Complex sentence: Using ultra-fine full-vulcanized powdered rubber (UFPR) researchers have been able to improve all three, toughness, stiffness, and heat resistance simultaneously; esetting the stage for rubber toughening with particles smaller than previously thought to be effective.
Split into simpler sentences: Using ultra-fine full-vulcanized powdered rubber (UFPR) researchers have been able to improve all three, toughness, stiffness, and heat resistance simultaneously. Resetting the stage for rubber toughening with particles smaller than previously thought to be effective.