CN105885459B - Environment-friendly flame-retarding fiberboard and preparation method thereof - Google Patents
Environment-friendly flame-retarding fiberboard and preparation method thereof Download PDFInfo
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- CN105885459B CN105885459B CN201610277682.XA CN201610277682A CN105885459B CN 105885459 B CN105885459 B CN 105885459B CN 201610277682 A CN201610277682 A CN 201610277682A CN 105885459 B CN105885459 B CN 105885459B
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- 239000011094 fiberboard Substances 0.000 title claims abstract description 20
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 239000000835 fiber Substances 0.000 claims abstract description 89
- 239000003063 flame retardant Substances 0.000 claims abstract description 81
- 239000002699 waste material Substances 0.000 claims abstract description 47
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 33
- 229920001276 ammonium polyphosphate Polymers 0.000 claims abstract description 17
- 239000004114 Ammonium polyphosphate Substances 0.000 claims abstract description 15
- 235000019826 ammonium polyphosphate Nutrition 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims abstract description 14
- 229920000877 Melamine resin Polymers 0.000 claims abstract description 13
- 229910021502 aluminium hydroxide Inorganic materials 0.000 claims abstract description 13
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims abstract description 13
- BIKXLKXABVUSMH-UHFFFAOYSA-N trizinc;diborate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]B([O-])[O-].[O-]B([O-])[O-] BIKXLKXABVUSMH-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000007731 hot pressing Methods 0.000 claims abstract description 12
- 238000002156 mixing Methods 0.000 claims abstract description 12
- 238000003825 pressing Methods 0.000 claims abstract description 10
- 238000010494 dissociation reaction Methods 0.000 claims abstract description 6
- 230000005593 dissociations Effects 0.000 claims abstract description 6
- 239000000203 mixture Substances 0.000 claims abstract description 5
- 238000000465 moulding Methods 0.000 claims abstract description 5
- 239000010902 straw Substances 0.000 claims description 12
- 239000002002 slurry Substances 0.000 claims description 5
- 241000609240 Ambelania acida Species 0.000 claims description 4
- 229920000742 Cotton Polymers 0.000 claims description 4
- 241000209140 Triticum Species 0.000 claims description 4
- 235000021307 Triticum Nutrition 0.000 claims description 4
- 240000008042 Zea mays Species 0.000 claims description 4
- 235000016383 Zea mays subsp huehuetenangensis Nutrition 0.000 claims description 4
- 235000002017 Zea mays subsp mays Nutrition 0.000 claims description 4
- 239000010905 bagasse Substances 0.000 claims description 4
- 238000005034 decoration Methods 0.000 claims description 4
- 235000009973 maize Nutrition 0.000 claims description 4
- 239000004753 textile Substances 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 7
- 239000002994 raw material Substances 0.000 abstract description 6
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 14
- 239000000654 additive Substances 0.000 description 6
- 230000000996 additive effect Effects 0.000 description 6
- 229910052796 boron Inorganic materials 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- 239000002585 base Substances 0.000 description 4
- 238000005452 bending Methods 0.000 description 4
- 238000000605 extraction Methods 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 230000002742 anti-folding effect Effects 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910021538 borax Inorganic materials 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- QGBSISYHAICWAH-UHFFFAOYSA-N dicyandiamide Chemical compound NC(N)=NC#N QGBSISYHAICWAH-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 150000003014 phosphoric acid esters Chemical class 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000002464 physical blending Methods 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000004328 sodium tetraborate Substances 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Classifications
-
- 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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/08—Moulding or pressing
- B27N3/10—Moulding of mats
- B27N3/12—Moulding of mats from fibres
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
-
- 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
- C08K3/32—Phosphorus-containing compounds
-
- 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
- C08K3/38—Boron-containing compounds
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
- C08K5/3477—Six-membered rings
- C08K5/3492—Triazines
- C08K5/34922—Melamine; Derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
-
- 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
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/322—Ammonium phosphate
- C08K2003/323—Ammonium polyphosphate
-
- 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
- C08K3/38—Boron-containing compounds
- C08K2003/387—Borates
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
- Paper (AREA)
Abstract
The present invention relates to environment-friendly flame-retarding fiberboards and preparation method thereof, and it is big effectively to solve existing panel weight, of high cost, it is of poor quality, short life, the problem of feature of environmental protection difference, method is to clean waste and old fibre, make dry, crushing, it is placed in 2% NaOH solution of mass concentration and is impregnated for 24 hours, it is washed, is dissociated with fiber dissociation device at 5000r/min, then washed with clear water with clear water, NaOH is set to be removed completely, the wet fiber that obtains that treated；Fire retardant is made by aluminium hydroxide, ammonium polyphosphate, melamine and zinc borate mixing；Will treated wet fiber under stiring together with fire retardant mixture, starched at uniform plate；Plate is starched and is packed into die for molding, it is standby at environment-friendly flame-retarding fiberboard, abundant raw materials of the present invention, waste utilization through cold pressing, hot pressing, it economizes on resources, reduces environmental pollution, preparation method is simple, at low cost, efficient, good product quality, service life is long, and economic and social benefit is huge.
Description
Technical field
The present invention relates to plank, especially a kind of environment-friendly flame-retarding fiberboard and preparation method thereof.
Background technology
With the raising of awareness of safety, requirement of the people to flame-proof sheet material is also higher and higher, is preparing flame retardant fibre board not
Only to consider plank type, consider fire retardant pressure method and fire retardant types again.Plank type wherein used at present：
Mainly there are cement plate, fiber cement board, plasterboard etc., they mainly have following deficiency：
(1) plank is heavier.
(2) anti-folding, shock resistance and toughness are poor.
(3) cost is relatively high.
Applying method and fire retardant types：
Flame-proof sheet material application is most universal in the prior art and is widely additive process.The fire retardant types of selection mainly have
Boron, N-P, N-P- boron, expansion type flame retardant etc., the N-P- boron wherein in dilatancy are particularly best.The N of selection have melamine,
The P of dicyandiamide etc., selection has ammonium polyphosphate, phosphate, phosphoric acid ester etc., boron to have boric acid, borax, zinc borate etc., theirs answers
With having the following disadvantages：
（1）Increase with the addition of fire retardant, plank mechanical properties decrease.
（2）Flame retardant property is in reverse effect with plank mechanical property.
（3）Organic fire-retardant stability is poor, easily decomposes and is lost in sheeting process, of poor quality, using effect is poor, the service life
It is short.
Therefore, plank and improvement in preparation method and innovation are imperative.
Invention content
For the above situation, to overcome the defect of the prior art, the purpose of the present invention to be just to provide a kind of environmental protection flame retardant fibre
Plate and preparation method thereof is tieed up, can effectively solve that existing panel weight is big, and of high cost, of poor quality, short life, feature of environmental protection difference is asked
Topic.
The technical solution that the present invention solves is, the environment-friendly flame-retarding fiberboard be include waste and old fibre and fire retardant, waste and old fibre
The mass ratio of dimension and fire retardant is 100 ︰ 20-30；The fire retardant includes by mass percent meter：Aluminium hydroxide 20-
40%, ammonium polyphosphate 30-50%, melamine 10-25% and zinc borate 5-20%；
The waste and old fibre select old newsprint, litter decoration, maize straw, Wheat Straw, cotton stalk, straw, bagasse and
The combination of one or more of waste textile.
Preparation method is：
（1）The processing of waste and old fibre
Waste and old fibre is cleaned, system it is dry, crush, be placed in 2% NaOH solution of mass concentration and impregnated for 24 hours, with clear
Water washing is dissociated with fiber dissociation device at 5000r/min, then is washed with clear water, NaOH is made to be removed completely, obtains that treated
Wet fiber, and calculate the content of waste and old fibre in wet fiber；
（2）Prepare fire retardant
It will be by mass percent meter：Aluminium hydroxide（ATH）20-40%, ammonium polyphosphate（APP）30-50%, melamine
10-25% and zinc borate 5-20% mixings are configured to fire retardant；
（3）Mixed pulp
The mass ratio of waste and old fibre and fire retardant is 100 ︰ 20-30, by step（1）Treated wet fiber under stiring with
Together, mixing speed 200-400r/min, time 30-60min are starched fire retardant mixture at uniform plate；
（4）Making sheet
By step（3）Manufactured plate slurry is packed into die for molding, standby at environment-friendly flame-retarding fiberboard through cold pressing, hot pressing,
In, the cold pressing pressure is 4-6MPa, room temperature（18-25 DEG C of room temperature）；The hot pressing pressure is 4-6MPa, temperature 120-
180℃。
It cleans it is noted that the mass ratio of waste and old fibre and fire retardant that the present invention provides refers to waste and old fibre, make and do
Waste and old fibre afterwards is not the wet fiber after base extraction, if with the wet fiber after base extraction, to carry out moisture content meter
It calculates, then calculates the dosage between wet fiber and fire retardant, such as required board quality is 300g, and it is fibre to choose fire retardant additive amount
The 20% of total amount is tieed up, then the amount of required fiber and fire retardant is respectively 250g and 50g（It is prepared by the different proportion of fire retardant is concentrated
50g fire retardants）；If fiber moisture is 50%, required processed wet fiber should be 500g, and so on, it does not arrange one by one
It lifts.
Abundant raw materials of the present invention, waste utilization economize on resources, and reduce environmental pollution, and preparation method is simple, at low cost,
Efficient, good product quality, service life is long, and economic and social benefit is huge, compared with prior art, has raw material（It is waste and old
Fiber）Innovation with fire retardant is combined the flame-retardant fiber plate worked it out, and has the advantages that following prominent：
（1）It is raw material using waste and old fibre, had not only saved resource, reduced cost, but also protected environment so that resource obtains
High efficiente callback recycling is arrived.
（2）It is at low cost, source is wide.
（3）Fiberboard is light, and anti-folding, shock resistance and toughness are preferable, and service life is long, prolongs the service life 1 times or more；
Using aluminium hydroxide-N-P- boron fire retardant preservative compound flame retardants, advantage is as follows：
（1）Fire retardant is environmentally friendly, nontoxic.
（2）Though N, P and the fire-retardant synergistic of boron can all make plank mechanical properties decrease with the increase of its additive amount, and hydrogen
The addition of aluminium oxide alleviates the decline of its mechanical property.On the basis of improving flame retardant property, the mechanical property of plank is
Decline, but amplitude very little, is basically unchanged.
（3）The fire retardant thermal stability of selection is good, and the energy high temperature resistant in fiberboard hot pressing will not make it decompose and lead
Cause the loss of fire retardant.
（4）At low cost, ammonium polyphosphate is expensive, and aluminium hydroxide price is very cheap, and the addition of partial aluminum hydroxide makes
It obtains ammonium polyphosphate dosage to reduce, reduces cost.
Specific implementation mode
It elaborates with reference to embodiments to the specific implementation mode of the present invention.
The present invention in specific implementation, can be provided by following embodiment.
Embodiment 1
In specific implementation, which is made the present invention of waste and old fibre and fire retardant, waste and old fibre
Mass ratio with fire retardant is 100 ︰ 27, and the fire retardant is by mass percent meter：Aluminium hydroxide 28%, ammonium polyphosphate
36%, melamine 20% and 16% mixing of zinc borate are made；
The waste and old fibre is old newsprint, litter decoration, maize straw, Wheat Straw, cotton stalk, straw, bagasse and gives up
One or more kinds of mixing of old textile.
Preparation method is：
（1）The processing of waste and old fibre
Waste and old fibre is cleaned, system it is dry, crush, be placed in 2% NaOH solution of mass concentration and impregnated for 24 hours, with clear
Water washing is dissociated with fiber dissociation device at 5000r/min, then is washed with clear water, NaOH is made to be removed completely, obtains that treated
Wet fiber, and calculate the content of waste and old fibre in wet fiber；
It is washed it is noted that the mass ratio of waste and old fibre and fire retardant that the embodiment of the present invention provides refers to waste and old fibre
Only the waste and old fibre after, system is dry, is not the wet fiber after base extraction, if with the wet fiber after base extraction, to be contained
Water rate calculates, then calculates the dosage between wet fiber and fire retardant.If required board quality is 300g, fire retardant addition is chosen
Amount is the 20% of fiber total amount, then the amount of required fiber and fire retardant is respectively 250g and 50g（By the not year-on-year of concentration fire retardant
Example prepares 50g fire retardants）；If fiber moisture is 50%（That is, the content accounting of waste and old fibre is 50%）, then required processed
Wet fiber should be 500g, and so on, it is not listed one by one.
（2）Prepare fire retardant
It will be by mass percent meter：Aluminium hydroxide 28%, 16% mixing of ammonium polyphosphate 36%, melamine 20% and zinc borate
It is configured to fire retardant；
（3）Mixed pulp
The mass ratio of waste and old fibre and fire retardant is 100 ︰ 27, by step（1）Treated wet fiber under stiring with resistance
Fire agent mixture together, mixing speed 200-400r/min, time 30-60min are starched at uniform plate；
（4）Making sheet
By step（3）Manufactured plate slurry is packed into die for molding, standby at environment-friendly flame-retarding fiberboard through cold pressing, hot pressing,
In, the cold pressing pressure is 4-6MPa, room temperature（18-25 DEG C of room temperature）；The hot pressing pressure is 4-6MPa, temperature 120-
180℃。
By environment-friendly flame-retarding fiberboard prepared by the method that embodiment 1 provides, through test on probation, oxygen index (OI)（LOI）It can be high
Up to 36, the internal bond strength of fiberboard is 0.86MPa, static bending strength 60MPa, elasticity modulus 5.4MPa, for 24 hours water sucting thickness
Expansion rate is 9.8.
Embodiment 2
In specific implementation, which is made the present invention of waste and old fibre and fire retardant, waste and old fibre
Mass ratio with fire retardant is 100 ︰ 24.
Environment-friendly flame-retarding fiberboard manufacturing process：
（1）The processing of waste and old fibre
The waste and old fibre of collection is crushed, 2%NaOH is added and carries out alkali steeping, is washed afterwards with clear water for 24 hours, then with fiber solution
From device（5000r）Further dissociation, and carrying out clear water washing again makes alkali be removed completely, then carry out removing water process.It takes
Drying calculates moisture content.
（2）Fire retardant additive amount and preparation
The additive amount of fire retardant accounts for the 20%-30% of fiber total amount, and aluminium hydroxide accounts for the 20%-40% of fire retardant total amount, poly- phosphorus
Sour ammonium accounts for 30%-50%, melamine accounts for 10%-25%, zinc borate accounts for 5%-20%, is mixed in a certain ratio, and is stirred with glass bar
It mixes, it is made to be uniformly mixed.Preferably, in the fire retardant, by mass percent meter, aluminium hydroxide accounts for 28%, ammonium polyphosphate and accounts for
36%, melamine accounts for 20%, zinc borate and accounts for 16%.
（3）The flame retardant treatment of fiber
According to board quality requirement and fire retardant additive amount, quality needed for fiber and fire retardant is calculated separately, because fiber is
Hygrometric state, the fiber that can be calculated according to fiber moisture and respective handling is taken to cross is put it into large beaker, and each by fire retardant
Component ratio is prepared fire retardant and is uniformly mixed, it is carried out simple physical blending with fiber under mechanical agitation,
Mixing speed is 200r/min-400r/min, and time 30min-60min makes it uniformly be mixed with fiber.
（4）The preparation of flame retardant fibre board
It puts above-mentioned processed fiber into mold middle berth and dresses up type, then flame retardant fibre board is prepared into through cold, hot pressure two-step method.
Wherein, it is cold-pressed (4-6MPa), temperature of colding pressing is room temperature, hot pressing（4-6MPa）, hot pressing temperature is（120-180℃）, can obtain fire-retardant
Fiberboard；The flame retardant property of gained plank is obviously high, oxygen index (OI)（LOI）Up to 36, the internal bond strength of fiberboard is
0.86MPa, static bending strength 60MPa, elasticity modulus 5.4MPa, thickness swelling rate is 9.8 for 24 hours.
The raw material that the present invention uses be old newsprint, litter decoration, maize straw, Wheat Straw, cotton stalk, straw, bagasse and
Waste textile etc., these waste and old fibres had not only caused the waste of resource but also polluted environment, as raw material, fibreboard,
It does not only reach that light, anti-folding, bending resistance, good toughness, at low cost, source is wide, energy-saving and environment-friendly purpose, also achieves waste and old fibre money
The high efficiente callback in source recycles, and reaches the bumper harvests of economic benefit and social benefit.
The fire retardant that the present invention uses is：Aluminium hydroxide（ATH）, ammonium polyphosphate（APP）, melamine and zinc borate, tool
Body principle：N in ammonium polyphosphate easily forms hydrogen bond with the OH on fiber so that and fire retardant is easy to basis material and combines and disperse,
Other fire retardants are mixed on this basis to be compounded；With the fire-retardant fire-retardant phase of gas phase with melamine of the condensed phase of ammonium polyphosphate
In conjunction with the suppression cigarette synergistic of zinc borate, reaches good flame retardant effect in addition.Though reaching good flame retardant effect, plank mechanics
Performance substantially reduces, and cost is also high.However, the addition of a certain amount of aluminium hydroxide can on the basis of ensureing plank flame retardant property,
The reduction for alleviating fiberboard mechanical property, makes it be basically unchanged, and cost is also low.
And through trying out and repeatedly test on the spot, achieve it is same or similar as a result, at low cost, good product quality,
The flame retardant property of gained plank significantly improves, oxygen index (OI)（LOI）It is increased to the 34-36 after addition, fiber from 21 when being not added with
The internal bond strength of plate is substantially in 0.82-0.96MPa, and static bending strength is substantially in 42-63MPa, and elasticity modulus is substantially in 3.8-
5.8MPa, substantially in 8.2-12.3, mechanical properties decrease amplitude very little is basically unchanged, can reduce life thickness swelling rate for 24 hours
Cost 40-50% is produced, service life can extend 1 times or more, and reduce waste pollution on the environment, energy conservation and environmental protection,
Use value and commercial value are effectively increased, economic and social benefit is huge.
Claims (2)
1. a kind of environment-friendly flame-retarding fiberboard, which is characterized in that including waste and old fibre and fire retardant, the matter of waste and old fibre and fire retardant
Amount is than being 100 ︰ 20-30；The fire retardant includes by mass percent meter：Aluminium hydroxide 20-40%, ammonium polyphosphate 30-
50%, melamine 10-25% and zinc borate 5-20%；
The waste and old fibre selects old newsprint, litter decoration, maize straw, wheat straw bar, cotton stalk, straw, bagasse and waste and old
The combination of one or more of textile；
Its preparation includes the following steps：
（1）The processing of waste and old fibre
Waste and old fibre is cleaned, makes and does, is crushed, is placed in 2% NaOH solution of mass concentration and is impregnated for 24 hours, washed with clear water
It washs, is dissociated, then washed with clear water with fiber dissociation device at 5000r/min, NaOH is made to be removed completely, the wet fibre that obtains that treated
Dimension, and calculate the content of waste and old fibre in wet fiber；
（2）Prepare fire retardant
It will be by mass percent meter：Aluminium hydroxide 20-40%, ammonium polyphosphate 30-50%, melamine 10-25% and zinc borate 5-
20% mixing is configured to fire retardant；
（3）Mixed pulp
The mass ratio of waste and old fibre and fire retardant is 100 ︰ 20-30, by step（1）Treated wet fiber under stiring with it is fire-retardant
Together, mixing speed 200-400r/min, time 30-60min are starched agent mixture at uniform plate；
（4）Making sheet
By step（3）Manufactured plate slurry is packed into die for molding, standby at environment-friendly flame-retarding fiberboard through cold pressing, hot pressing；Wherein, institute
The cold pressing pressure stated is 4-6MPa, and temperature is room temperature；The hot pressing pressure is 4-6MPa, 120-180 DEG C of temperature.
2. environment-friendly flame-retarding fiberboard according to claim 1, which is characterized in that its described preparation includes the following steps：
（1）The processing of waste and old fibre
Waste and old fibre is cleaned, makes and does, is crushed, is placed in 2% NaOH solution of mass concentration and is impregnated for 24 hours, washed with clear water
It washs, is dissociated, then washed with clear water with fiber dissociation device at 5000r/min, NaOH is made to be removed completely, the wet fibre that obtains that treated
Dimension；
（2）Prepare fire retardant
It will be by mass percent meter：Aluminium hydroxide 28%, ammonium polyphosphate 36%, melamine 20% and 16% mixing of zinc borate are prepared
At fire retardant；
（3）Mixed pulp
The mass ratio for counting waste and old fibre and fire retardant in mass ratio is 100 ︰ 27 or 100 ︰ 24, by step（1）Treated wet fibre
It ties up under stiring together with fire retardant mixture, mixing speed 200-400r/min, time 30-60min, at uniform plate
Slurry；
（4）Making sheet
By step（3）Manufactured plate slurry is packed into die for molding, standby at environment-friendly flame-retarding fiberboard through cold pressing, hot pressing, wherein institute
The cold pressing pressure stated is 4-6MPa, and temperature is room temperature；The hot pressing pressure is 4-6MPa, 120-180 DEG C of temperature.
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| CN201610277682.XA CN105885459B (en) | 2016-04-28 | 2016-04-28 | Environment-friendly flame-retarding fiberboard and preparation method thereof |
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| CN105885459B true CN105885459B (en) | 2018-10-02 |
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| CN106087597A (en) * | 2016-08-27 | 2016-11-09 | 安阳华森纸业有限责任公司 | The preparation method of flame retardant fibre board |
| CN106638072A (en) * | 2016-10-28 | 2017-05-10 | 河南华禹环保科技有限公司 | Production method of flame-retardant fiber board |
| CN107234704A (en) * | 2017-06-15 | 2017-10-10 | 阜阳市宏桥建材有限公司 | A kind of high intensity density stalk board manufacturing method |
| CN110052476A (en) * | 2019-04-24 | 2019-07-26 | 山东黄河三角洲纺织科技研究院有限公司 | A method of composite board is made using clothing |
| CN110405894A (en) * | 2019-06-20 | 2019-11-05 | 黄仕强 | Waste textile, the method for rice straw processing novel plate and various shells |
| CN114213711A (en) * | 2021-12-14 | 2022-03-22 | 深圳市锦昊辉实业发展有限公司 | Preparation method of halogen-free composite flame retardant, flame-retardant polyolefin and preparation method thereof |
| CN115922860A (en) * | 2022-12-27 | 2023-04-07 | 薪业资源(大连)科技发展有限公司 | Flame-retardant biomass solid powder, production method thereof and flame-retardant plate |
| CN116100645B (en) * | 2022-12-27 | 2024-06-14 | 薪业资源(江苏)科技有限公司 | Plastic solid powder produced by taking biomass as raw material, production method thereof and molded plate |
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| JP2002256107A (en) * | 2001-03-05 | 2002-09-11 | Ykk Corp | Composite resin molded form containing flame retardant cellulose powder and its manufacturing method |
| CN101716793B (en) * | 2009-11-27 | 2011-09-28 | 北京化工大学 | Aluminium hydroxide composite anti-flaming density fiber board and preparation method thereof |
| CN103341898B (en) * | 2013-07-04 | 2016-04-06 | 大连工业大学 | A kind of preparation method of flame retardant corn cob clad fiber/polylactic acid fiberboard |
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