Process for reducing fogging due to plasticizers in plastics

US4913866A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Jürgen Heuser · Krefeld, DE
• Lothar Meier · Sprockhövel, DE
• Karola Brudermanns · Leverkusen, DE
• Otto Billinger · Linz, DE
• Rolf Kubens · Odenthal, DE

Key dates

• Filing date: Mar 27, 1989
• Grant date: Apr 3, 1990
• Expiry date: Mar 27, 2009

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L67/00
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Fogging of plastics containing polymer plasticizers is reduced by treating the polymer plasticizers with water vapor in the melt.