CN105235571A - Soundproof non-woven fabric wrapped regenerated foam hybrid sheet foot pad in vehicle and manufacturing method thereof - Google Patents
Soundproof non-woven fabric wrapped regenerated foam hybrid sheet foot pad in vehicle and manufacturing method thereof Download PDFInfo
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- CN105235571A CN105235571A CN201510609198.8A CN201510609198A CN105235571A CN 105235571 A CN105235571 A CN 105235571A CN 201510609198 A CN201510609198 A CN 201510609198A CN 105235571 A CN105235571 A CN 105235571A
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Abstract
The invention discloses a soundproof non-woven fabric wrapped regenerated foam hybrid sheet foot pad in a vehicle. The foot pad comprises a regenerated anti-flaming rubber and plastic foam sheet and an anti-flaming water-and-oil-repellent non-woven fabric. The anti-flaming water-and-oil-repellent non-woven fabric wraps out of the regenerated anti-flaming rubber and plastic foam sheet. The manufacturing method comprises: wrapping the anti-flaming water-and-oil-repellent non-woven fabric on the periphery of the regenerated anti-flaming rubber and plastic foam sheet; and heating cloth cover in a die to seal edges, and adhering sheet to the cloth cover, to complete manufacturing of the foot pad. Through the above method, the foot pad can recycle and reuse rubber and plastic foam to reduce environmental pollution and save resources and energy. The foot pad can reduce noise in a cab, and improves comfortableness for driving of a driver. The soundproof non-woven fabric wrapped regenerated foam hybrid sheet foot pad in a vehicle is harmless for people.
Description
Technical field
The present invention relates to automatic foot-mat field, particularly relate to foot pad of a kind of nonwoven fabrics coated regeneration foam mixing sheet material of automobile internal partition sound and preparation method thereof.
Background technology
China is the big country of Automobile manufacturing and consumption, and the rejection of car standard of China is repeatedly revised, " automobile forced Rejection standard regulation " that in May, 2013 is issued by board of trade, has done relevant defining to the Rejection standard of various self-propelled vehicle and the time limit.All in all, the year of rejection of car is limited to 10-15, this and external situation also basic simlarity.According to external mature market experience, annual abandoned car accounts for the level that automobile pollution is in 5-7%, and we press 3%-5%, the conservative estimation of 1.54 hundred million automobile pollutions in 2014, and we estimate that current annual rejection of car amount is 462-770 ten thousand.Abandoned car can obtain a large amount of renewable resource after disassembling, and comprises the rubber-plastic foamed goods etc. such as iron and steel (five large assemblies), non-metals (lead, copper, aluminium, tin), noble metal (platinum), expanded polyethylene foam (EPE), rubber and plastic (EVA, PEF, EPDM, CR etc.), XPE/IXPE and all belongs to recyclable materials; These rubber-plastics materials are difficult to degraded in a short time at realm of nature, arbitrarily abandon meeting influence ecological environment, as burned these rubber-plastics materials, and can pollutant atmosphere.
Current truck driver room is in order to vibration and noise reducing, and have employed mechanical spring and air spring vibration reduction technology, the ride comfort of automobile makes moderate progress, but the soundproof effect of driver's cab is poor, causes in automobile and has peculiar smell, and some vehicle tastes are unpleasant.Drive permanent after dizzy uncomfortable, affect driver and to drive a vehicle driving safety.
Summary of the invention
The technical matters that the present invention mainly solves is to provide one can reduce environmental pollution by its rubber and plastic foam of cycling and reutilization, economizes on resources and the energy; The noise in driver's cab can be reduced again, improve foot pad of the nonwoven fabrics coated regeneration foam mixing sheet material of the traveling comfort automobile internal partition sound that driver drives and preparation method thereof.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: the foot pad providing a kind of nonwoven fabrics coated regeneration foam mixing sheet material of automobile internal partition sound, comprise: the nonwoven fabrics regenerating fire-retardant rubber and plastic foam thin slice and fire-retardant water and oil repellant, the nonwoven fabrics of described fire-retardant water and oil repellant is coated on outside the fire-retardant rubber and plastic foam thin slice of regeneration.
In a preferred embodiment of the present invention, the nonwoven surface of described fire-retardant water and oil repellant is also provided with printed pattern.
The invention still further relates to a kind of preparation method of foot pad of nonwoven fabrics coated regeneration foam mixing sheet material of automobile internal partition sound, it is characterized in that, comprise the following steps:
1) nonwoven fabrics of the preparation fire-retardant rubber and plastic foam thin slice of regeneration and fire-retardant water and oil repellant;
2) nonwoven fabrics of fire-retardant water and oil repellant is coated on the fire-retardant rubber and plastic foam thin slice of regeneration peripheral;
3) in mould, heat cloth cover edge sealing and the bonding cloth cover of sheet material, namely complete the making of foot pad.
In a preferred embodiment of the present invention, regenerate fire-retardant rubber and plastic foam preparation of sections method and comprise:
1) the rubber-plastic foamed goods scrapped are reclaimed, carry out cleaning and processed;
2) the rubber-plastic foamed goods completing dehydration are ground into graininess, then carry out oven dry sterilization;
3) polythene PE thermal fusing powder and aluminium hydroxide flame-retardant pulvis are added in particle, make uniform particles attach powder;
4) particle and powder are carried out heat treatment, then be pressed into the thin slice of various thickness specification, thus the fire-retardant rubber and plastic foam thin slice of obtained regeneration.
In a preferred embodiment of the present invention, step 2) in, the temperature of drying sterilization is 70 DEG C-100 DEG C.
In a preferred embodiment of the present invention, the percentage by weight of the PE thermal fusing powder in step 3) is 5% ~ 10%, and the percentage by weight of aluminium hydroxide flame-retardant pulvis is 10%-30%.
In a preferred embodiment of the present invention, the rubber-plastic foamed goods scrapped be expanded polyethylene foam EPE, ethylene-vinyl acetate copolymer EVA rubber and plastic, polythene PE F rubber and plastic, Ethylene Propylene Terpolymer EPDM rubber and plastic, neoprene CR rubber and plastic, processes for chemically crosslinked polyethylene foaming material XPE/ IXPE foaming material IXPE one or more.
In a preferred embodiment of the present invention, the preparation method of the nonwoven fabrics of fire-retardant water and oil repellant comprises:
1) in PE or PP polyester granulate, durability organic fire-retardant is added in proportion, and meltblown polyester fiber;
2) carry out lapping, bonding one-tenth cloth tied by hot pressing fiber, the obtained nonwoven fabrics meeting automotive upholstery flame-retarding characteristic;
3) by this fire-retardant nonwoven fabrics at percentage by weight be 63%-67% finishing agent in pad;
4) dry, bake and bank up with earth after carry out rolling, the nonwoven fabrics of final obtained fire-retardant water and oil repellant.
In a preferred embodiment of the present invention, PE or PP polyester granulate: the ratio of durability organic fire-retardant is 0.8-1.2:0.1-0.3.。
In a preferred embodiment of the present invention, in step 5), drying keeps 2-5min under the environment of 100-120 DEG C, and curing is keep 1-3min under the environment of 160-180 DEG C.
The invention has the beneficial effects as follows: its rubber and plastic foam of one aspect of the present invention cycling and reutilization reduces environmental pollution, economizes on resources and the energy; The noise in driver's cab can be reduced on the other hand, improve the traveling comfort that driver drives, the foot pad of the nonwoven fabrics coated regeneration foam mixing sheet material of this automobile internal partition sound is harmless to people, meet the requirement of automotive upholstery, improve the traveling comfort that driver drives to greatest extent, the mood reduced because of influence of noise driver driving is tired of that grasping the train operation accident brought occurs, and improves travel safety.
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 briefly described, apparently, accompanying drawing in the following describes 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, wherein:
Fig. 1 is the structural representation of foot pad one preferred embodiment of the nonwoven fabrics coated regeneration foam mixing sheet material of automobile internal partition sound of the present invention.
Detailed description of the invention
Be clearly and completely described to the technical scheme in the embodiment of the present invention below, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
The present invention includes: a kind of foot pad of nonwoven fabrics coated regeneration foam mixing sheet material of automobile internal partition sound, as shown in Figure 1, comprise: the nonwoven fabrics 2 regenerating fire-retardant rubber and plastic foam thin slice 1 and fire-retardant water and oil repellant, the nonwoven fabrics 2 of described fire-retardant water and oil repellant is coated on the fire-retardant rubber and plastic foam thin slice of regeneration outer 1.
Nonwoven fabrics 2 surface of described fire-retardant water and oil repellant is also provided with printed pattern, and decorative pattern makes the outward appearance of foot pad more attractive in appearance.
The cloth cover edge sealing of nonwoven fabrics and between nonwoven fabric sheet and nonwoven fabric sheet by being bonded to one after heating.
This foot pad can according to the requirement manufacture of customer requirement and application scenario, and its shape and structure, Footpad thickness and area are not limit.
Embodiment 1: the preparation method of the foot pad of the nonwoven fabrics coated regeneration foam mixing sheet material of automobile internal partition sound, comprises the following steps:
1) nonwoven fabrics 2 of the preparation fire-retardant rubber and plastic foam thin slice 1 of regeneration and fire-retardant water and oil repellant;
2) nonwoven fabrics 2 of fire-retardant water and oil repellant is coated on the fire-retardant rubber and plastic foam thin slice 1 of regeneration peripheral;
3) in mould, heat cloth cover edge sealing and the bonding cloth cover of sheet material, bonding foot pad is packed, namely completes the making of foot pad.
Wherein, the preparation method regenerating fire-retardant rubber and plastic foam thin slice 1 comprises:
1) the rubber-plastic foamed goods scrapped are reclaimed, carry out cleaning and processed; The rubber-plastic foamed goods scrapped be expanded polyethylene foam EPE, ethylene-vinyl acetate copolymer EVA rubber and plastic, polythene PE F rubber and plastic, Ethylene Propylene Terpolymer EPDM rubber and plastic, neoprene CR rubber and plastic, processes for chemically crosslinked polyethylene foaming material XPE/ IXPE foaming material IXPE one or more.
2) the rubber-plastic foamed goods completing dehydration are ground into graininess, then carry out oven dry sterilization; The temperature of drying sterilization is 70 DEG C.
3) percentage by weight be 5% polythene PE thermal fusing powder and percentage by weight be that 10% aluminium hydroxide flame-retardant pulvis adds in particle, make uniform particles attach powder.
4) particle and powder are carried out heat treatment, then be pressed into the thin slice of various thickness specification, thus the fire-retardant rubber and plastic foam thin slice of obtained regeneration.Wherein, PE thermal fusing powder is integral for the rubber-plastic foamed particles stick pulverized, and aluminium hydroxide pulvis plays fire-retardant effect.
Wherein, the preparation method of the nonwoven fabrics 2 of fire-retardant water and oil repellant comprises:
1) in PE polyester granulate, durability organic fire-retardant is added in proportion, PE polyester granulate: the ratio of durability organic fire-retardant is 0.8:0.1; And meltblown polyester fiber;
2) carry out lapping, bonding one-tenth cloth tied by hot pressing fiber, the obtained nonwoven fabrics meeting automotive upholstery flame-retarding characteristic;
3) by this fire-retardant nonwoven fabrics at percentage by weight be 63% finishing agent in pad;
4) under the environment of 100 DEG C, keep 2min to carry out drying, under the environment of 160 DEG C, keep 1min to bake and bank up with earth again after carry out rolling, the nonwoven fabrics of final obtained fire-retardant water and oil repellant.
Embodiment 2: the preparation method of the foot pad of the nonwoven fabrics coated regeneration foam mixing sheet material of automobile internal partition sound, comprises the following steps:
1) nonwoven fabrics 2 of the preparation fire-retardant rubber and plastic foam thin slice 1 of regeneration and fire-retardant water and oil repellant;
2) nonwoven fabrics 2 of fire-retardant water and oil repellant is coated on the fire-retardant rubber and plastic foam thin slice 1 of regeneration peripheral;
3) in mould, heat cloth cover edge sealing and the bonding cloth cover of sheet material, bonding foot pad is packed, namely completes the making of foot pad.
Wherein, the preparation method regenerating fire-retardant rubber and plastic foam thin slice 1 comprises:
1) the rubber-plastic foamed goods scrapped are reclaimed, carry out cleaning and processed; The rubber-plastic foamed goods scrapped be expanded polyethylene foam EPE, ethylene-vinyl acetate copolymer EVA rubber and plastic, polythene PE F rubber and plastic, Ethylene Propylene Terpolymer EPDM rubber and plastic, neoprene CR rubber and plastic, processes for chemically crosslinked polyethylene foaming material XPE/ IXPE foaming material IXPE one or more.
2) the rubber-plastic foamed goods completing dehydration are ground into graininess, then carry out oven dry sterilization; The temperature of drying sterilization is 85 DEG C.
3) percentage by weight be 7.5% polythene PE thermal fusing powder and percentage by weight be that 20% aluminium hydroxide flame-retardant pulvis adds in particle, make uniform particles attach powder.
4) particle and powder are carried out heat treatment, then be pressed into the thin slice of various thickness specification, thus the fire-retardant rubber and plastic foam thin slice of obtained regeneration.Wherein, PE thermal fusing powder is integral for the rubber-plastic foamed particles stick pulverized, and aluminium hydroxide pulvis plays fire-retardant effect.
Wherein, the preparation method of the nonwoven fabrics 2 of fire-retardant water and oil repellant comprises:
1) in PP polyester granulate, durability organic fire-retardant is added in proportion, PP polyester granulate: the ratio of durability organic fire-retardant is 1:0.2; And meltblown polyester fiber;
2) carry out lapping, bonding one-tenth cloth tied by hot pressing fiber, the obtained nonwoven fabrics meeting automotive upholstery flame-retarding characteristic;
3) by this fire-retardant nonwoven fabrics at percentage by weight be 65% finishing agent in pad;
4) under the environment of 110 DEG C, keep 3.5min to carry out drying, under the environment of 170 DEG C, keep 2min to bake and bank up with earth again after carry out rolling, the nonwoven fabrics of final obtained fire-retardant water and oil repellant.
Embodiment 3: the preparation method of the foot pad of the nonwoven fabrics coated regeneration foam mixing sheet material of automobile internal partition sound, comprises the following steps:
1) nonwoven fabrics 2 of the preparation fire-retardant rubber and plastic foam thin slice 1 of regeneration and fire-retardant water and oil repellant;
2) nonwoven fabrics 2 of fire-retardant water and oil repellant is coated on the fire-retardant rubber and plastic foam thin slice 1 of regeneration peripheral;
3) in mould, heat cloth cover edge sealing and the bonding cloth cover of sheet material, bonding foot pad is packed, namely completes the making of foot pad.
Wherein, the preparation method regenerating fire-retardant rubber and plastic foam thin slice 1 comprises:
1) the rubber-plastic foamed goods scrapped are reclaimed, carry out cleaning and processed; The rubber-plastic foamed goods scrapped be expanded polyethylene foam EPE, ethylene-vinyl acetate copolymer EVA rubber and plastic, polythene PE F rubber and plastic, Ethylene Propylene Terpolymer EPDM rubber and plastic, neoprene CR rubber and plastic, processes for chemically crosslinked polyethylene foaming material XPE/ IXPE foaming material IXPE one or more.
2) the rubber-plastic foamed goods completing dehydration are ground into graininess, then carry out oven dry sterilization; The temperature of drying sterilization is 100 DEG C.
3) percentage by weight be 10% polythene PE thermal fusing powder and percentage by weight be that 30% aluminium hydroxide flame-retardant pulvis adds in particle, make uniform particles attach powder.
4) particle and powder are carried out heat treatment, then be pressed into the thin slice of various thickness specification, thus the fire-retardant rubber and plastic foam thin slice of obtained regeneration.Wherein, PE thermal fusing powder is integral for the rubber-plastic foamed particles stick pulverized, and aluminium hydroxide pulvis plays fire-retardant effect.
Wherein, the preparation method of the nonwoven fabrics 2 of fire-retardant water and oil repellant comprises:
1) in PE polyester granulate, durability organic fire-retardant is added in proportion, PE polyester granulate: the ratio of durability organic fire-retardant is 1.2:0.3; And meltblown polyester fiber;
2) carry out lapping, bonding one-tenth cloth tied by hot pressing fiber, the obtained nonwoven fabrics meeting automotive upholstery flame-retarding characteristic;
3) by this fire-retardant nonwoven fabrics at percentage by weight be 67% finishing agent in pad;
4) under the environment of 120 DEG C, keep 5min to carry out drying, under the environment of 180 DEG C, keep 3min to bake and bank up with earth again after carry out rolling, the nonwoven fabrics of final obtained fire-retardant water and oil repellant.
The expanded polyethylene foam (EPE) mentioned in above-described embodiment, rubber and plastic (EVA, PEF, EPDM, CR etc.), the rubber-plastic foamed goods such as XPE/IXPE are the materials of the interior trimming parts of abandoned car, be difficult to degrade in a short time, for avoiding environmental pollution, the rubber-plastic foamed goods reclaimed after utilizing rejection of car, comparatively granule is ground into by after its cleaning and dewatering, after hyperthermia drying sterilization, be uniformly mixed with the fire retardant ratio of PE thermal fusing powder and aluminium hydroxide, above-mentioned mixture is hot pressed into regeneration rubber-plastic foam thin slice, the coated combination of nonwoven fabrics of this regeneration rubber-plastic foam thin slice and fire-retardant water and oil repellant, produce " foot pad of the nonwoven fabrics coated regeneration foam mixing sheet material of automobile internal partition sound ", this technical field is the cycling and reutilization technology of High molecular material, " foot pad of the nonwoven fabrics coated regeneration foam mixing sheet material of automobile internal partition sound " is lightweight and closely knit due to it, good springiness, fire-retardant, sound insulation value is effective, there is damping vibration attenuation good, environment-protective no-smell can be used in automotive upholstery in a large number, the effect playing sound insulation vibration damping and reduce costs.
The nonwoven fabrics of fire-retardant water and oil repellant is a kind of harmless environment-friendly materials after treatment, be applied in the indoor and automobile aspect of truck driver and there will not be flavoursome unpleasant peculiar smell in automobile, drive permanent rear dizzy uncomfortable, affect driver to drive a vehicle the problems such as driving safety, ensure that health and travel safety.
The fire retardant mechanism of aluminium hydroxide: the poly-mer being mixed with Al (OH) 3, when temperature rises to 250 ~ 300 DEG C, Al (OH) 3 just absorbs heat and discharges steam in a large number, poly-mer temperature rise speed is slowed down, degrades and slow down.The simultaneously steam that discharges of Al (OH) 3 decomposes, has rushed imflammable gas rare, and slow down burning velecity.In addition, aluminium hydroxide dehydration, absorbing and cooling temperature, make poly-mer can not Thorough combustion, forms charing protective film, both stopped entering of oxygen, and also blocked the effusion of imflammable gas on surface.This carbonization process avoids the formation of cigarette ash, and therefore aluminium hydroxide fire retardant not only has good anti-flaming function, also has good to press down hood.Aluminium hydroxide fire retardant is applied: aluminium hydroxide fire retardant, is widely used in latex product, crosslinked polyethylene insulation material, in the polyester of glass strengthening tree and PVC product.This fire retardant is mineral compound, nontoxic, does not produce secondary pollution.
The regeneration rubber-plastic foam mixing compacting sheet material of automobile internal damping shock-absorption sound-insulation of the present invention, suppress closely knit and in foam closed pore to continue to retain, deal is light and energy-conservation, simultaneously engine compartment and other noise are eliminated by significantly sound insulation, reduce the noise decibel value in car, each frequency noise all can not reduce by 5 ~ 8dB not etc.
The regeneration rubber-plastic foam mixing compacting sheet material of this automobile internal damping shock-absorption sound-insulation is provided with the effect of damping vibration attenuation, reduces automobile and to advance or driver's cab vibrates the noise imported into.The mood also reducing noise effect driver driving is tired of that grasping the train operation accident brought occurs, and improves the object of safe driving.
Adopt pulverize graininess foam surface all have aluminium hydroxide fire retardant and nonwoven fabrics fire-retardant, foot pad meets the combustion characteristic of automotive upholstery.
The regeneration rubber-plastic foam mixing compacting sheet material of this automobile internal damping shock-absorption sound-insulation has good adiathermancy, its trickle separated foam structure, effectively reduces the energy exchange that circulating air causes, is applicable to making covered pipe, warming plate.And have anti-condensation concurrently, make it the warm material that pole is suitable for many wet environments such as refrigerator, air-conditioning and freezer.
The regeneration rubber-plastic foam mixing compacting sheet material of this automobile internal damping shock-absorption sound-insulation has good resiliency, the fields such as its semi-rigid foaming body, does not lose reducing property by after thump, also can be used for precision instrument, quartz conductor, the packaging such as electronic product.
The regeneration rubber-plastic foam mixing compacting sheet material of this automobile internal damping shock-absorption sound-insulation has good sound absorption properties, has absorbing sound and lowering noise function, is suitable for the sound-absorbing body insulation in the strong noise equipment such as automobile, electrical motor and environment.
The regeneration rubber-plastic foam mixing compacting sheet material of this automobile internal damping shock-absorption sound-insulation has good forming characteristics, (XPE/IXPE) resistance to effect of heat is strong, ductility is good, even density, shaping compared with position, deep such as vacuum forming and Heat forming can be realized, thus can be used for air conditioning for automobiles evaporation cabinet, material that tide of motorism bears down on one the interior trimming partss such as canopy and footwear material aspect.Also there is the performance of nontoxic, tasteless, resistance to chemical reagents, oil resistant, acidproof, resistance to halogen and other kinds pharmaceutical chemicals, and be very easy to processing, can cut arbitrarily, fit with multiple material, the material as New-generation efficient energy-saving, environmental protection has vast potential for future development.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. the foot pad of the nonwoven fabrics of an automobile internal partition sound coated regeneration foam mixing sheet material, it is characterized in that, comprise: the nonwoven fabrics regenerating fire-retardant rubber and plastic foam thin slice and fire-retardant water and oil repellant, the nonwoven fabrics of described fire-retardant water and oil repellant is coated on outside the fire-retardant rubber and plastic foam thin slice of regeneration.
2. the foot pad of the nonwoven fabrics coated regeneration foam mixing sheet material of automobile internal partition sound according to claim 1, it is characterized in that, the nonwoven surface of described fire-retardant water and oil repellant is also provided with printed pattern.
3. the preparation method of the foot pad of the nonwoven fabrics coated regeneration foam mixing sheet material of automobile internal partition sound according to claim 1, is characterized in that, comprise the following steps:
1) nonwoven fabrics of the preparation fire-retardant rubber and plastic foam thin slice of regeneration and fire-retardant water and oil repellant;
2) nonwoven fabrics of fire-retardant water and oil repellant is coated on the fire-retardant rubber and plastic foam thin slice of regeneration peripheral;
3) in mould, heat cloth cover edge sealing and the bonding cloth cover of sheet material, namely complete the making of foot pad.
4. the preparation method of the foot pad of the nonwoven fabrics coated regeneration foam mixing sheet material of automobile internal partition sound according to claim 3, is characterized in that, regenerates fire-retardant rubber and plastic foam preparation of sections method and comprises:
The rubber-plastic foamed goods scrapped are reclaimed, carries out cleaning and processed;
The rubber-plastic foamed goods completing dehydration are ground into graininess, then carry out oven dry sterilization;
Polythene PE thermal fusing powder and aluminium hydroxide flame-retardant pulvis are added in particle, makes uniform particles attach powder;
Particle and powder are carried out heat treatment, then is pressed into the thin slice of various thickness specification, thus the fire-retardant rubber and plastic foam thin slice of obtained regeneration.
5. the preparation method of the foot pad of the nonwoven fabrics coated regeneration foam mixing sheet material of automobile internal partition sound according to claim 4, is characterized in that, step 2) in, the temperature of drying sterilization is 70 DEG C-100 DEG C.
6. the preparation method of the foot pad of the nonwoven fabrics coated regeneration foam mixing sheet material of automobile internal partition sound according to claim 4, it is characterized in that, the percentage by weight of the PE thermal fusing powder in step 3) is 5% ~ 10%, and the percentage by weight of aluminium hydroxide flame-retardant pulvis is 10%-30%.
7. the preparation method of the foot pad of the nonwoven fabrics coated regeneration foam mixing sheet material of automobile internal partition sound according to claim 4, it is characterized in that, the rubber-plastic foamed goods scrapped be expanded polyethylene foam EPE, ethylene-vinyl acetate copolymer EVA rubber and plastic, polythene PE F rubber and plastic, Ethylene Propylene Terpolymer EPDM rubber and plastic, neoprene CR rubber and plastic, processes for chemically crosslinked polyethylene foaming material XPE/ IXPE foaming material IXPE one or more.
8. the preparation method of the foot pad of the nonwoven fabrics coated regeneration foam mixing sheet material of automobile internal partition sound according to claim 3, it is characterized in that, the preparation method of the nonwoven fabrics of fire-retardant water and oil repellant comprises:
1) in PE or PP polyester granulate, durability organic fire-retardant is added in proportion, and meltblown polyester fiber;
2) carry out lapping, bonding one-tenth cloth tied by hot pressing fiber, the obtained nonwoven fabrics meeting automotive upholstery flame-retarding characteristic;
3) by this fire-retardant nonwoven fabrics at percentage by weight be 63%-67% finishing agent in pad;
4) dry, bake and bank up with earth after carry out rolling, the nonwoven fabrics of final obtained fire-retardant water and oil repellant.
9. the preparation method of the foot pad of the nonwoven fabrics coated regeneration foam mixing sheet material of automobile internal partition sound according to claim 8, is characterized in that, PE or PP polyester granulate: the ratio of durability organic fire-retardant is 0.8-1.2:0.1-0.3.
10. the preparation method of the foot pad of the nonwoven fabrics coated regeneration foam mixing sheet material of automobile internal partition sound according to claim 8, it is characterized in that, in step 5), drying keeps 2-5min under the environment of 100-120 DEG C, and curing is keep 1-3min under the environment of 160-180 DEG C.
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| CN109720041A (en) * | 2019-02-15 | 2019-05-07 | 宁波志胜科技有限公司 | A kind of high fire-retardance material for car interior trim parts and its process units |
| CN111676592A (en) * | 2020-01-12 | 2020-09-18 | 广州市三泰汽车内饰材料有限公司 | Water-repellent sound-insulation flame-retardant composite non-woven fabric and preparation method thereof |
| CN113202198A (en) * | 2021-05-31 | 2021-08-03 | 李德良 | Novel rubber-plastic sound-proof felt and manufacturing process thereof |
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| CN113202198A (en) * | 2021-05-31 | 2021-08-03 | 李德良 | Novel rubber-plastic sound-proof felt and manufacturing process thereof |
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