CN202378130U - Anti-twist high-strength plywood - Google Patents
Anti-twist high-strength plywood Download PDFInfo
- Publication number
- CN202378130U CN202378130U CN2011205608369U CN201120560836U CN202378130U CN 202378130 U CN202378130 U CN 202378130U CN 2011205608369 U CN2011205608369 U CN 2011205608369U CN 201120560836 U CN201120560836 U CN 201120560836U CN 202378130 U CN202378130 U CN 202378130U
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- plywood
- strength
- veneer
- twist
- bonding strength
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- Veneer Processing And Manufacture Of Plywood (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
The utility model discloses a kind of anti-twist high-strength plywood and belongs to the field of plywood. The plywood comprises multiple layers of veneers, the textures of two adjacent veneers are perpendicular to each other, a bonding layer is arranged between two adjacent veneers, and the bonding layer is a zero-formaldehyde hot melting film. The anti-twist high-strength plywood disclosed by the utility model has the beneficial effects that the plywood is high in bonding strength, and passes the bonding strength test on the class-I man-made board/WBP-level and class-I man-made board; because the plywood does not contain formaldehyde, the plywood is high in environmental friendliness and bonding strength; no gumming machine is required to be used, and the traditional gumming process is completely changed; the pollution caused by cleaning a gumming machine is avoided; the production process is simple, and manpower can be saved; and the defect that the active period of traditional liquid glue is short is overcome.
Description
Technical field
The utility model relates to a kind of glued board, specifically is a kind of anti-twist high strength glued board.
Background technology
Glued board is to be peeled into veneer or to be become veneer by the flitch slicing by juggle, sticks with glue three layers or the board-like material of multilayer that the agent gummed forms again, uses the odd-level veneer usually, and the orthogonal gummed of machine direction of adjacent layer veneer is formed.Traditional glued board has a plurality of different kinds such as three-ply board, five-ply board, multi-layer sheet usually.Be generally used for uses such as building and packing case.Glued board can improve timber utilization rate, is a main path practicing thrift timber.
The production method of traditional glued board is that one group of veneer is formed by the orthogonal assembly gummed of adjacent layer grain direction, and its dash board and inner plating are configured in the both sides of central core or plate core symmetrically usually.With being coated with the veneer that contains behind the liquid glue of formaldehyde, under heating or the condition that do not heat, form through compacting by the crisscross slab that is made into of grain direction.The technological process of conventional veneer boards is:
Menu plate → oven dry → beat slope → gluing → combination (veneer, offset plate) → precompressed → hot pressing (110 ℃, 0.7Mpa) → beat putty → fixed thick sanding → saw limit → be coated with masking agent → cold pressing → hot pressing → saw limit.
Its shortcoming is that the sheet material content of formaldehyde is high, and torsional resistance is poor.
Summary of the invention
For overcoming the above-mentioned deficiency of prior art, the utility model provides a kind of anti-twist high strength glued board.
The utility model is realized with following technical scheme: a kind of anti-twist high strength glued board, and it comprises the veneer that multilayer is superimposed, the texture of adjacent veneer is vertical each other, is zero formaldehyde hot melt film adhesive layer between adjacent veneer.
Above-mentioned anti-twist high strength glued board is with the powerful glued membrane of ply (veneer) and zero formaldehyde close adhesion and form nontoxic and possess the artificial board of high bonding strength under certain pressure.The powerful glued membrane of used zero formaldehyde is multiple nontoxic industrial chemicals mixing preparation, and the solid-state glued membrane of the film like of processing combines with timber under certain pressure, form to have multi-layer solid wood composite board high bonding strength, fully zero formaldehyde,
The beneficial effect of the utility model is:
(1) sheet material of production process and production does not contain formaldehyde, the height environmental protection, and bonding strength is high.
(2) need not to use glue spreader, thoroughly change traditional coating technique.
(3) exempt the pollution that the cleaning glue spreader brings.
(4) production technology is simple, can save manpower.
(5) overcome the active short shortcoming of phase of conventional liquid glue.
Description of drawings
Accompanying drawing is the structural representation of the utility model.
Among the figure: 1, veneer, 2, adhesive layer.
The specific embodiment
Like a kind of anti-twist high strength glued board shown in the drawings is five-ply board, comprises five layers of veneer that is superimposed 1, and the texture of adjacent veneer is vertical each other, is adhesive layer 2 between adjacent veneer, and described adhesive layer is zero formaldehyde hot melt film.
Anti-twist high strength plywood production flow process:
Select masking agent → (0.67Mpa) → veneer → hot pressing of colding pressing → saw limit, central layer → oven dry moisture content below 12% → beat slope (Da Po at two is convenient to splicing and is strengthened stereovision) → combination (central layer, hot melt film) → precompressed (0.67Mpa) → hot pressing (280 ℃, 2Mpa) → cooling (cold water circulation) → beat putty → decide thick sanding → saw limit → be coated with.
The glued board that makes of method thus, through detecting:
(1) bonding strength is high, can detect through the bonding strength of I class wood-based plate/WBP level and I class wood-based plate.
(2) finished product does not have hollow phenomenon.
(3) finished product moisture content≤10% meets export requirement.
(4) smooth, the no warpage of finished product.
Claims (1)
1. anti-twist high strength glued board, it comprises the veneer (1) that multilayer is superimposed, and it is characterized in that the texture of adjacent veneer is vertical each other, is zero formaldehyde hot melt film adhesive layer (2) between adjacent veneer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205608369U CN202378130U (en) | 2011-12-24 | 2011-12-24 | Anti-twist high-strength plywood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205608369U CN202378130U (en) | 2011-12-24 | 2011-12-24 | Anti-twist high-strength plywood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202378130U true CN202378130U (en) | 2012-08-15 |
Family
ID=46626651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205608369U Expired - Fee Related CN202378130U (en) | 2011-12-24 | 2011-12-24 | Anti-twist high-strength plywood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202378130U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102514053A (en) * | 2011-12-24 | 2012-06-27 | 徐州安联木业有限公司 | Plywood with twist resistance and high strength and manufacturing method thereof |
-
2011
- 2011-12-24 CN CN2011205608369U patent/CN202378130U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102514053A (en) * | 2011-12-24 | 2012-06-27 | 徐州安联木业有限公司 | Plywood with twist resistance and high strength and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120815 Termination date: 20171224 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |