Patent · US Active

Vinylidene fluoride and trifluoroethylene containing polymers

US8575286B2 · kind B2 · utility

2Cited by

13References

11Claims

0Family size

Assignee

SOLVAY SOLEXIS S.P.A. · IT

Inventors

Giulio Brinati · Milano, IT
Alessio Marrani · Lecco, IT
Bernard Goffaux · Les Bons Villers, BE

Key dates

Filing date	May 26, 2009
Grant date	Nov 5, 2013
Priority date	—
Expiry date	Sep 13, 2029

Classification

Technology area (CPC H)Electricity
CPC primaryH10N15/15
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A polymer comprising recurring units derived from vinylidene fluoride (VDF) and trifluoroethylene (TrFE), such polymer comprising end groups of formula —CF2H and/or —CF2CH3 in an amount of at least 60 mmoles per kg of VDF recurring units [polymer (F)], a process for its manufacture and the use thereof as ferroelectric, piezoelectric, dielectric or pyroelectric material in electric/electronic devices.

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