PRODUCT AND METHOD FOR A PLASTIC COMPOSITION COMPRISING INORGANIC MATERIALS
20170292004 · 2017-10-12
Inventors
Cpc classification
A61B46/40
HUMAN NECESSITIES
B32B27/18
PERFORMING OPERATIONS; TRANSPORTING
C08L2205/03
CHEMISTRY; METALLURGY
B65D33/004
PERFORMING OPERATIONS; TRANSPORTING
B65D2203/00
PERFORMING OPERATIONS; TRANSPORTING
A61B90/90
HUMAN NECESSITIES
B65D65/466
PERFORMING OPERATIONS; TRANSPORTING
B65D65/38
PERFORMING OPERATIONS; TRANSPORTING
C08L2205/025
CHEMISTRY; METALLURGY
C08L61/20
CHEMISTRY; METALLURGY
A61B50/30
HUMAN NECESSITIES
International classification
C08L61/20
CHEMISTRY; METALLURGY
Abstract
Products and methods for producing products which comprise polyethylene and inorganic minerals for a single layer plastic composition.
Claims
1. A plastic composition comprising: approximately 20-49% calcium carbonate; approximately 30-60% high density polyethylene; approximately 0-20% linear low density polyethylene; approximately 0-10% fillers/bonding agent; said plastic composition being a single layer.
2. The plastic composition of claim 1 further comprising a biopolymer.
3. The plastic composition of claim 2 wherein said biopolymer is approximately 0.5% to 20% by weight of said plastic composition.
4. The plastic composition of claim 2 wherein said biopolymer is an amount less than 1.5%.
5. The plastic composition of claim 2 wherein said biopolymer is selected from the group consisting of: poly lactic acid, poly-hydroxybutunoate, poly-hydroxyalkanoate, Nylon 610, Nylon 611.
6. The plastic composition of claim 1 wherein said plastic composition contains no fibers.
7. The plastic composition of claim 1 wherein said external surface of said plastic composition has a printable surface.
8. The plastic composition of claim 1 wherein said external surface of said plastic composition has a smooth surface.
9. The plastic composition of claim 1 wherein said plastic composition provides a moisture barrier.
10. The plastic composition of claim 1 wherein said plastic composition is biodegradable.
11. The plastic composition of claim 1 wherein said plastic composition comprises printed information.
12. The plastic composition of claim 1 wherein said plastic composition comprises a barcode.
13. The plastic composition of claim 1 wherein said plastic composition comprises a coupon.
14. The plastic composition of claim 2 wherein said plastic composition is compostable.
15. A plastic composition comprising: approximately 20-49% mineral material; approximately 30-60% high density polyethylene; approximately 0-20% linear low density polyethylene; approximately 0-10% fillers/bonding agents; said plastic composition being a single layer.
16. The plastic composition of claim 15 wherein said mineral material is selected from the group consisting of calcium carbonate, calcium sulfate, barium sulfate, kaolin, mica, zinc oxide, dolomite, glass fiber, hollow glass microbead, silica, chalk, talc, pigment, titanium dioxide, bentonite, clay, zeolite, slate, diatomaceous earth and combinations thereof.
17. The plastic composition of claim 15 further comprising a biopolymer.
18. The plastic composition of claim 17 wherein said biopolymer is approximately 0.5% to 20% by weight of said plastic composition.
19. The plastic composition of claim 17 wherein said biopolymer is an amount less than 1.5%.
20. The plastic composition of claim 17 wherein said biopolymer is selected from the group consisting of: poly lactic acid, poly-hydroxybutunoate, poly-hydroxyalkanoate, Nylon 610, Nylon 611.
21. The plastic composition of claim 15 wherein said plastic composition contains no fibers.
22. The plastic composition of claims 15 wherein said external surface of said plastic composition has a printable surface.
23. The plastic composition of claim 15 wherein said external surface of said plastic composition has a smooth surface.
24. The plastic composition of claim 15 wherein said plastic composition provides a moisture barrier.
25. The plastic composition of claim 15 wherein said plastic composition is biodegradable.
26. The plastic composition of claim 15 wherein said plastic composition comprises printed information.
27. The plastic composition of claim 15 wherein said plastic composition comprises a barcode.
28. The plastic composition of claim 15 wherein said plastic composition comprises a coupon.
29. The plastic composition of claim 17 wherein said plastic composition is compostable.
30. A plastic composition comprising: approximately 25-40% calcium carbonate; approximately 30-50% high density polyethylene; approximately 5-15% linear low density polyethylene; approximately 2-7% filler/bonding agent; said plastic composition being a single layer.
31. The plastic composition of claim 30 further comprising a biopolymer.
32. A plastic composition comprising: approximately 20-49% mineral material; approximately 30-60% high density polyethylene; approximately 0-20% low density polyethylene, linear low density polyethylene or a combination thereof; approximately 0-10% fillers/bonding agent; said plastic composition being a single layer.
33. The plastic composition of claim 32 further comprising a biopolymer.
34. A plastic composition comprising: calcium carbonate; high density polyethylene; linear low density polyethylene; and a filler/bonding agent; said plastic composition being a single layer.
35. The plastic composition of claim 34 wherein said calcium carbonate comprises less than 50% by weight of said plastic composition.
36. The plastic composition of claim 34 further comprising a biopolymer.
37. A plastic composition comprising: calcium carbonate; high density polyethylene; low density polyethylene, linear low density polyethylene or a combination; and a filler/bonding agent; said plastic composition being a single layer.
38. The plastic composition of claim 37 wherein said calcium carbonate comprises less than 50% by weight of said plastic composition.
39. The plastic composition of claim 37 further comprising a biopolymer.
40. The plastic composition of claim 32 wherein said plastic composition is used for plastic bags, sacks, pouches and wrappers.
41. The plastic composition of claim 32 further comprising an antimicrobial component.
42. The plastic composition of claim 32 wherein said plastic composition is formed into a bag, cover, sheet, protective garment, school, office or warehouse supply, storage bag, medical examination paper, bedding sheets, soil liner bubble mailer, mailing labels, protective films, stretch wrap films and tapes.
43. The plastic composition of claim 32 wherein said plastic composition is wound on a roll.
44. The plastic composition of claim 32 wherein said plastic composition is perforated.
Description
BRIEF DESCRIPTION OF DRAWINGS
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DETAILED DESCRIPTION OF THE INVENTION
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[0137] In an embodiment the T-sack and/or T-shirt bags have a width of approximately 5″ to 20″, a height from 10″ to 40″ and a gusset from 2″ to 15″, with thickness ranging from approximately 0.25-4.0 mil.
[0138] In an embodiment the die cut bags have a width of approximately 5″ to 30″, a height from 5″ to 30″ and a gusset from 0.5″ to 15″, with a bag thickness of approximately 0.35 to 10.0 mil.
[0139] In an embodiment the loop handle bag has a width from about 3″ to about 30″, a height of 45″ to about 30″ and a gusset from 0.5″ to 15″, with a bag thickness of approximately 0.35 to 10.0 mil.
[0140] In an embodiment the tri-fold handle bag has a width from about 3″ to 30″, a height from 54″ to 30″ and a gusset from 0.5″ to 15″, with a bag thickness of approximately 035 to 10.0 mil.
[0141] In an embodiment the soft loop flat bag has a width of about 3″ to 30″ and a height from 5″ to 30″, with a bag thickness of approximately 035 to 10.0 mil.
[0142] In an embodiment the wave style bag has a width from about 3″ to 30″, a height from 5″ to 30″ and a gusset from 0.5″ to 15″, with a bag thickness of approximately 0.35 to 10.0 mil.
[0143] In an embodiment the drawstring bags have a width from about 5″ to 30″, a height of 5″ to 30″ and a gusset from 0.5″ to 15″, with a bag thickness of approximately 0.35 to 10.0 mil.
[0144] In an embodiment the drawstring cord bag has a width from about 5″ to 30″, a height of 5″ to 30″ and a gusset of 0.5 to15″, with a bag thickness of approximately 0.35 to 10.0 mil.
[0145] In an embodiment the plastic composition comprises approximately 47-50% CaO.sub.3, approximately 40% HDPE, approximately 10% LLPPE, and a filler/bonding agent of approximately 0-3%.
[0146] In an embodiment, the filler/bonding agent comprises an ester such as a long chain (waxy) aliphatic ester. In a preferred embodiment, the filler/bonding agent is a waxy substrate such as a tallow based wax.
[0147] In an embodiment the CaCO.sub.3 is approximately 20-30% of the weight of the composition for the composition.
[0148] In an embodiment the HDPE and LLDPE are pre-blended and extruded into pellets.
[0149] In an embodiment approximately 35-40% CaCO.sub.3 is used by weight for the composition of the plastic composition.
[0150] Independent lab tests done on a 1.0 mil thick Medium T-sack made with 25-35% CaCO.sub.3, show that the T-sack performs just as well, if not better than a standard T-sack made with a polyethylene blend and approximately 5-10% CaCO.sub.3. Tests performed include tensile strength and elongation (ASTM D882), tear resistance (ASTM D1922), and puncture force (ASTM D5748-01).
[0151] Regarding the 1.0 mil thick Medium T-sack made with 25-35% CaCO.sub.3, the tensile strength and elongation test done in the length direction showed a maximum load ranging from 3.25 to 425 lbf, with the elongation break ranging from 325% to 400%. The tensile strength and elongation test done in the width direction showed a maximum load ranging from 2.75 to 3.0 lbf, with the elongation break ranging from 550% to 625%.
[0152] Regarding the 1.0 mil thick Medium T-sack made with 25-35% CaCO.sub.3, the tear resistance test done in the length direction showed results ranging from 15 to 18 g. The tear resistance test done in the width direction showed results ranging from 300 to 360 g.
[0153] Regarding the 1.0 mil thick Medium T-sack made with 25-35% CaCO.sub.3, the puncture force test done showed a maximum load ranging from 4.1 to 5.1 lbf.