PMMA film featuring particularly great weather resistance and great UV protection

US8088847B2 · kind B2 · utility

Assignee

• Evonik Röhm GmbH · DE

Inventors

• Uwe Numrich · Weiterstadt, DE
• Achim Neuhaeuser · Mainz, DE
• Thorsten Goldacker · Roßdorf, DE
• Thomas Arndt · Bad König, DE
• Alexander Laschitsch · Frankfurt, DE
• Guenther Dickhaut-Bayer · Riedstadt, DE
• Christoph Krohmer · Riedstadt, DE

Key dates

• Filing date: Dec 22, 2006
• Grant date: Jan 3, 2012
• Expiry date: Dec 5, 2027

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T156/10
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The invention relates to a novel UV-protective and weather-resistant package for surface protecting films for polyvinyl chloride window profiles made of poly(meth)acrylate. Matrix plastics having great molecular weights are used in order to obtain great weather resistance of the surface protecting films.