. | |
| CN105216089B (en) | The method and thicker particieboard of thicker particieboard are prepared using waste and old outdoor use heat-treated wood and conventional wood | |
| RU2015116814A (en) | METHODS FOR PRODUCING COMPOSITE MATERIALS CONTAINING LIGNO CELLULOSE | |
| US8608898B2 (en) | Multilaminar wood veneer block, multilaminar wood veneers and method for the manufacture thereof | |
| CN107325766A (en) | The production technology of the low high moisture resistant chipboard adhesive of aldehyde and its application | |
| CN108394000A (en) | A kind of particieboard and its processing method of gluing-free | |
| CN103640319A (en) | Making method for carbon fiber composite board preform | |
| CN105567142B (en) | A kind of high performance environment friendly urea-formaldehyde resin adhesive and preparation method thereof | |
| CN101367218A (en) | Method for manufacturing composite board for bottom board of container | |
| CN105619544A (en) | Manufacturing method of solid wood composite reinforcing board | |
| CN109732736B (en) | Composite preparation process of stable non-permeable wood and wood-plastic product | |
| JPH0716964A (en) | Laminated material and its manufacture | |
| CN104999537A (en) | Manufacturing method of advanced wooden biological compound material | |
| DE102012025177A1 (en) | Glued solid timber comprises glue which contains urea-aldehyde resin or phenol formaldehyde resin, in which resin is nanocrystalline cellulose and glue is mixed with curing agent and is treated with ultrasonic frequency | |
| CN106994722A (en) | A kind of environmental protection composite board processing technology | |
| JP2014151599A (en) | Woody board | |
| CN105014754A (en) | Method for preparing high-strength artificial-formaldehyde-emission-free plywood | |
| JP2007130860A (en) | Woody composite board and its production method | |
| CN102335945A (en) | Compound fiber board and manufacturing method thereof | |
| CN107030844B (en) | The method of pressure sintering preparation and reorganization bamboo board | |
| CN206393769U (en) | A kind of anion ecological plate | |
| CN105291241A (en) | High-strength environment-friendly shaving board |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180814 |