Special plastic interior trim part for automobile air conditioner

Abstract

The special plastic interior trim part for the automobile air conditioner comprises a plastic interior trim part body, and an interior trim part opening groove is formed in the middle of the plastic interior trim part body; the plastic interior trim part body comprises an interior trim part supporting base plate, a bi-component sound-absorbing cotton plate is arranged in the interior trim part supporting base plate in a wrapped and buried mode, the interior trim part supporting base plate is provided with a plurality of supporting, buffering and damping cavities in the bi-component sound-absorbing cotton plate, and the supporting, buffering and damping cavities are filled with non-Newtonian fluid colloid. The plastic interior trim part of the automobile air conditioner adopts a structure similar to a panel of the automobile air conditioner, the plastic interior trim part is completely matched with the panel of the automobile air conditioner, a plastic material which is commonly used in the interior trim part is continuously modified, carbon fibers, chitosan and organic rare earth are introduced for micro-modification of the material, the strength of the interior trim part is improved, sound-absorbing cotton is introduced as an inner layer material, and the sound-absorbing cotton is used as an outer layer material. The suction damping effect of the interior trim part is improved, falling or deformation of the interior trim part caused by vibration is avoided, the service life of the plastic interior trim part is prolonged, and the rigidity of the plastic interior trim part is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of air-conditioning interior parts, and particularly to a special plastic interior part for an automotive air conditioner. Background Art

[0002] New energy vehicles are not only an innovation in transportation means, but also an important transformation involving multiple fields such as energy strategy, environmental protection, scientific and technological progress, and industrial structure adjustment, which has far-reaching significance for building a low-carbon society and achieving sustainable development goals. With the deepening of the global commitment to emissions reduction and the general improvement of environmental awareness, the development and prospects of new energy vehicles show a very positive trend.

[0003] Generally, the disassembly of an automotive air-conditioning panel switch usually involves deforming or breaking the interference-fitted snap fasteners on the automotive air-conditioning panel switch, or even damaging the surface of the automotive air-conditioning panel, so as to disassemble the automotive air-conditioning panel switch. This not only affects production efficiency but also causes damage to components, resulting in many unnecessary losses.

[0004] Generally, the interior parts on an ordinary automotive air-conditioning panel are made of plastic sheets, and their strength is often unsatisfactory. Even a slight impact will cause cracks or even damage to the interior parts. Therefore, it is necessary to strengthen the performance and structure of the air-conditioning interior parts to improve their service life. Summary of the Invention

[0005] Aiming at the deficiencies of the above-mentioned existing technologies, the main purpose of the present invention is to provide a special plastic interior part for an automotive air conditioner. The plastic interior part of the automotive air conditioner adopts a structure similar to that of the automotive air-conditioning panel to achieve complete fit with the automotive air-conditioning panel. The commonly used plastic material inside the interior part is further modified by introducing carbon fiber, chitosan, and organic rare earth for micro-modification, greatly enhancing the strength of the interior part. By introducing sound-absorbing cotton as the inner layer material of the interior part, the sound-absorbing and shock-absorbing effects of the interior part are significantly improved, avoiding the interior part from falling off or deforming due to vibration, and overall improving the service life, strength, and stiffness of the plastic interior part.

[0006] The technical solution adopted to achieve the purpose of the present invention is as follows: A special plastic interior part for automotive air conditioners, including a plastic interior part body. An interior part opening groove is provided in the middle of the plastic interior part body. Interior part reinforcing ribs are connected and arranged on the outer peripheral side of the plastic interior part body. Interior part square offset grooves and interior part circular offset grooves are symmetrically arranged on both sides of the interior part opening groove; The plastic interior part body includes an interior part support substrate. A two-component sound-absorbing cotton board is wrapped and buried inside the interior part support substrate. The interior part support substrate is provided with a number of support buffer and shock-absorbing cavities inside the two-component sound-absorbing cotton board. A non-Newtonian fluid colloid is filled in the support buffer and shock-absorbing cavities. A carbon fiber composite plastic protective film is wrapped on the outer surface of the interior part support substrate.

[0007] Preferably, the interior part support substrate includes the following components by weight percentage: 20 - 40% of carbon fiber and glass fiber double-modified ultra-high molecular weight polyvinyl chloride, 20 - 30% of nano-oxide ceramic matrix modified polyamide resin, 10 - 30% of polysiloxane and polystyrene double-modified polyethersulfone, 20 - 30% of organic solvent, 1 - 3% of chitosan hydrochloride, 1 - 4% of nano-silver modified carbon fiber, 2 - 7% of poly(p-phenylene terephthalamide) short fiber, 2 - 5% of polyimide short fiber, 2 - 8% of organic rare earth, 1 - 5% of silica aerogel, 0.5 - 1.5% of accelerator, 0.3 - 0.6% of dispersant, 0.2 - 0.4% of curing agent, 0.2 - 0.3% of antioxidant.

[0008] Preferably, an interior part air conditioner cold air outlet is installed inside the interior part square offset groove, an interior part air conditioner hot air outlet is installed inside the interior part circular offset groove, and an interior part sound absorption and noise reduction board is installed on the outer peripheral side of the interior part opening groove.

[0009] Preferably, the two-component sound-absorbing cotton board includes the following components by weight percentage: 50 - 60% of component A, 40 - 50% of component B. Among them, component A includes the following components by weight percentage: 32.5 - 63.5% of chitosan hydrochloride and carbon fiber double-modified silicone elastomer, 10.3 - 44.5% of polysiloxane and polystyrene double-modified polyoxydimethylbenzene, 8.5 - 35.8% of polydopamine-modified cellulose acetate resin, 3.5 - 8.8% of organic rare earth, 1.8 - 4.6% of nano-silver modified carbon fiber, 0.5 - 1.5% of accelerator, 0.3 - 0.6% of dispersant, 0.2 - 0.4% of curing agent, 0.2 - 0.3% of antioxidant.

[0010] Preferably, component B comprises the following components by weight percentage: hydroxymethyl cellulose and carbon fiber dual-modified polyethylene terephthalate 22.5 - 53.3%, chitosan hydrochloride-modified polymethyl methacrylate 13.5 - 45.8%, polysialic acid-modified high-toughness radiation-proof silicone rubber 13.4 - 28.9%, chitosan hydrochloride 2.4 - 7.6%, inorganic rare earth 1.4 - 4.2%, accelerator 0.4 - 1.2%, dispersant 1.5 - 6.7%, curing agent 1.5 - 4.5%, antistatic agent 0.2 - 0.6%, defoaming agent 0.1 - 0.3%, antioxidant 0.1 - 0.3%.

[0011] Preferably, the non-Newtonian fluid colloid comprises the following components by weight percentage: chitosan quaternary ammonium salt-modified concentrated latex 10 - 15%, polyacrylamide resin solution 15 - 40%, Fe(OH)3 colloid 5 - 30%, nano-ferromagnetic matrix-modified agar 5 - 25%, polydopamine-modified celluloid glue solution 5 - 15%, artificial plasma 5 - 10%, magnetic powder slurry 10 - 30%.

[0012] Preferably, the thickness of the interior trim part support substrate is greater than or equal to the sum of the thicknesses of the two-component sound-absorbing cotton board, the carbon fiber composite plastic protective film, and the non-Newtonian fluid colloid, and the thickness of the non-Newtonian fluid colloid is greater than or equal to the thickness of the two-component sound-absorbing cotton board.

[0013] Preferably, the thickness of the non-Newtonian fluid colloid is greater than or equal to the sum of the thicknesses of the two-component sound-absorbing cotton board and the carbon fiber composite plastic protective film, and the thickness of the two-component sound-absorbing cotton board is greater than or equal to the thickness of the carbon fiber composite plastic protective film.

[0014] The present invention provides a special plastic interior trim part for an automotive air conditioner, which has the following advantages: The plastic interior trim part of the automotive air conditioner of the present invention adopts a structure similar to that of the automotive air conditioner panel to achieve complete fit with the automotive air conditioner panel. The commonly used plastic materials inside the interior trim part are further modified. By introducing carbon fiber, chitosan, and organic rare earth for micro-modification of the materials, the strength of the interior trim part is greatly improved. By introducing sound-absorbing cotton as the inner layer material of the interior trim part, the sound absorption and shock absorption effect of the interior trim part is significantly improved, avoiding vibration-induced detachment or deformation of the interior trim part, and overall improving the service life, strength, and stiffness of the plastic interior trim part. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a front view structural schematic diagram of the special plastic interior trim part for an automotive air conditioner of the present invention.

[0016] Figure 2 is a side sectional view structural schematic diagram of the special plastic interior trim part for an automotive air conditioner of the present invention.

[0017] In the figure: 1. Plastic interior part body; 2. Interior part opening groove; 3. Interior part reinforcing rib; 4. Interior part square offset groove; 5. Interior part air-conditioning cold air outlet; 6. Interior part circular offset groove; 7. Interior part air-conditioning hot air outlet; 8. Interior part sound absorption and noise reduction board; 9. Interior part support base plate; 10. Two-component sound-absorbing cotton board; 11. Carbon fiber composite plastic protective film; 12. Support buffer and shock absorption cavity; 13. Non-Newtonian fluid colloid. Detailed implementation mode

[0018] The present invention will be further described and explained below in conjunction with specific embodiments and the accompanying drawings of the specification.

[0019] In order to make the purpose, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative work shall fall within the protection scope of the present invention.

[0020] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention. Embodiment 1

[0021] As Figure 1 shown, a special plastic interior part for an automotive air conditioner includes a plastic interior part body 1. An interior part opening groove 2 is provided in the middle of the plastic interior part body 1. Interior part reinforcing ribs 3 are connected and arranged on the outer peripheral side of the plastic interior part body 1. Interior part square offset grooves 4 and interior part circular offset grooves 6 are symmetrically arranged on both sides of the interior part opening groove 2. An interior part air-conditioning cold air outlet 5 is installed inside the interior part square offset groove 4, and an interior part air-conditioning hot air outlet 7 is installed inside the interior part circular offset groove 6. An interior part sound absorption and noise reduction board 8 is installed on the outer peripheral side of the interior part opening groove 2.

[0022] As Figure 1 、 2 shown, a special plastic interior part for an automotive air conditioner. The plastic interior part body 1 includes an interior part support base plate 9. A two-component sound-absorbing cotton board 10 is wrapped and embedded inside the interior part support base plate 9. A number of support buffer and shock absorption cavities 12 are provided in the interior part support base plate 9 inside the two-component sound-absorbing cotton board 10. Non-Newtonian fluid colloid 13 is filled inside the support buffer and shock absorption cavities 12. A carbon fiber composite plastic protective film 11 is wrapped on the outer surface of the interior part support base plate 9.

[0023] As shown in Figure 1 , 2 a special plastic interior part for automotive air conditioners, the interior part support substrate 9 comprises the following components by weight percentage: 20% of carbon fiber and glass fiber double-modified ultra-high molecular weight polyvinyl chloride, 20% of nano-oxide ceramic matrix modified polyamide resin, 22.4% of polysiloxane and polystyrene double-modified polyethersulfone, 23.4% of organic solvent, 1% of chitosan hydrochloride, 1% of nano-silver modified carbon fiber, 2% of poly(p-phenyleneterephthalamide) short fiber, 2% of polyimide short fiber, 2% of organic rare earth, 5% of silica aerogel, 0.5% of accelerator, 0.3% of dispersant, 0.2% of curing agent, 0.2% of antioxidant.

[0024] As shown in Figure 1 , 2 a special plastic interior part for automotive air conditioners, the two-component sound-absorbing cotton board 10 comprises the following components by weight percentage: 53% of component A and 47% of component B. Among them, component A comprises the following components by weight percentage: 49.3% of chitosan hydrochloride and carbon fiber double-modified silicone elastomer, 35.7% of polysiloxane and polystyrene double-modified polyoxydimethylbenzene, 8.5% of polydopamine modified cellulose acetate resin, 3.5% of organic rare earth, 1.8% of nano-silver modified carbon fiber, 0.5% of accelerator, 0.3% of dispersant, 0.2% of curing agent, 0.2% of antioxidant.

[0025] As shown in Figure 1 , 2 component B comprises the following components by weight percentage: 42.9% of hydroxymethyl cellulose and carbon fiber double-modified polyethylene terephthalate, 36.1% of chitosan hydrochloride modified polymethyl methacrylate, 13.4% of polysialic acid modified high-toughness radiation-proof silicone rubber, 2.4% of chitosan hydrochloride, 1.4% of inorganic rare earth, 0.4% of accelerator, 1.5% of dispersant, 1.5% of curing agent, 0.2% of antistatic agent, 0.1% of defoaming agent, 0.1% of anti-aging agent.

[0026] As shown in Figure 1 , 2 a special plastic interior part for automotive air conditioners, the non-Newtonian fluid colloid 13 comprises the following components by weight percentage: 10% of chitosan quaternary ammonium salt modified concentrated latex, 15% of polyacrylamide resin solution, 5% of Fe(OH)3 colloid, 25% of nano-ferromagnetic matrix modified agar, 15% of polydopamine modified celluloid solution, 10% of artificial plasma, 20% of magnetic powder slurry.

[0027] Furthermore, the thickness of the interior part support substrate 9 is greater than or equal to the sum of the thicknesses of the two-component sound-absorbing cotton board 10, the carbon fiber composite plastic protective film 11, and the non-Newtonian fluid colloid 13. The thickness of the non-Newtonian fluid colloid 13 is greater than or equal to the thickness of the two-component sound-absorbing cotton board 10; the thickness of the non-Newtonian fluid colloid 13 is greater than or equal to the sum of the thicknesses of the two-component sound-absorbing cotton board 10 and the carbon fiber composite plastic protective film 11, and the thickness of the two-component sound-absorbing cotton board 10 is greater than or equal to the thickness of the carbon fiber composite plastic protective film 11.

[0028] During use, directly attach and install the special plastic interior part for automotive air conditioners at the front end of the automotive air conditioner. Align the interior part opening slot 2 with the air outlet of the automotive air conditioner, and adjust the air outlet of the automotive air conditioner to align with the interior part air conditioner cold air outlet 5 and the interior part air conditioner hot air outlet 7 to achieve the blowing of cold and hot air. Embodiment 2

[0029] The difference between this embodiment and Embodiment 1 is as follows: As Figure 1 、 2 shown, for a special plastic interior part for automotive air conditioners, the interior part support substrate 9 includes the following components by weight percentage: 20% of carbon fiber and glass fiber dual-modified ultra-high molecular weight polyvinyl chloride, 23.4% of nano-oxide ceramic matrix modified polyamide resin, 10% of polysiloxane and polystyrene dual-modified polyethersulfone, 23.9% of organic solvent, 3% of chitosan hydrochloride, 3% of nano-silver modified carbon fiber, 6% of poly-p-phenylene terephthalamide short fiber, 4% of polyimide short fiber, 3% of organic rare earth, 2% of silica aerogel, 0.7% of accelerator, 0.4% of dispersant, 0.3% of curing agent, and 0.3% of antioxidant.

[0030] As Figure 1 、 2 shown, for a special plastic interior part for automotive air conditioners, the two-component sound-absorbing cotton board 10 includes the following components by weight percentage: 55% of Component A and 45% of Component B. Among them, Component A includes the following components by weight percentage: 34.8% of chitosan hydrochloride and carbon fiber dual-modified silicone elastomer, 27.2% of polysiloxane and polystyrene dual-modified polyoxydimethylbenzene, 28.7% of polydopamine-modified cellulose acetate resin, 4.3% of organic rare earth, 3.2% of nano-silver modified carbon fiber, 0.8% of accelerator, 0.5% of dispersant, 0.3% of curing agent, and 0.2% of antioxidant.

[0031] As Figure 1 、 2As shown in the figure, a special plastic interior part for automotive air conditioners, Component B includes the following components by weight percentage: 34.7% of hydroxymethyl cellulose and carbon fiber dual-modified polyethylene terephthalate, 31.8% of chitosan hydrochloride-modified polymethyl methacrylate, 22.3% of polysialic acid-modified high-toughness radiation-proof silicone rubber, 3.1% of chitosan hydrochloride, 2.6% of inorganic rare earth, 0.6% of accelerator, 2.3% of dispersant, 1.9% of curing agent, 0.3% of antistatic agent, 0.2% of defoamer, 0.2% of antioxidant.

[0032] As Figure 1 , 2 As shown in the figure, a special plastic interior part for automotive air conditioners, the non-Newtonian fluid colloid 13 includes the following components by weight percentage: 15% of chitosan quaternary ammonium salt-modified concentrated latex, 40% of polyacrylamide resin solution, 5% of Fe(OH)3 colloid, 5% of nano-ferromagnetic matrix-modified agar, 15% of polydopamine-modified celluloid solution, 10% of artificial plasma, 10% of magnetic powder slurry. Example 3

[0033] The difference between this example and Examples 1 and 2 is that: As Figure 1 , 2 As shown in the figure, a special plastic interior part for automotive air conditioners, the interior part support substrate 9 includes the following components by weight percentage: 29% of carbon fiber and glass fiber dual-modified ultra-high molecular weight polyvinyl chloride, 20% of nano-oxide ceramic matrix-modified polyamide resin, 10% of polysiloxane and polystyrene dual-modified polyethersulfone, 25.6% of organic solvent, 2% of chitosan hydrochloride, 2% of nano-silver-modified carbon fiber, 3% of poly(p-phenylene terephthalamide) short fiber, 2% of polyimide short fiber, 3% of organic rare earth, 1% of silica aerogel, 1.5% of accelerator, 0.3% of dispersant, 0.4% of curing agent, 0.2% of antioxidant.

[0034] As Figure 1 , 2 As shown in the figure, a special plastic interior part for automotive air conditioners, the two-component sound-absorbing cotton board 10 includes the following components by weight percentage: 50% of Component A and 50% of Component B. Among them, Component A includes the following components by weight percentage: 48.7% of chitosan hydrochloride and carbon fiber dual-modified silicone elastomer, 23.4% of polysiloxane and polystyrene dual-modified polyoxydimethylbenzene, 18.9% of polydopamine-modified cellulose acetate resin, 4.8% of organic rare earth, 1.8% of nano-silver-modified carbon fiber, 1.5% of accelerator, 0.3% of dispersant, 0.4% of curing agent, 0.2% of antioxidant.

[0035] AsFigure 1 , 2 As shown in 2 , a special plastic interior part for automotive air conditioners, Component B includes the following components by weight percentage: 42.0% of hydroxymethyl cellulose and carbon fiber double-modified polyethylene terephthalate, 26.5% of chitosan hydrochloride-modified polymethyl methacrylate, 18.3% of polysialic acid-modified high-toughness radiation-proof silicone rubber, 3.6% of chitosan hydrochloride, 2.2% of inorganic rare earth, 0.7% of accelerator, 3.7% of dispersant, 2.5% of curing agent, 0.2% of antistatic agent, 0.3% of defoaming agent, and 0.1% of antioxidant.

[0036] As Figure 1 , 2 As shown in Figure 1 , a special plastic interior part for automotive air conditioners, the non-Newtonian fluid colloid 13 includes the following components by weight percentage: 10% of chitosan quaternary ammonium salt-modified concentrated latex, 15% of polyacrylamide resin solution, 30% of Fe(OH)3 colloid, 5% of nano-ferromagnetic matrix-modified agar, 5% of polydopamine-modified celluloid solution, 5% of artificial plasma, and 30% of magnetic powder slurry. Example 4

[0037] The difference between this example and Examples 1, 2, and 3 is that: As Figure 1 , 2 As shown in Figure 1 , a special plastic interior part for automotive air conditioners, the interior part support substrate 9 includes the following components by weight percentage: 29.8% of carbon fiber and glass fiber double-modified ultra-high molecular weight polyvinyl chloride, 20% of nano-oxide ceramic matrix-modified polyamide resin, 20% of polysiloxane and polystyrene double-modified polyethersulfone, 20% of organic solvent, 1% of chitosan hydrochloride, 1% of nano-silver-modified carbon fiber, 2% of poly(p-phenylene terephthalamide) short fibers, 2% of polyimide short fibers, 2% of organic rare earth, 1% of silica aerogel, 0.5% of accelerator, 0.3% of dispersant, 0.2% of curing agent, and 0.2% of antioxidant.

[0038] As Figure 1 , 2 As shown in Figure 1 , a special plastic interior part for automotive air conditioners, the two-component sound-absorbing cotton board 10 includes the following components by weight percentage: 60% of Component A and 40% of Component B. Among them, Component A includes the following components by weight percentage: 43.3% of chitosan hydrochloride and carbon fiber double-modified silicone elastomer, 23.7% of polysiloxane and polystyrene double-modified polyoxydimethylbenzene, 26.5% of polydopamine-modified cellulose acetate resin, 3.5% of organic rare earth, 1.8% of nano-silver-modified carbon fiber, 0.5% of accelerator, 0.3% of dispersant, 0.2% of curing agent, and 0.2% of antioxidant.

[0039] As Figure 1 、 2 shown, a special plastic interior part for automotive air conditioners, component B includes the following components by weight percentage: 38.1% of hydroxymethyl cellulose and carbon fiber double-modified polyethylene terephthalate, 34.2% of chitosan hydrochloride-modified polymethyl methacrylate, 20.1% of polysialic acid-modified high-toughness anti-radiation silicone rubber, 2.4% of chitosan hydrochloride, 1.4% of inorganic rare earth, 0.4% of accelerator, 1.5% of dispersant, 1.5% of curing agent, 0.2% of antistatic agent, 0.1% of defoaming agent, 0.1% of antioxidant.

[0040] As Figure 1 、 2 shown, a special plastic interior part for automotive air conditioners, the non-Newtonian fluid colloid 13 includes the following components by weight percentage: 10% of chitosan quaternary ammonium salt-modified concentrated latex, 40% of polyacrylamide resin solution, 5% of Fe(OH)3 colloid, 5% of nano-ferromagnetic matrix-modified agar, 5% of polydopamine-modified celluloid glue solution, 5% of artificial plasma, 30% of magnetic powder slurry.

[0041] In the present invention, the plastic interior part of the automotive air conditioner adopts a structure similar to that of the automotive air conditioner panel to achieve a perfect fit with the automotive air conditioner panel. The commonly used plastic materials are further modified inside the interior part. By introducing carbon fiber, chitosan, and organic rare earth, the material is slightly modified, greatly improving the strength of the interior part. By introducing sound-absorbing cotton as the inner layer material of the interior part, the sound-absorbing and shock-absorbing effect of the interior part is significantly improved, avoiding the interior part from falling off or deforming due to vibration, and overall improving the service life, strength, and stiffness of the plastic interior part.

[0042] The technical solutions disclosed in the embodiments of the present invention have been introduced in detail above. Specific embodiments are used in this article to elaborate on the principles and implementation manners of the embodiments of the present invention. The descriptions of the above embodiments are only applicable to help understand the principles of the embodiments of the present invention. At the same time, for those of ordinary skill in the art, based on the embodiments of the present invention, there will be changes in the specific implementation manners and application scopes. In summary, the content of this specification should not be construed as a limitation of the present invention.

Claims

1. A special plastic interior part for automotive air conditioners, characterized in that: It includes a plastic interior part body (1). An interior part opening groove (2) is arranged in the middle of the plastic interior part body (1). Interior part reinforcing ribs (3) are connected and arranged on the outer peripheral side of the plastic interior part body (1). Interior part square offset grooves (4) and interior part circular offset grooves (6) are symmetrically arranged on both sides of the interior part opening groove (2). The plastic interior part body (1) includes an interior part support substrate (9). A two-component sound-absorbing cotton board (10) is wrapped and embedded inside the interior part support substrate (9). A number of support buffer and shock-absorbing cavities (12) are arranged inside the interior part support substrate (9) within the two-component sound-absorbing cotton board (10). A non-Newtonian fluid colloid (13) is filled inside the support buffer and shock-absorbing cavities (12). A carbon fiber composite plastic protective film (11) is wrapped and arranged on the outer surface of the interior part support substrate (9). The interior part support substrate (9) includes the following components by weight percentage: 20 - 40% of carbon fiber and glass fiber double-modified ultra-high molecular weight polyvinyl chloride, 20 - 30% of nano-oxide ceramic matrix modified polyamide resin, 10 - 30% of polysiloxane and polystyrene double-modified polyethersulfone, 20 - 30% of organic solvent, 1 - 3% of chitosan hydrochloride, 1 - 4% of nano-silver modified carbon fiber, 2 - 7% of poly(p-phenylene terephthalamide) short fiber, 2 - 5% of polyimide short fiber, 2 - 8% of organic rare earth, 1 - 5% of silica aerogel, 0.5 - 1.5% of accelerator, 0.3 - 0.6% of dispersant, 0.2 - 0.4% of curing agent, 0.2 - 0.3% of antioxidant.

2. The special plastic interior parts for automotive air conditioners according to claim 1, characterized in that: An interior part air-conditioning cold air outlet (5) is installed inside the interior part square offset groove (4). An interior part air-conditioning hot air outlet (7) is installed inside the interior part circular offset groove (6). An interior part sound-absorbing and noise-reducing board (8) is installed on the outer peripheral side of the interior part opening groove (2).

3. The special plastic interior part for automotive air conditioners according to claim 1, characterized in that: The two-component sound-absorbing cotton board (10) includes the following components by weight percentage: 50 - 60% of component A, 40 - 50% of component B. Among them, component A includes the following components by weight percentage: 32.5 - 63.5% of chitosan hydrochloride and carbon fiber double-modified silicone elastomer, 10.3 - 44.5% of polysiloxane and polystyrene double-modified polyoxydimethylbenzene, 8.5 - 35.8% of polydopamine-modified cellulose acetate resin, 3.5 - 8.8% of organic rare earth, 1.8 - 4.6% of nano-silver modified carbon fiber, 0.5 - 1.5% of accelerator, 0.3 - 0.6% of dispersant, 0.2 - 0.4% of curing agent, 0.2 - 0.3% of antioxidant.

4. The special plastic interior part for automotive air conditioners according to claim 3, characterized in that: The component B includes the following components by weight percentage: hydroxymethyl cellulose and carbon fiber double-modified polyethylene terephthalate 22.5 - 53.3%, chitosan hydrochloride-modified polymethyl methacrylate 13.5 - 45.8%, polysialic acid-modified high-toughness radiation-proof silicone rubber 13.4 - 28.9%, chitosan hydrochloride 2.4 - 7.6%, inorganic rare earth 1.4 - 4.2%, accelerator 0.4 - 1.2%, dispersant 1.5 - 6.7%, curing agent 1.5 - 4.5%, antistatic agent 0.2 - 0.6%, defoaming agent 0.1 - 0.3%, antioxidant 0.1 - 0.3%.

5. The special plastic interior part for automotive air conditioners according to claim 1, characterized in that: The non-Newtonian fluid colloid (13) includes the following components by weight percentage: chitosan quaternary ammonium salt-modified concentrated latex 10 - 15%, polyacrylamide resin solution 15 - 40%, Fe(OH)3 colloid 5 - 30%, nano-ferromagnetic matrix-modified agar 5 - 25%, polydopamine-modified celluloid glue solution 5 - 15%, artificial plasma 5 - 10%, magnetic powder slurry 10 - 30%.

6. The special plastic interior part for automotive air conditioners according to claim 1, characterized in that: The thickness of the interior part support substrate (9) is greater than or equal to the sum of the thicknesses of the two-component sound-absorbing cotton board (10), the carbon fiber composite plastic protective film (11), and the non-Newtonian fluid colloid (13), and the thickness of the non-Newtonian fluid colloid (13) is greater than or equal to the thickness of the two-component sound-absorbing cotton board (10).

7. The special plastic interior part for automotive air conditioners according to claim 1, characterized in that: The thickness of the non-Newtonian fluid colloid (13) is greater than or equal to the sum of the thicknesses of the two-component sound-absorbing cotton board (10) and the carbon fiber composite plastic protective film (11), and the thickness of the two-component sound-absorbing cotton board (10) is greater than or equal to the thickness of the carbon fiber composite plastic protective film (11).

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