▎ 摘　　要

NOVELTY - The utility model claims a sofa leather; one side of the middle layer is adhered with the bottom fabric by a first aqueous adhesive layer; the other side is adhered with the surface fabric by a second aqueous adhesive layer; the surface fabric is warp knitting suede fabric; the bottom fabric is warp knitting napping cloth; the middle layer is bunchy superfine fibre filled with foaming aqueous polyurethane material; one side of the surface material is compounded with a graphene in-situ modified polyurethane dry foaming layer and a graphene in-situ modified polyurethane film layer; the outer side of the graphene in-situ modified polyurethane film layer is provided with lines. the surface is provided with graphene in-situ modified polyurethane dry foaming layer and graphene in-situ modified polyurethane film layer, which can effectively improve the abrasion resistance and anti-aging performance of the sofa leather. and using the middle layer composed of bunchy fibre, which can make the sofa leather have similar structure with the dermis, making the hand feel close to the dermis. and the used adhesive is aqueous polyurethane, which can provide the environment-friendly performance of sofa leather.