Patent · US Active

Conductive urethane foam and toner supply roller

US11459440B2 · kind B2 · utility

0Cited by
2References
3Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 23, 2018
Grant dateOct 4, 2022
Priority date—
Expiry dateOct 10, 2038

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08K2201/001
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

An object of the present disclosure is to provide a conductive urethane foam capable of curbing changes in hardness and impact resilience thereof between prior to and after being impregnated with a binder resin, while keeping a stable charge-imparting effect thereof. To achieve the object, the present disclosure proposes a conductive urethane foam including an urethane foam substrate material having a surface layer impregnated with a binder resin containing a conducting agent: wherein the binder resin contains a silicone resin.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.