CN115322507A - Ultra-low energy consumption automobile interior trim part and production process thereof - Google Patents
Ultra-low energy consumption automobile interior trim part and production process thereof Download PDFInfo
- Publication number
- CN115322507A CN115322507A CN202210964497.3A CN202210964497A CN115322507A CN 115322507 A CN115322507 A CN 115322507A CN 202210964497 A CN202210964497 A CN 202210964497A CN 115322507 A CN115322507 A CN 115322507A
- Authority
- CN
- China
- Prior art keywords
- interior trim
- trim part
- energy consumption
- ultra
- modified polypropylene
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005265 energy consumption Methods 0.000 title claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 title description 10
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000004743 Polypropylene Substances 0.000 claims abstract description 25
- -1 polypropylene Polymers 0.000 claims abstract description 25
- 229920001155 polypropylene Polymers 0.000 claims abstract description 25
- 238000001746 injection moulding Methods 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 14
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims abstract description 14
- 239000004926 polymethyl methacrylate Substances 0.000 claims abstract description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000002041 carbon nanotube Substances 0.000 claims abstract description 12
- 229910021393 carbon nanotube Inorganic materials 0.000 claims abstract description 12
- WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical compound [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 claims abstract description 12
- 235000010234 sodium benzoate Nutrition 0.000 claims abstract description 12
- 239000004299 sodium benzoate Substances 0.000 claims abstract description 12
- 239000011954 Ziegler–Natta catalyst Substances 0.000 claims abstract description 11
- 239000004744 fabric Substances 0.000 claims abstract description 11
- 238000002156 mixing Methods 0.000 claims abstract description 10
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000007791 dehumidification Methods 0.000 claims description 3
- 230000035945 sensitivity Effects 0.000 claims description 3
- 239000013589 supplement Substances 0.000 claims description 3
- 239000000047 product Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 229920006351 engineering plastic Polymers 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
- C08K3/041—Carbon nanotubes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/098—Metal salts of carboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3412—Heterocyclic compounds having nitrogen in the ring having one nitrogen atom in the ring
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Nanotechnology (AREA)
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses an ultra-low energy consumption automotive interior part, which comprises: the interior trim part comprises an interior trim part body and fibrilia cloth wrapping the interior trim part body, wherein the interior trim part body is formed by injection molding of modified polypropylene, the modified polypropylene is prepared by taking polymethyl methacrylate as a base material and blending caprolactam, carbon nano tubes and sodium benzoate in a Ziegler-Natta catalyst system, and the mass ratio of the modified polypropylene to the inner wall of the interior trim part body is 100:50:20:2. according to the invention, polymethyl methacrylate is used as a base material, caprolactam, carbon nano tubes and sodium benzoate are matched to be blended in a Ziegler-Natta catalyst system to prepare modified polypropylene, an interior trim part blank is obtained through injection molding, and then fibrilia cloth is coated to form the automotive interior trim part with ultra-low energy consumption, so that the energy consumption is reduced, the cost is saved, and the product quality is reliable.
Description
Technical Field
The invention belongs to the technical field of automobile interior trim part production, and particularly relates to an ultra-low energy consumption automobile interior trim part and a production process thereof.
Background
Most of automotive interiors are special-shaped, the injection molding process is mostly adopted during molding, the injection molding materials are mostly engineering plastics such as pp, ASA, PET and the like, bubbles are easily generated due to the influence of water per se during injection molding, the surface quality is influenced, the product percent of pass is low, the material cost is reduced, the consumed power consumption is high, the production efficiency is low, the automotive interiors are difficult to adapt to, the molding speed is low, and the long-term work is not facilitated. Therefore, a production process capable of utilizing a novel modified material to form an automotive interior part, reducing energy consumption, saving cost and ensuring product quality is urgently needed.
Disclosure of Invention
In view of the above, the technical problem to be solved by the present invention is to provide an automotive interior part with ultra-low energy consumption and a production process thereof, which are used for avoiding the troubles of low quality performance, low yield, large loss and low production process efficiency caused by the adoption of common engineering plastics in the past.
In order to solve the technical problem, the invention discloses an ultra-low energy consumption automotive interior part, which comprises:
the interior trim part comprises an interior trim part body and fibrilia cloth wrapping the interior trim part body, wherein the interior trim part body is formed by injection molding of modified polypropylene, the modified polypropylene is prepared by taking polymethyl methacrylate as a base material and blending caprolactam, carbon nano tubes and sodium benzoate in a Ziegler-Natta catalyst system, and the mass ratio of the materials is 100:50:20:2.
the invention also discloses a production process of the ultra-low energy consumption automobile interior trim part, which comprises the following steps:
step a, providing a mixture of 100:50:20:2, mixing the polymethyl methacrylate, caprolactam, carbon nano tubes and sodium benzoate in a Ziegler-Natta catalyst system to prepare modified polypropylene particles;
b, placing the modified polypropylene particles in a dehumidification dryer or a circulating air dryer for drying, and removing excessive water, wherein the drying temperature is 80-95 ℃, and the drying time is 3-4h;
c, putting the dried modified polypropylene particles into an injection molding machine, and performing injection molding by matching with an interior trim part mold, wherein the injection molding temperature is 230-245 ℃; the injection pressure is 80-140MPa; the injection rate is 30-60mm/s; the rotating speed of the screw is 30-50r/min; the back pressure is 5-10MPa;
d, placing the injection-molded interior trim part on the basis of normal temperature to supplement water to achieve the aim of normal water content, wherein the time is 2-4day, so that the sensitivity of the interior trim part relatively adapting to the air humidity and temperature change is reduced;
and e, coating adhesive on the surface of the interior trim part to adhere the fibrilia cloth.
According to an embodiment of the present invention, in the step c, the mold temperature is 60-90 ℃.
According to an embodiment of the present invention, the male mold temperature is 60 ℃, the female mold temperature is 80 ℃, the cycle time is 70-90s, and the cooling time is 35-45s.
According to an embodiment of the present invention, the injection moisture in step b is controlled within 0.04%.
Compared with the prior art, the invention can obtain the following technical effects:
the modified polypropylene is prepared by blending polymethyl methacrylate serving as a base material, caprolactam, carbon nano tubes and sodium benzoate in a Ziegler-Natta catalyst system, an interior trim part blank is obtained by injection molding, and then fibrilia cloth is coated to form the automotive interior trim part with ultra-low energy consumption, so that the energy consumption is reduced, the cost is saved, and the product quality is reliable.
Of course, it is not necessary for any one product in which the invention is practiced to achieve all of the above-described technical effects simultaneously.
Detailed Description
The following embodiments are described in detail with reference to the accompanying drawings, so that the implementation process of the present invention for solving the technical problems and achieving the technical effects by applying technical means can be fully understood and implemented.
The invention discloses an ultra-low energy consumption automotive interior part, which comprises:
the interior trim part comprises an interior trim part body and fibrilia cloth wrapping the interior trim part body, wherein the interior trim part body is formed by injection molding of modified polypropylene, the modified polypropylene is prepared by taking polymethyl methacrylate as a base material and blending caprolactam, carbon nano tubes and sodium benzoate in a Ziegler-Natta catalyst system, and the mass ratio of the modified polypropylene to the inner wall of the interior trim part body is 100:50:20:2.
the automotive interior part consists of an interior part body and an outer layer of fibrilia cloth, wherein the interior part body is integrally formed by injection molding modified polypropylene, the modified polypropylene is prepared by taking polymethyl methacrylate as a base material and blending caprolactam, carbon nano tubes and sodium benzoate in a Ziegler-Natta catalyst system, and the mass ratio of the four is 100:50:20:2. the polymethyl methacrylate is used as a basic base material and is a high-strength PMMA material, the caprolactam is nylon, the polymethyl methacrylate and the caprolactam can be modified and blended, and the carbon nano tube further improves the strength of the plastic and the performance quality of the product. Sodium benzoate is an organic matter, has an anti-corrosion effect, and can enhance the blending and crosslinking effects by being properly added.
The invention also discloses a production process of the ultra-low energy consumption automobile interior trim part, which comprises the following steps:
step a, providing a mixture of 100:50:20:2, mixing the polymethyl methacrylate, caprolactam, carbon nano tubes and sodium benzoate in a Ziegler-Natta catalyst system to prepare modified polypropylene particles;
b, placing the modified polypropylene particles in a dehumidification dryer or a circulating air dryer for drying, and removing redundant moisture, wherein the drying temperature is 80-95 ℃, and the drying time is 3-4 hours; in the step b, the injection moisture is controlled within 0.04 percent, so that the modified polypropylene particles are dried, the generation of bubbles is reduced, and the surface quality is improved.
C, putting the dried modified polypropylene particles into an injection molding machine, and performing injection molding by matching with an interior trim part mold, wherein the injection molding temperature is 230-245 ℃; the injection pressure is 80-140MPa; the injection rate is 30-60mm/s; the rotating speed of the screw is 30-50r/min; the back pressure is 5-10MPa; the temperature of the mould is 60-90 ℃. Furthermore, the male mold temperature is 60 ℃, the female mold temperature is 80 ℃, the cycle time is 70-90s, and the cooling time is 35-45s.
D, placing the injection molded interior trim part on the basis of normal temperature to supplement water to reach the aim of normal water content, wherein the time is 2-4day, so that the sensitivity of the interior trim part relatively adapting to the air humidity and temperature change is reduced;
and e, coating adhesive on the surface of the interior trim part to adhere the fibrilia cloth.
In conclusion, the invention uses polymethyl methacrylate as a base material, and blends caprolactam, carbon nano tubes and sodium benzoate in a Ziegler-Natta catalyst system to prepare modified polypropylene, obtains an interior trim part blank through injection molding, and then coats fibrilia cloth to form the ultra-low energy consumption automobile interior trim part, thereby reducing energy consumption, saving cost and having reliable product quality.
The foregoing description shows and describes several preferred embodiments of the invention, but as aforementioned, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. The ultra-low energy consumption automotive interior part comprises an interior part body and fibrilia cloth coated on the interior part body, and is characterized in that the interior part body is formed by injection molding of modified polypropylene, wherein the modified polypropylene is prepared by taking polymethyl methacrylate as a base material and blending caprolactam, carbon nano tubes and sodium benzoate in a Ziegler-Natta catalyst system, wherein the mass ratio of the materials is 100:50:20:2.
2. the process for producing the ultra-low energy consumption automotive interior trim part according to claim 1, wherein the process comprises the following steps:
step a, providing a mixture of 100:50:20:2, mixing the polymethyl methacrylate, caprolactam, carbon nano tubes and sodium benzoate in a Ziegler-Natta catalyst system to prepare modified polypropylene particles;
b, placing the modified polypropylene particles in a dehumidification dryer or a circulating air dryer for drying, and removing redundant moisture, wherein the drying temperature is 80-95 ℃, and the drying time is 3-4 hours;
c, putting the dried modified polypropylene particles into an injection molding machine, and performing injection molding by matching with an interior trim part mold, wherein the injection molding temperature is 230-245 ℃; the injection pressure is 80-140MPa; the injection rate is 30-60mm/s; the rotating speed of the screw is 30-50r/min; the back pressure is 5-10MPa;
d, placing the injection-molded interior trim part on the basis of normal temperature to supplement water to achieve the aim of normal water content, wherein the time is 2-4day, so that the sensitivity of the interior trim part relatively adapting to the air humidity and temperature change is reduced;
and e, coating adhesive on the surface of the interior trim part to adhere the fibrilia cloth.
3. The process for producing the automotive interior trim part with ultra-low energy consumption according to claim 1, wherein in the step c, the mold temperature is 60-90 ℃.
4. The process for producing the automotive interior with ultra-low energy consumption of claim 3, wherein the male mold temperature is 60 ℃, the female mold temperature is 80 ℃, the cycle time is 70-90s, and the cooling time is 35-45s.
5. The process for producing the automotive interior trim part with ultra-low energy consumption according to claim 1, wherein the injection moisture in the step b is controlled within 0.04%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210964497.3A CN115322507A (en) | 2022-08-12 | 2022-08-12 | Ultra-low energy consumption automobile interior trim part and production process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210964497.3A CN115322507A (en) | 2022-08-12 | 2022-08-12 | Ultra-low energy consumption automobile interior trim part and production process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115322507A true CN115322507A (en) | 2022-11-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210964497.3A Pending CN115322507A (en) | 2022-08-12 | 2022-08-12 | Ultra-low energy consumption automobile interior trim part and production process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115322507A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102051013A (en) * | 2009-06-19 | 2011-05-11 | 深圳市毅彩鸿翔塑料有限公司 | Composite plastic and plastic product |
| CN107129632A (en) * | 2017-06-05 | 2017-09-05 | 岳西县同兴尼龙橡胶制品有限公司 | A kind of jute fiber reinforced polypropylene automotive upholstery injection moulding process |
| CN110483932A (en) * | 2019-08-26 | 2019-11-22 | 上海华合复合材料有限公司 | A kind of high heat resistance, high-environmental, scratch-resistant exempt from spray PMMA alloy material and preparation method thereof |
| CN112409738A (en) * | 2020-11-06 | 2021-02-26 | 重庆长安汽车股份有限公司 | Spraying-free material and manufacturing method of spraying-free ornament for automotive interior |
-
2022
- 2022-08-12 CN CN202210964497.3A patent/CN115322507A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102051013A (en) * | 2009-06-19 | 2011-05-11 | 深圳市毅彩鸿翔塑料有限公司 | Composite plastic and plastic product |
| CN107129632A (en) * | 2017-06-05 | 2017-09-05 | 岳西县同兴尼龙橡胶制品有限公司 | A kind of jute fiber reinforced polypropylene automotive upholstery injection moulding process |
| CN110483932A (en) * | 2019-08-26 | 2019-11-22 | 上海华合复合材料有限公司 | A kind of high heat resistance, high-environmental, scratch-resistant exempt from spray PMMA alloy material and preparation method thereof |
| CN112409738A (en) * | 2020-11-06 | 2021-02-26 | 重庆长安汽车股份有限公司 | Spraying-free material and manufacturing method of spraying-free ornament for automotive interior |
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| PB01 | Publication | ||
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Application publication date: 20221111 |