CN103374200A - Macromolecular composite foam material as well as preparation method and application thereof - Google Patents
Macromolecular composite foam material as well as preparation method and application thereof Download PDFInfo
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Abstract
The invention belongs to the technical field of macromolecular materials and discloses a macromolecular composite foam material as well as a preparation method and application thereof. The material is formed by the following components in parts by weight: 50-500 parts of polystyrene bead, 500-950 parts of melamine formaldehyde resin, 100-200 parts of a foaming agent, 100-200 parts of a curing agent, 0-200 parts of a surface active agent, 0-150 parts of a flexibilizer and 0-200 parts of an additive. The preparation method comprises the following steps of: stirring 50-500 parts of polystyrene bead, 500-950 parts of melamine formaldehyde resin, 100-200 parts of foaming agent, 0-200 parts of surface active agent, 0-150 parts of flexibilizer and 0-200 parts of additive for 4-6 minutes, preheating the components for 5-10 min so that the temperature of a mixture is 30-40 DEG C, then adding 100-200 parts of curing agent, stirring for 1-2 minutes, pouring a second mixture into a preheated die for foaming and curing for 2-3 hours, thereby obtaining the macromolecular composite foam material. The invention also discloses application of the macromolecular composite foam material in serving as an insulation plate. The macromolecular composite foam material provided by the invention has high anti-flaming property and a good sound isolation effect.
Description
Technical field
The invention belongs to technical field of polymer materials, relate to a kind of polymeric composite foam, preparation method and application thereof.
Background technology
Polymer foams is widely used in sound insulation and heat insulation in buildings.Because its good mechanical property, high insulation values and low cost, the polymer foams such as polystyrene foamed material are widely used as wrapping in the insulcrete that the core in the steel plate is felt nice and cool to form room and factory.Yet the main drawback of polystyrene foam insulcrete is for they is very easy to burning or fusing in fire, soundproof effect is not obvious simultaneously.On the other hand, melamine foam material has outstanding flame retardant properties and soundproof effect, so its prices are rather stiff and the adhesivity of melamine foam material and steel plate is bad.
Because the polystyrene foam insulcrete is non-refractory, easy firing and fusion defects known to the industry, so selected among the international monopoly WO02-064672 English 2002.2.14 with phenolic aldehyde/furane resin and polystyrene syntactic foam plastics, phenolic aldehyde/furane resin have flame retardant resistance, can improve the flame retardant resistance of matrix material.Yet this can only improve flame retardant resistance, can not improve the soundproof effect of matrix material.
Melamine foam material is density degree, open-celled structure described in Chinese patent CN 10173555B, percentage of open area is up to 99%, have good sound insulation, noise reduction and acoustically effective, have simultaneously good mechanics, heat-resisting, ageing-resistant, shock-resistant, acid and alkali-resistance and dielectric properties.When using melamine foam material to improve the flame retardant resistance of polystyrene foam, obtained the good composite foam material of sound-absorbing effect.
Summary of the invention
For the defective of prior art, the purpose of this invention is to provide a kind of polymeric composite foam, this material has good flame retardant resistance and soundproof effect.
Another object of the present invention provides a kind of preparation method of above-mentioned polymeric composite foam.
The 3rd purpose of the present invention provides a kind of purposes of above-mentioned polymeric foamed material.
Technical scheme of the present invention is as follows:
The invention provides a kind of polymeric composite foam, this material is made by the component that comprises following weight part:
50～500 parts of polystyrene beads,
500～950 parts of terpolycyantoamino-formaldehyde resins,
100～200 parts of whipping agents,
100～200 parts in solidifying agent,
0～200 part in tensio-active agent,
0～150 part of toughner,
0～200 part of additive.
Described whipping agent is selected from one or more in methylene dichloride, iso-pentane, Skellysolve A, pentamethylene or the normal butane.
Described solidifying agent is one or more in Phenylsulfonic acid or the phosphoric acid.
Described tensio-active agent is selected from one or more in tween 20, Tween-40, Tween-60, tween-80 or the Octylphenol polyoxyethylene ether (OP-10).
Described toughner is selected from one or more in Liquid Macrogol, poly(oxyethylene glycol) 400, Polyethylene Glycol-600, polyoxyethylene glycol 800, hexanodioic acid, suberic acid, dodecanedioic acid or the base polyurethane prepolymer for use as.
Described additive is selected from one or more in glass fibre, carbon fiber, sisal fibers, hollow glass micropearl, powdered carbon or the expansible black lead.
The length of described glass fibre, carbon fiber and sisal fibers is 2～5cm.
The particle diameter of described hollow glass micropearl is 50～1200 orders.
The present invention also provides a kind of preparation method of above-mentioned polymeric composite foam, and the method may further comprise the steps:
With 50～500 parts of polystyrene beads, 500～950 parts of terpolycyantoamino-formaldehyde resins, 0～200 part in tensio-active agent, 100～200 parts of whipping agents, 0～150 part of toughner and 0～200 part of stirring of additive, 4～6min, it is 30～40 ℃ that preheating 5～10min makes mixture temperature, then add 100～200 parts in solidifying agent and stir 1～2min, pour mixture in the mould after preheating foamed solidification 2～3h, obtain polymeric composite foam.
Mold preheating temperature after the described preheating is 110～130 ℃.
The density of described polymeric composite foam is 10～200kg/m
3
The present invention also provides the purposes of a kind of above-mentioned polymeric composite foam as insulcrete.
The preparation method of described insulcrete be with above-mentioned polymeric composite foam as central layer, adopt binding agent with panel and base plate be bonded in respectively the top of central layer and below.
Described panel and base plate adopt aluminium matter paint sheet, steel paint sheet or flame retardant plastics sheet material etc.
Described binding agent is aluminium matter binding agent or irony binding agent.
The present invention compares with prior art, has the following advantages and beneficial effect:
The polymer composite of the present invention preparation has following characteristic: compressive strength: flat to 〉=170KPa vertical 〉=130KPa; Flexural strength: laterally 〉=150KPa vertically 〉=150KPa; Thermal conductivity (GB 3399): 0.020～0.042W/mk; Burning grade (DIN 4102): B1, B2 level; Fire performance (GB/T 9978): 〉=50min; Sound absorption coefficient (GBJ 47): 〉=0.6 (sound wave of frequency 〉=1kHz).
The present invention compares with prior art, the target of existing investigation of materials is only in order to improve the flame retardant resistance of matrix material, and the present invention uses melamine foam material to improve the polystyrene bead foam, make composite foam material, not only so that the foam materials flame retardant resistance reach more than the B level, but also the sound-absorbing effect raising, so that sound absorption coefficient rises to more than 0.6.
Description of drawings
Fig. 1 is the insulcrete structural representation that polymeric composite foam of the present invention prepares.
Wherein: 1 is polymeric composite foam, and 2 is binding agent, and 3 is panel, and 4 is base plate.
Embodiment
The present invention is further illustrated below in conjunction with the accompanying drawing illustrated embodiment.
Terpolycyantoamino-formaldehyde resin used among the embodiment is available from Beijing Green Universe Chemical Co., Ltd..
Used polystyrene bead becomes to reach lagging material factory available from Weifang or the Nanjing friend really moulds industry company limited among the embodiment.
Base polyurethane prepolymer for use as used among the embodiment is available from triumphant urethane company limited of Zibo nation.
Embodiment 1
Be mixed directly 90 parts of 60 parts of 75% Phenylsulfonic acids and 85% phosphoric acid (liquid) for subsequent use.
In beaker with outside the above-mentioned deacidification pre-composition, other all the components is mixed together and stirs 5min, it is 30 ℃ that preheating 6min makes mixture temperature, then sour pre-composition is added, and with the manual vigorous stirring 1min of all mixtures, mixture is poured into foamed solidification 2h in the mould that is warmed up in advance 110 ℃, and the polymeric composite foam that makes is very light, and density only is 25kg/m
3, the foam percentage of open area still reaches more than 90%, can keep good sound-absorbing effect.Recording the matrix material foam according to GBJ 47-83 Code for measurement of sound absorbing coefficient in reverberation room is 0.62 to frequency greater than 1kHz sound wave sound absorption coefficient.Can the many equally distributed polystyrene foamed pearls of clear discovery from foam surface, its diameter is between 1～2mm.
The slit foam material is frangible unlike existing melamino-formaldehyde porous plastics, and with naked light this foam materials that burns, can not melt burning as polystyrene foamed material, is the B2 level according to the burning grade of DIN 4102 these foam materialss of test.According to GB/T9978 building slab fire testing method test, this foam materials fire endurance reaches 53.6min.
As shown in Figure 1, Fig. 1 is the insulcrete structural representation that polymeric composite foam of the present invention prepares.
Do central layer with polymeric composite foam 1, then use aluminium matter binding agent 2 (trade mark is TG104) to be stained with 1-5mm steel paint sheet respectively as panel 3 and base plate 4 at the central layer upper and lower surface, make ladle layer insulcrete, this insulcrete is not only high temperature resistant but also have a good soundproof effect.
Embodiment 2
Be mixed directly 90 parts of 60 parts of 75% Phenylsulfonic acids and 85% phosphoric acid (liquid) for subsequent use.
In beaker with outside the above-mentioned deacidification pre-composition, other all the components is mixed together and stirs 6min, it is 30 ℃ that preheating 7min makes mixture temperature, then sour pre-composition is added, and with the manual vigorous stirring 1min of all mixtures, mixture is poured into foamed solidification 2h in the mould that is warmed up in advance 110 ℃, and the polymeric composite foam density that makes is 127kg/m
3, the foam percentage of open area still reaches more than 90%, can keep good sound-absorbing effect.Recording the matrix material foam according to GBJ 47-83 Code for measurement of sound absorbing coefficient in reverberation room is 0.81 to frequency greater than 1kHz sound wave sound absorption coefficient.Can the many equally distributed polystyrene foamed pearls of clear discovery from foam surface, its diameter can clearly be seen at microscopically that short glass fiber is crisscross and be distributed in the middle of the three dimensional structure between 1～2mm.
The slit foam material is frangible unlike existing melamino-formaldehyde porous plastics, and with naked light this foam materials that burns, can not melt burning as polystyrene foamed material.Burning grade according to DIN 4102 these foam materialss of test is the B2 level, and according to GB/T9978 building slab fire testing method test, this foam materials fire endurance reaches 62.3min.
Manufacture central layer with polymeric composite foam, then use irony binding agent (trade mark is TG111) to be stained with 1-10mm flame retardant plastics sheet material in two surfaces up and down at central layer, make the polymer composite insulating plate, this insulcrete is not only high temperature resistant but also have a good soundproof effect.
Embodiment 3
Be mixed directly 90 parts of 60 parts of 75% Phenylsulfonic acids and 85% phosphoric acid (liquid) for subsequent use.
In beaker with outside the above-mentioned deacidification pre-composition, other all the components is mixed together and stirs 4min, it is 30 ℃ that preheating 5min makes mixture temperature, then sour pre-composition is added, and with the manual vigorous stirring 1min of all mixtures, mixture is poured into foamed solidification 2.5h in the mould that is warmed up in advance 110 ℃, and the polymeric composite foam density that makes is 10kg/m
3, the foam percentage of open area still reaches more than 90%, can keep good sound-absorbing effect.Recording the matrix material foam according to GBJ 47-83 Code for measurement of sound absorbing coefficient in reverberation room is 0.94 to frequency greater than 1kHz sound wave sound absorption coefficient.Can the many equally distributed polystyrene foamed pearls of clear discovery from foam surface, its diameter is between 1～2mm.
The slit foam material is frangible unlike existing melamino-formaldehyde porous plastics, and with naked light this foam materials that burns, can not melt burning as polystyrene foamed material.Burning grade according to DIN 4102 these foam materialss of test is the B1 level, and according to GB/T9978 building slab fire testing method test, this foam materials fire endurance reaches 56.9min.
Make central layer with polymeric composite foam, then use aluminium matter binding agent (trade mark is TG104) to be stained with 1-5mm aluminium matter paint sheet at the central layer upper and lower surface, make aluminium covering insulcrete, this insulcrete is not only high temperature resistant but also have a good soundproof effect.
50 parts of 50 parts of 75% Phenylsulfonic acids and 85% phosphoric acid (liquid) are mixed directly, for subsequent use as solidifying agent.
With 50 parts of polystyrene beads, 950 parts of terpolycyantoamino-formaldehyde resins, 150 parts of whipping agent methylene dichloride, 150 parts of toughner base polyurethane prepolymer for use as and 150 parts of stirrings of hollow glass micropearl 6min, it is 40 ℃ that preheating 10min makes mixture temperature, then add 100 parts in solidifying agent and stir 2min, pour mixture in the mould that is preheating to 130 ℃ foamed solidification 3h, obtain polymeric composite foam; Density is 129kg/m
3Recording the matrix material foam according to GBJ 47-83 Code for measurement of sound absorbing coefficient in reverberation room is 0.94 to frequency greater than 1kHz sound wave sound absorption coefficient.Can the many equally distributed polystyrene foamed pearls of clear discovery from foam surface, its diameter is between 1～2mm.Base polyurethane prepolymer for use as foams together with terpolycyantoamino-formaldehyde resin in foaming process, becomes the integral part of external phase, has improved the toughness of foam materials.
The slit foam material is frangible unlike existing melamino-formaldehyde porous plastics, and with naked light this foam materials that burns, can not melt burning as polystyrene foamed material.Burning grade according to DIN 4102 these foam materialss of test is the B1 level, and according to GB/T9978 building slab fire testing method test, this foam materials fire endurance reaches 53.0min.
Make central layer with polymeric composite foam, then use aluminium matter binding agent (trade mark is TG104) to be stained with 1-5mm aluminium matter paint sheet at the central layer upper and lower surface, make aluminium covering insulcrete, this insulcrete is not only high temperature resistant but also have a good soundproof effect.
Embodiment 5
100 parts of 100 parts of 75% Phenylsulfonic acids and 85% phosphoric acid (liquid) are mixed directly, for subsequent use as solidifying agent.
With 400 parts of polystyrene beads, 600 parts of terpolycyantoamino-formaldehyde resins, 200 parts of whipping agent iso-pentane, 30 parts on Surfactant OP-1020 part and carbon fiber, stir 6min, it is 35 ℃ that preheating 5min makes mixture temperature, then adds 200 parts in solidifying agent and stirs 2min, mixture is poured into foamed solidification 2.5h in the mould that is preheating to 120 ℃, obtain polymeric composite foam, density is 41kg/m
3
Recording the matrix material foam according to GBJ 47-83 Code for measurement of sound absorbing coefficient in reverberation room is 0.78 to frequency greater than 1kHz sound wave sound absorption coefficient.Can the many equally distributed polystyrene foamed pearls of clear discovery from foam surface, its diameter is between 1～2mm.
The slit foam material is frangible unlike existing melamino-formaldehyde porous plastics, and with naked light this foam materials that burns, can not melt burning as polystyrene foamed material.Burning grade according to DIN 4102 these foam materialss of test is the B2 level, and according to GB/T9978 building slab fire testing method test, this foam materials fire endurance reaches 51.3min.
Embodiment 6
With 500 parts of polystyrene beads, 950 parts of terpolycyantoamino-formaldehyde resins, 200 parts of whipping agent pentamethylene, 150 parts of stirrings of Tween-60 5min, it is 30 ℃ that preheating 5min makes mixture temperature, then add 200 parts in solidifying agent and stir 2min, mixture is poured into foamed solidification 2h in the mould that is preheating to 120 ℃, obtain polymeric composite foam, density is 62kg/m
3
Solidifying agent is that 100 parts of 100 parts of 75% Phenylsulfonic acids and 85% phosphoric acid (liquid) are mixed directly.
Recording the matrix material foam according to GBJ 47-83 Code for measurement of sound absorbing coefficient in reverberation room is 0.86 to frequency greater than 1kHz sound wave sound absorption coefficient.Can the many equally distributed polystyrene foamed pearls of clear discovery from foam surface, its diameter is between 1～2mm.
The slit foam material is frangible unlike existing melamino-formaldehyde porous plastics, and with naked light this foam materials that burns, can not melt burning as polystyrene foamed material.Burning grade according to DIN 4102 these foam materialss of test is the B1 level, and according to GB/T9978 building slab fire testing method test, this foam materials fire endurance reaches 61.9min.
Embodiment 7
Be 100 parts of 150 parts of 200 parts of sisal fiberss, the poly(oxyethylene glycol) 400 toughner of 2～5cm and Tween-40s with 400 parts of polystyrene beads, 800 parts of terpolycyantoamino-formaldehyde resins, 150 parts of whipping agent normal butanes, length, stir 4min, it is 30 ℃ that preheating 5min makes mixture temperature, then add 180 parts in solidifying agent and stir 2min, mixture is poured into foamed solidification 2.5h in the mould that is preheating to 120 ℃, obtain polymeric composite foam, density is 154kg/m
3
Solidifying agent is that 90 parts of 90 parts of 75% Phenylsulfonic acids and 85% phosphoric acid (liquid) are mixed directly.
Recording the matrix material foam according to GBJ 47-83 Code for measurement of sound absorbing coefficient in reverberation room is 0.80 to frequency greater than 1kHz sound wave sound absorption coefficient.Can the many equally distributed polystyrene foamed pearls of clear discovery from foam surface, its diameter is between 1～2mm.
The slit foam material is frangible unlike existing melamino-formaldehyde porous plastics, and with naked light this foam materials that burns, can not melt burning as polystyrene foamed material.Burning grade according to DIN 4102 these foam materialss of test is the B2 level, and according to GB/T9978 building slab fire testing method test, this foam materials fire endurance reaches 57.0min.
Embodiment 8
With 90 parts of 250 parts of polystyrene beads, 800 parts of terpolycyantoamino-formaldehyde resins, 180 parts of whipping agent Skellysolve As, 100 parts of additive powdered carbons, 150 parts of Polyethylene Glycol-600 toughner and tensio-active agent Tween-60s, stir 4min, it is 30 ℃ that preheating 5min makes mixture temperature, then add 120 parts in solidifying agent and stir 2min, mixture is poured into foamed solidification 2h in the mould that is preheating to 120 ℃, obtain polymeric composite foam, density is 113kg/m
3
Solidifying agent is that 100 parts of 20 parts of 75% Phenylsulfonic acids and 85% phosphoric acid (liquid) are mixed directly.
Recording the matrix material foam according to GBJ 47-83 Code for measurement of sound absorbing coefficient in reverberation room is 0.66 to frequency greater than 1kHz sound wave sound absorption coefficient.Can the many equally distributed polystyrene foamed pearls of clear discovery from foam surface, its diameter is between 1～2mm.
The slit foam material is frangible unlike existing melamino-formaldehyde porous plastics, and with naked light this foam materials that burns, can not melt burning as polystyrene foamed material.Burning grade according to DIN 4102 these foam materialss of test is the B1 level, and according to GB/T9978 building slab fire testing method test, this foam materials fire endurance reaches 68.6min.
Embodiment 9
Be 200 parts of 800 200 parts of purpose hollow glass micropearl grains, 150 parts of polyoxyethylene glycol 800 toughner and tween-80s with 350 parts of polystyrene beads, 650 parts of terpolycyantoamino-formaldehyde resins, 140 parts of whipping agent Skellysolve As, particle diameter, stir 6min, it is 30 ℃ that preheating 6min makes mixture temperature, then add 130 parts in solidifying agent and stir 2min, mixture is poured into foamed solidification 2h in the mould that is preheating to 120 ℃, obtain polymeric composite foam, density is 200kg/m
3
Solidifying agent is that 70 parts of 60 parts of 75% Phenylsulfonic acids and 85% phosphoric acid (liquid) are mixed directly.
Recording the matrix material foam according to GBJ 47-83 Code for measurement of sound absorbing coefficient in reverberation room is 0.62 to frequency greater than 1kHz sound wave sound absorption coefficient.Can the many equally distributed polystyrene foamed pearls of clear discovery from foam surface, its diameter and can also see that hard glass microballon is distributed in the middle of the space of foam between 1～2mm.
The slit foam material is frangible unlike existing melamino-formaldehyde porous plastics, and with naked light this foam materials that burns, can not melt burning as polystyrene foamed material.Burning grade according to DIN 4102 these foam materialss of test is the B1 level, and according to GB/T9978 building slab fire testing method test, this foam materials fire endurance reaches 71.0min.
Embodiment 10
With 80 parts of 450 parts of polystyrene beads, 850 parts of terpolycyantoamino-formaldehyde resins, 160 parts of whipping agent Skellysolve As, 90 parts of expansible black leads, 120 parts of hexanodioic acid toughner and tween 20s, stir 4min, it is 30 ℃ that preheating 5min makes mixture temperature, then add 170 parts in solidifying agent and stir 1min, mixture is poured into foamed solidification 3h in the mould that is preheating to 120 ℃, obtain polymeric composite foam, density is 98kg/m
3
Solidifying agent is that 100 parts of 70 parts of 75% Phenylsulfonic acids and 85% phosphoric acid (liquid) are mixed directly.
Recording the matrix material foam according to GBJ 47-83 Code for measurement of sound absorbing coefficient in reverberation room is 0.71 to frequency greater than 1kHz sound wave sound absorption coefficient.Can the many equally distributed polystyrene foamed pearls of clear discovery from foam surface, its diameter is between 1～2mm.Base polyurethane prepolymer for use as foams together with terpolycyantoamino-formaldehyde resin in foaming process, becomes the integral part of external phase, has improved the toughness of foam materials.
The slit foam material is frangible unlike existing melamino-formaldehyde porous plastics, and with naked light this foam materials that burns, can not melt burning as polystyrene foamed material.Burning grade according to DIN 4102 these foam materialss of test is the B2 level, and according to GB/T9978 building slab fire testing method test, this foam materials fire endurance reaches 58.2min.
Embodiment 11
With 150 parts of 400 parts of polystyrene beads, 800 parts of terpolycyantoamino-formaldehyde resins and whipping agent normal butanes, stir 4min, it is 30 ℃ that preheating 5min makes mixture temperature, then add 150 parts in solidifying agent and stir 2min, pour mixture in the mould that is preheating to 120 ℃ foamed solidification 2.5h, obtain polymeric composite foam.
Solidifying agent is that 90 parts of 60 parts of 75% Phenylsulfonic acids and 85% phosphoric acid (liquid) are mixed directly.
Embodiment 12
With 500 parts of polystyrene beads, 950 parts of terpolycyantoamino-formaldehyde resins, 150 parts, 200 parts tween 20s of whipping agent normal butane,, 200 parts of 150 parts of suberic acids and powdered carbons, stir 4min, it is 30 ℃ that preheating 5min makes mixture temperature, then add 150 parts in solidifying agent and stir 2min, pour mixture in the mould that is preheating to 120 ℃ foamed solidification 2.5h, obtain polymeric composite foam.
Solidifying agent is that 90 parts of 60 parts of 75% Phenylsulfonic acids and 85% phosphoric acid (liquid) are mixed directly.
Comparative Examples 1
Prepare foamable melamine foam material with following prescription
With outside the above-mentioned deacidification pre-composition, other all the components is mixed together 30 ℃ of also preheatings, then sour pre-composition is added, and with the manual vigorous stirring 1min of all mixtures, mixture is poured into foamed solidification in the mould that is warmed up in advance 110 ℃ in beaker.The density foam that makes is 9.4kg/m
3, the foam percentage of open area reaches more than 98%, can keep good sound-absorbing effect.
Recording the matrix material foam according to GBJ 47-83 Code for measurement of sound absorbing coefficient in reverberation room is 0.99 to frequency greater than 1kHz sound wave sound absorption coefficient.The slit foam material presents three holes dress crosslinking structures in the middle of the material, yet that this foam is easy to is cracked, is the B1 level according to the burning grade of DIN 4102 these foam materialss of test.According to GB/T9978 building slab fire testing method test, this foam materials fire endurance reaches 70.2min.
Comparative Examples 2
Present embodiment is for the preparation of common polystyrene foamed material
According to prescription, first water is joined in the reactor, drop into calcium phosphate, Sodium dodecylbenzene sulfonate, dibenzoyl peroxide, stir 10min, drop into vinylbenzene, 90-95 ℃ of intensification and control temperature of reaction kettle, constant temperature drops into Skellysolve A after 1 hour, closed reactor is warmed up to 110-114 ℃ of insulation 20min, is cooled to 30 ℃, opens reactor and takes out polystyrene bead, join foamable in the mould, at room temperature slaking 12h produces polystyrene foamed material.Recording the matrix material foam according to GBJ 47-83 Code for measurement of sound absorbing coefficient in reverberation room is 0.18 to frequency greater than 1kHz sound wave sound absorption coefficient.With naked light this foam materials that burns, find to drip after the inflammable and rapid fusing of material, illustrate that foam materials that this method produces is without any flame retardant effect.
Fire-retardant rank, sound absorption coefficient and the fire endurance of the foam materials of producing when the polystyrene bead that adds different ratios, as shown in Table 1 and Table 2.
Table 1
| Embodiment | 1 | 2 | 3 | 4 | 5 | 6 | Comparative Examples 1 | Comparative Examples 2 |
| Fire-retardant rank | B2 | B2 | B1 | B1 | B2 | B1 | B1 | Not fire-retardant |
| Sound absorption coefficient | 0.62 | 0.81 | 0.94 | 0.94 | 0.78 | 0.86 | 0.99 | 0.18 |
| Fire endurance | 53.6 | 62.3 | 56.9 | 53.0 | 51.3 | 61.9 | 70.2 | 53.6 |
Table 2
| Embodiment | 7 | 8 | 9 | 10 | Comparative Examples 1 | Comparative Examples 2 |
| Fire-retardant rank | B2 | B1 | B1 | B2 | B1 | Not fire-retardant |
| Sound absorption coefficient | 0.80 | 0.66 | 0.62 | 0.71 | 0.99 | 0.18 |
| Fire endurance | 57.0 | 68.6 | 71.0 | 58.2 | 70.2 | 53.6 |
Can find out from table 1 and table 2 and take polystyrene bead among the comparative example that it is not fire-retardant not add the melamine resin synthesising foam material, and sound absorption coefficient is very low; Along with the decline of polystyrene bead content, melamine resin content increases, and the composite foam material flame retardant resistance improves constantly, and reaches B2 level even B1 level; Sound absorption coefficient progressively promotes, and illustrates that sound-absorbing effect becomes better and better.The acoustically effective of pure melamine foam materials is best, and fire endurance is not the best, as by adding 200 parts of hollow glass micropearls the fire endurance of matrix material slightly being increased among the embodiment 9.Add different additives, different toughner, different curing system to flame retardant resistance, sound absorption coefficient, all to some extent impacts of fire endurance of composite foam material, but it is not obvious to fluctuate, visible present method can make the stable performance composite foam material.
The above-mentioned description to embodiment is can understand and apply the invention for ease of those skilled in the art.The person skilled in the art obviously can easily make various modifications to these embodiment, and needn't pass through performing creative labour being applied in the General Principle of this explanation among other embodiment.Therefore, the invention is not restricted to the embodiment here, those skilled in the art are according to announcement of the present invention, and not breaking away from the improvement that category of the present invention makes and revise all should be within protection scope of the present invention.
Claims (10)
1. polymeric composite foam, it is characterized in that: this material is made by the component that comprises following weight part:
50～500 parts of polystyrene beads,
500～950 parts of terpolycyantoamino-formaldehyde resins,
100～200 parts of whipping agents,
100～200 parts in solidifying agent,
0～200 part in tensio-active agent,
0～150 part of toughner,
0～200 part of additive.
2. polymeric composite foam according to claim 1, it is characterized in that: described whipping agent is selected from one or more in methylene dichloride, iso-pentane, Skellysolve A, pentamethylene or the normal butane; Described solidifying agent is one or more in Phenylsulfonic acid or the phosphoric acid.
3. polymeric composite foam according to claim 1, it is characterized in that: described tensio-active agent is selected from one or more in tween 20, Tween-40, Tween-60, tween-80 or the Octylphenol polyoxyethylene ether.
4. polymeric composite foam according to claim 1, it is characterized in that: described toughner is selected from one or more in Liquid Macrogol, poly(oxyethylene glycol) 400, Polyethylene Glycol-600, polyoxyethylene glycol 800, hexanodioic acid, suberic acid, dodecanedioic acid or the base polyurethane prepolymer for use as; Described additive is selected from one or more in glass fibre, carbon fiber, sisal fibers, hollow glass micropearl, powdered carbon or the expansible black lead.
5. polymeric composite foam according to claim 4, it is characterized in that: the length of described glass fibre, carbon fiber and sisal fibers is 2～5cm; The particle diameter of described hollow glass micropearl is 50～1200 orders.
6. the preparation method of the arbitrary described polymeric composite foam of claim 1 to 5, it is characterized in that: the method may further comprise the steps:
With 50～500 parts of polystyrene beads, 500～950 parts of terpolycyantoamino-formaldehyde resins, 0～200 part in tensio-active agent, 100～200 parts of whipping agents, 0～150 part of toughner and 0～200 part of stirring of additive, 4～6min, it is 30～40 ℃ that preheating 5～10min makes mixture temperature, then add 100～200 parts in solidifying agent and stir 1～2min, pour mixture in the mould after preheating foamed solidification 2～3h, obtain polymeric composite foam.
7. the preparation method of polymeric composite foam according to claim 6, it is characterized in that: the mold preheating temperature after the described preheating is 110～130 ℃; The density of described polymeric composite foam is 10～200kg/m
3
8. the arbitrary described polymeric composite foam of claim 1 to 5 is as the purposes of insulcrete.
9. purposes according to claim 8, it is characterized in that: the preparation method of described insulcrete be with polymeric composite foam (1) as central layer, adopt binding agent (2) with panel (3) and base plate (4) be bonded in respectively the top of central layer with below.
10. purposes according to claim 9 is characterized in that: described panel (3) and base plate (4) employing aluminium matter paint sheet, steel paint sheet or flame retardant plastics sheet material; Described binding agent (2) is aluminium matter binding agent or irony binding agent.
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| CN103711211A (en) * | 2013-12-02 | 2014-04-09 | 苏州市建筑科学研究院有限公司 | Modified melamine formaldehyde resin-based EPS flame retardant thermal insulating board and preparation method thereof |
| CN105385103A (en) * | 2015-12-10 | 2016-03-09 | 朱晓燕 | Light weight porous melamine resin type border-crossing capturing material and preparation method thereof |
| CN105636398A (en) * | 2014-10-26 | 2016-06-01 | 张红军 | Cooling system of flame-retardant and noise-reduction central control system |
| CN106633629A (en) * | 2016-12-29 | 2017-05-10 | 成都玉龙超聚新材料有限公司 | Hot press molded melamine foam prepared by hot press molding and preparation method thereof |
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| CN103711211A (en) * | 2013-12-02 | 2014-04-09 | 苏州市建筑科学研究院有限公司 | Modified melamine formaldehyde resin-based EPS flame retardant thermal insulating board and preparation method thereof |
| CN105636398A (en) * | 2014-10-26 | 2016-06-01 | 张红军 | Cooling system of flame-retardant and noise-reduction central control system |
| CN105385103A (en) * | 2015-12-10 | 2016-03-09 | 朱晓燕 | Light weight porous melamine resin type border-crossing capturing material and preparation method thereof |
| CN105385103B (en) * | 2015-12-10 | 2017-12-19 | 朱晓燕 | A kind of light porous melamine resin class is crossed the border capture material and its preparation technology |
| CN106674890A (en) * | 2016-12-05 | 2017-05-17 | 钦州市钦南区生产力促进中心 | Polymer foam material and preparation method thereof |
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| CN108948551A (en) * | 2017-05-27 | 2018-12-07 | 山东圣泉新材料股份有限公司 | A kind of modified polyphenyl plate, Preparation method and use |
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| CN107522962B (en) * | 2017-09-29 | 2018-08-28 | 安徽省隆达建材科技有限公司 | A kind of fire-retardant heat insulation plate and preparation method thereof |
| CN107936398A (en) * | 2017-12-02 | 2018-04-20 | 范运昌 | A kind of processing method of flame retardant polystyrene foam plate |
| CN107987307A (en) * | 2017-12-22 | 2018-05-04 | 河南金大地化工有限责任公司 | A kind of melamine resin foam production method |
| CN108912405A (en) * | 2018-04-25 | 2018-11-30 | 曾冬梅 | A kind of sound insulation antibacterial polystyrene plates and preparation method |
| CN109233126A (en) * | 2018-07-05 | 2019-01-18 | 何亚龙 | A kind of flame-retardant expanded plate of polystyrene and preparation method |
| CN109486045A (en) * | 2018-10-25 | 2019-03-19 | 浙江盛瑞环保科技有限公司 | A kind of foamed damping packing material and preparation method thereof |
| CN109659703A (en) * | 2018-11-27 | 2019-04-19 | 中国科学院金属研究所 | A kind of broadband electro-magnetic wave absorption Meta Materials merged based on foam medium sill with metal structure |
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