CN1160409C - High-flowability, impact-resistant and electrically conductive temary acrylonitrile-butadiene-styrene copolymer and its preparing process - Google Patents

High-flowability, impact-resistant and electrically conductive temary acrylonitrile-butadiene-styrene copolymer and its preparing process Download PDF

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Publication number
CN1160409C
CN1160409C CNB991139321A CN99113932A CN1160409C CN 1160409 C CN1160409 C CN 1160409C CN B991139321 A CNB991139321 A CN B991139321A CN 99113932 A CN99113932 A CN 99113932A CN 1160409 C CN1160409 C CN 1160409C
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China
Prior art keywords
impact
abs
resistant
butadiene
flowability
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Expired - Lifetime
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CNB991139321A
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Chinese (zh)
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CN1282762A (en
Inventor
杨桂生
陈永东
徐青
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Hefei Genius New Materials Co Ltd
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Shanghai Genius Advanced Materials Group Co Ltd
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Priority to CNB991139321A priority Critical patent/CN1160409C/en
Priority to JP2001514039A priority patent/JP2003529626A/en
Priority to AU53865/00A priority patent/AU5386500A/en
Priority to PCT/CN2000/000154 priority patent/WO2001009241A1/en
Publication of CN1282762A publication Critical patent/CN1282762A/en
Application granted granted Critical
Publication of CN1160409C publication Critical patent/CN1160409C/en
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L55/00Compositions of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C08L23/00 - C08L53/00
    • C08L55/02ABS [Acrylonitrile-Butadiene-Styrene] polymers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/04Particle-shaped
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/40Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/88Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/919Thermal treatment of the stream of extruded material, e.g. cooling using a bath, e.g. extruding into an open bath to coagulate or cool the material

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  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Conductive Materials (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

The present invention relates to a high-fluidity impact-resistant conductive acrylonitrile-butadiene-styrene terpolymer (ABS) material and a preparation technology thereof. The material comprises the formula of the following weight percentage: 60 to 65 wt% of ABS, 15 to 25 wt% of carbon black, 15 to 20 wt% of impact-resistant modifying agent, 0.1 to 0.2 wt% of antioxidant and 0.2 to 0.3 wt% of ultraviolet absorbent. The components with the content are mixed by putting into a high mixer; then, the mixture is put into a double-screw extruder and is extruded; the extruded material is cooled by water and is granulated, and the material granules are dried to obtain the terpolymer material. Compared with the prior art, the terpolymer material of the present invention has the advantages of high fluidity, high impact resistance, conductivity, etc.

Description

High-flowability, impact-resistant and electrically conductive temary acrylonitrile-butadiene-styrene copolymer and preparation technology thereof
The present invention relates to a kind of engineering plastic materials and preparation technology thereof, relate in particular to a kind of high-flowability, impact-resistant and electrically conductive temary acrylonitrile-butadiene-styrene copolymer and preparation technology thereof.
Acrylonitrile-butadiene-styrene terpolymer (ABS) resin is widely used in the parts such as shell of making phone, computer, televisor etc. owing to have good mechanical property and surface luster in household electric appliances such as electronics, communication.Yet because common ABS resin is an insulating material, its volume and surface resistivity are all higher, therefore the surface of goods is easily because of former thereby generation static charges such as frictions, can make the easy dust suction of product surface so on the one hand and influence outward appearance, thereby the static charge of gathering on the other hand can produce the works better that spark discharge influences semiconductor integrated circuit, and is serious even the person of manipulating is got shocked.In addition, extraneous interference hertzian wave passes insulating ABS shell easily and influences the works better of internal circuitry, on the other hand, thereby the signals such as hertzian wave that system such as computer, phone produces when work also can disturb the works better of other electronics Circuits System on every side to external irradiation, even influence the physiological well-being of human body.After giving the ABS resin certain electric conductivity, can eliminate on the one hand the harm of static charge that product surface gathers to human body, can play the effect of shielding electromagnetic wave on the other hand, effectively prevent of the interference of external electromagnetic ripple to circuitry system works better.
At present, countries in the world mainly are electroconductive stuffings such as filler metal powder, fiber and graphite, carbon black, carbon fiber in the ABS resin matrix about the development and production of conduction ABS.But metal-powder, fiber have easily oxidation of surface, are difficult for processing, and weight is big, to shortcomings such as the mechanical mechanics property deterioration of material are serious, have seriously restricted its application.In addition, the resistance of graphite is bigger, and electroconductibility is relatively poor, and the price of carbon fiber is more expensive, these factor affecting they in industrial widespread use.At present, carbon black filled ABS is a kind of method commonly used, still, because the adhesive property of carbon black and ABS matrix is relatively poor, can cause the shock resistance and the flowing property of carbon black filled back matrix material sharply to reduce, have a strong impact on the final result of use of Drawing abillity and goods.
Purpose of the present invention is exactly to provide a kind of preparation with conduction ABS material of good processing flowability energy and shock resistance for the defective that overcomes above-mentioned prior art existence.
Purpose of the present invention can realize in the following manner:
A kind of high-flowability, impact-resistant and electrically conductive acrylonitrile-butadiene-styrene terpolymer (ABS) material is characterized in that: described material prescription following (weight percentage):
ABS 60~65
Carbon black 15~25
Impact modifier 15~20
Oxidation inhibitor 0.1~0.2
UV light absorber 0.2~0.3
Described impact modifier is a thermoplastic polyester elastomer.
Described impact modifier is thermoplastic polyurethane TPU.
Described impact modifier is the grafts MBS of nucleocapsid structure.
A kind of preparation technology of high-flowability, impact-resistant and electrically conductive ABS material, it is characterized in that: above-mentioned each component was placed high-speed mixer and mixing 1~2 minute, then material is placed the hopper of twin screw extruder, the screw zones temperature is 210~240 ℃, screw speed is 300rpm, and the material of extruding obtains product after water-cooled, pelletizing, drying.
Compared with prior art, difference of the present invention is to adopt graphitized carbon black as conductive filler material, and at ABS---correctly selected several classes and ABS resin to have the polymer impact modifier of excellent compatibility in the carbon black system, as thermoplastic polyester elastomer, thermoplastic polyurethane TPU, grafts MBS with nucleocapsid structure is as toughner, improved the shock resistance of carbon black filled ABS matrix material on the one hand, improve the processing flowability of this matrix material on the other hand greatly, satisfied the needs of making the big parts goods of complex construction.
Below in conjunction with embodiment, the present invention is described in further detail:
Embodiment 1~3:
With ABS is base-material, and this ABS resin is the high fluent material of high tenacity.(MI=3~4g/10min), the simply supported beam notched Izod impact strength is 25~35kJ/m to melting index 2, tensile strength is 40~60MPa.With the thermoplastic polyester elastomer is toughner, and this elastomerics is the HYTREL4533 of Du Pont, and its fracture tensile strength is 30MPa, and elongation at break is 600%, and the Izod notch shock is continuous.Melt and refer to 8.5g/10min, 193 ℃ of fusing points, 158 ℃ of Vicat softening points.As electroconductive stuffing, this carbon black specific surface is 254m with carbon black 2/ g, particle diameter are 30 μ m, and the DBPA value reaches 188cm 3/ 100g, density 97g/l.Each composition component content of its blend is listed in the table one.Each component of above-mentioned content was placed high-speed mixer and mixing 1~2 minute, then material is placed the hopper of twin screw extruder, the screw zones temperature is 210~240 ℃.Screw speed is 300rpm.Material after extruding is through water-cooled, and pelletizing obtains product after the drying.This particulate product is injection molded into the standard batten for performance test, and test result is listed in the table two.
Table one high-impact, the high component concentration that flows, conducts electricity the ABS material
Component concentration (weight part) 1 2 3
The HYTREL4533 of ABS Du Pont carbon black oxidation inhibitor UV light stabilizing agent adds up to 600 620 650 200 180 150 200 200 200 2 2 2 2 2 2 1004 1004 1004
Table two high-impact, high electricity, the mechanical property that flows, conducts electricity the ABS material
Performance 1 2 3
Molten (10g/min) hot strength (MPa) simply supported beam notched Izod impact strength (MPa) bending strength (MPa) bending modulus (MPa) surface resistivity (Ω) molding shrinkage (%) that refers to 1.8 2.2 1.6 32 32.4 33.8 12.3 11.8 9.1 34 34.2 36.5 2100 2110 2280 10 5~10 7 10 5~10 7 10 5~10 7 0.9~1.0 0.9 0.9
Embodiment 4-6:
With ABS is base-material (material property is identical with embodiment 1), and thermoplastic polyurethane TPU is a toughner, and carbon black is as electroconductive stuffing (identical with embodiment 1), and each composition component content of its blend is listed in the table three.Each component of above-mentioned content was placed high-speed mixer and mixing 1~2 minute, then material is placed the hopper of twin screw extruder, the screw zones temperature is 210~240 ℃.Screw speed is 300rpm.Material after extruding is through water-cooled, and pelletizing obtains product after the drying.This particulate product is injection molded into the standard batten for performance test, and test result is listed in the table four.
Table three high-impact, the high component concentration that flows, conducts electricity the ABS material
Component concentration (weight part) 1 2 3
ABS thermoplastic polyurethane TPU carbon black oxidation inhibitor UV light stabilizing agent adds up to 600 620 650 200 180 150 200 200 200 2 2 2 2 2 2 1004 1004 1004
Table four high-impact, high electricity, the mechanical property that flows, conducts electricity the ABS material
Performance 1 2 3
Molten (10g/min) hot strength (MPa) simply supported beam notched Izod impact strength (MPa) bending strength (MPa) bending modulus (MPa) surface resistivity (Ω) molding shrinkage (%) that refers to 3.8 3.2 2.6 36.4 39.8 43.8 14.3 13.8 15.1 32.5 33.2 34.5 2000 2010 2080 10 5~10 7 10 5~10 7 10 5~10 7 0.9~1.0 0.9 0.9
Embodiment 7-8:
With ABS is base-material (material property is identical with embodiment 1), the grafts MBS of nuclear-shell structure (being U.S. ROHM HASS company product) is a toughner, carbon black is as electroconductive stuffing (identical with embodiment 1), and each composition component content of its blend is listed in the table five.Each component of above-mentioned content was placed high-speed mixer and mixing 1~2 minute, then material is placed the hopper of twin screw extruder, the screw zones temperature is 210~240 ℃.Screw speed is 300rpm.Material after extruding is through water-cooled, pelletizing, and drying obtains product.To be injection molded into the standard batten behind this particulate product for performance test, test result is listed in the table six.
Table five high-impact, the high component concentration that flows, conducts electricity the ABS material
Component concentration (weight part) 1 2
The grafts MBS carbon black oxidation inhibitor UV light stabilizing agent of ABS nuclear-shell structure adds up to 600 650 200 150 200 200 2 2 2 2 1004 1004
Table six high-impact, high electricity, the mechanical property that flows, conducts electricity the ABS material
Performance 1 2
Molten (10g/min) hot strength (MPa) simply supported beam notched Izod impact strength (MPa) bending strength (MPa) bending modulus (MPa) surface resistivity (Ω) molding shrinkage (%) that refers to 1.8 1.2 38.4 40.1 12.7 11.8 34.5 36.2 2100 2210 10 5~10 7 10 5~10 7 0.8 0.7
In a word, thermoplastic polyester elastomer, the thermoplastic polyurethane TPU of-hard segment structure soft to have, and the grafts MBS with nuclear-shell structure is as toughner, when keeping the material conductivity, improved the shock resistance of carbon black filled ABS matrix material on the one hand, improve the processing flowability of this matrix material on the other hand greatly, satisfied the needs of making the big parts goods of complex construction; In addition, product surface resistivity of the present invention is reduced to 10 5~10 7Ω reaches the antistatic requirement of material, is specially adapted to make miscellaneous parts such as televisor, computer, phone, printer casing and electronics Turnover Box.

Claims (2)

1. high-flowability, impact-resistant and electrically conductive temary acrylonitrile-butadiene-styrene copolymer is characterized in that: described material weight umber prescription is as follows:
ABS 60~65
Carbon black 15~25
Impact modifier 15~20
Oxidation inhibitor 0.1~0.2
UV light absorber 0.2~0.3
Described impact modifier is a thermoplastic polyester elastomer, or thermoplastic polyurethane TPU, or the grafts MBS of nucleocapsid structure;
Described prescription does not contain metal-powder.
2. the preparation technology of a high-flowability, impact-resistant and electrically conductive temary acrylonitrile-butadiene-styrene copolymer, it is characterized in that: the described material of claim 1 was placed high-speed mixer and mixing 1~2 minute, then material is placed the hopper of twin screw extruder, the screw zones temperature is 210~240 ℃, screw speed is 300rpm, and the material of extruding obtains product after water-cooled, pelletizing, drying.
CNB991139321A 1999-07-29 1999-07-29 High-flowability, impact-resistant and electrically conductive temary acrylonitrile-butadiene-styrene copolymer and its preparing process Expired - Lifetime CN1160409C (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CNB991139321A CN1160409C (en) 1999-07-29 1999-07-29 High-flowability, impact-resistant and electrically conductive temary acrylonitrile-butadiene-styrene copolymer and its preparing process
JP2001514039A JP2003529626A (en) 1999-07-29 2000-06-12 High fluidity impact resistant conductive acrylonitrile-butadiene-styrene three-dimensional copolymer composition and method for producing the same
AU53865/00A AU5386500A (en) 1999-07-29 2000-06-12 High fluidible, impact resistant conductive acrylonitrile-butadiene-styrene terpolymer material and preparing method thereof
PCT/CN2000/000154 WO2001009241A1 (en) 1999-07-29 2000-06-12 High fluidible, impact resistant conductive acrylonitrile-butadiene-styrene terpolymer material and preparing method thereof

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CNB991139321A CN1160409C (en) 1999-07-29 1999-07-29 High-flowability, impact-resistant and electrically conductive temary acrylonitrile-butadiene-styrene copolymer and its preparing process

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CN1160409C true CN1160409C (en) 2004-08-04

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JP2002256125A (en) * 2001-02-28 2002-09-11 Daicel Chem Ind Ltd Conductive resin composition
CN102002206A (en) * 2010-12-21 2011-04-06 四川大学 High-glossiness high-toughness scratch resistant molding composition
CN102585429B (en) * 2011-01-11 2015-02-25 合肥杰事杰新材料股份有限公司 Resin material, preparation method and applications of resin material
CN102582188A (en) * 2012-02-16 2012-07-18 仙居县一远静电科技有限公司 Antistatic ABS (Acrylonitrile Butadiene Styrene) laminated board
CN103360718B (en) * 2013-07-14 2015-11-18 上海秋橙新材料科技有限公司 anti-aging ABS-TPU plastic alloy
KR101860388B1 (en) 2017-03-10 2018-05-24 (주)티엘씨코리아 ABS composition for 3D printer filament having excellent discoloration resistance and low shrinkage and filament manufactured therefrom

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JPS52124043A (en) * 1976-04-13 1977-10-18 Kokoku Rubber Ind Electrical conductive resin composition for plating
JPS5950259B2 (en) * 1980-11-17 1984-12-07 住友ベークライト株式会社 Resin composition for plating
JPS58222135A (en) * 1982-06-19 1983-12-23 Nippon Steel Chem Co Ltd Electrically conductive resin composition
JPH072885B2 (en) * 1986-10-14 1995-01-18 東レ株式会社 Thermoplastic resin composition
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AU5386500A (en) 2001-02-19
JP2003529626A (en) 2003-10-07
WO2001009241A1 (en) 2001-02-08

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