HEAT SEALABLE PACKAGING MATERIAL COMPRISING MICROFIBRILLATED CELLULOSE AND PRODUCTS MADE THEREFROM

The present invention is directed to a packaging material comprising a layer of microfibrillated cellulose (MFC) and an aluminium layer having a thickness of 0.1-20 ??m， wherein the layer comprising MFC and/or the aluminium layer has been laminated or extrusion coated on at least one side with a thermoplastic polymer and wherein the amount of aluminium is sufficient to make the packaging material heat sealable by induction. The MFC layer contains at least 60% by weight of microfibrillated cellulose. The present invention is directed to a packaging material comprising a layer of microfibrillated cellulose (MFC) and an aluminium layer having a thickness of 0.1-20 ??m， wherein the layer comprising MFC and/or the aluminium layer has been laminated or extrusion coated on at least one side with a thermoplastic polymer and wherein the amount of aluminium is sufficient to make the packaging material heat sealable by induction. The MFC layer contains at least 60% by weight of microfibrillated cellulose.

本发明涉及一种包装材料，其包含微纤化纤维素（microfibrillated cellulose, MFC）层以及厚度为0.1~20μm的铝层；其中，所述微纤化纤维素层和/或所述铝层的至少一侧经热塑性聚合物层压或挤出涂布处理，且铝的用量足以使该包装材料可通过感应方式实现热封。所述微纤化纤维素层中微纤化纤维素的重量占比不低于60%。本发明涉及一种包装材料，其包含微纤化纤维素（microfibrillated cellulose, MFC）层以及厚度为0.1~20μm的铝层；其中，所述微纤化纤维素层和/或所述铝层的至少一侧经热塑性聚合物层压或挤出涂布处理，且铝的用量足以使该包装材料可通过感应方式实现热封。所述微纤化纤维素层中微纤化纤维素的重量占比不低于60%。