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2009•Journal of Functional BiomaterialsOpen access

Tudy of the compatibility and properties of PBT/PC blends

Qiang Zheng

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Abstract

The PBT-PC copolymers prepared through ester exchange reaction was used as compatibilizers in the PBT/PC blends.Effects of compatibilizers on the properties the blends were studied.Results showed that compatibilizers in the PBT/PC blends enhanced the compatibility between two phases,so the balance between mechanical strength and toughness was achieved.Move PC component in the blends influences crystallization of PBT and decreases the molding contractibility of PBT.The resistance of PC to solvent erode is improved due to the presence of PBT in the blend.The solvent resistance and the flowability of PC increase with increasing PBT content.

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The PBT-PC copolymers prepared through ester exchange reaction was used as compatibilizers in the PBT/PC blends.Effects of compatibilizers on the properties the blends were studied.Results showed that compatibilizers in the PBT/PC blends enhanced the compatibility between two phases,so the balance between mechanical strength and toughness was achieved.Move PC component in the blends influences crystallization of PBT and decreases the molding contractibility of PBT.The resistance of PC to solvent erode is improved due to the presence of PBT in the blend.The solvent resistance and the flowability of PC increase with increasing PBT content.

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Available abstract

The PBT-PC copolymers prepared through ester exchange reaction was used as compatibilizers in the PBT/PC blends.Effects of compatibilizers on the properties the blends were studied.Results showed that compatibilizers in the PBT/PC blends enhanced the compatibility between two phases,so the balance between mechanical strength and toughness was achieved.Move PC component in the blends influences crystallization of PBT and decreases the molding contractibility of PBT.The resistance of PC to solvent erode is improved due to the presence of PBT in the blend.The solvent resistance and the flowability of PC increase with increasing PBT content.

Key concepts: Materials science, Compatibility (geochemistry), Composite material, Toughness, Solvent, Compounding, Crystallization, Izod impact strength test

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