Abstract: ABS/PC alloy was prepared with fresh ABS resin and recycled PC resin from waste CD via melt blending. The influence of the content of recycle PC on the mechanical properties of the alloy was discussed. Two compatibilizers, MBS and POE-g-GMA were used to improve the interfacial adhesion of the alloy. It showed that the tensile strength of ABS/PC alloy increased with increasing content of recycle PC . The impact strength of ABS/PC alloy increased first and then decreased, with the highest impact strength at the content of recycled PC of 10 wt %. The alloy was better toughened with MBS than with POE-g-GMA. When the content of recycled PC was 5 %，the impact strength of ABS/PC/MBS alloy increased 42.8 % compared with that of neat ABS.

Key words: acrylonitrile-butadiene-styrene copolymer, alloy, compatibilizer, mechanical property, recycled polycarbonate