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Extra-dark PC/ABS alloy material and preparation method thereof

An alloy material, special black technology, applied in the field of special black PC/ABS alloy material and its preparation, can solve the problems of dust pollution, human body harm, etc. Effect

Active Publication Date: 2017-03-22
SHANGHAI ZHONGLEI NEW MATERIAL SCI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, when carbon black and resin are mixed, the dust pollution is serious, which will cause certain harm to the human body while polluting the environment. Therefore, an environmentally friendly production process is one of the goals pursued by the factory.

Method used

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  • Extra-dark PC/ABS alloy material and preparation method thereof
  • Extra-dark PC/ABS alloy material and preparation method thereof
  • Extra-dark PC/ABS alloy material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0074]According to the ratio of raw materials (see Table 1), mix PC resin, ABS resin, PE wax, mineral oil, antioxidant, lubricant and coupling agent in a high-speed mixer, and blend for 2 minutes at a speed of 750r / min ; Add carbon black to it, and continue blending for 3 minutes at a rotating speed of 1500r / min; join the obtained mixture into a twin-screw extruder for extrusion, and carry out melt co-extrusion through nine hot zones in turn, and set the twin-screw The speed of the extruder is 250r / min, the temperature of the first zone is 210°C, the temperature of the second zone is 230°C, the temperature of the third zone is 245°C, the temperature of the fourth zone is 255°C, the temperature of the fifth zone is 265°C, and the temperature of the sixth zone is 270 ℃, the temperature in the seventh zone is 265℃, the temperature in the eighth zone is 250℃, the temperature in the ninth zone is 245℃, co-extrude for 1min; extrude the mixture after melt co-extrusion, cool, dry and p...

Embodiment 2

[0076] According to the ratio of raw materials (see Table 1), mix PC resin, ABS resin, PE wax, mineral oil, antioxidant, lubricant and coupling agent in a high-speed mixer, and blend for 3 minutes at a speed of 800r / min Add carbon black to it, and continue blending for 5 minutes at a speed of 1600r / min; join the obtained mixture into a twin-screw extruder, and carry out melt co-extrusion through nine hot zones in turn, and set the twin-screw extrusion The speed of the machine is 350r / min, the temperature of the first zone is 230°C, the temperature of the second zone is 245°C, the temperature of the third zone is 255°C, the temperature of the fourth zone is 265°C, the temperature of the fifth zone is 270°C, and the temperature of the sixth zone is 275°C. The temperature of zone 7 is 270°C, the temperature of zone 8 is 265°C, the temperature of zone 9 is 260°C, co-extrude for 3 minutes; extrude the melt-blended mixture, cool, dry, and pelletize to obtain extra black PC / ABS Alloy...

Embodiment 3

[0078] According to the ratio of raw materials (see Table 1), PC resin, ABS resin, PE wax, mineral oil, antioxidant, lubricant and coupling agent are mixed in a high-speed mixer, and blended at a speed of 780r / min for 2.5 min; add carbon black to it, and continue blending for 4min at a speed of 1550r / min; add the obtained mixture into a twin-screw extruder, and carry out melt co-extrusion through nine hot zones in turn, and set the twin-screw extrusion The output speed is 300r / min, the temperature in the first zone is 220°C, the temperature in the second zone is 240°C, the temperature in the third zone is 250°C, the temperature in the fourth zone is 260°C, the temperature in the fifth zone is 265°C, and the temperature in the sixth zone is 270°C , the temperature in zone 7 is 275°C, the temperature in zone 8 is 260°C, the temperature in zone 9 is 255°C, and blended for 3 minutes; the mixture after melt blending is extruded, cooled, dried, and pelletized to obtain extra black PC...

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Abstract

The invention provides an extra-dark PC / ABS alloy material and a preparation method thereof. The alloy material comprises the following raw material components in parts by weight: 40-70 parts of PC resin, 30-60 parts of ABS resin, 1.5-2 parts of carbon black, 2-6 parts of mineral oil, 2-4 parts of PE wax and 0.5-2 parts of a coupling agent. The preparation method comprises the following steps: raw material mixing, melting and co-mixing, extruding and pelletizing, cooling, drying, grain-sized dicing and the like. According to the extra-dark PC / ABS alloy material and the preparation method thereof provided by the invention, dispersion of carbon block and liquidity of the alloy material are improved in a processing process, so that a color characterization value L of the alloy material is reduced to be 2, a melt flow rate reaches 27 g / 10min, and a surface pitting phenomenon and a surface white-spot phenomenon are avoided; meanwhile, a preparation process is improved, pollution on environment in a preparation process is reduced, and finally, the PC / ABS alloy material which has excellent processing characteristics, extra-dark color, excellent dispersion, good surface glossiness and ultraviolet light resistance is finally prepared.

Description

technical field [0001] The invention relates to the fields of polymer blending and polymer molding processing, in particular to an extra-black PC / ABS alloy material and a preparation method thereof. Background technique [0002] PC / ABS, the copolymer and mixture of polycarbonate and acrylonitrile-butadiene-styrene, is a thermoplastic plastic made of polycarbonate (Polycarbonate) and polyacrylonitrile (ABS) alloy, combining two The excellent characteristics of this material, the formability of ABS material and the mechanical properties of PC, impact strength and temperature resistance, anti-ultraviolet (UV) and other properties, can be widely used in automotive interior parts, business machines, communication equipment, home appliances and lighting equipment superior. [0003] The purpose of carbon black dispersion is to meet the customer's requirements for product performance. Dispersing carbon black into PC / ABS can prepare black PC / ABS alloy materials with excellent perfor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L69/00C08L55/02C08L91/06C08L23/06C08K3/04B29C47/92B29C48/92
CPCB29C48/92B29C2948/9258B29C2948/92704C08L55/02C08L69/00C08L2201/08C08L2205/035C08L91/06C08L23/06C08K3/04
Inventor 刘春艳汪刘磊王春光
Owner SHANGHAI ZHONGLEI NEW MATERIAL SCI CO LTD
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