Wear-resistant and impact-resistant automobile door decorative plate

Abstract

The invention discloses a wear-resistant and impact-resistant automobile door decorative plate which is prepared from the following components in parts by weight: 100 parts of polycarbonate, 5-20 parts of glass fiber reinforced PA66, 1-5 parts of a combustion improver and 0.5-5 parts of an antioxidant. According to the invention, the glass fiber reinforced PA66 component is added, the PA66 has high wear resistance, so that the defect of poor polycarbonate can be overcome, the lubricity of the surface of the decorative plate can be improved, the friction coefficient can be reduced, and the glass fiber can also improve the tensile property, so that the wear resistance and impact resistance are improved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of automobile decoration parts, in particular to a wear-resistant and impact-resistant automobile door decoration plate. BACKGROUND

[0002] Polycarbonate is colorless and transparent, heat-resistant, impact-resistant at room temperature, and flame-retardant BI level, and has good mechanical properties within the general use temperature. Compared with polymethyl methacrylate with similar properties, polycarbonate has good impact resistance at room temperature, high refractive index, and good processing performance, but polycarbonate has poor wear resistance. The car door interior panel made of polycarbonate is easily scratched or scuffed by shoes, nails or other hard objects during use, which affects the appearance, and the scratch-resistant performance is not good. In order to improve the wear resistance and impact resistance of the car door decoration plate, a wear-resistant and impact-resistant automobile door decoration plate is provided. SUMMARY

[0003] Therefore, the technical problem to be solved by the present application is to provide a wear-resistant and impact-resistant automobile door decoration plate to solve the problem of poor scratch-resistant performance of the car door interior panel in the prior art.

[0004] In order to solve the above technical problems, the present application discloses a wear-resistant and impact-resistant automobile door decoration plate, which is prepared from the following components by weight parts: polycarbonate 100 parts, glass fiber reinforced PA66 5-20 parts, combustion improver 1-5 parts and antioxidant 0.5-5 parts.

[0005] Further, the above-mentioned is prepared from the following components by weight parts: polycarbonate 100 parts, glass fiber reinforced PA66 10-20 parts, combustion improver 1-3 parts and antioxidant 0.5-2 parts.

[0006] Further, the above-mentioned is prepared from the following components by weight parts: polycarbonate 100 parts, glass fiber reinforced PA66 20 parts, combustion improver 1.5 parts and antioxidant 0.5 parts.

[0007] Further, the components of the above-mentioned glass fiber reinforced PA66 are PA66 50-100 parts, glass fiber 25-35 parts and toughening agent 5-10 parts by weight.

[0008] Further, the components of the above-mentioned glass fiber reinforced PA66 are PA66 60 parts, glass fiber 30 parts and toughening agent 10 parts by weight.

[0009] Further, the above-mentioned combustion improver is any one of brominated polystyrene, decabromodiphenyl ethane, red phosphorus and phosphazene compound.

[0010] Compared with the prior art, the present application can obtain the following technical effects: The application adds the component of glass fiber reinforced PA66 to PA66, which has high wear resistance to make up for the poor defects of polycarbonate, and can improve the lubricity of the surface of the decorative plate, reduce the friction coefficient, and the glass fiber can also improve the tensile property, thereby improving the wear resistance and impact resistance.

[0011] Of course, it is not necessary for any product implementing the present application to achieve all the technical effects described above. DETAILED DESCRIPTION

[0012] The embodiments of the present application will be described in detail below with examples, so that the process of applying technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented. Example 1

[0013] A wear-resistant and impact-resistant automobile door decorative plate is prepared from the following components by weight parts: polycarbonate 100 parts, glass fiber reinforced PA66 10 parts, combustion improver 1 part, and antioxidant 0.5 part; the component of glass fiber reinforced PA66 is PA66 65 parts, glass fiber 25 parts, and toughening agent 10 parts by weight.

[0014] A preparation method of a polycarbonate composition, comprising the following steps: polycarbonate 100 parts, glass fiber reinforced PA66 10 parts, combustion improver 1 part, and antioxidant 0.5 part are added to a mixer for stirring at room temperature and low speed for 30-40 seconds, and then added to a twin-screw extruder after uniform mixing; after melt extrusion and granulation, a polycarbonate composition with excellent wear resistance and impact resistance is prepared; the low-speed stirring speed of the mixer is 100-120 rpm, and the main machine speed of the twin-screw is 450-500 rpm / min. Example 2

[0015] The following components are prepared by weight parts: polycarbonate 100 parts, glass fiber reinforced PA66 10 parts, combustion improver 1 part, and antioxidant 0.5 part; the component of glass fiber reinforced PA66 is PA66 60 parts, glass fiber 30 parts, and toughening agent 10 parts by weight.

[0016] A preparation method of a polycarbonate composition, comprising the following steps: polycarbonate 100 parts, glass fiber reinforced PA66 10 parts, combustion improver 1 part, and antioxidant 0.5 part are added to a mixer for stirring at room temperature and low speed for 30-40 seconds, and then added to a twin-screw extruder after uniform mixing; after melt extrusion and granulation, a polycarbonate composition with excellent wear resistance and impact resistance is prepared; the low-speed stirring speed of the mixer is 100-120 rpm, and the main machine speed of the twin-screw is 450-500 rpm / min. Example 3

[0017] The following components are prepared by weight parts: polycarbonate 100 parts, glass fiber reinforced PA66 20 parts, combustion improver 1.5 parts and antioxidant 0.5 parts; the components of glass fiber reinforced PA66 are PA66 60 parts, glass fiber 30 parts and toughening agent 10 parts by weight.

[0018] The preparation method of the polycarbonate composition comprises the following steps: polycarbonate 100 parts, glass fiber reinforced PA66 20 parts, combustion improver 1.5 parts and antioxidant 0.5 parts are added into a mixer for stirring at room temperature and low speed for 30-40 seconds, and then added into a twin-screw extruder; after melt extrusion and granulation, a polycarbonate composition with excellent wear resistance and impact resistance is prepared; the low-speed stirring speed of the mixer is 100-120 rpm, and the main machine speed of the twin-screw is 450-500 rpm. Example 4

[0019] The following components are prepared by weight parts: polycarbonate 100 parts, glass fiber reinforced PA66 20 parts, combustion improver 1.5 parts and antioxidant 0.5 parts; the components of glass fiber reinforced PA66 are PA66 65 parts, glass fiber 25 parts and toughening agent 10 parts by weight.

[0020] The preparation method of the polycarbonate composition comprises the following steps: polycarbonate 100 parts, glass fiber reinforced PA66 20 parts, combustion improver 1.5 parts and antioxidant 0.5 parts are added into a mixer for stirring at room temperature and low speed for 30-40 seconds, and then added into a twin-screw extruder; after melt extrusion and granulation, a polycarbonate composition with excellent wear resistance and impact resistance is prepared; the low-speed stirring speed of the mixer is 100-120 rpm, and the main machine speed of the twin-screw is 450-500 rpm. Example 5

[0021] The following components are prepared by weight parts: polycarbonate 100 parts, glass fiber reinforced PA66 15 parts, combustion improver 1.5 parts and antioxidant 0.5 parts; the components of glass fiber reinforced PA66 are PA66 60 parts, glass fiber 30 parts and toughening agent 10 parts by weight.

[0022] The preparation method of the polycarbonate composition comprises the following steps: polycarbonate 100 parts, glass fiber reinforced PA66 15 parts, combustion improver 1.5 parts and antioxidant 0.5 parts are added into a mixer for stirring at room temperature and low speed for 30-40 seconds, and then added into a twin-screw extruder; after melt extrusion and granulation, a polycarbonate composition with excellent wear resistance and impact resistance is prepared; the low-speed stirring speed of the mixer is 100-120 rpm, and the main machine speed of the twin-screw is 450-500 rpm. Example 6

[0023] The following components are prepared by weight parts: polycarbonate 100 parts, glass fiber reinforced PA66 15 parts, combustion improver 1.5 parts and antioxidant 0.5 parts; the components of glass fiber reinforced PA66 are PA66 65 parts, glass fiber 25 parts and toughening agent 10 parts by weight.

[0024] The preparation method of the polycarbonate composition comprises the following steps: polycarbonate 100 parts, glass fiber reinforced PA66 15 parts, combustion improver 1.5 parts and antioxidant 0.5 parts are added into a mixer, stirred at room temperature and low speed for 30-40 seconds, and then added into a twin-screw extruder; after melt extrusion, granulation is performed to obtain a polycarbonate composition with excellent wear resistance and impact resistance; the low-speed stirring speed of the mixer is 100-120 rpm, and the main motor speed of the twin-screw is 450-500 rpm.

[0025] Statistical table of performance differences of examples 1-6

[0026] In summary, the increase of the glass fiber reinforced PA66 component can improve the wear resistance and impact strength, and the increase of the glass fiber component can improve the tensile strength.

[0027] The present application increases the component of glass fiber reinforced PA66, PA66 has high wear resistance which can compensate for the poor defects of polycarbonate, and can improve the lubricity of the surface of the decorative plate, reduce the friction coefficient, and the glass fiber can also improve the tensile performance, thereby improving the wear resistance and impact resistance.

[0028] The above description shows and describes several preferred embodiments of the present application, but as previously described, it should be understood that the present application is not limited to the forms disclosed herein, and should not be considered as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the inventive concept described herein by the above teaching or related art or knowledge. Any modification and change made by those skilled in the art without departing from the spirit and scope of the present application shall be within the protection scope of the appended claims of the present application.

Claims

1. A wear-resistant and impact-resistant automobile door decorative panel, characterized in that: The invention is prepared from the following components in parts by weight: 100 parts of polycarbonate, 5-20 parts of glass fiber reinforced PA66, 1-5 parts of combustion improver and 0.5-5 parts of antioxidant.

2. The wear-resistant and impact-resistant automobile door decorative panel according to claim 1, characterized in that: The invention is prepared according to the following components in parts by weight: 100 parts of polycarbonate, 10-20 parts of glass fiber reinforced PA66, 1-3 parts of combustion aid and 0.5-2 parts of antioxidant.

3. The wear-resistant and impact-resistant automobile door decorative panel according to claim 2, characterized in that: The composite material is prepared according to the following components in parts by weight: 100 parts of polycarbonate, 20 parts of glass fiber reinforced PA66, 1.5 parts of combustion aid and 0.5 parts of antioxidant.

4. The wear-resistant and impact-resistant automobile door decorative panel according to claim 3, characterized in that: The components of the glass fiber reinforced PA66 are 50-100 parts by weight of PA66, 25-35 parts by weight of glass fiber and 5-10 parts by weight of toughening agent.

5. The wear-resistant and impact-resistant automobile door decorative panel according to claim 4, characterized in that: The components of the glass fiber reinforced PA66 are 60 parts of PA66, 30 parts of glass fiber and 10 parts of toughening agent in parts by weight.

6. The wear-resistant and impact-resistant automobile door decorative panel according to claim 4, characterized in that: The combustion-supporting agent is any one of brominated polystyrene, decabromodiphenylethane, red phosphorus, and phosphazene compounds.

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