CN106426497A - Fiber plate and manufacturing method thereof - Google Patents

Fiber plate and manufacturing method thereof Download PDF

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Publication number
CN106426497A
CN106426497A CN201610989231.9A CN201610989231A CN106426497A CN 106426497 A CN106426497 A CN 106426497A CN 201610989231 A CN201610989231 A CN 201610989231A CN 106426497 A CN106426497 A CN 106426497A
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CN
China
Prior art keywords
fibre
wood
fibre board
base
board
Prior art date
Application number
CN201610989231.9A
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Chinese (zh)
Inventor
魏松艳
马立军
孙伟
刘冰
姚露贤
崔铁花
李继平
付晓霞
于海媛
Original Assignee
吉林省林业科学研究院
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Priority to CN201610989231.9A priority Critical patent/CN106426497A/en
Publication of CN106426497A publication Critical patent/CN106426497A/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27NMANUFACTURE 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
    • B27N3/00Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/04Manufacture of substantially flat articles, e.g. boards, from particles or fibres from fibres
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27NMANUFACTURE 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
    • B27N3/00Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/08Moulding or pressing
    • B27N3/10Moulding of mats
    • B27N3/12Moulding of mats from fibres

Abstract

The invention provides a fiber plate which comprises a wood fiber stock, an adhesion agent and a compound flame retardant, wherein the compound flame retardant comprises kieselguhr, titanium dioxide, melamine polyphosphate and zinc borate. According to the raw material proportion provided by the invention, the fire resistance of the fiber plate is promoted, the mechanical property of the fiber plate is not damaged, the fiber plate has excellent properties, including strength, fire resistance, damp-proof effect, adjustment for indoor humidity, and the like, and the fiber plate can more effectively meet the practical application requirements. Besides, the fiber plate provided by the invention has the properties of removing formaldehyde, purifying air and resisting corrosion, is environment-friendly and can more effectively promote the life quality of people.

Description

A kind of fibre board and preparation method thereof
Technical field
The present invention relates to finishing building materials technology field, particularly to a kind of fibre board and preparation method thereof.
Background technology
Fibre board is the wood-based plate being obtained by wood fibre or other plant cellulose fiber intertexture molding, and it is equal that it has material Even, the advantages of intensity difference is little and easy to crack in length and breadth, and compared to original plank, it consumes less timber, optimizes timber money The comprehensive utilization in source, therefore, fibre board replaces original plank more and more and is applied to real estate, traffic, building materials, decoration and packaging In field.
And for different fields or application places, often different performance requirements are proposed to fibre board, in order to Meet the differentiated demand of different field, exploitation various functions fiber type plate just has and is of great significance.
Obtain flame retardant type fibre board by adding fire retardant in fibre board as in prior art, however, fire-retardant The presence of agent often affects the performance of adhesive and fibrous raw material, and then reduces the mechanical property of fibre board;If reducing fire-retardant The addition of agent, then do not reach flame retardant effect, if increasing the addition of fire retardant, the mechanical property of destruction fibre board that again can be larger Can, therefore in prior art, the basic mechanical performance of fibre board and fire resistance are often difficult to balance and be in harmonious proportion, and make the reality of fibre board Border application is significantly limited.
Content of the invention
In view of this, it is an object of the invention to provide a kind of fibre board and preparation method thereof, the fiber that the present invention provides Plate can improve the anti-flammability of fibre board on the basis of ensureing mechanical property, preferably meets practical application.
The invention provides a kind of fibre board, including wood fibre base material, adhesive and composite flame-retardant agent;Described compound resistance Combustion agent includes kieselguhr, titanium dioxide, melamine phosphate and Firebrake ZB.
Preferably, in described wood fibre base material, the length of the wood fiber is 2~5mm.
Preferably, in described wood fibre base material, the moisture content of the wood fiber is 5%~10%.
Preferably, the mass fraction that described kieselguhr accounts for described wood fibre base material dry weight is 5%~15%;
It is 10%~30% that described titanium dioxide accounts for described diatomaceous mass fraction;
The mass fraction that described melamine phosphate accounts for described wood fibre base material dry weight is 2%~10%;
The mass fraction that described Firebrake ZB accounts for described wood fibre base material dry weight is 2%~10%.
Preferably, described adhesive is one or more of Lauxite, phenolic resin and isocyanates.
Preferably, the mass fraction that described adhesive accounts for described wood fibre base material dry weight is 7%~16%.
Preferably, also include paraffin;
The mass fraction that described paraffin accounts for described adhesive is 0.5%~2%.
Preferably, the density of described fibre board is 0.55~0.88g/cm3.
Present invention also offers a kind of preparation method of fibre board described in technique scheme, comprise the following steps:
A) by the mixture forming of wood fibre base material, adhesive and composite flame-retardant agent, obtain fibre mat;
B) by described fibre mat hot pressing, obtain fibre board.
Preferably, described step B) in, the temperature of described hot pressing is 160~180 DEG C, and pressure is 14~17MPa.
Compared with prior art, the invention provides a kind of fibre board, including wood fibre base material, adhesive and compound resistance Combustion agent;Described composite flame-retardant agent includes kieselguhr, titanium dioxide, melamine phosphate and Firebrake ZB.Raw material according to the present invention Compatibility, not only increases the anti-flammability of fibre board, also will not destroy its mechanical property, makes fibre board have excellent intensity, resistance concurrently The performances such as combustion, protection against the tide and regulation indoor humidity, can better meet practical application;In addition, the fibre board of the application also has Except formaldehyde, purify air and antiseptic property, very environmental protection, can preferably improve the quality of life of people.
Specific embodiment
The invention provides a kind of fibre board, including wood fibre base material, adhesive and composite flame-retardant agent;Described compound resistance Combustion agent includes kieselguhr, titanium dioxide, melamine phosphate and Firebrake ZB.
In the present invention, described fibre board includes wood fibre base material, and described wood fibre base material is made up of the wood fiber, is The base material of fibre board.In the present invention, in described wood fibre base material, the length of the wood fiber is preferably 2~5mm.In the present invention, institute The moisture content stating the wood fiber in wood fibre base material is preferably 5%~10%, more preferably 6%~8%.Wood using the present invention Matter fiber base material can improve the quality of fibre board, make fibre board uniform ground, be difficult bubbling.
In the present invention, described fibre board includes composite flame-retardant agent;Described composite flame-retardant agent includes kieselguhr, titanium dioxide Titanium, melamine phosphate and Firebrake ZB.In the present invention, the mass fraction that described kieselguhr accounts for described wood fibre base material dry weight is excellent Elect 5%~15%, more preferably 5%~8% as.In the present invention, it is excellent that described titanium dioxide accounts for described diatomaceous mass fraction Elect 10%~30%, more preferably 20%~30% as.In the present invention, described melamine phosphate accounts for described wood fibre base material The mass fraction of dry weight is preferably 2%~10%, more preferably 4%~6%.In the present invention, described Firebrake ZB accounts for described wooden The mass fraction of fiber base material dry weight is preferably 2%~10%, more preferably 4%~6%.The present invention is to described kieselguhr, phosphorus The source of sour tripolycyanamide and Firebrake ZB is not particularly limited, commercial goods as using it, and wherein, titanium dioxide is Catalyst titanium dioxide.Kieselguhr, titanium dioxide, melamine phosphate and Firebrake ZB are arranged in pairs or groups by the present invention, form compound resistance Fire agent and be introduced in fibre board, the anti-flammability of fibre board can either be improved, also will not destroy the various physical mechanics properties of fibre board Can, overcome general fire retardant or composite fire retardant can destroy the defect of fibre board physical and mechanical property, solve this area Fire resistance and mechanical property are difficult to balance the problem being in harmonious proportion for a long time.
In the present invention, described fibre board includes adhesive;Described adhesive is preferably Lauxite, phenolic resin and different One or more of cyanate;In certain embodiments of the present invention, described adhesive can be Lauxite.Described gluing The source of agent is not particularly limited, using its general commercially available product.In the present invention, described adhesive accounts for described wood fibre base The mass fraction of material dry weight is 7%~16%, more preferably 10%~12%.Adhesive and wood fibre base using the present invention Material and composite flame-retardant agent collocation, are conducive to the intertexture of the wood fiber and the materials such as composite flame-retardant agent, obtain the fibre board of uniform in material.
In the present invention, described fibre board also includes paraffin;The mass fraction that described paraffin accounts for described adhesive is preferably 0.5%~2%, more preferably 0.5%~1.5%.The present invention is not particularly limited to the source of described paraffin, using this area Known to paraffin, such as can adopt its commercial goods.The present invention is easy to waterproof using paraffin and is controlled in wood fiber base material The moisture content of fiber, is conducive to preparing and being beneficial to obtain the fibre board of better quality of fibre board.
In the present invention, the density of described fibre board is preferably 0.55~0.88g/cm3, i.e. preferably medium density fiber Plate, makes fibre board not easy to crack.
The invention provides a kind of fibre board, including wood fibre base material, adhesive and composite flame-retardant agent;Described compound resistance Combustion agent includes kieselguhr, titanium dioxide, melamine phosphate and Firebrake ZB.According to the material combination of the present invention, not only increase The anti-flammability of fibre board, also will not destroy its mechanical property, make fibre board have excellent intensity, fire-retardant, moistureproof and regulation room concurrently The performances such as interior humidity, can better meet practical application;In addition, the fibre board of the application also has except formaldehyde, purify air And antiseptic property, very environmental protection, can preferably improve the quality of life of people.Test result indicate that:The fibre that the present invention provides Dimension plate has excellent fire resistance, and flame retardant rating reaches more than B1 level, and meanwhile, its every physical and mechanical property includes quiet Qu Qiang Degree, elastic modelling quantity, internal bond strength and thickness swelling rate all reach《GB/T11718-2009》In index request;Separately Outward, the fibre board burst size of methanal≤9mg/100g of the present invention, reaches E1Level environment-friendly sheet standard.
Present invention also offers a kind of preparation method of fibre board described in technique scheme, comprise the following steps:
A) by the mixture forming of wood fibre base material, adhesive and composite flame-retardant agent, obtain fibre mat;
B) by described fibre mat hot pressing, obtain fibre board.
In the present invention, the species of described wood fibre base material, adhesive and composite flame-retardant agent, consumption and source and above-mentioned skill Art scheme is consistent, and this is no longer going to repeat them.
According to the present invention, first by the mixture forming of wood fibre base material, adhesive and composite flame-retardant agent, obtain fiber Slab.
In the present invention, need before molding to provide the mixture of wood fibre base material, adhesive and composite flame-retardant agent, according to this In field, conventional procedure for preparation prepares raw mixture, such as can obtain via following procedure for preparation:(1) provide fiber former Material.The branch of material storage yard or forest Litter are transported to by feed conveyer by loader, by human assistance feeding, through belt Send into, after transport and metal detection, the wood chip that wood chipping equipment is whittled into certain specification, and according to the classification storage of soft or hard material.Recycle screening Machine screens to the wood chip obtaining, and accepted chips sends into next procedure, and bulk wood chip and chip are screened out, the bulk wood screening out Piece can be re-fed into screening machine after crusher in crushing and be screened, and chip can to deliver to reject bin standby as boiler oil. (2) allocate mixture.By the accepted chips preheating of screening in a upper operation, and send into steaming and decocting softening in steaming and decocting cylinder, after softening Defibrator sent into by wood chip, and puts into defibrator in the lump after paraffin is melted and carry out defibrator process together with wood chip, isolates certain length Fiber;During defibrator process, adhesive and composite flame-retardant agent are added in the drainage conduit of defibrator, the fiber being gone out with defibrator process is mixed Close, and be dried using pipeline drying machine, in the present invention, the temperature of described drying is preferably 280~300 DEG C, dried medium It is preferably heat smoke;Drying machine is provided with attemperating unit, moisture content detector and spark detection automatic fire extinguisher it is ensured that fiber is done Drying quality and production safety.In the present invention, after drying, the moisture content preferably controlling the wood fiber is 5%~10%.Drying finishes Afterwards, can be sorted using separator, the material and powder that have micelle be separated, you can obtain wood fibre base material, glue Stick and the homogeneous mixture of composite flame-retardant agent, are passed to feed bin stored for future use.
In the present invention, after the mixture of wood fibre base material, adhesive and composite flame-retardant agent is provided, carries out molding, obtain Fibre mat.The mode of described molding is not particularly limited, using molding mode conventional in the art, such as can will be above-mentioned Mixed material is paved into continuous slab band in plate blank conveyer and carries out molding, thus obtaining fibre board by forming machine of mating formation Base.
According to the present invention, after obtaining fibre mat, fibre mat hot pressing obtains fibre board.In the present invention, obtain fine After dimension slab, preferably first carry out precompressed, and detect through longitudinal edging and metal detector, qualified slab is re-fed into hot press and enters Row hot pressing, after hot pressing, obtains fibre board.In the present invention, the temperature of described hot pressing is preferably 160~180 DEG C;Described hot pressing Pressure is preferably 14~17MPa;The time of described hot pressing is preferably 240~300S.In the present invention, after hot pressing, preferably also carry out The post processings such as cooling, cutting edge, sanding.
The research and development of fibre board of the present invention are conducive to comprehensive utilization of resources, and forest zone three is remained thing as raw material by it, are to save money Source and the effective behave preserved the ecological environment, increased new fibreboard product species for this area simultaneously, are beneficial to meet day The enhanced market demand of benefit, and, the fibre board of the present invention can improve anti-flammability on the basis of ensureing basic mechanical performance Can, overcome in this area long-term since mechanical property and fire resistance be difficult to the defect that balances, gained fibre board can be applied In Furniture manufacture, construction wall material, interior decoration decorative material and floor base material etc..
For a further understanding of the present invention, with reference to embodiment, the preferred embodiment of the invention is described, but It should be appreciated that these descriptions are simply to further illustrate the features and advantages of the present invention, rather than to the claims in the present invention Limit.
Embodiment 1
Inferior timber (artificial fast growing wood, undersized log, logging residue and industrial wood waste) is closed through chipping, screening Semen Erythrophlei fourdii piece;Send into defibrator after preheated for accepted chips, steaming and decocting is softened, and put into defibrator in the lump after paraffin is melted and carry out Defibrator process, isolates the fiber that length is 2~5mm;During defibrator process, by Lauxite and composite flame-retardant agent (kieselguhr, titanium dioxide Titanium, melamine phosphate and Firebrake ZB) add in the drainage conduit of defibrator, mix with the fiber that defibrator process goes out, and utilize pipeline Drying machine is dried, and baking temperature is 280 DEG C, and after being dried, the moisture content of the wood fiber is 5%;Drying finishes, using separator The material and powder that have micelle are separated, obtains qualified wood fibre base material, adhesive and the composite flame-retardant agent of comprising Mixture.Using forming machine by this mixture forming, obtain fibre mat.By fibre mat temperature be 160 DEG C, pressure be Hot pressing 300S under the hot pressing condition of 14MPa, hot pressing carries out nature and dries in the air plate cooling, cutting edge and sanding after finishing, obtain a length of 600mm, a width of 400mm, thickness is the fibre board of 6mm.
In preparation process, raw material dosage is as follows:Lauxite addition is the 10% of wood fibre base material dry weight, is combined resistance In combustion agent, diatomaceous addition is the 5% of wood fibre base material dry weight, titanium dioxide addition is diatomaceous 20%, phosphorus Sour tripolycyanamide addition is the 4% of wood fibre base material dry weight, and boric acid Zinc supplementation is the 6% of wood fibre base material dry weight, Paraffin addition is the 1% of adhesive weight.
Fire resistance to gained fibre board and every physical and mechanical property etc. detect, testing result is shown in Table 1.
Embodiment 2
Inferior timber (artificial fast growing wood, undersized log, logging residue and industrial wood waste) is closed through chipping, screening Semen Erythrophlei fourdii piece;Send into defibrator after preheated for accepted chips, steaming and decocting is softened, and put into defibrator in the lump after paraffin is melted and carry out Defibrator process, isolates the fiber that length is 2~5mm;During defibrator process, by Lauxite and composite flame-retardant agent (kieselguhr, titanium dioxide Titanium, melamine phosphate and Firebrake ZB) add in the drainage conduit of defibrator, mix with the fiber that defibrator process goes out, and utilize pipeline Drying machine is dried, and baking temperature is 290 DEG C, and after being dried, the moisture content of the wood fiber is 8%;Drying finishes, using separator The material and powder that have micelle are separated, obtains qualified wood fibre base material, adhesive and the composite flame-retardant agent of comprising Mixture.Using forming machine by this mixture forming, obtain fibre mat.By fibre mat temperature be 170 DEG C, pressure be Hot pressing 260S under the hot pressing condition of 15MPa, hot pressing carries out nature and dries in the air plate cooling, cutting edge and sanding after finishing, obtain a length of 2440mm, a width of 1220mm, thickness is the fibre board of 6mm.
In preparation process, raw material dosage is as follows:Lauxite addition is the 11% of wood fibre base material dry weight, is combined resistance In combustion agent, diatomaceous addition is the 10% of wood fibre base material dry weight, titanium dioxide addition is diatomaceous 25%, phosphorus Sour tripolycyanamide addition is the 4% of wood fibre base material dry weight, and boric acid Zinc supplementation is the 4% of wood fibre base material dry weight, Paraffin addition is the 0.5% of adhesive weight.
Fire resistance to gained fibre board and every physical and mechanical property etc. detect, testing result is shown in Table 1.
Embodiment 3
Inferior timber (artificial fast growing wood, undersized log, logging residue and industrial wood waste) is closed through chipping, screening Semen Erythrophlei fourdii piece;Send into defibrator after preheated for accepted chips, steaming and decocting is softened, and put into defibrator in the lump after paraffin is melted and carry out Defibrator process, isolates the fiber that length is 2~5mm;During defibrator process, by Lauxite and composite flame-retardant agent (kieselguhr, titanium dioxide Titanium, melamine phosphate and Firebrake ZB) add in the drainage conduit of defibrator, mix with the fiber that defibrator process goes out, and utilize pipeline Drying machine is dried, and baking temperature is 300 DEG C, and after being dried, the moisture content of the wood fiber is 10%;Drying finishes, using sorting The material and powder that have micelle are separated by machine, obtain qualified comprising wood fibre base material, adhesive and composite flame-retardant agent Mixture.Using forming machine by this mixture forming, obtain fibre mat.By fibre mat temperature be 180 DEG C, pressure be Hot pressing 240S under the hot pressing condition of 17MPa, hot pressing carries out nature and dries in the air plate cooling, cutting edge and sanding after finishing, obtain a length of 600mm, a width of 400mm, thickness is the fibre board of 6mm.
In preparation process, raw material dosage is as follows:Lauxite addition is the 12% of wood fibre base material dry weight, is combined resistance In combustion agent, diatomaceous addition is the 15% of wood fibre base material dry weight, titanium dioxide addition is diatomaceous 30%, phosphorus Sour tripolycyanamide addition is the 6% of wood fibre base material dry weight, and boric acid Zinc supplementation is the 2% of wood fibre base material dry weight, Paraffin addition is the 1.5% of adhesive weight.
Fire resistance to gained fibre board and every physical and mechanical property etc. detect, testing result is shown in Table 1.
Comparative example 1~4
On the basis of embodiment 1, only the kieselguhr in composite flame-retardant agent is retained, and by remaining in composite flame-retardant agent Component is rejected, as comparative example 1.
On the basis of embodiment 1, only the titanium dioxide component in composite flame-retardant agent is retained, and by composite flame-retardant agent Remaining component reject, as comparative example 2.
On the basis of embodiment 1, only the melamine phosphate component in composite flame-retardant agent is retained, and by composite flame-proof Remaining component in agent is rejected, as comparative example 3.
On the basis of embodiment 1, only the Firebrake ZB component in composite flame-retardant agent is retained, and by composite flame-retardant agent Remaining component is rejected, as comparative example 4.
According to GB《GB/T11718-2009》The properties of comparative example 1~4 gained fibre board are detected, result Display, the MOR of comparative example 1~4 gained fibre board, elastic modelling quantity, internal bond strength and thickness swelling rate all reach not Arrive《GB/T11718-2009》Standard require;In addition, the fire resistance of comparative example 1~4 gained fibre board does not all reach《GB/ T18958-2013》The fire retardant B level of regulation, burst size of methanal does not reach《GB18580-2001》The E of regulation1Level.
Comparative example 5
Inferior timber (artificial fast growing wood, undersized log, logging residue and industrial wood waste) is closed through chipping, screening Semen Erythrophlei fourdii piece;Send into defibrator after preheated for accepted chips, steaming and decocting is softened, and put into defibrator in the lump after paraffin is melted and carry out Defibrator process, isolates the fiber that length is 2~5mm;During defibrator process, by Lauxite and composite flame-retardant agent (kieselguhr, titanium dioxide Titanium and Firebrake ZB) add in the drainage conduit of defibrator, mix with the fiber that defibrator process goes out, and done using pipeline drying machine Dry, baking temperature is 280 DEG C, and after being dried, the moisture content of the wood fiber is 5%;Drying finishes, and will have the thing of micelle using separator Material and powder are separated, and obtain the qualified mixture comprising wood fibre base material, adhesive and composite flame-retardant agent.Using becoming Type machine, by this mixture forming, obtains fibre mat.By fibre mat temperature be 160 DEG C, pressure be 14MPa hot pressing condition Lower hot pressing 240S, hot pressing carries out nature and dries in the air plate cooling, cutting edge and sanding after finishing, obtain a length of 600mm, a width of 400mm, thickness Fibre board for 6mm.
In preparation process, raw material dosage is as follows:Lauxite addition is the 10% of wood fibre base material dry weight, is combined resistance In combustion agent, diatomaceous addition is the 5% of wood fibre base material dry weight, titanium dioxide addition is diatomaceous 20%, boron Sour Zinc supplementation is the 6% of wood fibre base material dry weight, and paraffin addition is the 1% of adhesive weight.
Fire resistance to gained fibre board and every physical and mechanical property etc. detect, testing result is shown in Table 1.
Comparative example 6
Inferior timber (artificial fast growing wood, undersized log, logging residue and industrial wood waste) is closed through chipping, screening Semen Erythrophlei fourdii piece;Send into defibrator after preheated for accepted chips, steaming and decocting is softened, and put into defibrator in the lump after paraffin is melted and carry out Defibrator process, isolates the fiber that length is 2~5mm;During defibrator process, by Lauxite and composite flame-retardant agent (kieselguhr, titanium dioxide Titanium and melamine phosphate) add in the drainage conduit of defibrator, mix with the fiber that defibrator process goes out, and entered using pipeline drying machine Row drying, baking temperature is 290 DEG C, and after being dried, the moisture content of the wood fiber is 8%;Drying finishes, and will have micelle using separator Material and powder separate, obtain the qualified mixture comprising wood fibre base material, adhesive and composite flame-retardant agent.Profit With forming machine by this mixture forming, obtain fibre mat.By fibre mat temperature be 170 DEG C, pressure be 15MPa hot pressing Under the conditions of hot pressing 260S, hot pressing carries out nature and dries in the air plate cooling, cutting edge and sanding after finishing, obtain a length of 2440mm, a width of 1220mm, thickness is the fibre board of 6mm.
In preparation process, raw material dosage is as follows:Lauxite addition is the 11% of wood fibre base material dry weight, is combined resistance In combustion agent, diatomaceous addition is the 10% of wood fibre base material dry weight, titanium dioxide addition is diatomaceous 25%, phosphorus Sour tripolycyanamide addition is the 4% of wood fibre base material dry weight, and paraffin addition is the 1.5% of adhesive weight.
Fire resistance to gained fibre board and every physical and mechanical property etc. detect, testing result is shown in Table 1.
Comparative example 7
Inferior timber (artificial fast growing wood, undersized log, logging residue and industrial wood waste) is closed through chipping, screening Semen Erythrophlei fourdii piece;Send into defibrator after preheated for accepted chips, steaming and decocting is softened, and put into defibrator in the lump after paraffin is melted and carry out Defibrator process, isolates the fiber that length is 2~5mm;During defibrator process, by Lauxite and composite flame-retardant agent (kieselguhr, tricresyl phosphate Poly cyanamid and Firebrake ZB) add in the drainage conduit of defibrator, mix with the fiber that defibrator process goes out, and carried out using pipeline drying machine It is dried, baking temperature is 280 DEG C, after being dried, the moisture content of the wood fiber is 5%;Drying finishes, and will have micelle using separator Material and powder are separated, and obtain the qualified mixture comprising wood fibre base material, adhesive and composite flame-retardant agent.Using Forming machine, by this mixture forming, obtains fibre mat.By fibre mat temperature be 160 DEG C, pressure be 14MPa hot pressing bar Hot pressing 270S under part, hot pressing carries out nature and dries in the air plate cooling, cutting edge and sanding after finishing, obtain a length of 600mm, a width of 400mm, thick Spend the fibre board for 6mm.
In preparation process, raw material dosage is as follows:Lauxite addition is the 10% of wood fibre base material dry weight, is combined resistance In combustion agent, diatomaceous addition is the 5% of wood fibre base material dry weight, melamine phosphate addition is wood fibre base material The 2% of dry weight, boric acid Zinc supplementation is the 6% of wood fibre base material dry weight, and paraffin addition is the 1% of adhesive weight.
Fire resistance to gained fibre board and every physical and mechanical property etc. detect, testing result is shown in Table 1.
Comparative example 8
Inferior timber (artificial fast growing wood, undersized log, logging residue and industrial wood waste) is closed through chipping, screening Semen Erythrophlei fourdii piece;Send into defibrator after preheated for accepted chips, steaming and decocting is softened, and put into defibrator in the lump after paraffin is melted and carry out Defibrator process, isolates the fiber that length is 2~5mm;During defibrator process, by Lauxite and composite flame-retardant agent (kieselguhr and dioxy Change titanium) add in the drainage conduit of defibrator, mix with the fiber that defibrator process goes out, and be dried using pipeline drying machine, be dried Temperature is 300 DEG C, and after being dried, the moisture content of the wood fiber is 10%;Drying finishes, and will have material and the powder of micelle using separator End is separated, and obtains the qualified mixture comprising wood fibre base material, adhesive and composite flame-retardant agent.Will using forming machine This mixture forming, obtains fibre mat.By fibre mat temperature be 180 DEG C, pressure be 17MPa hot pressing condition under hot pressing 250S, hot pressing carries out nature and dries in the air plate cooling, cutting edge and sanding after finishing, obtain a length of 600mm, a width of 400mm, thickness is 6mm Fibre board.
In preparation process, raw material dosage is as follows:Lauxite addition is the 12% of wood fibre base material dry weight, is combined resistance In combustion agent, diatomaceous addition is the 15% of wood fibre base material dry weight, titanium dioxide addition is diatomaceous 30%, stone Wax addition is the 2% of adhesive weight.
Fire resistance to gained fibre board and every physical and mechanical property etc. detect, testing result is shown in Table 1.
The performance test results of the fibre board of table 1 embodiment of the present invention 1~3 and comparative example 5~8 preparation
As seen from the above embodiment, the fibre board that the present invention provides not only has excellent fire resistance, also will not destroy Every mechanical property of fibre board, meets related mechanics standard and requires, enable fibre board on the basis of meeting mechanical property Improve fire resistance, in addition, the burst size of methanal of fibre board is relatively low, reach E1Level environment-friendly sheet standard.
The explanation of above example is only intended to help and understands the method for the present invention and its core concept.To these embodiments Multiple modifications will be apparent from for those skilled in the art, generic principles defined herein is permissible Without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will not be limited In the embodiments shown herein, and it is to fit to the wide model consistent with principles disclosed herein and features of novelty Enclose.

Claims (10)

1. a kind of fibre board is it is characterised in that include wood fibre base material, adhesive and composite flame-retardant agent;Described composite flame-proof Agent includes kieselguhr, titanium dioxide, melamine phosphate and Firebrake ZB.
2. fibre board according to claim 1 it is characterised in that in described wood fibre base material the wood fiber length be 2 ~5mm.
3. fibre board according to claim 1 and 2 it is characterised in that in described wood fibre base material the wood fiber aqueous Rate is 5%~10%.
4. fibre board according to claim 1 is it is characterised in that described kieselguhr accounts for described wood fibre base material dry weight Mass fraction is 5%~15%;
It is 10%~30% that described titanium dioxide accounts for described diatomaceous mass fraction;
The mass fraction that described melamine phosphate accounts for described wood fibre base material dry weight is 2%~10%;
The mass fraction that described Firebrake ZB accounts for described wood fibre base material dry weight is 2%~10%.
5. fibre board according to claim 1 is it is characterised in that described adhesive is Lauxite, phenolic resin and different One or more of cyanate.
6. according to claim 1 or 5 fibre board it is characterised in that described adhesive account for described wood fibre base material do The mass fraction of weight is 7%~16%.
7. fibre board according to claim 1 is it is characterised in that also include paraffin;
The mass fraction that described paraffin accounts for described adhesive is 0.5%~2%.
8. fibre board according to claim 1 is it is characterised in that the density of described fibre board is 0.55~0.88g/cm3.
9. the preparation method of the fibre board according to any one of claim 1~8 is it is characterised in that comprise the following steps:
A) by the mixture forming of wood fibre base material, adhesive and composite flame-retardant agent, obtain fibre mat;
B) by described fibre mat hot pressing, obtain fibre board.
10. preparation method according to claim 9 is it is characterised in that described step B) in, the temperature of described hot pressing is 160~180 DEG C, pressure is 14~17MPa.
CN201610989231.9A 2016-11-10 2016-11-10 Fiber plate and manufacturing method thereof CN106426497A (en)

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