A heat-shrinkable film and a method of its manufacture are provided. In an exemplary embodiment, a polystyrene film exhibits heat-induced growth in the cross direction of great than or equal to 5% with greater than or equal to 30% concomitant shrinkage in the machine direction. The films may comprise crystal polystyrene, high impact polystyrene, and/or elastomers. A method of manufacture is disclosed which includes a post-extrusion temperature conditioning step.

 
Web www.patentalert.com

< Multi-component lacrosse stick head

< Extrusion coating compositions and method

> Conductive resin coated steel pipe and extrusion molding method for the steel pipe

> Radiation detecting device and method of manufacturing the same

~ 00287