Compostable or Recyclable Packaging Wrap
A compostable packaging wrap comprising: a strip that is primarily formed of starch and that is flexible such that the strip can be rolled is disclosed.
1 . A compostable packaging wrap consisting of:
a strip provided by a single layer of no more than 2.5 inches thickness that consists of compostable material that includes at least 50% starch and a sufficient amount of compostable polymer softener such that the strip is sufficiently flexible to be rolled into a 1 inch radius, wherein solid components of the layer consist of organic compostable material.
2 . The packaging wrap of claim 1 , wherein the starch includes at least one of a grain starch, a root starch, a vegetable starch, and combinations thereof.
3 . The packaging wrap of claim 1 , wherein the starch provides at least 75% by weight of the packaging wrap.
4 . The packaging wrap of claim 1 , wherein the starch provides at least 85% by weight of the packaging wrap.
5 . The packaging wrap of claim 1 , wherein the compostable material includes a water-retardant material.
6 . The packaging wrap of claim 5 , wherein the compostable material consists of the starch, the softener and the water-retardant material.
7 . The packaging wrap of claim 6 , wherein the width of the strip is between 6 inches and 48 inches.
8 . The packaging wrap of claim 7 , wherein the length of the strip is between 10 inches and 500 feet.
9 . The packaging wrap of claim 1 , wherein the strip is sufficiently flexible that the strip can be rolled into ⅛ inch diameter.
10 . The packaging wrap of claim 1 , wherein the layer is a foam.
11 . The packaging wrap of claim 1 , wherein the strip is porous.
12 . The packaging wrap of claim 11 , wherein 10-25 vol % of the strip is pores or voids.
13 . The packaging wrap of claim 1 , comprising a plurality of lines of perforations that extend through the layer, wherein the lines extend in parallel across the width of the strip and divide the strip lengthwise into a plurality of sections.
14 . The packaging wrap of claim 1 , comprising a plurality of lines of scores that extend partially but not entirely through the layer, wherein the lines extend in parallel across the width of the strip and divide the strip lengthwise into a plurality of sections.
15 . The packaging wrap of claim 1 , wherein the layer is not perforated or scored.