▎ 摘 要
NOVELTY - A composite material comprises graphene-containing polyurethane foam and non-carbon non-oxygen elements, where non-carbon non-oxygen elements are iron, silicon, and aluminum at amount of 0.0018-0.4 wt.%. USE - Composite material used for pillow, mattress, seat cushion, back pad, sofa, waist, insole, bra, vehicle seat, toilet seat, or hand warmer (claimed). ADVANTAGE - The composite material is simple and seamlessly connected with an equipment.