The research progress on compatibility,phase morphology,crystallization behavior,rheological behavior and mechanical properties of polypropylene(PP)/polybutene(PB)blends is reviewed.The research direction of PP/PB blends is prospected.PP modified by PB which has similar chemical composition and processing conditions and performs excellently in impact and low temperature resistance shows potential application in pipe materials,medical supplies,and heat sealing insulation and needs further research.
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