▎ 摘　　要

NOVELTY - Topping layer in ink transfer medium comprises nanostructures, where the nanostructures include rubber and nanomaterials, and the shore A hardness of the nanostructures is 70-85 degrees . USE - Topping layer in ink transfer medium. ADVANTAGE - The topping layer in ink transfer medium improves the hardness and wear resistance of the surface adhesive layer. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for the following: (1) a method for preparing a topping layer in an ink transfer medium, which involves mixing rubber and nanomaterials to form nanostructures to obtain mixed rubber, calendering the mixed rubber to produce a sheet to obtain a calendered rubber, vulcanizing and polishing the calendered surface rubber to obtain the surface rubber layer, where the surface adhesive layer includes nanostructures, the nanostructures include rubber and nanomaterials, and the Shore A hardness of the nanostructures is 70-85 degrees ; and (2) an ink transfer medium, which comprsies first base cloth, adhesive layer formed on the first base cloth, second base cloth is formed on the adhesive layer, foam layer formed on the second base cloth, third base cloth is formed on the foamed layer and surface adhesive layer is formed on the third base cloth, where the surface adhesive layer includes nanostructures, the nanostructures include rubber and nanomaterials, and the shore A hardness of the nanostructures is 70-85 degrees .