1. The sulfurized acrylic fibers have high strength, high toughness, excellent heat resistance, excellent fire retardance, and excellent alkali resistance.

2. Sulfurized acrylic fibers with high strength and high toughness, process for their preparation, and composite material comprising them

3. Four-ball machine tests were performed to study the synergetic effects of Cu nanoparticle and sulfurized olefin cotton oil.