CN107523249A - Multiphase composite flame-proof resin and preparation method thereof - Google Patents
Multiphase composite flame-proof resin and preparation method thereof Download PDFInfo
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- CN107523249A CN107523249A CN201710560022.7A CN201710560022A CN107523249A CN 107523249 A CN107523249 A CN 107523249A CN 201710560022 A CN201710560022 A CN 201710560022A CN 107523249 A CN107523249 A CN 107523249A
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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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J161/00—Adhesives based on condensation polymers of aldehydes or ketones; Adhesives based on derivatives of such polymers
- C09J161/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C09J161/30—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic and acyclic or carbocyclic compounds
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- 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
- B27N1/00—Pretreatment of moulding material
- B27N1/02—Mixing the material with binding agent
- B27N1/0209—Methods, e.g. characterised by the composition of the agent
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
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- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
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- C08G12/00—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C08G12/02—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes
- C08G12/26—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds
- C08G12/34—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds and acyclic or carbocyclic compounds
- C08G12/36—Ureas; Thioureas
- C08G12/38—Ureas; Thioureas and melamines
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- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
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- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
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- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
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- 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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- 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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- 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
- C08K2003/3045—Sulfates
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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
- C08K2003/3045—Sulfates
- C08K2003/3063—Magnesium sulfate
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/02—Heterophasic composition
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Abstract
Multiphase composite flame-proof resin of the present invention and preparation method thereof, wherein, the preparation method of multiphase composite flame-proof resin of the invention includes：Synthesize flame-retarded resin component A；Synthesize reinforcing agent B component；Synthesize C resins；Flame-retarded resin component A, reinforcing agent B component, C resins are mixed, obtain multiphase composite flame-proof resin, flame-retarded resin component A, reinforcing agent B component, the mass ratio of C resins are 2~3：3：2.The multiphase composite flame-proof resin of the present invention includes：Flame-retarded resin component A；Reinforcing agent B component；C resins；Flame-retarded resin component A, reinforcing agent B component, the mass ratio of C resins are 2~3：3：2.The utilization of the novel multi-phase compound resin of the present invention then effectively reduces VOC release, and has reached good flame retardant effect.
Description
Technical field
The present invention relates to the composition of high-molecular compound, more particularly to a kind of multiphase composite flame-proof resin and its preparation
Method.
Background technology
VOC is VOC, has more than 100 kinds in general indoor environment, wherein common are first
Aldehyde, benzene,toluene,xylene, o-dichlorobenzene etc., there is tremendous influence to health.When the VOC in room reaches finite concentration
When, people can feel headache, Nausea and vomiting, weak etc. in the short time, twitch, stupor occur when serious, and can hurt people
Liver, kidney, brain and nervous system, cause the serious consequences such as failure of memory.
Main material of the wood-based plate as interior decoration, it is an indoor VOC main source.Wood-based plate be with timber,
Wood chip, particle, wood shavings and its industrial wood waste are raw material, the artificial board to process from strand.Wood-based plate is in working process, stacking
And its all can be different degrees of during use release VOC.It is the root for reducing VOC releases from Sources controlling using innovative material
This method.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of compound resistance of multiphase that can effectively reduce wood-based plate VOC releases
Fire resin and preparation method thereof.
The preparation method of the multiphase composite flame-proof resin of the present invention, including：
Synthesize flame-retarded resin component A；
Synthesize reinforcing agent B component；
Synthesize C resins；
Flame-retarded resin component A, reinforcing agent B component, C resins are mixed, obtain multiphase composite flame-proof resin, it is described
Flame-retarded resin component A, the reinforcing agent B component, the mass ratio of the C resins are 2~3：3：2.
The preparation method of the multiphase composite flame-proof resin of the present invention, wherein, the synthetic method of flame-retarded resin component A is：Will
Melamine once adds the glyoxal solution that mass concentration is 40%, is that 30% sodium hydroxide adjusts pH=with mass concentration
6.5~8.5,0.5~2.5 hour is incubated at 75~85 DEG C, insulation adds ammonium phosphate and dicyandiamide, insulation for the first time after terminating
1.0~2.0 hours, it is cooled to 55~65 DEG C and adds remaining ammonium phosphate and mass concentration as 28% ammoniacal liquor, be incubated 30~60 points
Cool after clock, be down to 40 DEG C by depressurizing spray-drying installation powder, the amount of material compares glyoxal：Melamine：Dicyandiamide：Phosphorus
Sour ammonium：Ammoniacal liquor=3.0~3.5：1.5~2.0：0.3~0.8：1.0~1.5：0.1~0.5, the ammonium phosphate added for the first time accounts for
The mass ratio 50~70% of ammonium phosphate total amount.
The preparation method of the multiphase composite flame-proof resin of the present invention, wherein, the preparation method of the reinforcing agent B component is：
Successively by montmorillonite, methenamine, attapulgite, crushed crude pearlite, magnesium chloride powder, magnesia powder, sulfuric acid magnesium powder, sulfuric acid calcium powder,
Light calcium powder is added in closed ribbon mixer, is stirred 20~50 minutes, the montmorillonite, methenamine, attapulgite, treasure
Pearl rock dust, magnesium chloride powder, magnesia powder, sulfuric acid magnesium powder, sulfuric acid calcium powder, the mass ratio of light calcium powder are：10~30：10~30：
10~30：10~60：0~60：0~60：0~60：0~60：0~60.
The preparation method of the multiphase composite flame-proof resin of the present invention, wherein, the preparation method of the C resins is：Successively will
Thiocarbamide, sodium peroxydisulfate, polyvinyl alcohol, sodium carboxymethylcellulose are added into water, are warming up to 60~90 DEG C, are reacted 1~3 hour,
Logical cooling water temperature, is down to less than 35 DEG C, thiocarbamide, sodium peroxydisulfate, polyvinyl alcohol, sodium carboxymethylcellulose, the mass ratio of water are：
15~30：1~10：0.5~10：1~10：60~80.
The preparation method of the multiphase composite flame-proof resin of the present invention, wherein, the preparation method of the C resins is：Successively will
Urea, resorcinol, polyvinyl alcohol, sodium carboxymethylcellulose are added into water, are warming up to 60~90 DEG C, are reacted 1~3 hour,
Logical cooling water temperature, is down to less than 35 DEG C, urea, resorcinol, polyvinyl alcohol, sodium carboxymethylcellulose, the mass ratio of water are：
15~30：1~10：0.5~10：1~10：60~80.
The multiphase composite flame-proof resin of the present invention, including：
Flame-retarded resin component A；
Reinforcing agent B component；
C resins；
The flame-retarded resin component A, the reinforcing agent B component, the mass ratio of the C resins are 2~3：3：2.
The utilization of novel multi-phase compound resin of the present invention then effectively reduces VOC release, and has reached good
Flame retardant effect.
Embodiment
The preparation method of the multiphase composite flame-proof resin of the present invention, including：
Synthesize flame-retarded resin component A；
Synthesize reinforcing agent B component；
Synthesize C resins；
Flame-retarded resin component A, reinforcing agent B component, C resins are mixed, obtain multiphase composite flame-proof resin, it is described
Flame-retarded resin component A, the reinforcing agent B component, the mass ratio of the C resins are 2~3：3：2.
The preparation method of the multiphase composite flame-proof resin of the present invention, wherein, the synthetic method of flame-retarded resin component A is：Will
Melamine once adds the glyoxal solution that mass concentration is 40%, is that 30% sodium hydroxide adjusts pH=with mass concentration
6.5~8.5,0.5~2.5 hour is incubated at 75~85 DEG C, insulation adds ammonium phosphate and dicyandiamide, insulation for the first time after terminating
1.0~2.0 hours, it is cooled to 55~65 DEG C and adds remaining ammonium phosphate and mass concentration as 28% ammoniacal liquor, be incubated 30~60 points
Cool after clock, be down to 40 DEG C by depressurizing spray-drying installation powder, the amount of material compares glyoxal：Melamine：Dicyandiamide：Phosphorus
Sour ammonium：Ammoniacal liquor=3.0~3.5：1.5~2.0：0.3~0.8：1.0~1.5：0.1~0.5, the ammonium phosphate added for the first time accounts for
The mass ratio 50~70% of ammonium phosphate total amount.
The preparation method of the multiphase composite flame-proof resin of the present invention, wherein, the preparation method of the reinforcing agent B component is：
Successively by montmorillonite, methenamine, attapulgite, crushed crude pearlite, magnesium chloride powder, magnesia powder, sulfuric acid magnesium powder, sulfuric acid calcium powder,
Light calcium powder is added in closed ribbon mixer, is stirred 20~50 minutes, the montmorillonite, methenamine, attapulgite, treasure
Pearl rock dust, magnesium chloride powder, magnesia powder, sulfuric acid magnesium powder, sulfuric acid calcium powder, the mass ratio of light calcium powder are：10~30：10~30：
10~30：10~60：0~60：0~60：0~60：0~60：0~60.
The preparation method of the multiphase composite flame-proof resin of the present invention, wherein, the preparation method of the C resins is：Successively will
Thiocarbamide, sodium peroxydisulfate, polyvinyl alcohol, sodium carboxymethylcellulose are added into water, are warming up to 60~90 DEG C, are reacted 1~3 hour,
Logical cooling water temperature, is down to less than 35 DEG C, thiocarbamide, sodium peroxydisulfate, polyvinyl alcohol, sodium carboxymethylcellulose, the mass ratio of water are：
15~30：1~10：0.5~10：1~10：60~80.
The preparation method of the multiphase composite flame-proof resin of the present invention, wherein, the preparation method of the C resins is：Successively will
Urea, resorcinol, polyvinyl alcohol, sodium carboxymethylcellulose are added into water, are warming up to 60~90 DEG C, are reacted 1~3 hour,
Logical cooling water temperature, is down to less than 35 DEG C, urea, resorcinol, polyvinyl alcohol, sodium carboxymethylcellulose, the mass ratio of water are：
15~30：1~10：0.5~10：1~10：60~80.
The multiphase composite flame-proof resin of the present invention, including：
Flame-retarded resin component A；
Reinforcing agent B component；
C resins；
The flame-retarded resin component A, the reinforcing agent B component, the mass ratio of the C resins are 2~3：3：2.
Embodiment of the multiphase composite flame-proof resin of the present invention in Fibreboard Production is as follows：
Using the preparation method of the fiberboard of the multiphase composite flame-proof resin of the present invention, including：
Wood chip is mixed with bamboo fibre, the mass ratio of bamboo fibre and wood chip is 0.05：1 to 0.3：In the range of 1, Ran Houjin
Row boiling, cooking pressure keep 0.60~0.90MPa, digestion time 5~8 minutes；
Wood chip enters defibrator solution fibre with bamboo fibre after boiling, obtains composite fibre, grinds the pressure of room less than boiling cylinder
Pressure 0.05-0.1MPa；
Composite fibre after grinding applies C resins, applies flame-retarded resin component A and reinforcing agent B component when drying；
The mass percent 15~30% for the composite fibre that the applied amount of the flame-retarded resin component A is accounted for after drying process,
The mass percent 15~30% for the composite fibre that the addition of the reinforcing agent B component is accounted for after drying process, the addition of C resins
The mass percent 10~20% for the composite fibre that amount is accounted for after drying process；
60~120 DEG C of forced air dryings simultaneously keep its moisture content to carry out shaping of mating formation, be hot pressed into fiberboard 14~20%；
The hot pressing temperature during hot pressing is 160~200 DEG C, 1.5~4.0MPa of hot pressing pressure, 10~30s/mm of pressing cycle.
Using the preparation method of the fiberboard of the multiphase composite flame-proof resin of the present invention, wherein, the conjunction of flame-retarded resin component A
It is into method：Melamine is once added to the glyoxal solution that mass concentration is 40%, is 30% hydroxide with mass concentration
Sodium adjust pH=6.5~8.5, be incubated 0.5~2.5 hour at 75~85 DEG C, insulation terminate after for the first time add ammonium phosphate with
Dicyandiamide, 1.0~2.0 hours are incubated, are cooled to 55~65 DEG C and add remaining ammonium phosphate and mass concentration as 28% ammoniacal liquor, protect
Temperature cools after 30~60 minutes, is down to 40 DEG C by depressurizing spray-drying installation powder, the amount of material compares glyoxal：Melamine
Amine：Dicyandiamide：Ammonium phosphate：Ammoniacal liquor=3.0~3.5：1.5~2.0：0.3~0.8：1.0~1.5：0.1~0.5, add for the first time
The ammonium phosphate entered accounts for the mass ratio 50~70% of ammonium phosphate total amount.
Using the preparation method of the fiberboard of the multiphase composite flame-proof resin of the present invention, wherein, the reinforcing agent B component
Preparation method is：Successively by montmorillonite, methenamine, attapulgite, crushed crude pearlite, magnesium chloride powder, magnesia powder, magnesium sulfate
Powder, sulfuric acid calcium powder, light calcium powder are added in closed ribbon mixer, are stirred 20~50 minutes, the montmorillonite, Wu Luotuo
Product, attapulgite, crushed crude pearlite, magnesium chloride powder, magnesia powder, sulfuric acid magnesium powder, sulfuric acid calcium powder, the mass ratio of light calcium powder are：
10~30：10~30：10~30：10~60：0~60：0~60：0~60：0~60：0~60.
Using the present invention multiphase composite flame-proof resin fiberboard preparation method, wherein, the preparation of the C resins
Method is：Thiocarbamide, sodium peroxydisulfate, polyvinyl alcohol, sodium carboxymethylcellulose are added into water successively, are warming up to 60~90 DEG C,
Reaction 1~3 hour, lead to cooling water temperature, be down to less than 35 DEG C, thiocarbamide, sodium peroxydisulfate, polyvinyl alcohol, sodium carboxymethylcellulose,
The mass ratio of water is：15~30：1~10：0.5~10：1~10：60~80.
Using the fiberboard of the multiphase composite flame-proof resin of the present invention, including：
Composite fibre, including bamboo fibre and wood-fibred；
Flame-retarded resin component A；
Reinforcing agent B component；
C resins；
The amount of the flame-retarded resin component A accounts for the mass percent 15~30% of composite fibre, the reinforcing agent B component
The mass percent 15~30% for the composite fibre that addition is accounted for after drying process, after the additions of C resins accounts for drying process
The mass percent 10~20% of composite fibre.
Eucalyptus piece or poplar piece are selected as primary raw material using the fiberboard of the multiphase composite flame-proof resin of the present invention, and
Add bamboo fibre and substitute a part of wood chip, defibrator process solution is fine after boiling is handled, and applies novel multi-phase compound resin and does adhesive, adopts
With 60~120 DEG C of forced air dryings, hot pressing after being molded of mating formation forms.The multiphase composite flame-proof resin TVOC gas contents of the present invention reach
To environmental standard HJ571-2010《Environmental labelling product authentication techniques require wood-based plate and its product》0.5mg/(m2* h) below
It is required that while also there is great commercial value with excellent protection against the tide, fire resistance.
Using the preparation method of the fiberboard of the multiphase composite flame-proof resin of the present invention, including：
(1) wood chip is washed, removes surface impurity；
(2) wood chip is mixed with bamboo fibre, wherein bamboo fibre weight accounts for the 5~30% of wood chip dry weight, then passes through belt
It is transported to boiling cylinder boiling, steam pressure is 0.60~0.90MPa in cylinder, digestion time 5~8 minutes；
(3) defibrator solution fibre is fully entered after boiling, the pressure for grinding room is less than the pressure 0.05-0.1MPa of boiling cylinder, leads to
Overpressure difference improves the grinding quality of fiber；
(4) fiber after grinding applies C resins, applies flame-retarded resin component A and enhancing at drying duct 1/2~2/3
Agent B component；
The applied amount of the flame-retarded resin component A with solids content account for over dry wood-fibred and bamboo fibre total amount 15~
30%, the addition of the reinforcing agent B component accounts for the addition of over dry wood-fibred and 15~30%, the C resins of bamboo fibre total amount
Account for the 10~20% of over dry wood-fibred and bamboo fibre total amount；
60~120 DEG C of forced air dryings simultaneously keep its moisture content to carry out shaping of mating formation, be hot pressed into fiberboard 14~20%；
The hot pressing temperature during hot pressing is 160~200 DEG C, 1.5~4.0MPa of hot pressing pressure, 10~30s/mm of pressing cycle.
Using the preparation method of the fiberboard of the multiphase composite flame-proof resin of the present invention, wherein, it is fire-retardant in the step (4)
The synthetic method of Resin A component is：40% glyoxal solution of metering, melamine are once added successively, with 30% hydrogen-oxygen
Change sodium regulation pH=6.5~8.5, be incubated 0.5~2.5 hour at 75~85 DEG C, insulation adds the first ammonium hypophosphite after terminating
(account for total amount 50~70%) and dicyandiamide, be incubated 1.0~2.0 hours, be cooled to 55~65 DEG C add remaining ammonium phosphate and
28% content ammoniacal liquor, insulation cool after 30~60 minutes, are down to 40 DEG C by depressurizing spray-drying installation powder.The amount ratio of material
Glyoxal：Melamine：Dicyandiamide：Ammonium phosphate：Ammoniacal liquor=3.0~3.5：1.5~2.0：0.3~0.8：1.0~1.5：0.1~
0.5。
Using the preparation method of the fiberboard of the multiphase composite flame-proof resin of the present invention, wherein, upper step (4) reinforcing agent B
The preparation method of component is：Successively by montmorillonite, methenamine, attapulgite, crushed crude pearlite, magnesium chloride powder, magnesia powder, sulphur
Several in sour magnesium powder, sulfuric acid calcium powder, light calcium powder are added in combination in closed ribbon mixer, and stirring is put after 20~50 minutes
Material, the mass ratio of above-mentioned raw materials are：10~30：10~30：10~30：10~60：0~60：0~60：0~60：0~60：0~
60。
Using the preparation method of the fiberboard of the multiphase composite flame-proof resin of the present invention, wherein, step (4) the C resins
Preparation method be：Thiocarbamide, sodium peroxydisulfate, polyvinyl alcohol, sodium carboxymethylcellulose are added into the water of metering successively, heated up
To 60~90 DEG C, react 1~3 hour, lead to cooling water temperature rapidly, be down to less than 35 DEG C blowings, thiocarbamide, sodium peroxydisulfate, poly- second
Enol, sodium carboxymethylcellulose, the mass ratio of water are：15~30：1~10：0.5~10：1~10：60~80.
The multiphase compound resin for applying the present invention prepares the flame retardant fibre plate of zero VOC release, by the addition of bamboo fibre,
Humidity resistance is significantly improved, and the utilization of novel multi-phase compound resin then effectively reduces VOC release, and reached good
Good flame retardant effect.
Using the preparation method of the fiberboard of the multiphase composite flame-proof resin of the present invention, comprise the following steps：
(1) wood chip is washed, removes surface impurity；
(2) wood chip is mixed with bamboo fibre, wherein bamboo fibre weight accounts for the 5~30% of wood chip dry weight, then passes through belt
It is transported to boiling cylinder boiling, steam pressure is 0.60~0.90MPa in cylinder, digestion time 5~8 minutes；
(3) defibrator solution fibre is fully entered after boiling, the pressure for grinding room is less than the pressure 0.05-0.1MPa of boiling cylinder, leads to
Overpressure difference improves the grinding quality of fiber；
(4) fiber after grinding applies C resins, applies flame-retarded resin component A and enhancing at drying duct 1/2~2/3
Agent B component；
The applied amount of the flame-retarded resin component A with solids content account for over dry wood-fibred and bamboo fibre total amount 15~
30%, the addition of the reinforcing agent B component accounts for the addition of over dry wood-fibred and 15~30%, the C resins of bamboo fibre total amount
Account for the 10~20% of over dry wood-fibred and bamboo fibre total amount；
60~120 DEG C of forced air dryings simultaneously keep its moisture content to carry out shaping of mating formation, be hot pressed into fiberboard 14~20%；
The hot pressing temperature during hot pressing is 160~200 DEG C, 1.5~4.0MPa of hot pressing pressure, 10~30s/mm of pressing cycle.
In order to reach superior technique effect, such scheme is more preferably：
In the step (1) obtained raw material wood chip of chipping is carried out from Eucalyptus, poplar or the mixture of the two.
The synthetic method of the flame-retarded resin component A is：Successively by 40% glyoxal solution of metering, melamine once
Add, adjust pH=6.5~8.5 with 30% sodium hydroxide, 0.5~2.5 hour is incubated at 75~85 DEG C, insulation adds after terminating
Enter the first ammonium hypophosphite (account for total amount 50~70%) and dicyandiamide, be incubated 1.0~2.0 hours, be cooled to 55~65 DEG C of additions
Remaining ammonium phosphate and 28% content ammoniacal liquor, insulation cool after 30~60 minutes, are down to 40 DEG C by depressurizing spray-drying installation system
Powder.The amount of material compares glyoxal：Melamine：Dicyandiamide：Ammonium phosphate：Ammoniacal liquor=3.0~3.5：1.5~2.0：0.3~0.8：
1.0~1.5：0.1~0.5.
The preparation method of the reinforcing agent B component is：Successively by montmorillonite, attapulgite, crushed crude pearlite, magnesium chloride powder,
Several in magnesia powder, sulfuric acid magnesium powder, sulfuric acid calcium powder, light calcium powder are added in combination in closed ribbon mixer, stirring 20
Blowing after~50 minutes.The mass ratio of above-mentioned raw materials is：10~30：10~30：10~60：0~60：0~60：0~60：0~
60：0~60.
The preparation method of the C resins is：Thiocarbamide, polyvinyl alcohol, sodium carboxymethylcellulose are added to metering successively
In water, 60~90 DEG C are warming up to, is reacted 1~3 hour, is led to cooling water temperature rapidly, be down to less than 35 DEG C blowings.Thiocarbamide, over cure
Sour sodium, polyvinyl alcohol, sodium carboxymethylcellulose, the mass ratio of water are：15~30：0.5~10：1~10：60~80.
Compared to prior art, technical scheme has following characteristic：
1st, multiphase compound resin of the invention is used as adhesive, and VOC is reduced from source, and gives sheet material well fire-retardant
Effect.
2nd, this product preparation technology is simple.
Embodiment 1
A kind of super multiphase composite flame-proof resin, suppress thickness 2.7mm, density 800kg/m3, take following steps to prepare：
(1) wood chip is washed, removes surface impurity；
(2) wood chip is mixed with bamboo fibre, wherein bamboo fibre weight accounts for the 30% of wood chip dry weight, then passes through Belt Conveying
To boiling cylinder boiling, steam pressure is 0.7MPa in cylinder, digestion time 8 minutes；
(3) defibrator solution fibre is fully entered after boiling, the pressure for grinding room is less than the pressure 0.08MPa of boiling cylinder, passes through pressure
Difference improves the grinding quality of fiber；
(4) fiber after grinding applies C resins, applies flame-retarded resin component A and enhancing at drying duct 1/2~2/3
Agent B component；
(amount of material compares glyoxal to the flame-retarded resin component A：Melamine：Dicyandiamide：Ammonium phosphate：Ammoniacal liquor=3.5：
1.8：0.6：1.3：0.4) applied amount accounts for the 20% of over dry wood-fibred and bamboo fibre total amount, the reinforcing agent B with solids content
(quality is than montmorillonite, attapulgite, crushed crude pearlite, magnesium chloride powder, magnesia powder, sulfuric acid magnesium powder, sulfuric acid calcium powder=5 for component：5：
20：20：20：20：10) addition accounts for 20%, the C resins of over dry wood-fibred and bamboo fibre total amount, and (quality compares thiocarbamide：Persulfuric acid
Sodium：Polyvinyl alcohol：Sodium carboxymethylcellulose：Water=20：2：3：5：70) addition accounts for over dry wood-fibred and bamboo fibre total amount
15%；
100 DEG C of forced air dryings simultaneously keep its moisture content to carry out shaping of mating formation, be hot pressed into fiberboard 16% or so；It is described
Hot pressing temperature during hot pressing is 180 DEG C, hot pressing pressure 3.5MPa, pressing cycle 50s.
Comparative example 1
A kind of formaldehyde-less fiber board of isocyanates manufacture, suppresses thickness 2.7mm, density 800kg/m3, take following steps
Prepare：
(1) long 40~60mm, wide 15~30mm, 2~6mm of the thickness net piece of log are washed, removes wood chip surface
The impurity such as silt.Wood chip after washing is pumped into pre-cooked cylinder by wood chip and carries out preliminarily softened, then passes through stopper spiral shell again
Boiling in boiling cylinder is delivered in rotation, further softening.Steam pressure in boiling cylinder is 0.70MPa, digestion time 4 minutes.
(2) chip steaming is fully fine into the mill room solution of defibrator afterwards, while toward the waterproofing agent of addition 1.2% in mill room.
The pressure for grinding room is less than the pressure about 0.01MPa of boiling cylinder, and the grinding quality of fiber is improved by pressure difference.
(3) fiber applies 10% isocyanates gluing agent (E-MDI), while adds and isocyanates gluing agent (E-
MDI) the inner pattern releasing agent applicable of isodose, dry and keep its moisture content to carry out shaping of mating formation 10% or so.Enter hot pressing through precompressed
Machine hot pressing, slab hot pressing form fiberboard.
Performance evaluation test is carried out to fiberboard made from embodiment 1 and comparative example 1, is as a result listed in table 1.
The embodiment 1 of table 1 and the fibreboard performance Indexes Comparison of comparative example 1
Note：By GB/T11718-2009 and HJ 571-2010 requirement.
The fiberboard items physical and chemical index of embodiment 1 reaches Standard, water sucting thickness expansion as seen from Table 1
Substantially reduced compared with the formaldehyde-less fiber board of comparative example 1, humidity resistance lifting is obvious；Formaldehyde, TVOC burst sizes reach even
Far below standard requirement, there is the premium properties of zero VOC release, be good environment-friendly materials.
The present invention breaks through the production technology of traditional fibre plate, is replaced using novel multi-phase Composite resin adhesive original gluing
Agent, effectively reduce VOC releases；Due to the introducing of bamboo fibre, the humidity resistance of fiberboard is remarkably improved.
Embodiment 2
A kind of super multiphase composite flame-proof resin, suppress thickness 7.8mm, density 780kg/m3, take following steps to prepare：
(1) wood chip is washed, removes surface impurity；
(2) wood chip is mixed with bamboo fibre, wherein bamboo fibre weight accounts for the 10% of wood chip dry weight, then passes through Belt Conveying
To boiling cylinder boiling, steam pressure is 0.60MPa in cylinder, digestion time 5 minutes；
(3) defibrator solution fibre is fully entered after boiling, the pressure for grinding room is less than the pressure 0.05MPa of boiling cylinder, passes through pressure
Difference improves the grinding quality of fiber；
(4) fiber after grinding applies C resins, applies flame-retarded resin component A and enhancing at drying duct 1/2~2/3
Agent B component, because after defibrator process solution fibre, the moisture content of fiber is very high, now if being directly added into flame-retarded resin component A and reinforcing agent
B component pulvis, it is likely that with fibrous caking, be unfavorable for the well mixed of each component, so when the fiber after grinding passes through one section
Between drying after, fiber moisture reaches appropriate amount 20~35% and starts to apply flame-retarded resin component A and reinforcing agent B groups
Point, (amount of material compares glyoxal to the flame-retarded resin component A：Melamine：Dicyandiamide：Ammonium phosphate：Ammoniacal liquor=3：1.5：0.6：
1.2：0.5) applied amount accounts for the 25% of over dry wood-fibred and bamboo fibre total amount, the reinforcing agent B component (quality with solids content
Than montmorillonite, attapulgite, magnesium chloride powder, magnesia powder, sulfuric acid magnesium powder, sulfuric acid calcium powder=10：15：20：20：20：15) plus
Enter amount to account for 20%, the C resins of over dry wood-fibred and bamboo fibre total amount (quality compares thiocarbamide：Sodium peroxydisulfate：Polyvinyl alcohol：Carboxymethyl
Sodium cellulosate：Water=20：2：3：3：72) addition accounts for the 10% of over dry wood-fibred and bamboo fibre total amount；
110 DEG C of forced air dryings simultaneously keep its moisture content to carry out shaping of mating formation, be hot pressed into fiberboard 17% or so；It is described
Hot pressing temperature during hot pressing is 200 DEG C, hot pressing pressure 3.3MPa, pressing cycle 90s.
Comparative example 2
A kind of ureaformaldehyde glue fibre board, suppress thickness 7.8mm, density 780kg/m3, take following steps to prepare：
(1) long 40-60mm, wide 15-30mm, thick the 2-6mm net piece of log are washed, removes the silt on wood chip surface
Deng impurity.Wood chip after washing is pumped into pre-cooked cylinder by wood chip and carries out preliminarily softened, is then sent again by cork screw
Boiling in boiling cylinder, further softening.Steam pressure in boiling cylinder is 0.75MPa, digestion time 4 minutes.
(2) chip steaming is fully fine into the mill room solution of defibrator afterwards, while toward the waterproofing agent of addition 1% in mill room.Mill
The pressure of room is less than the pressure about 0.01MPa of boiling cylinder, and the grinding quality of fiber is improved by pressure difference.
(3) fiber applies 11% urea-formaldehyde glue, while adds the inner pattern releasing agent applicable with urea-formaldehyde glue isodose, dries and keeps it
Moisture content carries out shaping of mating formation 11% or so.Enter hot press hot pressing through precompressed, slab hot pressing forms fiberboard.
Performance evaluation test is carried out to fiberboard made from embodiment 2 and comparative example 2, is as a result listed in table 2.
The embodiment 2 of table 2 and the fibreboard performance Indexes Comparison of comparative example 2
Note：By GB/T11718-2009 and HJ 571-2010 requirement.
The fiberboard items physical and chemical index of embodiment 2 reaches Standard, water sucting thickness expansion as seen from Table 2
Substantially reduced compared with the fiberboard of comparative example 2, humidity resistance lifting is obvious；Formaldehyde, TVOC burst sizes reach even remote low
In standard requirement, there is the premium properties of zero VOC release, be good environment-friendly materials.
The present invention breaks through the production technology of traditional fibre plate, is replaced using novel multi-phase Composite resin adhesive original gluing
Agent, effectively reduce VOC releases；Due to the introducing of bamboo fibre, the humidity resistance of fiberboard is remarkably improved.
Embodiment 3
A kind of super multiphase composite flame-proof resin, suppress thickness 12mm, density 720kg/m3, take following steps to prepare：
(1) wood chip is washed, removes surface impurity；
(2) wood chip is mixed with bamboo fibre, wherein bamboo fibre weight accounts for the 20% of wood chip dry weight, then passes through Belt Conveying
To boiling cylinder boiling, steam pressure is 0.7MPa in cylinder, digestion time 7 minutes；
(3) defibrator solution fibre is fully entered after boiling, the pressure for grinding room is less than the pressure 0.07MPa of boiling cylinder, passes through pressure
Difference improves the grinding quality of fiber；
(4) fiber after grinding applies C resins, applies flame-retarded resin component A and enhancing at drying duct 1/2~2/3
Agent B component；
(amount of material compares glyoxal to the flame-retarded resin component A：Melamine：Dicyandiamide：Ammonium phosphate：Ammoniacal liquor=3.4：
1.8：0.6：1.1：0.3) applied amount accounts for the 30% of over dry wood-fibred and bamboo fibre total amount, the reinforcing agent B with solids content
(quality compares montmorillonite to component：Crushed crude pearlite：Magnesium chloride powder：Magnesia powder：Sulfuric acid magnesium powder：Sulfuric acid calcium powder：Light calcium powder=5：
20：20：20：20：10：5) addition accounts for 15%, the C resins of over dry wood-fibred and bamboo fibre total amount, and (quality compares thiocarbamide：Over cure
Sour sodium：Polyvinyl alcohol：Sodium carboxymethylcellulose：Water=22：2：2：4：70) addition accounts for over dry wood-fibred and bamboo fibre total amount
15%；
110 DEG C of forced air dryings simultaneously keep its moisture content to carry out shaping of mating formation, be hot pressed into fiberboard 16% or so；It is described
Hot pressing temperature during hot pressing is 190 DEG C, hot pressing pressure 3.2MPa, pressing cycle 150s.
Comparative example 3
A kind of flame retardant fibre board, suppress thickness 12mm, density 720kg/m3, take following steps to prepare：
(1) long 40~60mm, wide 15~30mm, 2~6mm of the thickness net piece of log are washed, removes wood chip surface
The impurity such as silt.Wood chip after washing is pumped into pre-cooked cylinder by wood chip and carries out preliminarily softened, then passes through stopper spiral shell again
Boiling in boiling cylinder is delivered in rotation, further softening.Steam pressure in boiling cylinder is 0.80MPa, digestion time 3 minutes.
(2) chip steaming is fully fine into the mill room solution of defibrator afterwards, while toward the waterproofing agent of addition 1.4% in mill room.
The pressure for grinding room is less than the pressure about 0.02MPa of boiling cylinder, and the grinding quality of fiber is improved by pressure difference.
(3) fiber applies 12% urea-formaldehyde glue and sticks agent, while adds 7% ammonium polyphosphate flame retardant, dries and keeps it
Moisture content carries out shaping of mating formation 9% or so.Enter hot press hot pressing through precompressed, slab hot pressing forms fiberboard.
Performance evaluation test is carried out to fiberboard made from embodiment 3 and comparative example 3, is as a result listed in table 3.
The embodiment 3 of table 3 and the fibreboard performance Indexes Comparison of comparative example 3
Note：By GB/T11718-2009 and HJ 571-2010 requirement.
The fiberboard items physical and chemical index of embodiment 3 reaches Standard, water sucting thickness expansion as seen from Table 3
Substantially reduced compared with the flame retardant fibre board of comparative example 3, humidity resistance lifting is obvious；Formaldehyde, TVOC burst sizes reach even
Far below standard requirement, there is the premium properties of zero VOC release, be good environment-friendly materials.
Embodiment of the multiphase composite flame-proof resin of the present invention in particieboard production is as follows：
Using the preparation method of the fire-retardant low VOC particieboards of the multiphase composite flame-proof resin of the present invention, including：
Mao bamboon is mixed to get with miscellaneous bamboo and mixes bamboo chip, the miscellaneous bamboo includes any of cizu, mottled bamboo, bamboo palm or appointed
The mass ratio of what two kinds of combination or three kinds of combination, mao bamboon and miscellaneous bamboo is 1：0 to 3：In the range of 1,
Or,
Eucalyptus is mixed to get with weedtree and mixes timber, the weedtree includes any of poplar, fruit tree, pine or appointed
The mass ratio of what two kinds of combination or three kinds of combination, Eucalyptus and weedtree is 1：0 to 3：In the range of 1；
The mixing bamboo chip or timber are chipped, slicing, obtain wood shavings；
To particle drying processing, make the moisture content of the wood shavings in the range of 6% to 16%；
The wood shavings after drying process are sorted using secondary cyclone, it is quiet using water curtain process of cleaning or wet method
Electric precipitation method removes bulky grain wood shavings and waste gas caused by sorting；
Wood shavings after drying process are mixed with flame-retarded resin component A, reinforcing agent B component, wood shavings and fire-retardant tree
After fat component A, reinforcing agent B component are mixed, the mixing of C resins is added, after the applied amount of flame-retarded resin component A accounts for drying process
Wood shavings mass percent 25% to 50%, the quality for the wood shavings that the addition of the reinforcing agent B component is accounted for after drying process
Percentage 30% to 60%, the 20% to 40% of the mass percent for the wood shavings that the additions of C resins is accounted for after drying process；
Wood shavings mixed with flame-retarded resin component A, reinforcing agent B component, C resins after through mechanical spreading machine or air forming machine
Layering is mated formation, and is molded after mating formation by preformer, through individual layer interval guipure press or multilayer interval press or continuous flat after shaping
Press compacting is into the particieboard of bamboo base or wooden base, and described to be compressed to hot pressing, the hot pressing temperature control in the hot pressing exists
140~200 DEG C, pressing cycle is 200~800 seconds, 1.0~4.0MPa of hot pressing unit surface pressure.
Using the preparation method of the fire-retardant low VOC particieboards of the multiphase composite flame-proof resin of the present invention, wherein, the utilization
Secondary cyclone sorts to the wood shavings after drying process, is removed using water curtain process of cleaning or wet method electrostatic collector method
Removing bulky grain wood shavings and waste gas caused by sorting includes：
The bulky grain wood shavings sedimentation separation in wood shavings is gone out using first order cyclone separator, utilizes second level whirlwind point
From device to the further Screening Treatment of wood shavings after sub-argument processing, larger particulate matter is further separated out, is then removed using water curtain
Dirt or efficient wet method electrostatic collector remove particulate matter and waste gas caused by sorting.
The preparation method of the fire-retardant low VOC particieboards of the present invention, wherein, the synthetic method bag of the flame-retarded resin component A
Include：
Melamine is once added to the glyoxal solution that mass concentration is 40%, is 30% sodium hydroxide with mass concentration
Adjust pH=6.5~8.5, be incubated 0.5~2.5 hour at 75~85 DEG C, insulation terminate after for the first time add ammonium phosphate and pair
Cyanamide, 1.0~2.0 hours are incubated, are cooled to 55~65 DEG C and add remaining ammonium phosphate and mass concentration as 28% ammoniacal liquor, insulation
Cool after 30~60 minutes, be down to 40 DEG C by depressurizing spray-drying installation powder, the amount of material compares glyoxal：Melamine：
Dicyandiamide：Ammonium phosphate：Ammoniacal liquor=3.0~3.5：1.5~2.0：0.3~0.8：1.0~1.5：0.1~0.5, add for the first time
Ammonium phosphate accounts for the mass ratio 50~70% of ammonium phosphate total amount.
Using the preparation method of the fire-retardant low VOC particieboards of the multiphase composite flame-proof resin of the present invention, wherein, the enhancing
The preparation method of agent B component is：Successively by montmorillonite, methenamine, attapulgite, crushed crude pearlite, magnesium chloride powder, magnesia
Powder, sulfuric acid magnesium powder, sulfuric acid calcium powder, light calcium powder are added in closed ribbon mixer, are stirred 20~50 minutes, and described cover takes off
Soil, methenamine, attapulgite, crushed crude pearlite, magnesium chloride powder, magnesia powder, sulfuric acid magnesium powder, sulfuric acid calcium powder, light calcium powder
Mass ratio is：10~30：10~30：10~30：10~60：0~60：0~60：0~60：0~60：0~60.
Using the preparation method of the fire-retardant low VOC particieboards of the multiphase composite flame-proof resin of the present invention, wherein, the C trees
The preparation method of fat is：Urea, resorcinol, polyvinyl alcohol, sodium carboxymethylcellulose are added into water successively, are warming up to 60
~90 DEG C, react 1~3 hour, lead to cooling water temperature, be down to less than 35 DEG C, urea, resorcinol, polyvinyl alcohol, carboxymethyl are fine
Tie up plain sodium, the mass ratio of water is：15~30：1~10：0.5~10：1~10：60~80.
Using the fire-retardant low VOC particieboards of the multiphase composite flame-proof resin of the present invention, including：
Wood shavings；
Flame-retarded resin component A；
Reinforcing agent B component；
C resins, the amount of the flame-retarded resin component A account for the mass percent 25% to 50% of wood shavings, the reinforcing agent B groups
Point amount account for the mass percents 30% to 60% of wood shavings, the amount of the C resins account for the 20% of the mass percent of wood shavings to
40%.
Using the present invention multiphase composite flame-proof resin fire-retardant low VOC particieboards preparation method the step of it is as follows：
(1) by raw material mao bamboon and miscellaneous bamboo or Eucalyptus and weedtree according to mass ratio 1：0~3：1 is mixed to get mixing bamboo chip or mixed
Close timber；
(2) mixing bamboo chip or timber are chipped, then through chipper slicing, obtains wood shavings, wood shavings include long 0.20
The bamboo shaving particle or wood wool particle of~5.50mm bamboo and woods fibers beam or wood fiber bundle and long 0.20~1.50mm, bamboo and woods fiber
Beam or wood fiber bundle are used as sandwich layer, and bamboo shaving particle or wood wool particle are used as top layer；
(3) wood shavings dry moisture content to 6~16% through tubular type or cylinder drying system；
(4) wood shavings are sorted using secondary cyclone, first order cyclone separator settles bulky grain wood shavings
Separate, wood shavings stream that second level cyclone separator is separated to one cyclonic carries out at the uniform velocity change and handled, and regulation enters the
The wind speed and air quantity of secondary cyclone, bulky grain thing is further separated, it is then quiet using water curtain dedusting or efficient wet method
Electric precipitation removes bulky grain wood shavings and waste gas caused by sorting, drying；
(5) using vertical or horizontal mixing application system, flame-retarded resin component A and reinforcing agent B component are carried out with wood shavings
Mix after-applied C resins；The mass percent 25% for the wood shavings that the applied amount of flame-retarded resin component A is accounted for after drying process to
50%, the mass percent 30% to 60% for the wood shavings that the addition of the reinforcing agent B component is accounted for after drying process, C resins
The 20% to 40% of the mass percent for the wood shavings that addition is accounted for after drying process；
The synthetic method of above-mentioned flame-retarded resin component A is：According to melamine is once added mass concentration be 40% second
Dialdehyde solution, it is that 30% sodium hydroxide adjusts pH=6.5~8.5 with mass concentration, it is small that 0.5~2.5 is incubated at 75~85 DEG C
When, insulation terminates rear addition ammonium phosphate and dicyandiamide for the first time, is incubated 1.0~2.0 hours, is cooled to 55~65 DEG C and adds residue
Ammonium phosphate and the ammoniacal liquor that mass concentration is 28%, insulation cool after 30~60 minutes, are down to 40 DEG C by depressurizing spray drying dress
Powder processed is put, the amount of material compares glyoxal：Melamine：Dicyandiamide：Ammonium phosphate：Ammoniacal liquor=3.0~3.5：1.5~2.0：0.3~
0.8：1.0~1.5：0.1~0.5, the ammonium phosphate added for the first time accounts for the mass ratio 50~70% of ammonium phosphate total amount.
The preparation method of above-mentioned reinforcing agent B component is：Successively by montmorillonite, methenamine, attapulgite, crushed crude pearlite,
Several in magnesium chloride powder, magnesia powder, sulfuric acid magnesium powder, sulfuric acid calcium powder, light calcium powder are added in combination closed ribbon mixer
In, blowing after stirring 20~50 minutes, the montmorillonite, methenamine, attapulgite, crushed crude pearlite, magnesium chloride powder, magnesia
Powder, sulfuric acid magnesium powder, sulfuric acid calcium powder, the mass ratio of light calcium powder are：10~30：10~30：10~30：10~60：0~60：0~
60：0~60：0~60：0~60.
The preparation method of above-mentioned C resins is：Urea, resorcinol, polyvinyl alcohol, sodium carboxymethylcellulose are added successively
Into the water of metering, 60~90 DEG C are warming up to, reacts 1~3 hour, leads to cooling water temperature rapidly, be down to less than 35 DEG C blowings, urinate
Element, resorcinol, polyvinyl alcohol, sodium carboxymethylcellulose, the mass ratio of water are：15~30：1~10：0.5~10：1~10：
60~80.
(6) wood shavings after being glued are mated formation through machinery or air forming machine layering, are molded by preformer, through individual layer interval
The fire-retardant low VOC particieboards of guipure press, multilayer interval press or continuous flat press compacting into the present invention；The flooring mode
Watch core layer difference flooring mode can be used, to form three layers of grading structure, or watch core layer mixing flooring mode is used, to be formed
Individual layer homogeneous structural；Above-mentioned to be compressed to hot pressing, hot pressing temperature control in the hot pressing is at 140~200 DEG C, pressing cycle
200~800s (second), 1.0~4.0MPa of hot pressing unit surface pressure.
Such scheme is more preferably：
Mixing bamboo chip or mixing timber in the step (1), preferably mao bamboon：Miscellaneous bamboo=1：0~1：1, or Eucalyptus：Weedtree
=1：0~1：1, bamboo chip or timber length are 30mm, width 20mm, thickness 3mm.
The production work of traditional particieboard is broken through using the fire-retardant low VOC particieboards of the multiphase composite flame-proof resin of the present invention
Skill, wood shavings reinforcing material is recombinated, the proportion of wood materials and function modified composite is close to 1:1, remain wooden
The water resistance of material itself, the ultralow VOC releases of flakeboard and fire resistance are given, is that a kind of new all can surpass
Level sheet material.
Using the fire-retardant low VOC particieboards of the multiphase composite flame-proof resin of the present invention ureaformaldehyde is substituted using novel composite resin
Production of resins particieboard, flame-retarded resin component A and reinforcing agent B component, under the crosslinked action of C resins, hot-press solidifying, cooling 1
Zhou Hou, it is complete fully to balance aqueous solidify afterwards, can carry out secondary operation.
Fire-retardant low VOC particieboards using the multiphase composite flame-proof resin of the present invention be it is a kind of it is organic with it is inorganic material-modified
The composite of wood shavings, solve the problems, such as the Form aldehyde release of traditional material, wood materials are strengthened, improve sheet material
Water resistance and weather resistance.
Fire-retardant low VOC particieboards using multiphase composite flame-proof resin of the invention are assigned by being coated to wood shavings
The excellent fire protecting performance of whole particieboard, is a kind of new all-round super sheet material.Also, the fire-retardant low VOC wood shavings of the present invention
Plate moderate cost, it is suitable with the particieboard cost of traditional Lauxite compacting, there is high promotional value.Product processes
Simply, it is easily controllable, industrialization can be achieved.
Embodiment 4：Using Eucalyptus as raw material, thick 12.0mm, density 820kg/m are suppressed3Floor type wood base particieboard.Technique
Step is as follows：First Eucalyptus raw material is chipped, length 30mm, width 20mm, thickness 3mm wood chip is obtained, is then obtained by flaking
To wood wool.Wood wool dries moisture content to 15%, into two level cyclonic separation system through roller drier drying process 0.5min
System, through water curtain dust pelletizing system, removes flue dust and bulky grain wood shavings.The wood shavings that secondary cyclone comes out through mechanically decoupled, point
Not Jin Ru watch core layer glue mixing system, at the same time, adding flame-retarded resin component A, (amount of material compares glyoxal：Melamine：It is double
Cyanamide：Ammonium phosphate：Ammoniacal liquor=3.5：1.8：0.6：1.2：0.3) (quality compares montmorillonite with reinforcing agent B component：Methenamine：It is recessed
Convex rod powder：Magnesium chloride powder：Magnesia powder：Sulfuric acid magnesium powder=10：10：20：30：30：20) C resins, are sprayed under mechanical stirring
(quality compares urea：Resorcinol：Polyvinyl alcohol：Sodium carboxymethylcellulose：Water=15：1.5：1.5：2：80) after, glue mixing is uniform
Mated formation feed bin by Belt Conveying to watch core layer, top layer：Sandwich layer：Press 1.5 in top layer：7：1.5 ratios are mated formation, and are squeezed out by preformer
Air in space, into individual layer interval net belt type hot press, at 200 DEG C, pressure 1.8MPa, time 240s of temperature, hot pressing
Into fire-retardant low VOC particieboards.Through health in 7 days, the physical and chemical index detected after sanding was sheet material：MOR：21.5MPa；
Modulus of elasticity：2422MPa；Internal bond strength：0.74MPa；Thickness swelling rate：6.7%；Burst size of methanal：0.08mg/
100g；TVOC：0.12mg/(m2*h)；Fire resistance：B1-C levels.
Embodiment 5：With mao bamboon：Miscellaneous bamboo=mass ratio 3：1 is raw material, suppresses thick 12.0mm, density 1000kg/m3Floor type
Bamboo shaving plate.Processing step is as follows：First raw material is chipped, obtains length 30mm, width 20mm, thickness 3mm bamboo chip, Ran Houtong
Cross flaking and obtain bamboo shaving.Bamboo shaving is dried moisture content to 14%, revolved into two level through roller drier drying process 0.6min
Wind piece-rate system, flue dust remove flue dust and bulky grain wood shavings after squirting tower processing through electrostatic precipitation system.Two level cyclonic separation
The bamboo shaving that device comes out respectively enters watch core layer glue mixing system through mechanically decoupled, at the same time, adds flame-retarded resin component A (thing
The amount of matter compares glyoxal：Melamine：Dicyandiamide：Ammonium phosphate：Ammoniacal liquor=3.3：2.0：0.6：1.4：And reinforcing agent B component 0.5)
(quality compares montmorillonite：Methenamine：Attapulgite：Magnesium chloride powder：Magnesia powder：Sulfuric acid calcium powder：Light calcium powder=15：15：
10：30：10：15：5), (quality compares urea to penetrating C resins under mechanical stirring：Resorcinol：Polyvinyl alcohol：Carboxymethyl cellulose
Plain sodium：Water=15：2：3：5：75) mated formation feed bin by Belt Conveying to watch core layer after, glue mixing is uniform, top layer：Sandwich layer：Press on top layer
1.6：6.8：1.6 ratios are mated formation, and air in space is squeezed out by preformer, into individual layer interval net belt type hot press, in temperature
Under 200 DEG C, pressure 1.5MPa, time 360s, fire-retardant low VOC particieboards are made in hot pressing.Sheet material detects through health in 7 days after sanding
Physical and chemical index be：MOR：20.8MPa；Modulus of elasticity：2396MPa；Internal bond strength：0.82MPa；Water suction
Thickness swelling：3.2%；Burst size of methanal：0.09mg/100g；TVOC：0.09mg/(m2*h)；Fire resistance：B1-B levels.
Embodiment 6：Using mao bamboon as raw material, thick 12.0mm, density 720kg/m are suppressed3Wall hanging plate type bamboo shaving plate.Technique
Step is as follows：First raw material is chipped, length 30mm, width 20mm, thickness 3mm bamboo chip is obtained, bamboo is then obtained by flaking
Wood shavings.Bamboo shaving dries moisture content to 12% through roller drier drying process 0.5min, into two level cyclone separation system,
Through water curtain dust pelletizing system, remove flue dust and bulky grain wood shavings.The bamboo shaving that secondary cyclone comes out is through mechanically decoupled, respectively
Into watch core layer glue mixing system, at the same time, adding flame-retarded resin component A, (amount of material compares glyoxal：Melamine：Double cyanogen
Amine：Ammonium phosphate：Ammoniacal liquor=3.4：1.9：0.7：1.4：0.4) (quality compares montmorillonite with reinforcing agent B component：Methenamine：It is concavo-convex
Rod powder：Crushed crude pearlite：Magnesia powder：Sulfuric acid magnesium powder=15：15：15：20：30：30) component, C resins are sprayed under mechanical stirring
(quality compares urea：Resorcinol：Polyvinyl alcohol：Sodium carboxymethylcellulose：Water=25：4：4：5：75) pass through after, glue mixing is uniform
Belt Conveying to watch core layer is mated formation feed bin, top layer：Sandwich layer：Press 1.6 in top layer：6.8：1.6 ratios are mated formation, and sky is squeezed out by preformer
Air in gap, into individual layer interval net belt type hot press, at 200 DEG C, pressure 1.8MPa, time 210s of temperature, hot pressing is made
Fire-retardant low VOC particieboards.Through health in 7 days, the physical and chemical index detected after sanding was sheet material：MOR：18.5MPa；Bullet
Property modulus：2015MPa；Internal bond strength：0.54MPa；Thickness swelling rate：7.1%；Burst size of methanal：0.06mg/
100g；TVOC：0.09mg/(m2*h)；Fire resistance：B1-C levels.
Comparative example 4：Using Eucalyptus as raw material, thick 12.0mm, density 820kg/m are suppressed3Floor type wood base particieboard.Technique walks
It is rapid as follows：First raw material is chipped, wood wool is then obtained by flaking.Wood wool through roller drier drying process 1.0min,
Moisture content is dried to 3%, into one cyclonic piece-rate system, removes flue dust and bulky grain wood shavings, watch core is respectively enterd through machinery
Layer glue mixing system, apply and account for the UF resins of over dry wood wool 12% (amount of material compares formaldehyde：Melamine：Urea=1.02：
0.03：1) mated formation feed bin by Belt Conveying to watch core layer after, glue mixing is uniform, top layer：Sandwich layer：Press 1.5 in top layer：7.0：1.5 than
Example is mated formation, and air in space is squeezed out by preformer, into individual layer interval net belt type hot press, in 200 DEG C of temperature, pressure
Under 1.2MPa, time 200s, normal wood particieboard is made in hot pressing.Sheet material was through health in 3 days, the physical and chemical index detected after sanding
For：MOR：18.6MPa；Modulus of elasticity：2027MPa；Internal bond strength：0.62MPa；Thickness swelling rate：
7.5%；Burst size of methanal：6.8mg/100g；TVOC：0.36mg/(m2*h)；Combustibility：B2 levels.
Comparative example 5：With mao bamboon：Miscellaneous bamboo=mass ratio 3：1 is raw material, suppresses thick 12.0mm, density 1000kg/m3Floor type
Bamboo shaving plate.Processing step is as follows：First raw material is chipped, bamboo shaving is then obtained by flaking.Bamboo shaving is through roller drier
Drying process 1.2min, moisture content is dried to 2.5%, into one cyclonic piece-rate system, removes flue dust and bulky grain wood shavings, passes through
Machinery respectively enters watch core layer glue mixing system, applies and accounts for the muf resin of over dry bamboo shaving 14% (amount of material compares formaldehyde：Trimerization
Cyanamide：Urea=1.02：0.05：1) mated formation feed bin by Belt Conveying to watch core layer after, glue mixing is uniform, top layer：Sandwich layer：Top layer
By 1.6：6.8：1.6 ratios are mated formation, and air in space is squeezed out by preformer, into individual layer interval net belt type hot press, in temperature
Under 200 DEG C, pressure 1.5MPa, time 300s of degree, common bamboo shaving plate is made in hot pressing.Sheet material detects through health in 3 days after sanding
Physical and chemical index is：MOR：19.3Mpa；Modulus of elasticity：2275Mpa；Internal bond strength：0.71Mpa；Water suction is thick
Spend expansion rate：4.1%；Burst size of methanal：7.2mg/100g；TVOC：0.40mg/(m2*h)；Combustibility：B2 levels.
Comparative example 6：Using mao bamboon as raw material, thick 12.0mm, density 720kg/m are suppressed3Floor type bamboo shaving plate.Processing step
It is as follows：First raw material is chipped, bamboo shaving is then obtained by flaking.Bamboo shaving is done through roller drier drying process 1.0min
Dry moisture content into one cyclonic piece-rate system, removes flue dust and bulky grain wood shavings, watch core layer is respectively enterd through machinery to 3%
Glue mixing system, apply and account for the UF resins of over dry bamboo shaving 10% (amount of material compares formaldehyde：Melamine：Urea=1.01：
0.06：1) mated formation feed bin by Belt Conveying to watch core layer after, glue mixing is uniform, top layer：Sandwich layer：Press 1.6 in top layer：6.8：1.6 than
Example is mated formation, and air in space is squeezed out by preformer, into individual layer interval net belt type hot press, in 190 DEG C of temperature, pressure
Under 1.0MPa, time 180s, common bamboo shaving plate is made in hot pressing.Sheet material was through health in 3 days, the physical and chemical index detected after sanding
For：MOR：17.6MPa；Modulus of elasticity：1987MPa；Internal bond strength：0.64MPa；Thickness swelling rate：
7.7%；Burst size of methanal：6.2mg/100g；TVOC：0.28mg/(m2*h)；Fire resistance：B2 levels.
The product physicochemical property comparative analysis table of table 4
Found by contrasting, in the case where reaching Standard, the physical and chemical index of fire-retardant low VOC particieboards of the invention is all
It is horizontal close to " zero " higher than the particieboard index of traditional cyanurotriamide modified urea resin (MUF) compacting, especially burst size of methanal
(detecting that formaldehyde may be brought into due to raw material itself), has reached outlet California, USA CARB phase IIIs release request, Japan
The most stringent of Form aldehyde release standards such as JIS certification F4 stars Form aldehyde release requirement.The VOC of the fire-retardant low VOC particieboards of the present invention is total
Burst size is far below the limit value of national standard wood-based plate class product, reaches ultra low levels, while assigns particieboard excellent fire resistance,
The fire resistance of material reaches the requirement of B1 levels, meets the fire protection requirement of domestic construction ornament materials, is a kind of new all-round plate
Material.
The product integrated cost comparative analysis table of table 5
Found by contrasting, the raw material of embodiment 4 significantly reduces, and can effectively reduce caused dust in production process
Amount, can also reduce the dosage of the functional modification material such as paraffin, although integrated cost improves 54 yuan than reference examples, assign
Give the attributes such as fire-retardant, water-fast, the weather-proof, zero VOC of sheet material.
It is organic using the preparation method of the fire-retardant low VOC particieboards of the multiphase composite flame-proof resin of the present invention, comprehensive utilization
Wood materials are modified with enhancing, creative increase inorganic material proportion, wood shavings and composite with inorganic composite materials
Ratio increases to 1：1, caused physicochemical property is suppressed better than traditional Lauxite after multiphase composite flame-proof resin solidification of the invention
Particieboard, eliminate traditional particieboard and be modified the function modified materials such as the waterproofing agent that need to be added, fire retardant, mould inhibitor, simplify
Production technology, is advantageous to the implementation of industrialization.Extrudate density 700kg/m3More than, it is especially suitable available for building decoration area
Require higher ground and materials for wall for fireproof mould-proof, reach zero VOC release, " zero " formaldehyde (material itself is brought into),
B1 level flame-retardancy requirements, market prospects are bright and clear.
Technical scheme, original adhesive is replaced using novel multi-phase Composite resin adhesive, effectively reduced
VOC releases, while being not required to additionally add external release agent, substantially increase fire resistance.
It the above is only the preferred embodiment of the present invention, it is noted that come for those skilled in the art
Say, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should be regarded as
Protection scope of the present invention.
Claims (6)
- A kind of 1. preparation method of multiphase composite flame-proof resin, it is characterised in that including：Synthesize flame-retarded resin component A；Synthesize reinforcing agent B component；Synthesize C resins；Flame-retarded resin component A, reinforcing agent B component, C resins are mixed, obtain multiphase composite flame-proof resin, it is described fire-retardant Resin A component, the reinforcing agent B component, the mass ratio of the C resins are 2~3：3：2.
- 2. the preparation method of multiphase composite flame-proof resin as claimed in claim 1, it is characterised in that flame-retarded resin component A Synthetic method is：Melamine is once added to the glyoxal solution that mass concentration is 40%, is 30% hydrogen-oxygen with mass concentration Change sodium regulation pH=6.5~8.5,0.5~2.5 hour is incubated at 75~85 DEG C, insulation adds ammonium phosphate for the first time after terminating And dicyandiamide, 1.0~2.0 hours are incubated, 55~65 DEG C is cooled to and adds remaining ammonium phosphate and mass concentration as 28% ammoniacal liquor, Insulation cools after 30~60 minutes, is down to 40 DEG C by depressurizing spray-drying installation powder, the amount of material compares glyoxal：Melamine Amine：Dicyandiamide：Ammonium phosphate：Ammoniacal liquor=3.0~3.5：1.5~2.0：0.3~0.8：1.0~1.5：0.1~0.5, add for the first time The ammonium phosphate entered accounts for the mass ratio 50~70% of ammonium phosphate total amount.
- 3. the preparation method of multiphase composite flame-proof resin as claimed in claim 2, it is characterised in that the reinforcing agent B component Preparation method be：Successively by montmorillonite, methenamine, attapulgite, crushed crude pearlite, magnesium chloride powder, magnesia powder, magnesium sulfate Powder, sulfuric acid calcium powder, light calcium powder are added in closed ribbon mixer, are stirred 20~50 minutes, the montmorillonite, Wu Luotuo Product, attapulgite, crushed crude pearlite, magnesium chloride powder, magnesia powder, sulfuric acid magnesium powder, sulfuric acid calcium powder, the mass ratio of light calcium powder are： 10~30：10~30：10~30：10~60：0~60：0~60：0~60：0~60：0~60.
- 4. the preparation method of multiphase composite flame-proof resin as claimed in claim 3, it is characterised in that the preparation of the C resins Method is：Thiocarbamide, sodium peroxydisulfate, polyvinyl alcohol, sodium carboxymethylcellulose are added into water successively, are warming up to 60~90 DEG C, Reaction 1~3 hour, lead to cooling water temperature, be down to less than 35 DEG C, thiocarbamide, sodium peroxydisulfate, polyvinyl alcohol, sodium carboxymethylcellulose, The mass ratio of water is：15~30：1~10：0.5~10：1~10：60~80.
- 5. the preparation method of multiphase composite flame-proof resin as claimed in claim 3, it is characterised in that the preparation of the C resins Method is：Urea, resorcinol, polyvinyl alcohol, sodium carboxymethylcellulose are added into water successively, are warming up to 60~90 DEG C, Reaction 1~3 hour, lead to cooling water temperature, be down to less than 35 DEG C, urea, resorcinol, polyvinyl alcohol, sodium carboxymethylcellulose, The mass ratio of water is：15~30：1~10：0.5~10：1~10：60~80.
- A kind of 6. multiphase composite flame-proof resin, it is characterised in that including：Flame-retarded resin component A；Reinforcing agent B component；C resins；The flame-retarded resin component A, the reinforcing agent B component, the mass ratio of the C resins are 2~3：3：2.
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