Multilayer plastic pipe

US5500263A · kind A · utility

Assignee

• Huels Aktiengesellschaft · DE

Inventors

• Stefan Rober · Hamburg, DE
• Hans Jadamus · Marl, DE
• Michael Boer · Johannesweg, DE
• Roland Feinauer
• Hans-Dieter Herrmann · Marl, DE
• Hans Ries · Marl, DE

Key dates

• Filing date: Jan 28, 1994
• Grant date: Mar 19, 1996
• Expiry date: Jan 28, 2014

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/3154
• WIPO field: Surface technology, coating
• WIPO sector: Chemistry

Abstract

The present invention relates to a plastic pipe having improved resistance, inter alia, to methanol-containing fuels and improved mechanical properties, comprising. PA1 (I) at least one outer layer, PA1 (II) at least one inner layer comprising a polyvinylidene fluoride molding composition, and PA1 (III) a layer, disposed between the inner layer II and the outer layer I, comprising a molding composition comprising a mixture of: PA2 (a) polyamide and PA2 (b) polyalkyl acrylate, wherein the layers (I)-(III) are adhesively bonded to one another.