Nonwoven web composition, method to prepare the composition and articles thereof
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United States of America Patent
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Aug 8, 2023
Grant Date -
Jul 29, 2021
app pub date -
Jan 23, 2020
filing date -
Jan 23, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
A nonwoven web, containing at least one first homogeneous layer consisting of a blend of at least one of defibrated natural plant based fibers, individualized natural plant based fibers and staple fibers is provided. The nonwoven web contains no binder, adhesive or thermal bonding fibers and a basis weight of the at least one homogeneous layer is from 20 g/m2 to 100 g/m2. When a weighted average fiber length of the blend is greater than about 4.0 mm, the nonwoven web is a non-dispersible product which does not meet the requirement for dispersibility in accordance with INDA/EDANA GD4, and when a weighted average fiber length of the blend is less than about 4.0 mm, the nonwoven web is a dispersible product as defined in accordance with INDA/EDANA GD4. Methods to prepare the nonwoven web are provided.
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