Fibers of polyolefin polymers

Claim 2

Fibers comprising at least one copolymer of ethylene and at least one comonomer, the polymer having a density in the range of about 0.86 to about 0.93 g/cm 3 , a MWD in the range of about 1.8 to about 3.5, a melt index in the range of about 4 to about 1000, and a SDBI less than about 25° C.

Claim 3

Fibers of claim 1 wherein the comonomer comprises styrene, ethylenically unsaturated olefin(s) having from 3 to about 20 carbon atoms, or combinations thereof.

Claim 4

Fibers of claim 2 wherein the comonomer comprises one or more of propylene, butene-1, hexene-1, octene-1 and 4-methyl-1-pentene.

Claim 5

Fibers of claim 1 wherein the copolymer has a density in the range of about 0.86 to about 0.92 g/cm 3 .

Claim 6

Fibers of claim 1 wherein copolymer MWD is in the range of about 2.0 to about 2.5.

Claim 7

Fibers of claim 1 wherein the copolymer SDBI is less than about 20° C.

Claim 8

Fibers of claim 1 wherein the copolymer density is in the range of about 0.86 to about 0.89 g/cm 3 and MWD is in the range of about 2 to about 2.2.

Claim 9

Fibers of claim 1 wherein the copolymer density is in the range of about 0.86 to about 0.91 g/cm 3 , the MWD is in the range of about 2 to about 3, and wherein the copolymer has; a) a melt index in the range of about 10 to about 1000 and is formed by a meltblown process, b) a melt index in the range of about 4 to about 60 and is formed by a spunbonded process, or c) a melt index in the range of about 4 to about 150 and is formed by a melt spinning process.

Claim 10

Fabrics comprising fiber(s) of claim 1 formed by melt blown process wherein copolymer melt index is in the range of about 10 to about 1000.

Claim 11

Fabrics comprising fibers of claim 1 and having, a) a permanent set, after 6 cycles of 50% extension in the machine direction, of less than about 25%; b) a permanent set, after 6 cycles of 50% extension in the transverse direction, of less than about 25%; c) a tensile modulus, after 6 cycles of 50% extension in the machine direction, of not more than about 300 g; d) a tensile modulus, after 6 cycles of 50% extension in the transverse direction, of not more than about 300 g; and e) a total hand of less than about 75 g.

Claim 12

Fabrics comprising fibers of claim 1 formed by spunbonded process wherein the copolymer melt index is in the range of about 4 to about 60.

Claim 13

Fabrics of claim 11 having, a) a permanent set, after 6 cycles of 100% extension in the machine direction, of less than about 40%; b) a permanent set, after 6 cycles of 100% extension in the transverse direction, of less than about 40%; c) a permanent set, after 6 cycles of 50% extension in the machine direction, of less than about 30%; d) a permanent set, after 6 cycles of 50% extension in the transverse direction, of less than about 35%; e) a tensile modulus, after 6 cycles of 100% extension in the machine direction, of less than about 900 g; f) a tensile modulus, after 6 cycles of 100% extension in the transverse direction, of less than about 600 g; g) a tensile modulus, after 6 cycles of 50% extension in the machine direction, of less than about 700 g; h) a tensile modulus, after 6 cycles of 50% extension in the transverse direction, of less than about 370 g; and i) a bonding temperature less than about 110° C.

Claim 14

Fabrics of claim 12 having, a) a permanent set, after 6 cycles of 100% extension in the machine direction, in the range of about 5-about 35%; b) a permanent set, after 6 cycles of 100% extension in the transverse direction, of less than about 5-about 35%; c) a permanent set, after 6 cycles of 50% extension in the machine direction, in the range of about 5-about 25%; d) a permanent set, after 6 cycles of 50% extension in the transverse direction, in the range of about 5-about 25%; e) a tensile modulus, after 6 cycles of 100% extension in the machine direction, less than about 800 g; f) a tensile modulus, after 6 cycles of 100% extension in the transverse direction, of less than about 500 g; g) a tensile modulus, after 6 cycles of 50% extension in the machine direction, of less than about 600 g; h) a tensile modulus, after 6 cycles of 50% extension in the transverse direction, in the range of about 40-about 200 g; and i) a bonding temperature in the range of about 35°-about 105° C.

Claim 15

Drapeable fabrics comprising fibers formed from copolymer(s) of ethylene and one or more comonomer(s), having a density in the range of about 0.86 to about 0.93 g/cm 3 , a MWD in the range of about 2 to about 3.5, a melt index in the range of about 4 to about 1000, and a SDBI less than about 25° C.

Claim 16

Drapeable fabrics comprising fibers formed from copolymer(s) of ethylene and one or more comonomer(s), having a density in the range of about 0.86 to about 0.93 g/cm 3 , a MWD in the range of about 2 to about 3.5, a melt index in the range of about 4 to about 1000, and a SDBI less than about 25° C.

Claim 17

Garment or drape comprising fabric of claim 14.