CN106751342A - A kind of fire-retardant cupboard board and preparation method thereof - Google Patents
A kind of fire-retardant cupboard board and preparation method thereof Download PDFInfo
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- CN106751342A CN106751342A CN201611160710.6A CN201611160710A CN106751342A CN 106751342 A CN106751342 A CN 106751342A CN 201611160710 A CN201611160710 A CN 201611160710A CN 106751342 A CN106751342 A CN 106751342A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L51/06—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F255/00—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00
- C08F255/02—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00 on to polymers of olefins having two or three carbon atoms
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F289/00—Macromolecular compounds obtained by polymerising monomers on to macromolecular compounds not provided for in groups C08F251/00 - C08F287/00
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- 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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The present invention relates to cupboard board technical field, and in particular to a kind of fire-retardant cupboard board and preparation method thereof.Fire-retardant cupboard board of the invention includes the following raw material：Modified lignin resin powder, bamboo cellulose powder, MODIFIED PP resin, polyvinyl chloride resin, capsule fire retardant, synergistic flame retardant, anti-impact modifier.The present invention reduces the moisture absorption degree of modeling plank, so as to weaken the migration of fire retardant with the PP resins of agent of low hygroscopicity as major ingredient；Again with the polyvinyl chloride resin blending and modifying PP with low flammability, the anti-flammability of cupboard board；And capsule fire retardant is used, and the animal migration of fire retardant, and capsule material water white transparency can be effectively reduced, the colourity of fire retardant can be well reduced, make modeling plank that Natural Wood Colour is presented so that cupboard board of the invention more improves grade.
Description
Technical field
The present invention relates to cupboard board technical field, and in particular to a kind of fire-retardant cupboard board and preparation method thereof.
Background technology
In the prior art, cupboard board has a diversified material, and solid wood board because its is sturdy and durable, lines natural, mostly
With preferable hygroscopicity and gas permeability, favored by people.But solid wood board class sheet material cost is high and construction technology will
Ask high, therefore be restricted in top-grade furniture always.
For conservation of nature environment and the purpose of reduces cost, start to carry out the combination of solid wood and plastics on the market ---
Modeling plank, it had both kept the sensation of the affine human body of solid wood board, and with functions such as good moistureproof water-fast, acid and alkali-resistance, restraining epiphytes,
And use requirement is lower for relative solid wood board.
But plank or solid wood board no matter are moulded, because it includes substantial amounts of lignin and cellulose, therefore anti-flammability pole
Difference.In current cupboard board technical field, those skilled in the art often solve the fire-retardant of cupboard board using the form for increasing PLASTIC LAMINATED
Problem.But PLASTIC LAMINATED is bright in colour, the Natural Wood Colour of modeling plank is easily covered, improper use results even in degumming, becomes
Shape, the consequence of substrate expansion.
Therefore, we need fundamentally to improve the anti-flammability of wood-plastic board, and the method that most of producers use is substantially
Fire retardant is added toward the formula system of modeling plank.But all there are the following problems for general flame retardant plastic plank：1st, what is used matches somebody with somebody
Cube system is substantially single resin, and the performance of single resin is single, and defect substantially, causes modeling plank poor for applicability；2nd, it is fire-retardant
Agent major part is colored materials, directly adds the Natural color of easily influence modeling plank；3rd, cupboard board is used in wet environment, modeling
Plank moisture absorption is easily caused conventional flame retardant and migration even precipitation occurs, and forming frost in modeling board surface returns phenomenon, not only attractive in appearance
Property is poor, while anti-flammability can not remain permanent.
The patent of invention of Patent No. 201410308087.9 is disclosed and a kind of is mainly made up of PE, fire retardant, wood powder
Modeling plank, fire retardant uses the compound being made up of pentaerythritol phosphate and melamine, but the heat resistance of PE and
Intensity is relatively low, and pentaerythritol phosphate and melamine are also the fire retardant for being susceptible to moisture absorption migration.
The patent of invention of Patent No. 200910072237.X discloses a kind of main by waste or used plastics, wood fibre, resistance
The modeling plank of combustion agent composition, fire retardant uses the compound being made up of halogen-free flame retardants, starch, molecular sieve, Firebrake ZB, but
It substitutes technical scheme of the labile APP as fire retardant primarily to providing use other fire retardants, fire-retardant
Property it is general, and separate out and have colourity without solving the problems, such as that fire retardant is easy.
The content of the invention
The purpose of the present invention is directed to above-mentioned deficiency of the prior art, there is provided a kind of compound resin, fire retardant colourity are low
And it is difficult the fire-retardant cupboard board for separating out.
The purpose of the present invention is achieved through the following technical solutions：
A kind of fire-retardant cupboard board, including following parts by weight raw material：
50-70 parts of modified lignin resin powder
10-20 parts of bamboo cellulose powder
60-80 parts of MODIFIED PP resin
Polyvinyl chloride resin 20-40 parts
4-10 parts of capsule fire retardant
Synergistic flame retardant 1-2 parts
Anti-impact modifier 6-8 parts；
The capsule fire retardant with acid source, source of the gas as core, using Lauxite or melamine resin performed polymer as glue
Capsule material.
Preferably, the raw material of the fire-retardant cupboard board, including following parts by weight：
60 parts of modified lignin resin powder
15 parts of bamboo cellulose powder
70 parts of MODIFIED PP resin
30 parts of polyvinyl chloride resin
7 parts of capsule fire retardant
1.5 parts of synergistic flame retardant
7 parts of anti-impact modifier.
Contain substantial amounts of resin material and inorganic material in inventive formulation, in order to change both property, reach ideal
Combination property, the present invention also lignocellulose and PP resins have been carried out it is modified enhancing they between compatibility so that
Reach preferable blend.
Wherein, the preparation method of the modified bamboo fiber powder comprises the following steps：
（1）Graft modification：Lignin, acrylamide are added to the water, graft polymerization preformer solution is formed, 80-90 DEG C is stirred and be warming up to,
Potassium peroxydisulfate is added, and 2-4h is reacted under radiation parameter, modified lignin resin solution is obtained, wherein the lignin, water, over cure
The mass ratio of sour potassium is 10:3000:0.2, the concentration of the acrylamide of the graft polymerization preformer solution is 1.5mol/L-2.5 mol/
L；
（2）Cooling：The modified lignin resin solution is cooled to -20-0 DEG C with the speed of 70-80 DEG C/min, is then freezed
Dry, obtain the modified lignin resin powder.
The characteristics of modified lignin resin of the present invention is：1st, by the grafting of acrylamide, lignin from hydrophilic sex reversal is made
It is hydrophobicity, so that the hydroscopicity of wood-plastic board of the invention is well below traditional wood-plastic board；2nd, by irradiating and regulating and controlling each
Material consumption, improves the grafting rate of lignin so that modified lignin resin has more active reaction points, enhancing lignin with
The compatibility of resin；3rd, by IQF and lyophilization so that modified lignin resin surface produces more holes, compares table
Area is improved, it is easier to cross-linking occurs with resin.
Wherein, the MODIFIED PP resin is made by the steps：
（1）Raw material preparation：Every 100 weight portion PP resins, are equipped with 0.5-1.5 parts by weight maleic anhydride, 0.5-1.5 weight portion methyl
Methyl acrylate, 1-3 weight portion nanometer diamonds alkene, 0.5-1.5 weight portions cumyl peroxide, 500-2500 weight portions are organic
Solvent；
（2）PP graft modifications：The PP resins, maleic anhydride, methyl methacrylate, cumyl peroxide are added into screw rod
Consolute in extruder, obtains PP consolute things, and consolute temperature is 160-180 DEG C；
（3）PP blending and modifyings：Take during nanometer diamond alkene adds part organic solvent, and carry out ultrasonic disperse 4-6h, obtain nanometer
Diamond alkene dispersion liquid, the nanometer diamond alkene dispersion liquid, PP consolutes thing, remaining organic solvent are mixed, and are warming up to
160-180 DEG C of insulation 1-1.5h, cooling, isolated solid, and be dried, ball milling, described MODIFIED PP obtained after sieving
Resin.
The characteristics of MODIFIED PP resin of the present invention is：1st, maleic anhydride graft PP resin can greatly enhance the pole of PP resins
Property, and maleic anhydride, methyl methacrylate dual graft monomer can be with alternate graftings, so as to reach raising maleic anhydride grafting ratio
Purpose so that the polarity of PP resins can be lifted significantly and close to polyvinyl chloride resin, and enhancing PP resins are compatible with polyvinyl chloride resin
Property；2nd, on the basis of a large amount of active reaction points of PP resins graft modification generation, using the suspension precipitation method so that the activity of diamond alkene
Point is freely collided and combined with the active site of PP resins, and the fusing point of diamond alkene is 3000-4000 DEG C, can greatly be carried
Into the anti-flammability of PP resins.
PP resins are a kind of nonpolar semicrystalline materials, to be reached with polar polymeric matter PVC or inorganic material lignin matter
Compatible is very difficult, at the same also because of that, be also difficult to reach high performance purpose using alloying or Composite technology,
Strongly limit application of the PP resins on cupboard board.But the present invention is modified by carrying out secondary grafting to PP resins, is increased
The polarity of strong PP resins, improves the adhesive property of PP/PVC/ inorganic material co-mixing systems, has both maintained the low moisture absorption of PP resins
Rate, have also been introduced the stability of polyvinyl chloride resin, and high performance cupboard board material is obtained.
Preferably, the acid source is APP, and the source of the gas is melamine, and the acid source is with the weight ratio of source of the gas
2:1.The present invention is by the way that to acid source, the selection of source of the gas and the adjustment of ratio, enhancing fire retardant core is thermally-stabilised in capsule
Property, so as to solve APP labile problem in process.
Preferably, the synergistic flame retardant is magnesium hydroxide or aluminium hydroxide.Magnesium hydroxide or aluminium hydroxide are colourless
Or white solid, for the present invention in, the fire-retardant effect of synergistic can be played, can also play a part of to increase quality.
Wherein, the anti-impact modifier is at least one in SBS, SEBS, POE, EPDM.
Wherein, also including 1-5 weight portions external lubricant and the in-lubricant of 1-5 weight portions, the external lubricant are stone
At least one in wax, OPE or Tissuemat E, the in-lubricant is calcium stearate, zinc stearate, stearic acid
At least one in aluminium.
Wherein, also including 1-2 parts of antioxidant, the antioxidant presses 1 by irgasfos 168 and antioxidant 1010:1 weight
Amount ratio is constituted.
A kind of preparation method of above-described fire-retardant cupboard board, comprises the following steps：
（1）Premixing：Modified lignin resin powder, bamboo cellulose powder, capsule fire retardant, synergistic flame retardant described in weight proportion are added
It is well mixed in mixer, obtains mixed-powder；
（2）MODIFIED PP resin, polyvinyl chloride resin, anti-impact modifier by the mixed-powder and by weight ratio（With outer lubrication
Agent, do not have lubricant, antioxidant）Extruded in addition double screw extruder and send into die for molding, the double screw extruder
Interior operating temperature is 160-200 DEG C.
Beneficial effects of the present invention：1st, the PP resins with agent of low hygroscopicity reduce the moisture absorption degree of modeling plank as major ingredient, so that
Weaken the migration of fire retardant；2nd, with the polyvinyl chloride resin blending and modifying PP with low flammability, the modeling low moisture absorption of plank is being kept
Property, high rigidity while improve its anti-flammability, and by consumption proportion, PVC is weakened significantly and processes unstable defect；3、
Using capsule fire retardant, the animal migration of fire retardant, and capsule material water white transparency can be effectively reduced, can reduced well
The colourity of fire retardant, makes modeling plank that Natural Wood Colour is presented；4th, original wood powder is not used, but uses the cellulose for from wood powder separate
And lignin, it is easy to rise intensity bigger and the ratio of lignin with Action of Surfactant moulds the firm of plank to strengthen
Property, and isolate lignin and be more convenient for being modified；5th, using lignin and bamboo cellulose as carbon source, three are formed with capsule fire retardant
Phase expansion type flame retardant, without extra addition carbon source again.
Specific embodiment
The invention will be further described with the following Examples.
Embodiment 1
A kind of fire-retardant cupboard board, including following parts by weight raw material：
60 parts of modified lignin resin powder
15 parts of bamboo cellulose powder
70 parts of MODIFIED PP resin
30 parts of polyvinyl chloride resin
7 parts of capsule fire retardant
1.5 parts of synergistic flame retardant
7 parts of anti-impact modifier；
The capsule fire retardant with acid source, source of the gas as core, using Lauxite as capsule material.
Wherein, the preparation method of the modified bamboo fiber powder comprises the following steps：
（1）Graft modification：Lignin, acrylamide are added to the water, graft polymerization preformer solution is formed, 85 DEG C are stirred and be warming up to, plus
Enter potassium peroxydisulfate, and 3h is reacted under radiation parameter, obtain modified lignin resin solution, wherein the lignin, water, potassium peroxydisulfate
Mass ratio be 10:3000:0.2, the concentration of the acrylamide of the graft polymerization preformer solution is 2 mol/L；
（2）Cooling：The modified lignin resin solution is cooled to -10 DEG C with the speed of 75 DEG C/min, freeze-drying is then carried out,
Obtain the modified lignin resin powder.
Wherein, the MODIFIED PP resin is made by the steps：
（1）Raw material preparation：Every 100 weight portion PP resins, are equipped with 1 parts by weight maleic anhydride, 1 parts by weight of methylmethacrylate, 2
Weight portion nanometer diamond alkene, 1 weight portion cumyl peroxide, 1500 weight parts organic solvents；
（2）PP graft modifications：The PP resins, maleic anhydride, methyl methacrylate, cumyl peroxide are added into screw rod
Consolute in extruder, obtains PP consolute things, and consolute temperature is 170 DEG C；
（3）PP blending and modifyings：Take during nanometer diamond alkene adds part organic solvent, and carry out ultrasonic disperse 5h, obtain nanometer brill
Stone alkene dispersion liquid, the nanometer diamond alkene dispersion liquid, PP consolutes thing, remaining organic solvent are mixed, and are warming up to 170
DEG C insulation 1.25h, cooling, isolated solid, and be dried, ball milling, described MODIFIED PP resin obtained after sieving.
Wherein, the acid source is APP, and the source of the gas is melamine, and the acid source is 2 with the weight ratio of source of the gas:
1。
Wherein, the synergistic flame retardant is magnesium hydroxide or aluminium hydroxide.
Wherein, the anti-impact modifier is SBS.
Wherein, also including 3 weight portions external lubricant and the in-lubricant of 3 weight portions, the external lubricant are paraffin, institute
In-lubricant is stated for calcium stearate.
Wherein, also including 1.5 parts of antioxidants, the antioxidant presses 1 by irgasfos 168 and antioxidant 1010:1 weight
Amount ratio is constituted.
Embodiment 2
A kind of fire-retardant cupboard board, including following parts by weight raw material：
50 parts of modified lignin resin powder
10 parts of bamboo cellulose powder
60 parts of MODIFIED PP resin
20 parts of polyvinyl chloride resin
4 parts of capsule fire retardant
1 part of synergistic flame retardant
6 parts of anti-impact modifier；
The capsule fire retardant with acid source, source of the gas as core, using melamine resin performed polymer as capsule material.
Wherein, the preparation method of the modified bamboo fiber powder comprises the following steps：
（1）Graft modification：Lignin, acrylamide are added to the water, graft polymerization preformer solution is formed, 80 DEG C are stirred and be warming up to, plus
Enter potassium peroxydisulfate, and 2h is reacted under radiation parameter, obtain modified lignin resin solution, wherein the lignin, water, potassium peroxydisulfate
Mass ratio be 10:3000:0.2, the concentration of the acrylamide of the graft polymerization preformer solution is 1.5 mol/L；
（2）Cooling：The modified lignin resin solution is cooled to -20 DEG C with the speed of 70 DEG C/min, freeze-drying is then carried out,
Obtain the modified lignin resin powder.
Wherein, the MODIFIED PP resin is made by the steps：
（1）Raw material preparation：Every 100 weight portion PP resins, are equipped with 0.5 parts by weight maleic anhydride, 0.5 weight parts of methacrylic acid first
Ester, 1 weight portion nanometer diamond alkene, 0.5 weight portion cumyl peroxide, 500 weight parts organic solvents；
（2）PP graft modifications：The PP resins, maleic anhydride, methyl methacrylate, cumyl peroxide are added into screw rod
Consolute in extruder, obtains PP consolute things, and consolute temperature is 160 DEG C；
（3）PP blending and modifyings：Take during nanometer diamond alkene adds part organic solvent, and carry out ultrasonic disperse 4h, obtain nanometer brill
Stone alkene dispersion liquid, the nanometer diamond alkene dispersion liquid, PP consolutes thing, remaining organic solvent are mixed, and are warming up to 160
DEG C insulation 1h, cooling, isolated solid, and be dried, ball milling, described MODIFIED PP resin obtained after sieving.
Wherein, the acid source is APP, and the source of the gas is melamine, and the acid source is 2 with the weight ratio of source of the gas:
1。
Wherein, the synergistic flame retardant is magnesium hydroxide or aluminium hydroxide.
Wherein, the anti-impact modifier is SEBS.
Wherein, also including 1 weight portion external lubricant and the in-lubricant of 1 weight portion, the external lubricant are poly- for oxidation
Ethylene waxes, the in-lubricant is zinc stearate.
Wherein, also including 1 part of antioxidant, the antioxidant presses 1 by irgasfos 168 and antioxidant 1010:1 weight
Ratio is constituted.
Embodiment 3
A kind of fire-retardant cupboard board, including following parts by weight raw material：
70 parts of modified lignin resin powder
20 parts of bamboo cellulose powder
80 parts of MODIFIED PP resin
40 parts of polyvinyl chloride resin
10 parts of capsule fire retardant
2 parts of synergistic flame retardant
8 parts of anti-impact modifier；
The capsule fire retardant with acid source, source of the gas as core, using Lauxite as capsule material.
Wherein, the preparation method of the modified bamboo fiber powder comprises the following steps：
（1）Graft modification：Lignin, acrylamide are added to the water, graft polymerization preformer solution is formed, 90 DEG C are stirred and be warming up to, plus
Enter potassium peroxydisulfate, and 4h is reacted under radiation parameter, obtain modified lignin resin solution, wherein the lignin, water, potassium peroxydisulfate
Mass ratio be 10:3000:0.2, the concentration of the acrylamide of the graft polymerization preformer solution is 2.5 mol/L；
（2）Cooling：The modified lignin resin solution is cooled to 0 DEG C with the speed of 80 DEG C/min, freeze-drying is then carried out, obtained
To the modified lignin resin powder.
Wherein, the MODIFIED PP resin is made by the steps：
（1）Raw material preparation：Every 100 weight portion PP resins, are equipped with 1.5 parts by weight maleic anhydride, 1.5 weight parts of methacrylic acid first
Ester, 3 weight portion nanometer diamond alkene, 1.5 weight portion cumyl peroxides, 2500 weight parts organic solvents；
（2）PP graft modifications：The PP resins, maleic anhydride, methyl methacrylate, cumyl peroxide are added into screw rod
Consolute in extruder, obtains PP consolute things, and consolute temperature is 160-180 DEG C；
（3）PP blending and modifyings：Take during nanometer diamond alkene adds part organic solvent, and carry out ultrasonic disperse 6h, obtain nanometer brill
Stone alkene dispersion liquid, the nanometer diamond alkene dispersion liquid, PP consolutes thing, remaining organic solvent are mixed, and are warming up to 180
DEG C insulation 1.5h, cooling, isolated solid, and be dried, ball milling, described MODIFIED PP resin obtained after sieving.
Wherein, the acid source is APP, and the source of the gas is melamine, and the acid source is 2 with the weight ratio of source of the gas:
1。
Wherein, the synergistic flame retardant is magnesium hydroxide or aluminium hydroxide.
Wherein, the anti-impact modifier is POE.
Wherein, also including 5 weight portions external lubricant and the in-lubricant of 5 weight portions, the external lubricant are polyethylene
Wax, the in-lubricant is aluminum foil stearate.
Wherein, also including 2 parts of antioxidants, the antioxidant presses 1 by irgasfos 168 and antioxidant 1010:1 weight
Ratio is constituted.
Embodiment 4
A kind of fire-retardant cupboard board, including following parts by weight raw material：
64 parts of modified lignin resin powder
12 parts of bamboo cellulose powder
66 parts of MODIFIED PP resin
35 parts of polyvinyl chloride resin
8 parts of capsule fire retardant
1.2 parts of synergistic flame retardant
7.5 parts of anti-impact modifier；
The capsule fire retardant with acid source, source of the gas as core, using melamine-formaldehyde resin prepolymer as capsule material.
Wherein, the preparation method of the modified bamboo fiber powder comprises the following steps：
（1）Graft modification：Lignin, acrylamide are added to the water, graft polymerization preformer solution is formed, 88 DEG C are stirred and be warming up to, plus
Enter potassium peroxydisulfate, and 2.5h is reacted under radiation parameter, obtain modified lignin resin solution, wherein the lignin, water, persulfuric acid
The mass ratio of potassium is 10:3000:0.2, the concentration of the acrylamide of the graft polymerization preformer solution is 2.2 mol/L；
（2）Cooling：The modified lignin resin solution is cooled to -12 DEG C with the speed of 74 DEG C/min, freeze-drying is then carried out,
Obtain the modified lignin resin powder.
Wherein, the MODIFIED PP resin is made by the steps：
（1）Raw material preparation：Every 100 weight portion PP resins, are equipped with 1.2 parts by weight maleic anhydride, 0.8 weight parts of methacrylic acid first
Ester, 1.5 weight portion nanometer diamond alkene, 0.9 weight portion cumyl peroxide, 2000 weight parts organic solvents；
（2）PP graft modifications：The PP resins, maleic anhydride, methyl methacrylate, cumyl peroxide are added into screw rod
Consolute in extruder, obtains PP consolute things, and consolute temperature is 168 DEG C；
（3）PP blending and modifyings：Take during nanometer diamond alkene adds part organic solvent, and carry out ultrasonic disperse 4.5h, obtain nanometer
Diamond alkene dispersion liquid, the nanometer diamond alkene dispersion liquid, PP consolutes thing, remaining organic solvent are mixed, and are warming up to
176 DEG C of insulation 1.4h, cooling, isolated solid, and be dried, ball milling, described MODIFIED PP resin obtained after sieving.
Wherein, the acid source is APP, and the source of the gas is melamine, and the acid source is 2 with the weight ratio of source of the gas:1.
Wherein, the synergistic flame retardant is magnesium hydroxide or aluminium hydroxide.
Wherein, the anti-impact modifier is SBS, SEBS, POE by weight 1:1:The mixture of 1 composition.
Wherein, also including 2 weight portions external lubricant and the in-lubricant of 4 weight portions, the external lubricant are paraffin, oxygen
Change Tissuemat E, Tissuemat E by weight 1:1:1 composition mixture, the in-lubricant be calcium stearate, zinc stearate,
Aluminum foil stearate is by weight 1:1:The mixture of 1 composition.
Wherein, also including 1.2 parts of antioxidants, the antioxidant presses 1 by irgasfos 168 and antioxidant 1010:1 weight
Amount ratio is constituted.
Embodiment 5
A kind of fire-retardant cupboard board, including following parts by weight raw material：
56 parts of modified lignin resin powder
17 parts of bamboo cellulose powder
74 parts of MODIFIED PP resin
25 parts of polyvinyl chloride resin
5 parts of capsule fire retardant
1.6 parts of synergistic flame retardant
6.8 parts of anti-impact modifier；
The capsule fire retardant with acid source, source of the gas as core, using Lauxite as capsule material.
Wherein, the preparation method of the modified bamboo fiber powder comprises the following steps：
（1）Graft modification：Lignin, acrylamide are added to the water, graft polymerization preformer solution is formed, 84 DEG C are stirred and be warming up to, plus
Enter potassium peroxydisulfate, and 3.6h is reacted under radiation parameter, obtain modified lignin resin solution, wherein the lignin, water, persulfuric acid
The mass ratio of potassium is 10:3000:0.2, the concentration of the acrylamide of the graft polymerization preformer solution is 1.8 mol/L；
（2）Cooling：The modified lignin resin solution is cooled to -14 DEG C with the speed of 77 DEG C/min, freeze-drying is then carried out,
Obtain the modified lignin resin powder.
Wherein, the MODIFIED PP resin is made by the steps：
（1）Raw material preparation：Every 100 weight portion PP resins, are equipped with 1.1 parts by weight maleic anhydride, 1.1 weight parts of methacrylic acid first
Ester, 2.4 weight portion nanometer diamond alkene, 1.2 weight portion cumyl peroxides, 1800 weight parts organic solvents；
（2）PP graft modifications：The PP resins, maleic anhydride, methyl methacrylate, cumyl peroxide are added into screw rod
Consolute in extruder, obtains PP consolute things, and consolute temperature is 168 DEG C；
（3）PP blending and modifyings：Take during nanometer diamond alkene adds part organic solvent, and carry out ultrasonic disperse 5.5h, obtain nanometer
Diamond alkene dispersion liquid, the nanometer diamond alkene dispersion liquid, PP consolutes thing, remaining organic solvent are mixed, and are warming up to
175 DEG C of insulation 1.1h, cooling, isolated solid, and be dried, ball milling, described MODIFIED PP resin obtained after sieving.
Wherein, the acid source is APP, and the source of the gas is melamine, and the acid source is 2 with the weight ratio of source of the gas:1.
Wherein, the synergistic flame retardant is magnesium hydroxide or aluminium hydroxide.
Wherein, the anti-impact modifier is by SBS, SEBS, POE, EPDM by weight 1:1:1:1 ratio composition.
Wherein, also including 4 weight portions external lubricant and the in-lubricant of 2 weight portions, the external lubricant are paraffin, oxygen
Change Tissuemat E by weight 1:The mixture of 1 composition, the in-lubricant is calcium stearate, aluminum foil stearate by weight 1:1
The mixture of composition.
Wherein, also including 1.9 parts of antioxidants, the antioxidant presses 1 by irgasfos 168 and antioxidant 1010:1 weight
Amount ratio is constituted.
Embodiment 6
A kind of fire-retardant cupboard board, including following parts by weight raw material：
67 parts of modified lignin resin powder
13 parts of bamboo cellulose powder
72 parts of MODIFIED PP resin
32 parts of polyvinyl chloride resin
8 parts of capsule fire retardant
1.6 parts of synergistic flame retardant
7 parts of anti-impact modifier；
The capsule fire retardant with acid source, source of the gas as core, using melamine resin performed polymer as capsule material.
Wherein, the preparation method of the modified bamboo fiber powder comprises the following steps：
（1）Graft modification：Lignin, acrylamide are added to the water, graft polymerization preformer solution is formed, 82 DEG C are stirred and be warming up to, plus
Enter potassium peroxydisulfate, and 3.1h is reacted under radiation parameter, obtain modified lignin resin solution, wherein the lignin, water, persulfuric acid
The mass ratio of potassium is 10:3000:0.2, the concentration of the acrylamide of the graft polymerization preformer solution is 1.7 mol/L；
（2）Cooling：The modified lignin resin solution is cooled to -8 DEG C with the speed of 73 DEG C/min, freeze-drying is then carried out,
Obtain the modified lignin resin powder.
Wherein, the MODIFIED PP resin is made by the steps：
（1）Raw material preparation：Every 100 weight portion PP resins, are equipped with 1.4 parts by weight maleic anhydride, 0.7 weight parts of methacrylic acid first
Ester, 2.6 weight portion nanometer diamond alkene, 0.6 weight portion cumyl peroxide, 700 weight parts organic solvents；
（2）PP graft modifications：The PP resins, maleic anhydride, methyl methacrylate, cumyl peroxide are added into screw rod
Consolute in extruder, obtains PP consolute things, and consolute temperature is 177 DEG C；
（3）PP blending and modifyings：Take during nanometer diamond alkene adds part organic solvent, and carry out ultrasonic disperse 4.3h, obtain nanometer
Diamond alkene dispersion liquid, the nanometer diamond alkene dispersion liquid, PP consolutes thing, remaining organic solvent are mixed, and are warming up to
172 DEG C of insulation 1.3h, cooling, isolated solid, and be dried, ball milling, described MODIFIED PP resin obtained after sieving.
Wherein, the acid source is APP, and the source of the gas is melamine, and the acid source is 2 with the weight ratio of source of the gas:1.
Wherein, the synergistic flame retardant is magnesium hydroxide or aluminium hydroxide.
Wherein, the anti-impact modifier is POE, EPDM by weight 1:The mixture of 1 composition.
Wherein, also including 3.5 weight portions external lubricant and the in-lubricant of 4.5 weight portions, the external lubricant are stone
Wax, Tissuemat E are by weight 1:The mixture of 1 composition, the in-lubricant is calcium stearate, zinc stearate by weight 1:1
The mixture of composition.
Wherein, also including 1.3 parts of antioxidants, the antioxidant presses 1 by irgasfos 168 and antioxidant 1010:1 weight
Amount ratio is constituted.
Embodiment 7
A kind of fire-retardant cupboard board, including following parts by weight raw material：
60 parts of modified lignin resin powder
15 parts of bamboo cellulose powder
70 parts of MODIFIED PP resin
30 parts of polyvinyl chloride resin
7 parts of capsule fire retardant
1.5 parts of synergistic flame retardant
7 parts of anti-impact modifier；
The capsule fire retardant with acid source, source of the gas as core, using Lauxite as capsule material.
Wherein, the preparation method of the modified bamboo fiber powder comprises the following steps：
（1）Graft modification：Lignin, acrylamide are added to the water, graft polymerization preformer solution is formed, 85 DEG C are stirred and be warming up to, plus
Enter potassium peroxydisulfate, and 3h is reacted under radiation parameter, obtain modified lignin resin solution, wherein the lignin, water, potassium peroxydisulfate
Mass ratio be 10:3000:0.2, the concentration of the acrylamide of the graft polymerization preformer solution is 2 mol/L；
（2）Cooling：The modified lignin resin solution is cooled to -10 DEG C with the speed of 75 DEG C/min, freeze-drying is then carried out,
Obtain the modified lignin resin powder.
Wherein, the MODIFIED PP resin is made by the steps：
（1）Raw material preparation：Every 100 weight portion PP resins, are equipped with 1 parts by weight maleic anhydride, 1 parts by weight of methylmethacrylate, 2
Weight portion nanometer diamond alkene, 1 weight portion cumyl peroxide, 1500 weight parts organic solvents；
（2）PP graft modifications：The PP resins, maleic anhydride, methyl methacrylate, cumyl peroxide are added into screw rod
Consolute in extruder, obtains PP consolute things, and consolute temperature is 170 DEG C；
（3）PP blending and modifyings：Take during nanometer diamond alkene adds part organic solvent, and carry out ultrasonic disperse 5h, obtain nanometer brill
Stone alkene dispersion liquid, the nanometer diamond alkene dispersion liquid, PP consolutes thing, remaining organic solvent are mixed, and are warming up to 170
DEG C insulation 1.25h, cooling, isolated solid, and be dried, ball milling, described MODIFIED PP resin obtained after sieving.
Wherein, the acid source is APP, and the source of the gas is melamine, and the acid source is 2 with the weight ratio of source of the gas:
1。
Wherein, the synergistic flame retardant is magnesium hydroxide or aluminium hydroxide.
Wherein, the anti-impact modifier is SBS.
Embodiment 8
A kind of fire-retardant cupboard board, including following parts by weight raw material：
60 parts of modified lignin resin powder
15 parts of bamboo cellulose powder
70 parts of MODIFIED PP resin
30 parts of polyvinyl chloride resin
7 parts of capsule fire retardant
1.5 parts of synergistic flame retardant
7 parts of anti-impact modifier；
The capsule fire retardant with acid source, source of the gas as core, using Lauxite as capsule material.
Wherein, the acid source is APP, and the source of the gas is melamine, and the acid source is 2 with the weight ratio of source of the gas:
1。
Wherein, the synergistic flame retardant is magnesium hydroxide or aluminium hydroxide.
Wherein, the anti-impact modifier is SBS.
Wherein, also including 3 weight portions external lubricant and the in-lubricant of 3 weight portions, the external lubricant are paraffin, institute
In-lubricant is stated for calcium stearate.
Wherein, also including 1.5 parts of antioxidants, the antioxidant presses 1 by irgasfos 168 and antioxidant 1010:1 weight
Amount ratio is constituted.
The cupboard board of embodiment 1-8 is obtained by the following method：
（1）Premixing：Modified lignin resin powder, bamboo cellulose powder, capsule fire retardant, synergistic flame retardant described in weight proportion are added
It is well mixed in mixer, obtains mixed-powder；
（2）MODIFIED PP resin reclaimed materials by the mixed-powder and by weight ratio, anti-impact modifier（With external lubricant,
In-lubricant, antioxidant）Extruded in addition double screw extruder and send into die for molding, in the double screw extruder
Operating temperature is 160-200 DEG C.
Performance measurement is carried out to embodiment 1-8.According to UL94-2009 standard test fire-retardant ranks, according to GB/T2406.2-
2009 standard test limited oxygen indexs, according to ASTMD638-08 standard test tensile strengths, survey according to ASTMD256-06a standards
Determine impact strength, according to ASTMD790-03 standard tests bending strength and bending modulus, inhaled according to ASTMD570 standard tests
Water rate.
As can be seen from the above table, the tensile strength of cupboard board of the invention, impact strength, bending strength are far superior to
Tradition modeling plank, fire resistance has also reached V-0 grades, and because its hydroscopicity is extremely low, even if being placed on the environment of humidity
Also it is less likely to occur the situation that the moisture absorption separates out fire retardant.Surveyed by real product examine, cupboard board of the invention is in normal occupancy environment
" returning frost " phenomenon will not occur.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected
The limitation of scope is protected, although being explained to the present invention with reference to preferred embodiment, one of ordinary skill in the art should
Work as understanding, technical scheme can be modified or equivalent, without deviating from the reality of technical solution of the present invention
Matter and scope.
Claims (10)
1. a kind of fire-retardant cupboard board, it is characterised in that：Raw material including following parts by weight：
50-70 parts of modified lignin resin powder
10-20 parts of bamboo cellulose powder
60-80 parts of MODIFIED PP resin
Polyvinyl chloride resin 20-40 parts
4-10 parts of capsule fire retardant
Synergistic flame retardant 1-2 parts
Anti-impact modifier 6-8 parts；
The capsule fire retardant with acid source, source of the gas as core, using Lauxite or melamine resin performed polymer as glue
Capsule material.
2. a kind of fire-retardant cupboard board according to claim 1, it is characterised in that：Raw material including following parts by weight：
60 parts of modified lignin resin powder
15 parts of bamboo cellulose powder
70 parts of MODIFIED PP resin
30 parts of polyvinyl chloride resin
7 parts of capsule fire retardant
1.5 parts of synergistic flame retardant
7 parts of anti-impact modifier.
3. a kind of fire-retardant cupboard board according to claim 1, it is characterised in that：The preparation method of the modified bamboo fiber powder
Comprise the following steps：
（1）Graft modification：Lignin, acrylamide are added to the water, graft polymerization preformer solution is formed, 80-90 DEG C is stirred and be warming up to,
Potassium peroxydisulfate is added, and 2-4h is reacted under radiation parameter, modified lignin resin solution is obtained, wherein the lignin, water, over cure
The mass ratio of sour potassium is 10:3000:0.2, the concentration of the acrylamide of the graft polymerization preformer solution is 1.5mol/L-2.5 mol/
L；
（2）Cooling：The modified lignin resin solution is cooled to -20-0 DEG C with the speed of 70-80 DEG C/min, is then freezed
Dry, obtain the modified lignin resin powder.
4. a kind of fire-retardant cupboard board according to claim 1, it is characterised in that：The MODIFIED PP resin is as follows
Prepare：
（1）Raw material preparation：Every 100 weight portion PP resins, are equipped with 0.5-1.5 parts by weight maleic anhydride, 0.5-1.5 weight portion methyl
Methyl acrylate, 1-3 weight portion nanometer diamonds alkene, 0.5-1.5 weight portions cumyl peroxide, 500-2500 weight portions are organic
Solvent；
（2）PP graft modifications：The PP resins, maleic anhydride, methyl methacrylate, cumyl peroxide are added into screw rod
Consolute in extruder, obtains PP consolute things, and consolute temperature is 160-180 DEG C；
（3）PP blending and modifyings：Take during nanometer diamond alkene adds part organic solvent, and carry out ultrasonic disperse 4-6h, obtain nanometer
Diamond alkene dispersion liquid, the nanometer diamond alkene dispersion liquid, PP consolutes thing, remaining organic solvent are mixed, and are warming up to
160-180 DEG C of insulation 1-1.5h, cooling, isolated solid, and be dried, ball milling, described MODIFIED PP obtained after sieving
Resin.
5. a kind of fire-retardant cupboard board according to claim 1, it is characterised in that：The acid source is APP, the gas
Source is melamine, and the acid source is 2 with the weight ratio of source of the gas:1.
6. a kind of fire-retardant cupboard board according to claim 1, it is characterised in that：The synergistic flame retardant be magnesium hydroxide or
Aluminium hydroxide.
7. a kind of fire-retardant cupboard board according to claim 1, it is characterised in that：The anti-impact modifier be SBS,
At least one in SEBS, POE, EPDM.
8. a kind of fire-retardant cupboard board according to claim 1, it is characterised in that：Also include the external lubricant of 1-5 weight portions
With the in-lubricant of 1-5 weight portions, the external lubricant is at least one in paraffin, OPE or Tissuemat E,
The in-lubricant is at least one in calcium stearate, zinc stearate, aluminum foil stearate.
9. a kind of fire-retardant cupboard board according to claim 1, it is characterised in that：Also include 1-2 parts of antioxidant, it is described anti-
Oxidant presses 1 by irgasfos 168 and antioxidant 1010:1 part by weight composition.
10. the preparation method of a kind of fire-retardant cupboard board described in claim 1-9 any one, it is characterised in that：Including as follows
Step：
（1）Premixing：Modified lignin resin powder, bamboo cellulose powder, capsule fire retardant, synergistic flame retardant described in weight proportion are added
It is well mixed in mixer, obtains mixed-powder；
（2）MODIFIED PP resin by the mixed-powder and by weight ratio, polyvinyl chloride resin, anti-impact modifier add twin-screw
Die for molding is extruded and sent into extruder.
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| CN111849187A (en) * | 2020-07-22 | 2020-10-30 | 广西丰林木业集团股份有限公司 | Water-resistant formaldehyde-free high-density fiberboard and preparation process thereof |
| CN114348405A (en) * | 2021-12-30 | 2022-04-15 | 嘉兴吉美包装有限公司 | High-temperature-resistant flame-retardant packaging carton and preparation method thereof |
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