CN105235314A - High temperature-resistant polyester non-woven fabric used for lightweighting of automobile and preparation method thereof - Google Patents
High temperature-resistant polyester non-woven fabric used for lightweighting of automobile and preparation method thereof Download PDFInfo
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- CN105235314A CN105235314A CN201510609313.1A CN201510609313A CN105235314A CN 105235314 A CN105235314 A CN 105235314A CN 201510609313 A CN201510609313 A CN 201510609313A CN 105235314 A CN105235314 A CN 105235314A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
- B32B15/09—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising polyesters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/14—Layered products comprising a layer of metal next to a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1207—Heat-activated adhesive
- B32B2037/1215—Hot-melt adhesive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0276—Polyester fibres
Abstract
The invention discloses a high temperature-resistant polyester non-woven fabric used for lightweighting of an automobile. The high temperature-resistant polyester non-woven fabric comprises a polyester fiber lamella layer and an aluminum foil layer, wherein the density of the polyester fiber lamella layer successively decreases along the thickness direction of the lamella layer, the polyester fiber lamella layer successively comprises a compact layer, a semi-compact layer and a fluffy layer, and the aluminum foil layer is arranged on the surface of the compact layer. The preparation method comprises the following steps: preparing polyester fiber lamella of the polyester fiber lamella layer; sprinkling hot melt powder among the compact layer, the semi-compact layer and the fluffy layer and firmly bonding the three layers by using roll compacting technology; sprinkling the hot melt powder on the surface of the compact layer; and heating aluminum foil of the aluminum foil layer and then covering the surface of the compact layer with the aluminum foil layer. Thus, the prepared high temperature-resistant polyester non-woven fabric has light weight, good elasticity, flame retardation performance and good high temperature-resistant, heat-insulating, sound-absorbing and sound-insulating effects, is environment-friendly and odorless, can be extensively used for interior decorative parts of the automobile and exerts heat-insulating, sound-insulating, vibration-damping and noise-reducing effects; moreover, the polyester non-woven fabric is reduced in thickness and gram weight and can meet new requirements of lightweighting of the automobile, so the comfort index of the automobile can be improved.
Description
Technical field
The present invention relates to non-woven fabrics field, particularly relate to a kind of resistant to elevated temperatures automotive light weight technology polyester non-woven fabric and preparation method thereof.
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.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of new demand meeting automotive light weight technology, promote car comfort index, expand taking space and reducing the noise in automobile in automobile, reduce engine noise to resistant to elevated temperatures automotive light weight technology polyester non-woven fabric of the noise pollution of automotive interior and preparation method thereof.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide a kind of resistant to elevated temperatures automotive light weight technology polyester non-woven fabric, comprise: polyester fiber lamella and aluminium foil layer, successively decrease along polyester fiber lamella thickness direction density and comprise close bed, half close bed and loft layer successively, described aluminium foil layer is compound in close bed surface.
For solving the problems of the technologies described above, another technical solution used in the present invention is: the preparation method providing a kind of resistant to elevated temperatures automotive light weight technology polyester non-woven fabric,
1) the lamellose polyester fiber thin slice of polyester fiber is prepared;
2) touch at the interlayer of the close bed of polyester fiber thin slice, half close bed and loft layer and spill thermal fusing powder, by roll compacting technique by three-decker strong bond;
3) touch on close bed surface and spill thermal fusing powder;
4) close bed surface is overlying on after being heated by aluminium foil layer aluminium foil;
5) preparation of resistant to elevated temperatures automotive light weight technology polyester non-woven fabric after the assay was approved, is namely completed.
In a preferred embodiment of the present invention, the temperature of aluminium foil heating is 180 DEG C-230 DEG C.
In a preferred embodiment of the present invention, polyester fiber lamellose polyester fiber preparation of sections method comprises:
1) prepare fire-retardant polyester staple fiber, and shredding is carried out to short fiber;
2) staple card after shredding is become fleece;
3) lapping is carried out, 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, stratum reticulare is made to form at thickness direction the structure that close bed, half close bed and loft layer density successively decreases, simultaneously hyperthermia drying sterilization;
5) and then carry out acupuncture, air-cooled, cut deburring, rolling, cut-out, after the assay was approved, namely make the lamellose polyester fiber thin slice of polyester fiber.
In a preferred embodiment of the present invention, described fire-retardant polyester staple fiber comprises polypropylene PP, polyethylene terephtalate or polythene PE fire retardant staple length fibers.
In a preferred embodiment of the present invention, short fiber shredding first carries out pre-shredding to short fiber, then carry out main shredding.
The invention has the beneficial effects as follows: the present invention is lightweight, good springiness, fire-retardant; high temperature resistant heat insulation, sound-absorbing sound insulation value are effective; environment-protective no-smell can be used in automotive upholstery in a large number; play the effect of heat-insulating sound-insulating vibration damping and reduction noise; this polyester non-woven fabric thickness 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; the nondiscolouring of protection vehicle engine hatch cover, makes the outward appearance paint finishes of automobile unanimously attractive in appearance.Meet the new demand of automotive light weight technology, thus promote car comfort index, expand taking space and reducing the noise in automobile in automobile.Reduce engine noise to the noise pollution of automotive interior.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 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 the present invention's resistant to elevated temperatures automotive light weight technology polyester non-woven fabric one preferred embodiment.
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.
Refer to Fig. 1, the embodiment of the present invention comprises:
A kind of resistant to elevated temperatures automotive light weight technology polyester non-woven fabric, comprise: polyester fiber lamella and aluminium foil layer, successively decrease along polyester fiber lamella thickness direction density and comprise close bed 1, half close bed 2 and loft layer 3 successively, described aluminium foil layer 4 is compound in close bed surface.
Close bed surface and the aluminium foil strong bonded of polyester non-woven fabric of the present invention, form the protective layer of heat-resistant sound-insulation, thus enging cabin room cover plate can be protected to paint nondiscolouring and reduce the effect of noise inside automobile.
Therefore, resistant to elevated temperatures automotive light weight technology polyester non-woven fabric of the present invention is particularly useful for the application of the engine compartment inside gadget aspects such as automobile, truck and passenger vehicle, and shape and structure, thickness and area are not limit.
Embodiment 1: the preparation method that the invention still further relates to resistant to elevated temperatures automotive light weight technology polyester non-woven fabric, comprises the following steps:
1) the lamellose polyester fiber thin slice of polyester fiber is prepared;
2) touch at close bed 1, half close bed 2 of polyester fiber thin slice and the interlayer of loft layer 3 and spill thermal fusing powder, by roll compacting technique by three-decker strong bond;
3) touch on close bed 1 surface and spill thermal fusing powder;
4) close bed surface is overlying on after aluminium foil layer 4 aluminium foil being heated to 180 DEG C;
5) preparation of resistant to elevated temperatures automotive light weight technology polyester non-woven fabric after the assay was approved, is namely completed.
Wherein, polyester fiber lamellose polyester fiber preparation of sections method 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 present invention.
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 the lamellose polyester fiber thin slice of polyester fiber.
Embodiment 2: the preparation method that the invention still further relates to resistant to elevated temperatures automotive light weight technology polyester non-woven fabric, comprises the following steps:
1) the lamellose polyester fiber thin slice of polyester fiber is prepared;
2) touch at close bed 1, half close bed 2 of polyester fiber thin slice and the interlayer of loft layer 3 and spill thermal fusing powder, by roll compacting technique by three-decker strong bond;
3) touch on close bed 1 surface and spill thermal fusing powder;
4) close bed surface is overlying on after aluminium foil layer 4 aluminium foil being heated to 200 DEG C;
5) preparation of resistant to elevated temperatures automotive light weight technology polyester non-woven fabric after the assay was approved, is namely completed.
Wherein, polyester fiber lamellose polyester fiber preparation of sections method 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 present invention.
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 the lamellose polyester fiber thin slice of polyester fiber.
Embodiment 3: the preparation method that the invention still further relates to resistant to elevated temperatures automotive light weight technology polyester non-woven fabric, comprises the following steps:
1) the lamellose polyester fiber thin slice of polyester fiber is prepared;
2) touch at close bed 1, half close bed 2 of polyester fiber thin slice and the interlayer of loft layer 3 and spill thermal fusing powder, by roll compacting technique by three-decker strong bond;
3) touch on close bed 1 surface and spill thermal fusing powder;
4) close bed surface is overlying on after aluminium foil layer 4 aluminium foil being heated to 230 DEG C;
5) preparation of resistant to elevated temperatures automotive light weight technology polyester non-woven fabric after the assay was approved, is namely completed.
Wherein, polyester fiber lamellose polyester fiber preparation of sections method 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 present invention.
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 the lamellose polyester fiber thin slice of polyester fiber.
In above-described embodiment, 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.
The present invention meets the new demand of automotive light weight technology, thus promote car comfort index, expand 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, the 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, plate firmly bonding by the LDPE thermal fusing powder that spray is appropriate between this sheet layer, not easily layering, and there is the requirement meeting automotive upholstery flame-retarding characteristic, the tight aspect of this polyester non-woven fabric to plate bonding strong bonded by spraying appropriate LDPE thermal fusing powder with between aluminium foil, polyester non-woven fabric is formed the protective layer of heat-resistant sound-insulation, thus enging cabin room cover plate can be protected to paint nondiscolouring and reduce the effect of noise inside automobile, just resistant to elevated temperatures automotive light weight technology polyester non-woven fabric is produced through above-mentioned technical process.
This polyester non-woven fabric has outstanding sound-absorbing soundproof effect to noises such as low frequency, intermediate frequency and high-frequencies; resistant to elevated temperatures automotive light weight technology polyester non-woven fabric because it is lightweight, good springiness, fire-retardant; heat-resisting; the sound insulating and absorbing impact of performance is good; environment-protective no-smell can be used in automotive upholstery in a large number, plays the effect of the room cover plate paint nondiscolouring of protection enging cabin and reduction noise inside automobile.
Due to this polyester non-woven fabric thickness relative to general acoustical cotton comparatively speaking, thickness is thinning, and grammes per square metre diminishes, and can meet the new demand of automotive light weight technology, thus promotes car comfort index, expands 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 the aluminium foil layer of resistant to elevated temperatures automotive light weight technology polyester non-woven fabric can the transmission potential of the incident source of sound of reflection loss, thus reaches the rest state of principal space.Polyester non-woven fabric sound absorbing mechanism is that the close bed that density is larger also 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.
Polyester non-woven fabric of the present invention is high-efficiency fiber absorptive product, 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.
Resistant to elevated temperatures automotive light weight technology polyester non-woven fabric because it is lightweight, good springiness, fire-retardant; high temperature resistant heat insulation, sound-absorbing sound insulation value are effective; environment-protective no-smell can be used in automotive upholstery in a large number; the effect playing heat-insulating sound-insulating vibration damping and reduce costs; due to this polyester non-woven fabric thickness 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; the nondiscolouring of protection vehicle engine hatch cover, makes the outward appearance paint finishes of automobile unanimously attractive in appearance.
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 (6)
1. a resistant to elevated temperatures automotive light weight technology polyester non-woven fabric, it is characterized in that, comprise: polyester fiber lamella and aluminium foil layer, successively decreasing along polyester fiber lamella thickness direction density comprises close bed, half close bed and loft layer successively, and described aluminium foil layer is compound in close bed surface.
2. the preparation method of resistant to elevated temperatures automotive light weight technology polyester non-woven fabric according to claim 1, is characterized in that,
1) the lamellose polyester fiber thin slice of polyester fiber is prepared;
2) touch at the interlayer of the close bed of polyester fiber thin slice, half close bed and loft layer and spill thermal fusing powder, by roll compacting technique by three-decker strong bond;
3) touch on close bed surface and spill thermal fusing powder;
4) close bed surface is overlying on after being heated by aluminium foil layer aluminium foil;
5) preparation of resistant to elevated temperatures automotive light weight technology polyester non-woven fabric after the assay was approved, is namely completed.
3. the preparation method of resistant to elevated temperatures automotive light weight technology polyester non-woven fabric according to claim 2, is characterized in that, the temperature of aluminium foil heating is 180 DEG C-230 DEG C.
4. the preparation method of resistant to elevated temperatures automotive light weight technology polyester non-woven fabric according to claim 2, is characterized in that, polyester fiber lamellose polyester fiber preparation of sections method comprises:
1) prepare fire-retardant polyester staple fiber, and shredding is carried out to short fiber;
2) staple card after shredding is become fleece;
3) lapping is carried out, 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, stratum reticulare is made to form at thickness direction the structure that close bed, half close bed and loft layer density successively decreases, simultaneously hyperthermia drying sterilization;
5) and then carry out acupuncture, air-cooled, cut deburring, rolling, cut-out, after the assay was approved, namely make the lamellose polyester fiber thin slice of polyester fiber.
5. the preparation method of resistant to elevated temperatures automotive light weight technology polyester non-woven fabric according to claim 4, is characterized in that, described fire-retardant polyester staple fiber comprises polypropylene PP, polyethylene terephtalate or polythene PE fire retardant staple length fibers.
6. the preparation method of resistant to elevated temperatures automotive light weight technology polyester non-woven fabric according to claim 4, is characterized in that, short fiber shredding first carries out pre-shredding to short fiber, then carry out main shredding.
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| CN201510609313.1A CN105235314B (en) | 2015-09-23 | 2015-09-23 | Resistant to elevated temperatures automotive light weight technology polyester non-woven fabric and preparation method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5399418A (en) * | 1991-12-21 | 1995-03-21 | Erno Raumfahrttechnik Gmbh | Multi-ply textile fabric especially for protection suits and the like |
| CN1110223A (en) * | 1993-11-02 | 1995-10-18 | 安培威尔克·恩斯特·佩尔茨股份公司和两合公司 | Layered products, production and application of same |
| CN101189380A (en) * | 2005-04-01 | 2008-05-28 | 博凯技术公司 | Sound retardant nonwoven material and process for manufacture |
| CN103443342A (en) * | 2011-03-23 | 2013-12-11 | 欧拓管理公司 | A moulded multilayer lining for heat and sound insulation |
| CN204998068U (en) * | 2015-09-23 | 2016-01-27 | 常州市泛亚汽车饰件有限公司 | Polyester non -woven fabrics for high temperature resistance vehicle lightweight |
-
2015
- 2015-09-23 CN CN201510609313.1A patent/CN105235314B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5399418A (en) * | 1991-12-21 | 1995-03-21 | Erno Raumfahrttechnik Gmbh | Multi-ply textile fabric especially for protection suits and the like |
| CN1110223A (en) * | 1993-11-02 | 1995-10-18 | 安培威尔克·恩斯特·佩尔茨股份公司和两合公司 | Layered products, production and application of same |
| CN101189380A (en) * | 2005-04-01 | 2008-05-28 | 博凯技术公司 | Sound retardant nonwoven material and process for manufacture |
| CN103443342A (en) * | 2011-03-23 | 2013-12-11 | 欧拓管理公司 | A moulded multilayer lining for heat and sound insulation |
| CN204998068U (en) * | 2015-09-23 | 2016-01-27 | 常州市泛亚汽车饰件有限公司 | Polyester non -woven fabrics for high temperature resistance vehicle lightweight |
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| CN105235314B (en) | 2017-07-18 |
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