CN108084588A - A kind of body flame polystyrene type foaming imitated wood material and preparation method thereof - Google Patents
A kind of body flame polystyrene type foaming imitated wood material and preparation method thereof Download PDFInfo
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- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
- C08J9/104—Hydrazines; Hydrazides; Semicarbazides; Semicarbazones; Hydrazones; Derivatives thereof
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- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
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- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
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- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/04—N2 releasing, ex azodicarbonamide or nitroso compound
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- C08J2325/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Derivatives of such polymers
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- C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/12—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
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- C08J2425/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Derivatives of such polymers
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- C08J2427/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2427/12—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
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Abstract
A kind of body flame polystyrene type foaming imitated wood material and preparation method thereof, the material is made by mass percentage by including following raw material：Fire-resistant copolyesters type polystyrene 30 50%, the polytetrafluoroethylene (PTFE) 20 45% of small-molecular-weight, inorganic fire-retarded filler 10 25%, foaming agent 1 3%；Wherein, fire-resistant copolyesters type polystyrene is to be made by vinyl phosphoric acid diethylester, 4 bromine β, β difluoro styrene, tribromo-ethylene, 3 bromstyrols, triphenyl vinyl silane for starting monomer copolymerization.Polystyrene type expanded material provided by the invention has good mechanical performance and lasting flame retardant property.
Description
Technical field
The invention belongs to imitated wood material technical fields, and in particular to a kind of body flame polystyrene type foaming imitation wood material
Material and preparation method thereof.
Background technology
Imitation wood is a kind of technology, and various productions of the appearance like solid wood can be manufactured out with this technology
Product can also carry out site operation as arrangement and method for construction, for example external wall of house wants imitation wood decoration that must carry out site operation.Imitation wood
Material is intended to replace truewood, saves the forest reserves.The product that imitation wood technique is made is from the appearance point of view, imitation wood and real wood
The visual effect of product is equally matched, can mix the spurious with the genuine or even be difficult to differentiate between, but says that imitation wood will be far superior to from service life
Truewood fades by last a very long time exposing to the weather to corrode, more will not be infested, i.e. environmental protection solves in short supply embarrassed of timber again
Condition.
Imitated wood material can be divided into traditional imitated wood material and advanced imitated wood material.Traditional imitated wood material is mostly used cement making,
Modification is closed or carved on surface, can only be imitated external；And advanced imitation wood can both be imitated using modern plastics processing technology
Truewood is external, and can simulate its performance, texture even smell, may be defined as wood moulding and overall plastic two kinds at present.Traditional wood moulding
The ratio of material admixture wood powder is higher, thus with certain water imbibition, easily leads to mouldy, dilatancy, fade.It is in addition, wooden
The wood grain of moulding material is surface printing or Carving Machining, has not existed after abrasion, has appeared internal material, influences appearance, mixing and
Into material recovery when necessarily cause timber or the more loss of a certain component of plastics, actual utilization ratio is not high, and designs resistance
Fire function when need coordinate wood substance component it is fire-retardant fire-retardant with plastic components, mechanism is more complicated.
Since Wood-plastic material is there are above-mentioned obvious shortcoming, ail-plastic materials come into being, and become the hot spot of research.Ail-plastic materials
It is a kind of imitated wood material prepared completely by plastics, without using any wood substance component, using flame-retarded technology, passes through fretting map, note
It penetrates or extrusion molding processing technology is prepared that appearance is similar with timber, density is suitable with timber, satisfactory mechanical property, anti-flammability
The excellent wood-imitated products of energy, wherein polystyrene type imitated wood material are one of more directions of research.Such as CN
102241861A discloses a kind of flame retardant polystyrene foamed hard wood-imitating material and preparation method thereof, the hard imitated wood material
Include the component of following parts by weight：Recycle 50~70 parts of polystyrene, 55~75 parts of high impact polystyrene, the fire-retardant mother of sandwich layer
35~45 parts of grain, 30~40 parts of surface layer special-purpose flame-proof mother granule, 0.5~0.9 part of foaming agent, 1~4 part of toughener, plasticizer 0.1~
0.5 part, 0.5~0.9 part of colorant.CN 102408642A disclose a kind of flame retardant micro-foamed all plastic imitated wood material and its system
Preparation Method, the composition and ratio of overall plastic imitated wood material are polystyrene 100, high impact polystyrene 20~40, resin 10~15,
Inorganic filling material 2~5, fire retardant 15~25, smoke suppressant 5~15, foaming agent 0.5~1.5, cell modifiers 0.5~2
Toner 0.5~2, auxiliary agent 1.5~3.
At present, common fire-retardant overall plastic polystyrene imitated wood material is by the way of additional fire retardant, and use is additional
Fire retardant such as ammonium polyphosphate, hexabromocyclododecane, tetrabromobisphenol A, deca-BDE etc. promote the anti-flammability of imitated wood material
Energy.But since polystyrene imitated wood material is chronically exposed to open air, the different extraneous item such as expose to the weather, drench with rain undergo
Part, additional fire retardant can decompose and with rain water runoff, cause polystyrene imitated wood material surface irregularity and flame retardant property
Drastically decline.
The content of the invention
For this purpose, one of the objects of the present invention is to provide a kind of body flame foamed polystyrene imitated wood material, the materials
Material has lasting flame retardant effect.
In order to achieve the above object, the present invention adopts the following technical scheme that：
A kind of body flame foamed polystyrene imitated wood material, the material are following by including by mass percentage
Raw material is made：
Wherein, fire-resistant copolyesters type polystyrene is by including vinyl phosphoric acid diethylester, 4- bromo- β, β-difluoro styrene, three
Vinyl bromide, 3- bromstyrols, the material copolymerization of triphenyl vinyl silane are made.
Fire-resistant copolyesters type polystyrene is, for example, 33%, 38%, 42%, 46%, 49% etc..
The polytetrafluoroethylene (PTFE) of small-molecular-weight is, for example, 23%, 28%, 32%, 36%, 39%, 41%, 44% etc..
Inorganic fire-retarded filler is, for example, 13%, 18%, 22%, 24% etc..
Foaming agent is, for example, 1.5%, 2%, 2.4%, 2.8% etc..
The present invention uses the alkenyl monomer such as bromo- β of vinyl phosphoric acid diethylester, 4- of anti-flammability, β-difluoro styrene, tribromo
Ethylene, 3- bromstyrols, triphenyl vinyl silane are copolymerized, and obtain the modified polystyrene copolymer resins of ingrain fireproofing,
Using this modified resin as basic resin, the polyflon for small-molecular-weight of arranging in pairs or groups is granulated with blendings such as auxiliary agent, fillers, squeezes
Going out to obtain the polystyrene imitated wood material of body flame has superpower fire-retardant, Fire resistances, and is ingrain fireproofing.
Preferably, the raw material further includes by mass percentage：UV absorbent 0.5-2%, for example, 0.8%,
1.2%th, 1.4%, 1.8% etc., lubricant 0.5-2% are, for example, 0.8%, 1.2%, 1.4%, 1.8% etc., compatilizer 2-
5%, it is, for example, one kind or two or more combination in 2.5%, 3%, 3.5%, 4%, 4.5% etc..
Preferably, the fire-resistant copolyesters type polystyrene is prepared via a method which：By feed ethylene base p diethylaminobenzoic acid
Ester, 4- bromo- β, β-difluoro styrene, tribromo-ethylene, 3- bromstyrols, triphenyl vinyl silane are having under initiator effect
Polymerisation is carried out in solvent, the fire-resistant copolyesters type polystyrene is made.
Preferably, vinyl phosphoric acid diethylester is 5-15%, 4- bromo- β, β-difluorobenzene second by mass percentage in raw material
Alkene is 40-60%, tribromo-ethylene 3-10%, 3- bromstyrol is 10-25%, triphenyl vinyl silane 4-12%.
Preferably, initiator is azodiisobutyronitrile (AIBN).
Preferably, initiator quality for comonomer (including vinyl phosphoric acid diethylester, 4- bromo- β, β-difluoro styrene,
Tribromo-ethylene is, 3- bromstyrols and triphenyl vinyl silane) 0.5-1% of gross mass.
Preferably, organic solvent is dimethylbenzene and/or n,N dimethylformamide, is preferably dimethylbenzene.
Preferably, the temperature of polymerisation is 130-140 DEG C, is preferably 135 DEG C, time 2-6h.
Preferably, drying obtains fire-resistant copolyesters type polystyrene after solvent is removed after polymerisation.Removing solvent can
It carries out under vacuo, preferably in 150 DEG C or so vacuum removals.
Preferably, the molecular weight of fire-resistant copolyesters type polystyrene is 20-25 ten thousand.
The fire-resistant copolyesters type polystyrene of the present invention is by vinyl phosphoric acid diethylester, 4- bromo- β, β-difluoro styrene, tribromo
Ethylene, 3- bromstyrols, triphenyl vinyl silane according to different ratios in xylene solvent, in the effect of initiator
Under, fire-resistant copolyesters type polystyrene is obtained after solvent, drying are removed after being copolymerized, the copolymer flame retardant property is excellent
Good, the oxygen index (OI) of itself reaches more than 60%.
In one embodiment, fire-resistant copolyesters type polystyrene is prepared via a method which：Vinyl as mass fraction
Diethyl phosphate 5-15%, 4- bromo- β, β-difluoro styrene 40-60%, tribromo-ethylene 3-10%, 3- bromstyrol 10-25%,
Triphenyl vinyl silane 4-12%, initiator are azodiisobutyronitrile, and quality is comonomer (including vinyl phosphoric acid diethyl
Ester, 4- bromo- β, β-difluoro styrene, tribromo-ethylene are, 3- bromstyrols and triphenyl vinyl silane) 0.5- of gross mass
1%, for dimethylbenzene as solvent, polymeric reaction temperature is 135 DEG C, reaction time 2-6h, and 150 DEG C are warming up to after polymerisation
Fire-resistant copolyesters type polystyrene is obtained after vacuum removal xylene solvent, drying, molecular weight is between 25-30 ten thousand.
Preferably, the molecular weight of the small-molecular-weight polytetrafluoroethylene (PTFE) is 26-30 ten thousand, poly- the four of this molecular weight ranges
Vinyl fluoride has good processability, less than this molecular weight ranges, the toughness of final material in double screw extruder
Difference, higher than this molecular weight, compatibility is poor in double screw extruder, influences the intensity of final material.
Preferably, the inorganic fire-retarded filler is magnesium hydroxide and/or aluminium hydroxide.
Preferably, the foaming agent is unifor and/or Mesityl oxide sulfohydrazide.
Preferably, the compatilizer is three monooctyl ester of dioctyl phthalate and/or trimellitic anhydride.
Preferably, the UV absorbents are phenyl salicylate and/or 2,2'- di-2-ethylhexylphosphine oxide (4- t-octyl -6- benzos three
Azoles phenol).
Preferably, the lubricant is mineral oil and/or trimethylolpropane tri-heptanoate.
Preferably, material of the present invention is made by mass percentage by including following raw material：
It is preferred that it is made of above-mentioned raw materials.
An object of the present invention, which also resides in, provides a kind of body flame foamed polystyrene imitation wood material of the present invention
The preparation method of material, granulation, extrusion molding, cooling and shaping obtain the body flame foamed polystyrene after raw material is mixed
Imitated wood material.Fixed length cutting can be carried out after cooling and shaping.
Preferably, the condition of the granulation is：Barrel zone temperature is 140-180 DEG C, screw speed 100-300rpm.It makes
Grain can carry out in double screw extruder.
Preferably, the condition of the extrusion molding is：Barrel zone temperature is 160-200 DEG C, screw speed 10-30rpm.
Extrusion molding can carry out in conical double-screw Wood-plastic profiles extruder.
In one embodiment, the preparation method includes the following steps：
A, resin, inorganic filling material and various auxiliary agents are mixed by component proportion, obtains special mixture；
B, above-mentioned special mixture adds in extruding pelletization in double screw extruder；Its process conditions is：Barrel zone temperature is
140-180 DEG C, screw speed 100-300rpm；
C, pellet made from step (B) is put into conical double-screw Wood-plastic profiles extruder, process conditions are：Barrel zone temperature
For 160-200 DEG C, screw speed 10-30rpm；
D, the section bar of extrusion molding is through cooling and shaping, fixed length cutting finished product, you can obtains the body flame and gathers
Styrene foaming imitated wood material.
The composition of foamed polystyrene imitated wood material of the present invention be fire-resistant copolyesters type polystyrene, small-molecular-weight polytetrafluoroethyl-ne
Alkene, inorganic fire-retarded filler, UV absorbents, foaming agent, white oil etc. using the polymer material of body self flame retardance, therefore expose
Outdoors, flame-retardant composition will not be lost in, and have lasting anti-flammability.The imitated wood material of the present invention uses fire-resistant copolyesters type polyphenyl second
For alkene as primary raw material, arrange in pairs or groups itself incombustible polytetrafluoroethylene (PTFE) and flame retardant type inorganic filler ensure that is finally prepared
The excellent flame retardant property of foamed polystyrene imitated wood material.The imitated wood material that the present invention obtains has superpower fire-retardant, Fire resistances,
And for ingrain fireproofing, long-time service outdoors will not greatly extend the imitated wood material making outdoors with losses such as rainwater
Use the service life.
Specific embodiment
Of the invention for ease of understanding, 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 helping to understand the present invention, is not construed as the concrete restriction to the present invention.
Fire-resistant copolyesters type polystyrene used is prepared by the following procedure in example below：Vinyl phosphoric acid diethylester 10%,
4- bromo- β, β-difluoro styrene 50%, tribromo-ethylene 10%, 3- bromstyrols 20%, triphenyl vinyl silane 10% trigger
Agent is azodiisobutyronitrile (AIBN), and quality is the 0.7% of monomer gross mass, and dimethylbenzene is as solvent, polymeric reaction temperature
135 DEG C, reaction time 5h, be warming up to after polymerisation after 150 DEG C of vacuum removal xylene solvents, drying obtain it is fire-retardant common
Poly- type polystyrene, molecular weight are generally 230,000.
Embodiment 1
A kind of body flame foamed polystyrene imitated wood material, material quality percentage composition are：
Wherein, the molecular weight of small-molecular-weight polytetrafluoroethylene (PTFE) is 300,000；
Inorganic fire-retarded filler is aluminium hydroxide；
Foaming agent is unifor.
UV absorbents are phenyl salicylate；
Lubricant is trimethylolpropane tri-heptanoate；
Compatilizer is three monooctyl ester of trimellitic anhydride.
Specific prepare follows these steps to carry out：
A, resin, inorganic filling material and various auxiliary agents are mixed by component proportion, obtains special mixture；
B, above-mentioned special mixture adds in extruding pelletization in double screw extruder；Its process conditions is：Barrel zone temperature is 160
DEG C, screw speed 200rpm；
C, pellet made from step (B) is put into conical double-screw Wood-plastic profiles extruder, process conditions are：Barrel zone temperature
For 180 DEG C, screw speed 20rpm；
D, the section bar of extrusion molding is through cooling and shaping, fixed length cutting finished product, you can obtains the body flame and gathers
Styrene foaming imitated wood material.
Embodiment 2
A kind of body flame foamed polystyrene imitated wood material, material quality percentage composition are：
Wherein, the molecular weight of small-molecular-weight polytetrafluoroethylene (PTFE) is 280,000；
Inorganic fire-retarded filler is magnesium hydroxide；
Foaming agent is to Mesityl oxide sulfohydrazide.
UV absorbents are 2,2' methylene bis (4- t-octyl -6- benzotriazole phenol)；
Lubricant is mineral oil；
Compatilizer is dioctyl phthalate.
Preparation method is the same as embodiment 1.
Embodiment 3
A kind of body flame foamed polystyrene imitated wood material, material quality percentage composition are：
Wherein, the molecular weight of small-molecular-weight polytetrafluoroethylene (PTFE) is 260,000；
Inorganic fire-retarded filler is aluminium hydroxide；
Foaming agent is Mesityl oxide sulfohydrazide.
UV absorbents are 2,2' methylene bis (4- t-octyl -6- benzotriazole phenol)；
Lubricant is mineral oil；
Compatilizer is three monooctyl ester of trimellitic anhydride.
Preparation method is the same as embodiment 1.
Embodiment 4
A kind of body flame foamed polystyrene imitated wood material, material quality percentage composition are：
Wherein, the molecular weight of small-molecular-weight polytetrafluoroethylene (PTFE) is 290,000；
Inorganic fire-retarded filler is aluminium hydroxide；
Foaming agent is Mesityl oxide sulfohydrazide.
UV absorbents are 2,2' methylene bis (4- t-octyl -6- benzotriazole phenol)；
Lubricant is mineral oil；
Compatilizer is three monooctyl ester of trimellitic anhydride.
Preparation method is the same as embodiment 1.
Comparative example 1
It is same as Example 4, except the molecular weight of polytetrafluoroethylene (PTFE) is 200,000.
Comparative example 2
It is same as Example 4, except the molecular weight of polytetrafluoroethylene (PTFE) is 400,000.
Comparative example 3
A kind of body flame foamed polystyrene imitated wood material, material quality percentage composition are：
Raw material is free of the polytetrafluoroethylene (PTFE) of small-molecular-weight, and other conditions are the same as embodiment 4.
Comparative example 4
It is same as Example 4, it is used when being prepared except fire-resistant copolyesters type polystyrene：Vinyl phosphoric acid diethylester 10%,
4- bromo- β, β-difluoro styrene 50%, 3- bromstyrols 30%, triphenyl vinyl silane 10%.Do not add in tribromo-ethylene.
Comparative example 5
It is same as Example 4, it is used when being prepared except fire-resistant copolyesters type polystyrene：Vinyl phosphoric acid diethylester 10%,
4- bromo- β, β-difluoro styrene 50%, tribromo-ethylene 10%, 3- bromstyrols 30%.Do not add in triphenyl vinyl silane.
Comparative example 6
It is same as Example 4, it is used when being prepared except fire-resistant copolyesters type polystyrene：4- bromo- β, β-difluoro styrene
50%th, tribromo-ethylene 10%, 3- bromstyrols 20%, triphenyl vinyl silane 20%.Vinyl phosphoric acid diethyl is not added in
Ester.
Comparative example 7
It is same as Example 4, it is used when being prepared except fire-resistant copolyesters type polystyrene：Vinyl phosphoric acid diethylester 10%,
4- bromo- β, β-difluoro styrene 50%, tribromo-ethylene 30%, triphenyl vinyl silane 10%.3- bromstyrols are not added in.
Comparative example 8
It is same as Example 4, it is used when being prepared except fire-resistant copolyesters type polystyrene：Vinyl phosphoric acid diethylester 30%,
Tribromo-ethylene 30%, 3- bromstyrols 30%, triphenyl vinyl silane 10%.The bromo- β of 4-, β-difluoro styrene are not added in.
Comparative example 9
A kind of body flame foamed polystyrene imitated wood material, material quality percentage composition are：
Raw material is free of fire-resistant copolyesters type polystyrene, and other conditions are the same as embodiment 4.
Comparative example 10
It is same as Example 4, except the molecular weight of fire-resistant copolyesters type polystyrene is 350,000.
Comparative example 11
It is same as Example 4, except the molecular weight of fire-resistant copolyesters type polystyrene is 150,000.
Comparative example 12
It is same as Example 4, except General Purpose Polystyrenre (GPPS, being commonly called as benzene) is used to replace fire-resistant copolyesters type polyphenyl
Ethylene.
Comparative example 13
It is same as Example 4, except shock resistance polystyrene (HIPS, being commonly called as changing benzene) is used to gather instead of fire-resistant copolyesters type
Styrene.
Comparative example 14
Use General Purpose Polystyrenre (GPPS, being commonly called as benzene) and shock resistance polystyrene (HIPS, being commonly called as changing benzene) point
Not instead of fire-resistant copolyesters type polystyrene and the polytetrafluoroethylene (PTFE) of small-molecular-weight, then using the side of additional ammonium polyphosphate flame retardant
Formula progress is fire-retardant, and material quality percentage composition is：
Other conditions are the same as embodiment 4.
Performance test
Composite material made from above-described embodiment and comparative example is absorbed water for 24 hours according to the standard of GB17657-2013
Rate, boiling water resistance, Checking of static bending intensity.
The test of oxygen index (OI) measures burning behavior with oxygen index method according to GBT 2406.2-2009 plastics and is detected.It surveys
Test result is see the table below respectively shown in 1 and 2.
Table 1
Material made from the specific formula of the present invention is can be seen that with excellent and lasting from the results contrast of table 1
Flame retardant property and mechanical performance.Comparative example 1-11 shows the mutual synergistic action effect of present invention, 12 He of comparative example
13 show the present invention prepare and using fire-resistant copolyesters type polystyrene material mechanical performance and it is fire-retardant for the use of advantage, it is right
It is apparent that ratio 14 shows that additional fire retardant flame retardant property after boiling water boiling declines, and is unable to reach lasting flame retardant effect.
Obviously, the above embodiments are merely examples for clarifying the description, and is not intended to limit the embodiments.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 variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And the obvious variation thus extended out or
Among changing still in the protection domain of the invention.
Claims (10)
- The imitated wood material 1. a kind of body flame polystyrene type foams, which is characterized in that the material is by mass percentage It is made of the raw material for including following：Wherein, fire-resistant copolyesters type polystyrene is by including vinyl phosphoric acid diethylester, 4- bromo- β, β-difluoro styrene, tribromo second Alkene, 3- bromstyrols, the material copolymerization of triphenyl vinyl silane are made.
- 2. material according to claim 1, which is characterized in that the raw material further includes：UV absorbent 0.5-2%, lubrication Agent 0.5-2%, compatilizer 2-5%.
- 3. material according to claim 1 or 2, which is characterized in that the fire-resistant copolyesters type polystyrene passes through such as lower section It is prepared by method：By feed ethylene base diethyl phosphate, 4- bromo- β, β-difluoro styrene, tribromo-ethylene, 3- bromstyrols, triphenyl Vinyl silanes carry out polymerisation under initiator effect and the fire-resistant copolyesters type polystyrene are made in organic solvent.
- 4. material according to claim 3, which is characterized in that vinyl phosphoric acid diethylester by mass percentage in raw material For the bromo- β of 5-15%, 4-, β-difluoro styrene is 40-60%, tribromo-ethylene 3-10%, 3- bromstyrol is 10-25%, three Phenylethylene base silane is 4-12%.
- 5. the material according to claim 3 or 4, which is characterized in that initiator is azodiisobutyronitrile；Preferably, initiator quality is the 0.5-1% of comonomer gross mass；Preferably, organic solvent is dimethylbenzene and/or n,N dimethylformamide, is preferably dimethylbenzene.
- 6. according to claim 3-5 any one of them materials, which is characterized in that the temperature of polymerisation is 130-140 DEG C, excellent Elect 135 DEG C as, time 2-6h；Preferably, drying obtains fire-resistant copolyesters type polystyrene after solvent is removed after polymerisation；Preferably, the molecular weight of fire-resistant copolyesters type polystyrene is 20-25 ten thousand.
- 7. according to claim 1-6 any one of them materials, which is characterized in that the molecule of the small-molecular-weight polytetrafluoroethylene (PTFE) It measures as 26-30 ten thousand；Preferably, the inorganic fire-retarded filler is magnesium hydroxide and/or aluminium hydroxide；Preferably, the foaming agent is unifor and/or Mesityl oxide sulfohydrazide.
- 8. according to claim 2-7 any one of them materials, which is characterized in that the UV absorbents for phenyl salicylate and/ Or 2,2' methylene bis (4- t-octyl -6- benzotriazole phenol)；Preferably, the lubricant is mineral oil and/or trimethylolpropane tri-heptanoate；Preferably, the compatilizer is three monooctyl ester of dioctyl phthalate and/or trimellitic anhydride.
- 9. a kind of preparation method of any one of claim 1-8 body flame foamed polystyrene imitated wood materials, described Method obtains the body flame foamed polystyrene imitation wood material for granulation, extrusion molding, cooling and shaping after raw material is mixed Material.
- 10. preparation method according to claim 9, which is characterized in that the condition of the granulation is：Barrel zone temperature is 140- 180 DEG C, screw speed 100-300rpm；Preferably, the condition of the extrusion molding is：Barrel zone temperature is 160-200 DEG C, screw speed 10-30rpm.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112266544A (en) * | 2020-10-31 | 2021-01-26 | 三益(玉田)新材料科技有限公司 | Polystyrene extruded sheet with high dimensional stability and preparation process thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4247652A (en) * | 1977-05-26 | 1981-01-27 | Mitsui Petrochemical Industries, Ltd. | Thermoplastic elastomer blends with olefin plastic, and foamed products of the blends |
| CN105089233A (en) * | 2015-08-06 | 2015-11-25 | 安徽铭源新型建材科技有限公司 | High-performance heat insulation wallboard and method for preparing fireproof material thereof |
-
2018
- 2018-02-02 CN CN201810108131.XA patent/CN108084588A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4247652A (en) * | 1977-05-26 | 1981-01-27 | Mitsui Petrochemical Industries, Ltd. | Thermoplastic elastomer blends with olefin plastic, and foamed products of the blends |
| CN105089233A (en) * | 2015-08-06 | 2015-11-25 | 安徽铭源新型建材科技有限公司 | High-performance heat insulation wallboard and method for preparing fireproof material thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112266544A (en) * | 2020-10-31 | 2021-01-26 | 三益(玉田)新材料科技有限公司 | Polystyrene extruded sheet with high dimensional stability and preparation process thereof |
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Application publication date: 20180529 |