Claims
- 1. A plasticized polyolefin composition comprising from 99.9 wt % to 60 wt % polyolefin; and from 0.1 wt % to 40 wt % of a non-functionalized plasticizer; wherein the non-functionalized plasticizer comprises C6 to C200 paraffins having a pour point of less than −5° C.
- 2. The composition of claim 1, wherein the non-functionalized plasticizers comprises C8 to C100 paraffins.
- 3. The composition of claim 1, wherein the non-functionalized plasticizers comprises C6 to C50 isoparaffins.
- 4. The composition of claim 1, wherein the non-functionalized plasticizers comprises C10 to C100 n-paraffins.
- 5. The composition of claim 1, wherein the Tg of the polyolefin decreases from 4 to 10° C. for every 4 wt % of non-functionalized plasticizer added to the composition, while the Tm remains within 1 to 2° C.
- 6. The composition of claim 1, wherein the non-functionalized plasticizer has a pour point of less than −30° C.
- 7. The composition of claim 1, wherein the non-functionalized plasticizer has a viscosity of from 0.1 to 3000 cSt at 100° C.
- 8. The composition of claim 1, wherein the non-functionalized plasticizer has a dielectric constant at 20° C. of less than 2.1.
- 9. The composition of claim 1, wherein the non-functionalized plasticizer has a specific gravity of less than 0.91 g/cm3.
- 10. The composition of claim 1, wherein aromatic moieties are substantially absent from the non-functionalized plasticizer.
- 11. The composition of claim 1, wherein the weight average molecular weight of the non-functionalized plasticizer is from 100 to 25,000 g/mol.
- 12. The composition of claim 1, wherein the weight average molecular weight of the non-functionalized plasticizer is from 200 to 10,000 g/mol.
- 13. The composition of claim 1, wherein the polyolefin comprises segments that are isotactic.
- 14. The composition of claim 1, wherein the polyolefin is selected from propylene homopolymers, propylene copolymers, and propylene impact copolymers, and mixtures thereof.
- 15. The composition of claim 1, wherein polyolefin is isotactic polypropylene.
- 16. The composition of claim 1, wherein the polyolefin is a copolymer comprises propylene derived units and units selected from ethylene derived units and C4 to C20 α-olefin derived units.
- 17. The composition of claim 11, wherein the polyolefin is a propylene impact copolymer comprising from 40% to 95% by weight of a Component A and from 5% to 60% by weight of a Component B based on the total weight of copolymer; wherein Component A comprises propylene homopolymer or copolymer, the copolymer comprising 10% or less by weight ethylene, butene, hexene or octene comonomer; and wherein Component B comprises propylene copolymer, wherein the copolymer comprises from 5% to 70% by weight ethylene, butene, hexene and/or octene comonomer, and from 95% to 30% by weight propylene.
- 18. The composition of claim 14, further comprising a plastomer.
- 19. The composition of claim 1, wherein polyethylene having a weight average molecular weight of from 500 to 10,000 is substantially absent.
- 20. An article of manufacture selected from films, sheets, fibers, woven and nonwoven fabrics, tubes, pipes, automotive components, furniture, sporting equipment, food storage containers, transparent and semitransparent articles, toys, tubing and pipes, and medical devices comprising the composition of claim 1.
- 21. A plasticized polyolefin composition comprising from 99.9 wt % to 60 wt % polyolefin; and from 0.1 wt % to 40 wt % of a non-functionalized plasticizer; wherein the Tg of the polyolefin decreases by at least 2° C. for every 4 wt % of non-functionalized plasticizer added to the composition, while the Tm remains constant.
- 22. The composition of claim 21, wherein the non-functionalized plasticizers comprises C8 to C100 paraffins.
- 23. The composition of claim 21, wherein the non-functionalized plasticizers comprises C6 to C50 isoparaffins.
- 24. The composition of claim 21, wherein the non-functionalized plasticizers comprises C10 to C100 n-paraffins.
- 25. The composition of claim 21, wherein the Tg of the polyolefin decreases from 4 to 10° C. for every 4 wt % of non-functionalized plasticizer added to the composition, while the Tm remains constant.
- 26. The composition of claim 21, wherein the non-functionalized plasticizer has a pour point of less than −5° C.
- 27. The composition of claim 21, wherein the non-functionalized plasticizer has a viscosity of from 0.1 to 3000 cSt at 100° C.
- 28. The composition of claim 21, wherein the non-functionalized plasticizer has a dielectric constant at 20° C. of less than 2.1.
- 29. The composition of claim 21, wherein the non-functionalized plasticizer has a specific gravity of less than 0.91 g/cm3.
- 30. The composition of claim 21, wherein aromatic moieties are substantially absent from the non-functionalized plasticizers.
- 31. The composition of claim 21, wherein the weight average molecular weight of the non-functionalized plasticizer is from 200 to 25,000 g/mol.
- 32. The composition of claim 21, wherein the weight average molecular weight of the non-functionalized plasticizer is from 200 to 10,000 g/mol.
- 33. The composition of claim 21, wherein the polyolefin is an isotactic propylene homopolymer.
- 34. The composition of claim 21, wherein the polyolefin is selected from propylene homopolymers, propylene random copolymers, propylene block copolymers, propylene impact copolymers, and mixtures thereof.
- 35. An article of manufacture selected from films, sheets, fibers, woven and nonwoven fabrics, tubes, pipes, automotive components, furniture, sporting equipment, food storage containers, transparent and semi-transparent articles, toys, tubing and pipes, and medical devices comprising the composition of claim 21.
- 36. A method of plasticizing a polyolefin comprising blending a polyolefin with a non-functionalized plasticizer; wherein the non-functionalized plasticizer comprises C6 to C200 paraffins having a pour point of less than 5° C.
- 37. The method of claim 36, wherein the blending comprises melt blending.
- 38. The method of claim 36, wherein the melt blending is performed in an extruder.
- 39. The method of claim 36, wherein the blending comprises wet blending of solid polyolefin.
- 40. The method of claim 36, wherein the polyolefin is in the form of reactor granules or extruded pellets.
- 41. The method of claim 36, wherein the reactor granules have an average diameter of from 10 μm to 5 mm.
- 42. The method of claim 36, wherein the non-functionalized plasticizer has a pour point of less than −30° C.
- 43. The method of claim 36, wherein the non-functionalized plasticizer has a viscosity of from 1 to 3000 cSt at 100° C.
- 44. The method of claim 36, wherein the non-functionalized plasticizer has a viscosity of from 2 to 300 cSt at 100° C.
- 45. The method of claim 36, wherein the non-functionalized plasticizer has a specific gravity of less than 0.91 g/cm3.
- 46. The method of claim 36, wherein the non-functionalized plasticizers comprises C8 to C100 paraffins.
- 47. The method of claim 36, wherein the non-functionalized plasticizers comprises C6 to C50 isoparaffins.
- 48. The method of claim 36, wherein the non-functionalized plasticizers comprises C10 to C100 n-paraffins.
- 49. The method of claim 36, wherein the polyolefin comprises segments that are isotactic.
- 50. The method of claim 36, wherein the polyolefin is a homopolymer or copolymer comprising propylene derived units.
- 51. The method of claim 36, wherein the polyolefin is a propylene homopolymer.
- 52. The method of claim 36, wherein the copolymer comprises propylene derived units and units selected from ethylene derived units and C4 to C20 a-olefin derived units.
- 53. The method of claim 36, wherein the copolymer is selected from random copolymers, block copolymers, impact copolymers, and mixtures thereof.
- 54. The method of claim 36, wherein plasticizers such as phthalates, adipates, trimellitate esters, and polyesters are substantially absent.
- 55. The method of claim 36, wherein polyethylene having a weight average molecular weight of from 500 to 10,000 is substantially absent.
- 56. An article of manufacture selected from films, sheets, fibers, woven and nonwoven fabrics, tubes, pipes, automotive components, furniture, sporting equipment, food storage containers, transparent and semitransparent articles, toys, tubing and pipes, and medical devices made by the method of claim 36.
CROSS REFERENCE TO RELATED APPLICATIONS
[0001] This application claims the benefit of Provisional Application No. 60/402,665, filed Aug. 12, 2002, the disclosure of which is incorporated by reference in its entirety.
Provisional Applications (1)
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Number |
Date |
Country |
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60402665 |
Aug 2002 |
US |