Tetrahydrofuran/but-2-yne-1, 4-diol copolymers containing C-C triple bonds

US5939590A · kind A · utility

Assignee

• BASF SE

Inventors

• Christoph Sigwart · Schriesheim, DE
• Rolf Fischer · Heidelberg, DE
• Rainer Becker · Bad Dürkheim, DE
• Klaus-Dieter Plitzko · Schifferstadt, DE
• Gerd Heilen · Speyer, DE
• Christof Palm · Ludwigshafen, DE
• Peter Groll · Schifferstadt, DE

Key dates

• Filing date: Aug 26, 1997
• Grant date: Aug 17, 1999
• Expiry date: Aug 26, 2017

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G65/20
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Tetrahydrofuran/but-2-yne-1,4-diol copolymers containing C--C triple bonds and having an average molecular weight M.sub.n of from 500 to 3500 Dalton and a content of from 0.5 to 3 mol of triple bonds/mol of copolymer and blends of these copolymers with polytetrahydrofuran having an average molecular weight M.sub.n of from 500 to 3500 Dalton, processes for their preparation and their use.