Citation: . SPECIAL EFFECT OF ULTRA-FINE RUBBER PARTICLES ON PLASTIC TOUGHENING*[J]. Chinese Journal of Polymer Science, ;2002, 20(2): 93-98. shu

SPECIAL EFFECT OF ULTRA-FINE RUBBER PARTICLES ON PLASTIC TOUGHENING*

Received Date: 25 October 2001
Revised Date: 23 November 2001

According to the present theories of plastic toughening, it is impossible to enhance the toughness, stiffness and/orheat resistance of plastics simultaneously by using rubber. A series of novel nano-rubber particles (UFPR) were introduced,which were prepared through irradiating common rubber lattices and spray drying them. Epoxies toughened with UFPRshowed a much better toughening effect than those with CTBN, and the heat resistance of epoxy was unexpectedly elevated.For polypropylene toughening,UFPR can improve the toughness,stiffness and heat resistance of PP simultaneously.These special toughening effects overcome the deficiencies in rubber toughening technology and are worth further investigating.
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