CN105034509A - Halogen-free flame-retardant sound-insulation composite material - Google Patents

Halogen-free flame-retardant sound-insulation composite material Download PDF

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CN105034509A
CN105034509A CN201510332662.3A CN201510332662A CN105034509A CN 105034509 A CN105034509 A CN 105034509A CN 201510332662 A CN201510332662 A CN 201510332662A CN 105034509 A CN105034509 A CN 105034509A
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halogen
flame
free flameproof
puigging
polymers
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CN105034509B (en
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颜渊巍
杨金
姜其斌
楚纯朋
胡钊
熊昌义
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Zhuzhou Times New Material Technology Co Ltd
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Zhuzhou Times New Material Technology Co Ltd
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Abstract

The invention discloses a halogen-free flame-retardant sound-insulation composite material. The halogen-free flame-retardant sound-insulation composite material provided by the invention is a multi-layer polymer composite material formed by alternately superosing polymer-matrix sound-insulation layers and polymer-matrix halogen-free flame-retardant layers. The halogen-free flame-retardant sound-insulation composite material is endowed with flame-retardant performance by virtue of the flame-retardant layers and endowed with sound-insulation performance by virtue of the sound insulation layers; not only can the overall sound insulation performance of the composite material be obviously improved, but also the HL-3 grade (R10) in the newest European Union flame-retardant standard EN45545-2 can be met.

Description

A kind of halogen-free flameproof acoustic dampening composite
Technical field
The present invention relates to a kind of composite, particularly a kind of halogen-free flameproof acoustic dampening composite.
Background technology
The control of high-speed rail transportation noise and vibration has become one of important content improving passenger comfort.Reduce the vibration & noise level of vehicle and become the very important problem of of high-speed rail transportation vehicle.For the vibration & noise of process train in high-speed cruising, need to use acoustic material to reduce noise ON TRAINS.
Except the comfortableness of train, the fire protection requirement of railway systems to material used for rail vehicle is more and more higher, and the American-European standard-required such as BS6853, DIN5510 track traffic material possesses good fire resistance.In March, 2016, European Union will to seek unity of action EN45545 fire-protection standard for track traffic material, and the material of this standard to rail traffic vehicles diverse location has different requirement (R1, R2, R3 ...), each requirement is divided into again Three Estate HL-1, HL-2 and HL-3.Wherein, acoustic material is mainly used in pavement, and the flame-retardancy requirements of EN45545 to pavement belongs to R10 (see table 1).
Table 1.
The parameter such as Thermal release, smoke density, thermal radiation flux, smoke toxicity of EN45545 standard to track timber for communication material has strict requirement, and the material that cannot meet this standard will be limited to use.Therefore, solve the fire-retardant of track traffic material and press down cigarette problem very urgent.But, prior art generally uses the PVC with good flame-retardance energy and low price as the base material of acoustic material or uses the polymer adding halogenated flame retardant as base material, but because PVC and halogenated flame retardant can produce a large amount of smog and the toxic gas based on HCl in combustion, be difficult to the smoke density by various flame-retardant standard and smoke toxicity test; Adding halogen-free flame retardants in the polymer can make material meet the requirement of smoke density and smoke toxicity, but for polymer/high-gravity filler sound insulation system, the existence of a large amount of high-gravity filler dilutes the content of fire retardant, be degrading the fire resistance of material, cause the situation that fire resistance and sound insulation value are difficult to take into account.
For this consideration, the present inventor is studied, object solves the problem that association area prior art comes out, and expects to provide that a kind of fire resistance is good, not halogen-containing, smoke density is little, smoke toxicity is little and the better halogen-free flameproof acoustic dampening composite of sound insulation value.
Summary of the invention
In view of above the deficiencies in the prior art, one of the object of the invention is to provide a kind of halogen-free flameproof acoustic dampening composite, it utilizes micro-nano multilayer technique that polymer-base flame-proof layer and Polymers puigging are replaced compound, while flame-retardant layer gives the fire resistance of composite and puigging gives the sound insulation value of composite, the sound insulation value of composites can not only be significantly improved, and the HL-3 grade (R10) of the up-to-date flame-retardant standard EN45545-2 of European Union can be met.
Another object of the present invention is to provide the application of described a kind of halogen-free flameproof acoustic dampening composite in high-speed rail transportation.
According to an aspect of the present invention, the invention provides a kind of halogen-free flameproof acoustic dampening composite, described halogen-free flameproof acoustic dampening composite is the multiple layer polymer composite through being superimposed by Polymers puigging and Polymers halogen-free flameproof layer.。
According to a specific embodiment of the present invention, the number of plies sum of described Polymers puigging and Polymers halogen-free flameproof layer is 2 (n+1)layer, wherein 2≤n≤10, preferably 3≤n≤6, and n is integer.The performance of the number of plies on the composite of the application has important impact, and reason may be that the structure of certain number of plies can improve the acoustic impedance ratio of interlayer, thus improves layered interface to the usable reflection of sound wave.But when the number of plies is too much, the performance of stratified material will decline again and trends towards the performance of common intermingling material.As a preferred version of the present invention, the number of plies sum of described Polymers puigging and Polymers halogen-free flameproof layer can be 16 layers, 32 layers, 64 layers, 128 layers or 256 layers.
According to a specific embodiment of the present invention, the thickness in monolayer of described Polymers puigging is 0.004 ~ 0.75mm, preferably 0.05 ~ 0.3mm.Inventor is surprised to find that after lot of experiments and creative work, can show the sound insulation value more excellent than common blended contrast sample when the thickness of Polymers puigging of the present invention is in above-mentioned scope, otherwise sound insulation value significantly will decline.
According to a specific embodiment of the present invention, the thickness in monolayer of described Polymers halogen-free flameproof layer is 0.004 ~ 0.25mm, preferably 0.05 ~ 0.3mm.Inventor is surprised to find that after lot of experiments and creative work, can show fire resistance the most excellent when the thickness of polymer-base flame-proof layer of the present invention is in above-mentioned scope; Otherwise fire resistance will decline.
According to a specific embodiment of the present invention, described Polymers puigging is (0.5 ~ 5) with the thickness in monolayer ratio of Polymers halogen-free flameproof layer: 1, preferably (1 ~ 2): 1.When Thickness Ratio is too high, material list reveals excellent sound insulation value, but does not reach desirable fire resistance; When thickness is too low, material list reveals excellent fire resistance, but is difficult to reach desirable sound insulation value, and therefore the present invention needs the Thickness Ratio of both strict controls.
According to a specific embodiment of the present invention, described Polymers puigging comprises puigging base material, high-gravity filler and flame-retardant plasticizer; Wherein, the addition of high-gravity filler is 300 ~ 600wt% of puigging base material, preferably 400 ~ 500wt%; The addition of flame-retardant plasticizer is 20 ~ 50wt% of puigging base material, is preferably 30 ~ 40wt%.
According to a specific embodiment of the present invention, described puigging base material is selected from least one in ethylene-vinyl acetate copolymer, SBS, ethylene-propylene-dicyclopentadiene terpolymers, thermoplastic polyurethane, butadiene-styrene rubber, acrylonitrile-butadiene rubber and butyl rubber, is preferably selected from ethylene-vinyl acetate copolymer, thermoplastic polyurethane and SBS.
According to a specific embodiment of the present invention, described high-gravity filler is selected from iron powder, barium sulfate, barium titanate, cerium oxide, lanthana or slag, is preferably selected from iron powder, barium sulfate and slag.In the present invention, the effect of described high-gravity filler is the surface density improving composite, thus promotes the sound insulation value of material.
According to a specific embodiment of the present invention, described flame-retardant plasticizer is selected from tricresyl phosphate, tricresyl phosphate diformazan phenyl ester, triphenyl phosphate, tricresyl phosphate (dimethylbenzene) ester, phosphoric acid hexichol isopropylbenzene ester, phosphoric acid hexichol 2-methyl-2-phenylpropane ester, diphenyl 2 ethylhexyl phosphate and the different certain herbaceous plants with big flowers ester of phosphoric acid hexichol; Be preferably selected from triphenyl phosphate, tricresyl phosphate diformazan phenyl ester and tricresyl phosphate (dimethylbenzene) ester.In the present invention, because puigging filler addition is large, hardness is large, and poor processability, the flame-retardant plasticizer in the present invention can improve its processing characteristics, can also improve the fire resistance of this layer in addition.
According to a specific embodiment of the present invention, described Polymers puigging comprises flame-retardant layer base material and halogen-free flame retardants; Wherein, halogen-free flame retardants addition is 40 ~ 200wt% of flame-retardant layer base material, preferably 60 ~ 120wt%.
According to a specific embodiment of the present invention, described halogen-free flame retardants is selected from hypo-aluminum orthophosphate, diethyl hypo-aluminum orthophosphate, melamine polyphosphate, melamine pyrophosphate, melamine cyanurate, red phosphorus, microcapsule coated red phosphorus, pentaerythrite, APP, aluminium hydroxide, magnesium hydroxide, triazines carbon forming agent, Firebrake ZB, CNT and imvite, is preferably selected from hypo-aluminum orthophosphate, aluminium hydroxide and APP.
According to a specific embodiment of the present invention, described flame-retardant layer base material is selected from ethylene-vinyl acetate copolymer (EVA), SBS (SBS), thermoplastic polyurethane (TPU), polyethylene (PE), polypropylene (PP), polyamide (PA), Merlon (PC) and polystyrene (PS), is preferably selected from ethylene-vinyl acetate copolymer (EVA), SBS (SBS) and thermoplastic polyurethane (TPU).
The present invention also provides a kind of halogen-free flameproof acoustic dampening composite, with weight parts, its by comprise Polymers puigging that the ethylene-vinyl acetate copolymer of 100 parts, the barium sulfate of 400 ~ 500 parts and 20 ~ 50 parts of tricresyl phosphate (dimethylbenzene) esters form and comprise the ethylene-vinyl acetate copolymer of 100 parts, polymer-base flame-proof layer that the APP of the triazines carbon forming agent of 20 ~ 60 parts and 80 ~ 200 parts forms through being superimposed 2 (n+1)one polymer composite, wherein 2≤n≤10, and n is integer.
According to a specific embodiment of the present invention, described halogen-free flameproof acoustic dampening composite can prepare by the following method: adopt the co-extruder be made up of two extruders, distributor, layer multiplier and outlet mold; First polymer-base flame-proof layer material and Polymers puigging material particles is prepared, then two kinds of materials are dropped in the two extruders of above-mentioned co-extrusion device respectively, after fusion plastification, make two strands of melts superimposed in distributor, through n layer multiplier cutting and superimposed after, flow out from outlet mold, then through the compacting of tri-roll press machine and the traction of hauling machine, obtain 2 (n+1)the halogen-free flameproof acoustic dampening composite that layer is superimposed by polymer-base flame-proof layer and Polymers puigging.
According to a specific embodiment of the present invention, adjusted the thickness in monolayer ratio of Polymers puigging and polymer-base flame-proof layer by the rotating ratio controlling two extruders.If the extruder rotating speed of flame-proof material is too fast, then polymer-base flame-proof layer thickness is in the composite thicker, and the fire resistance of material is better, but sound insulation value can decline to some extent.
According to a specific embodiment of the present invention, the note weight average sound transmission loss of described halogen-free flameproof sound insulation compound composite is not less than 26dB, and in 2000Hz centre frequency, place is not less than 30dB, and it can reach the HL-3 grade of European Union flame-retardant standard EN45545-2.
According to another aspect of the present invention, present invention also offers the described application of a kind of halogen-free flameproof acoustic dampening composite in high-speed rail transportation.When halogen-free flameproof sound insulation compound composite of the present invention is used for track traffic, it can meet the flame-retardancy requirements of the up-to-date flame-retardant standard EN45545 of European Union, there is excellent sound insulation value simultaneously, significantly reduce vehicle noise, give the environment by bus that passenger one is comfortable.
In the present invention, described " halogen " refers to fluorine, chlorine, bromine and iodine.
Compared with prior art, beneficial effect of the present invention has: (1) halogen-free flameproof provided by the present invention acoustic dampening composite possesses good fire resistance while possessing good sound insulation value, can meet the HL-3 grade (R10) of the up-to-date flame-retardant standard EN45545-2 of European Union; (2) Thickness Ratio and the number of plies of Polymers puigging and polymer-base flame-proof layer can be adjusted by the number of the rotating ratio box multiplier controlling two extruders, thus effectively control fire resistance and the sound insulation value of composite; (3) due to the equal wide material sources of all raw materials of halogen-free flameproof acoustic dampening composite provided by the invention, low price, is not only conducive to applying, also helps reduction production cost; (4) the preparation method technical maturity of halogen-free flameproof acoustic dampening composite provided by the present invention, is easy to control, and simple to operate.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is done and introduce simply, obviously, accompanying drawing in brief description is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 represents the structural representation of a kind of halogen-free flame-retardant composite material of the present invention.Wherein, X represents Polymers puigging, and Y represents polymer-base flame-proof layer.
Detailed description of the invention
Below in conjunction with embodiment, embodiment of the present invention are described in detail, but it will be understood to those of skill in the art that the following example only for illustration of the present invention, and should not be considered as limiting scope of the present invention.Unreceipted actual conditions person in embodiment, the condition of conveniently conditioned disjunction manufacturer suggestion is carried out.Agents useful for same or the unreceipted production firm person of instrument, being can by the conventional products of commercial acquisition.
Embodiment 1
(1) select 100 parts of ethylene-vinyl acetate copolymer particles as puigging base material, add 400 parts of iron powders and 20 parts of tricresyl phosphate diformazan phenyl esters, obtain Polymers puigging material particles through double screw extruder melt blending.
(2) select 100 parts of ethylene-vinyl acetate copolymer particles as flame-retardant layer base material, add 40 parts of pentaerythrites, 120 parts of APPs and 6 parts of imvites, obtain polymer-base flame-proof layer material particles through double screw extruder melt blending.
(3) above-mentioned two kinds of materials are dropped in the two extruders of microbedding co-extrusion device respectively, the rotating ratio of telomerized polymer base puigging and polymer-base flame-proof layer two extruders is 1:1, extruder each section of temperature is set to 160-180 DEG C, after fusion plastification, make two strands of melts superimposed in distributor, through 3 layer multipliers cutting and superimposed after, flow out from outlet mold, distributor, the temperature of layer multiplier and outlet mold is all arranged on about 170 DEG C, again through the compacting of tri-roll press machine and the traction of hauling machine, obtain the halogen-free flameproof acoustic dampening composite A be superimposed by polymer-base flame-proof layer and Polymers puigging of 16 layers, its partial properties characterization result refers to table 1.
In the halogen-free flameproof acoustic dampening composite A prepared by the present embodiment, the thickness in monolayer of Polymers puigging is 0.2mm; The thickness in monolayer of Polymers halogen-free flameproof layer is 0.2mm; Polymers puigging is 1:1 with the thickness in monolayer ratio of Polymers halogen-free flameproof layer.
Embodiment 2
(1) select 100 parts of thermoplastic polyurethanes as puigging base material, add 450 parts of barium sulfate and 40 portions of triphenyl phosphates, obtain Polymers puigging material particles through double screw extruder melt blending.
(2) select 100 parts of polyethylene as flame-retardant layer base material, add 30 parts of diethyl hypo-aluminum orthophosphates, 60 parts of melamine polyphosphates and 6 parts of Firebrake ZBs, obtain polymer-base flame-proof layer material particles through double screw extruder melt blending.
(3) above-mentioned two kinds of materials are dropped in the two extruders of microbedding co-extrusion device respectively, the rotating ratio regulating puigging and flame-retardant layer two extruders is 1.2:1, extruder each section of temperature is set to 170 ~ 190 DEG C, after fusion plastification, make two strands of melts superimposed in distributor, through 4 layer multipliers cutting and superimposed after, flow out from outlet mold, distributor, the temperature of layer multiplier and outlet mold is all arranged on about 180 DEG C, again through the compacting of tri-roll press machine and the traction of hauling machine, obtain the halogen-free flameproof acoustic dampening composite B be superimposed by polymer-base flame-proof layer and Polymers puigging of 32 layers, its partial properties characterization result refers to table 1.
In the halogen-free flameproof acoustic dampening composite B prepared by the present embodiment, the thickness in monolayer of Polymers puigging is 0.12mm; The thickness in monolayer of Polymers halogen-free flameproof layer is 0.1mm; Polymers puigging is 1.2:1 with the thickness in monolayer ratio of Polymers halogen-free flameproof layer.
Embodiment 3
(1) select 100 parts of SBSs as puigging base material, add 500 parts of lanthanas and 50 parts of tricresyl phosphate (dimethylbenzene) esters, obtain Polymers puigging material particles through double screw extruder melt blending.
(2) select 100 parts of polypropylene as flame-retardant layer base material, add 30 parts of triazine series carbon forming agent, 90 parts of APPs and 5 parts of CNTs, obtain polymer-base flame-proof layer material particles through double screw extruder melt blending.
(3) above-mentioned two kinds of materials are dropped in the two extruders of microbedding co-extrusion device respectively, the rotating ratio regulating puigging and flame-retardant layer two extruders is 1:1.1, extruder each section of temperature is set to 180-190 DEG C, after fusion plastification, make two strands of melts superimposed in distributor, through 5 layer multipliers cutting and superimposed after, flow out from outlet mold, distributor, the temperature of layer multiplier and outlet mold is all arranged on about 180 DEG C, again through the compacting of tri-roll press machine and the traction of hauling machine, obtain 64 layers by polymer-base flame-proof layer and Polymers puigging alternatively distributed halogen-free flameproof acoustic dampening composite C, its partial properties characterization result refers to table 2.
In the halogen-free flameproof acoustic dampening composite C prepared by the present embodiment, the thickness in monolayer of Polymers puigging is 0.055mm; The thickness in monolayer of Polymers halogen-free flameproof layer is 0.05mm; Polymers puigging is 1.1:1 with the thickness in monolayer ratio of Polymers halogen-free flameproof layer.
Embodiment 4
(1) select 100 parts of ethylene-vinyl acetate copolymers as puigging base material, add 450 parts of barium sulfate and 50 parts of tricresyl phosphate (dimethylbenzene) esters, obtain Polymers puigging material particles through double screw extruder melt blending.
(2) select 100 parts of ethylene-vinyl acetate copolymers as flame-retardant layer base material, add 40 parts of triazine series carbon forming agent, 120 parts of APPs and obtain polymer-base flame-proof layer material particles through double screw extruder melt blending.
(3) above-mentioned two kinds of materials are dropped in the two extruders of microbedding co-extrusion device respectively, the rotating ratio regulating puigging and flame-retardant layer two extruders is 1.3:1, extruder each section of temperature is set to 180-190 DEG C, after fusion plastification, make two strands of melts superimposed in distributor, through 3 layer multipliers cutting and superimposed after, flow out from outlet mold, distributor, the temperature of layer multiplier and outlet mold is all arranged on about 180 DEG C, again through the compacting of tri-roll press machine and the traction of hauling machine, obtain the halogen-free flameproof acoustic dampening composite D be superimposed by polymer-base flame-proof layer and Polymers puigging of 16 layers, its partial properties characterization result refers to table 1.
In the halogen-free flameproof acoustic dampening composite D prepared by the present embodiment, the thickness in monolayer of Polymers puigging is 0.26mm; The thickness in monolayer of Polymers halogen-free flameproof layer is 0.2mm; Polymers puigging is 1.3:1 with the thickness in monolayer ratio of Polymers halogen-free flameproof layer.
Comparative example 1
Gained halogen-free flameproof acoustic dampening composite A in embodiment 1 is mediated 10 minutes in 170 DEG C through kneader, obtain the common blended compound material E that layer structure is destroyed, and 160 DEG C, be molded into sheet contrast sample under the condition of 10MPa, its performance characterization is the results detailed in Table 1.
Comparative example 2
By gained halogen-free flameproof acoustic dampening composite B in embodiment 2 in 180 DEG C through mixer mixing 10 minutes, obtain the common blended compound material F that layer structure is destroyed, and 170 DEG C, be molded into sheet contrast sample under the condition of 10MPa, its performance characterization is the results detailed in Table 1.
Comparative example 3
By gained halogen-free flameproof acoustic dampening composite C in embodiment 3 in 180 DEG C through mixer mixing 10 minutes, obtain the common blended compound material G that layer structure is destroyed, and 170 DEG C, be molded into sheet contrast sample under the condition of 10MPa, its performance characterization is the results detailed in Table 1.
Comparative example 4
By gained halogen-free flameproof acoustic dampening composite D in embodiment 4 in 180 DEG C through mixer mixing 10 minutes, obtain the common blended compound material H that layer structure is destroyed, and 170 DEG C, be molded into sheet contrast sample under the condition of 10MPa, its performance characterization is the results detailed in Table 1.
Comparative example 5
(1) select 100 parts of ethylene-vinyl acetate copolymers as puigging base material, add 400 parts of iron powders and 20 parts of tricresyl phosphate diformazan phenyl esters, obtain Polymers puigging material particles through double screw extruder melt blending.
(2) select 100 parts of ethylene-vinyl acetate copolymers as flame-retardant layer base material, add 160 parts of TDEs (halogenated flame retardant), obtain polymer-base flame-proof layer material particles through double screw extruder melt blending.
(3) above-mentioned two kinds of materials are dropped in the two extruders of microbedding co-extrusion device respectively, the rotating ratio of telomerized polymer base puigging and polymer-base flame-proof layer two extruders is 1:1, extruder each section of temperature is set to 160-180 DEG C, after fusion plastification, make two strands of melts superimposed in distributor, through 3 layer multipliers cutting and superimposed after, flow out from outlet mold, distributor, the temperature of layer multiplier and outlet mold is all arranged on about 170 DEG C, again through the compacting of tri-roll press machine and the traction of hauling machine, obtain the halogen-free flameproof acoustic dampening composite K be superimposed by polymer-base flame-proof layer and Polymers puigging of 16 layers, its performance characterization is the results detailed in Table 1.
Comparative example 6
(1) select 100 parts of polyvinyl chloride as puigging base material, add 400 parts of slags and 20 parts of tricresyl phosphate diformazan phenyl esters, obtain Polymers puigging material particles through double screw extruder melt blending.
(2) select 100 parts of polyvinyl chloride as flame-retardant layer base material, add 120 parts of magnesium hydroxides, obtain polymer-base flame-proof layer material particles through double screw extruder melt blending.
(3) above-mentioned two kinds of materials are dropped in the two extruders of microbedding co-extrusion device respectively, the rotating ratio of telomerized polymer base puigging and polymer-base flame-proof layer two extruders is 2:1, extruder each section of temperature is set to 160-180 DEG C, after fusion plastification, make two strands of melts superimposed in distributor, through 4 layer multipliers cutting and superimposed after, flow out from outlet mold, distributor, the temperature of layer multiplier and outlet mold is all arranged on about 170 DEG C, again through the compacting of tri-roll press machine and the traction of hauling machine, obtain the halogen-free flameproof acoustic dampening composite L be superimposed by polymer-base flame-proof layer and Polymers puigging of 32 layers, its partial properties characterization result refers to table 1.
Table 2
In table 1, critical radiant flux when CHF represents that material extinguishes; Dsmax represents maximum smoke density; CITG represents smoke toxicity index.
Can find from the Data Comparison of embodiment 1 ~ 4 and comparative example 1 ~ 4, in fire resistance, minimumly in embodiment 1 ~ 4 can reach EN45545-2HL-2 grade, and all only can reach HL-1 grade in comparative example 1 ~ 4, the multilayer material that therefore prepared by the present invention shows more excellent fire resistance, smoke suppressing; The sound insulation value of the most pleasantly surprised is multilayer material compares ratio have been had and has significantly promoted.This illustrates the difficult problem that sandwich construction not only solves common blended compound material fire resistance and sound insulation value and is difficult to take into account, and significantly improves the sound insulation value of material.
From Data Comparison with comparative example 5 ~ 6 of embodiment 1 ~ 4, the fire resistance of multilayer material prepared by embodiment 1 ~ 4 is minimum can reach HL-2 grade, and material prepared by comparative example 5 ~ 6 is nonrated, the multilayer material that therefore prepared by the present invention shows more excellent fire resistance, smoke suppressing.This be owing to have employed the environment-friendly materials such as EVA in embodiment 1 ~ 4, fire retardant is halogen-free flame retardants, significantly reduce material cigarette growing amount in combustion and smoke toxicity, show good environment friendly.
In sum, the present invention utilizes micro-nano multilayer technique that polymer-base flame-proof layer and Polymers puigging are replaced compound, while flame-retardant layer gives the fire resistance of composite and puigging gives the sound insulation value of composite, the sound insulation value of composites can not only be significantly improved, and the HL-3 grade (R10) that can meet European Union up-to-date flame-retardant standard EN45545-2 therefore the present invention achieve unforeseeable technique effect.
It should be noted that above-described embodiment only for explaining the present invention, not forming any limitation of the invention.By referring to exemplary embodiments, invention has been described, but to should be understood to word wherein used be descriptive and explanatory vocabulary, instead of limited vocabulary.Can modify the present invention by the scope being defined in the claims in the present invention, and the present invention be revised not deviating from scope and spirit of the present invention.Although the present invention wherein described relates to specific method, material and embodiment, and do not mean that the present invention is limited to particular case disclosed in it, on the contrary, easily extensible of the present invention is to other all methods and applications with identical function.

Claims (13)

1. a halogen-free flameproof acoustic dampening composite, is characterized in that, described halogen-free flameproof acoustic dampening composite is the multiple layer polymer composite through being superimposed by Polymers puigging and Polymers halogen-free flameproof layer.
2. halogen-free flameproof acoustic dampening composite according to claim 1, is characterized in that, the number of plies sum of described Polymers puigging and Polymers halogen-free flameproof layer is 2 (n+1)layer, wherein 2≤n≤10, preferably 3≤n≤6, and n is integer.
3. halogen-free flameproof acoustic dampening composite according to claim 1 and 2, is characterized in that, the thickness in monolayer of described Polymers puigging is 0.004 ~ 0.75mm, preferably 0.05 ~ 0.3mm; The thickness in monolayer of described Polymers halogen-free flameproof layer is 0.004 ~ 0.25mm, preferably 0.05 ~ 0.3mm.
4. according to the halogen-free flameproof acoustic dampening composite in claims 1 to 3 described in any one, it is characterized in that, described Polymers puigging is (0.5 ~ 5) with the thickness in monolayer ratio of Polymers halogen-free flameproof layer: 1, preferably (1 ~ 2): 1.
5. according to the halogen-free flameproof acoustic dampening composite in Claims 1 to 4 described in any one, it is characterized in that, described Polymers puigging comprises puigging base material, high-gravity filler and flame-retardant plasticizer; Wherein, the addition of high-gravity filler is 300 ~ 600wt% of puigging base material, preferably 400 ~ 500wt%; The addition of flame-retardant plasticizer is 20 ~ 50wt% of puigging base material, is preferably 30 ~ 40wt%.
6. halogen-free flameproof acoustic dampening composite according to claim 5, it is characterized in that, described puigging base material is selected from least one in ethylene-vinyl acetate copolymer, SBS, ethylene-propylene-dicyclopentadiene terpolymers, thermoplastic polyurethane, butadiene-styrene rubber, acrylonitrile-butadiene rubber and butyl rubber, is preferably selected from ethylene-vinyl acetate copolymer, thermoplastic polyurethane and SBS.
7. the halogen-free flameproof acoustic dampening composite according to claim 5 or 6, it is characterized in that, described flame-retardant plasticizer is selected from tricresyl phosphate, tricresyl phosphate diformazan phenyl ester, triphenyl phosphate, tricresyl phosphate (dimethylbenzene) ester, phosphoric acid hexichol isopropylbenzene ester, phosphoric acid hexichol 2-methyl-2-phenylpropane ester, diphenyl 2 ethylhexyl phosphate and the different certain herbaceous plants with big flowers ester of phosphoric acid hexichol; Be preferably selected from triphenyl phosphate, tricresyl phosphate diformazan phenyl ester and tricresyl phosphate (dimethylbenzene) ester.
8. according to the halogen-free flameproof acoustic dampening composite in claim 1 ~ 7 described in any one, it is characterized in that, described Polymers puigging comprises flame-retardant layer base material and halogen-free flame retardants; Wherein, halogen-free flame retardants addition is 40 ~ 200wt% of flame-retardant layer base material, preferably 60 ~ 120wt%.
9. halogen-free flameproof acoustic dampening composite according to claim 8, it is characterized in that, described halogen-free flame retardants is selected from hypo-aluminum orthophosphate, diethyl hypo-aluminum orthophosphate, melamine polyphosphate, melamine pyrophosphate, melamine cyanurate, red phosphorus, microcapsule coated red phosphorus, pentaerythrite, APP, aluminium hydroxide, magnesium hydroxide, triazines carbon forming agent, Firebrake ZB, CNT and imvite, is preferably selected from hypo-aluminum orthophosphate, aluminium hydroxide and APP.
10. halogen-free flameproof acoustic dampening composite according to claim 8 or claim 9, it is characterized in that, described flame-retardant layer base material is selected from ethylene-vinyl acetate copolymer, SBS, thermoplastic polyurethane, polyethylene, polypropylene, polyamide, Merlon and polystyrene, is preferably selected from ethylene-vinyl acetate copolymer, SBS and thermoplastic polyurethane.
11. 1 kinds of halogen-free flameproof acoustic dampening composites, with weight parts, its by comprise Polymers puigging that the ethylene-vinyl acetate copolymer of 100 parts, the barium sulfate of 400 ~ 500 parts and 20 ~ 50 parts of tricresyl phosphate (dimethylbenzene) esters form and comprise the ethylene-vinyl acetate copolymer of 100 parts, polymer-base flame-proof layer that the APP of the triazines carbon forming agent of 20 ~ 60 parts and 80 ~ 200 parts forms through being superimposed 2 (n+1)one polymer composite, wherein 2≤n≤10, and n is integer.
12. according to the halogen-free flameproof acoustic dampening composite in claim 1 ~ 11 described in any one, it is characterized in that, the note weight average sound transmission loss of described composite is not less than 26dB, be not less than 30dB in the sound transmission loss at 2000Hz centre frequency place, and it reaches the HL-3 grade of European Union flame-retardant standard EN45545-2.
The application of halogen-free flameproof acoustic dampening composite in high-speed rail transportation in 13. claims 1 ~ 12 described in any one.
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CN105514443A (en) * 2015-12-15 2016-04-20 常熟市万隆电源技术研发有限公司 Lithium iron phosphate storage battery grid with high low temperature resistance
CN106009609A (en) * 2016-05-24 2016-10-12 浙江天台澳思科新材料有限公司 Flexible sound-insulation composite material and preparation method thereof
CN106009609B (en) * 2016-05-24 2018-12-25 秦耀东 A kind of flexibility sound insulation composite material and preparation method thereof
CN106633414A (en) * 2016-10-24 2017-05-10 广东顺德鲁华光电新材料实业有限公司 Polypropylene flame-resistant material and preparation method thereof
CN109551848A (en) * 2017-09-27 2019-04-02 湖南莱科新材料科技有限公司 A kind of Novel movable light sound-proof composite plate used for vehicle and preparation method thereof
CN109181087A (en) * 2018-08-24 2019-01-11 株洲时代新材料科技股份有限公司 A kind of rail traffic vibration damping, fire-retardant, acoustic dampening composite
CN109251403A (en) * 2018-08-24 2019-01-22 株洲时代新材料科技股份有限公司 A kind of rail traffic fire-retardant acoustic dampening composite and preparation method thereof
CN109251403B (en) * 2018-08-24 2021-04-23 株洲时代新材料科技股份有限公司 Flame-retardant sound-insulation composite material for rail transit and preparation method thereof
CN109555292A (en) * 2018-10-30 2019-04-02 常州浩瀚万康纳米材料有限公司 A kind of improvement floor crashing sound insulation cushion blocking and preparation method thereof
CN115368650A (en) * 2021-05-17 2022-11-22 天津市橡胶工业研究所有限公司 High-temperature-resistant and oil-resistant flexible rubber sound insulation material and preparation method thereof
CN114163701A (en) * 2021-12-29 2022-03-11 重庆纤维研究设计院股份有限公司 Halogen-free flame-retardant sound-insulation composite material

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