Patent · US Expired

Polymerization of fluoromonomers using a 3-allyloxy-2-hydroxy-1-propanesulfonic acid salt as surfactant

US6869997B2 · kind B2 · utility

42Cited by

11References

39Claims

0Family size

Assignee

Arkema Inc. · US

Inventors

Roice Wille · Malvern, US
Lotfi Hedhli · Villepreux, FR
Mehdi Durali · West Chester, US
Sayed Youssef Antoun · Brussels, BE

Key dates

Filing date	May 6, 2003
Grant date	Mar 22, 2005
Priority date	—
Expiry date	May 6, 2023

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08F14/22
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Fluoropolymers are prepared by a process comprising polymerizing at least one fluoromonomer in an aqueous reaction medium containing monomer, a radical initiator and a 3-allyloxy-2-hydroxy-1-propanesulfonic acid salt as surfactant. The medium may optionally contain one or more of an antifoulant, a buffering agent and a chain-transfer agent.

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