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Recylings of cross-linked polymers have been taken a great attention because of deep cousideration of prevention of environmental pollution and of resource conservation over the world.However,even this moment,most industrial wastes of crosslinked polymers are burned as fuel or disposed of in landfills because they are difficult to process into other useful material due to their low fluidity and poor moldability.Although there are some ways to recycle the waste cross-linked polymer such as thermal recycling,thermal decomposition and blending,these methods are not economical compared with material recycling.