US 12,247,334 B2
High loft nonwoven fabrics
Ralph A. Moody, Mooresville, NC (US); Abhay Joijode, Huntersville, NC (US); and Mehmet Selcuk Sinangìl, Mooresville, NC (US)
Assigned to BERRY GLOBAL, INC., Evansville, IN (US)
Filed by Berry Global, Inc., Evansville, IN (US)
Filed on Oct. 18, 2022, as Appl. No. 17/968,316.
Claims priority of provisional application 63/256,796, filed on Oct. 18, 2021.
Prior Publication US 2023/0119301 A1, Apr. 20, 2023
Int. Cl. D04H 1/4382 (2012.01); D04H 1/06 (2012.01); D04H 1/4291 (2012.01); D04H 3/007 (2012.01); D04H 3/147 (2012.01)
CPC D04H 1/43828 (2020.05) [D04H 1/06 (2013.01); D04H 1/4291 (2013.01); D04H 1/4383 (2020.05); D04H 1/43832 (2020.05); D04H 3/007 (2013.01); D04H 3/147 (2013.01); D10B 2321/021 (2013.01); D10B 2321/022 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A nonwoven fabric, comprising: a plurality of crimped bicomponent fibers having a first component comprising a first polymeric material comprising a first polymer or a first polymeric blend and a second component comprising a second polymeric material; wherein the second polymeric material comprises a second polymeric blend of (i) at least one polypropylene polymer, (ii) at least one polyethylene polymer having a melt flow rate (MFR) from about 1 to about 15 g/10 min as determined by ASTM D1238 (190° C./2.16 kg), and (iii) at least one compatibilizer comprising consisting of at least one polypropylene-polyethylene copolymer.