CN109593282A - For the fire retardant of polystyrene, fire retardant polystyrene material and preparation method thereof - Google Patents
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- CN109593282A CN109593282A CN201811520130.2A CN201811520130A CN109593282A CN 109593282 A CN109593282 A CN 109593282A CN 201811520130 A CN201811520130 A CN 201811520130A CN 109593282 A CN109593282 A CN 109593282A
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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
- C08L25/00—Compositions 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; Compositions of derivatives of such polymers
- C08L25/02—Homopolymers or copolymers of hydrocarbons
- C08L25/04—Homopolymers or copolymers of styrene
- C08L25/06—Polystyrene
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F289/00—Macromolecular compounds obtained by polymerising monomers on to macromolecular compounds not provided for in groups C08F251/00 - C08F287/00
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- C08H—DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
- C08H6/00—Macromolecular compounds derived from lignin, e.g. tannins, humic acids
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- C08L2201/02—Flame or fire retardant/resistant
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Abstract
The fire retardant that the present invention relates to a kind of for polystyrene, fire retardant polystyrene material and preparation method thereof, the fire retardant for polystyrene is mainly prepared by following raw material: maleic anhydride modified lignin, styrene and initiator.Since this is for containing structure similar with polystyrene molecule in the fire retardant of polystyrene, the compatibility between polystyrene is very good.Moreover, this, which is used for the benzene ring structure containing rigidity in the fire retardant of polystyrene, will not influence the mechanical strength of polystyrene while assigning polystyrene flame retardant property；Again because the fire retardant has the function of crystallization nucleating agent, while assigning polystyrene flame retardant property, moreover it is possible to improve the heat resistance of polystyrene.In addition, the raw material of the fire retardant for being used for polystyrene belongs to paper industry waste mainly from lignin, recycled and be used to prepare the fire retardant for being used for polystyrene, significantly reduces the cost of fire retardant.
Description
Technical field
The present invention relates to polymeric material fields, more particularly to a kind of fire retardant for polystyrene, fire-retardant polyphenyl
Vinyl material and preparation method thereof.
Background technique
Polystyrene (Polystyrene, PS) refers to the polymer by styrene monomer free radical addition polymerization.
The molding of polystyrene easy processing, and have many advantages, such as that transparent, cheap, rigidity, insulation, printing are good, it can be widely used for light industry city
Field, daily decoration, illumination instruction and packaging etc..It is even more good insulating materials and heat-insulating heat-preserving material in electrical aspect,
Various meter cases, lampshade, optical chemical instrument part, transparent membrane, capacitor dielectric layer etc. can be made.But it is easily fired
The shortcomings that burning, limits it and further applies, and polystyrene decomposes generation styrene monomer, styrene dimer and carbon after meeting fire
Hydrogen compound, and the melting drippage with open fire is also easy to produce when polystyrene burns, can ignite other combustibles, even if removing fire
Source remains to sustained combustion, therefore the fire in stacking and building construction process.Polystyrene is carried out flame-retardant modified
Seem particularly important, mainly improve its flame retardant property by adding various expanding fire retardants into polystyrene resin at present,
But conventional flame retardant and polystyrene poor compatibility, reduce the mechanical strength of polystyrene.
Summary of the invention
Based on this, it is necessary to provide a kind of fire retardant for being preferably used for polystyrene with polystyrene compatibility.
A kind of fire retardant for polystyrene, is mainly prepared by following raw material: maleic anhydride modified lignin, benzene
Ethylene and initiator.
The present invention, by initiator for reaction, is generated for polystyrene using maleic anhydride modified lignin and styrene
Fire retardant, specific reaction principle are as shown in Figure 1.Since this in the fire retardant of polystyrene for containing and polystyrene molecule
Similar structure, therefore the compatibility between polystyrene is very good.Moreover, this is used to contain in the fire retardant of polystyrene
The benzene ring structure of rigidity will not influence the mechanical strength of polystyrene while assigning polystyrene flame retardant property；And because
The fire retardant has the function of crystallization nucleating agent, while assigning polystyrene flame retardant property, moreover it is possible to improve polystyrene
Heat resistance.In addition, the raw material of the fire retardant for being used for polystyrene belongs to paper industry waste mainly from lignin,
It is recycled and is used to prepare the fire retardant for being used for polystyrene, significantly reduce the cost of fire retardant.
The matter of the maleic anhydride modified lignin, the styrene and the initiator in one of the embodiments,
Amount is than being 1:(0.1~0.5): (0.003~0.01).
The matter of the maleic anhydride modified lignin, the styrene and the initiator in one of the embodiments,
Amount is than being 1:(0.2~0.3): (0.005~0.008).
The maleic anhydride modified lignin is mainly prepared by the component of following mass fraction in one of the embodiments,
It obtains: 100 parts and 10~30 parts of maleic anhydride of sourwood quality.
The initiator is benzoyl peroxide or azodiisobutyronitrile in one of the embodiments,.
The present invention also provides a kind of preparation methods of above-mentioned fire retardant for polystyrene, comprising the following steps: by institute
State maleic anhydride modified lignin, the styrene and the initiator mixing after in 90~110 DEG C back flow reaction 4~6 hours,
Obtain the fire retardant for being used for polystyrene.
The maleic anhydride modified lignin is prepared by following methods in one of the embodiments: by sourwood matter
Element and maleic anhydride mix in glycol dimethyl ether, in 80~90 DEG C back flow reaction 2~8 hours, it is cooling, be filtered, washed, obtain
To the maleic anhydride modified lignin.
The present invention also provides a kind of fire retardant polystyrenes, are mainly prepared by following raw material: polystyrene and above-mentioned use
In the fire retardant of polystyrene.
The mass ratio of the polystyrene and the fire retardant for polystyrene is 1 in one of the embodiments:
(0.1~0.45).
The present invention also provides a kind of preparation methods of above-mentioned fire retardant polystyrene, comprising the following steps: by the polyphenyl second
Alkene and the fire retardant mixing and extrusion molding for polystyrene, obtain the fire retardant polystyrene.
Detailed description of the invention
Fig. 1 is the reaction principle of maleic anhydride modified lignin, styrene and initiator；
Fig. 2 is the reaction principle of maleic anhydride and sourwood quality.
Specific embodiment
To facilitate the understanding of the present invention, below will to invention is more fully described, and give it is of the invention compared with
Good embodiment.But the invention can be realized in many different forms, however it is not limited to embodiment described herein.Phase
Instead, purpose of providing these embodiments is makes the disclosure of the present invention more thorough and comprehensive.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein "and/or" includes one or more phases
Any and all combinations of the listed item of pass.
The fire retardant for polystyrene of one embodiment of the invention, is mainly prepared by following raw material: maleic anhydride
Modified lignin resin, styrene and initiator.
The present embodiment generates by making maleic anhydride modified lignin and styrene by initiator for reaction and is used for polyphenyl second
The fire retardant of alkene, specific reaction principle are as shown in Figure 1.Since this in the fire retardant of polystyrene for containing and polystyrene
The similar structure of molecule, therefore the compatibility between polystyrene is very good.Moreover, this is used in the fire retardant of polystyrene
Benzene ring structure containing rigidity will not influence the mechanical strength of polystyrene while assigning polystyrene flame retardant property；Again
Because the fire retardant has the function of crystallization nucleating agent, while assigning polystyrene flame retardant property, moreover it is possible to improve polyphenyl
The heat resistance of ethylene.In addition, it is discarded to belong to paper industry mainly from lignin for the raw material of the fire retardant for being used for polystyrene
Object is recycled and is used to prepare the fire retardant for being used for polystyrene, and the cost of fire retardant is significantly reduced.
In a specific example, the mass ratio of maleic anhydride modified lignin, styrene and initiator be 1:(0.1~
0.5): (0.003~0.01).
Preferably, the mass ratio of maleic anhydride modified lignin, styrene and initiator is 1:(0.2~0.3): (0.005
~0.008).
In a specific example, maleic anhydride modified lignin is mainly prepared by the component of following mass fraction:
100 parts and 10~30 parts of maleic anhydride of sourwood quality.Since alkali lignin does not pass through sulfonation, containing impurity such as more salt,
The subsequent fire retardant for preparing is difficult to form.
In a specific example, initiator is benzoyl peroxide or azodiisobutyronitrile.
The preparation method of the fire retardant for polystyrene of one embodiment of the invention, comprising the following steps: by maleic acid
After anhydride modification lignin, styrene and initiator mixing in 90~110 DEG C back flow reaction 4~6 hours, obtain for polystyrene
Fire retardant.
In a specific example, maleic anhydride modified lignin is prepared by following methods: by sourwood quality and horse
Carry out acid anhydrides to mix in glycol dimethyl ether, in 80~90 DEG C back flow reaction 2~8 hours, it is cooling, be filtered, washed, obtain Malaysia
Anhydride modified lignin, specific reaction principle are as shown in Figure 2.
The fire retardant polystyrene material of one embodiment of the invention, is mainly prepared by following raw material: polystyrene and upper
State the fire retardant for polystyrene.It is appreciated that other auxiliary agents can also be added as needed.
In a specific example, polystyrene with for polystyrene fire retardant mass ratio be 1:(0.1~
0.45)。
The preparation method of the fire retardant polystyrene material of one embodiment of the invention, comprising the following steps: by polystyrene and
For the fire retardant mixing and extrusion molding of polystyrene, fire retardant polystyrene material is obtained.
In a specific example, polystyrene and for polystyrene fire retardant mixing after pass through double screw extruder
Extrusion molding, extrusion Shi Yiqu temperature is 130~150 DEG C, two area's temperature are 150~170 DEG C, three area's temperature are 160~180
DEG C, four area's temperature be 170~190 DEG C, five area's temperature are 180~200 DEG C, six area's temperature are 190~210 DEG C, head temperature is
190~200 DEG C.
The following are specific embodiments.
Embodiment 1
The dry sourwood quality of 100 mass parts and 20 mass parts maleic anhydrides are added to equipped with the anti-of glycol dimethyl ether
It answers in device, after back flow reaction 5 hours, is cooled to room temperature, is filtered, washed, obtain maleic anhydride modified lignin in 85 degrees Celsius.
The maleic anhydride modified lignin of 100 mass parts, 30 mass parts styrene and 0.5 mass parts initiator azo two is different
Butyronitrile (AIBN) is added in reactor, obtains the fire retardant for polystyrene after back flow reaction 5 hours in 100 DEG C.
The fire retardant that 100 mass parts polystyrene and 25 mass parts are used for polystyrene is sufficiently mixed in high mixer,
It is granulated again through double screw extruder melting extrusion, obtains fire retardant polystyrene material, squeezing out Shi Yiqu temperature is 140 DEG C, 2nd area
Temperature is 160 DEG C, three area's temperature are 170 DEG C, four area's temperature are 180 DEG C, five area's temperature are 190 DEG C, six area's temperature are 200 DEG C,
Head temperature is 200 DEG C.
Embodiment 2
The dry sourwood quality of 100 mass parts and 20 mass parts maleic anhydrides are added to equipped with the anti-of glycol dimethyl ether
It answers in device, after back flow reaction 5 hours, is cooled to room temperature, is filtered, washed, obtain maleic anhydride modified lignin in 85 degrees Celsius.
By two isobutyl of the maleic anhydride modified lignin of 100 mass parts, 50 mass parts styrene and 1 mass parts initiator azo
Nitrile (AIBN) is added in reactor, obtains the fire retardant for polystyrene after back flow reaction 5 hours in 110 DEG C.
The fire retardant that 100 mass parts polystyrene and 25 mass parts are used for polystyrene is sufficiently mixed in high mixer,
It is granulated again through double screw extruder melting extrusion, obtains fire retardant polystyrene material, squeezing out Shi Yiqu temperature is 140 DEG C, 2nd area
Temperature is 160 DEG C, three area's temperature are 170 DEG C, four area's temperature are 180 DEG C, five area's temperature are 190 DEG C, six area's temperature are 200 DEG C,
Head temperature is 200 DEG C.
Embodiment 3
The dry sourwood quality of 100 mass parts and 20 mass parts maleic anhydrides are added to equipped with the anti-of glycol dimethyl ether
It answers in device, after back flow reaction 5 hours, is cooled to room temperature, is filtered, washed, obtain maleic anhydride modified lignin in 85 degrees Celsius.
The maleic anhydride modified lignin of 100 mass parts, 60 mass parts styrene and 1.5 mass parts initiator azos two are different
Butyronitrile (AIBN) is added in reactor, obtains the fire retardant for polystyrene after back flow reaction 5 hours in 100 DEG C.
The fire retardant that 100 mass parts polystyrene and 25 mass parts are used for polystyrene is sufficiently mixed in high mixer,
It is granulated again through double screw extruder melting extrusion, obtains fire retardant polystyrene material, squeezing out Shi Yiqu temperature is 140 DEG C, 2nd area
Temperature is 160 DEG C, three area's temperature are 170 DEG C, four area's temperature are 180 DEG C, five area's temperature are 190 DEG C, six area's temperature are 200 DEG C,
Head temperature is 200 DEG C.
Embodiment 4
The dry sourwood quality of 100 mass parts and 20 mass parts maleic anhydrides are added to equipped with the anti-of glycol dimethyl ether
It answers in device, after back flow reaction 5 hours, is cooled to room temperature, is filtered, washed, obtain maleic anhydride modified lignin in 85 degrees Celsius.
The maleic anhydride modified lignin of 100 mass parts, 5 mass parts styrene and 0.1 mass parts initiator azo two is different
Butyronitrile (AIBN) is added in reactor, obtains the fire retardant for polystyrene after back flow reaction 5 hours in 100 DEG C.
The fire retardant that 100 mass parts polystyrene and 25 mass parts are used for polystyrene is sufficiently mixed in high mixer,
It is granulated again through double screw extruder melting extrusion, obtains fire retardant polystyrene material, squeezing out Shi Yiqu temperature is 140 DEG C, 2nd area
Temperature is 160 DEG C, three area's temperature are 170 DEG C, four area's temperature are 180 DEG C, five area's temperature are 190 DEG C, six area's temperature are 200 DEG C,
Head temperature is 200 DEG C.
Embodiment 5
The dry sourwood quality of 100 mass parts and 20 mass parts maleic anhydrides are added to equipped with the anti-of glycol dimethyl ether
It answers in device, after back flow reaction 5 hours, is cooled to room temperature, is filtered, washed, obtain maleic anhydride modified lignin in 85 degrees Celsius.
By the maleic anhydride modified lignin of 100 mass parts, 30 mass parts styrene and 0.5 mass parts initiator benzoyl peroxide
Formyl is added in reactor, obtains the fire retardant for polystyrene after back flow reaction 5 hours in 100 DEG C.
The fire retardant that 100 mass parts polystyrene and 40 mass parts are used for polystyrene is sufficiently mixed in high mixer,
It is granulated again through double screw extruder melting extrusion, obtains fire retardant polystyrene material, squeezing out Shi Yiqu temperature is 140 DEG C, 2nd area
Temperature is 160 DEG C, three area's temperature are 170 DEG C, four area's temperature are 180 DEG C, five area's temperature are 190 DEG C, six area's temperature are 200 DEG C,
Head temperature is 200 DEG C.
Embodiment 6
The dry sourwood quality of 100 mass parts and 20 mass parts maleic anhydrides are added to equipped with the anti-of glycol dimethyl ether
It answers in device, after back flow reaction 5 hours, is cooled to room temperature, is filtered, washed, obtain maleic anhydride modified lignin in 85 degrees Celsius.
By the maleic anhydride modified lignin of 100 mass parts, 30 mass parts styrene and 0.5 mass parts initiator benzoyl peroxide
Formyl is added in reactor, obtains the fire retardant for polystyrene after back flow reaction 5 hours in 100 DEG C.
The fire retardant that 100 mass parts polystyrene and 8 mass parts are used for polystyrene is sufficiently mixed in high mixer, then
It is granulated through double screw extruder melting extrusion, obtains fire retardant polystyrene material, squeezing out Shi Yiqu temperature is 130 DEG C, two area's temperature
Degree is 150 DEG C, three area's temperature are 160 DEG C, four area's temperature are 170 DEG C, five area's temperature are 180 DEG C, six area's temperature are 190 DEG C, machine
Head temperature is 190 DEG C.
Embodiment 7
The dry sourwood quality of 100 mass parts and 40 mass parts maleic anhydrides are added to equipped with the anti-of glycol dimethyl ether
It answers in device, after back flow reaction 5 hours, is cooled to room temperature, is filtered, washed, obtain maleic anhydride modified lignin in 85 degrees Celsius.
The maleic anhydride modified lignin of 100 mass parts, 30 mass parts styrene and 0.5 mass parts initiator azo two is different
Butyronitrile (AIBN) is added in reactor, obtains the fire retardant for polystyrene after back flow reaction 5 hours in 100 DEG C.
The fire retardant that 100 mass parts polystyrene and 25 mass parts are used for polystyrene is sufficiently mixed in high mixer,
It is granulated again through double screw extruder melting extrusion, obtains fire retardant polystyrene material, squeezing out Shi Yiqu temperature is 150 DEG C, 2nd area
Temperature is 170 DEG C, three area's temperature are 180 DEG C, four area's temperature are 190 DEG C, five area's temperature are 200 DEG C, six area's temperature are 210 DEG C,
Head temperature is 200 DEG C.
Embodiment 8
The dry sourwood quality of 100 mass parts and 5 mass parts maleic anhydrides are added to equipped with the anti-of glycol dimethyl ether
It answers in device, after back flow reaction 5 hours, is cooled to room temperature, is filtered, washed, obtain maleic anhydride modified lignin in 85 degrees Celsius.
The maleic anhydride modified lignin of 100 mass parts, 30 mass parts styrene and 0.5 mass parts initiator azo two is different
Butyronitrile (AIBN) is added in reactor, obtains the fire retardant for polystyrene after back flow reaction 5 hours in 100 DEG C.
The fire retardant that 100 mass parts polystyrene and 25 mass parts are used for polystyrene is sufficiently mixed in high mixer,
It is granulated again through double screw extruder melting extrusion, obtains fire retardant polystyrene material, squeezing out Shi Yiqu temperature is 140 DEG C, 2nd area
Temperature is 160 DEG C, three area's temperature are 170 DEG C, four area's temperature are 180 DEG C, five area's temperature are 190 DEG C, six area's temperature are 200 DEG C,
Head temperature is 200 DEG C.
Comparative example 1
By 100 mass parts sourwood quality, 30 mass parts styrene and 0.5 mass parts initiator azodiisobutyronitrile (AIBN)
It is added in reactor, obtains product after back flow reaction 5 hours in 100 DEG C.
100 mass parts polystyrene and the above-mentioned product of 25 mass parts are sufficiently mixed in high mixer, then are squeezed through twin-screw
Machine melting extrusion is granulated out, obtains polystyrene material, extrusion Shi Yiqu temperature is 140 DEG C, two area's temperature are 160 DEG C, 3rd area
Temperature is 170 DEG C, four area's temperature are 180 DEG C, five area's temperature are 190 DEG C, six area's temperature are 200 DEG C, head temperature is 200 DEG C.
Comparative example 2
By the vinyl acetate modified sourwood quality of 100 mass parts, 30 mass parts styrene and 0.5 mass parts initiator azo two
Isobutyronitrile (AIBN) is added in reactor, obtains product after back flow reaction 5 hours in 100 DEG C.
100 mass parts polystyrene and the above-mentioned product of 25 mass parts are sufficiently mixed in high mixer, then are squeezed through twin-screw
Machine melting extrusion is granulated out, obtains polystyrene material, extrusion Shi Yiqu temperature is 140 DEG C, two area's temperature are 160 DEG C, 3rd area
Temperature is 170 DEG C, four area's temperature are 180 DEG C, five area's temperature are 190 DEG C, six area's temperature are 200 DEG C, head temperature is 200 DEG C.
Comparative example 3
It will be sufficiently mixed in 100 mass parts polystyrene and 25 mass parts fire retardant aluminium hydroxide high mixers, then through double spiral shells
Bar extruder melting extrusion is granulated, and obtains polystyrene material, squeeze out Shi Yiqu temperature be 140 DEG C, two area's temperature are 160 DEG C,
Three area's temperature are 170 DEG C, four area's temperature are 180 DEG C, five area's temperature are 190 DEG C, six area's temperature are 200 DEG C, head temperature 200
℃。
Comparative example 4
By 100 mass parts vinylacetates, the maleic anhydride modified lignin of 10 mass parts and 1 mass parts azodiisobutyronitrile
Mixing is reacted 6 hours at 80 DEG C, obtains reactant, and purification obtains product.
100 mass parts polystyrene and the 25 mass parts products are sufficiently mixed in high mixer, then through twin-screw extrusion
Machine melting extrusion is granulated, and obtains modified polystyrene material, extrusion Shi Yiqu temperature is 140 DEG C, two area's temperature are 160 DEG C, three
Area's temperature is 170 DEG C, four area's temperature are 180 DEG C, five area's temperature are 190 DEG C, six area's temperature are 200 DEG C, head temperature 200
℃。
Tensile strength (GB/T 1040-2006 mark is carried out to polystyrene material obtained by each embodiment and comparative example
It is quasi-), glass transition temperature and oxygen index (OI) (GB/T2406-93 standard) test, the results are shown in Table 1.As known from Table 1, the application is real
The fire retardant polystyrene material of example is applied compared with the polystyrene material of comparative example, not only there is excellent anti-flammability, but also have
There are better mechanical strength and heat resistance.
Table 1
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of fire retardant for polystyrene, which is characterized in that be mainly prepared by following raw material: maleic anhydride modified
Lignin, styrene and initiator.
2. the fire retardant according to claim 1 for polystyrene, which is characterized in that described maleic anhydride modified wooden
The mass ratio of plain, the described styrene and the initiator is 1:(0.1~0.5): (0.003~0.01).
3. the fire retardant according to claim 2 for polystyrene, which is characterized in that described maleic anhydride modified wooden
The mass ratio of plain, the described styrene and the initiator is 1:(0.2~0.3): (0.005~0.008).
4. the fire retardant according to claim 1 for polystyrene, which is characterized in that described maleic anhydride modified wooden
Element is mainly prepared by the component of following mass fraction: 100 parts and 10~30 parts of maleic anhydride of sourwood quality.
5. the fire retardant according to claim 1 for polystyrene, which is characterized in that the initiator is benzoyl peroxide
Formyl or azodiisobutyronitrile.
6. a kind of preparation method of the described in any item fire retardants for polystyrene of Claims 1 to 5, which is characterized in that
The following steps are included: in 90~110 DEG C after the maleic anhydride modified lignin, the styrene and the initiator are mixed
Back flow reaction 4~6 hours, obtain the fire retardant for being used for polystyrene.
7. preparation method according to claim 6, which is characterized in that the maleic anhydride modified lignin is by following methods
Be prepared: sourwood quality and maleic anhydride mixed in glycol dimethyl ether, in 80~90 DEG C back flow reaction 2~8 hours,
Cooling is filtered, washed, and obtains the maleic anhydride modified lignin.
8. a kind of fire retardant polystyrene material, which is characterized in that be mainly prepared by following raw material: in polystyrene and right
It is required that 1~5 described in any item fire retardants for polystyrene.
9. fire retardant polystyrene material according to claim 8, which is characterized in that the polystyrene is with described for gathering
The mass ratio of the fire retardant of styrene is 1:(0.1~0.45).
10. a kind of preparation method of the described in any item fire retardant polystyrene materials of claim 8~9, which is characterized in that including
Following steps: by the polystyrene and the fire retardant for being used for polystyrene mixes and extrusion molding, obtains described fire-retardant
Polystyrene material.
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| CN110819088A (en) * | 2019-12-12 | 2020-02-21 | 湖南绿燊环保科技有限公司 | Impact-resistant polylactic acid composite material and preparation method thereof |
| CN110903566A (en) * | 2019-12-08 | 2020-03-24 | 怀化学院 | Flame-retardant polystyrene material and preparation method thereof |
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| JP2010254754A (en) * | 2009-04-22 | 2010-11-11 | Shin-Etsu Chemical Co Ltd | Additive for use in flame-retardation of organic resin, flame-retardant resin composition and molded article of the same |
| CN102604307A (en) * | 2012-03-08 | 2012-07-25 | 华东理工大学 | Novel polypropylene composite |
| CN106674856A (en) * | 2016-12-27 | 2017-05-17 | 上海普利特复合材料股份有限公司 | Low-emission flame-retardant polystyrene material and preparation method thereof |
| CN107973885A (en) * | 2017-12-27 | 2018-05-01 | 湖南师范大学 | Tough fire retardant agent and preparation method thereof |
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| CN110903566A (en) * | 2019-12-08 | 2020-03-24 | 怀化学院 | Flame-retardant polystyrene material and preparation method thereof |
| CN110819088A (en) * | 2019-12-12 | 2020-02-21 | 湖南绿燊环保科技有限公司 | Impact-resistant polylactic acid composite material and preparation method thereof |
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