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Application US20200063347
Eastman Chemical Company

Waste Recycle Composition

A recycled cellulose pulp composition is provided which comprises recycled cellulosic fibers and cellulose ester staple fibers. The recycled cellulose pulp containing co-refined re-cycled cellulose fibers and cellulose ester staple fibers can be added to a hydropulper and fed back through a refiner to make wet laid products.

Much More than Average Length Specification


1 Independent Claims

  • Claim CLM-00001. 1. A composition comprising, or obtained by combining: a. waste/recycle cellulose fibers, and b. cellulose ester (CE) staple fibers having: i. a denier per filament (DPF) of less than 3, or ii. a cut length of less than 6 mm, or iii. crimping, or iv. non-round with a DPF of less than 3, or v. a combination of any two or more of (i)-(iv), and c. water.
  • Claim CLM-00008. 8. A process for making a waste/recycle composition comprising: a. combining waste/recycle cellulose fibers, cellulose ester (CE) staple fibers, and water in a hydropulping vessel, and b. agitating the cellulose fibers, CE staple fibers, and water to obtain a furnish composition having a consistency of less than 50 wt. %; wherein the cellulose ester (CE) staple fibers have: i. a denier per filament (DPF) of less than 3, or ii. a cut length of less than 6 mm, or iii. crimp, or iv. non-round with a DPF of less than 3, or v. a combination of any two or more of (i)-(iv).


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