CN104325536B - A kind of pre-paint finish oriented wood chipboard and preparation method thereof - Google Patents
A kind of pre-paint finish oriented wood chipboard and preparation method thereof Download PDFInfo
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- CN104325536B CN104325536B CN201410595164.3A CN201410595164A CN104325536B CN 104325536 B CN104325536 B CN 104325536B CN 201410595164 A CN201410595164 A CN 201410595164A CN 104325536 B CN104325536 B CN 104325536B
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Abstract
The invention belongs to decorative materials technology, particularly relate to a kind of pre-paint finish oriented wood chipboard and preparation method thereof, pre-paint finish oriented wood chipboard has sandwich, including OSB plate blank layer 1, upper overlaid veneer layer 21, lower overlaid veneer layer 22 and pre-skin of paint 3；Described OSB plate blank layer 1 is between upper overlaid veneer layer 21, lower overlaid veneer layer 22, and is connected by adhesive with upper overlaid veneer layer 21, lower overlaid veneer layer 22 respectively；Described upper overlaid veneer layer 21, lower overlaid veneer layer 22 outer surface be coated with pre-skin of paint 3, the present invention has that hygroscopic capacity is little, the advantage of top layer not easy damaged.
Description
Technical field
The invention belongs to decorative materials technology, particularly relate to a kind of pre-paint finish oriented wood chipboard and preparation method thereof.
Background technology
Oriented wood chipboard is when wood shavings mat formation molding, and glue mixing wood shavings are pressed its machine direction longitudinal arrangement by upper and lower two top layers, and sandwich layer wood shavings are transversely arranged, forms three-decker plate embryo, and then oriented wood chipboard is made in hot pressing.
CN201220067678.8, publication date is JIUYUE in 2012 19, the present invention includes layer wood shavings layer, sandwich layer wood shavings layer and upper epidermis wood shavings layer, it is provided with flame-retardant layer between layer wood shavings layer and sandwich layer wood shavings layer and between upper epidermis wood shavings layer and sandwich layer wood shavings layer, flame-retardant layer is vermiculite layers, by vermiculite layers, particieboard isolation is reached fire-retardant effect, but particieboard hygroscopic capacity layer big, upper wood shavings layer easy damaged.
Summary of the invention
In order to overcome the deficiencies in the prior art, the present invention provides hygroscopic capacity pre-paint finish oriented wood chipboard of one little, top layer not easy damaged and preparation method thereof.
An object of the present invention is to provide a kind of pre-paint finish oriented wood chipboard, techniques below scheme realize:
Pre-paint finish oriented wood chipboard, has sandwich, including OSB plate blank layer, upper overlaid veneer layer, lower overlaid veneer layer and pre-skin of paint；
Described OSB plate blank layer is between upper overlaid veneer layer, lower overlaid veneer layer, and is connected by adhesive with upper overlaid veneer layer, lower overlaid veneer layer respectively；
Described upper overlaid veneer layer, lower overlaid veneer layer outer surface be coated with pre-skin of paint.
Preferably, described pre-skin of paint contains polyurethane.
Preferably, described OSB plate blank layer, upper overlaid veneer layer, lower overlaid veneer layer respectively fire-retardant OSB plate blank layer, fire-retardant upper overlaid veneer layer and fire-retardant lower overlaid veneer layer.
The preparation method that another goal of the invention of the present invention is to provide a kind of pre-paint finish oriented wood chipboard, comprises the following steps:
1) dipping: OSB plate and overlaid veneer are impregnated in flame retardant solution；
2) dry: the slab after dipping and overlaid veneer are dried, keep mat moisture content below 16%, obtain fire-retardant OSB plate blank layer and fire-retardant overlaid veneer layer；
3) hot pressing: fire-retardant OSB plate blank layer be clipped between two pieces of fire-retardant overlaid veneer layers, pastes with binding agent while surface heat pressure, then sanding；
4) roller coating is painted in advance: with the paint roller coating overlaid veneer outer surface containing polyurethane；
5) sanding, cutting edge.
Preferably, the fire retardant of described flame retardant solution is composite nitrogen phosphorus flame retardant or composite metal hydroxide combustion inhibitor.
It is further preferred that described composite nitrogen phosphorus flame retardant is APP, ammonium phosphate, ammonium sulfate is configured to mass concentration 25%～35% aqueous solution according to mass ratio 1～3:1～3:1.
More it is further preferred that the degree of polymerization of described APP is 6～7.
Or more preferably, described composite metal hydroxide combustion inhibitor is nanometric magnesium hydroxide and the mixture of nanoscale aluminium hydroxide, mass ratio 0.5:1～the 1.5:1 of described composite nanometric magnesium hydroxide and nanoscale aluminium hydroxide, addition is the 1～3% of flame retardant solution quality.
Preferably, impregnation steps in described step 1) particularly as follows: be first-0.1～-0.05Mpa by OSB plate or overlaid veneer in vacuum, dwell time 20～30min；Repressurization, pressure 0.3～0.6Mpa, dwell time 5～15min；Last is-0.02～-0.05Mpa in vacuum, dwell time 10～20min.
Preferably, described paint with the addition of nanometric magnesium hydroxide and nanoscale aluminium hydroxide.
The Advantageous Effects of the present invention:
1, pre-paint finish oriented wood chipboard provided by the present invention is sandwich, including OSB plate blank layer, upper overlaid veneer layer, lower overlaid veneer layer and pre-skin of paint, owing to OSB plate blank layer, upper overlaid veneer layer, lower overlaid veneer layer are wood raw material, so hygroscopicity is strong, by arranging pre-skin of paint, upper and lower overlaid veneer is hedged off from the outer world, the hygroscopic capacity of particieboard can be made to be greatly lowered, it is also prevented from the overlaid veneer surface damage of particieboard simultaneously, and any surface finish, attractive in appearance.
2, in the preparation method of pre-paint finish oriented wood chipboard provided by the present invention, adopting compound flame retardant, effectively make use of the advantage of each based flame retardant, thus better playing fire retardation.Make a concrete analysis of as follows:
Composite nitrogen phosphorus flame retardant, ammonium sulfate and ammonium phosphate are the main bodys of fire retardant, ensure that nitrogen P elements content in sheet material, namely ensure that flame retardant effect, APP, because of its good resistance leachability and low moisture absorption ratio, adds it to reduce while ensureing flame retardant effect in flame retardant solution hygroscopic capacity and the fire retardant number of dropouts of flame-proof sheet material.Further adopting the degree of polymerization is the APP of 6-7, it it is the excellent permeability in order to utilize low polymerization degree polymer to possess, can effectively penetrating into inside sheet material, the APP of low polymerization degree has certain water solublity simultaneously, it is simple to be configured to flame-retardant water solution.
Composite metal hydroxide combustion inhibitor, as adopted nanometric magnesium hydroxide and nanoscale aluminium hydroxide, utilizes its nanometer of small-size effect and bigger specific surface area, reduces the smoke release of fire-retardant oriented wood chipboard when less addition.
Polyurethane paint adds nanometric magnesium hydroxide and nanoscale aluminium hydroxide, is utilize its decomposes, and generate the magnesia alumina protecting film of densification, it is suppressed that the generation of cigarette in combustion process, reduce cigarette total amount and the smoke density of burning release.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Accompanying drawing labelling:
1-OSB plate blank layer；The upper overlaid veneer of 21-；Overlaid veneer under 22-；The pre-skin of paint of 3-.
Detailed description of the invention
Below in conjunction with being embodied as example, the present invention is expanded on further, it should be noted that these embodiments are merely to illustrate the present invention rather than restriction the scope of the present invention.
Embodiment 1
In conjunction with accompanying drawing 1:
Pre-paint finish oriented wood chipboard, has sandwich, including OSB plate blank layer 1, upper overlaid veneer layer 21, lower overlaid veneer layer 22 and pre-skin of paint 3；
Described OSB plate blank layer 1 is between upper overlaid veneer layer 21, lower overlaid veneer layer 22, and is connected by adhesive with upper overlaid veneer layer 21, lower overlaid veneer layer 22 respectively；
Described upper overlaid veneer layer 21, lower overlaid veneer layer 22 outer surface be coated with pre-skin of paint 3.
Example 2 below-6 is the preparation method of pre-paint finish oriented wood chipboard
Embodiment 2
1) configuration of flame retardant solution
APP that the degree of polymerization is 6, ammonium phosphate, ammonium sulfate are configured to mass concentration 25% aqueous solution according to mass ratio 1:3:1.
2) dipping
Being-0.05Mpa condition under impregnate in vacuum by OSB plate and overlaid veneer in flame retardant solution, dwell time 20min, repressurization, to 0.6Mpa, dwell time 5min, is finally-0.05Mpa in vacuum, dwell time 10min.
3) dry
Slab after dipping and overlaid veneer are dried, keeps mat moisture content below 16%, obtain fire-retardant OSB plate blank layer and fire-retardant overlaid veneer layer；
3) hot pressing
Fire-retardant OSB plate blank layer is clipped between two pieces of fire-retardant overlaid veneer layers, pastes with binding agent while surface heat pressure, then sanding；
4) roller coating is painted in advance
With the paint roller coating overlaid veneer outer surface containing polyurethane；
5) sanding, cutting edge.
Embodiment 3
The collocation method being distinctive in that flame retardant solution with embodiment 2 is: according to mass ratio 3:1:1, APP that the degree of polymerization is 7, ammonium phosphate, ammonium sulfate are configured to mass concentration 35% aqueous solution.
Embodiment 4
It is distinctive in that with embodiment 3:
Flame retardant solution concrete configuration method is: according to mass ratio 2:2:1, APP that the degree of polymerization is 7, ammonium phosphate, ammonium sulfate are configured to mass concentration 30% aqueous solution；
Step 2) dipping is: being-0.1Mpa condition under dipping in vacuum by OSB plate and overlaid veneer in flame retardant solution, dwell time 30min, repressurization, to 0.3Mpa, dwell time 15min, is finally-0.02Mpa in vacuum, dwell time 20min.
Embodiment 5
Being different in that flame retardant solution is composite metal hydroxides with embodiment 2, concrete configuration method is: by the mass ratio 0.5:1 of nanometric magnesium hydroxide and nanoscale aluminium hydroxide, and addition is the 1% of flame retardant solution quality.
Embodiment 6
Being different in that flame retardant solution is composite metal hydroxides with embodiment 4, concrete configuration method is: by the mass ratio 1.5:1 of nanometric magnesium hydroxide and nanoscale aluminium hydroxide, and addition is the 3% of flame retardant solution quality.
Claims (3)
1. the preparation method of a pre-paint finish oriented wood chipboard, it is characterised in that comprise the following steps:
1) dipping: OSB plate and overlaid veneer are impregnated in flame retardant solution；Impregnation steps particularly as follows: be first-0.1～-0.05Mpa by OSB plate or overlaid veneer in vacuum, dwell time 20～30min；Repressurization, pressure 0.3～0.6Mpa, dwell time 5～15min；Last is-0.02～-0.05Mpa in vacuum, dwell time 10～20min；
2) dry: the OSB plate after dipping and overlaid veneer are dried, keep mat moisture content below 16%, obtain fire-retardant OSB plate blank layer and fire-retardant overlaid veneer layer；
3) hot pressing: fire-retardant OSB plate blank layer be clipped between two pieces of fire-retardant overlaid veneer layers, pastes with adhesive while surface heat pressure, then sanding；
4) roller coating is painted in advance: with the paint roller coating overlaid veneer outer surface containing polyurethane；
5) sanding, cutting edge；
The fire retardant of described flame retardant solution is composite nitrogen phosphorus flame retardant or composite metal hydroxide combustion inhibitor；
Described composite nitrogen phosphorus flame retardant is that APP, ammonium phosphate, ammonium sulfate are configured to mass concentration 25%～35% aqueous solution according to mass ratio 1～3:1～3:1；
Described oriented wood chipboard has sandwich, including OSB plate blank layer (1), upper overlaid veneer layer (21), lower overlaid veneer layer (22) and pre-skin of paint (3)；
Described OSB plate blank layer (1) is positioned between overlaid veneer layer (21), lower overlaid veneer layer (22), and is connected by adhesive with upper overlaid veneer layer (21), lower overlaid veneer layer (22) respectively；
Described upper overlaid veneer layer (21), lower overlaid veneer layer (22) outer surface be coated with pre-skin of paint (3)；
Described composite metal hydroxide combustion inhibitor is nanometric magnesium hydroxide and the mixture of nanoscale aluminium hydroxide, and the mass ratio 0.5:1～1.5:1 of described composite nanometric magnesium hydroxide and nanoscale aluminium hydroxide, addition is the 1～3% of flame retardant solution quality.
2. the preparation method of pre-paint finish oriented wood chipboard according to claim 1, it is characterised in that described pre-skin of paint (3) is containing polyurethane.
3. the preparation method of pre-paint finish oriented wood chipboard according to claim 2, it is characterised in that the degree of polymerization of described APP is 6～7.
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| CN104325536B true CN104325536B (en) | 2016-07-06 |
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| CN108501165A (en) * | 2018-04-16 | 2018-09-07 | 柳州市柳晶科技股份有限公司 | A kind of fire-retardant shaving board |
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| CN2440883Y (en) * | 2000-08-15 | 2001-08-01 | 吴绍良 | Floor with natural wood pattern layer |
| CN1843714A (en) * | 2006-03-03 | 2006-10-11 | 北新建材(集团)有限公司 | Solid wood composite panel with oriental shaving board as base material and method for manufacturing the same |
| CN101491914A (en) * | 2009-03-03 | 2009-07-29 | 黑龙江嘉穆板业有限公司 | Floor processing method using oriented strand board as basis material |
| CN102114656A (en) * | 2009-12-31 | 2011-07-06 | 德华兔宝宝装饰新材股份有限公司 | Manufacturing method of flame retardant solid composite floor |
| CN102120331A (en) * | 2010-12-28 | 2011-07-13 | 徐州盛和木业有限公司 | Method for manufacturing flame-retarding mothproof solid wood composite floor |
| CN102794806A (en) * | 2012-08-23 | 2012-11-28 | 德华兔宝宝装饰新材股份有限公司 | Manufacturing method for anti-flaming wooden louver blade |
| CN103978525A (en) * | 2014-05-16 | 2014-08-13 | 德华兔宝宝装饰新材股份有限公司 | OSB ecological painting-free decorative surface furniture plate and preparing method thereof |
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2014
- 2014-10-30 CN CN201410595164.3A patent/CN104325536B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4187346A (en) * | 1978-08-22 | 1980-02-05 | Shelby-Williams Industries, Inc. | Controlled permeation process for fireproofing wood |
| CN2440883Y (en) * | 2000-08-15 | 2001-08-01 | 吴绍良 | Floor with natural wood pattern layer |
| CN1843714A (en) * | 2006-03-03 | 2006-10-11 | 北新建材(集团)有限公司 | Solid wood composite panel with oriental shaving board as base material and method for manufacturing the same |
| CN101491914A (en) * | 2009-03-03 | 2009-07-29 | 黑龙江嘉穆板业有限公司 | Floor processing method using oriented strand board as basis material |
| CN102114656A (en) * | 2009-12-31 | 2011-07-06 | 德华兔宝宝装饰新材股份有限公司 | Manufacturing method of flame retardant solid composite floor |
| CN102120331A (en) * | 2010-12-28 | 2011-07-13 | 徐州盛和木业有限公司 | Method for manufacturing flame-retarding mothproof solid wood composite floor |
| CN102794806A (en) * | 2012-08-23 | 2012-11-28 | 德华兔宝宝装饰新材股份有限公司 | Manufacturing method for anti-flaming wooden louver blade |
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