▎ 摘　　要

NOVELTY - A composition comprises high-density polyethylene, graphene oxide dispersion, antifouling agent, polyolefin elastomer, coupling agent, dispersing agent, filler and canola oil. USE - Composition used for environmentally friendly buoys used in water to farm fish, shellfish and algae. ADVANTAGE - The composition has excellent impact resistance, reduces the marine environment due to microplastics generated from the buoys, suppresses contamination, exhibits an environmentally friendly effect, and provides buoys having excellent low-temperature brittleness and heat-sealability.