CN107868169A - A kind of ingrain fireproofing Wood plastic composite and preparation method thereof - Google Patents
A kind of ingrain fireproofing Wood plastic composite and preparation method thereof Download PDFInfo
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- CN107868169A CN107868169A CN201711333583.XA CN201711333583A CN107868169A CN 107868169 A CN107868169 A CN 107868169A CN 201711333583 A CN201711333583 A CN 201711333583A CN 107868169 A CN107868169 A CN 107868169A
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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
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/22—Esters containing halogen
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/04—Acids; Metal salts or ammonium salts thereof
- C08F220/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
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- C08F230/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal
- C08F230/02—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal containing phosphorus
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F232/00—Copolymers of cyclic compounds containing no unsaturated aliphatic radicals in a side chain, and having one or more carbon-to-carbon double bonds in a carbocyclic ring system
- C08F232/02—Copolymers of cyclic compounds containing no unsaturated aliphatic radicals in a side chain, and having one or more carbon-to-carbon double bonds in a carbocyclic ring system having no condensed rings
- C08F232/06—Copolymers of cyclic compounds containing no unsaturated aliphatic radicals in a side chain, and having one or more carbon-to-carbon double bonds in a carbocyclic ring system having no condensed rings having two or more carbon-to-carbon double bonds
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
- C08F8/14—Esterification
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
- C08F8/30—Introducing nitrogen atoms or nitrogen-containing groups
- C08F8/32—Introducing nitrogen atoms or nitrogen-containing groups by reaction with amines
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
- C08L61/04—Condensation polymers of aldehydes or ketones with phenols only
- C08L61/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
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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
- C08K3/18—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
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- 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
- C08L2205/03—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
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Abstract
A kind of ingrain fireproofing Wood plastic composite and preparation method thereof, the composite includes ingrain fireproofing fabric and core, and the ingrain fireproofing fabric is mainly made up by vinyl phosphoric acid, along 3 bromoacrylic acid ethyl esters, hexacholorocyclopentadiene, acrylic acid, melamine, pentabromophenol of primary raw material.The ingrain fireproofing core mainly can be made up of brominated epoxy resin, thermoplastic phenolic resin, wood powder, lubricant, aluminium hydroxide, compatilizer of raw material.The Wood plastic composite of the present invention has lasting anti-flammability.
Description
Technical field
The invention belongs to fire proofing technical field, and in particular to a kind of ingrain fireproofing Wood plastic composite and its preparation side
Method.
Background technology
The weatherability of acrylic resin is very excellent, is the first choice of current outdoor weathe resistance resin, is frequently used for vehicle body
Finish paint, and the Wood plastic composite of co-extrusion, fabric will also expose out of doors for a long time, and as the table of co-extruded plastic-wood material
Layer, its fire resistance directly affects the fire resistance of plastic-wood material, if its excellent flame retardancy, then extraneous thermal source root
Originally core can not be touched, then the fire resistance of co-extruded plastic-wood composite is inevitable very outstanding.
Currently used fabric material such as polyurethane, PE, PP etc., weatherability is general, and fire resistance is poor.Traditional
In flame-resistant plastic-wood composite materials, the method using addition fire retardant, such as APP, such as public affairs in CN 1837278A are substantially
Open, or additional fire retardant three (dibromo phenyl) phosphate, decabromodiphenyl oxide etc., as disclosed in CN 102321376A, i.e.,
It is that basic is also to be blended to form inflaming retarding fabric or core using additional fire retardant using the fire-retardant Wood plastic composite of co-extrusion
Material, as disclosed in CN104149427A, CN 105566755A.Deposited during due to additional fire retardant out of doors use
It is easy decompose, with rain water runoff the problems such as, cause the outdoor fire resistance using Wood plastic composite to decline quickly, until disappearing
Lose, and with the loss of additional type fire retardant, cause to mould wood surface out-of-flatness and fire resistance drastically declines.
Therefore, it is necessary to develop with the flame-resistant plastic-wood composite materials for stablizing fire resistance.
The content of the invention
Therefore, an object of the present invention is to provide a kind of ingrain fireproofing Wood plastic composite.The modeling wood of the present invention is multiple
Condensation material has lasting anti-flammability.
For the above-mentioned purpose, the present invention adopts the following technical scheme that：
A kind of ingrain fireproofing Wood plastic composite, including ingrain fireproofing fabric and core, the ingrain fireproofing fabric are main
It is raw material by vinyl phosphonate, cis- 3- bromoacrylic acids ethyl ester, hexacholorocyclopentadiene, acrylic acid, melamine, pentabromophenol
It is made, the raw material of the ingrain fireproofing fabric forms as follows as mass fraction：
The ingrain fireproofing Wood plastic composite of the present invention can be by the way that ingrain fireproofing fabric and core co-extrusion be obtained.
Preferably, the initiator is azodiisobutyronitrile and/or dibenzoyl peroxide.
Preferably, catalyst is tetra-tert titanate esters and/or tributyltin chloride.
Existing preparation method can be used to be prepared for ingrain fireproofing fabric, preferably, prepared by the ingrain fireproofing fabric
Process is as follows：
(1) by vinyl phosphoric acid, cis- 3- bromoacrylic acids ethyl ester, hexacholorocyclopentadiene, acrylic acid in xylene solvent
In, it is copolymerized under initiator effect；
(2) melamine and pentabromophenol are added into step (1) reaction system with the carboxyl in copolymer in catalyst
Effect is lower to carry out amidatioon and esterification modification reaction；
(3) ingrain fireproofing of special synthesis is obtained after step (2) reaction terminates after removing xylene solvent, drying
Fabric.The acid number ＜ 1mgKOH/g of fabric, obtained ingrain fireproofing fabric can be granulated, such as pass through double screw extruder
It is granulated.
Preferably, in step (1) copolyreaction temperature be more than 90 DEG C, preferably 110-130 DEG C, the time be 0.5h with
On, preferably 1-3h.
Preferably, the molecular weight of step (1) resulting polymers is 5-8 ten thousand, the ingrain fireproofing fabric in the molecular weight ranges
Good bonding strength of the product to core.
Preferably, the temperature of amidatioon and esterification modification reaction is 120-180 DEG C in step (2), preferably 140-150
DEG C, the time is more than 1h, preferably 2-4h.
Preferably, the core is mainly by brominated epoxy resin, thermoplastic phenolic resin, wood powder, lubricant, hydroxide
Aluminium, compatilizer composition, the raw material of the core forms as follows as mass fraction：
For problems of the prior art, this programme on the basis of the thermoplastic acrylic resin of weather resistance,
It is copolymerized using the alkenyl monomer with anti-flammability, obtains the thermoplastic acrylic copolymer resins of ingrain fireproofing, then pairing
Into copolymer resins carry out it is flame-retardant modified, obtain the ingrain fireproofing fabric of excellent flame retardancy.And core is to use self flame retardance
Property resin for example thermoplasticity brominated epoxy resin, thermoplastic phenolic resin collocation flame-retardant inorganic filler aluminium hydroxide be made, then
Obtained ingrain fireproofing fabric will be synthesized and inflaming retarding core material carries out co-extrusion and obtains fire-retardant co-extruded plastic-wood composite.
The ingrain fireproofing fabric of the present invention itself does not burn, and oxygen index (OI) reaches more than 65%.And it is to adopt that core, which moulds wooden particle,
Traditional PE, PP etc. are replaced as plastic fraction, collocation resistance by the use of the brominated epoxy resin and thermoplastic phenolic resin of self flame retardance
Combustion filler aluminium hydroxide and other auxiliary agents obtain, and excellent flame retardancy, oxygen index (OI) reaches more than 45%, is nonflammable material.This hair
The bright Wood plastic composite finally given has superpower fire-retardant, Fire resistances, and is ingrain fireproofing, and long-term use out of doors will not
As rainwater etc. is lost in, greatly extend the service life of Wood plastic composite out of doors.
Preferably, the brominated epoxy resin is plastics level brominated epoxy resin, preferably thermoplasticity brominated oxygen tree
The EP-15K and/or EP-20K of fat, for example, Jiangsu prosperity Chemical Co., Ltd. production.
Preferably, the thermoplastic phenolic resin is 2123 phenolic resin and/or 2402 phenolic resin.
Preferably, lubricant is Tissuemat E and/or stearic acid.
Preferably, the compatilizer is polypropylene compatilizer, for example, poly- the third of Mount Huang Bei Nuo Science and Technology Ltd.s production
Alkene compatilizer SZ23 and/or SZ27.
The core of the present invention can be prepared by method in the prior art, can be also prepared via a method which：By raw material
It is sufficiently mixed uniformly, and is discharged into cold mix at 130-150 DEG C, cooling discharge produces.50-90 DEG C can be cooled to, is preferably
70℃。
An object of the present invention, which also resides in, provides a kind of preparation method of flame-resistant plastic-wood composite materials of the present invention, bag
Include following steps：
A, obtained ingrain fireproofing fabric and core are distinguished into extruding pelletization, respectively obtains inflaming retarding fabric particle and core
Grain；
B, the core cavity of co-extruding mould will be entered after core material particles melting made from step A；Inflaming retarding fabric particle is melted
Enter the inflaming retarding fabric cavity of co-extruding mould after melting, through sizing, cooling and shaping obtain the flame-resistant plastic-wood composite materials.After shaping
Can fixed length cutting finished product.
Carried out preferably, being granulated in step A in parallel double-screw extruder.
Preferably, barrel zone temperature is 150-190 DEG C during granulation, screw speed 200-300rpm.
Preferably, the melting process in step B is carried out by extruder.
Sizing can be carried out by shaper.
For the present invention using the ingrain fireproofing fabric of special synthesis, its structure is the polymeric material of ingrain fireproofing, is exposed to
Open air, flame-retardant composition will not be lost in, and have lasting anti-flammability.Meanwhile the fire-retardant of core is not only by additional fire retardant
Mode carry out, but use self flame retardance resin for example thermoplasticity brominated epoxy resin, thermoplastic phenolic resin collocation resistance
Combustion inorganic filler aluminium hydroxide is realized fire-retardant.The present invention inherently changes the additional fire retardant of current flame-resistant plastic-wood composite materials
Fire-retardant mode, truly realize ingrain fireproofing and persistently it is fire-retardant.
Embodiment
For ease of understanding the present invention, it is as follows that the present invention enumerates embodiment.Those skilled in the art are it will be clearly understood that the implementation
Example is used only for help and understands the present invention, is not construed as the concrete restriction to the present invention.
Embodiment 1
A kind of ingrain fireproofing Wood plastic composite, raw material composition is ingrain fireproofing fabric as mass fraction：
Vinyl phosphoric acid 8%；
Cis- 3- bromoacrylic acids ethyl ester 30%；
Hexacholorocyclopentadiene 10%；
Acrylic acid 14.49%；
Melamine 15%；
Pentabromophenol 17%；
Dimethylbenzene 5%；
Initiator 0.01%；
Catalyst 0.5%.
Raw material composition is as follows as mass fraction for core：
Preparation method comprises the following steps：
A, inflaming retarding core material material feedstock is sufficiently mixed uniformly according to formula at 130-150 DEG C, and discharged into cold mix, drop
Premix compound special is made to 70 DEG C of dischargings in temperature；
B, core premix compound special and ingrain fireproofing coverstock material are added in parallel double-screw extruder respectively and divided
Other extruding pelletization, respectively obtains core material particles and fabric particle；Its process conditions is：Barrel zone temperature is 150-190 DEG C, and screw rod turns
Speed is 200-300rpm；
C, the core cavity of co-extruding mould is entered after core pellet made from step B is melted by extruder；Will be fire-retardant
Fabric particle enters the inflaming retarding fabric cavity of co-extruding mould after being melted by extruder, shaped through shaper, is cooled and shaped, fixed
Long cutting finished product, you can obtain the co-extrusion flame-resistant plastic-wood composite materials.
Embodiment 2
A kind of ingrain fireproofing Wood plastic composite, raw material composition is ingrain fireproofing fabric as mass fraction：
Vinyl phosphoric acid 20%；
Cis- 3- bromoacrylic acids ethyl ester 10%；
Hexacholorocyclopentadiene 29.85%；
Acrylic acid 12%；
Melamine 5%；
Pentabromophenol 8%；
Dimethylbenzene 15%；
Initiator 0.1%；
Catalyst 0.05%.
Raw material composition is as follows as mass fraction for core：
Preparation method is the same as embodiment 1.
Embodiment 3
A kind of ingrain fireproofing Wood plastic composite, raw material composition is ingrain fireproofing fabric as mass fraction：
Vinyl phosphoric acid 20%；
Cis- 3- bromoacrylic acids ethyl ester 15%；
Hexacholorocyclopentadiene 17%；
Acrylic acid 11%；
Melamine 11%；
Pentabromophenol 15.7%；
Dimethylbenzene 10%；
Initiator 0.05%；
Catalyst 0.25%.
Raw material composition is as follows as mass fraction for core：
Preparation method is the same as embodiment 1.
Embodiment 4
A kind of ingrain fireproofing Wood plastic composite, raw material composition is ingrain fireproofing fabric as mass fraction：
Vinyl phosphoric acid 15%；
Cis- 3- bromoacrylic acids ethyl ester 20%；
Hexacholorocyclopentadiene 21.57%；
Acrylic acid 10%；
Melamine 10%；
Pentabromophenol 15%；
Dimethylbenzene 8%；
Initiator 0.03%；
Catalyst 0.4%.
Raw material composition is as follows as mass fraction for core：
Preparation method is the same as embodiment 1.
Comparative example 1
A kind of ingrain fireproofing Wood plastic composite, raw material composition is ingrain fireproofing fabric as mass fraction：
Cis- 3- bromoacrylic acids ethyl ester 38%；
Hexacholorocyclopentadiene 22%；
Acrylic acid 10%；
Melamine 10%；
Pentabromophenol 14.49%；
Dimethylbenzene 5%；
Initiator 0.01%；
Catalyst 0.5%.
Without vinyl phosphoric acid, other conditions are the same as embodiment 1.
Comparative example 2
A kind of ingrain fireproofing Wood plastic composite, raw material composition is ingrain fireproofing fabric as mass fraction：
Vinyl phosphoric acid 38%；
Hexacholorocyclopentadiene 22%；
Acrylic acid 10%；
Melamine 10%；
Pentabromophenol 14.49%；
Dimethylbenzene 5%；
Initiator 0.01%；
Catalyst 0.5%.
Without cis- 3- bromoacrylic acids ethyl ester, other conditions are the same as embodiment 1.
Comparative example 3
A kind of ingrain fireproofing Wood plastic composite, raw material composition is ingrain fireproofing fabric as mass fraction：
Vinyl phosphoric acid 15%；
Cis- 3- bromoacrylic acids ethyl ester 35%；
Acrylic acid 20%；
Melamine 10%；
Pentabromophenol 14.49%；
Dimethylbenzene 5%；
Initiator 0.01%；
Catalyst 0.5%.
Without hexacholorocyclopentadiene, other conditions are the same as embodiment 1.
Comparative example 4
A kind of ingrain fireproofing Wood plastic composite, raw material composition is ingrain fireproofing fabric as mass fraction：
Vinyl phosphoric acid 20%；
Cis- 3- bromoacrylic acids ethyl ester 35%；
Hexacholorocyclopentadiene 10%；
Acrylic acid 15%；
Pentabromophenol 14.49%；
Dimethylbenzene 5%；
Initiator 0.01%；
Catalyst 0.5%.
Without melamine, other conditions are the same as embodiment 1.
Comparative example 5
A kind of ingrain fireproofing Wood plastic composite, inflaming retarding fabric is made using the method for additional fire retardant, by mass fraction
Meter raw material, which forms, is：
Polyethylene 30%；
APP 28%；
HBCD 12%；
Melamine 15%；
Pentabromophenol 15%；
Other conditions are the same as embodiment 1.
Comparative example 6
A kind of ingrain fireproofing Wood plastic composite, inflaming retarding fabric is made using the method for additional fire retardant, by mass fraction
Meter raw material, which forms, is：
Polypropylene 30%；
APP 18%；
HBCD 22%；
Melamine 10%；
Pentabromophenol 20%；
Other conditions are the same as embodiment 1.
Comparative example 7
A kind of ingrain fireproofing Wood plastic composite, raw material composition is as follows as mass fraction for core：
Without brominated epoxy resin, other conditions are the same as embodiment 1.
Comparative example 8
A kind of ingrain fireproofing Wood plastic composite, raw material composition is as follows as mass fraction for core：
Without thermoplastic phenolic resin, other conditions are the same as embodiment 1.
Comparative example 9
A kind of ingrain fireproofing Wood plastic composite, core do not use the thermoplastic resin of ingrain fireproofing, such as thermoplastic phenolic
Resin, brominated epoxy resin, but carried out by the way of the additional fire retardant of polyethylene it is fire-retardant, as mass fraction raw material form
It is as follows：
Other conditions are the same as embodiment 1.
Comparative example 10
A kind of flame-resistant plastic-wood composite materials, core do not use the thermoplastic resin of ingrain fireproofing, as thermoplastic phenolic resin,
Brominated epoxy resin, but carried out by the way of the additional fire retardant of polypropylene it is fire-retardant, as mass fraction raw material composition it is as follows：
Other conditions are the same as embodiment 1.
Performance test
Composite made from above-described embodiment and comparative example is subjected to 24h water suctions according to GB17657-2013 standard
Rate, boiling water resistance, Checking of static bending intensity.
The test of oxygen index (OI) is detected according to GBT 2406.2-2009 plastics with oxygen index method measure burning behavior.Survey
Test result see the table below shown in 1.
Table 1
Table 1 is continuous
As can be seen from the table, flame-resistant plastic-wood composite materials of the present invention pass through specific components in ingrain fireproofing fabric and core
Coordinated, achieve extraordinary lasting flame retardant effect, while there is excellent mechanical performance.
Obviously, above-described embodiment is only intended to clearly illustrate example, and is not the restriction to embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or
Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or
Among changing still in the protection domain of the invention.
Claims (9)
1. a kind of ingrain fireproofing Wood plastic composite, including ingrain fireproofing fabric and core, the ingrain fireproofing fabric mainly by
Vinyl phosphonate, cis- 3- bromoacrylic acids ethyl ester, hexacholorocyclopentadiene, acrylic acid, melamine, pentabromophenol are raw material system
Into, the ingrain fireproofing fabric raw material form as mass fraction it is as follows：
2. ingrain fireproofing Wood plastic composite according to claim 1, it is characterised in that the initiator is that azo two is different
Butyronitrile and/or dibenzoyl peroxide；
Preferably, catalyst is tetra-tert titanate esters and/or tributyltin chloride.
3. ingrain fireproofing Wood plastic composite according to claim 1 or 2, it is characterised in that the ingrain fireproofing fabric
Preparation process is as follows：
(1) by vinyl phosphoric acid, cis- 3- bromoacrylic acids ethyl ester, hexacholorocyclopentadiene, acrylic acid in xylene solvent,
It is copolymerized under initiator effect；
(2) melamine and pentabromophenol are added into step (1) reaction system with the carboxyl in copolymer in catalyst action
Lower progress amidatioon and esterification modification reaction；
(3) step (2) reaction removes dimethylbenzene after terminating, and the ingrain fireproofing fabric is obtained after drying.
4. ingrain fireproofing Wood plastic composite according to claim 3, it is characterised in that copolyreaction in step (1)
Temperature is more than 90 DEG C, and preferably 110-130 DEG C, the time is more than 0.5h, preferably 1-3h；
Preferably, the molecular weight of step (1) resulting polymers is 5-8 ten thousand.
5. the ingrain fireproofing Wood plastic composite according to claim 3 or 4, it is characterised in that in step (2) amidatioon and
The temperature of esterification modification reaction is 120-180 DEG C, and preferably 140-150 DEG C, the time is more than 1h, preferably 2-4h.
6. according to the ingrain fireproofing Wood plastic composite described in claim any one of 1-5, it is characterised in that the ingrain fireproofing
Core is mainly made up of brominated epoxy resin, thermoplastic phenolic resin, wood powder, lubricant, aluminium hydroxide, compatilizer, the core
The raw material of material forms as follows as mass fraction：
7. ingrain fireproofing Wood plastic composite according to claim 6, it is characterised in that the brominated epoxy resin is modeling
Expect level brominated epoxy resin, preferably thermoplasticity brominated epoxy resin；
Preferably, the thermoplastic phenolic resin is 2123 phenolic resin and/or 2402 phenolic resin；
Preferably, lubricant is Tissuemat E and/or stearic acid；
Preferably, the compatilizer is polypropylene compatilizer；
Preferably, the core is prepared via a method which：Raw material is mixed at 130-150 DEG C, and discharged into cold mix, drop
Temperature, which discharges, to be produced.
8. a kind of preparation method of any one of claim 1-7 ingrain fireproofing Wood plastic composites, comprises the following steps：
A, obtained ingrain fireproofing fabric and core are distinguished into extruding pelletization, respectively obtains inflaming retarding fabric particle and core material particles；
B, the core cavity of co-extruding mould will be entered after inflaming retarding core material particle fusion made from step A；Inflaming retarding fabric particle is melted
Enter the inflaming retarding fabric cavity of co-extruding mould after melting, through sizing, cooling and shaping obtain the flame-resistant plastic-wood composite materials.
9. preparation method according to claim 8, it is characterised in that be granulated in step A in parallel double-screw extruder
Carry out；
Preferably, barrel zone temperature is 150-190 DEG C during granulation, screw speed 200-300rpm；
Preferably, the melting process in step B is carried out by extruder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711333583.XA CN107868169B (en) | 2017-12-14 | 2017-12-14 | Body flame-retardant plastic-wood composite material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711333583.XA CN107868169B (en) | 2017-12-14 | 2017-12-14 | Body flame-retardant plastic-wood composite material and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107868169A true CN107868169A (en) | 2018-04-03 |
| CN107868169B CN107868169B (en) | 2020-08-11 |
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| CN201711333583.XA Active CN107868169B (en) | 2017-12-14 | 2017-12-14 | Body flame-retardant plastic-wood composite material and preparation method thereof |
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