The present invention relates to the technical field of plastics, and relates to a PC-PBT double-matrix composite material. The PC-PBT double-matrix composite material uses PC and PBT in equal weight parts as matrixs of the composite material, and contains a multi-component functional additive. The PC-PBT double-matrix composite material has excellent aging resistance performance, excellent flame retardant performance, good mechanical strength and lasting weatherability. The PC-PBT double-matrix composite material has excellent comprehensive performance and a wide application scope.
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