Graft polymers of vinyl phosphonic acid esters

US4028434A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Wolfgang Konter · Neuss, DE
• Josef Witte · Cologne, DE
• Peter Vehlewald · Leichlingen, DE
• Hans-Dieter Block · Cologne, DE

Key dates

• Filing date: Aug 14, 1975
• Grant date: Jun 7, 1977
• Expiry date: Aug 14, 1995

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08F283/06
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The instant invention relates to graft polymers of vinyl phosphonic acid esters, optionally together with nitrogen-containing polymerizable vinyl compounds, on polyalkylene glycols and to a process for their production. The polymers so produced necessarily contain phosphorus and, optionally, nitrogen in the molecule. The polymers are rendered flameproof by the phosphorus and, in addition, self-extinguishing by the nitrogen.