Bruckner Maschinenbau Gmbh & Co. Kg

Bruckner Maschinenbau Gmbh

Willi Lindemann

Jan Barth

Alois Körber

Martin Wolf

A biaxially oriented polyethylene foil (BOPE) is disclosed having layers (A) to (D), wherein layers (B) to (D) contain biaxially oriented polyethylene and layer (A) contains polyurethane and nanoparticles and has a layer thickness of 25 to 300 nm, layer (B) includes polymers having functional groups which are capable of forming covalent bonds with polyurethane and are directly connected to layer (A), layer (C) has at least a layer thickness of 50% of the total thickness of the foil and layer (D) represents an outer layer of the foil, which contains antiblocking agents.

Inline coated biaxially oriented polyethylene foil and method for the production thereof

The present invention relates to a biaxially oriented polyethylene foil (BOPE) comprising layers (A) to (D), wherein layers (B) to (D) contain biaxially oriented polyethylene and layer (A) contains polyurethane and nanoparticles and has a layer thickness of 25 to 300 nm, layer (B) comprises polymers having functional groups which are capable of forming covalent bonds with polyurethane and are directly connected to layer (A), layer (C) has at least a layer thickness of 50% of the total thickness of the foil and layer (D) represents an outer layer of the foil, which contains antiblocking agents. The invention further relates to methods for producing such foils.

The invention relates to a biaxially oriented polypropylene film (BOPP) comprising layers (A) to (D), wherein layers (B) to (D) contain biaxially oriented polypropylene and layer (A) contains polyurethane and nanoparticles and has a layer thickness of 25 to 300 nm, layer (B) contains polymers with functional groups that are capable of forming covalent bonds with polyurethane and is directly connected to layer (A), layer (C) has at least a layer thickness of 50% of the total thickness of the film, and layer (D) represents an outer layer of the film containing an anti-blocking agent. The invention also relates to a method for producing films of this type.

Growing community of inventors

Bad Reichenhall, Germany

Willi Lindemann