POLYMER MIXTURE
A nonwoven and a nonwoven fiber are disclosed. The fleece or fleece fiber include a polymer mixture. The polymer mixture includes a polyethyelene and a LLDPE. Various applications for the fleece are proposed.
1 . An article, comprising:
a plurality of nonwoven fibers, at least some of the fibers comprising a polymer mixture that comprises:
a polyethyelene as a first polymer; and
a LLDPE as a second polymer,
wherein:
the first polymer has an MFI between 15 and 35 g/10 min per ISO 1133;
the first polymer has a density of 0.935 to 0.965 g/cm 3 per ASTM D-792; and
the second polymer has a density between 0.85 and 0.900 g/cm 3 per ASTM D-762.
2 . The article of claim 1 , wherein the polymer mixture comprises at least 80 weight percent of the first polymer, and the polymer mixture comprises from 10 to 20 weight percent of the second polymer.
3 . The article of claim 1 , wherein the second polymer has an MFI of 3 to 7 g/10 min per ISO 1133.
4 . The article of claim 1 , wherein the second polymer has a melting point of from 50° C. to 100° C. per DSC measurement.
5 . The article material of claim wherein the second polymer is an ethylene alpha olefin copolymer.
6 . The article of claim 1 , wherein the polymer mixture comprises a polyethylene homopolymer or a polyethyelene copolymer.
7 . The article of claim 1 , wherein the article comprises two layers that bond to each other upon the application of heat.
8 . A fiber, comprising:
a polyethylene as a first polymer, the first polymer having an MFI of between 15 and 35 g/10 min per ISO 1133, and the first polymer having a density of 0.935 to 0.965 g/cm 3 per ASTM D-792; and
an LLDPE as a second polymer, the second polymer having a density between 0.85 and 0.900 g/cm 3 per ASTM D-762.
9 . The fiber of claim 8 , wherein the fiber comprises at least 80 weight percent of the first polymer, and the fiber comprises up to 20 weight percent of the second polymer.
10 . The fiber of claim 8 , wherein the second polymer has an MFI of 3 to 7 g/10 min per ISO 1133.
11 . The fiber of claim 8 , wherein the second polymer has a melting point of from 50° C. to 100° C. per DSC measurement.
12 . The fiber of claim 8 , wherein the second polymer is an ethylene alpha olefin copolymer.
13 . The fiber of claim 8 , wherein the fiber comprises a polyethylene homopolymer and/or a polyethylene copolymer.
14 . A polymer mixture, comprising:
a polyethylene as a first polymer, the first polymer having an MFI between 15 and 35 g/10 min per ISO 1133, and the first polymer having density of 0.935 to 0.965 g/cm 3 per ASTM D-792; and
an LLDPE as a second polymer, the second polymer having a density of 0.85 to 0.900 g/cm 3 per ASTM D-762.
15 . The polymer mixture of claim 14 , wherein the polymer mixture comprises at least 80 weight percent of the first polymer, and the polymer mixture comprises up to 20 weight percent of the second polymer.
16 . The polymer mixture of claim 14 , wherein the second polymer has an MFI of 3 to 7 g/10 min per ISO 1133.
17 . The polymer mixture of claim 14 , wherein the second polymer has a melting point of from 50° C. to 100° C. per DSC measurement.
18 . The polymer mixture of claim 14 , wherein the second polymer has a melting point of from 50° C. to 70° C. per DSC measurement.
19 . The polymer mixture of claim 14 , wherein the second polymer is an ethylene alpha olefin copolymer.
20 . The polymer mixture of claim 14 , wherein the polymer mixture comprises a polyethylene homopolymer and/or a polyethylene copolymer.