ABS (Acrylonitrile Butadiene Styrene) composition and preparation method and application thereof

By adding antistatic agents, ethylene-acrylate compound copolymers and cycloolefin polymers to the ABS resin, the problems of mist and transparency of transparent ABS materials in humid and heat environments are solved, and excellent antistatic, solvent and moisture and heat resistance are achieved, and are suitable for the preparation of a variety of electronic products.

CN120289945APending Publication Date: 2025-07-11JIANGSU KINGFA SCI & TECH ADVANCED MATERIALS CO LTD +1
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Patent Information

Application Number
CN202510388653.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-03-31
Publication Date
2025-07-11

AI Technical Summary

Technical Problem

Existing transparent ABS materials are prone to fog and reduced transparency in humid and hot environments, and fail to meet the solvent and humidity resistance performance requirements of smart home appliances.

Method used

The ABS composition formed by using ABS resin as a matrix, combining antistatic agents, ethylene-acrylate compound copolymers and cycloolefin polymers, improves the antistatic properties of the material, solvent resistance and moisture and heat resistance through the synergistic effect of these components.

Benefits of technology

Maintain good transparency in humid and hot environments without fog or decrease in transparency. It is suitable for the preparation of household appliances, consumer electronic products, automotive parts and electronic and electrical products.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses an ABS (Acrylonitrile Butadiene Styrene) composition as well as a preparation method and application thereof, and belongs to the technical field of high polymer materials, the ABS composition comprises the following components in parts by weight: 62-88 parts of ABS resin, 9-26 parts of an antistatic agent, 0.8-5.5 parts of an ethylene-acrylate compound copolymer and 0.8-5.5 parts of a cycloolefin polymer; the antistatic agent is a polyether type antistatic agent. According to the invention, the ABS resin is used as a matrix, and under the combined action of the antistatic agent, the ethylene-acrylate compound copolymer and the cycloolefin polymer, the antistatic performance, the solvent resistance and the moisture and heat resistance of the ABS composition are obviously improved, so that the ABS composition can still keep good transparency when stored and used in a moisture and heat environment; and the ABS composition is very suitable for preparing household appliances, consumer electronics, automobile parts and electronic and electrical products, and is particularly suitable for preparing the household appliances.
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Description

Technical Field

[0001] The present invention relates to the technical field of polymer materials, and particularly relates to an ABS composition, a preparation method thereof, and an application thereof. Background Art

[0002] Transparent resin materials have the advantages of strong colorability and wide designability, and are widely used in the design and production of smart home appliances. Transparent ABS, PC and other transparent resins are two of the most widely used materials, mainly used in parts such as windows, panels, and dust collection boxes of smart home appliances.

[0003] With the development of the design diversification and multi-functionality of smart home appliance products, functions such as antistatic and solvent cracking resistance have become performance that attracts much attention. However, when transparent antistatic ABS is used in a humid and hot environment, it will show the phenomena of fogging and reduced transparency, greatly reducing the sensory effect and product quality. At present, there is no material solution in the industry that meets the above requirements.

[0004] In view of this, how to improve the solvent resistance and humidity and heat resistance of ABS materials has become a technical problem that needs to be solved urgently by those skilled in the art. Summary of the Invention

[0005] The purpose of the present invention is to overcome the deficiencies of the prior art and provide an ABS composition, a preparation method thereof, and an application thereof. The ABS composition has excellent antistatic performance, solvent resistance, and humidity and heat resistance.

[0006] To achieve the above purpose, the technical solution adopted by the present invention is:

[0007] An ABS composition, comprising the following components in parts by weight: 62-88 parts of ABS resin, 9-26 parts of antistatic agent, 0.8-5.5 parts of ethylene-acrylate copolymer, and 0.8-5.5 parts of cycloolefin polymer;

[0008] The antistatic agent is a polyether type antistatic agent.

[0009] The present invention combines the above raw materials, uses the ABS resin as the matrix, and under the combined action of the antistatic agent, ethylene-acrylate copolymer, and cycloolefin polymer, significantly improves the antistatic performance, solvent resistance, and humidity and heat resistance of the ABS composition, so that it can still maintain good transparency when stored and used in a humid and hot environment, and will not show the phenomena of fogging and reduced transparency. The ABS composition is very suitable for preparing household appliances, consumer electronic products, automotive parts, and electronic and electrical products, and is particularly suitable for preparing household appliances.

[0010] Among them, the polyether-type antistatic agent contains ether segments, which are extremely easy to form conductive channels, thereby reducing the surface resistivity and improving the antistatic performance. The molecular chain of the polyether-type antistatic agent has strong motility and is easy to migrate to the surface in ABS to form a conductive layer; the copolymer of ethylene-acrylate compounds has excellent compatibility with the ABS resin and can effectively improve the solvent resistance and heat-moisture resistance of ABS; the cycloolefin polymer imparts excellent heat-moisture resistance to ABS. The cycloolefin polymer may form a special dispersion morphology (such as fine lamellar or rib-like distribution) in ABS, which helps to form a conductive channel or improve the overall conductivity, heat-moisture resistance and solvent resistance of the material; under the synergistic effect of the copolymer of ethylene-acrylate compounds and the cycloolefin polymer, the interface between the ABS resin and the polyether-type antistatic agent can be effectively improved, preventing the intrusion of water molecules in a humid and hot environment and making the haze not increase significantly; at the same time, it prevents the erosion of ethanol. The ethylene chain segment and the cycloolefin chain segment effectively inhibit the crack propagation, making the solvent resistance of the composition better.

[0011] Among them, the dosage of the ABS resin is 62 to 88 parts, for example, it can be 62 parts, 65 parts, 68 parts, 70 parts, 72 parts, 75 parts, 78 parts, 80 parts, 82 parts, 85 parts, 88 parts or the range composed of any two of these values.

[0012] Preferably, the dosage of the ABS resin is 65 to 85 parts.

[0013] Among them, the dosage of the antistatic agent is 9 to 26 parts, for example, it can be 9 parts, 10 parts, 12 parts, 15 parts, 18 parts, 20 parts, 22 parts, 24 parts, 25 parts, 26 parts or the range composed of any two of these values.

[0014] Preferably, the dosage of the antistatic agent is 10 to 25 parts.

[0015] Among them, the dosage of the copolymer of ethylene-acrylate compounds is 0.8 to 5.5 parts, for example, it can be 0.8 parts, 1 part, 1.2 parts, 1.5 parts, 2 parts, 3 parts, 3.5 parts, 4 parts, 4.5 parts, 5 parts, 5.5 parts or the range composed of any two of these values.

[0016] Preferably, the dosage of the copolymer of ethylene-acrylate compounds is 1 to 5 parts.

[0017] Among them, the dosage of the cycloolefin polymer is 0.8 to 5.5 parts, for example, it can be 0.8 parts, 1 part, 1.2 parts, 1.5 parts, 2 parts, 3 parts, 3.5 parts, 4 parts, 4.5 parts, 5 parts, 5.5 parts or the range composed of any two of these values.

[0018] Preferably, the dosage of the cycloolefin polymer is 1 to 5 parts.

[0019] Among them, in the ABS composition of the present invention, the weight percentage content of the ABS resin is not less than 70%.

[0020] Preferably, in the ABS composition of the present invention, the weight percentage content of the ABS resin is 70-85%, for example, it can be 70%, 71%, 72%, 74%, 75%, 76%, 78%, 80%, 82%, 84%, 85% or the range composed of any two of these values.

[0021] Preferably, the ABS composition comprises the following components in parts by weight: 65-85 parts of ABS resin, 10-25 parts of antistatic agent, 1-5 parts of ethylene-acrylate copolymer, and 1-5 parts of cycloolefin polymer.

[0022] Preferably, it comprises the following components in parts by weight: 70-80 parts of ABS resin, 15-20 parts of antistatic agent, 2-4 parts of ethylene-acrylate copolymer, and 2-4 parts of cycloolefin polymer. In particular, when the amounts of each raw material are within this range, the antistatic performance, solvent resistance and heat and humidity resistance can be further improved.

[0023] Preferably, the melt flow rate of the ABS resin according to the ISO1133-2011 method at 220 °C / 10 kg is 9-32 g / 10 min, for example, it can be 9 g / 10 min, 11 g / 10 min, 12 g / 10 min, 15 g / 10 min, 18 g / 10 min, 20 g / 10 min, 22 g / 10 min, 25 g / 10 min, 28 g / 10 min, 30 g / 10 min, 32 g / 10 min or the range composed of any two of these values.

[0024] Preferably, the melt flow rate of the ABS resin according to the ISO 1133-2011 method at 220 °C / 10 kg is 19-27 g / 10 min.

[0025] Preferably, the antistatic agent is a polyether-polyamide block copolymer.

[0026] Preferably, the melt flow rate of the polyether-polyamide block copolymer according to the ISO 1133-2011 method at 190 °C / 2.16 kg is 8-35 g / 10 min, for example, it can be 8 g / 10 min, 10 g / 10 min, 12 g / 10 min, 15 g / 10 min, 18 g / 10 min, 20 g / 10 min, 22 g / 10 min, 25 g / 10 min, 28 g / 10 min, 30 g / 10 min, 35 g / 10 min or the range composed of any two of these values.

[0027] Preferably, the polyether-polyamide block copolymer has a melt flow rate of 12 to 18 g / 10 min at 190 °C / 2.16 kg according to the ISO 1133-2011 method.

[0028] Exemplarily, the polyether-polyamide block copolymer may be at least one of PELESTAT 201, PELESTAT LM230, PELESTAT NC7530, PELESTAT 300, and PELESTAT 6500 of Sanyo Chemical Industries.

[0029] Preferably, the ethylene-acrylate copolymer includes at least one of ethylene-methyl acrylate copolymer, ethylene-ethyl acrylate copolymer, ethylene-butyl acrylate copolymer, and ethylene-butyl acrylate-glycidyl methacrylate copolymer;

[0030] Preferably, the mass percentage content of the acrylate compound in the ethylene-acrylate compound copolymer is 7 to 32 wt%, for example, it can be 7 wt%, 9 wt%, 10 wt%, 12 wt%, 15 wt%, 18 wt%, 20 wt%, 22 wt%, 25 wt%, 28 wt%, 30 wt%, 32 wt% or a range composed of any two of these values.

[0031] Preferably, the mass percentage content of the acrylate compound in the ethylene-acrylate compound copolymer is 12 to 26 wt%.

[0032] Exemplarily, the ethylene-acrylate compound copolymer includes at least one of DuPont AC1224, Arkema 15MA03, DuPont AC1330, DuPont AC1609, and Japan Unica NUC-6250.

[0033] Preferably, the cycloolefin polymer has a melt flow rate of 13 to 45 g / 10 min at 260 °C / 2.16 kg according to the ISO 1133-2011 method, for example, it can be 13 g / 10 min, 15 g / 10 min, 18 g / 10 min, 20 g / 10 min, 22 g / 10 min, 25 g / 10 min, 28 g / 10 min, 30 g / 10 min, 35 g / 10 min, 40 g / 10 min, 43 g / 10 min, 45 g / 10 min or a range composed of any two of these values.

[0034] Preferably, the cycloolefin polymer has a melt flow rate of 24 to 34 g / 10 min at 260 °C / 2.16 kg according to the ISO 1133-2011 method. Preferably, the glass transition temperature of the cycloolefin polymer is 78 to 123 °C, for example, it can be 78 °C, 80 °C, 85 °C, 90 °C, 95 °C, 100 °C, 105 °C, 110 °C, 115 °C, 120 °C, 123 °C or a range composed of any two of these values.

[0035] Among them, the glass transition temperature of the cycloolefin polymer is tested according to the method of ISO 11357-2.

[0036] Exemplarily, the cycloolefin polymer may be at least one of 8007S of Polyplastics Co., Ltd., APL6011T of Mitsui Chemicals, APL8008T of Mitsui Chemicals, and COC-800 of IND Diagnostic Inc.

[0037] The present invention also provides a method for preparing an ABS composition, comprising the following steps: mixing each raw material evenly according to the ratio and melt-extruding to obtain the ABS composition.

[0038] Preferably, the ABS composition of the present invention may further include 0.1 to 10 parts of additives, and the additives include at least one of a toughening agent, a mineral powder, a lubricant, a colorant, an antioxidant, a weathering agent, a flame retardant, and an ultraviolet light absorber.

[0039] The ABS composition of the present invention may include 0.1 to 10 parts of a toughening agent, and suitable toughening agents include but are not limited to ethylene-octene copolymer, SEBS, maleic anhydride-grafted POE, maleic anhydride-grafted SEBS, and combinations thereof.

[0040] The ABS composition of the present invention may include 0.1 to 10 parts of a mineral powder, and suitable mineral powders include but are not limited to calcium carbonate, mica, kaolin, magnesium hydroxide, boehmite, and combinations thereof.

[0041] The ABS composition of the present invention may include 0.1 to 2 parts of a colorant, and suitable colorants include but are not limited to carbon black, titanium dioxide, zinc sulfide, iron oxide red, titanium yellow, and combinations thereof.

[0042] The ABS composition of the present invention may include 0.1 to 2 parts of a lubricant, and suitable lubricants include but are not limited to polyethylene wax, fatty acid esters, hyperbranched amides, and combinations thereof.

[0043] The ABS composition described in the present invention may include 0.1 to 2 parts of an antioxidant. Suitable antioxidants include, but are not limited to, thioester antioxidants, hindered phenol antioxidants, hydroxylamine antioxidants, phosphite antioxidants, phosphate antioxidants, and combinations thereof.

[0044] Preferably, the thioester antioxidant includes at least one of dialkyl thiodipropionate or pentaerythritol tetrakis(3 - laurylthiopropionate).

[0045] Preferably, the hindered phenol antioxidant includes at least one of pentaerythritol tetra[β-(3,5 - di - tert - butyl - 4 - hydroxyphenyl)propionate], tris(3,5 - di - tert - butyl - 4 - hydroxybenzyl) isocyanurate, 1,3,5 - tris(4 - tert - butyl - 3 - hydroxy - 2,6 - dimethylbenzyl) isocyanurate, octadecyl 3-(3,5 - di - tert - butyl - 4 - hydroxyphenyl)propionate, ethylene bis(oxyethylene) bis[3-(5 - tert - butyl - 4 - hydroxy - m - tolyl)propionate], or 3,9 - bis[1,1 - dimethyl - 2 - [(3 - tert - butyl - 4 - hydroxy - 5 - methylphenyl)propionyloxy]ethyl] - 2,4,8,10 - tetraoxaspiro[5.5]undecane.

[0046] Preferably, the hydroxylamine antioxidant includes bis(octadecyl)hydroxylamine.

[0047] Preferably, the phosphite antioxidant includes at least one of tris(2,4 - di - tert - butylphenyl) phosphite or pentaerythritol bis(di - 2,4 - tert - butylphenyl) diphosphite.

[0048] Preferably, the phosphate antioxidant includes bis(2,6 - di - tert - butyl - 4 - methylphenyl)pentaerythritol diphosphate.

[0049] The ABS composition described in the present invention may include 0.1 to 2 parts of a weathering agent. Suitable weathering agents include, but are not limited to, hindered amine light stabilizers, benzotriazole ultraviolet light absorbers, and combinations thereof.

[0050] The ABS composition described in the present invention may include 0.1 to 10 parts of a flame retardant. Suitable flame retardants include, but are not limited to, brominated polymers (e.g., brominated polystyrene), metal dialkyl phosphites (e.g., aluminum tris(diethyl phosphite)), metal hydroxides (e.g., magnesium hydroxide), aromatic phosphates (e.g., resorcinol bis(diphenyl phosphate) and bisphenol A bis(diphenyl phosphate)), and combinations thereof.

[0051] The ABS composition according to the present invention may include an ultraviolet light absorber. Suitable ultraviolet light absorbers include, but are not limited to, hydroxybenzophenones, hydroxybenzotriazoles, hydroxybenzotriazines, cyanoacrylates, nanoscale inorganic materials (such as titanium oxide, cerium oxide, and zinc oxide), and combinations thereof.

[0052] The present invention also provides an application of the ABS composition in the preparation of household appliances, consumer electronic products, automotive parts, and electronic and electrical products.

[0053] The beneficial effects of the present invention are as follows: The present invention uses an ABS resin as the matrix, and under the combined action of an antistatic agent, an ethylene-acrylate copolymer, and a cycloolefin polymer, the antistatic performance, solvent resistance, and heat and humidity resistance of the ABS composition are significantly improved, so that it can still maintain good transparency during storage and use in a humid and hot environment, and there will be no fogging or decrease in transparency. The described ABS composition is very suitable for the preparation of household appliances, consumer electronic products, automotive parts, and electronic and electrical products, and is particularly suitable for the preparation of household appliances. Detailed Embodiments

[0054] To make the objectives, technical solutions, and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below. Apparently, the described embodiments are some, but not all, of the embodiments of the present application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present application without creative efforts shall fall within the protection scope of the present application.

[0055] In the present application, among the technical features described in an open-ended manner, a closed technical solution composed of the listed features is included, and an open technical solution including the listed features is also included.

[0056] In the present application, regarding the numerical range, unless otherwise specified, the above numerical range is considered continuous and includes the minimum and maximum values of the range, as well as each value between such minimum and maximum values. Further, when the range refers to an integer, each integer between the minimum and maximum values of the range is included. In addition, when multiple ranges are provided to describe features or characteristics, these ranges can be combined. In other words, unless otherwise specified, all ranges disclosed herein should be understood to include any and all sub-ranges subsumed therein.

[0057] The raw materials used in the examples and comparative examples are described as follows:

[0058] ABS resin - 1: The melt flow rate at 220 °C / 10 kg is 21 g / 10 min, purchased from LG of South Korea

[0059] with the grade TR557.

[0060] ABS Resin - 2: The melt flow rate at 220 °C / 10 kg is 25 g / 10 min, purchased from LG of South Korea, grade TR558.

[0061] ABS Resin - 3: The melt flow rate at 220 °C / 10 kg is 30 g / 10 min, purchased from Chi Mei Industries, grade PA - 758.

[0062] ABS Resin - 4: The melt flow rate at 220 °C / 10 kg is 11 g / 10 min, purchased from LG of South Korea, grade TR552.

[0063] Antistatic Agent - 1: Polyether - polyamide block copolymer, the melt flow rate at 190 °C / 2.16 kg is 14 g / 10 min, purchased from Sanyo Chemical Industries, grade PELESTAT 201.

[0064] Antistatic Agent - 2: Polyether - polyamide block copolymer, the melt flow rate at 190 °C / 2.16 kg is 15 g / 10 min, purchased from Sanyo Chemical Industries, grade PELESTAT LM230.

[0065] Antistatic Agent - 3: Polyether - polyamide block copolymer, the melt flow rate at 190 °C / 2.16 kg is 10 g / 10 min, purchased from Sanyo Chemical Industries, grade PELESTAT 230.

[0066] Antistatic Agent - 4: Polyether - polyamide block copolymer, the melt flow rate at 190 °C / 2.16 kg is 30 g / 10 min, purchased from Sanyo Chemical Industries, grade PELESTAT 300.

[0067] Antistatic Agent - 5: Quaternary ammonium salt type antistatic agent, purchased from Shanghai Auxiliary Factory, grade Antistatic Agent TM.

[0068] Antistatic Agent - 6: Inorganic antistatic agent, carbon black, purchased from Orion, grade 50L.

[0069] EMA - 1: Ethylene - methyl acrylate copolymer, the mass content of methyl methacrylate is 24%, purchased from DuPont, grade AC1224.

[0070] EMA - 2: Ethylene - methyl acrylate copolymer, the mass content of methyl methacrylate is 15%, purchased from Arkema, grade 15MA03.

[0071] EMA - 3: Ethylene - methyl acrylate copolymer, the mass content of methyl methacrylate is 30%, purchased from DuPont, grade AC1330.

[0072] EMA-4: Ethylene-methyl acrylate copolymer with a methyl methacrylate mass content of 9%, purchased from DuPont, grade AC1609.

[0073] EEA-1: Ethylene-butyl acrylate copolymer with a butyl acrylate mass fraction of 24%, purchased from Japan's Unitika, grade NUC-6250.

[0074] COC-1: Cycloolefin polymer with a melt flow rate of 32 g / 10 min at 260 °C / 2.16 kg, purchased from Polyplastics Co., Ltd. of Japan, grade 8007S.

[0075] COC-2: Cycloolefin polymer with a melt flow rate of 26 g / 10 min at 260 °C / 2.16 kg, purchased from Mitsui Chemicals, grade APL6011T.

[0076] COC-3: Cycloolefin polymer with a melt flow rate of 43 g / 10 min at 260 °C / 2.16 kg, purchased from IND Diagnostic Inc, grade COC-800.

[0077] COC-4: Cycloolefin polymer with a melt flow rate of 15 g / 10 min at 260 °C / 2.16 kg, purchased from Mitsui Chemicals, grade APL8008T.

[0078] Unless otherwise specified, the component raw materials used in each example and comparative example of the present invention are all commercially available raw materials, and the component raw materials used in each parallel experiment are of the same kind.

[0079] Examples 1 to 17, Comparative Examples 1 to 6

[0080] The formulations of the ABS compositions of Examples 1 to 17 and Comparative Examples 1 to 6 are shown in Tables 1 and 2 (all in parts by weight).

[0081] Among them, the preparation methods of the ABS compositions of Examples 1 to 17 and Comparative Examples 1 to 6 all include the following steps:

[0082] According to the ratio, each component is fully mixed evenly by a high-speed mixer according to the weight ratio, and added to the main feeding port of a twin-screw extruder. The temperatures of each section of the twin-screw extruder are 160 - 220 °C, and the screw speed is 200 - 800 revolutions per minute. The above raw materials are melted, extruded, and pelletized in the extruder to obtain the ABS composition.

[0083] Table 1

[0084]

[0085] Table 2

[0086]

[0087] Performance Test

[0088] (1) The haze is tested according to the method of ASTM D1003. The test sample is a 50-mm round wafer, and the measurement is carried out using Procedure A (haze meter).

[0089] (2) The surface resistance is tested according to the method of GB / T 31838.3-2019.

[0090] (3) The damp heat resistance is tested as follows: Place a 50-mm round wafer sample in an environmental chamber at 85°C / 85% relative humidity. After 250 hours, take it out and test the haze of the sample again according to the method in (1).

[0091] (4) Solvent resistance test: Bend the ASTM tensile specimen to a deflection of 4.0 cm, coat the surface with anhydrous ethanol, and observe and record the fracture time of the specimen.

[0092] Table 3

[0093]

[0094]

[0095] It can be seen from Table 3 that the ABS composition described in the present invention has excellent antistatic performance, solvent resistance and damp heat resistance, enabling it to maintain good transparency during storage and use in a humid and hot environment, without fogging or a decrease in transparency. The described ABS composition is very suitable for preparing household appliances, consumer electronics products, automotive parts, and electronic and electrical products, and is particularly suitable for preparing household appliances. Among them, the haze of the ABS composition described in the present invention is ≤19.5%, the haze after 250 hours of wet aging at 85°C / 85% is ≤21.6%, the surface resistance is greater than or equal to E10 ohms, and the solvent resistance is ≥300 s.

[0096] Comparing Examples 1 to 4, it can be seen that in the present invention, by controlling the amounts of each raw material as: 70 to 80 parts of ABS resin, 15 to 20 parts of antistatic agent, 2 to 4 parts of ethylene-acrylate copolymer, and 2 to 4 parts of cycloolefin polymer, an ABS resin composition with good transparency and better solvent resistance and damp heat resistance is obtained.

[0097] Comparing Examples 3, 5 to 7, it can be seen that by controlling the melt flow rate of the ABS resin at 220°C / 10 kg to be 19 to 27 g / 10 min, the transparency, solvent resistance and damp heat resistance are further improved.

[0098] It can be seen from Comparative Examples 3, 8 to 10 that by controlling the melt flow rate of the polyether-polyamide block copolymer at 190 °C / 2.16 kg to be 12 to 18 g / 10 min, the transparency, solvent resistance and damp heat resistance are further improved.

[0099] Comparing Comparative Examples 3, 11 to 14, by controlling the mass percentage content of the acrylate compound in the ethylene-acrylate compound copolymer to be 12 to 26 wt%, the solvent resistance and damp heat resistance are further improved.

[0100] Comparing Comparative Examples 3, 15 to 17, by controlling the melt flow rate of the cycloolefin polymer at 260 °C / 2.16 kg to be 24 to 34 g / 10 min, the transparency, solvent resistance and damp heat resistance are further improved.

[0101] From Comparative Examples 1 to 4, it can be seen that neither the single EMA nor COC can achieve the effect of improving damp heat resistance and solvent resistance; Comparative Examples 5 to 6 show that neither the quaternary ammonium salt antistatic agent nor the conductive carbon black can achieve the effect of transparent damp heat resistance and solvent resistance, indicating that under the synergistic effect of the ethylene-acrylate compound copolymer and the cycloolefin polymer of the present invention, the ABS composition significantly improves the transparency, antistatic performance, solvent resistance and damp heat resistance.

[0102] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit the protection scope of the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the essence and scope of the technical solutions of the present invention.

Claims

1. An ABS composition, characterized in that, It comprises the following components in parts by weight: 62 to 88 parts of ABS resin, 9 to 26 parts of antistatic agent, 0.8 to 5.5 parts of ethylene-acrylate copolymer, and 0.8 to 5.5 parts of cycloolefin polymer; The antistatic agent is a polyether type antistatic agent.

2. The ABS composition according to claim 1, characterized in that It comprises the following components in parts by weight: 70 to 80 parts of ABS resin, 15 to 20 parts of antistatic agent, 2 to 4 parts of ethylene-acrylate copolymer, and 2 to 4 parts of cycloolefin polymer.

3. The ABS composition according to claim 1, wherein The melt flow rate of the ABS resin under the conditions of 220 °C / 10 kg is 9 to 32 g / 10 min, preferably 19 to 27 g / 10 min.

4. The ABS composition according to claim 1, characterized in that, The antistatic agent is a polyether-polyamide block copolymer.

5. The ABS composition according to claim 4, characterized in that, The melt flow rate of the polyether-polyamide block copolymer under the conditions of 190 °C / 2.16 kg is 8 to 35 g / 10 min, preferably 12 to 18 g / 10 min.

6. The ABS composition according to claim 1, characterized in that, The ethylene-acrylate copolymer includes at least one of ethylene-methyl acrylate copolymer, ethylene-ethyl acrylate copolymer, ethylene-butyl acrylate copolymer, and ethylene-butyl acrylate-glycidyl methacrylate copolymer.

7. The ABS composition according to claim 1, characterized in that The mass percentage content of the acrylate compound in the ethylene-acrylate copolymer is 7 to 32 wt%, preferably 12 to 26 wt%.

8. The ABS composition according to claim 1, characterized in that, The melt flow rate of the cycloolefin polymer under the conditions of 260 °C / 2.16 kg is 13 to 45 g / 10 min, preferably 24 to 34 g / 10 min.

9. The preparation method of the ABS composition according to any one of claims 1 to 8, characterized in that, It includes the following steps: Mix the raw materials evenly according to the ratio and melt-extrude to obtain the ABS composition.

10. Use of the ABS composition according to any one of claims 1 to 8 in the preparation of household appliances, consumer electronics products, automotive parts, and electronic and electrical products.