CN101574938B - Composite sound-proof formed foaming automobile carpet and preparation method thereof - Google Patents
Composite sound-proof formed foaming automobile carpet and preparation method thereof Download PDFInfo
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- CN101574938B CN101574938B CN2009100264070A CN200910026407A CN101574938B CN 101574938 B CN101574938 B CN 101574938B CN 2009100264070 A CN2009100264070 A CN 2009100264070A CN 200910026407 A CN200910026407 A CN 200910026407A CN 101574938 B CN101574938 B CN 101574938B
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Abstract
The invention discloses a composite sound-proof formed foaming automobile carpet and a preparation method thereof. The carpet is made of three layers of materials, namely a fabric layer, a middle multi-layer co-extrusion film layer and a bottom material layer, wherein the fabric layer is made of polyester fiber; the middle multi-layer co-extrusion film layer is made of PE/PE/AD/NYLON/AD/PE/PE multi-layer co-extrusion films; and the bottom material layer is made of polyester fiber. The sound-proof formed foaming automobile carpet provided by the invention has good sound insulation effect, can effectively prevent PU foaming breakdown, and has no toxic odor such as formaldehyde and the like and no penetrating odor; the fabric of the carpet has elegant color and the loop appearance can be adjusted; and the composite sound-proof formed foaming automobile carpet is an environment-friendly carpet with high sound insulation performance. The method for preparing the composite sound-proof formedfoaming automobile carpet provided by the invention has simple process, high efficiency, strong operability, high qualification rate of finished products, and can be suitable for mass production.
Description
Technical field
The present invention relates to a kind of carpet, be specifically related to a kind of composite sound-proof formed foaming automobile carpet that is used for automotive interior trim and preparation method thereof.
Background technology
Fast development along with world economy, improving constantly of living standards of the people, automobile industry development is rapid, car production is maked rapid progress, vehicle is brought in constant renewal in, people are not only the outward appearance of beautiful design to the requirement of automobile, traveling comfort to interior decorating and fitting, functional, environmental-protecting performance has also proposed new requirement, but Chang Yong vehicle internal decoration carpet is in order to reach certain rigidity and setting performance in the market, often contain the chemical industry latex in the internal decoration carpet material, in order to prevent that the carpet foaming from puncturing, usually contain chemical EPDM and EVA coating in the internal decoration carpet material, above chemical industry latex, contain higher in EPDM and the EVA chemical as poisonous and penetrating odors such as formaldehyde, and vehicle internal decoration carpet sound insulation value commonly used on the market is poor, noise is bigger during automotive operation, and therefore, the vehicle internal decoration carpet out of reach people on the market are to comfortable, the standard of environmental demands.
Summary of the invention
Goal of the invention: the objective of the invention is in order to solve the deficiencies in the prior art, a kind of environmental protection, composite sound-proof formed foaming automobile carpet that sound insulation value is good and preparation method thereof are provided.
Technical scheme: in order to realize above purpose, composite sound-proof formed foaming automobile carpet provided by the invention comprise precoat, middle multi-layer co-extruded rete and initial bed trilaminate material, described precoat is made by poly-ester fibres, middle multi-layer co-extruded rete is made by the PE/PE/AD/NYLON/AD/PE/PE PP TYPE, and initial bed is made by poly-ester fibres.
The precoat of composite sound-proof formed foaming automobile carpet provided by the invention is that 100～130 ℃ fiber mixing acupuncture is made by poly-ester fibres and fusing point, and the shared percentage by weight of poly-ester fibres is 90～100%, all the other are 100～130 ℃ fiber for fusing point, and the weight of the every sq m of precoat is 200～600 grams.Initial bed is that the fiber mixing acupuncture that 75: 25～45: 55 poly-ester fibres and fusing point are 100～130 ℃ is made by percentage by weight, and the weight of the every sq m of initial bed is 250～1000 grams.The weight of the every sq m of middle multi-layer co-extruded rete is 100～300 grams.Wherein the fusing point of poly-ester fibres is 250～260 ℃.
The method for preparing composite sound-proof formed foaming automobile carpet provided by the invention may further comprise the steps:
(1) preparation of precoat: the fiber of getting poly-ester fibres and fusing point and be 100～130 ℃ at first carries out shredding, mix, obtain different colours, the fiber of different size, again fiber is transported to carding machine by hopper, combing obtains the high fleece of single degree through high speed, fleece passes through cross lapping machine again, laying becomes multi-layered web, again multi-layered web is transported to needing machine, with depth of needling 10～13mm, acupuncture speed 3～5m/min technological condition carries out acupuncture, the precoat that obtains needling density and be 120～500 pins/sq cm is standby, wherein the shared percentage by weight of poly-ester fibres is 90～100%, and all the other are 100～130 ℃ fiber for fusing point.
(2) preparation of initial bed: get percentage by weight and be the fiber that 75: 25～45: 55 poly-ester fibres and fusing point be 100～130 ℃ and at first carry out shredding, mix, obtain different colours, the fiber of different size, again fiber is transported to carding machine by hopper, combing obtains the high fleece of single degree through high speed, fleece passes through cross lapping machine again, laying becomes multi-layered web, again multi-layered web is transported to pre-needling machine, with the degree of depth 10～13mm, density 70～300 pins/sq cm technological condition carries out pre-needling, and then with the degree of depth 8～11mm, density 120～150 pins/sq cm technological condition carries out secondary acupuncture, and it is standby to obtain initial bed.
(3) to carry out laying through the storage cloth holder compound for the initial bed that obtains of the precoat that step (1) is obtained, middle multi-layer co-extruded rete and step (3), be input to high temperature hot-blast furnace by stenter then, under 160～210 ℃ of temperature, heat the PE layer fusion that makes middle multi-layer co-extruded rete by heat generator then, thereby bonding firmly precoat and initial bed, handle making precoat and initial bed closely be compounded in multi-layer co-extruded rete formation one respectively again through cold wind, rolling, cutting obtain product.
Beneficial effect: composite sound-proof formed foaming automobile carpet provided by the invention is compared with carpet commonly used in the prior art and is had the following advantages:
1, the compound fastness of composite sound-proof formed foaming automobile carpet of the present invention is strong, precoat is difficult to separate with initial bed, and plastic performance is good, and has good toughness, impact resistance, anti tear, resistance are worn with the anti-moisture absorption energy strong, and have on-deformable characteristics.
2, no chemical latex and EPDM or EVA composition in the composite sound-proof formed foaming automobile carpet material prescription of the present invention make also to have no irritating odor toxic odor such as composite material is formaldehydeless, are the high carpets of a kind of environmental protection and performance.
3, the present invention utilizes the multi-layer co-extruded membrane technology of PE/PE/AD/NYLON/AD/PE/PE, precoat and initial bed are undertaken during by PE layer heating and melting bonding, and the PA layer has deadening, and can prevent effectively that the PU foaming from puncturing, bottom has sound absorption, and the composite material carpet that obtains has good sound insulation and sound absorption qualities.
4, the precoat and the initial bed of the present invention's employing all are needle punched non-woven fabrics of poly-ester fibres and low-melting fiber, both are cheap, and the color of precoat, matte outward appearance can be adjusted, can supporting automobile etc. the color of body interior, be inexpensive automotive interior trim material.
The method for preparing composite sound-proof formed foaming automobile carpet provided by the invention has changed common preparation method; adopting low-melting fiber and low melting point PE layer to play by temperature characterisitic reinforces and cohesive action; do not need the back of the body to be coated with latex and EVA or EPDM coating material; can not produce waste water and waste gas, environmental protection is played an important role.Therefore, manufacturing approach craft provided by the present invention is simple, efficient is high, equipment is simple, workable, can produce the product qualified rate height in enormous quantities.
The specific embodiment:
Fig. 1 is the structural representation of composite sound-proof formed foaming automobile carpet of the present invention.
Below in conjunction with specific embodiment, further illustrate the present invention, should understand these embodiment only is used for explanation the present invention and is not used in and limits the scope of the invention, after having read the present invention, those skilled in the art all fall within the application's claims limited range to the modification of the various equivalent form of values of the present invention.
Embodiment 1:
The preparation of precoat: get percentage by weight and be the fiber that 90: 10 poly-ester fibres and fusing point be 100 ℃ and carry out shredding, mix, obtain the fiber of certain color and specification, again fiber is transported to carding machine by hopper, combing obtains fleece through high speed, fleece passes through cross lapping machine again, laying becomes the fleece of 250 gram/sq ms, again fleece is transported to needing machine, with depth of needling 10mm, acupuncture speed 3m/min technological condition carries out acupuncture, and the precoat that obtains needling density and be 120 pins/sq cm is standby.
The preparation of initial bed: get percentage by weight and be the fiber that 75: 25 poly-ester fibres and fusing point be 100 ℃ and carry out shredding, mix, obtain the fiber of certain color and specification, again fiber is transported to carding machine by hopper, combing obtains fleece through high speed, fleece passes through cross lapping machine again, laying becomes the fleece of 250 gram/sq ms, again fleece is transported to pre-needling machine, with degree of depth 10mm, density 70 pins/sq cm technological condition carries out pre-needling, and then with degree of depth 8mm, density 120 pins/sq cm technological condition carries out two acupunctures, and it is standby to obtain initial bed.
The multi-layer co-extruded rete in the centre of the above precoat that obtains, initial bed and 100 gram/sq ms is imported the storage cloth holder, and to carry out laying compound, be input to high temperature hot-blast furnace by stenter then, under 160 ℃ of temperature, heat the PE layer fusion that makes middle multi-layer co-extruded rete by heat generator then, thereby bonding firmly precoat and initial bed, handle making precoat and initial bed closely be compounded in multi-layer co-extruded rete formation one respectively again through cold wind, rolling, cutting obtain product.
Embodiment 2:
The preparation of precoat: get percentage by weight and be the fiber that 92: 8 poly-ester fibres and fusing point be 110 ℃ and carry out shredding, mix, obtain the fiber of certain color and specification, again fiber is transported to carding machine by hopper, combing obtains fleece through high speed, fleece passes through cross lapping machine again, laying becomes the fleece of 430 gram/sq ms, again fleece is transported to needing machine, with depth of needling 13mm, acupuncture speed 5m/min technological condition carries out acupuncture, and the precoat that obtains needling density and be 500 pins/sq cm is standby.
The preparation of initial bed: get percentage by weight and be the fiber that 45: 55 poly-ester fibres and fusing point be 110 ℃ and carry out shredding, mix, obtain the fiber of certain color and specification, again fiber is transported to carding machine by hopper, combing obtains fleece through high speed, fleece passes through cross lapping machine again, laying becomes the fleece of 1000 gram/sq ms, again fleece is transported to pre-needling machine, with degree of depth 13mm, density 300 pins/sq cm technological condition carries out pre-needling, and then with degree of depth 11mm, density 150 pins/sq cm technological condition carries out two acupunctures, and it is standby to obtain initial bed.
The multi-layer co-extruded rete in the centre of the above precoat that obtains, initial bed and 150 gram/sq ms is imported the storage cloth holder, and to carry out laying compound, be input to high temperature hot-blast furnace by stenter then, under 210 ℃ of temperature, heat the PE layer fusion respectively that makes middle multi-layer co-extruded rete by heat generator then, thereby bonding firmly precoat and initial bed, handle making precoat and initial bed closely be compounded in multi-layer co-extruded rete formation one respectively again through cold wind, rolling, cutting obtain product.
Embodiment 3:
The preparation of precoat: get percentage by weight and be the fiber that 96: 4 poly-ester fibres and fusing point be 120 ℃ and carry out shredding, mix, obtain the fiber of certain color and specification, again fiber is transported to carding machine by hopper, combing obtains fleece through high speed, fleece passes through cross lapping machine again, laying becomes the fleece of 600 gram/sq ms, again fleece is transported to needing machine, with depth of needling 12mm, acupuncture speed 4m/min technological condition carries out acupuncture, and the precoat that obtains needling density and be 300 pins/sq cm is standby.
The preparation of initial bed: get percentage by weight and be the fiber that 55: 45 poly-ester fibres and fusing point be 120 ℃ and carry out shredding, mix, obtain the fiber of certain color and specification, again fiber is transported to carding machine by hopper, combing obtains fleece through high speed, fleece passes through cross lapping machine again, laying becomes the fleece of 500 gram/sq ms, again fleece is transported to pre-needling machine, with degree of depth 12mm, density 150 pins/sq cm technological condition carries out pre-needling, and then with degree of depth 10mm, density 130 pins/sq cm technological condition carries out secondary acupuncture, and it is standby to obtain initial bed.
The multi-layer co-extruded rete in the centre of the above precoat that obtains, initial bed and 250 gram/sq ms is imported the storage cloth holder, and to carry out laying compound, be input to high temperature hot-blast furnace by stenter then, under 200 ℃ of temperature, heat the PE layer fusion respectively that makes middle multi-layer co-extruded rete by heat generator then, thereby bonding firmly precoat and initial bed, handle making precoat and initial bed closely be compounded in multi-layer co-extruded rete formation one respectively again through cold wind, rolling, cutting obtain product.
Embodiment 4:
The preparation of precoat: get poly-ester fibres and carry out shredding, mix, obtain the fiber of certain color and specification, again fiber is transported to carding machine by hopper, combing obtains fleece through high speed, and by cross lapping machine, laying becomes the fleece of 300 gram/sq ms to fleece again, again fleece is transported to needing machine, with depth of needling 11mm, acupuncture speed 4m/min technological condition carries out acupuncture, and the precoat that obtains needling density and be 400 pins/sq cm is standby.
The preparation of initial bed: get percentage by weight and be the fiber that 60: 40 poly-ester fibres and fusing point be 130 ℃ and carry out shredding, mix, obtain the fiber of certain color and specification, again fiber is transported to carding machine by hopper, combing obtains fleece through high speed, fleece passes through cross lapping machine again, laying becomes the fleece of 600 gram/sq ms, again fleece is transported to pre-needling machine, with degree of depth 12mm, density 200 pins/sq cm technological condition carries out pre-needling, and then with degree of depth 9mm, density 140 pins/sq cm technological condition carries out secondary acupuncture, and it is standby to obtain initial bed.
The multi-layer co-extruded rete in the centre of the above precoat that obtains, initial bed and 300 gram/sq ms is imported the storage cloth holder, and to carry out laying compound, be input to high temperature hot-blast furnace by stenter then, under 190 ℃ of temperature, heat the PE layer fusion respectively that makes middle multi-layer co-extruded rete by heat generator then, thereby bonding firmly precoat and initial bed, handle making precoat and initial bed closely be compounded in multi-layer co-extruded rete formation one respectively again through cold wind, rolling, cutting obtain product.
Claims (9)
1. composite sound-proof formed foaming automobile carpet, it is characterized in that, it is made with initial bed (3) trilaminate material by precoat (1), middle multi-layer co-extruded rete (2), described precoat (1) is made by poly-ester fibres, middle multi-layer co-extruded rete (2) is made by the PE/PE/AD/NYLON/AD/PE/PE PP TYPE, and initial bed (3) is made by poly-ester fibres.
2. composite sound-proof formed foaming automobile carpet according to claim 1, it is characterized in that, described precoat (1) is that 100～130 ℃ fiber mixing acupuncture is made by poly-ester fibres and fusing point, wherein the percentage by weight of poly-ester fibres is 90～100%, all the other are 100～130 ℃ fiber for fusing point, and the weight of the every sq m of precoat (1) is 200～600 grams.
3. composite sound-proof formed foaming automobile carpet according to claim 1, it is characterized in that, described initial bed (3) is that the fiber mixing acupuncture that 75: 25～45: 55 poly-ester fibres and fusing point are 100～130 ℃ is made by percentage by weight, and the weight of the every sq m of initial bed (3) is 250～1000 grams.
4. composite sound-proof formed foaming automobile carpet according to claim 1 is characterized in that, the weight of the every sq m of the multi-layer co-extruded rete in described centre (2) is 100～300 grams.
5. method for preparing each described composite sound-proof formed foaming automobile carpet of claim 1 to 4 is characterized in that may further comprise the steps:
(a) preparation of precoat (1): the fiber of getting poly-ester fibres and fusing point and be 100～130 ℃ at first carries out shredding, mixes, obtain fiber, again fiber is transported to carding machine by hopper, obtain the high fleece of single degree through combing, fleece passes through cross lapping machine again, laying becomes multi-layered web, multi-layered web is transported to needing machine again and carries out pinprick reinforcement and the acupuncture of matte texture, and it is standby to obtain precoat (1);
(b) preparation of initial bed (3): the fiber of getting poly-ester fibres and fusing point and be 100～130 ℃ at first carries out shredding, mixes, obtain fiber, again fiber is transported to carding machine by hopper, obtain the high fleece of single degree through combing, fleece passes through cross lapping machine again, laying becomes multi-layered web, multi-layered web is transported to pre-needling machine again and carries out pinprick reinforcement and be transported to two needing machines then and carry out two pinprick reinforcements, and it is standby to obtain initial bed (3);
(c) to carry out laying through the storage cloth holder compound for the initial bed (3) that obtains of the precoat (1) that step (1) is obtained, middle multi-layer co-extruded rete (2) and step (2), be input to high temperature hot-blast furnace by stenter then, the PE layer fusion of multi-layer co-extruded rete in the middle of making by the heat generator heating then, thereby bonding firmly precoat (1) and initial bed (3), handle making precoat and initial bed closely be compounded in middle multi-layer co-extruded rete formation one respectively again through cold wind, rolling, cutting obtain product.
6. the method for preparing composite sound-proof formed foaming automobile carpet according to claim 5 is characterized in that, the shared percentage by weight of poly-ester fibres is 90～100% in the step (a), and all the other are 100～130 ℃ fiber for fusing point.
7. the method for preparing composite sound-proof formed foaming automobile carpet according to claim 5 is characterized in that, poly-ester fibres and fusing point are that the percentage by weight of 100～130 ℃ of fibers is 75: 25～45: 55 in the step (b).
8. the method for preparing composite sound-proof formed foaming automobile carpet according to claim 5, it is characterized in that, the pre-needling degree of depth 10～13mm in the step (b), pre-needling density is 70～300 pins/sq cm, two depth of needling, 8～11mm, two needling densities, 120～150 pins/sq cm.
9. the method for preparing composite sound-proof formed foaming automobile carpet according to claim 5 is characterized in that, the temperature of heat generator heating is 160～210 ℃ in the step (c).
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103317811A (en) * | 2013-07-02 | 2013-09-25 | 无锡吉兴汽车部件有限公司 | Production technology for manufacturing soft layer sound insulation pad and hard layer sound insulation pad by utilizing high-temperature steam |
| CN103692753A (en) * | 2013-12-12 | 2014-04-02 | 无锡吉兴汽车声学部件科技有限公司 | Method for manufacturing light-weight air flow resistance adjustable type multilayered structure acoustics component |
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| CN102218864A (en) * | 2011-05-16 | 2011-10-19 | 安徽南澳地毯有限公司 | Automotive interior decorative part |
| CN102328481A (en) * | 2011-08-26 | 2012-01-25 | 苏州潮盛印花制版实业有限公司 | Printed composite sound-insulation carpet |
| CN103303214B (en) * | 2013-07-02 | 2015-04-08 | 无锡吉兴汽车部件有限公司 | Automobile sound-insulating pad and manufacturing technique thereof |
| CN104192042B (en) * | 2014-08-22 | 2016-08-24 | 无锡吉兴汽车部件有限公司 | A kind of lightweight car acpistocs carpet and production method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103317811A (en) * | 2013-07-02 | 2013-09-25 | 无锡吉兴汽车部件有限公司 | Production technology for manufacturing soft layer sound insulation pad and hard layer sound insulation pad by utilizing high-temperature steam |
| CN103692753A (en) * | 2013-12-12 | 2014-04-02 | 无锡吉兴汽车声学部件科技有限公司 | Method for manufacturing light-weight air flow resistance adjustable type multilayered structure acoustics component |
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