WO2001009241A1 - Terpolymere d'acrylonitrile-butadiene-styrene conducteur faisant preuve d'une resistance aux chocs et d'une haute fluidite et son procede de preparation - Google Patents

Terpolymere d'acrylonitrile-butadiene-styrene conducteur faisant preuve d'une resistance aux chocs et d'une haute fluidite et son procede de preparation Download PDF

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Publication number
WO2001009241A1
WO2001009241A1 PCT/CN2000/000154 CN0000154W WO0109241A1 WO 2001009241 A1 WO2001009241 A1 WO 2001009241A1 CN 0000154 W CN0000154 W CN 0000154W WO 0109241 A1 WO0109241 A1 WO 0109241A1
Authority
WO
WIPO (PCT)
Prior art keywords
impact
abs
flow
butadiene
resistant conductive
Prior art date
Application number
PCT/CN2000/000154
Other languages
English (en)
Chinese (zh)
Inventor
Guisheng Yang
Yongdong Chen
Qing Xu
Original Assignee
Shanghai Genius Advanced Material Co. Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Genius Advanced Material Co. Ltd. filed Critical Shanghai Genius Advanced Material Co. Ltd.
Priority to AU53865/00A priority Critical patent/AU5386500A/en
Priority to JP2001514039A priority patent/JP2003529626A/ja
Publication of WO2001009241A1 publication Critical patent/WO2001009241A1/fr

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L55/00—Compositions of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C08L23/00 - C08L53/00
    • C08L55/02—ABS [Acrylonitrile-Butadiene-Styrene] polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion 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
    • B29C48/04—Particle-shaped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means 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
    • B29C48/40—Means 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/919—Thermal 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

Definitions

  • the invention relates to an engineering plastic material and a preparation process thereof, and particularly to a high-flow impact-resistant conductive acrylonitrile-butadiene-styrene terpolymer material and a preparation process thereof.
  • ABS resin Acrylonitrile-butadiene-styrene terpolymer (ABS) resin is widely used in the electronics, communication and other home appliance industries to manufacture casings for telephones, computers, televisions, etc. due to its excellent mechanical properties and surface gloss. component.
  • ABS resin is an insulating material, its volume and surface resistivity are relatively high, so the surface of the product is prone to generate electrostatic charges due to friction and other reasons.
  • the surface of the product can be easily dusted and affect the appearance. The accumulated static charge can cause spark discharge and affect the normal operation of the semiconductor integrated circuit. It can even cause electric shock to the user.
  • external interference electromagnetic waves easily pass through the insulated ABS shell and affect the normal operation of the internal circuit system.
  • ABS resin When the ABS resin is given a certain conductivity, it can eliminate the harm of electrostatic charges accumulated on the surface area of the product to the human body, on the other hand, it can shield electromagnetic waves, and effectively prevent the external electromagnetic waves from interfering with the normal operation of the equipment circuit system.
  • conductive fillers such as metal powder, fiber and graphite, carbon black, and carbon fiber in the ABS resin matrix.
  • metal powders and fibers have disadvantages such as the surface is easy to oxidize, it is not easy to process, the weight is heavy, and the mechanical and mechanical properties of the material are seriously deteriorated, which severely restricts its application.
  • graphite has a large electrical resistance, a poor electrical conductivity, and a relatively expensive carbon fiber. These factors have affected their widespread application in industry.
  • carbon black filled ABS is a more commonly used method.
  • the poor adhesion between carbon black and the ABS matrix will cause the impact resistance and flow properties of the carbon black filled composite to decrease sharply, which seriously affects The processing performance of the material and the end-use effect of the product.
  • the purpose of the present invention is to provide a method for preparing a conductive ABS material with good processing flow performance and impact resistance in order to overcome the defects existing in the prior art.
  • the object of the present invention can be achieved by:
  • ABS conductive acrylonitrile-butadiene-styrene terpolymer
  • the impact modifier is a thermoplastic polyester elastomer.
  • the impact modifier is a thermoplastic polyurethane TPU.
  • the impact modifier is a core-shell structure graft MBS.
  • a process for preparing a high-flow and impact-resistant conductive ABS material which is characterized in that the above components are mixed in a high-mixing machine for 1 to 2 minutes, and then the materials are placed in the hopper of a twin-screw extruder.
  • the segment temperature is 210 ⁇ 240 ° C
  • the screw speed is 300 rpm
  • the extruded material is water cooled, pelletized, and dried to obtain the product.
  • Embodiments 1 to 3 are identical to Embodiments 1 to 3:
  • the ABS resin is a high toughness and high flow material.
  • MI 3 ⁇ 4g / 10min
  • notched impact strength of simply supported beam is 25 ⁇ 35kJ / m 2
  • tensile strength is 40 ⁇ 60MPa.
  • a thermoplastic polyester elastomer was used as a toughening agent, and the elastomer was DuPont HYTREL4533.
  • the tensile strength at break was 30 MPa, and the elongation at break was 600 ° /. , Izod notch shock constantly.
  • the specific surface of the carbon black is 251 ⁇ 27g, the particle size is 30 ⁇ , the DBPA value is 188cm7100g, and the density is 97g / l.
  • the content of each composition component of the blend is shown in Table 1.
  • the components with the above contents are mixed in a high-mixer for 1 to 2 minutes, and then the materials are placed in the hopper of a twin-screw extruder, and the temperature of each section of the screw is 210-240 ° F. Screw speed is 300rpn! .
  • the extruded material is water cooled, pelletized, and dried to obtain the product.
  • the granulated product is injection molded into a standard spline for performance
  • Table 1 Component content of high impact, high flow, conductive ABS material Component content (parts by weight) 1 2 3
  • Carbon black 200 200
  • Antioxidant 2 2 UV light stabilizer 2 2 2
  • thermoplastic polyurethane TPU is a toughening agent
  • carbon black is used as a conductive filler (same as in Example 1).
  • the content of each composition component of the blend is listed in Table III.
  • the components with the above contents are mixed in a high mixer for 1 to 2 minutes, and then the materials are placed in the hopper of a twin screw extruder, and the temperature of each section of the screw is 210 to 240 ° C. The screw speed was 300 rpm. After extrusion The material is water-cooled, pelletized, and dried to obtain the product. The granulated product was injection molded into a standard spline for performance testing.
  • the test results are listed in Table IV.
  • ABS 600 620 650 Thermoplastic polyurethane TPU 200 180 150 Carbon black 200 200 200 Antioxidant 2 2 2 Ultraviolet light stabilizer 2 2 2 Total 1004 1004 1004
  • Example 1 Based on ABS (material properties are the same as in Example 1), core-shell structure graft MBS (product of ROHM HASS Company in the United States) is used as toughener, and carbon black is used as conductive filler (same as in Example 1)
  • the content of each composition component of the blend is listed in Table 5.
  • the components with the above contents are mixed in a high mixer for 1 to 2 minutes, and then the materials are placed in the hopper of a twin screw extruder, and the temperature of each section of the screw is 210 to 240 ° C. The screw speed was 300 rpm.
  • the extruded material is water-cooled, pelletized, and dried to obtain the product. After the granular product
  • Table 6 Component content of high impact, high flow, conductive ABS material Component content (parts by weight) 1 2
  • ABS 600 650 Core-shell structure graft MBS 200 150 Carbon black 200 200 Antioxidant 2 2 Ultraviolet light stabilizer 2 2 Total 1004 1004
  • a toughening agent a thermoplastic polyester elastomer having a soft-hard segment structure, a thermoplastic polyurethane TPU, and a graft having a core-shell structure MBS were used as toughening agents. While maintaining the conductive properties of the material, on the one hand, the impact resistance of carbon black-filled ABS composites is improved, and on the other hand, the processing flow properties of this composite material are greatly improved, which meets the needs of making large parts with complex structures; The surface resistivity of the invention product is reduced to 10 5 ⁇ 10 7 ⁇ , which meets the antistatic requirements of materials. It is especially suitable for manufacturing other components such as televisions, computers, telephones, printer enclosures, and electronic turnover boxes.
  • the present invention is different in that it uses conductive carbon black as a conductive filler, and in the ABS-carbon black system, several types of polymer impact modifiers with good compatibility with ABS resin are correctly selected.
  • Additives such as thermoplastic polyester elastomers, thermoplastic polyurethane TPU, grafts MBS with core-shell structure
  • the impact resistance of carbon black filled ABS composites is improved, on the other hand, the processing flow properties of this composite material are greatly improved, which meets the needs of making large parts with complex structures.

Landscapes

  • 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

L'invention concerne un terpolymère d'acrylonitrile-butadiène-styrène conducteur faisant preuve d'une résistance aux chocs et d'une haute fluidité et son procédé de préparation. Ce terpolymère présente la formule suivante (exprimée en % en poids) entre 60 et 65 d'ABS, entre 15 et 25 de charbon noir, entre 15 et 20 de modificateur de chocs, entre 0,1 et 0,2 d'antioxydant et entre 0,2 et 0,3 d'agent absorbant d'UV. Tous les composants ayant la teneur précitée sont introduits dans un mélangeur haute vitesse pour y être mélangés puis extrudés avec une extrudeuse à double vis, la charge extrudée étant refroidie avec de l'eau puis pulvérisée et séchée de manière à obtenir le produit final. Par rapport à la technique antérieure, l'invention présente des avantages tels qu'une fluidité élevée, une forte résistance aux chocs tout en assurant une bonne conductivité.
PCT/CN2000/000154 1999-07-29 2000-06-12 Terpolymere d'acrylonitrile-butadiene-styrene conducteur faisant preuve d'une resistance aux chocs et d'une haute fluidite et son procede de preparation WO2001009241A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU53865/00A AU5386500A (en) 1999-07-29 2000-06-12 High fluidible, impact resistant conductive acrylonitrile-butadiene-styrene terpolymer material and preparing method thereof
JP2001514039A JP2003529626A (ja) 1999-07-29 2000-06-12 高流動性耐衝撃性導電性アクリロニトリル・ブタジエン・スチレン三次元共重合体組成物およびその製造方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CNB991139321A CN1160409C (zh) 1999-07-29 1999-07-29 高流动耐冲击导电丙烯腈-丁二烯-苯乙烯三元共聚物材料及其制备工艺
CN99113932.1 1999-07-29

Publications (1)

Publication Number Publication Date
WO2001009241A1 true WO2001009241A1 (fr) 2001-02-08

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Family Applications (1)

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PCT/CN2000/000154 WO2001009241A1 (fr) 1999-07-29 2000-06-12 Terpolymere d'acrylonitrile-butadiene-styrene conducteur faisant preuve d'une resistance aux chocs et d'une haute fluidite et son procede de preparation

Country Status (4)

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JP (1) JP2003529626A (fr)
CN (1) CN1160409C (fr)
AU (1) AU5386500A (fr)
WO (1) WO2001009241A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG93928A1 (en) * 2001-02-28 2003-01-21 Daicel Chem Electroconductive resin composition

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102002206A (zh) * 2010-12-21 2011-04-06 四川大学 一种高光高韧抗划痕模塑组合物
CN102585429B (zh) * 2011-01-11 2015-02-25 合肥杰事杰新材料股份有限公司 一种树脂材料、制备方法及其应用
CN102582188A (zh) * 2012-02-16 2012-07-18 仙居县一远静电科技有限公司 一种防静电abs贴面板
CN103360718B (zh) * 2013-07-14 2015-11-18 上海秋橙新材料科技有限公司 抗老化abs-tpu塑料合金
KR101860388B1 (ko) 2017-03-10 2018-05-24 (주)티엘씨코리아 내충격성 및 저수축성이 향상된 3d 프린터 필라멘트용 abs 조성물 및 이로부터 제조된 필라멘트

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52124043A (en) * 1976-04-13 1977-10-18 Kokoku Rubber Ind Electrical conductive resin composition for plating
JPS5785994A (en) * 1980-11-17 1982-05-28 Sumitomo Bakelite Co Ltd Resin composition for plating
JPH0480249A (ja) * 1990-07-23 1992-03-13 Sumitomo Dow Ltd 充填剤配合樹脂組成物の製造方法
US5989723A (en) * 1997-05-16 1999-11-23 Far Eastern Textile Ltd. Conductive polyester-based alloy sheet

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JPS58222135A (ja) * 1982-06-19 1983-12-23 Nippon Steel Chem Co Ltd 導電性樹脂組成物
JPH072885B2 (ja) * 1986-10-14 1995-01-18 東レ株式会社 熱可塑性樹脂組成物
JPH0657153A (ja) * 1992-08-10 1994-03-01 Daicel Chem Ind Ltd 制電性樹脂組成物
JPH0665508A (ja) * 1992-08-18 1994-03-08 Daicel Chem Ind Ltd 制電性樹脂組成物
JP3465340B2 (ja) * 1994-04-01 2003-11-10 Ｊｓｒ株式会社 熱可塑性樹脂組成物

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52124043A (en) * 1976-04-13 1977-10-18 Kokoku Rubber Ind Electrical conductive resin composition for plating
JPS5785994A (en) * 1980-11-17 1982-05-28 Sumitomo Bakelite Co Ltd Resin composition for plating
JPH0480249A (ja) * 1990-07-23 1992-03-13 Sumitomo Dow Ltd 充填剤配合樹脂組成物の製造方法
US5989723A (en) * 1997-05-16 1999-11-23 Far Eastern Textile Ltd. Conductive polyester-based alloy sheet

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG93928A1 (en) * 2001-02-28 2003-01-21 Daicel Chem Electroconductive resin composition

Also Published As

Publication number Publication date
AU5386500A (en) 2001-02-19
CN1160409C (zh) 2004-08-04
CN1282762A (zh) 2001-02-07
JP2003529626A (ja) 2003-10-07

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