Methyleneperfluorocycloalkanes and their use in the production of thermoplastic fluororesins

US5648566A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Ralf Kruger · Bensberg, DE
• Michael Negele · Cologne, DE
• Norbert Lui · Odenthal, DE
• Albrecht Marhold · Leverkusen, DE

Key dates

• Filing date: May 31, 1995
• Grant date: Jul 15, 1997
• Expiry date: May 31, 2015

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08F214/182
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Monomers of the formula (I) (for example, 3,3,4,4,5,5,6,6-octafluoromethylenecyclopentane) are described, as well as copolymers prepared from them and from one or more monomers copolymerizable with them. ##STR1## wherein n=3 to 5 The compounds are suitable for the production of a multiplicity of thermoplastically processable copolymers having various sets of properties which permit applications both as compact moulded parts and as coatings.