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公开(公告)号：US20200063373A1
公开(公告)日：2020-02-27
申请号：US16522966
申请日：2019-07-26
Applicant: Eastman Chemical Company
Inventor： Kenny Randolph Parker , Charles Stuart Everett , Melvin Glenn Mitchell , Koushik Ghosh , Mounir Izallalen
Abstract: Contoured articles formed in a mold from a fiber slurry are provided. The articles comprise a blend of cellulose fibers and cellulose ester, such as cellulose ester staple fibers. The articles are suitable in a wide array of end uses, including as cups, lids, boxes or pouches, storage containers, trays, plates, food trays, cutlery, coffee cups, coffee cup lid, packaging, bowls, clam shells, bottle caps, straws, covers, and packaging inserts.
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公开(公告)号：US20200063372A1
公开(公告)日：2020-02-27
申请号：US16522953
申请日：2019-07-26
Applicant: Eastman Chemical Company
Inventor： Charles Stuart Everett , Melvin Glenn Mitchell , Kenny Randolph Parker , Koushik Ghosh , Mounir Izallalen
Abstract: Absorbent wet laid products are made containing cellulose fibers and cellulose ester staple fibers that are co-refined to obtain products and articles that have improved water absorbency and tensile strength or burst strength or both. The absorbent wet laid products can now be made with a synthetic fiber in the wet laid operation since cellulose ester can be subjected to a refining operation.
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公开(公告)号：US20200063362A1
公开(公告)日：2020-02-27
申请号：US16522956
申请日：2019-07-26
Applicant: Eastman Chemical Company
Inventor： Charles Stuart Everett , Melvin Glenn Mitchell , Kenny Randolph Parker
Abstract: A bale of sheets made of waste/recycle cellulose fibers and cellulose ester (CE) staple fibers can be fed to a hydropulper. The 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. crimping, or iv. a combination of any two or more of (i)-(iii). The bales can be fed and dropped in as entire bales to a hydropulper, or a blend tank directly or indirectly in fluid communication with a hydropulper, using the same feed system employed for feeding cellulose to the hydopulper and avoiding having to defiberize by pulling or drawing fibers from a box container into a hydropulper. The waste/recycle cellulose fibers and CE staple fibers can be co-refined prior to making the bale of sheets.
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公开(公告)号：US20200063361A1
公开(公告)日：2020-02-27
申请号：US16522947
申请日：2019-07-26
Applicant: Eastman Chemical Company
Inventor： Charles Stuart Everett , Melvin Glenn Mitchell , Kenny Randolph Parker , Mounir Izallalen , Koushik Ghosh
Abstract: Wet laid products such as cardboard, paperboard, and packaging and container board can be light-weighted or made thicker, while retaining Gurley stiffness. The wet laid products contain co-refined CE staple fibers that have: 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. a combination of any two or more of (i)-(iv).
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公开(公告)号：US20200063359A1
公开(公告)日：2020-02-27
申请号：US16522937
申请日：2019-07-26
Applicant: Eastman Chemical Company
Inventor： Charles Stuart Everett , Melvin Glenn Mitchell , Kenny Randolph Parker , Koushik Ghosh , Mounir Izallalen
IPC: D21H15/10 , D21C9/06 , D21F1/00 , D21F1/02 , D21F1/10 , D21H15/04 , D21H11/16 , D21H11/14 , D21H21/16
Abstract: A wet laid process includes a method for making paper in which a composition containing co-refined cellulose fibers and cellulose ester fibers made into a thick stock composition in a machine chest, the thick stock is fed to a cleaning/screening zone through a device that regulates the flow rate of thick stock, the consistency of the thick stock fed to the screening/cleaning zone is reduced to form a thin stock composition; the thin stock composition is subjected to a process for cleaning the thin stock and feeding the cleaned thin stock through screens to form a cleaned and screened thin stock composition, and the cleaned and screened thin stock composition is fed to a headbox.
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Patent Agency Ranking
公开(公告)号：US20200063353A1
公开(公告)日：2020-02-27
申请号：US16522989
申请日：2019-07-26
Applicant: Eastman Chemical Company
Inventor： Charles Stuart Everett , Melvin Glenn Mitchell , Kenny Randolph Parker
Abstract: A film is made from a wet laid product containing cellulose fibers and cellulose ester fibers and a plasticizer. The film can be made by heat pressing the wet laid sheet to form a film having a continuous phase of cellulose ester resin and a discontinuous phase of cellulose fibers.
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公开(公告)号：US20200063350A1
公开(公告)日：2020-02-27
申请号：US16522975
申请日：2019-07-26
Applicant: Eastman Chemical Company
Inventor： Melvin Glenn Mitchell , Kenny Randolph Parker , Charles Stuart Everett , Mounir Izallalen , Koushik Ghosh
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 desired benefits. The present invention relates a filtration article comprising a wet-laid composition comprising cellulose fibers and staple fibers.
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公开(公告)号：US20200063349A1
公开(公告)日：2020-02-27
申请号：US16522964
申请日：2019-07-26
Applicant: Eastman Chemical Company
Inventor： Kenny Randolph Parker , Charles Stuart Everett , Melvin Glenn Mitchell , Koushik Ghosh , Mounir Izallalen
Abstract: Embodiments of the present invention relate to elongated tubular members that include at least one layer comprising a cellulose ester. In some cases, the cellulose ester may be in the form of staple fibers. The layer may be formed via a wet-laid fiber web that may also include cellulose fibers. The elongated tubular members may be suitable for use with food and/or beverage items as, for example, drinking straws or other similar items.
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公开(公告)号：US20200063345A1
公开(公告)日：2020-02-27
申请号：US16522969
申请日：2019-07-26
Applicant: Eastman Chemical Company
Inventor： Charles Stuart Everett , Melvin Glenn Mitchell , Kenny Randolph Parker , Koushik Ghosh , Mounir Izallalen
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 desired benefits.
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公开(公告)号：US20200063339A1
公开(公告)日：2020-02-27
申请号：US16522931
申请日：2019-07-26
Applicant: Eastman Chemical Company
Inventor： Charles Stuart Everett , Melvin Glenn Mitchell , Kenny Randolph Parker , Koushik Ghosh , Mounir Izallalen
Abstract: A composition and process for making the composition by co-refining: fibrillated virgin cellulose fibers, waste/recycle cellulose fibers, or both; co-refined cellulose ester (CE) staple fibers having a denier per filament (DPF) of less than 3 and the weight percent of CE staple fibers is less than 30 wt. %, based on the weight of CE staple fibers and said cellulose fibers; and water. The composition can be co-refined to obtain lower Canadian standard freeness yet improved drainage and wet laid products having good tensile strength, air permeability, stiffness, burst strength, and bulk.
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