Packages
AssigneeAdd-X Biotech AB
InventorsGunnar Forsberg, Eugen Karl Mossner, Graham M. Chapman
Life of this patent
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Abstract
The present invention relates to a package of a polyolefin polymer, wherein it comprises an addition of a pro-oxidant in the form of at least one salt of a metal of the group consisting of Mn, Fe, Cu, Co, and Ni, whereby the polyolefin is provided with a filler in the form of a mineral, such as calcium carbonate, such as talc, crushed marble, chalk, including nano particles thereof, calcite, silica, and nano particle clays, a filler in the form of natural fiber such as cellulose fiber, wood fiber, powderous wood or china grass, rice spelt, and starch.
Claims8
A single layer biodegradable package made from a composition comprising:
- i) 25-85% (w/w) polyolefin polymer,
- ii) 6% (w/w) pro oxidant comprising 0.5-15% by weight carboxylates of Fe, Mn, Co or Cu, 1.0-30% by weight starch, 2.0-50% by weight CaCO3 and 25-85% by weight polyethylene or polypropylene,
- iii) 10-70% (w/w) Calcium Carbonate;
- and
- iv) 10-80% (w/w) of a filler in the form of natural fiber;
- and wherein said composition has been shaped into a rigid package.
Dependencies are inferred from the claim text.