CN107417235A - A kind of flame retardant polystyrene foam plate and preparation method thereof - Google Patents
A kind of flame retardant polystyrene foam plate and preparation method thereof Download PDFInfo
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- CN107417235A CN107417235A CN201710453345.6A CN201710453345A CN107417235A CN 107417235 A CN107417235 A CN 107417235A CN 201710453345 A CN201710453345 A CN 201710453345A CN 107417235 A CN107417235 A CN 107417235A
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- foam plate
- fire proofing
- polystyrene foam
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/24—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing alkyl, ammonium or metal silicates; containing silica sols
- C04B28/26—Silicates of the alkali metals
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/36—After-treatment
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00482—Coating or impregnation materials
- C04B2111/00551—Refractory coatings, e.g. for tamping
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- 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
- C08J2325/02—Homopolymers or copolymers of hydrocarbons
- C08J2325/04—Homopolymers or copolymers of styrene
- C08J2325/06—Polystyrene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2451/00—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
- C08J2451/02—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers grafted on to polysaccharides
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Ceramic Engineering (AREA)
- Health & Medical Sciences (AREA)
- Polymers & Plastics (AREA)
- Inorganic Chemistry (AREA)
- Medicinal Chemistry (AREA)
- Structural Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
The invention discloses a kind of flame retardant polystyrene foam plate, and it is that a kind of fire proofing is coated on polystyrene foam plate, and by the micropore of polystyrene foam plate, penetrates into granules of polystyrene surface；A kind of described fire proofing, its components by weight percent are：40 ~ 50 parts of magnesium hydroxide, 5 ~ 7 parts of swelling agent, 2 parts of flocculant, 0.5 ~ 1.5 part of surfactant, 15 ~ 20 parts of organic modification montmonrillonite, 10 ~ 15 parts of organically-modified boron oxide, described flocculant is carried out obtained by graft copolymerization by carboxymethyl chitosan and polyacrylamide, wherein the mass fraction of the chitosan is 35%；Granules of polystyrene coats one layer of fire proofing；The weight of granules of polystyrene and fire proofing ratio is 1: 4~10；Benzene plate overall structure after burning is complete, ungauged regions, collapses.
Description
Technical field
The present invention relates to building heat preserving field of material technology, more particularly to a kind of halogen-free flameproof polystyrene foam to be incubated
Plate and its manufacture method.
Background technology
Polystyrene steeps plate（Also known as EPS sheet）Because its intensity is high, durable length, heat-insulating property are good, and low cost, construction
Simply, it is easy to maintenance, and it is widely used as the insulation material of building.But polystyrene material is a kind of inflammable macromolecule in itself
Material, ignitor firing time is short, and HRR is high, and a large amount of toxic gases and smog can be discharged in combustion process.What tradition used
Fire proofing containing halogen has further aggravated the release of toxic gas and smog.Therefore prepare the EPS sheet pair of halogen-free flameproof
Effective fire preventing reduces fire hazard and is significant.
In order to improve the fire line of ESP plates, the method generally taken at present is in granules of polystyrene and fire proofing material
Plate, such as the Chinese patent of Application No. 200810061225.2 are pressed into after stirring《A kind of polystyrene foam plate and its
Preparation method》A kind of preparation method of polystyrene foam plate is disclosed, is comprised the following steps：Step 1: first by polyphenyl second
Alkene plastics particle is foamed into light foam particle by steam；Step 2: prepare magnesia oxychloride cement；Step 3: by polyphenyl
Vinyl foam grain fully mixes and stirs with magnesia oxychloride cement, makes foam particle Surface coating magnesia oxychloride cement；Step 4: it will mix and stir
Foam particle magnesia oxychloride cement polystyrene foam plate is made.The preparation method of this polystyrene foam plate exists maximum
The problem of be exactly that magnesia oxychloride cement can not be uniformly coated on polystyrene foam particles, and magnesia oxychloride cement and polyphenyl second
Alkene foam beads also are difficult to reach equally distributed purpose in monoblock polystyrene foam plate, and this is due to polystyrene foam
Particle is different with the proportion of magnesia oxychloride cement, the larger chlorine oxygen magnesium water of proportion during their mixture solidifies in a mold
Mud can gradually deposit to bottom, cause the magnesia oxychloride cement on the surface of the polystyrene foam particles on upper strata to be less than lower floor,
This fire protecting performance or heat-insulating property either to this polystyrene foam plate is all unfavorable.Chinese patent
103174228A discloses a kind of pinprick legal system and makes fire prevention polystyrene foam plate.This pinprick method is steeped in polystyrene
Several pores are beaten on foam plate, then fire proofing material is poured into pore, polystyrene foam plate is provided with certain fire prevention
Property, but because perforate density is not high, fire proofing material can not be largely filled into cystosepiment, and have substantial portion of foam
Grain is not protected by fire proofing material, therefore the fire protecting performance of this EPS sheet is not satisfactory.In addition punching can be to the mechanics of sheet material
Performance is negatively affected.In order to overcome applied fireproofing can not with the problem of the good comprehensive engagement of granules of polystyrene, specially
Fire proofing material is penetrated into, uniformly wrapped using itself existing fine closed pore in the styrofoam being molded by the sharp A of CN 104481044
Overlay on the surface of granules of polystyrene.This method significantly improves the contact surface of fire proofing and granules of polystyrene, so as to
Improve the fire resistance of polystyrene foam plate.But the inorganic anti-flaming material used in it is glass microballoon and calcium carbonate, this
For class inorganic material to there was only buffer action, fire retardant mechanism is single, and flame retarding efficiency is relatively low, and the benzene plate after burning is easily shunk, collapsed.
The content of the invention
It is an object of the present invention to provide the benzene plate overall structure after a kind of burning is complete, ungauged regions, collapse, good flame retardation effect resistance
Fire polystyrene foam plate and preparation method thereof.
A kind of fire proofing system, components by weight percent are：30 ~ 60 parts of magnesium hydroxide, 5 ~ 10 parts of swelling agent, flocculant 1 ~ 2
Part, 0.5 ~ 1.5 part of surfactant, 10 ~ 20 parts of organic modification montmonrillonite, 10 ~ 20 parts of organically-modified boron oxide, described flocculation
Agent is carried out obtained by graft copolymerization, wherein the mass fraction of the chitosan is by carboxymethyl chitosan and polyacrylamide
30-40%, using waterglass as mixture binding agent, its mass fraction is 40 ~ 50 parts；（Annotation：Waterglass is water-soluble for sodium metasilicate
Liquid, therefore can have the function that to cohere mineral matter as the mixed carrier of system, the aqueous solution）
Described swelling agent is alumite plumping agent, sulphoaluminate expander or calcium oxide swelling agent；
Described surfactant is lauryl sodium sulfate or dodecyl sodium sulfate；
Described components by weight percent is：40 ~ 50 parts of magnesium hydroxide, 5 ~ 7 parts of swelling agent, 2 parts of flocculant, surfactant 0.5 ~ 1.5
Part, 15 ~ 20 parts of organic modification montmonrillonite, 10 ~ 15 parts of organically-modified boron oxide, 40 ~ 50 parts of waterglass；Described flocculant is by carboxylic
Methyl chitosan and polyacrylamide are carried out obtained by graft copolymerization, wherein the mass fraction of the chitosan is 35%；
The granularity of described organic modification montmonrillonite is 800 ~ 1500 mesh；
The granularity of described organically-modified boron oxide is 800 ~ 1500 mesh.
A kind of flame retardant polystyrene foam plate, it is prepared by following methods：
A) by a kind of described fire proofing,（Annotation：Waterglass is a kind of aqueous solution, the mixed carrier as blend）Stir
10-15min is mixed, it is uniformly rear to stand 25~35min；
B) polystyrene foam plate is put into mould, by a kind of fire proofing injection mould after step a) processing, from poly-
Styrenic foams plate top is uniformly penetrated into and gradually solidifies 3-5min；
C) polystyrene foam plate is removed from the molds, dried at a temperature of 90 DEG C, drying time 60min；
The granularity of the polystyrene foam plate particle is 4~6mm, the polystyrene foam plate and a kind of fire proofing
Weight ratio be 1:4~10.
The invention provides a kind of flame retardant polystyrene foam plate, and it is that a kind of fire proofing is coated on into polystyrene bubble
On foam plate, and by the micropore of polystyrene foam plate, penetrate into granules of polystyrene surface；A kind of described fire proofing, it
Components by weight percent be：It is 40 ~ 50 parts of magnesium hydroxide, 5 ~ 7 parts of swelling agent, 2 parts of flocculant, 0.5 ~ 1.5 part of surfactant, organic
15 ~ 20 parts of modified montmorillonoid, 10 ~ 15 parts of organically-modified boron oxide, described flocculant is by carboxymethyl chitosan and polyacrylamide
Amine is carried out obtained by graft copolymerization, wherein the mass fraction of the chitosan is 35%；Granules of polystyrene coats one layer of resistance
Combustible material.The weight of granules of polystyrene and fire proofing ratio is 1: 4~10.
Polystyrene foam runs into naked light and then softens, melts, shrinks and drip, and is formed flee fire and stream in the air and on the ground
Fire is dropped down, while discharges amount of heat, black smoke and poisonous gas product.The present invention is existing micro- in itself using polystyrene foam plate
Hole, by osmosis, a kind of fire proofing is penetrated into cystosepiment, granules of polystyrene surface is coated one layer of inorganic fire-retarded material
Material, one play buffer action, pyrogen, oxygen are isolated with granules of polystyrene.Second, magnesium hydroxide flame retardant material is in high temperature
Under dehydration can occur, generate a large amount of water and take away heat, reduce material surface temperature, while steam can be with diluent air
Oxygen, and combustible gas concentration, so as to play fire retardation.Third, boron oxide has relatively low melting temperature, fired in big fire
Under burning, can melt to form high viscosity melt body, the melt body magnesium hydroxide is dehydrated after solid product and montmorillonite be bonded together,
Above inorganic mixture forms compact solid structure into porcelain under the conditions of higher temperature, prevents polystyrene from molten drop phenomenon occurs.
Benzene plate overall structure after final burning is complete, ungauged regions, collapses.In addition inorganic combustion inhibitor system of the invention has stronger
Press down hood, so as to substantially reduce the generation of toxic gas and smog.Fourth, inorganic combustion inhibitor fine size and surface in the present invention
Carry out organically-modified, there is good compatibility with granules of polystyrene, therefore inorganic combustion inhibitor uniformly can firmly be inhaled
Enter in granules of polystyrene surface, improve flame retarding efficiency.
Embodiment
The present invention is specifically described below by embodiment, it is necessary to it is pointed out here that be that following examples are served only for
The present invention is further described, it is impossible to be interpreted as limiting the scope of the invention, the person skilled in the art in the field
Some nonessential modifications and adaptations can be made according to the present invention.
A kind of 1 fire proofing of embodiment
A kind of fire proofing, components by weight percent are：30 parts of magnesium hydroxide, 5 parts of alumite plumping agent, 1 part of flocculant, dodecyl sulphur
Sour 0.5 part of natrium surfactant, 10 parts of organic modification montmonrillonite（The mesh of granularity 800）, organically-modified 10 parts of boron oxide（Granularity 800
Mesh）, 40 parts of waterglass, described flocculant is to carry out graft copolymerization acquisition by carboxymethyl chitosan and polyacrylamide
, wherein the mass fraction of the chitosan is 30%.Above-mentioned material is added in closed mixer and stirs 10min, uniformly
30min is stood afterwards obtains fire retardant systems of the present invention.
A kind of flame retardant polystyrene foam plate of embodiment 2
A kind of flame retardant polystyrene foam plate, it is prepared by following methods：
A) polystyrene foam plate is put into mould, a kind of fire proofing described in embodiment 1 is injected in mould, from poly-
Styrenic foams plate top is uniformly penetrated into and gradually solidifies 3min；
B) polystyrene foam plate is removed from the molds, dried at a temperature of 90 DEG C, drying time 60min；
The granularity of the polystyrene foam plate particle is 4~6mm, the granules of polystyrene and a kind of fire proofing
Weight ratio is 1:4.
A kind of 3 fire proofing of embodiment
A kind of fire proofing, components by weight percent are：40 parts of magnesium hydroxide, 7 parts of alumite plumping agent, 1.5 parts of flocculant, dodecyl
1.5 parts of sulfuric acid natrium surfactant, 15 parts of organic modification montmonrillonite（The mesh of granularity 1000）, organically-modified 20 parts of boron oxide（Granularity
1500 mesh）, 50 parts of waterglass, described flocculant is to carry out graft copolymerization by carboxymethyl chitosan and polyacrylamide to obtain
, wherein the mass fraction of the chitosan is 35%.Above-mentioned material is added in closed mixer and stirs 10min,
30min is stood after even and obtains fire retardant systems of the present invention.
A kind of flame retardant polystyrene foam plate of embodiment 4
A kind of flame retardant polystyrene foam plate, it is prepared by following methods：
A) polystyrene foam plate is put into mould, a kind of fire proofing described in embodiment 3 is injected in mould, from polyphenyl
Vinyl foam plate top is uniformly penetrated into and gradually solidifies 3min；
B) polystyrene foam plate is removed from the molds, dried at a temperature of 90 DEG C, drying time 60min；
The granularity of the polystyrene foam plate particle is 4~6mm, the granules of polystyrene and a kind of fire proofing
Weight ratio is 1:8.
A kind of 5 fire proofing of embodiment
A kind of fire proofing, components by weight percent are：50 parts of magnesium hydroxide, 7 parts of calcium oxide swelling agent, 2 parts of flocculant, dodecyl sulphur
Sour 1.5 parts of natrium surfactant, 20 parts of organic modification montmonrillonite（The mesh of granularity 1500）, organically-modified 15 parts of boron oxide（Granularity
1000 mesh）, described flocculant is to carry out graft copolymerization acquisition, waterglass by carboxymethyl chitosan and polyacrylamide
45 parts, wherein the mass fraction of the chitosan is 40%.Above-mentioned material is added in closed mixer and stirs 14min,
30min is stood after even and obtains fire retardant systems of the present invention.
A kind of flame retardant polystyrene foam plate of embodiment 6
A kind of flame retardant polystyrene foam plate, it is prepared by following methods：
A) polystyrene foam plate is put into mould, a kind of fire proofing described in embodiment 5 is injected in mould, from polyphenyl
Vinyl foam plate top is uniformly penetrated into and gradually solidifies 5min；
B) polystyrene foam plate is removed from the molds, dried at a temperature of 90 DEG C, drying time 60min；
The granularity of the polystyrene foam plate particle is 4~6mm, the granules of polystyrene and a kind of fire proofing
Weight ratio is 1:10.
A kind of 7 fire proofing of embodiment
A kind of fire proofing, components by weight percent are：60 parts of magnesium hydroxide, 7 parts of sulphoaluminate expander, 2 parts of flocculant, dodecyl
1.5 parts of sulfonate surfactants, 20 parts of organic modification montmonrillonite（The mesh of granularity 1500）, organically-modified 18 parts of boron oxide（Granularity
1200 mesh）, described flocculant is to carry out graft copolymerization acquisition, waterglass by carboxymethyl chitosan and polyacrylamide
48 parts, wherein the mass fraction of the chitosan is 30-40%.Above-mentioned material is added in closed mixer and stirred
15min, uniformly the rear 30min that stands is to obtain fire retardant systems of the present invention.
A kind of flame retardant polystyrene foam plate of embodiment 8
A kind of flame retardant polystyrene foam plate, it is prepared by following methods：
A) polystyrene foam plate is put into mould, a kind of fire proofing described in embodiment 7 is injected in mould, from polyphenyl
Vinyl foam plate top is uniformly penetrated into and gradually solidifies 5min；
B) polystyrene foam plate is removed from the molds, dried at a temperature of 90 DEG C, drying time 60min；
The granularity of the polystyrene foam plate particle is 4~6mm, the granules of polystyrene and a kind of fire proofing
Weight ratio is 1:10.
After tested, the warming plate flame retardant rating of embodiment 2,4,6,8 is UL94-V0 levels.
Claims (7)
1. a kind of fire proofing, components by weight percent are：30 ~ 60 parts of magnesium hydroxide, 5 ~ 10 parts of swelling agent, 1 ~ 2 part of flocculant, surface
0.5 ~ 1.5 part of activating agent, 10 ~ 20 parts of organic modification montmonrillonite, 10 ~ 20 parts of organically-modified boron oxide, described flocculant is by carboxylic
Methyl chitosan and polyacrylamide are carried out obtained by graft copolymerization, wherein the mass fraction of the chitosan is 30-40%.
A kind of 2. fire proofing according to claim 1, it is characterised in that：Described swelling agent be alumite plumping agent,
Sulphoaluminate expander or calcium oxide swelling agent.
A kind of 3. fire proofing according to claim 2, it is characterised in that：Described surfactant is dodecyl sulphur
Sour sodium or dodecyl sodium sulfate.
A kind of 4. fire proofing according to claim 3, it is characterised in that：Described components by weight percent be magnesium hydroxide 40 ~
50 parts, 5 ~ 7 parts of swelling agent, 2 parts of flocculant, 0.5 ~ 1.5 part of surfactant, 15 ~ 20 parts of organic modification montmonrillonite, You Jigai
Property 10 ~ 15 parts of boron oxide, described flocculant carried out obtained by graft copolymerization by carboxymethyl chitosan and polyacrylamide, its
Described in chitosan mass fraction be 35%.
A kind of 5. fire proofing according to claim 4, it is characterised in that：The granularity of described organic modification montmonrillonite is
800 ~ 1500 mesh；The granularity of described organically-modified boron oxide is 800 ~ 1500 mesh.
6. a kind of flame retardant polystyrene foam plate, it is prepared by following methods：
A) by a kind of described fire proofing, 10-15min is stirred, it is uniformly rear to stand 25~35min；
B) polystyrene foam plate is put into mould, by a kind of fire proofing injection mould after step a) processing, from poly-
Styrenic foams plate top is uniformly penetrated into and gradually solidifies 3-5min；
C) polystyrene foam plate is removed from the molds, dried at a temperature of 90 DEG C, drying time 60min.
A kind of 7. flame retardant polystyrene foam plate according to claim 6, it is characterised in that：The polystyrene foam plate
The granularity of particle is 4~6mm, and the weight ratio of the polystyrene foam plate and a kind of fire proofing is 1:4~10.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710453345.6A CN107417235A (en) | 2017-06-15 | 2017-06-15 | A kind of flame retardant polystyrene foam plate and preparation method thereof |
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| CN201710453345.6A CN107417235A (en) | 2017-06-15 | 2017-06-15 | A kind of flame retardant polystyrene foam plate and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109400944A (en) * | 2018-09-06 | 2019-03-01 | 浙江鹏远新材料股份有限公司 | A kind of production technology of flame retardant polystyrene foam plate |
| CN114539598A (en) * | 2022-03-24 | 2022-05-27 | 慈溪市赞恩包装科技有限公司 | Preparation method of foam board with uniform particles |
| CN116731489A (en) * | 2023-07-18 | 2023-09-12 | 四川农业大学 | Degradable antibacterial composite preservative film and preparation method thereof |
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| CN109400944A (en) * | 2018-09-06 | 2019-03-01 | 浙江鹏远新材料股份有限公司 | A kind of production technology of flame retardant polystyrene foam plate |
| CN114539598A (en) * | 2022-03-24 | 2022-05-27 | 慈溪市赞恩包装科技有限公司 | Preparation method of foam board with uniform particles |
| CN116731489A (en) * | 2023-07-18 | 2023-09-12 | 四川农业大学 | Degradable antibacterial composite preservative film and preparation method thereof |
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Application publication date: 20171201 |