Eastman Chemical Company
ADDITION OF CELLULOSE ESTERS TO A PAPER MILL WITHOUT SUBSTANTIAL MODIFICATIONS
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Abstract:
The present invention provides compositions comprising cellulose fibers and cellulose ester fibers and wet laid articles made from the compositions, as well as wet laid processes to produce these compositions. More specifically, the present invention provided compositions comprising cellulose fibers and cellulose acetate fibers and wet laid articles made from these compositions as well as wet laid processes to produce these compositions. The present invention also relates to developing a composition, process, wet laid product, or articles exhibiting any one of many the desired benefits. This invention also relates to a process to produce a wet laid article in a paper mill, said process comprising adding cellulose ester staple fiber to a hydropulper zone, and/or to a refining zone, and/or after the refining zone wherein said paper mill process is not substantially modified to allow for said adding of said cellulose ester
Utility
26 Jul 2019
27 Feb 2020