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Polycarbonate composite

A polycarbonate and composite material technology, which is applied in the field of polymer material modification, can solve the problems of sharp drop in molding toughness and reduced molding stability, and achieves the advantages of improving molding toughness, avoiding pretreatment, and improving molding stability. Effect

Active Publication Date: 2016-04-20
辽宁金发科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Better rigidity can be obtained by adding fillers in polycarbonate, but the fillers will inevitably bring basic metal ions, the presence of basic metal ions will not only affect the color of the filler, but also cause molding in PC products Sudden drop in toughness and reduction in molding stability

Method used

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  • Polycarbonate composite

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1-14 and comparative example 1-2

[0057] Embodiment 1-14 and comparative example 1-2: the preparation of polycarbonate composite material

[0058] According to the formula shown in Table 1, polycarbonate, ABS resin, copper-containing compounds, and fillers are blended in a high mixer to obtain a pretreated resin matrix; weigh the pretreated resin matrix and other additives in proportion Finally, blending is completed by a high-speed mixer or a mixer, the extrusion temperature is 240 ° C, cooled by water, and pelletized to obtain a polycarbonate composite material with columnar particles. The ratio of each component and performance test results are shown in Table 1.

[0059] Various performance evaluation methods:

[0060] (1) Flexural modulus:

[0061] The polycarbonate composite material was injection molded at an injection temperature of 260°C, the mold temperature was 100°C, and the test piece with a sample size of 12.6mm*3.2mm and a length greater than 100mm was used to measure the The flexural modulus ...

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PUM

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Abstract

The invention discloses a polycarbonate composite. The polycarbonate composite comprises, in parts by weight, 30-80 parts of polycarbonate, 5-40 parts of ABS (acrylonitrile butadiene styrene) and 5-80 parts of filler, wherein on the basis of the total weight of the polycarbonate composite, the weight content of copper elements is 0.01 ppm-20 ppm. A copper-containing compound with lower soluble copper content is added to the composite, and the content of the copper elements in the composite is controlled in the range of 0.01-20 ppm to reduce or avoid addition of other copper-containing compounds, pretreatment of filler powder can be avoided, and alkaline ions in a system can be stabilized, so that the prepared polycarbonate composite has remarkably improved forming toughness and forming use stability and further can combine the rigidity of the filler.

Description

technical field [0001] The invention belongs to the field of polymer material modification, and in particular relates to a polycarbonate composite material with improved molding toughness and molding stability. Background technique [0002] Polycarbonate PC has excellent heat resistance and high impact resistance, and is widely used in the field of exterior materials such as electrical / electronic products and automotive parts. In recent years, the thinning of molded articles molded from resin compositions has progressed, and demands for improvement in various physical properties of molded articles have been increasing. [0003] Better rigidity can be obtained by adding fillers in polycarbonate, but the fillers will inevitably bring basic metal ions, the presence of basic metal ions will not only affect the color of the filler, but also cause molding in PC products Sudden drop in toughness and reduction in molding stability. [0004] The present invention has surprisingly f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L69/00C08L55/02C08L51/04C08K13/02C08K3/34C08K5/134C08K5/526C08K5/103
CPCC08L69/00C08L2205/03C08L55/02C08L51/04C08K13/02C08K3/34C08K5/1345C08K5/526C08K5/103
Inventor 佟伟岑茵艾军伟谢修好董相茂陈勇文孙东海叶南飚
Owner 辽宁金发科技有限公司
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