Semiconductor roll

Details Semiconductor roll Semiconductor roll

1994-01-25

1995-10-17

Nakarani, D. S.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

252502, 252506, 252507, 355219, 355259, 355271, 428325, 428327, 428328, 428331, 428408, 428447, 428450, 492 56, 492 59, B32B 108, G03G 1520

Patent

active

054589371

ABSTRACT:
A semiconductive roll is prepared by molding and curing a silicone rubber composition to a mandrel to form a semiconductive layer. The silicone rubber composition includes (A) 100 parts by weight of a diorganopolysiloxane, (B) 5 to 200 parts by weight of spherical silicone elastomer particles having a mean particle size of 0.1 to 100 .mu.m, and (C) a conductive material, typically conductive carbon black, zinc oxide or titanium oxide. The roll has stable, minimal varying resistivity in the semiconductive region which does not depend on molding conditions.

REFERENCES:
patent: 4970098 (1990-11-01), Ayala-Esquilin et al.
patent: 4990963 (1991-02-01), Yamamoto et al.
patent: 5195228 (1993-03-01), Fukunaga et al.

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