Citation: FU Qiang, ZHANG Yulin, WANG Guiheng. THE EFFECT OF MATRIX TOUGHNESS ON THE BRITTLE-DUCTILE TRANSITION OF HDPE/CaCO3 BLENDS*[J]. Chinese Journal of Polymer Science, ;1994, 12(4): 309-315. shu

THE EFFECT OF MATRIX TOUGHNESS ON THE BRITTLE-DUCTILE TRANSITION OF HDPE/CaCO3 BLENDS*

Received Date: 13 September 1993

The effects of HDPE matrix toughness on the brittle-ductile transition of HDPE/CaCO3blends are investigated. Not all HDPE can be toughened by CaCO3 particles. The ability of thematrix to yield plays a fundamental role in determing whether HDPE can be toughened or not.There exists a critical matrix toughness (Isc≈45J/m) below which HDPE can not be toughenedobservably by CaCO3 particle at given average size, and above which the critical matrix ligamentthickness (τc) is proportional to matrix impact strength.
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