method for making a low density cellulose fiber foam material, low density cellulose fiber foam material, bulky cellulose sheet for a packaging material, laminated packaging material, and food packaging container liquid or semi-liquid.

摘要

The invention relates to a method of manufacturing a novel low density foam cellulose material comprising dial-modified cellulose, and to bulky sheets, layers, laminates or molded articles comprising such material. furthermore, the invention relates to a laminated packaging material comprising a layer or sheet comprising low density cellulose material as well as to packaging containers comprising laminated packaging material. In particular, the invention relates to packaging containers for packaging liquid or semi-liquid food comprising the laminated packaging material.