Patent · US Expired

Silicon-treated carbon blacks surface treated with a silicone fluid or a silane

US6191194A · kind A · utility

4Cited by
47References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 12, 1999
Grant dateFeb 20, 2001
Priority date
Expiry dateNov 12, 2019

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08K9/06
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Silicone rubber compositions are disclosed including a silicone polymer and a silicon-treated carbon black. The silicon-treated carbon blacks include a silicon-containing compound that is distributed through at least a portion of the carbon black aggregate. The silicon-treated carbon black is incorporated within a silicone rubber composition as an alternative reinforcing and extending filler, imparting higher hardness to elastomers formed from the composition, when compared to silicone rubber compositions incorporating an untreated carbon black.

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