CN111186200A - Carpet for automobile and manufacturing method thereof - Google Patents
Carpet for automobile and manufacturing method thereof Download PDFInfo
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- CN111186200A CN111186200A CN202010049732.5A CN202010049732A CN111186200A CN 111186200 A CN111186200 A CN 111186200A CN 202010049732 A CN202010049732 A CN 202010049732A CN 111186200 A CN111186200 A CN 111186200A
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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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
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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
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/04—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B25/08—Layered products comprising a layer of natural or synthetic rubber comprising rubber 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
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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
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
- B32B25/14—Layered products comprising a layer of natural or synthetic rubber comprising synthetic rubber copolymers
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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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/306—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl acetate or vinyl alcohol (co)polymers
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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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N3/00—Arrangements or adaptations of other passenger fittings, not otherwise provided for
- B60N3/04—Arrangements or adaptations of other passenger fittings, not otherwise provided for of floor mats or carpets
- B60N3/042—Arrangements or adaptations of other passenger fittings, not otherwise provided for of floor mats or carpets of carpets
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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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/10—Properties of the layers or laminate having particular acoustical properties
- B32B2307/102—Insulating
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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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/554—Wear resistance
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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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/726—Permeability to liquids, absorption
- B32B2307/7265—Non-permeable
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
Abstract
The invention relates to a carpet for an automobile, which comprises a polyurethane soft sound insulation layer (PUR), a hot melt adhesive layer and a surface protection layer which are sequentially arranged from bottom to top; the hot melt adhesive layer is made of ethylene-vinyl acetate copolymer (EVA) or Ethylene Propylene Diene Monomer (EPDM), and the gram weight of the hot melt adhesive layer is 2880-3520 g/m2(ii) a The surface protection layer is made of Thermoplastic Polyolefin (TPO) with a gram weight of 450-550 g/m2. Compared with the prior art, the invention has the advantages of convenient cleaning and better appearanceGood wear resistance, good sound insulation effect and the like.
Description
Technical Field
The invention relates to the technical field of carpets, in particular to an automobile carpet and a manufacturing method thereof.
Background
With the rapid development of the automobile market and the continuous improvement of the living standard of people, the requirements of people on the speed feeling, the driving feeling, the comfortable feeling, the safety feeling and the like of automobiles are gradually improved. At present, the automobile carpet is made of sound absorption materials such as PET fiber carpet surface molding, back foaming or molding felt. For example, chinese patent CN 209240616U discloses an automotive carpet. This automotive carpet includes: from top to bottom set gradually fibre blanket face, first PE rete, high strength felt, ethylene-vinyl acetate copolymer layer, second PE rete and inhale the sound felt, fibre blanket face with bond through the design glue between the first PE rete. The technology adopts the fiber carpet surface as the carpet surface layer, and the PET fiber carpet surface is not wear-resistant and easy to be dirty and generally needs to be matched with a carpet foot pad for use; and has poor sound insulation performance, is easy to absorb water and is attached with dust.
Disclosure of Invention
The invention aims to overcome the defects of poor wear resistance, poor dirt resistance, easy water absorption, easy dust adhesion and the like in the prior art and provide an automobile carpet with anti-skid, wear-resistant, dustproof and waterproof effects and a manufacturing method thereof.
The purpose of the invention can be realized by the following technical scheme:
a carpet for an automobile comprises a polyurethane soft sound insulation layer (PUR), a hot melt adhesive layer and a surface protection layer which are sequentially arranged from bottom to top; the hot melt adhesive layer is made of ethylene-vinyl acetate copolymer (EVA) or Ethylene Propylene Diene Monomer (EPDM), and the gram weight of the hot melt adhesive layer is 2880-3520 g/m2(ii) a The surface protection layer is made of Thermoplastic Polyolefin (TPO) with a gram weight of 450-550 g/m2。
The invention replaces the PET fiber carpet surface on the existing vehicle carpet with a Thermoplastic Polyolefin (TPO) layer, and adopts ethylene-vinyl acetate copolymer (EVA) or Ethylene Propylene Diene Monomer (EPDM) to realize the adhesion of the Thermoplastic Polyolefin (TPO) layer and the polyurethane soft sound insulation layer (PUR). The Thermoplastic Polyolefin (TPO) layer is made of wear-resistant materials, so that the wear-resistant effect of the carpet is improved, the TPO does not absorb water, the carpet is convenient to clean, and the automobile carpet can be conveniently cleaned by wiping with wet rags; the TPO surface can be printed with corresponding textures according to different requirements of different customers, such as wood floor textures and the like, so that the luxury feeling of the whole vehicle can be improved; the density of the hot melt adhesive layer is high, and meanwhile, the sound insulation performance of the carpet is improved.
The gram weight of the polyurethane soft sound insulation material is 50-80 g/m2。
The thickness of the polyurethane soft sound insulation layer is 10-100 mm; the thickness of the hot melt adhesive layer is 0.5-1 mm; the thickness of the surface protection layer is 1-1.5 mm.
The surface of the surface protection layer is provided with patterns.
The surface of the surface protection layer is provided with anti-skid textures.
The Ethylene Propylene Diene Monomer (EPDM) comprises the following raw material components:
wherein the additive is common additive, and comprises antioxidant, white oil, etc.
The invention also provides a manufacturing method of the carpet for the automobile, which comprises the following steps:
(1) preparing a surface protective layer, keeping the hot melt adhesive layer in a softened state, and attaching the surface protective layer and the hot melt adhesive layer together through a compression roller;
(2) carrying out corona treatment on the surface of the hot melt adhesive layer in the layered material obtained in the step (1);
(3) carrying out plastic suction molding treatment on the layered material obtained in the step (2) to manufacture the appearance of the automobile carpet;
(4) placing the semi-finished product obtained in the step (3) into a foaming mould, and foaming and molding by adopting polyurethane foam to obtain a polyurethane soft sound insulation layer adhered to the surface of the hot melt adhesive layer;
(5) and (4) cutting the semi-finished polyurethane soft sound insulation layer obtained in the step (4) by water to obtain the appearance contour of the automobile carpet, and thus obtaining the automobile carpet.
In the step (1), the gap of the compression roller is 1-3 mm; in the step (2), the electrode power of the corona treatment is 2100w-3100w, and the passing speed of the layered material is 200-.
The hot melt adhesive layer is in a softened state after being extruded, the surface protective layer is directly covered on the surface of the hot melt adhesive layer, the hot melt adhesive layer and the surface protective layer are firmly bonded by adopting a press roller with specific working pressure, the operation is convenient, and the stripping force between the hot melt adhesive layer and the surface protective layer meets the requirement; to the bonding between hot melt adhesive layer and the soft puigging of polyurethane, carry out corona treatment to hot melt adhesive layer surface, be favorable to increasing the adhesive capacity on hot melt adhesive layer surface to make the peel force between hot melt adhesive layer and the soft puigging of polyurethane satisfy the requirement.
In the step (3), the plastic suction forming treatment method comprises the steps of baking the sheet in an oven at 170-190 ℃ for 50-70 seconds, preferably baking at 180 ℃ for 60 seconds, then conveying the sheet to a mold through a conveyer belt, turning on a vacuum switch, and carrying out plastic suction forming under the condition that the vacuum pressure is 3-5 kg.
The hot melt adhesive layer (EVA/EPDM) and the surface protection layer (TPO) are formed by plastic suction, and compared with the traditional molded carpet, the shape of the hot melt adhesive layer is closer to the design data.
Further, in the step (3), the anti-slip texture is processed on the layered material obtained in the step (2) through a plastic suction molding process.
Compared with the prior art, the invention has the following advantages:
(1) TPO is adopted as the surface layer, so that the carpet for the automobile has good waterproof effect, does not absorb water, and is convenient to clean;
(2) the surface of the TPO layer can be processed with textures, so that the appearance effect of the carpet is improved; the anti-skid texture is further manufactured on the surface of TPO, so that the anti-skid requirement can be met;
(3) the wear resistance is good, TPO is adopted for integral covering, a foot pad is not needed to be arranged in the automobile, and parts in the automobile are simplified;
(4) the dust-proof effect is good, the TPO surface is smooth, dust cannot be accumulated, and the TPO surface is very easy to be clear even if dust exists;
(5) the sound insulation effect is good, the EVA layer is thick and dense, sound cannot penetrate through the EVA layer, and the EVA layer has good sound insulation performance.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure, 1 is a surface protection layer, 2 is a hot melt adhesive layer, and 3 is a polyurethane soft sound insulation layer.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications can be made by persons skilled in the art without departing from the spirit of the invention. All falling within the scope of the present invention.
Example 1
A carpet for an automobile is of a three-layer laminated structure, and as shown in figure 1, the carpet for the automobile comprises a polyurethane soft sound insulation layer 3, a hot melt adhesive layer 2 and a surface protection layer 1 which are sequentially arranged from bottom to top; the surface protection layer 1 is made of Thermoplastic Polyolefin (TPO) with a gram weight of 500g/m2The thickness is 1 mm; the hot melt adhesive layer 2 is made of Ethylene Propylene Diene Monomer (EPDM) with the gram weight of 3500g/m2The thickness is 0.5 mm; the grammage of the polyurethane flexible sound-insulating layer (PUR)3 is 50g/m2The thickness is 10 mm. The surface of the surface protection layer 1 is provided with anti-skid textures.
The Ethylene Propylene Diene Monomer (EPDM) comprises the following raw material components:
70 parts of heavy goldfish powder;
20 parts by weight of a thermoplastic elastomer;
10 parts of PE plastic particles;
1 part by weight of carbon black;
14 parts of additive.
The additive is a mixture of antioxidant and white oil.
All the raw materials are common commercial products.
The manufacturing method of the carpet for the automobile comprises the following steps:
(1) preparing a TPO membrane as a surface protective layer, keeping a hot melt adhesive layer of EVA in a softened state, and attaching the surface protective layer and the hot melt adhesive layer together through a compression roller, wherein the gap between the compression rollers is set to be 1 mm;
(2) performing corona treatment on the surface of the hot melt adhesive layer in the layered material obtained in the step (1), wherein the electrode power of the corona treatment is 2100w, and the passing speed of the material is 200 mm/s;
(3) carrying out plastic suction molding treatment on the TPO/EVA laminated material obtained in the step (2) to manufacture the appearance of the carpet for the automobile, and simultaneously processing the laminated material obtained in the step (2) through the plastic suction molding treatment to obtain anti-skid textures; baking the sheet in an oven at 180 ℃ for 60 seconds, conveying the sheet to a mold through a conveyer belt, and opening a vacuumizing switch to ensure that the vacuum pressure is 4 kg;
(4) placing the semi-finished product obtained in the step (3) into a foaming mould, and foaming and molding by adopting polyurethane foam to obtain a polyurethane soft sound insulation layer adhered to the surface of the hot melt adhesive layer; the foaming process adopts the existing process, the temperature of a foaming mould is controlled to be 70 ℃, a high-density felt hard layer is placed in the foaming mould, the polyether and isocyanate are mixed according to the weight ratio of 0.6: 1 to obtain the polyurethane foaming agent, the temperature of the polyurethane foaming agent is controlled to be 28 ℃, the pouring pressure is controlled to be 160bar, the polyurethane foaming agent is poured into the foaming mould, and the foaming curing time is 3 min.
(5) And (4) cutting the semi-finished polyurethane soft sound insulation layer obtained in the step (4) by water to obtain the appearance contour of the automobile carpet, and thus obtaining the automobile carpet.
The prepared automotive carpet was tested and the test results are shown in the following table:
as can be seen from the table above, the carpet for automobile obtained by the embodiment has better wear resistance, the peeling force between the three layers of materials meets the requirement, and the waterproof effect is better.
Example 2
The carpet for the automobile is of a three-layer laminated structure, and comprises a polyurethane soft sound insulation layer 3, a hot melt adhesive layer 2 and a surface which are sequentially arranged from bottom to top as shown in figure 1A protective layer 1; the material of the surface protection layer 1 is Thermoplastic Polyolefin (TPO) with a gram weight of 450g/m2The thickness is 1.5 mm; the hot melt adhesive layer 2 is made of Ethylene Propylene Diene Monomer (EPDM) with the gram weight of 2880g/m2The thickness is 1 mm; the grammage of the polyurethane flexible sound-insulating layer (PUR)3 is 80g/m2The thickness is 100 mm. The surface of the surface protection layer 1 is provided with anti-skid textures.
The Ethylene Propylene Diene Monomer (EPDM) comprises the following raw material components:
70 parts of heavy goldfish powder;
20 parts by weight of a thermoplastic elastomer;
10 parts of PE plastic particles;
1 part by weight of carbon black;
14 parts of additive.
The manufacturing method of the carpet for the automobile comprises the following steps:
(1) preparing a TPO membrane as a surface protective layer, keeping a hot melt adhesive layer of EVA in a softened state, and attaching the surface protective layer and the hot melt adhesive layer together through a compression roller, wherein the gap between the compression rollers is set to be 1 mm;
(2) performing corona treatment on the surface of the hot melt adhesive layer in the layered material obtained in the step (1), wherein the electrode power of the corona treatment is 2100w, and the passing speed of the material is 200 mm/s;
(3) carrying out plastic suction molding treatment on the TPO/EVA laminated material obtained in the step (2) to manufacture the appearance of the carpet for the automobile, and simultaneously processing the laminated material obtained in the step (2) through the plastic suction molding treatment to obtain anti-skid textures; baking the sheet in an oven at 170 ℃ for 70 seconds, conveying the sheet to a mold through a conveyer belt, and then opening a vacuumizing switch to ensure that the vacuum pressure is 3 kg;
(4) placing the semi-finished product obtained in the step (3) into a foaming mould, and foaming and molding by adopting polyurethane foam to obtain a polyurethane soft sound insulation layer adhered to the surface of the hot melt adhesive layer; the foaming process adopts the existing process, the temperature of a foaming mould is controlled to be 70 ℃, a high-density felt hard layer is placed in the foaming mould, the polyether and isocyanate are mixed according to the weight ratio of 0.6: 1 to obtain the polyurethane foaming agent, the temperature of the polyurethane foaming agent is controlled to be 28 ℃, the pouring pressure is controlled to be 160bar, the polyurethane foaming agent is poured into the foaming mould, and the foaming curing time is 3 min.
(5) And (4) cutting the semi-finished polyurethane soft sound insulation layer obtained in the step (4) by water to obtain the appearance contour of the automobile carpet, and thus obtaining the automobile carpet.
Example 3
A carpet for an automobile is of a three-layer laminated structure, and as shown in figure 1, the carpet for the automobile comprises a polyurethane soft sound insulation layer 3, a hot melt adhesive layer 2 and a surface protection layer 1 which are sequentially arranged from bottom to top; the surface protection layer 1 is made of Thermoplastic Polyolefin (TPO) with a gram weight of 550g/m2The thickness is 1 mm; the hot melt adhesive layer 2 is made of ethylene-vinyl acetate copolymer (EVA) with the gram weight of 3520g/m2The thickness is 0.5 mm; the grammage of the polyurethane soft sound-insulating layer (PUR)3 is 60g/m2The thickness is 100 mm. The surface of the surface protection layer 1 is provided with anti-skid textures.
The manufacturing method of the carpet for the automobile comprises the following steps:
(1) preparing a TPO membrane as a surface protective layer, keeping a hot melt adhesive layer of EVA in a softened state, and attaching the surface protective layer and the hot melt adhesive layer together through a compression roller, wherein the gap between the compression rollers is set to be 1 mm;
(2) performing corona treatment on the surface of the hot melt adhesive layer in the layered material obtained in the step (1), wherein the electrode power of the corona treatment is 3100w, and the passing speed of the material is 300 mm/s;
(3) carrying out plastic suction molding treatment on the TPO/EVA laminated material obtained in the step (2) to manufacture the appearance of the carpet for the automobile, and simultaneously processing the laminated material obtained in the step (2) through the plastic suction molding treatment to obtain anti-skid textures; baking the sheet in an oven at 190 ℃ for 50 seconds, conveying the sheet to a mold through a conveyer belt, and opening a vacuumizing switch to ensure that the vacuum pressure is 5 kg;
(4) placing the semi-finished product obtained in the step (3) into a foaming mould, and foaming and molding by adopting polyurethane foam to obtain a polyurethane soft sound insulation layer adhered to the surface of the hot melt adhesive layer; the foaming process adopts the existing process, the temperature of a foaming mould is controlled to be 70 ℃, a high-density felt hard layer is placed in the foaming mould, the polyether and isocyanate are mixed according to the weight ratio of 0.6: 1 to obtain the polyurethane foaming agent, the temperature of the polyurethane foaming agent is controlled to be 28 ℃, the pouring pressure is controlled to be 160bar, the polyurethane foaming agent is poured into the foaming mould, and the foaming curing time is 3 min.
(5) And (4) cutting the semi-finished polyurethane soft sound insulation layer obtained in the step (4) by water to obtain the appearance contour of the automobile carpet, and thus obtaining the automobile carpet.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention.
Claims (10)
1. The carpet for the automobile is characterized by comprising a polyurethane soft sound insulation layer, a hot melt adhesive layer and a surface protection layer which are sequentially arranged from bottom to top; the hot melt adhesive layer is made of ethylene-vinyl acetate copolymer or ethylene propylene diene monomer rubber with the gram weight of 2880-3520 g/m2(ii) a The surface protection layer is made of thermoplastic polyolefin and has the gram weight of 450-550 g/m2。
2. The carpet as claimed in claim 1, wherein the soft polyurethane sound insulation material has a grammage of 50-80 g/m2。
3. The carpet for the automobile as claimed in claim 1, wherein the thickness of the polyurethane soft sound insulation layer is 10 to 100 mm; the thickness of the hot melt adhesive layer is 0.5-1 mm; the thickness of the surface protection layer is 1-1.5 mm.
4. The carpet for automobile as claimed in claim 1, wherein the surface of the surface protective layer has a pattern.
5. The carpet as claimed in claim 1, wherein the surface protection layer has a non-slip texture on its surface.
6. The carpet for the automobile as claimed in claim 1, wherein the ethylene propylene diene monomer comprises the following raw material components:
7. a method for manufacturing a carpet for an automobile according to claim 1, comprising the steps of:
(1) preparing a surface protective layer, keeping the hot melt adhesive layer in a softened state, and attaching the surface protective layer and the hot melt adhesive layer together through a compression roller;
(2) carrying out corona treatment on the surface of the hot melt adhesive layer in the layered material obtained in the step (1);
(3) carrying out plastic suction molding treatment on the layered material obtained in the step (2) to manufacture the appearance of the automobile carpet;
(4) placing the semi-finished product obtained in the step (3) into a foaming mould, and foaming and molding by adopting polyurethane foam to obtain a polyurethane soft sound insulation layer adhered to the surface of the hot melt adhesive layer;
(5) and (4) cutting the semi-finished polyurethane soft sound insulation layer obtained in the step (4) by water to obtain the appearance contour of the automobile carpet, and thus obtaining the automobile carpet.
8. The method for manufacturing carpet for automobile as claimed in claim 7, wherein in the step (1), the gap of the press roll is 1-3 mm; in the step (2), the electrode power of the corona treatment is 2100w-3100w, and the passing speed of the layered material is 200-300 mm/s.
9. The method for manufacturing the carpet for the automobile as claimed in claim 7, wherein in the step (3), the plastic-sucking molding treatment method comprises the steps of baking the sheet in an oven at 170-190 ℃ for 50-70 seconds, conveying the sheet to a mold through a conveyer belt, turning on a vacuum switch, and carrying out plastic-sucking molding under the condition that the vacuum pressure is 3-5 kg.
10. The method for manufacturing a carpet for an automobile as claimed in claim 7 or 9, wherein in the step (3), the non-slip texture is processed on the layered material obtained in the step (2) by a plastic suction molding process.
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| CN202010049732.5A CN111186200A (en) | 2020-01-16 | 2020-01-16 | Carpet for automobile and manufacturing method thereof |
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| CN202010049732.5A CN111186200A (en) | 2020-01-16 | 2020-01-16 | Carpet for automobile and manufacturing method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112172268A (en) * | 2020-09-22 | 2021-01-05 | 一汽奔腾轿车有限公司 | Novel automotive carpet material |
| CN112659606A (en) * | 2020-12-03 | 2021-04-16 | 上海新安汽车隔音毡有限公司 | Automotive main carpet with anti-skid function and manufacturing method thereof |
| CN114055893A (en) * | 2020-08-07 | 2022-02-18 | 上海汽车集团股份有限公司 | Automotive carpet gives sound insulation and fills up and car |
| CN114274521A (en) * | 2021-12-15 | 2022-04-05 | 东风汽车集团股份有限公司 | Processing method of sound absorption cotton, sound absorption cotton and wheel cover type sound absorption cotton |
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| CN108116007A (en) * | 2016-11-29 | 2018-06-05 | 上海新安汽车隔音毡有限公司 | Automobile engine nacelle sound-heat insulated cushion of composite construction and preparation method thereof |
| CN209022557U (en) * | 2018-06-08 | 2019-06-25 | 昆山九子莲汽车隔音材料有限公司 | A kind of Low-cost, easy-to-clean taxi carpet backing and installation system |
| CN208914720U (en) * | 2018-10-12 | 2019-05-31 | 北京车和家信息技术有限公司 | Carpet for automobile and vehicle |
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| CN112172268A (en) * | 2020-09-22 | 2021-01-05 | 一汽奔腾轿车有限公司 | Novel automotive carpet material |
| CN112659606A (en) * | 2020-12-03 | 2021-04-16 | 上海新安汽车隔音毡有限公司 | Automotive main carpet with anti-skid function and manufacturing method thereof |
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