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PA (polyamide)/ABS (Acrylonitrile Butadiene Styrene) composite material and preparation method thereof

A composite material and polyamide technology, applied in the field of ultra-high toughness PA/ABS composite material and its preparation, can solve the problems of low melt viscosity, large difference in solubility parameters, poor compatibility, etc., and achieve simple and reliable operation process , low cost, and the effect of improving impact strength

Inactive Publication Date: 2011-05-11
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Nylon is a polymer with crystallinity, strong polarity and low melt viscosity, while ABS is a non-crystalline, weakly polar polymer. The solubility parameters of the two are quite different. Therefore, PA and ABS Simple blends have the disadvantage of poor compatibility

Method used

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  • PA (polyamide)/ABS (Acrylonitrile Butadiene Styrene) composite material and preparation method thereof

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Embodiment 1～4

[0025] Polycaprolactam (PA6-1013B, Japan UBE Company, dried at 100°C for 6 hours), ABS (ABS-747S, Taiwan Chimei Company, dried at 90°C for 4 hours), polarized SDS (SDS, Baling Petrochemical Co., Ltd. , its number-average molecular weight is 84,300, polar block weight content 3.0%), antioxidant (1098 and 168, Swiss CIBA company), lubricant (EBS, Shanghai), put into low-speed mixer and stir evenly, make each The ingredients are thoroughly mixed evenly. Then the above mixed material was extruded and granulated in a BUSS kneading unit (MKD-30, Swiss BUSS company) at a temperature of 220° C. to 240° C. The extruded pellets were dried in a constant temperature oven at 95°C for 6 hours, and then injected into standard specimens at a temperature of 230°C to 250°C for various mechanical property tests. The content of each component is calculated in parts by weight. The test standards and mechanical performance results are shown in Table 1.

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Abstract

The invention discloses a PA (polyamide) / ABS (Acrylonitrile Butadiene Styrene) composite material and a preparation method thereof, relating to the technical field of high polymer materials. The PA / ABS composite material comprises 40-80 parts by weight of polyamide, 15-50 parts by weight of ABS and 5-30 parts by weight of polarization SDS (Sodium Dodecyl Sulfonate). The preparation method comprises the following steps of: evenly mixing all components, including PA, ABS and polarization SDS, in the component proportion by a mixer; fusing, mixing and extruding by double screws; and finally granulating to obtain the PA / ABS composite material. The invention better solves the problem of compatibility between PA and ABS, and the composite material has excellent comprehensive mechanical property.

Description

technical field [0001] The invention relates to the technical field of polymer materials, in particular to an ultra-high toughness PA / ABS composite material and a preparation method thereof. Background technique [0002] Polyamide (PA), commonly known as nylon, is a thermoplastic engineering plastic widely used in automobiles, electronics, machinery, instrumentation and other fields. PA has excellent wear resistance, oil resistance and wide temperature range. Its disadvantages are high water absorption, poor dimensional stability, low temperature and low dry impact strength, which largely limit its application. [0003] The blending modification of nylon with acrylonitrile-butadiene-styrene (ABS) is expected to improve the shortcomings of nylon and broaden the application field of nylon. The PA / ABS composite material prepared by blending not only combines the heat resistance and oil resistance of nylon, but also combines the toughness and rigidity of ABS. The material has e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L77/02C08L77/06C08L55/02C08L53/00
Inventor 蔡涛金滟丁树岩刘善元元文芳石胜鹏张静陈绍梅
Owner CHINA PETROLEUM & CHEM CORP
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