Miscibility and synergistic effect of impact strength in polycarbonate/ABS blends

Jong Han Chun; Ki Suck Maeng; Kwang S. Suh

doi:10.1007/BF01143232

Miscibility and synergistic effect of impact strength in polycarbonate/ABS blends

Jong Han Chun, Ki Suck Maeng, Kwang S. Suh

Department of Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

26 Citations (Scopus)

Abstract

Miscibility and mechanical properties of polycarbonate/acrylonitrile-butadiene-styrene (PC/ABS) blends prepared by a continuous kneader-type extruder were investigated. It was found that the PC/ABS blend consists of the miscible PC/SAN phases and immiscible PC/PB phases, which agrees well with that predicted by the group contribution method of solubility parameters. Differences in calculated solubility parameter (Δδ) are 0.20 (cal cm^-3)^1/2 for the PC/SAN pair and 1.85 (cal cm^-3)^1/2 for the PC/PB pair. Interestingly, the impact strength of the present PC/ABS blends exhibits a synergistic effect over a much wider range of polycarbonate content, i.e. 20%-80%, than that of the previously reported ones. This may be attributed to the enhanced mixing and low butadiene content. However, further work on the relationship with the rubber particle size is required to understand fully this observation.

Original language	English
Pages (from-to)	5347-5352
Number of pages	6
Journal	Journal of Materials Science
Volume	26
Issue number	19
DOIs	https://doi.org/10.1007/BF01143232
Publication status	Published - 1991 Oct

ASJC Scopus subject areas

Materials Science(all)
Mechanics of Materials
Mechanical Engineering

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abstract = "Miscibility and mechanical properties of polycarbonate/acrylonitrile-butadiene-styrene (PC/ABS) blends prepared by a continuous kneader-type extruder were investigated. It was found that the PC/ABS blend consists of the miscible PC/SAN phases and immiscible PC/PB phases, which agrees well with that predicted by the group contribution method of solubility parameters. Differences in calculated solubility parameter (Δδ) are 0.20 (cal cm-3)1/2 for the PC/SAN pair and 1.85 (cal cm-3)1/2 for the PC/PB pair. Interestingly, the impact strength of the present PC/ABS blends exhibits a synergistic effect over a much wider range of polycarbonate content, i.e. 20%-80%, than that of the previously reported ones. This may be attributed to the enhanced mixing and low butadiene content. However, further work on the relationship with the rubber particle size is required to understand fully this observation.",

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AU - Chun, Jong Han

AU - Maeng, Ki Suck

AU - Suh, Kwang S.

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N2 - Miscibility and mechanical properties of polycarbonate/acrylonitrile-butadiene-styrene (PC/ABS) blends prepared by a continuous kneader-type extruder were investigated. It was found that the PC/ABS blend consists of the miscible PC/SAN phases and immiscible PC/PB phases, which agrees well with that predicted by the group contribution method of solubility parameters. Differences in calculated solubility parameter (Δδ) are 0.20 (cal cm-3)1/2 for the PC/SAN pair and 1.85 (cal cm-3)1/2 for the PC/PB pair. Interestingly, the impact strength of the present PC/ABS blends exhibits a synergistic effect over a much wider range of polycarbonate content, i.e. 20%-80%, than that of the previously reported ones. This may be attributed to the enhanced mixing and low butadiene content. However, further work on the relationship with the rubber particle size is required to understand fully this observation.

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Miscibility and synergistic effect of impact strength in polycarbonate/ABS blends

Abstract

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