Toner fuser member having a metal oxide filled fluoroelastomer o

Details Toner fuser member having a metal oxide filled fluoroelastomer o Toner fuser member having a metal oxide filled fluoroelastomer o

1997-02-25

1998-12-29

Chapman, Mark

Stock material or miscellaneous articles

Composite

Of fluorinated addition polymer from unsaturated monomers

430 99, 492 56, 399324, 399325, 399328, B32B 2700

Patent

active

058538933

ABSTRACT:
A toner fuser member having improved toner release properties comprises a substrate and an outermost layer comprising a cured fluoroelastomer that includes at least about 21 mole percent of hexafluoropropylene (HFP) and at least 10 parts per weight of a metal oxide selected from the group consisting of cupric oxide, plumbous oxide, and mixtures thereof. Applying to the outermost layer of the fuser member an effective amount of a polymethyldisiloxane (PDMS) release agent that, optionally, includes at least one functional group reactive with the fluoroelastomer, followed by incubation at an elevated temperature, produces a surface having enhanced toner release characteristics on the outermost layer. A process for forming a toner fuser member having improved toner release properties comprises forming on a substrate an outermost layer having the above-described composition of cured fluoroelastomer and metal oxide.

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