Antistatic coating, in particular for toner transfer drums

Compositions: coating or plastic – Coating or plastic compositions – Silicon containing other than solely as silicon dioxide or...

Reexamination Certificate

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Details

C528S030000, C528S038000, C524S755000

Reexamination Certificate

active

07063736

ABSTRACT:
The present invention relates to an electrically conductive coating which is producible by hydrolytic condensation of a mixture including at least one hydrolysable silicon compound of general formula SiXnR(4-n)(I), wherein at least one of the R radicals is a mercapto-substituted alkyl or aryl group and is a compound of general formula ZaSiYbR(4-a-b)(II), wherein the Z radical is for example a quaternary ammonium salt, whereby the mixture to be hydrolytically condensed comprises at least one portion of an ether containing and alkyl group. The coating is particularly suitable for toner transfer drums and has high scratch resistance and good adhesion to the substrate.

REFERENCES:
patent: 3734763 (1973-05-01), Plueddemann
patent: 3819675 (1974-06-01), Plueddemann
patent: 6500552 (2002-12-01), Dreihofer et al.
patent: 2050467 (1971-05-01), None
patent: 199 42 423 (2001-04-01), None
patent: 0 322 099 (1989-06-01), None
patent: 0 511 650 (1992-04-01), None
patent: 0 709 407 (1996-01-01), None
patent: 0 869 155 (1998-07-01), None
patent: 52139680 (1977-11-01), None
patent: WO 97/42550 (1997-11-01), None

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