| 摘要 |
A magnetic roller sleeve for toner cartridge of printer, wherein the cylinder surface of the sleeve is covered with a coating layer comprising: one or more resins highly adhesive to the sleeve base material, one or more electric conducting materials, a plurality of additive agents capable of evenly distributing electric conducting materials and resins and enhancing the bond between the two, and more than one additive agents and diluting solvents that can control the adhesive time during coating in separate stage; with the unique coating of the surface layer on the magnetic roller sleeve, the life cycle and print quality of the magnetic roller sleeve can be effectively enhanced.
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