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US 12,247,334 B2Granted
High loft nonwoven fabrics
AssigneeBerry Global, Inc.
InventorsRalph A. Moody, Abhay Joijode, Mehmet Selcuk Sinangìl
Life of this patent
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Abstract
Nonwoven fabrics are provided that include 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, in which the second polymeric material comprises a second polymeric blend of (i) at least one polypropylene polymer, (ii) at least one polyethylene polymer, and (iii) at least one compatibilizer comprising or consisting of at least one polypropylene-polyethylene copolymer.
Claims19
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.
Dependencies are inferred from the claim text.