CN204998051U - Polyester non -woven fabrics for vehicle lightweight with bonding damping layer - Google Patents
Polyester non -woven fabrics for vehicle lightweight with bonding damping layer Download PDFInfo
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- CN204998051U CN204998051U CN201520739316.2U CN201520739316U CN204998051U CN 204998051 U CN204998051 U CN 204998051U CN 201520739316 U CN201520739316 U CN 201520739316U CN 204998051 U CN204998051 U CN 204998051U
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Abstract
The utility model discloses a polyester non -woven fabrics for vehicle lightweight with bonding damping layer, it includes close bed, half close bed and fluffy layer in proper order to decrease progressively along non -woven fabrics layer thickness orientation density, close bed surface recombination has the damping glue film. In this way, the utility model discloses satisfy vehicle lightweight's new demand, promote car comfort index, enlarged interior the taking the space and reduced the noise in the car of car, damping glue on the polyester non -woven fabrics can reduce the low frequency noise that the vehicle produced because of the vibration when going fast, take the course of its own in damping material, promote the interior personnel's of automobile comfort level, the noise reduction is tired, and it is safer to drive a vehicle.
Description
Technical field
The utility model relates to non-woven fabrics field, particularly relates to a kind of automotive light weight technology polyester non-woven fabric with bonding damping layer.
Background technology
Automobile noise is divided into pass-by noise and internal car noise.Pass-by noise refers to the noise of automobile each several part noise radiation to the car external space, mainly contains engine noise, exhaust noise, tyre noise, brake oil and noise of driving system etc.Internal car noise refers to that the automobile each several part noise outside compartment imports the noise of structural vibration to radiation in compartment that part noise in car and automobile each several part vibration transfer path excite each parts of vehicle body by all means into, these noise sound waves are under the restriction of interior space acoustic characteristic, generate comparatively complicated reverberant field, thus form internal car noise.
The impact of car noise on health is many-sided.Function of noise, in the central nervous system of people, makes the corticocerebral excitement of people and suppresses dysequilibrium, causes conditioned reflex abnormal, cerebrovascular tension force is damaged.These physiological changes, can restore to the original state in early days, but the time one is of a specified duration, will cause the change on pathology, make that people produces headache, brain is swollen, tinnitus, have a sleepless night, be losing one's memory and the symptom such as general fatigue is unable.If pregnant woman takes the larger vehicle of noise for a long time, noise can by acting on central nervous system effects development of fetus.
Car noise not only increases the fatigue of driver and occupant, and affects the driving safety of automobile.On the other hand, noise also has serious harmful effect to digestive system, cardiovascular system, can cause indigestion, poor appetite, n and V, thus cause the incidence of disease of stomach trouble and gastric ulcer to improve, the incidence of disease of hypertension, artery sclerosis and coronary heart disease is significantly improved than normal condition.Noise also can cause harmful effect to the organs of vision.
The materials such as prior art adopts such as mineral wool, rock wool, sponge, polystyrene perlite, attempt to solve sound insulation problem.But although they can solve the sound insulation problem in our space, in our life, buried potential safety hazard, such as mineral wool, rock wool, it can cause pruitus, respiratory tract anaphylaxis.Easily absorb water during cleaning, increase oil consumption, sponge etc. are inflammable products, and can produce toxic gas in combustion.A large amount of use pitch damping vibration attenuation backing plate in current automobile, soundproof effect is poor, causes in automobile and has peculiar smell, and some vehicle tastes are unpleasant.Dizzy uncomfortable after permanent, affect running driving safety.The acoustic absorptivity of acoustical cotton (being only fluffy cotton) is in the market very little, and on automobile, after application, noise reduction is general, can not meet the requirements at the higher level of automotive light weight technology and car comfort.
Utility model content
The technical problem that the utility model mainly solves is to provide a kind of new demand that can meet automotive light weight technology, expand taking space and reducing the noise in automobile in automobile, promote the comfort level of vapour occupant, reduce acoustic fatigue, the safer automotive light weight technology polyester non-woven fabric with bonding damping layer of driving a vehicle.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: provide a kind of automotive light weight technology polyester non-woven fabric with bonding damping layer, comprise: nonwoven layer and damping glue-line, successively decrease along nonwoven layer thickness direction density and comprise close bed, half close bed and loft layer successively, described close bed surface recombination has damping glue-line.
In the utility model preferred embodiment, described damping glue-line surface recombination has the release liners protective layer removed during use.
In the utility model preferred embodiment, close bed, be equipped with hot melt bisque between half close bed and each layer of loft layer, by hot melt bisque by 3-tier architecture fixed bonding.
The beneficial effects of the utility model are: the utility model meets the new demand of automotive light weight technology, promote car comfort index, expand taking space and reducing the noise in automobile in automobile; Damping glue on polyester non-woven fabric can reduce the low frequency noise that vehicle produces because of vibration when fast running, takes the course of its own in damping material; Promote the comfort level of vapour occupant, reduce acoustic fatigue, drive a vehicle safer.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, 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 the utility model with automotive light weight technology polyester non-woven fabric one preferred embodiment of bonding damping layer.
Detailed description of the invention
Be clearly and completely described to the technical scheme in the utility model embodiment below, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, the utility model embodiment comprises:
A kind of automotive light weight technology polyester non-woven fabric with bonding damping layer, comprise: nonwoven layer and damping glue-line 4, successively decrease along nonwoven layer thickness direction density and comprise close bed 1, half close bed 2 and loft layer 3 successively, described close bed 1 surface recombination has damping glue-line 4.
Described damping glue-line 4 surface recombination has the release liners protective layer 5 removed during use, and directly can glue note after removing release liners protective layer 5, automobile efficiency of construction is higher.
Hot melt bisque is equipped with, by hot melt bisque by 3-tier architecture fixed bonding between close bed 1, half close bed 2 and each layer of loft layer 3.
The damping glue of the utility model on polyester non-woven fabric can reduce the low frequency noise that vehicle produces because of vibration when fast running, takes the course of its own in damping material.
The utility model also relates to the preparation method of the automotive light weight technology polyester non-woven fabric with bonding damping layer, comprises the following steps:
1) non-woven fabrics of nonwoven layer is prepared;
2) touch at close bed 1, half close bed 2 of non-woven fabrics and the interlayer of loft layer 3 and spill thermal fusing powder, by the roll compacting of shaping press by three-decker strong bond;
3) damping glue of damping glue-line 4 is sprayed at close bed 1;
4) the release liners protective layer 5 that removes when the surface recombination of damping glue uses, through then completing the preparation of the automotive light weight technology polyester non-woven fabric with bonding damping layer after the assay was approved.
Wherein, the preparation method of non-woven fabrics comprises:
1) prepare fire-retardant polyester staple fiber and comprise polypropylene PP, polyethylene terephtalate or polythene PE fire retardant staple length fibers, and pre-shredding is carried out to short fiber, then carry out main shredding.
2) give carding machine feed by after shredding, staple card is become fleece by carding machine, and exports, the preferred double cylinder and double doffer carding machine of the utility model.
3) lapping machine carries out lapping, bonding by carrying out in drying room after short fiber lapping.
4) by pressure and the temperature level of the roll compacting of lapping bonding rear control fleece, the structure that stratum reticulare successively decreases at thickness direction formation close bed 1, half close bed 2 and loft layer 3 density is made, simultaneously hyperthermia drying sterilization.
5) and then carry out acupuncture, air-cooled, cut deburring, rolling, cut-out, after the assay was approved, namely make non-woven fabrics.
Damping glue selects RD-104 vibration and noise reducing damping glue, is a kind of off-white color thickness paste sapecial coating.The white solid that solid rear formation intensity is fabulous.This product selects prolonged water-fast macromolecule resin emulsion, adopts Particular craft to refine and forms, have excellent vibration damping, noise reduction, have adiabatic sealing characteristics concurrently, immediately can eliminate because of vibration, impact shake ripple and the noise that are formed.This product is nontoxic, tasteless, nothing harmful volatilization composition, non-corrosiveness, is typical environmental protection viscoelasticity high-tech type damping material.To the noise that the automobile, locomotive, boats and ships, aircraft, machinery etc. that run produce, there is stronger vibration damping inhibitory action.
Its vibration and noise reducing damping glue characteristics and advantages:
1, excellent damping and anti-acoustic capability.Through Tie Ke institute, authority detects: when 20 DEG C, recombination loss factor is 0.169 η C, reaches 0.191 η C when 10 DEG C, and its damping capacity is about 5 times of PVC, and the fissipation factor of iron and steel is 1*10-4.Reach the fissipation factor of effect same, pitch type damping material needs more than 3mm thickness.For automobile, owing to adopting spraying coating process, no matter be any labyrinth surface, be coated in metal structure surface, as the position such as chassis, top board, side plate of vehicle, the low frequency noise that vehicle produces because of vibration when fast running can be reduced.Take the course of its own in damping material.
2, this vibration and noise reducing damping glue has superpower shock resistance and pliability.50cm impacts, Ф 50mm/180 ° bending nothing cracking, nothing come off, without implicit damage.
3, remarkable corrosion resistance.Dry plate 10% aqueous sulfuric acid and 10% caustic-soda aqueous solution in soak 24h stable performance; 30d performance is soaked unchanged in the salt solution of 3%.
4, excellent resistance to water.Dry plate long-term immersion in running water is non-foaming, without obscission.
5, this vibration and noise reducing damping glue strong adhesion, does not burn, good environmental adaptability, long service life.Long-Time Service under high and low temperature environment, still can keep good damping.
6, as vehicle vibration damping noise reducing damping glue and motor-car vibration and noise reducing damping glue, nontoxic, tasteless, nothing harmful volatilization composition, non-corrosiveness are typical environmental type damping special materials.
Automotive light weight technology polyester non-woven fabric with bonding damping layer of the present utility model meets the new demand of automotive light weight technology, thus promote car comfort index (expanding taking space and reducing the noise in automobile in automobile): PE, the fire-retardant polyester staple fiber such as PET is through shredding, to carding machine feed (short fiber of shredding), carding machine output fiber becomes net, lapping, after short fiber lapping, drying room is bonding, by the bonding rear control fleece shaping press roll compacting pressure of lapping and temperature level (simultaneously hyperthermia drying sterilization), form stratum reticulare in thickness direction density by close bed, the polyester fiber non-woven fabric of the three-dimensional composition that half close bed and loft layer density are successively decreased, between this sheet layer, by spraying, appropriate LDPE thermal fusing powder pressing is bonding cries firmly, not easily layering, and there is the requirement meeting automotive upholstery flame-retarding characteristic.
Tight aspect with the automotive light weight technology polyester non-woven fabric of bonding damping layer is combined with vibration and noise reducing damping glue, damping glue covers and is convenient to transport and stores release liners protective layer, just the automotive light weight technology polyester non-woven fabric with bonding damping layer is produced through above-mentioned technical process, this polyester non-woven fabric is to low frequency, the noise such as intermediate frequency and high-frequency has outstanding sound-absorbing soundproof effect, automotive light weight technology polyester non-woven fabric with bonding damping layer is lightweight due to it, damped elasticity is good, fire-retardant, sound-absorbing sound insulation value is effective, environment-protective no-smell can be used in automotive upholstery in a large number, the effect playing sound insulation vibration damping and reduce costs, due to the automotive light weight technology polyester non-woven fabric thickness with bonding damping layer relative to general acoustical cotton comparatively speaking, thickness is thinning, grammes per square metre diminishes, the new demand of automotive light weight technology can be met, thus promote car comfort index, expand taking space and reducing the noise in automobile in automobile.
Sound-absorbing mainly will solve the reflection of sound and the noisy sense produced, and sound-absorbing material can the reflected energy of attenuate incident source of sound, thus reaches the attenuating to original sound source.Sound insulation mainly solves the transmission of sound and makes main body in space, feel noisy sense, and Sound-proof material material can the transmission potential of attenuate incident source of sound, thus reaches the rest state of principal space.Polyester non-woven fabric sound absorbing mechanism is that the close bed that density is larger can be reflected back a part of noise energy, part noise energy enters the hole that material internal has connection small in a large number, sound wave can go deep into material internal along these holes, cause the air molecule in material void to vibrate, with polyester fiber friction, acoustic energy is converted into heat energy, thus make polyester non-woven fabric can delete partial noise energy.And the damping glue on polyester non-woven fabric can reduce the low frequency noise that vehicle produces because of vibration when fast running, take the course of its own in damping material.
With the automotive light weight technology polyester non-woven fabric of bonding damping layer because it is lightweight, damped elasticity is good, fire-retardant, sound-absorbing sound insulation value is effective, environment-protective no-smell can be used in automotive upholstery in a large number, the effect playing sound insulation vibration damping and reduce costs, due to this polyester non-woven fabric thickness relative to general acoustical cotton comparatively speaking, thickness is thinning, and grammes per square metre diminishes, the new demand of automotive light weight technology can be met, expand taking space and reducing the noise in automobile in automobile.
Automotive light weight technology polyester non-woven fabric with bonding damping layer is especially suitable for the inside gadget aspect application such as automobile, truck and passenger vehicle, and shape and structure, thickness and area are not limit.
Thermal fusing powder also can substitute interlayer cling-materials with the non-woven fabrics of the little grammes per square metre of low melting point.
Automotive light weight technology polyester non-woven fabric with bonding damping layer of the present utility model is high-efficiency fiber absorptive product, and excellent sound absorbing has the attraction rate of different brackets, can meet the different demands of user; Non-woven fabrics internal structure consolidation is tight, and good flame retardation effect, meets DIN75200, VWTL1010 and UL94-V0 standard; Volatilization, atomization, smell and content of formaldehyde are lower than conventional limit value; Corrosion-resistant, humidity, the parts made by pure thermoplastic shape are not yielding.Non-woven fabrics polishes through single or double, without the need to adding a cover nonwoven sheet.
The utility model meets the new demand of automotive light weight technology, promotes car comfort index, expands taking space and reducing the noise in automobile in automobile; Damping glue on polyester non-woven fabric can reduce the low frequency noise that vehicle produces because of vibration when fast running, takes the course of its own in damping material; Promote the comfort level of vapour occupant, reduce acoustic fatigue, drive a vehicle safer.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model description 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 utility model.
Claims (3)
1. the automotive light weight technology polyester non-woven fabric with bonding damping layer, it is characterized in that, comprise: nonwoven layer and damping glue-line, successively decreasing along nonwoven layer thickness direction density comprises close bed, half close bed and loft layer successively, and described close bed surface recombination has damping glue-line.
2. the automotive light weight technology polyester non-woven fabric with bonding damping layer according to claim 1, is characterized in that, described damping glue-line surface recombination has the release liners protective layer removed during use.
3. the automotive light weight technology polyester non-woven fabric with bonding damping layer according to claim 1, is characterized in that, close bed, is equipped with hot melt bisque between half close bed and each layer of loft layer, by hot melt bisque by 3-tier architecture fixed bonding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520739316.2U CN204998051U (en) | 2015-09-23 | 2015-09-23 | Polyester non -woven fabrics for vehicle lightweight with bonding damping layer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520739316.2U CN204998051U (en) | 2015-09-23 | 2015-09-23 | Polyester non -woven fabrics for vehicle lightweight with bonding damping layer |
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| CN204998051U true CN204998051U (en) | 2016-01-27 |
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| CN201520739316.2U Active CN204998051U (en) | 2015-09-23 | 2015-09-23 | Polyester non -woven fabrics for vehicle lightweight with bonding damping layer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105252835A (en) * | 2015-09-23 | 2016-01-20 | 常州市泛亚汽车饰件有限公司 | Automobile lightweight polyester nonwoven fabric with bonding damping layer, and preparation method thereof |
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2015
- 2015-09-23 CN CN201520739316.2U patent/CN204998051U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105252835A (en) * | 2015-09-23 | 2016-01-20 | 常州市泛亚汽车饰件有限公司 | Automobile lightweight polyester nonwoven fabric with bonding damping layer, and preparation method thereof |
| WO2017050080A1 (en) * | 2015-09-23 | 2017-03-30 | 常州市泛亚汽车饰件有限公司 | Polyester nonwoven fabric for making automobiles lightweight and with having bonding damping layer and preparation method therefor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190103 Address after: 213165 28-8 Liban Road, Bangshang Village, Lijia Town, Wujin District, Changzhou City, Jiangsu Province Patentee after: JIANGSU PAN ASIAN MICROVENT TECHNOLOGY CO., LTD. Address before: 213000 Liban Road 28-8, Lijia Town, Wujin District, Changzhou City, Jiangsu Province Patentee before: Pan-Asian Automotive Garnishry (Changzhou) Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP02 | Change in the address of a patent holder |
Address after: 213000 No.8 Qiancao Road, Lijia Town, Wujin District, Changzhou City, Jiangsu Province Patentee after: JIANGSU PAN ASIAN MICROVENT TECHNOLOGY CO., LTD. Address before: 213165, No. 28-8, Sakamoto Road, Sakamoto village, Lijia Town, Wujin District, Jiangsu, Changzhou Patentee before: JIANGSU PAN ASIAN MICROVENT TECHNOLOGY CO., LTD. |
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| CP02 | Change in the address of a patent holder |