Corrosion-resistant and impact-resistant ABS modified material and preparation method thereof

Abstract

The invention is suitable for the technical field of ABS (Acrylonitrile Butadiene Styrene) materials, and provides a corrosion-resistant and impact-resistant ABS modified material and a preparation method thereof. The ABS modified material is prepared from the following components in parts by weight: 55 to 75 parts of ABS resin, 2.5 to 6.5 parts of carbon nanotubes, 5 to 9 parts of polyurethane, 2 to 4 parts of talcum powder, 1.5 to 4.5 parts of epoxidized soybean oil, 0.8 to 1.6 parts of weather-proof agent, 0.5 to 1.5 parts of lignin and 1.4 to 2.2 parts of metal oxide. Preferably, the ABS modified material further comprises epoxy resin, and the mass fraction of the epoxy resin is 5.5 to 7.5 parts. Preferably, the content ratio of the epoxy resin to the ABS resin is 1: 10. Through the steps of ultrasonic dispersion, high-speed stirring and the like, uniform distribution of all the components in the material is ensured, so that the synergistic effect of all the components is fully exerted, and the finally prepared ABS modified material has excellent corrosion resistance and impact resistance, and is particularly suitable for being applied to severe conditions such as high humidity, strong acid and strong alkali and the like.

Description

Technical Field

[0001] The invention relates to the technical field of ABS materials, in particular to a corrosion-resistant and impact-resistant ABS modified material and a preparation method thereof. Background Art

[0002] ABS material is a graft copolymer of three monomers: acrylonitrile, 1,3-butadiene, and styrene. The largest application areas of ABS material are automobiles, electronic appliances, building materials, and DIY production. In the automotive field, it is used in many parts such as car dashboards, body panels, interior trim panels, steering wheels, sound insulation panels, door locks, bumpers, ventilation pipes, etc.; in electrical appliances, it is widely used in refrigerators, televisions, washing machines, air conditioners, computers, copiers, and other electronic appliances; in building materials, ABS pipes, ABS sanitary ware, and ABS decorative panels are widely used in the building materials industry; in DIY, model aircraft wings, etc.; in addition, ABS is also widely used in packaging, furniture, sports and entertainment products, machinery, and instrumentation industries.

[0003] When ABS materials are used in practice, their performance is insufficient and needs to be modified. There are many ways to modify ABS, and different modification methods can be selected according to different needs. Through blending, filler addition, chemical modification, surface treatment and other methods, the performance of ABS resin can be significantly improved to meet the application needs of various fields.

[0004] The corrosion resistance and impact resistance of existing ABS need to be improved. Especially in some special environments, such as high humidity, strong acid and alkali, the performance of ABS materials often decreases significantly, limiting its application range. Therefore, it is particularly important to develop a corrosion-resistant and impact-resistant ABS modified material. Based on the above usage requirements, the present invention proposes a new ABS modified material and a preparation method, which aims to improve the corrosion resistance and impact resistance of ABS materials through modification to meet a wider range of application requirements. Summary of the invention

[0005] The purpose of the present invention is to provide a corrosion-resistant and impact-resistant ABS modified material and a preparation method thereof, so as to solve the problem that the corrosion resistance and impact resistance of ABS in the prior art need to be improved, especially under some special environments, such as high humidity, strong acid and alkali and other harsh conditions, the performance of ABS materials tends to decline significantly, limiting the scope of its application.

[0006] To achieve the above object, the present invention provides the following technical solution: In a first aspect, the present invention provides a corrosion-resistant and impact-resistant ABS modified material, wherein the ABS modified material comprises the following components and contents by weight:

[0007] ABS resin 55-75 parts, carbon nanotubes 2.5-6.5 parts, polyurethane 5-9 parts, talc 2-4 parts, epoxidized soybean oil 1.5-4.5 parts, weathering agent 0.8-1.6 parts, lignin 0.5-1.5 parts, metal oxide 1.4-2.2 parts.

[0008] Preferably, the ABS modified material further comprises epoxy resin, and the mass fraction of the epoxy resin is 5.5-7.5 parts.

[0009] Preferably, the content ratio of the epoxy resin to the ABS resin is 1:10.

[0010] Preferably, the weathering agent is one or more of EDTA and DTPA.

[0011] Preferably, the metal oxide is one or more of titanium dioxide, aluminum oxide or zinc oxide.

[0012] Preferably, the content ratio of the epoxidized soybean oil to lignin is 3:1.

[0013] The second aspect of the present invention provides a method for preparing the ABS modified material according to the first aspect of the present invention, comprising the following steps:

[0014] S1, mixing ABS resin and carbon nanotubes, uniformly dispersing by ultrasonication, then adding polyurethane, talcum powder and metal oxide, and stirring at high speed for 15min-45min;

[0015] S2, adding the remaining ingredients and continuing stirring for 10 minutes to 25 minutes, extruding the mixed material through an extruder, cooling, and obtaining an ABS modified material.

[0016] The present invention has at least the following beneficial effects:

[0017] The present invention provides a corrosion-resistant and impact-resistant ABS modified material and a preparation method thereof. Through steps such as ultrasonic dispersion and high-speed stirring, uniform distribution of various components in the material is ensured, thereby giving full play to the synergistic effect of various components. The finally prepared ABS modified material has excellent corrosion resistance and impact resistance, and is particularly suitable for application under harsh conditions such as high humidity, strong acid and alkali. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention are described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] The present invention provides a corrosion-resistant and impact-resistant ABS modified material, wherein the ABS modified material comprises the following components and contents in parts by mass:

[0020] ABS resin 55-75 parts, carbon nanotubes 2.5-6.5 parts, polyurethane 5-9 parts, talc 2-4 parts, epoxidized soybean oil 1.5-4.5 parts, weathering agent 0.8-1.6 parts, lignin 0.5-1.5 parts, metal oxide 1.4-2.2 parts.

[0021] Furthermore, the ABS modified material also includes epoxy resin, the mass fraction of the epoxy resin is 5.5-7.5 parts, and the content ratio of the epoxy resin to the ABS resin is 1:10.

[0022] Furthermore, the weathering agent is one or more of EDTA and DTPA; the metal oxide is one or more of titanium dioxide, aluminum oxide or zinc oxide.

[0023] Furthermore, the content ratio of epoxidized soybean oil to lignin is 3:1.

[0024] The preparation method of the above ABS modified material comprises the following steps:

[0025] S1, mixing ABS resin and carbon nanotubes, uniformly dispersing by ultrasonication, then adding polyurethane, talcum powder and metal oxide, and stirring at high speed for 15min-45min;

[0026] S2, adding the remaining ingredients and continuing stirring for 10 minutes to 25 minutes, extruding the mixed material through an extruder, cooling, and obtaining an ABS modified material.

[0027] In the present invention, carbon nanotubes are used to enhance the mechanical and electrical properties of the material and improve the impact resistance; polyurethane can improve the toughness and wear resistance of the material; talcum powder as a filler can improve the rigidity and dimensional stability of the material; epoxy soybean oil as a plasticizer can increase the flexibility and processing performance of the material; weathering agent can effectively improve the weather resistance and aging resistance of the material; lignin as a natural polymer can improve the biodegradability and environmental friendliness of the material; metal oxides are used to improve the corrosion resistance and heat resistance of the material. Through the synergistic effect of the various components, the ABS modified material prepared by the present invention has excellent performance in corrosion resistance and impact resistance, and is particularly suitable for applications under harsh conditions such as high humidity, strong acid and alkali.

[0028] Based on the above technical solution, the present invention provides the following partial embodiments:

[0029] Example 1

[0030] This embodiment provides a corrosion-resistant and impact-resistant ABS modified material. The ABS modified material includes the following components and contents by weight:

[0031] 55 parts of ABS resin, 2.5 parts of carbon nanotubes, 5 parts of polyurethane, 2 parts of talc, 1.5 parts of epoxidized soybean oil, 0.8 parts of weathering agent, 0.5 parts of lignin, and 1.4 parts of metal oxide.

[0032] The ABS modified material also includes epoxy resin, the mass fraction of the epoxy resin is 5.5 parts, and the content ratio of the epoxy resin to the ABS resin is 1:10.

[0033] Among them, the weathering agent is EDTA; the metal oxide is titanium dioxide.

[0034] Among them, the content ratio of epoxidized soybean oil to lignin is 3:1.

[0035] The preparation method of the above ABS modified material comprises the following steps:

[0036] S1, ABS resin and carbon nanotubes are mixed and dispersed uniformly by ultrasonication, and then polyurethane, talcum powder and metal oxide are added and stirred at high speed for 15 minutes;

[0037] S2, adding the remaining ingredients and continuing stirring for 10 minutes, extruding the mixed material through an extruder, cooling, and obtaining an ABS modified material.

[0038] Example 2

[0039] This embodiment provides a corrosion-resistant and impact-resistant ABS modified material. The ABS modified material includes the following components and contents by weight:

[0040] ABS resin 60 parts, carbon nanotubes 3 parts, polyurethane 6 parts, talc 2.5 parts, epoxidized soybean oil 2.1 parts, weathering agent 0.9 parts, lignin 0.7 parts, metal oxide 1.6 parts.

[0041] The ABS modified material also includes epoxy resin, the mass fraction of the epoxy resin is 6 parts, and the content ratio of the epoxy resin to the ABS resin is 1:10.

[0042] Among them, the weathering agent is DTPA; and the metal oxide is aluminum oxide.

[0043] Among them, the content ratio of epoxidized soybean oil to lignin is 3:1.

[0044] The preparation method of the above ABS modified material comprises the following steps:

[0045] S1, ABS resin and carbon nanotubes are mixed and dispersed uniformly by ultrasonication, and then polyurethane, talcum powder and metal oxide are added and stirred at high speed for 25 minutes;

[0046] S2, adding the remaining ingredients and continuing stirring for 15 minutes, extruding the mixed material through an extruder, cooling, and obtaining an ABS modified material.

[0047] Example 3

[0048] This embodiment provides a corrosion-resistant and impact-resistant ABS modified material. The ABS modified material includes the following components and contents by weight:

[0049] ABS resin 70 parts, carbon nanotubes 6 parts, polyurethane 8 parts, talc 3.5 parts, epoxidized soybean oil 4.2 parts, weathering agent 1.5 parts, lignin 1.4 parts, metal oxide 2 parts.

[0050] The ABS modified material also includes epoxy resin, the mass fraction of the epoxy resin is 7 parts, and the content ratio of the epoxy resin to the ABS resin is 1:10.

[0051] Among them, the weathering agent is EDTA; the metal oxide is zinc oxide.

[0052] Among them, the content ratio of epoxidized soybean oil to lignin is 3:1.

[0053] The preparation method of the above ABS modified material comprises the following steps:

[0054] S1, ABS resin and carbon nanotubes are mixed and dispersed uniformly by ultrasonication, and then polyurethane, talcum powder and metal oxide are added and stirred at high speed for 40 minutes;

[0055] S2, adding the remaining ingredients and continuing stirring for 20 minutes, extruding the mixed material through an extruder, cooling, and obtaining an ABS modified material.

[0056] Example 4

[0057] This embodiment provides a corrosion-resistant and impact-resistant ABS modified material. The ABS modified material includes the following components and contents by weight:

[0058] ABS resin 75 parts, carbon nanotubes 6.5 parts, polyurethane 9 parts, talc 4 parts, epoxidized soybean oil 4.5 parts, weathering agent 1.6 parts, lignin 1.5 parts, metal oxide 2.2 parts.

[0059] The ABS modified material also includes epoxy resin, the mass fraction of the epoxy resin is 7.5 parts, and the content ratio of the epoxy resin to the ABS resin is 1:10.

[0060] Among them, the weathering agent is DTPA; the metal oxide is titanium dioxide.

[0061] Among them, the content ratio of epoxidized soybean oil to lignin is 3:1.

[0062] The preparation method of the above ABS modified material comprises the following steps:

[0063] S1, ABS resin and carbon nanotubes are mixed and dispersed uniformly by ultrasonication, and then polyurethane, talcum powder and metal oxide are added and stirred at high speed for 45 minutes;

[0064] S2, adding the remaining ingredients and continuing stirring for 25 minutes, extruding the mixed material through an extruder, cooling, and obtaining an ABS modified material.

[0065] The present invention ensures uniform distribution of various components in the material through steps such as ultrasonic dispersion and high-speed stirring, thereby giving full play to the synergistic effect of various components. The ABS modified material finally prepared has excellent corrosion resistance and impact resistance, and is particularly suitable for application under harsh conditions such as high humidity, strong acid and alkali.

[0066] The products prepared in the above examples were tested for relevant properties, and the results are as follows:

[0067] project unit result Impact resistance <![CDATA[KJ / m 2 ]]> ≥54 Tensile Strength Mpa ≥61 Elongation at break ％ 4-10 Bending Strength Mpa ≥73 Heat Deflection Temperature ℃ ≥100

[0068] The above shows and describes the basic principles, main features and advantages of the present invention. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention.

[0069] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A corrosion-resistant and impact-resistant ABS modified material, characterized in that: The ABS modified material includes the following components and contents in parts by mass: ABS resin 55-75 parts, carbon nanotubes 2.5-6.5 parts, polyurethane 5-9 parts, talc 2-4 parts, epoxidized soybean oil 1.5-4.5 parts, weathering agent 0.8-1.6 parts, lignin 0.5-1.5 parts, metal oxide 1.4-2.2 parts.

2. The corrosion-resistant and impact-resistant ABS modified material according to claim 1, characterized in that: The ABS modified material also includes epoxy resin, and the mass fraction of the epoxy resin is 5.5-7.5 parts.

3. The corrosion-resistant and impact-resistant ABS modified material according to claim 2, characterized in that: The content ratio of the epoxy resin to the ABS resin is 1:

10.

4. The corrosion-resistant and impact-resistant ABS modified material according to claim 1, characterized in that: The weathering agent is one or more of EDTA and DTPA.

5. The corrosion-resistant and impact-resistant ABS modified material according to claim 1, characterized in that: The metal oxide is one or more of titanium dioxide, aluminum oxide or zinc oxide.

6. The corrosion-resistant and impact-resistant ABS modified material according to claim 1, characterized in that: The content ratio of the epoxidized soybean oil to the lignin is 3:

1.

7. A method for preparing the ABS modified material according to any one of claims 1 to 6, characterized in that: The following steps are involved: S1, mixing ABS resin and carbon nanotubes, uniformly dispersing by ultrasonication, then adding polyurethane, talcum powder and metal oxide, and stirring at high speed for 15min-45min; S2, adding the remaining ingredients and continuing stirring for 10 minutes to 25 minutes, extruding the mixed material through an extruder, cooling, and obtaining an ABS modified material.