Dispersions of high melting polyesters in polyhydroxyl compounds, a process for their preparation and their use in the production of polyurethanes

US4323657A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Jan Mazanek · Cologne, DE
• Roland Gipp · Cologne, DE
• Robert Zollner · Leverkusen, DE
• Peter Seifert · Wittlich, DE
• Kuuno Wagner · Leverkusen, DE
• Johannes Blahak · Munich, DE

Key dates

• Filing date: Mar 27, 1980
• Grant date: Apr 6, 1982
• Expiry date: Mar 27, 2000

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08J2375/04
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Novel, finely divided, redispersible dispersions of high melting polyesters in low melting polyhydroxyl compounds are disclosed. Disclosed also is a process for their preparation and their use as polyol components containing fillers in the production of cellular or non-cellular polyurethanes.