High-impact-strength ABS material used at -40 DEG C and preparation method thereof

An ABS material and high-impact technology, applied in the field of high-impact ABS material and its preparation, can solve the problem that ABS cannot meet the requirements of outdoor use, and achieve excellent low-temperature impact resistance, high normal temperature elongation at break, excellent resistance to The effect of impact performance

Inactive Publication Date: 2016-04-20
JILIN DESIGNING INST OF CNPC NORTHEAST REFINING & CHEM ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of the above problems, the present invention provides a high-impact ABS material for minus 40°C and its preparation method to solve the problem that the existing ABS cannot meet the requirements for outdoor use in low temperature environments

Method used

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  • High-impact-strength ABS material used at -40 DEG C and preparation method thereof
  • High-impact-strength ABS material used at -40 DEG C and preparation method thereof
  • High-impact-strength ABS material used at -40 DEG C and preparation method thereof

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preparation example Construction

[0019] figure 1 It is a schematic diagram of a mixing section of a twin-rotor continuous kneader for preparing high-impact ABS materials for minus 40°C according to an embodiment of the present invention. Such as figure 1 As shown, each rotor of the double-rotor continuous mixer includes a feed section, a first mixing section, a conveying section, a second mixing section and a discharge section. In the preparation, the materials are added to the mixer according to the set ratio for pre-mixing. The pre-mixed material is fed into the feeding section of the double-rotor continuous mixer through the metering and feeding device, and the material is pushed to the first mixing section by the feeding screw, and then pushed to the second mixing section by the conveying section screw after blending section for secondary mixing. Due to continuous feeding, the finished mixed materials are discharged through the discharge section to complete the production. The rotor diameter of the mix...

Embodiment 1

[0023] With 69 parts of ABS, 10 parts of styrene-acrylonitrile-butadiene rubber core-shell polymer (toughening agent), 5 parts of hydrogenated styrene butadiene styrene copolymer of star structure and 10 parts Hydrogenated styrene butadiene styrene copolymer (cold resistance modifier), 5 parts of styrene maleic anhydride copolymer (compatibilizer) and 1 part of ethylene bis stearamide (lubricant) ) into a twin-rotor continuous kneader through a feed port, and perform melt mixing and granulation at a kneading temperature of 170°C-200°C. A high-impact ABS material for minus 40°C is produced.

Embodiment 2

[0025] 73 parts of ABS, 10 parts of styrene-acrylonitrile-butadiene rubber core-shell polymer (toughener), 10 parts of hydrogenated styrene butadiene styrene copolymer of star structure, 6 parts Styrene maleic anhydride copolymer (compatibilizer) and 1 part of ethylene bisstearamide (lubricant) are added to the double-rotor continuous mixer through the feed port, and at a mixing temperature of 170°C-200°C Perform melt mixing and granulation. A high-impact ABS material for minus 40°C is produced.

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Abstract

The invention discloses a high-impact-strength ABS material used at -40 DEG C and a preparation method thereof. According to the method, by mass, 50-80 parts of ABS, 5-20 parts of a toughening agent, 5-20 parts of a cold-resistant modifying agent, 3-10 parts of compatilizer and 0.5-3 parts of a lubricating agent are added into a double-rotor continuous mixing mill to be subjected to melt mixing granulation, mixing temperature ranges from 170 DEG C to 200 DEG C, and the high-impact-strength ABS material used at -40 DEG C is obtained. The high-impact-strength ABS material used at -40 DEG C has excellent low-temperature anti-impact performance and still has excellent anti-impact performance especially at -40 DEG C, the normal-temperature elongation at break is high, and the high-impact-strength ABS material used at -40 DEG C can be used outdoors in a severe-cold environment.

Description

technical field [0001] The invention relates to a high-impact ABS material for minus 40°C and a preparation method thereof, belonging to the technical field of ABS low-temperature impact-modified polymer materials. Background technique [0002] Acrylonitrile-butadiene-styrene copolymer (ABS) is one of the five major synthetic resins. It has excellent impact resistance, chemical resistance, and electrical properties. It also has the characteristics of easy processing, stable product size, and good surface gloss. , easy to paint and color, can carry out secondary processing such as surface metal spraying, electroplating, welding, hot pressing and bonding, and is widely used in industrial fields such as machinery, automobiles, electronic appliances, instrumentation, textiles and construction. A thermoplastic engineering plastic with a wide range of uses. [0003] Currently commonly used ABS has excellent impact resistance at room temperature 23°C, and the notched impact streng...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L55/02C08L25/12C08L53/02C08L35/06C08K5/20
CPCC08L55/02C08L2205/025C08L2205/035C08L25/12C08L53/025C08L35/06C08K5/20
Inventor 石文彪周江沛李欣平缪国斌刘春林周小伟史舸
Owner JILIN DESIGNING INST OF CNPC NORTHEAST REFINING & CHEM ENG
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