Makrolon/ABS composite material and preparation method thereof

A technology of polycarbonate and composite materials, applied in the field of modified polycarbonate/ABS composite materials and its preparation, can solve the problems of unsatisfactory material performance and limited performance improvement, and achieve excellent comprehensive mechanical properties and low cost The effect of low and good application prospects

Active Publication Date: 2012-02-29
CHINA PETROLEUM & CHEM CORP +1
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Problems solved by technology

Chinese patent (CN1580126A) discloses the use of ABS / PP-g-MAH as a compatibilizer for PC / ABS composites. Due to the introduction of the third component polypropylene (PP) which is not compatible with PC and ABS, the modification The performance of the PC / ABS composite material has been improved to a limited extent, and the performance of the material is still unsatisfactory.

Method used

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  • Makrolon/ABS composite material and preparation method thereof

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Comparison scheme
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Embodiment 1～4

[0026] Polycarbonate (PC-141, American GE Company), ABS (ABS-747S, Taiwan Chimei Company), polarized SDS (SDS, Baling Petrochemical Co., Ltd., its number average molecular weight is 84,300, polarity Block weight content 3.0%), antioxidant (B225, Swiss CIBA company), lubricant (EBS, Shanghai), put into a low-speed mixer and stir evenly, so that all components are fully mixed evenly. Then the above mixed material was extruded and granulated in a twin-screw extruder (TE-30, Nanjing Ruiya Company) at a temperature of 220° C. to 260° 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 270°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 provides a high-performance makrolon / ABS composite material and a preparation method thereof. The composite material mainly comprises makrolon, polyacrylonitrile-butadiene-styrol copolymer (ABS) and polar sodium dodecyl sulfate (SDS). The composite material solves the problem of compatibility between PC and ABS, greatly improves the impact strength of PC / ABS composite material, particularly low-temperature impact strength and substantially maintains other mechanical properties.

Description

technical field [0001] The invention relates to the technical field of polymer composite materials, in particular to a modified polycarbonate / ABS composite material and a preparation method thereof. Background technique [0002] Polycarbonate (PC) is an amorphous, odorless, non-toxic, highly transparent thermoplastic engineering plastic with excellent physical and mechanical properties, especially excellent impact resistance, and the impact strength is the highest among all plastics ; PC also has good heat resistance and low temperature resistance, stable mechanical properties and dimensional stability in a wide temperature range. However, PC is expensive, sensitive to notches, and poor in stress cracking resistance; in addition, due to the high rigidity of the molecular chain, the high viscosity of the resin melt, poor fluidity, and difficult molding, these defects largely limit its application. [0003] Compared with PC, acrylonitrile-butadiene-styrene (ABS) is moderately...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L69/00C08L53/02C08L55/02
Inventor 蔡涛金滟丁树岩刘善元石胜鹏元文芳张静陈绍梅
Owner CHINA PETROLEUM & CHEM CORP
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