CN113276508A - Antibacterial flame-retardant composite shaving board and preparation method thereof - Google Patents

Antibacterial flame-retardant composite shaving board and preparation method thereof Download PDF

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Publication number
CN113276508A
CN113276508A CN202110036852.6A CN202110036852A CN113276508A CN 113276508 A CN113276508 A CN 113276508A CN 202110036852 A CN202110036852 A CN 202110036852A CN 113276508 A CN113276508 A CN 113276508A
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layer
antibacterial
parts
flame
mixture
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Chinese (zh)
Inventor
洪楚城
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Jieyang Senfa Wood Co ltd
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Jieyang Senfa Wood Co ltd
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Priority to CN202110036852.6A priority Critical patent/CN113276508A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/02—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board the layer being formed of fibres, chips, or particles, e.g. MDF, HDF, OSB, chipboard, particle board, hardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27D—WORKING VENEER OR PLYWOOD
    • B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
    • 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
    • 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
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/04—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B21/042—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material of wood
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    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/04—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B21/06—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
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    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/02—Composition of the impregnated, bonded or embedded layer
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    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/04—Impregnation, embedding, or binder material
    • B32B2260/046—Synthetic resin
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/306—Resistant to heat
    • B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
    • B32B2307/7145—Rot proof, resistant to bacteria, mildew, mould, fungi
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2397/00—Characterised by the use of lignin-containing materials
    • C08J2397/02—Lignocellulosic material, e.g. wood, straw or bagasse
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2399/00—Characterised by the use of natural macromolecular compounds or of derivatives thereof not provided for in groups C08J2301/00 - C08J2307/00 or C08J2389/00 - C08J2397/00
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    • C08J2461/00—Characterised by the use of condensation polymers of aldehydes or ketones; Derivatives of such polymers
    • C08J2461/04—Condensation polymers of aldehydes or ketones with phenols only
    • C08J2461/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
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    • C08J2461/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
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    • C08K13/04—Ingredients characterised by their shape and organic or inorganic ingredients
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Abstract

The invention discloses an antibacterial flame-retardant composite shaving board and a preparation method thereof, belonging to the technical field of shaving board production, wherein the shaving board is divided into a core layer and an antibacterial layer, the antibacterial layer is divided into an A layer and a B layer, the core layer is arranged between the A layer and the B layer, and the outer sides of the A layer and the B layer are melamine laminated layers; the antibacterial layer is added with antibacterial agents such as 2- (4-thiazolyl) benzimidazole and titanium dioxide, so that the antibacterial and mildewproof effects can be effectively achieved, wood materials in the antibacterial layer are not easy to corrode by mildew in a humid environment, the sizing material used by the antibacterial layer of the shaving board contains a flame retardant, the fireproof performance is improved, the expanded graphite in the antibacterial layer can expand when meeting high temperature, the maximum expansion volume can reach more than 200 times of the original volume, and the fireproof and heat insulation effects can be effectively achieved.

Description

Antibacterial flame-retardant composite shaving board and preparation method thereof
Technical Field
The invention relates to the technical field of shaving board production, in particular to an antibacterial flame-retardant composite shaving board and a preparation method thereof.
Background
The particle board is also called particle board, various branches, small diameter wood, fast growing wood, wood dust and the like are cut into pieces with certain specifications, the pieces are dried and mixed with sizing material, hardening agent, waterproof agent and the like, and the pieces are pressed into the artificial board at certain temperature and pressure, the particles are unevenly arranged, the artificial board has good performances of sound absorption, sound insulation, heat insulation, sound absorption and the like, in addition, the glue consumption is small in the production process of the particle board, and the environmental protection coefficient is relatively high.
The production method of the shaving board is divided into an intermittent production flat pressing method, a continuous production extrusion method and a continuous production rolling method according to different plate blank forming and hot pressing process equipment. In the actual production, the flat pressing method is mainly used. Hot pressing is a critical process in the production of particle boards and has the effect of solidifying the glue in the mat and consolidating the loose mat into a board of defined thickness after pressing.
Along with people's requirement to the decorative board performance is higher and higher, the shaving board is also constantly innovated, except traditional function, in addition to the examination of various special environment of reply, for example when using as cupboard material, the shaving board contains wooden material, need can be antibacterial mould proof after meeting water, perhaps can withstand high temperature, isolated naked light prevents the emergence of conflagration.
Disclosure of Invention
The invention aims to provide an antibacterial flame-retardant composite shaving board and a preparation method thereof, the shaving board can inhibit bacteria and mildew, wood materials in the shaving board are not easy to be corroded by mildew in a humid environment, a sizing material used by an antibacterial layer of the shaving board contains a flame retardant, the fireproof performance is improved, expanded graphite in the antibacterial layer expands when meeting high temperature, the maximum expansion volume can reach more than 200 times of the original volume, and the shaving board can effectively prevent fire and insulate heat.
In order to achieve the purpose, the invention provides the following technical scheme: an antibacterial flame-retardant composite shaving board comprises a core layer, an antibacterial layer and a melamine decorative paper veneering layer; the core layer comprises the following raw materials in parts by weight: 50-60 parts of bagasse and 4-4.8 parts of urea-formaldehyde resin adhesive; the antibacterial layer comprises, by mass, 60-80 parts of wood chips, 9.6-13.6 parts of phenolic resin glue, 1.8-2.4 parts of isocyanate glue, 0.3-0.4 part of curing agent, 1.6-2.0 parts of cross-linking agent, 20-28 parts of expanded graphite, 9-12 parts of antibacterial agent and 6-10 parts of flame retardant.
Preferably, the antibacterial layer is divided into an A layer and a B layer, a core layer is arranged between the A layer and the B layer, and the outer sides of the A layer and the B layer are melamine laminated layers.
Preferably, the antibacterial flame-retardant composite particle board is characterized in that the curing agent is any one of metaphenylene diamine, 2-methylimidazole and dodecenyl succinic anhydride.
Preferably, the antibacterial flame-retardant composite particle board is characterized in that the cross-linking agent is at least one of borax and aluminum chloride.
Preferably, the antibacterial flame-retardant composite particle board is characterized in that the antibacterial agent is 2- (4-thiazolyl) benzimidazole, titanium dioxide and cuprous oxide.
Preferably, the antibacterial flame-retardant composite particle board is one described above, and the flame retardant is at least two of aluminum hydroxide, magnesium hydroxide and ammonium molybdate.
The invention also provides an antibacterial flame-retardant composite shaving board, and the preparation method of the shaving board comprises the following steps:
1) preparing a core layer mixture: filling urea-formaldehyde resin glue in a container, adding bagasse, and stirring at the temperature of 25-30 ℃ for 5-8min at the stirring speed of 100-;
2) preparing an antibacterial layer mixture: putting the phenolic resin glue, the isocyanate glue and the fire retardant into a high-shear dispersion emulsifying machine, setting the stirring speed at 500-600r/min, and stirring for 12-15min at the temperature of 25-30 ℃; pouring the stirred rubber material into a container, adding the wood chips, the expanded graphite and the antibacterial agent, stirring for 6-10min at the temperature of 25-30 ℃, adding the curing agent and the crosslinking agent, and stirring for 5-8 min;
3) paving: uniformly paving 50% of the antibacterial layer mixture in a mold of a paving machine to serve as a layer A, then adding the core layer mixture and uniformly paving, finally adding the remaining 50% of the antibacterial layer mixture and uniformly paving to serve as a layer B, and then pre-pressing the mixture into a plate blank by the paving machine;
4) hot pressing and leveling: transferring the plate blank to a hot press for hot press molding, cooling, sawing off redundant corners, and sanding with 180-mesh and 220-mesh sand paper;
5) veneering: and adhering the melamine decorative paper on the outer side of the antibacterial layer by using a phenolic resin adhesive, and then performing edge trimming operation to cut off the redundant melamine decorative paper.
Compared with the prior art, the invention has the beneficial effects that:
the particle board is divided into the core layer and the antibacterial layer, antibacterial agents such as 2- (4-thiazolyl) benzimidazole and titanium dioxide are added into the antibacterial layer, so that bacteria and mildew can be effectively inhibited, wood materials in the particle board are not easy to corrode by mildew in a humid environment, the sizing material used by the antibacterial layer of the particle board contains a flame retardant, the fireproof performance is improved, the expanded graphite in the antibacterial layer expands at high temperature, the maximum expansion volume can reach more than 200 times of the original volume, and effective fireproof and heat insulation can be achieved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the shoe material of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1-core layer, 2-antibacterial layer and 3-melamine decorative paper. 4-B layer and 5-A layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the specification, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 one
The antibacterial flame-retardant composite shaving board comprises the following raw materials in parts by weight:
1) preparing a core layer mixture: 4 parts of urea-formaldehyde resin adhesive is contained in a container, 50 parts of bagasse is added, and the mixture is stirred for 5min at the temperature of 25 ℃, wherein the stirring speed is 100 r/min;
2) preparing an antibacterial layer mixture: putting 9.6 parts of phenolic resin glue, 1.8 parts of isocyanate glue, 3 parts of aluminum hydroxide and 3 parts of magnesium hydroxide into a high-shear dispersion emulsifying machine, setting the stirring speed to be 500r/min, and stirring for 12min at the temperature of 25 ℃; pouring the stirred glue into a container, adding 60 parts of wood chips, 20 parts of expanded graphite, 2 parts of 2- (4-thiazolyl) benzimidazole, 3.5 parts of titanium dioxide and 3.5 parts of cuprous oxide, stirring for 6min at 25 ℃, adding 0.3 part of 2-methylimidazole and 1.6 parts of borax, and stirring for 5 min;
3) paving: uniformly paving 50% of the antibacterial layer mixture in a mold of a paving machine to serve as a layer A, then adding the core layer mixture and uniformly paving, finally adding the remaining 50% of the antibacterial layer mixture and uniformly paving to serve as a layer B, and then pre-pressing the mixture into a plate blank by the paving machine;
4) hot pressing and leveling: transferring the plate blank to a hot press for hot press molding, cooling, sawing off redundant corners, and sanding with 180-mesh abrasive paper;
5) veneering: and adhering the melamine decorative paper on the outer side of the antibacterial layer by using a phenolic resin adhesive, and then performing edge trimming operation to cut off the redundant melamine decorative paper.
Example two
The antibacterial flame-retardant composite shaving board comprises the following raw materials in parts by weight:
1) preparing a core layer mixture: 4.8 parts of urea-formaldehyde resin adhesive is contained in a container, 60 parts of bagasse is added, and the mixture is stirred for 5min at the temperature of 25 ℃, wherein the stirring speed is 100 r/min;
2) preparing an antibacterial layer mixture: putting 13.6 parts of phenolic resin glue, 2.4 parts of isocyanate glue, 5 parts of aluminum hydroxide and 5 parts of magnesium hydroxide into a high-shear dispersion emulsifying machine, setting the stirring speed to be 500r/min, and stirring for 12min at the temperature of 25 ℃; pouring the stirred glue into a container, adding 80 parts of wood chips, 28 parts of expanded graphite, 2 parts of 2- (4-thiazolyl) benzimidazole, 5 parts of titanium dioxide and 5 parts of cuprous oxide, stirring for 6min at 25 ℃, adding 0.4 part of 2-methylimidazole and 1.8 parts of borax, and stirring for 5 min;
3) paving: uniformly paving 50% of the antibacterial layer mixture in a mold of a paving machine to serve as a layer A, then adding the core layer mixture and uniformly paving, finally adding the remaining 50% of the antibacterial layer mixture and uniformly paving to serve as a layer B, and then pre-pressing the mixture into a plate blank by the paving machine;
4) hot pressing and leveling: transferring the plate blank to a hot press for hot press molding, cooling, sawing off redundant corners, and sanding with 220-mesh abrasive paper;
5) veneering: and adhering the melamine decorative paper on the outer side of the antibacterial layer by using a phenolic resin adhesive, and then performing edge trimming operation to cut off the redundant melamine decorative paper.
EXAMPLE III
The antibacterial flame-retardant composite shaving board comprises the following raw materials in parts by weight:
1) preparing a core layer mixture: 4.4 parts of urea-formaldehyde resin adhesive is filled in a container, 55 parts of bagasse is added, and the mixture is stirred for 5min at the temperature of 25 ℃, wherein the stirring speed is 100 r/min;
2) preparing an antibacterial layer mixture: putting 12 parts of phenolic resin glue, 2.2 parts of isocyanate glue, 3 parts of aluminum hydroxide and 3 parts of magnesium hydroxide into a high-shear dispersion emulsifying machine, setting the stirring speed to be 500r/min, and stirring for 12min at the temperature of 25 ℃; pouring the stirred glue into a container, adding 70 parts of wood chips, 25 parts of expanded graphite, 2 parts of 2- (4-thiazolyl) benzimidazole, 3 parts of titanium dioxide and 3 parts of cuprous oxide, stirring for 6min at 25 ℃, adding 0.3 part of 2-methylimidazole and 1.7 parts of borax, and stirring for 5 min;
3) paving: uniformly paving 50% of the antibacterial layer mixture in a mold of a paving machine to serve as a layer A, then adding the core layer mixture and uniformly paving, finally adding the remaining 50% of the antibacterial layer mixture and uniformly paving to serve as a layer B, and then pre-pressing the mixture into a plate blank by the paving machine;
4) hot pressing and leveling: transferring the plate blank to a hot press for hot press molding, cooling, sawing off redundant corners, and sanding with 200-mesh abrasive paper;
5) veneering: and adhering the melamine decorative paper on the outer side of the antibacterial layer by using a phenolic resin adhesive, and then performing edge trimming operation to cut off the redundant melamine decorative paper.
Example four
The antibacterial flame-retardant composite shaving board comprises the following raw materials in parts by weight:
1) preparing a core layer mixture: 4 parts of urea-formaldehyde resin adhesive is contained in a container, 50 parts of bagasse is added, and the mixture is stirred for 5min at the temperature of 25 ℃, wherein the stirring speed is 100 r/min;
2) preparing an antibacterial layer mixture: putting 13.6 parts of phenolic resin glue, 2.2 parts of isocyanate glue, 5 parts of aluminum hydroxide and 5 parts of magnesium hydroxide into a high-shear dispersion emulsifying machine, setting the stirring speed to be 500r/min, and stirring for 12min at the temperature of 25 ℃; pouring the stirred glue into a container, adding 80 parts of wood chips, 28 parts of expanded graphite, 2 parts of 2- (4-thiazolyl) benzimidazole, 5 parts of titanium dioxide and 5 parts of cuprous oxide, stirring for 6min at 25 ℃, adding 0.4 part of 2-methylimidazole and 1.8 parts of borax, and stirring for 5 min;
3) paving: uniformly paving 50% of the antibacterial layer mixture in a mold of a paving machine to serve as a layer A, then adding the core layer mixture and uniformly paving, finally adding the remaining 50% of the antibacterial layer mixture and uniformly paving to serve as a layer B, and then pre-pressing the mixture into a plate blank by the paving machine;
4) hot pressing and leveling: transferring the plate blank to a hot press for hot press molding, cooling, sawing off redundant corners, and sanding with 200-mesh abrasive paper;
5) veneering: and adhering the melamine decorative paper on the outer side of the antibacterial layer by using a phenolic resin adhesive, and then performing edge trimming operation to cut off the redundant melamine decorative paper.
EXAMPLE five
The antibacterial flame-retardant composite shaving board comprises the following raw materials in parts by weight:
1) preparing a core layer mixture: 4.8 parts of urea-formaldehyde resin adhesive is filled in a container, 60 parts of bagasse is added, and the mixture is stirred for 8min at the temperature of 25 ℃, wherein the stirring speed is 120 r/min;
2) preparing an antibacterial layer mixture: putting 13.6 parts of phenolic resin glue, 2.4 parts of isocyanate glue, 5 parts of aluminum hydroxide and 5 parts of magnesium hydroxide into a high-shear dispersion emulsifying machine, setting the stirring speed to be 600r/min, and stirring for 15min at the temperature of 25 ℃; pouring the stirred glue into a container, adding 80 parts of wood chips, 28 parts of expanded graphite, 2 parts of 2- (4-thiazolyl) benzimidazole, 5 parts of titanium dioxide and 5 parts of cuprous oxide, stirring for 10min at 25 ℃, adding 0.4 part of 2-methylimidazole and 1.8 parts of borax, and stirring for 8 min;
3) paving: uniformly paving 50% of the antibacterial layer mixture in a mold of a paving machine to serve as a layer A, then adding the core layer mixture and uniformly paving, finally adding the remaining 50% of the antibacterial layer mixture and uniformly paving to serve as a layer B, and then pre-pressing the mixture into a plate blank by the paving machine;
4) hot pressing and leveling: transferring the plate blank to a hot press for hot press molding, cooling, sawing off redundant corners, and sanding with 220-mesh abrasive paper;
5) veneering: and adhering the melamine decorative paper on the outer side of the antibacterial layer by using a phenolic resin adhesive, and then performing edge trimming operation to cut off the redundant melamine decorative paper.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (7)

1. An antibacterial flame-retardant composite shaving board is characterized in that the shaving board comprises a core layer, an antibacterial layer and a melamine decorative paper veneering layer; the core layer comprises the following raw materials in parts by weight: 50-60 parts of bagasse and 4-4.8 parts of urea-formaldehyde resin adhesive; the antibacterial layer comprises, by mass, 60-80 parts of wood chips, 9.6-13.6 parts of phenolic resin glue, 1.8-2.4 parts of isocyanate glue, 0.3-0.4 part of curing agent, 1.6-2.0 parts of cross-linking agent, 20-28 parts of expanded graphite, 9-12 parts of antibacterial agent and 6-10 parts of flame retardant.
2. The antibacterial flame-retardant composite particle board according to claim 1, characterized in that: the antibacterial layer is divided into a layer A and a layer B, a core layer is arranged between the layer A and the layer B, and the outer sides of the layer A and the layer B are melamine laminated layers.
3. The antibacterial flame-retardant composite particle board according to claim 1, characterized in that: the curing agent is any one of m-phenylenediamine, 2-methylimidazole and dodecenyl succinic anhydride.
4. The antibacterial flame-retardant composite particle board according to claim 1, characterized in that: the cross-linking agent is at least one of borax and aluminum chloride.
5. The antibacterial flame-retardant composite particle board according to claim 1, characterized in that: the antibacterial agent is 2- (4-thiazolyl) benzimidazole, titanium dioxide and cuprous oxide.
6. The antibacterial flame-retardant composite particle board according to claim 1, characterized in that: the flame retardant is at least two of aluminum hydroxide, magnesium hydroxide and ammonium molybdate.
7. An antibacterial flame retardant composite particle board according to any of claims 1-6, which is prepared by a process comprising:
1) preparing a core layer mixture: filling urea-formaldehyde resin glue in a container, adding bagasse, and stirring at the temperature of 25-30 ℃ for 5-8min at the stirring speed of 100-;
2) preparing an antibacterial layer mixture: putting the phenolic resin glue, the isocyanate glue and the fire retardant into a high-shear dispersion emulsifying machine, setting the stirring speed at 500-600r/min, and stirring for 12-15min at the temperature of 25-30 ℃; pouring the stirred rubber material into a container, adding the wood chips, the expanded graphite and the antibacterial agent, stirring for 6-10min at the temperature of 25-30 ℃, adding the curing agent and the crosslinking agent, and stirring for 5-8 min;
3) paving: uniformly paving 50% of the antibacterial layer mixture in a mold of a paving machine to serve as a layer A, then adding the core layer mixture and uniformly paving, finally adding the remaining 50% of the antibacterial layer mixture and uniformly paving to serve as a layer B, and then pre-pressing the mixture into a plate blank by the paving machine;
4) hot pressing and leveling: transferring the plate blank to a hot press for hot press molding, cooling, sawing off redundant corners, and sanding with 180-mesh and 220-mesh sand paper;
5) veneering: and adhering the melamine decorative paper on the outer side of the antibacterial layer by using a phenolic resin adhesive, and then performing edge trimming operation to cut off the redundant melamine decorative paper.
CN202110036852.6A 2021-01-12 2021-01-12 Antibacterial flame-retardant composite shaving board and preparation method thereof Pending CN113276508A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040175545A1 (en) * 2003-02-19 2004-09-09 Krebs Robert R. Laminate flooring planks incorporating antimicrobial agents
CN104802229A (en) * 2015-03-30 2015-07-29 广西宾阳县荣良新材料科技有限公司 Cabinet board and manufacturing method thereof
CN109111617A (en) * 2018-06-11 2019-01-01 台州市港泰铝塑板有限公司 The fire-retardant sandwich layer of aluminium-plastic panel and aluminium-plastic panel
CN112045818A (en) * 2020-09-09 2020-12-08 江苏美林堡木业有限公司 Oriented strand board with low formaldehyde emission and production process thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040175545A1 (en) * 2003-02-19 2004-09-09 Krebs Robert R. Laminate flooring planks incorporating antimicrobial agents
CN104802229A (en) * 2015-03-30 2015-07-29 广西宾阳县荣良新材料科技有限公司 Cabinet board and manufacturing method thereof
CN109111617A (en) * 2018-06-11 2019-01-01 台州市港泰铝塑板有限公司 The fire-retardant sandwich layer of aluminium-plastic panel and aluminium-plastic panel
CN112045818A (en) * 2020-09-09 2020-12-08 江苏美林堡木业有限公司 Oriented strand board with low formaldehyde emission and production process thereof

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Application publication date: 20210820