Modified abs alloy and preparation method and application thereof

Abstract

The application provides a modified ABS alloy and a preparation method and application thereof, and the ABS alloy comprises the following components in parts by weight: ABS resin, 40-80 parts by weight; nanofiber, 2-5 parts by weight; dispersant, 10-20 parts by weight, wherein the dispersant comprises an ionic liquid; lubricant, 3-6 parts by weight; toughening agent, 2-5 parts by weight. The modified ABS alloy provided by the application has synergistic effect among the components by optimizing the components and their contents, wherein the nanofiber can be uniformly dispersed in the modified ABS alloy under the action of the dispersant containing the ionic liquid, so that the fatigue resistance and toughness of the ABS alloy are improved. Therefore, the modified ABS alloy provided by the application has good fatigue resistance and toughness.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of ABS alloy, in particular to a modified ABS alloy and a preparation method and application thereof. BACKGROUND

[0002] ABS resin is a terpolymer composed of acrylonitrile, butadiene and styrene, which has the advantages of high strength, good toughness and easy processing, and is widely used in various industries. With the popularization of application, the requirements for ABS resin are getting higher and higher. Therefore, ABS alloy is developed. ABS alloy is a general term for plastic polymers obtained by modifying ABS resin to achieve certain properties. However, in the related art, the fatigue resistance and toughness of ABS alloy cannot meet the growing requirements, which limits its further application. SUMMARY

[0003] In view of the technical problem that the fatigue resistance and toughness of the above-mentioned ABS alloy cannot meet the growing requirements, the present application provides a modified ABS alloy and a preparation method and application thereof. The modified ABS alloy has good fatigue resistance and toughness, and can meet the growing requirements.

[0004] In the first aspect, the present application provides a modified ABS alloy, which comprises the following components by weight:

[0005] ABS resin, 40-80 parts by weight;

[0006] Nanofiber, 2-5 parts by weight;

[0007] Dispersant, 10-20 parts by weight, the dispersant comprising an ionic liquid;

[0008] Lubricant, 3-6 parts by weight;

[0009] Toughening agent, 2-5 parts by weight.

[0010] In some embodiments of the present application, the ABS alloy further comprises the following components by weight:

[0011] ABS resin, 50-65 parts by weight;

[0012] Nanofiber, 3-5 parts by weight;

[0013] Dispersant, 12-17 parts by weight;

[0014] Lubricant, 4-5 parts by weight;

[0015] Toughening agent, 3-4 parts by weight.

[0016] In some embodiments of the present application, the length-diameter ratio of the nanofiber is (4-8):1.

[0017] In some embodiments of the present application, the length of the nanofiber is 50-100 nm, and / or the diameter of the nanofiber is 8-15 nm.

[0018] In some embodiments of the present application, the ionic liquid comprises an imidazole ionic liquid.

[0019] In some embodiments of the present application, the imidazole ionic liquid comprises at least one of 1-butyl-3-methylimidazolium chloride, 1-butyl-3-methylimidazolium bromide, 1-butyl-3-methylimidazolium tetrafluoroborate, and 1-butyl-3-methylimidazolium hexafluorophosphate.

[0020] In some embodiments of the present application, the lubricant comprises an ester lubricant.

[0021] In some embodiments of the present application, the toughening agent comprises at least one of methyl methacrylate-butadiene-styrene copolymer, acrylonitrile-styrene-acrylate copolymer, ethylene-methyl acrylate, and ethylene-butyl acrylate.

[0022] The second aspect of the present application provides a method for preparing the modified ABS alloy as described in any one of the embodiments of the first aspect of the present application, comprising:

[0023] A mixing process is performed to uniformly mix the nanofiber and the dispersant to obtain a mixture;

[0024] A granulation process is performed to co-melt and extrude granulation of the mixture, ABS resin, lubricant, and toughening agent to obtain the modified ABS alloy.

[0025] The third aspect of the present application provides an application of the modified ABS alloy as described in any one of the embodiments of the first aspect of the present application and / or the modified ABS alloy obtained by the method as described in the second aspect of the present application in vehicles, electronic devices, and electrical appliances.

[0026] The modified ABS alloy provided by the present application has good fatigue resistance and toughness by optimizing the components and their contents, and the synergistic effect between the components, wherein the nanofiber can be uniformly dispersed in the modified ABS alloy under the action of the dispersant containing ionic liquid, so that the fatigue resistance and toughness of the ABS alloy are improved.

[0027] The above description is only a summary of the technical solutions of the present application. In order to make the technical means of the present application more clearly understood, and to be implemented according to the content of the specification, and in order to make the above and other purposes, characteristics and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application are described below. DETAILED DESCRIPTION

[0028] The ranges disclosed herein are defined by their lower and upper limits. Ranges can be comprised of any combination of the maximum and minimum defining the range. Unless otherwise stated, the ranges include the endpoints. For example, a range of 60-120 and 80-110 is understood to include 60-110 and 80-120. Furthermore, a range of 1-2 and a range of 3-5 are understood to include the ranges 1-3, 1-4, 1-5, 2-3, 2-4, and 2-5. In the present application, unless otherwise indicated, a numerical range "a-b" is intended to indicate any and all sub-combinations of the same, wherein a and b are both real numbers. For example, the numerical range "0-5" is intended to indicate that all real numbers between 0 and 5, inclusive of 0 and 5, have been listed herein. "0-5" is merely a shorthand for listing all of the numbers between 0 and 5. In addition, when a parameter is stated to be an integer ≥ 2, it is equivalent to disclose that the parameter is, for example, an integer 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, etc.

[0029] If not particularly specified, all the embodiments and optional embodiments of the present application can be combined with each other to form new technical solutions.

[0030] If not particularly specified, all the technical features and optional technical features of the present application can be combined with each other to form new technical solutions.

[0031] If not particularly specified, all the steps of the present application can be performed in sequence or randomly, and preferably in sequence. For example, the method comprises steps (a) and (b), which means that the method can comprise steps (a) and (b) in sequence, or steps (b) and (a) in sequence. For example, the method also comprises step (c), which means that step (c) can be added to the method in any order. For example, the method can comprise steps (a), (b) and (c), or steps (a), (c) and (b), or steps (c), (a) and (b), etc.

[0032] Unless otherwise specified, the terms used in the present application have the commonly understood meanings understood by those skilled in the art.

[0033] Unless otherwise indicated, the values of the parameters mentioned in the present application can be measured using various test methods commonly used in the art, for example, according to the test methods given in the embodiments of the present application.

[0034] The present disclosure is described more specifically with the following embodiments, which are only used for illustrative purposes, since various modifications and changes within the scope of the present disclosure will be apparent to those skilled in the art. Unless otherwise stated, all parts, percentages and ratios reported in the following embodiments are based on mass, and all reagents used in the embodiments are commercially available or synthesized according to conventional methods and can be used directly without further treatment, and the instruments used in the embodiments are commercially available.

[0035] Example 1

[0036] The present embodiment provides a preparation method of a modified ABS alloy, comprising the following steps:

[0037] 2 parts by weight of nanofibers (purchased from Zhejiang Jinjiahao Green Nanometer Material Co., Ltd., aspect ratio of 4:1, length of 56 nm, diameter of 14 nm) and 10 parts by weight of 1-butyl-3-methylimidazolium chloride salt were mixed to obtain a mixture;

[0038] The above mixture, 50 parts by weight of ABS resin (ABS 8434, Shanghai Haqiao Petrochemical Co., Ltd.), ester lubricant (PETS-AP, Italy Fagi) and methyl methacrylate-butadiene-styrene copolymer were added into a twin-screw extruder for co-melting and extrusion granulation to prepare a modified ABS alloy, wherein the extrusion temperature was 280°C.

[0039] Example 2

[0040] The present embodiment is similar to the preparation method of Example 1, except that 3 parts by weight of nanofibers;

[0041] The present embodiment provides a preparation method of a modified ABS alloy, comprising the following steps:

[0042] 3 parts by weight of nanofibers (purchased from Zhejiang Jinjiahao Green Nanometer Material Co., Ltd., aspect ratio of 4:1, length of 56 nm, diameter of 14 nm) and 10 parts by weight of 1-butyl-3-methylimidazolium chloride salt were mixed to obtain a mixture;

[0043] The above mixture, 50 parts by weight of ABS resin (ABS 8434, Shanghai Gaoqiao Petrochemical Co., Ltd.), ester lubricant (PETS-AP, Italy Fubai) and methyl methacrylate-butadiene-styrene copolymer are added into a double screw extruder for co-melting and extrusion granulation to prepare the modified ABS alloy, wherein the extrusion temperature is 280°C.

[0044] Example 3

[0045] The preparation method of this example is similar to that of example 1, except that 5 parts by weight of nanofiber is used.

[0046] The preparation method of this example provides a method for preparing a modified ABS alloy, comprising the following steps:

[0047] 5 parts by weight of nanofiber (purchased from Zhejiang Jingjiahao Green Nanometer Material Co., Ltd., aspect ratio of 4:1, length of 56 nm, diameter of 14 nm) and 10 parts by weight of 1-butyl-3-methylimidazolium chloride salt are mixed to obtain a mixture.

[0048] The above mixture, 50 parts by weight of ABS resin (ABS 8434, Shanghai Gaoqiao Petrochemical Co., Ltd.), ester lubricant (PETS-AP, Italy Fubai) and methyl methacrylate-butadiene-styrene copolymer are added into a double screw extruder for co-melting and extrusion granulation to prepare the modified ABS alloy, wherein the extrusion temperature is 280°C.

[0049] Example 4

[0050] The preparation method of this example is similar to that of example 1, except that the aspect ratio of the nanofiber is 6:1, the length is 60 nm, and the diameter is 10 nm.

[0051] The preparation method of this example provides a method for preparing a modified ABS alloy, comprising the following steps:

[0052] 2 parts by weight of nanofiber (purchased from Zhejiang Jingjiahao Green Nanometer Material Co., Ltd., aspect ratio of 6:1, length of 60 nm, diameter of 10 nm) and 10 parts by weight of 1-butyl-3-methylimidazolium chloride salt are mixed to obtain a mixture.

[0053] The above mixture, 50 parts by weight of ABS resin (ABS 8434, Shanghai Gaoqiao Petrochemical Co., Ltd.), ester lubricant (PETS-AP, Italy Fubai) and methyl methacrylate-butadiene-styrene copolymer are added into a double screw extruder for co-melting and extrusion granulation to prepare the modified ABS alloy, wherein the extrusion temperature is 280°C.

[0054] Example 5

[0055] The embodiment is similar to the preparation method of embodiment 1, except that the length-diameter ratio of the nanofiber is 8:1, the length is 80 nm, and the diameter is 10 nm.

[0056] The embodiment provides a preparation method of a modified ABS alloy, including the following steps:

[0057] 2 parts by weight of nanofiber (purchased from Zhejiang Jiahaolu Green Nanometer Material Co., Ltd., length-diameter ratio of 8:1, length of 80 nm, and diameter of 10 nm) and 10 parts by weight of 1-butyl-3-methylimidazole bromide salt are mixed to obtain a mixture;

[0058] The mixture, 50 parts by weight of ABS resin (ABS 8434, Shanghai Gaoqiao Petrochemical Co., Ltd.), ester lubricant (PETS-AP, Italy Fagi), and methyl methacrylate-butadiene-styrene copolymer are added into a double-screw extruder for co-melting and extrusion granulation to prepare a modified ABS alloy, wherein the extrusion temperature is 280°C.

[0059] Embodiment 6

[0060] The embodiment is similar to the preparation method of embodiment 1, except that 10 parts by weight of 1-butyl-3-methylimidazole bromide salt.

[0061] The embodiment provides a preparation method of a modified ABS alloy, including the following steps:

[0062] 2 parts by weight of nanofiber (purchased from Zhejiang Jiahaolu Green Nanometer Material Co., Ltd., length-diameter ratio of 4:1, length of 56 nm, and diameter of 14 nm) and 10 parts by weight of 1-butyl-3-methylimidazole bromide salt are mixed to obtain a mixture;

[0063] The mixture, 50 parts by weight of ABS resin (ABS 8434, Shanghai Gaoqiao Petrochemical Co., Ltd.), ester lubricant (PETS-AP, Italy Fagi), and methyl methacrylate-butadiene-styrene copolymer are added into a double-screw extruder for co-melting and extrusion granulation to prepare a modified ABS alloy, wherein the extrusion temperature is 280°C.

[0064] Embodiment 7

[0065] The embodiment is similar to the preparation method of embodiment 1, except that 10 parts by weight of 1-butyl-3-methylimidazole tetrafluoroborate salt.

[0066] The embodiment provides a preparation method of a modified ABS alloy, including the following steps:

[0067] 2 parts by weight of nanofiber (purchased from Zhejiang Jiahaohao Green Nanometer Material Co., Ltd., aspect ratio of 4:1, length of 56 nm, diameter of 14 nm) and 10 parts by weight of 1-butyl-3-methylimidazolium bromide were mixed to obtain a mixture;

[0068] The mixture, 50 parts by weight of ABS resin (ABS 8434, Shanghai Gaoqiao Petrochemical Co., Ltd.), ester lubricant (PETS-AP, Italy Fagi) and methyl methacrylate-butadiene-styrene copolymer were added into a twin-screw extruder for co-melting and extrusion granulation to prepare a modified ABS alloy, wherein the extrusion temperature was 280°C.

[0069] Example 8

[0070] The preparation method of the modified ABS alloy of the present example is similar to that of Example 1, except that 5 parts by weight of 1-butyl-3-methylimidazolium bromide and 5 parts by weight of 1-butyl-3-methylimidazolium tetrafluoroborate were used.

[0071] The present example provides a preparation method of a modified ABS alloy, comprising the following steps:

[0072] 2 parts by weight of nanofiber (purchased from Zhejiang Jiahaohao Green Nanometer Material Co., Ltd., aspect ratio of 4:1, length of 56 nm, diameter of 14 nm), 5 parts by weight of 1-butyl-3-methylimidazolium bromide and 5 parts by weight of 1-butyl-3-methylimidazolium tetrafluoroborate were mixed to obtain a mixture;

[0073] The mixture, 50 parts by weight of ABS resin (ABS 8434, Shanghai Gaoqiao Petrochemical Co., Ltd.), ester lubricant (PETS-AP, Italy Fagi) and methyl methacrylate-butadiene-styrene copolymer were added into a twin-screw extruder for co-melting and extrusion granulation to prepare a modified ABS alloy, wherein the extrusion temperature was 280°C.

[0074] Comparative Example 1

[0075] The preparation method of the present comparative example is similar to that of Example 1, except that no nanofiber was used.

[0076] The present comparative example provides a preparation method of a modified ABS alloy, comprising the following steps:

[0077] 10 parts by weight of 1-butyl-3-methylimidazolium chloride, 50 parts by weight of ABS resin (ABS 8434, Shanghai Gaoqiao Petrochemical Co., Ltd.), ester lubricant (PETS-AP, Italy Fagi) and methyl methacrylate-butadiene-styrene copolymer were added into a twin-screw extruder for co-melting and extrusion granulation to prepare a modified ABS alloy, wherein the extrusion temperature was 280°C.

[0078] Comparative Example 2

[0079] The present comparative example provides a preparation method of a modified ABS alloy, comprising the following steps:

[0080] The present comparative example provides a preparation method of a modified ABS alloy, comprising the following steps:

[0081] 8 parts by weight of nanofibers (purchased from Zhejiang Jinhao Green Nanometer Material Co., Ltd., aspect ratio of 4:1, length of 56 nm, diameter of 14 nm) and 10 parts by weight of 1-butyl-3-methylimidazolium chloride salt were mixed to obtain a mixture;

[0082] The above mixture, 50 parts by weight of ABS resin (ABS 8434, Shanghai Gaoqiao Petrochemical Co., Ltd.), ester lubricant (PETS-AP, Italy Fagi) and methyl methacrylate-butadiene-styrene copolymer were added into a twin-screw extruder for co-melting and extrusion granulation to prepare a modified ABS alloy, wherein the extrusion temperature was 280°C.

[0083] Comparative Example 3

[0084] The present comparative example provides a preparation method of a modified ABS alloy, comprising the following steps:

[0085] The present comparative example provides a preparation method of a modified ABS alloy, comprising the following steps:

[0086] 2 parts by weight of nanofibers (purchased from Zhejiang Jinhao Green Nanometer Material Co., Ltd., aspect ratio of 4:1, length of 56 nm, diameter of 14 nm) and 10 parts by weight of paraffin wax were mixed to obtain a mixture;

[0087] The above mixture, 50 parts by weight of ABS resin (ABS 8434, Shanghai Gaoqiao Petrochemical Co., Ltd.), ester lubricant (PETS-AP, Italy Fagi) and methyl methacrylate-butadiene-styrene copolymer were added into a twin-screw extruder for co-melting and extrusion granulation to prepare a modified ABS alloy, wherein the extrusion temperature was 280°C.

[0088] Test Part

[0089] The modified ABS alloys of the examples and comparative examples were tested for the following properties.

[0090] (1) Tensile strength and elongation at break test

[0091] The tensile strength and elongation at break were tested according to GB / T 2951.11-2008, and the test results are shown in Table 1.

[0092] (2) Fatigue resistance test

[0093] The sample with the size of 80mm*20mm*2mm was applied with bending in the middle until the force reached 80N, and then returned, and the number of times at the time of breaking was recorded, and the test results are shown in Table 1.

[0094] Table 1 Test results of examples and comparative examples

[0095] No. Tensile strength / MPa Elongation at break / % Fatigue resistance Example 1 62.5 MPa 321％ 65032 Example 2 63.8 MPa 342％ 68025 Example 3 70.2 MPa 358％ 69847 Example 4 78.6 MPa 416％ 70216 Example 5 82.1 MPa 447％ 71983 Example 6 63.1 MPa 343％ 67112 Example 7 62.9 MPa 332％ 66855 Example 8 68.2 MPa 351％ 69027 Comparative Example 1 21.4 MPa 82％ 41522 Comparative Example 2 40.3 MPa 215％ 58214 Comparative Example 3 35.3 MPa 178％ 51758

[0096] According to Table 1, the test results of Examples 1-8 and Comparative Examples 1-3 can be compared, the modified ABS alloy provided by the application can make the components synergize by optimizing the components and their contents, wherein the nanofiber can be uniformly dispersed in the modified ABS alloy under the action of the dispersant containing ionic liquid, so that the fatigue resistance and toughness of the ABS alloy are improved; the combination of 1-butyl-3-methylimidazole bromide and 1-butyl-3-methylimidazole tetrafluoroborate can achieve better results. Therefore, the modified ABS alloy provided by the application has good fatigue resistance and toughness.

[0097] Finally, it should be noted that: the above examples are only used to illustrate the technical solutions of the application, and not to limit them; although the application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the application, and they should be covered in the scope of the claims and the specification of the application. Especially, as long as there is no structural conflict, each technical feature mentioned in each embodiment can be combined in any way. The application is not limited to the specific embodiments disclosed in the text, but includes all technical solutions falling within the scope of the claims.

Claims

1. A modified ABS alloy characterized in that, The ABS alloy comprises the following components by weight parts: ABS resin, 50-65 parts by weight; nanofiber, 3-5 parts by weight; dispersant, 12-17 parts by weight, the dispersant comprising ionic liquid; lubricant, 4-5 parts by weight; toughening agent, 3-4 parts by weight; the nanofiber has an aspect ratio of (4-8):1; the nanofiber has a diameter of 8-15 nm; the ionic liquid comprises imidazole ionic liquid; the imidazole ionic liquid comprises 1-butyl-3-methyl imidazole bromide salt and 1-butyl-3-methyl imidazole tetrafluoroborate; the lubricant comprises ester lubricant; the toughening agent comprises at least one of methyl methacrylate-butadiene-styrene copolymer, acrylonitrile-styrene-acrylate copolymer, ethylene-methyl acrylate and ethylene-butyl acrylate.

2. A method of producing the modified ABS alloy as claimed in claim 1, characterized in that, Comprise: a mixing process, wherein the nanofiber and the dispersant are uniformly mixed to obtain a mixture; a granulation process, wherein the mixture, ABS resin, lubricant and toughening agent are co-melted and extruded to obtain the modified ABS alloy.

3. Use of the modified ABS alloy of claim 1 and / or the modified ABS alloy obtained by the preparation method of claim 2 in vehicles, electronic devices and electrical appliances.