Peelable, heat-sealable, multilayer polyolefinic film, process for the production thereof, and the use thereof

US5716698A · kind A · utility

Assignee

• Hoecht Aktiengesellschaft · DE

Inventors

• Michael Schreck · Frankfurt, DE
• Thomas Dries · Bad Kreuznach, DE
• Ursula Murschall · Nierstein, DE
• Dieter Scheidecker · Eltville am Rhein, DE
• Adolf Wilhelm · Wiesbaden, DE

Key dates

• Filing date: Jul 11, 1995
• Grant date: Feb 10, 1998
• Expiry date: Jul 11, 2015

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/31938
• WIPO field: Surface technology, coating
• WIPO sector: Chemistry

Abstract

The invention relates to a peelable, oriented, opaque, multilayer polyolefin film comprising at least one opaque layer and a peelable top layer. All layers of the film are essentially vacuole-free. The opaque layer contains pigments having a mean particle diameter of from 0.01 to 1 .mu.m.