The present invention relates to a composition comprising 1) from 1 to 98 weight % of a first propylene polymer having a melting point of 100° C. or more, 2) from 5 to 98 weight % of a second propylene polymer having a heat of fusion of 70 J/g or less and a tacticity index of 75% or more, 3) from 0.
The present invention relates to a composition comprising 1) from 1 to 98 weight % of a first propylene polymer having a melting point of 100° C. or more, 2) from 5 to 98 weight % of a second propylene polymer having a heat of fusion of 70 J/g or less and a tacticity index of 75% or more, 3) from 0.5 to 75 weight % of a non-functionalized plasticizer ("NFP") having a viscosity index of 120 or more, based upon the weight of the first polymer, second polymer, and the NFP, and articles therefrom.
대표청구항▼
The invention claimed is: 1. A composition comprising 1) from 1 to 98 weight % of a first propylene polymer having a melting point of 100° C. or more, 2) from 5 to 98 weight % of a second propylene polymer having a heat of fusion of 70 J/g or less and a tacticity index of 75% or more, 3) from 0.5 t
The invention claimed is: 1. A composition comprising 1) from 1 to 98 weight % of a first propylene polymer having a melting point of 100° C. or more, 2) from 5 to 98 weight % of a second propylene polymer having a heat of fusion of 70 J/g or less and a tacticity index of 75% or more, 3) from 0.5 to 75 weight % of a non-functionalized plasticizer ("NFP") having a viscosity index of 120 or more and a pour point of-10° C. or less, based upon the weight of the first polymer, second polymer, and the NFP. 2. The composition of claim 1 wherein the NFP has a flash point of 200° C. or more. 3. The composition of claim 2 wherein the NFP has a kinematic viscosity of 35 cSt or more at 100° C. 4. The composition of claim 2 wherein the NFP has a pour point of-20° C. or less. 5. The composition of claim 1 wherein where the NFP has a kinematic viscosity at 25° C. of 30,000 cSt or less. 6. The composition of claim 1 wherein where the non-functionalized plasticizer comprises oligomers of C5 to C14 olefins having a Kinematic viscosity of 10 cSt or more at 100° C. 7. The composition of claim 1 wherein the non-functionalized plasticizer has a kinematic viscosity of 10 cSt or more at 100° C. 8. The composition of claim 1 where the non-functionalized plasticizer comprises a mineral oil having a saturates levels of 90% or more and sulfur contents of 0.03% or less. 9. The composition of claim 1 where the non-functionalized plasticizer comprises a mixture of branched and normal paraffins having from 6 to 50 carbon atoms and a ratio of branch paraffin to n-paraffin ratio ranging from 0.5:1 to 9:1. 10. The composition of claim 1 where the non-functionalized plasticizer comprises a mixture of branched and normal paraffins having from 6 to 50 carbon atoms and a ratio of branch paraffin to n-paraffin ratio ranging from 0.5:1 to 9:1, where the mixture comprises greater than 50 wt % mono-methyl species. 11. The composition of claim 1 where the plasticizer comprises a mixture of branched and normal paraffins having from 10 to 16 carbon atoms and a ratio of branch paraffin to n-paraffin ratio ranging from 1:1 to 4:1. 12. The composition of claim 1 where the non-functionalized plasticizer comprises a linear or branched paraffinic hydrocarbon composition having a number average molecular weight of 500 to 20,000, having less than 10% sidechains having 4 or more carbons, and having at least 1 or 2 carbon branches present at 15 weight % or more, and where the NFP comprises less than 2 weight % cyclic paraffins. 13. The composition of claim 1 wherein the non-functionalized plasticizer comprises C20 to C1500 paraffins having a Kinematic viscosity of 10 cSt or more at 100° C. and where the second propylene polymer has a Shore D Hardness of less than 50 and heat of fusion of less than 50 J/gm, and the composition has a tensile strength greater than 1 MPa. 14. The composition of claim 1 where the composition comprises less than 0.1 weight % of an elastomer, based upon the weight of the composition. 15. The composition of claim 1 wherein the first polymer comprises isotactic polypropylene. 16. The composition of claim 1 where the second propylene polymer comprises a copolymer of propylene and from 0.5 to 30 weight % of one or more comonomers selected from the group consisting of ethylene, butene, pentene, hexene, heptene, octene, nonene, decene, dodecene, 4-methyl-pentene-1, 3-methyl pentene-1, 5-ethyl-1-nonene, and 3,5,5-trimethyl-hexene-1. 17. The composition of claim 1 further comprising an ethylene homopolymer Or copolymer having a composition distribution breadth index of 90% or more and a density of 0.86 to 0.925 g/cc. 18. The composition of claim 1 where the first propylene polymer is an impact copolymer and the composition further comprises an ethylene homopolymer or copolymer having a composition distribution breadth index of 90% or more and a density of 0.86 to 0.925 g/cc. 19. An article comprising the composition of claim 1. 20. The article of claim 19 where the article is a molded article. 21. The article of claim 19 where the article is an extruded article. 22. The article of claim 19 where the article is a film. 23. The article of claim 19 where the article is a fiber. 24. The article of claim 19 where the article is a nonwoven. 25. The article of claim 19 wherein the article is selected from the group consisting of: tubes, pipes, wire jacketing, cable jacketing, bumpers, grills, trim parts, dashboards, instrument panels, spoilers, windscreens, hub caps, mirror housing, body panels, protective side molding, crates, containers, office floor mats, instrumentation sample holders, sample windows; liquid storage containers, bags, pouches, bottles for storage and IV infusion of blood or solutions; shoe soles, gaskets, bellows, elastic fibers, and sealants. 26. A method to make an article of manufacture comprising subjecting the composition of claim 1 one or more of: injection molding, compression molding, transfer molding, casting, extruding, thermoforming, blow molding, rotational molding or combinations thereof. 27. The film of claim 22 wherein the second propylene polymer comprises 97 to 75 weight % propylene, 3 to 25 wt % ethylene and has a heat of fusion of 50 J/g or less and a triad tacticity of 80% or more and wherein the plasticizer has a flash point of 200° C. or more and a kinematic viscosity at 100° C. of 40 cSt or more, or a pour point of-30° C. or less. 28. The fiber of claim 23 wherein the second propylene polymer comprises 97 to 75 weight % propylene, 3 to 25 wt % ethylene and has a heat of fusion of 50 J/g or less and a triad tacticity of 80% or more and wherein the plasticizer has a flash point of 200° C. or more and a kinematic viscosity at 100° C. of 40 cSt or more, or a pour point of-30° C. or less. 29. A nonwoven comprising the fiber of claim 28. 30. The composition of claim 1 formed into a pellet, where the pellet is dusted with a polyolefin powder having a mesh size of from 1 to 100.
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