Patent · US Expired

Interpenetrating polymeric networks comprising polytetrafluoroethylene and polysiloxane

US4891407A · kind A · utility

34Cited by
2References
3Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 20, 1988
Grant dateJan 2, 1990
Priority date
Expiry dateMay 20, 2008

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G77/20
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

There is provided a composition having interpenetrating matrices comprising (a) a first polymer network characterized by nodes interconnected by fibrils and (b) a second polymer network comprising diorganosiloxy units. In another aspect, there are provided compositions comprising an interpenetrating polymer network of polytetrafluoroethylene and polydiorganosiloxane. Methods for making the foregoing compositions are also provided.

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