CN112300619A - Fireproof wood board - Google Patents
Fireproof wood board Download PDFInfo
- Publication number
- CN112300619A CN112300619A CN202011174948.0A CN202011174948A CN112300619A CN 112300619 A CN112300619 A CN 112300619A CN 202011174948 A CN202011174948 A CN 202011174948A CN 112300619 A CN112300619 A CN 112300619A
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- China
- Prior art keywords
- magnesium oxide
- layer
- oxide coating
- wood board
- flame
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D189/00—Coating compositions based on proteins; Coating compositions based on derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/16—Halogen-containing compounds
- C08K2003/166—Magnesium halide, e.g. magnesium chloride
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/222—Magnesia, i.e. magnesium oxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3009—Sulfides
- C08K2003/3018—Sulfides of magnesium, calcium, strontium or barium
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
Abstract
The invention discloses a fireproof wood board which comprises a wood layer, a first magnesium oxide coating coated on the front surface of the wood layer and a second magnesium oxide coating coated on the back surface of the wood layer, wherein the front surface of the first magnesium oxide coating is coated with a first flame-retardant glue solution layer, and the back surface of the second magnesium oxide coating is coated with a second flame-retardant glue solution layer. The wood board obtained by the invention adopts the double-layer flame-retardant coating, has the advantages of fire resistance, flame retardance, wear resistance, high strength and performance, excellent high temperature resistance and weather resistance on the surface of the wood board, and prolonged service life.
Description
Technical Field
The invention relates to the technical field of decorative boards, in particular to a fireproof wood board.
Background
The decorative wood board material is mainly characterized by large bulk density, hard material, good structural strength, capability of bearing heavy load, beautiful patterns, fine texture, strong durability and corrosion resistance and ideal material color. The decorative wood boards are divided into several types, wherein, the plywood is generally used for decoration modeling and skirting line base layer and the like due to thinness, and the core-board is generally used for base layer support, such as a suspended ceiling vertical plate, a base layer of a wall decorative board and the like. The composite board refers to a board formed by combining several materials, such as a rock wool composite board, a color steel composite board and the like. Density boards are commonly used for furniture and product packaging, and writing desks in offices are commonly made of density boards. The decorative wood board is mainly used for high-grade decorative materials of furniture and interior decoration, for example, the surface of a writing desk adopts a wood board for attaching decoration to obtain a wood grain texture effect, and the wall imitation wood in partial decoration is also the wood board for attaching decoration, so that the large-area wood board is adopted in the decoration process, and the fireproof and flame retardant properties of the wood board become key points for improving the service performance of the wood board.
Therefore, in combination with the above problems, it is an urgent need to solve the problems of the art to provide an environment-friendly flame retardant fireproof wood board prepared by directly applying a composite flame retardant coating.
Disclosure of Invention
In view of the above, the invention provides a fireproof wood board and a preparation method of the fireproof wood board, the preparation method is simple and low in cost, the obtained wood board adopts a double-layer flame-retardant coating, and the wood board has the advantages of fire resistance, flame retardance, wear resistance, high strength and performance, and the service life is prolonged.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a fireproof wood board, includes the wooden layer, coats at the positive magnesium oxide coating one of wooden layer and coats at the magnesium oxide coating two of wooden layer back, magnesium oxide coating one openly scribbles fire-retardant glue layer one, the two backs of magnesium oxide coating scribble fire-retardant glue layer two.
Preferably, the raw materials of the flame-retardant glue layer I and the flame-retardant glue layer II comprise the following components in percentage by weight: 0-8% of magnesium sulfate, 25-35% of magnesium chloride hexahydrate, 30-35% of water and 30-35% of soybean glue.
Preferably, the raw materials of the magnesium oxide coating I and the magnesium oxide coating II comprise the following components in parts by weight: 40-60 parts of polyurethane resin, 15-25 parts of wetting agent, 6-9 parts of defoaming agent, 8-15 parts of emulsifier, 22-28 parts of polyvinyl acetate emulsion and 5-8 parts of nano magnesium oxide.
By adopting the preferable scheme, the invention has the beneficial effects that: the nano magnesium oxide is coated on the surface of a wood layer in a physical mixing mode, so that the total smoke generation amount and the CO yield are obviously reduced, the carbon residue rate is improved, and the nano magnesium oxide has a good flame retardant effect and a good flame retardant effect.
A preparation method of a fireproof wood board comprises the following specific steps:
s1, processing the wood into a wood board, naturally airing and drying, and polishing the front and back of the wood board by using abrasive paper to obtain a wood layer;
s2, weighing polyurethane resin, a wetting agent, a defoaming agent, an emulsifying agent, polyvinyl acetate emulsion and nano magnesium oxide according to a ratio, mixing to obtain a magnesium oxide coating, coating the magnesium oxide coating on the front and back of the wood layer, forming a first magnesium oxide coating on the front of the wood layer, forming a second magnesium oxide coating on the back of the wood layer, standing and drying to obtain a semi-finished product;
s3, weighing magnesium sulfate, magnesium chloride hexahydrate, soybean glue and water according to the proportion, placing the mixture into a reaction kettle, stirring and mixing the mixture at the stirring speed of 30-40r/min to obtain flame-retardant glue solution;
s4, coating the flame-retardant glue solution on the surface of the semi-finished product, forming a first flame-retardant glue solution layer on the front surface of the magnesium oxide coating, forming a second flame-retardant glue solution layer on the back surface of the second magnesium oxide coating, standing and ageing, placing the wood board into a hot-pressing forming machine for hot-pressing treatment, taking out the wood board, naturally drying the wood board, and sanding and cutting edges to obtain the finished fireproof wood board.
Through the technical scheme, compared with the prior art, the invention has the following beneficial effects:
the invention provides a fireproof wood board and a method for preparing the fireproof wood board, wherein a wood layer is coated with a magnesium oxide coating and a flame-retardant glue layer respectively, the used raw materials are cheap and easily available, the fireproof wood board is flame-retardant and fireproof, the surface of the wood board has excellent high temperature resistance and weather resistance, and the used nano magnesium oxide can be used as a physical barrier layer for the wood layer to generate the effects of high temperature resistance, heat insulation and oxygen isolation. The flame-retardant glue layer can prevent fire and prevent insects to improve the strength and hardness of the wood board, and the whole fireproof wood board is nontoxic, tasteless, environment-friendly and safe.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural view of a fireproof wood board according to the present invention;
in the figure: 1-wood layer, 2-magnesium oxide coating layer I, 3-magnesium oxide coating layer II, 4-flame-retardant glue layer I and 5-flame-retardant glue layer II.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
the embodiment 1 of the invention discloses a fireproof wood board, which adopts the following technical scheme:
the utility model provides a fireproof wood board, includes wooden layer 1, coats at the positive magnesium oxide coating 2 of wooden layer 1 and coats at the two 3 magnesium oxide coatings at the wooden layer 1 back, one 2 front of magnesium oxide coating scribbles fire-retardant glue layer 4, the two 3 backs of magnesium oxide coating scribble fire-retardant glue layer two 5.
The flame-retardant glue layer I4 and the flame-retardant glue layer II 5 are prepared from the following raw materials in percentage by weight: 30% of magnesium chloride hexahydrate, 35% of water and 35% of soybean glue.
The magnesium oxide coating I2 and the magnesium oxide coating II 3 are prepared from the following raw materials in parts by weight: 40 parts of polyurethane resin, 15 parts of wetting agent, 6 parts of defoaming agent, 8 parts of emulsifier, 22 parts of polyvinyl acetate emulsion and 5 parts of nano magnesium oxide.
Example 2:
the embodiment 2 of the invention discloses a fireproof wood board, which adopts the following technical scheme:
the utility model provides a fireproof wood board, includes wooden layer 1, coats at the positive magnesium oxide coating 2 of wooden layer 1 and coats at the two 3 magnesium oxide coatings at the wooden layer 1 back, one 2 front of magnesium oxide coating scribbles fire-retardant glue layer 4, the two 3 backs of magnesium oxide coating scribble fire-retardant glue layer two 5.
The flame-retardant glue layer I4 and the flame-retardant glue layer II 5 are prepared from the following raw materials in percentage by weight: 8% of magnesium sulfate, 32% of magnesium chloride hexahydrate, 30% of water and 30% of soybean glue.
The magnesium oxide coating I2 and the magnesium oxide coating II 3 are prepared from the following raw materials in parts by weight: 60 parts of polyurethane resin, 25 parts of wetting agent, 9 parts of defoaming agent, 15 parts of emulsifier, 28 parts of polyvinyl acetate emulsion and 8 parts of nano magnesium oxide.
Example 3:
the embodiment 3 of the invention discloses a fireproof wood board, which adopts the following technical scheme:
the utility model provides a fireproof wood board, includes wooden layer 1, coats at the positive magnesium oxide coating 2 of wooden layer 1 and coats at the two 3 magnesium oxide coatings at the wooden layer 1 back, one 2 front of magnesium oxide coating scribbles fire-retardant glue layer 4, the two 3 backs of magnesium oxide coating scribble fire-retardant glue layer two 5.
The flame-retardant glue layer I4 and the flame-retardant glue layer II 5 are prepared from the following raw materials in percentage by weight: 5% of magnesium sulfate, 30% of magnesium chloride hexahydrate, 32% of water and 33% of soybean gum.
The magnesium oxide coating I2 and the magnesium oxide coating II 3 are prepared from the following raw materials in parts by weight: 50 parts of polyurethane resin, 20 parts of wetting agent, 7 parts of defoaming agent, 11 parts of emulsifier, 25 parts of polyvinyl acetate emulsion and 6 parts of nano magnesium oxide.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (4)
1. The utility model provides a fireproof wood board, its characterized in that includes wooden layer (1), coats at the positive magnesium oxide coating one (2) of wooden layer (1) and coats at the magnesium oxide coating two (3) at wooden layer (1) back, magnesium oxide coating one (2) openly scribbles fire-retardant glue layer one (4), magnesium oxide coating two (3) backs scribble fire-retardant glue layer two (5).
2. A fireproof wood board according to claim 1, wherein the raw materials of the flame-retardant glue layer one (4) and the flame-retardant glue layer two (5) comprise the following components in percentage by weight: 0-8% of magnesium sulfate, 25-35% of magnesium chloride hexahydrate, 30-35% of water and 30-35% of soybean glue.
3. A fireproof wood board according to claim 1, wherein the magnesium oxide coating I (2) and the magnesium oxide coating II (3) are prepared from the following components in parts by weight: 40-60 parts of polyurethane resin, 15-25 parts of wetting agent, 6-9 parts of defoaming agent, 8-15 parts of emulsifier, 22-28 parts of polyvinyl acetate emulsion and 5-8 parts of nano magnesium oxide.
4. The method for preparing a fireproof wood board according to any one of claims 1 to 3, comprising the following steps:
s1, processing the wood into a wood board, naturally airing and drying, and grinding the front and back of the wood board by using abrasive paper to obtain a wood layer (1);
s2, weighing polyurethane resin, a wetting agent, a defoaming agent, an emulsifying agent, polyvinyl acetate emulsion and nano magnesium oxide according to a ratio, mixing to obtain a magnesium oxide coating, coating the magnesium oxide coating on the front surface and the back surface of the wood layer (1), forming a magnesium oxide coating I (2) on the front surface of the wood layer (1), forming a magnesium oxide coating II (3) on the back surface of the wood layer (2), standing and drying to obtain a semi-finished product;
s3, weighing magnesium sulfate, magnesium chloride hexahydrate, soybean glue and water according to the proportion, placing the mixture into a reaction kettle, stirring and mixing the mixture at the stirring speed of 30-40r/min to obtain flame-retardant glue solution;
s4, coating the flame-retardant glue solution on the surface of the semi-finished product, forming a flame-retardant glue solution layer I (4) on the front surface of the magnesium oxide coating I (2), forming a flame-retardant glue solution layer II (5) on the back surface of the magnesium oxide coating II (3), standing and aging, placing the wood board into a hot-press forming machine for hot-press treatment, taking out the wood board, naturally drying the wood board, and sanding and cutting edges to obtain the finished fireproof wood board.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202011174948.0A CN112300619A (en) | 2020-10-28 | 2020-10-28 | Fireproof wood board |
Applications Claiming Priority (1)
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CN202011174948.0A CN112300619A (en) | 2020-10-28 | 2020-10-28 | Fireproof wood board |
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CN112300619A true CN112300619A (en) | 2021-02-02 |
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CN202011174948.0A Pending CN112300619A (en) | 2020-10-28 | 2020-10-28 | Fireproof wood board |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112848565A (en) * | 2021-01-23 | 2021-05-28 | 浙江创通木业有限公司 | Flame-retardant floor and preparation method thereof |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105171881A (en) * | 2015-09-11 | 2015-12-23 | 浙江喜盈门木业有限公司 | Fireproof wooden door with excellent performance |
CN106003908A (en) * | 2016-06-07 | 2016-10-12 | 淮滨县祥盛再生资源有限公司 | Multilayer flame-retardant wood-based composite board and manufacturing method thereof |
CN107118581A (en) * | 2017-06-03 | 2017-09-01 | 合肥伊只门窗有限公司 | A kind of high-strength fire-retardant timber and its production method |
CN107880708A (en) * | 2016-08-03 | 2018-04-06 | 卢子强 | A kind of water-fast durable fireproof wood and preparation method thereof |
CN108487843A (en) * | 2018-04-17 | 2018-09-04 | 天津市格林门业有限公司 | A kind of manufacturing process of fire-retardant fire resistance steel door |
-
2020
- 2020-10-28 CN CN202011174948.0A patent/CN112300619A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105171881A (en) * | 2015-09-11 | 2015-12-23 | 浙江喜盈门木业有限公司 | Fireproof wooden door with excellent performance |
CN106003908A (en) * | 2016-06-07 | 2016-10-12 | 淮滨县祥盛再生资源有限公司 | Multilayer flame-retardant wood-based composite board and manufacturing method thereof |
CN107880708A (en) * | 2016-08-03 | 2018-04-06 | 卢子强 | A kind of water-fast durable fireproof wood and preparation method thereof |
CN107118581A (en) * | 2017-06-03 | 2017-09-01 | 合肥伊只门窗有限公司 | A kind of high-strength fire-retardant timber and its production method |
CN108487843A (en) * | 2018-04-17 | 2018-09-04 | 天津市格林门业有限公司 | A kind of manufacturing process of fire-retardant fire resistance steel door |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112848565A (en) * | 2021-01-23 | 2021-05-28 | 浙江创通木业有限公司 | Flame-retardant floor and preparation method thereof |
CN112848565B (en) * | 2021-01-23 | 2022-05-17 | 浙江创通木业有限公司 | Flame-retardant floor and preparation method thereof |
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