The present invention relates to plasticized polyolefin compositions comprising a polyolefin and a non-functionalized plasticizer; wherein the non-functionalized plasticizer may comprise C6 to C200 paraffins (including branched and normal paraffins) having a pour point of less than −5° C
The present invention relates to plasticized polyolefin compositions comprising a polyolefin and a non-functionalized plasticizer; wherein the non-functionalized plasticizer may comprise C6 to C200 paraffins (including branched and normal paraffins) having a pour point of less than −5° C. In one embodiment, the non-functionalized plasticizer is an isoparaffin comprising C6 to C25 isoparaffins. In another embodiment the non-functionalized plasticizer is a polyalphaolefin comprising C10 to C100 n-paraffins. The polyolefin may be a polypropylene homopolymer, copolymer, impact copolymer, or blends thereof, and may include a plastomer. Non-limiting examples of desirable article of manufacture made from compositions of the invention include films, tubes, pipes, sheets, fibers, woven and nonwoven fabrics, automotive components, furniture, sporting equipment, food storage containers, transparent and semi-transparent articles, toys, tubing and pipes, and medical devices.
대표청구항▼
We claim: 1. A plasticized polyolefin composition comprising from 99 wt % to 60 wt % polyolefin; and from 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 −30° C. and a kinem
We claim: 1. A plasticized polyolefin composition comprising from 99 wt % to 60 wt % polyolefin; and from 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 −30° C. and a kinematic viscosity of from 10 cSt to 500 cSt at 100° C. and wherein elastomers are substantially absent from the composition, and wherein the polyolefin has a 1% secant flexural modulus of 100 MPa to 2300 MPa and is selected from propylene homopolymers, propylene copolymers, propylene impact copolymers, or mixtures thereof, where the propylene impact copolymers are reactor blends, wherein polyethylene homopolymer and copolymer having a weight average molecular weight of from 500 to 10,000 is substantially absent from the composition. 2. The composition of claim 1, wherein the non-functionalized plasticizer comprises C8 to C100 paraffins. 3. The composition of claim 1, wherein the non-functionalized plasticizer comprises C10 to C100 n-paraffins. 4. The composition of claim 1 wherein the non-functionalized plasticizer has a pour point greater than −120° C. 5. The composition of claim 1 wherein the non-functionalized plasticizer has a pour point of less than −50° C. 6. The composition of claim 1 wherein the non-functionalized plasticizer has a pour point of less than −60° C. 7. The composition of claim 1, wherein the non-functionalized plasticizer has a kinematic viscosity of from 10 to 200 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 2.3. 9. The composition of claim 1, wherein the non-functionalized plasticizer has a specific gravity of less than 0.91. 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, or mixtures thereof. 15. The composition of claim 1, wherein the polyolefin is isotactic polypropylene. 16. The composition of claim 1, wherein the polyolefin is a copolymer comprising propylene derived units and units selected from ethylene derived units or 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 1, wherein the polyolefin is selected from propylene homopolymers, propylene impact copolymers, or mixtures thereof. 19. The composition of claim 1, wherein the polyolefin is selected from propylene copolymers, propylene impact copolymers, or mixtures thereof. 20. The composition of claim 1 further comprising a plastomer. 21. The composition of claim 14, further comprising a plastomer. 22. The composition of claim 1 where the composition further comprises a plastomer which is a copolymer of ethylene and from 2 to 35 weight % of C3 to C10 alpha-olefin derived units. 23. The composition of claim 18 where the composition further comprises a plastomer which is a copolymer of ethylene and from 2 to 35 weight % of C3 to C10 alpha-olefin derived units. 24. The composition of claim 19 where the composition further comprises a plastomer which is a copolymer of ethylene and from 2 to 35 weight % of C3 to C10 alpha-olefin derived units. 25. The composition of claim 1 wherein the composition further comprises plastomer having a 1% secant flexural modulus of from 10 MPa to 150 MPa. 26. The composition of claim 18 wherein the composition further comprises plastomer having a 1% secant flexural modulus of from 10 MPa to 150 MPa. 27. The composition of claim 19 wherein the composition further comprises plastomer having a 1% secant flexural modulus of from 10 MPa to 150 MPa. 28. The composition of claim 1 wherein the composition further comprises plastomer having a melting temperature of from 30 to 80° C. (first melt peak) and from 50 to 125 (second melt peak). 29. The composition of claim 18 wherein the composition further comprises plastomer having a melting temperature of from 30 to 80° C. (first melt peak) and from 50 to 125 (second melt peak). 30. The composition of claim 19 wherein the composition further comprises plastomer having a melting temperature of from 30 to 80° C. (first melt peak) and from 50 to 125 (second melt peak). 31. The composition of claim 1 wherein the composition further comprises a metallocene catalyzed copolymer of ethylene and propylene, 1-butene, 1-hexene, or 1-octene having a density of 0.86 to 0.900 g/cm3 and an Mw/Mn of 1.5 to 5. 32. The composition of claim 1 wherein the composition further comprises a metallocene catalyzed copolymer of ethylene and 1-butene, 1-hexene, or 1-octene having a density of 0.86 to 0.900 g/cm3 and an Mw/Mn of 1.5 to 5. 33. The composition of claim 1 wherein the composition further comprises a metallocene catalyzed copolymer of ethylene and 1-octene having a density of 0.86 to 0.900 g/cm3 and an Mw/Mn of 1.5 to 5. 34. The composition of claim 1 further comprising nucleating agents. 35. The composition of claim 1 further comprising slip agent. 36. 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. 37. 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, or medical devices comprising the composition of claim 1. 38. A plasticized polyolefin composition comprising from 99 wt % to 60 wt % polyolefin; and from 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 −40° C., a specific gravity of from 0.700 to 0.855 and a Kinematic viscosity of from 10 cSt to 500 cSt at 100° C., wherein the polyolefin has a 1% secant flexural modulus of 100 MPa to 2300 MPa and is selected from propylene homopolymers, propylene copolymers, propylene impact copolymers, or mixtures thereof, where the propylene impact copolymers are reactor blends, and where elastomers are not added to the composition and where polyethylene homopolymer and copolymer having a weight average molecular weight of from 500 to 10,000 are not added to the composition. 39. A plasticized polyolefin composition comprising from 99 wt % to 60 wt % polyolefin; and from 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 −30° C. and a kinematic viscosity of from 10 cSt to 500 cSt at 100° C. and wherein elastomers are substantially absent from the composition, wherein the polyolefin is selected from propylene homopolymers, propylene copolymers, propylene impact copolymers, or mixtures thereof, and the propylene homopolymers and propylene copolymers have a Gardener impact strength of 20 in-lb to 1000 in-lb at 23° C. and the impact copolymers have a Gardener impact strength of 20 in-lb to 1000 in-lb at −29° C., and where the propylene impact copolymers are reactor blends, and wherein polyethylene homopolymer and copolymer having a weight average molecular weight of from 500 to 10,000 is substantially absent from the composition. 40. A plasticized polyolefin composition comprising from 99 wt % to 60 wt % polyolefin; and from 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 −30° C. and a kinematic viscosity of from 10 cSt to 500 cSt at 100° C. and wherein elastomers are substantially absent from the composition, wherein the polyolefin has a 1% secant flexural modulus of 100 MPa to 2000 MPa and is selected from propylene homopolymers, propylene copolymers, propylene impact copolymers, or mixtures thereof, where the propylene impact copolymers are reactor blends, wherein polyethylene homopolymer and copolymer having a weight average molecular weight of from 500 to 10,000 is substantially absent from the composition. 41. A plasticized polyolefin composition comprising from 99 wt % to 60 wt % polyolefin; and from 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 −30° C., a viscosity index of 130 or more and a kinematic viscosity of from 10 cSt to 500 cSt at 100° C. and wherein elastomers are substantially absent from the composition, wherein the polyolefin has a melt flow rate, MFR, of from 0.1 dg/min to 2500 dg/min according to ASTM D 1238, 230° C., 2.16 kg and is selected from propylene homopolymers, propylene copolymers, propylene impact copolymers, or mixtures thereof, where the propylene impact copolymers are reactor blends, wherein the polyethylene homopolymer and copolymer having a weight average molecular weight of from 500 to 10,000 is substantially absent from the composition. 42. A plasticized polyolefin composition comprising from 99 wt % to 60 wt % polyolefin; and from 1 wt % to 40 wt % of a non-functionalized plasticizer having a pour point of less than −30° C. and a kinematic viscosity of from 10 cSt to 500 cSt at 100° C.; 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 within 1 to 2° C., and wherein elastomers are substantially absent from the composition, wherein polyethylene homopolymer and copolymer having a weight average molecular weight of from 500 to 10,000 is substantially absent from the composition, and wherein the polyolefin is selected from propylene homopolymers, propylene copolymers, propylene impact copolymers, or mixtures thereof, where the propylene impact copolymers are reactor blends. 43. The composition of claim 42, wherein the non-functionalized plasticizer comprises C8 to C100 paraffins. 44. The composition of claim 42, wherein the non-functionalized plasticizer comprises C6 to C50 isoparaffins. 45. The composition of claim 42, wherein the non-functionalized plasticizer comprises C10 to C100 n-paraffins. 46. The composition of claim 42, wherein the non-functionalized plasticizer has a pour point of less than −40° C. 47. The composition of claim 42 wherein the non-functionalized plasticizer has a pour point of less than −50° C. 48. The composition of claim 42 wherein the non-functionalized plasticizer has a pour point of less than −60° C. 49. The composition of claim 42, wherein the non-functionalized plasticizer has a Kinematic viscosity of from 10 to 200 cSt at 100° C. 50. The composition of claim 42, wherein the non-functionalized plasticizer has a dielectric constant at 20° C. of less than 2.3. 51. The composition of claim 42, wherein the non-functionalized plasticizer has a specific gravity of from 0.700 to 0.860. 52. The composition of claim 42, wherein aromatic moieties are substantially absent from the non-functionalized plasticizers. 53. The composition of claim 42, wherein the weight average molecular weight of the non-functionalized plasticizer is from 200 to 25,000 g/mol. 54. The composition of claim 42, wherein the weight average molecular weight of the non-functionalized plasticizer is from 200 to 10,000 g/mol. 55. The composition of claim 42, wherein the polyolefin is an isotactic propylene homopolymer. 56. The composition of claim 42, wherein the polyolefin is selected from propylene copolymers, propylene impact copolymers, or mixtures thereof. 57. The composition of claim 42, 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. 58. 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, or medical devices comprising the composition of claim 42.
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