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1.发明公开公开(公告)号：US20240167229A1
公开(公告)日：2024-05-23
申请号：US18551940
申请日：2022-03-25
发明人： Lars Sandberg , Yselaure Boissard , Shoko Yamada
CPC分类号： D21J1/08 , B65D1/0215 , B65D23/02 , B65D23/0821 , D21H21/16 , D21H23/50 , D21H27/00 , D21J3/10
摘要： The present disclosure generally relates to a method for providing a non-uniform barrier coating on a hollow container (100) comprising molded pulp. The method comprises depositing a polymeric powder on the interior container surface in at least one predetermined portion (105a-d) of the hollow container and subsequently treating the container with heat or irradiation. The present disclosure also relates to a hollow container (100) comprising a non-uniform polymeric powder coating.
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公开(公告)号：US11859348B2
公开(公告)日：2024-01-02
申请号：US17809019
申请日：2022-06-27
发明人： Masahide Nakamura
摘要： There is provided a fiber body manufacturing method including an accumulating step of forming the web by accumulating a material containing fibers and starch or dextrin on the first transport belt by a dry method; a transport step of transporting the web by peeling off a first surface of the web from the first transport belt, and by bringing a second surface of the web, which is a surface opposite to the first surface peeled off from the first transport belt, into contact with the second transport belt; a water-applying step of applying the water to the web which is in contact with the first transport belt or the second transport belt; and a heating step of heating the web by bringing the heating section into contact with the web peeled off from the second transport belt, and forming a fiber body by binding the fibers with the starch or dextrin, in which the web peeled off from the second transport belt is directly supplied to the heating section.
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3.发明公开公开(公告)号：US20230366156A1
公开(公告)日：2023-11-16
申请号：US18248047
申请日：2021-10-04
发明人： Sadanao MANABE , Ryoichi OCHI , Yuusuke SHIINOKI
CPC分类号： D21H27/32 , D21H23/50 , D21H27/005
摘要： To provide a method for manufacturing three-ply or four-ply tissue paper that reduces a sticky feeling of an outer surface while securing necessary softness. In manufacturing tissue paper including a stacked sheet in which three plies or four plies are stacked, each of the plies contains an aqueous moisturizer exhibiting hygroscopicity, and each of the plies has a difference in magnitude of an arithmetic mean height Sa according to ISO 25718 between both surfaces of each of the plies. A manufacturing method includes: applying the moisturizer to each of the plies such that the moisturizer is applied to an outer surface of each of the plies located on an outer side of the stacked sheet in a state where the outer surface has a small value of the arithmetic mean height Sa; folding the stacked sheet in which the moisturizer has been applied to each of the plies; and then storing the stacked sheet in the storage body in a folded state.
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公开(公告)号：US11680371B2
公开(公告)日：2023-06-20
申请号：US16757477
申请日：2018-10-10
摘要： A method for producing dried multilayer paper is provided comprising dewatering a first aqueous fibrous suspension, thereby creating a first fibrous web; dewatering a second aqueous fibrous suspension, thereby creating a second fibrous web; spraying one or more of a first fibrous web and a second fibrous web with a spray solution or spray suspension, thereby producing at least one sprayed fibrous web; assembling the first fibrous web with the second fibrous web; dehydrating the resulting layer compound by pressing; then dehydrating by supplying heat, which creates the dried multilayer paper. The spray solution or spray suspension contains water and at least one water-soluble polymer P. The polymer P is obtained by polymerizing: 40 to 85 mol % of a monomer of Formula I
in which R1=H or C1-C6-Alkyl; and 15 to 60 mol % of one or more ethylenically unsaturated monomers.-
5.发明申请公开(公告)号：US20230123531A1
公开(公告)日：2023-04-20
申请号：US17904127
申请日：2021-02-17
摘要： The present invention relates generally to the field of polymer dispersion coated, paper-based flexible packaging materials. In particular, the present invention relates to improving the barrier properties of polymer dispersion coated 5 paper-based flexible packaging materials. Embodiments of the present invention relate to a process for improving the barrier properties of polymer dispersion coated paper-based flexible packaging materials comprising the step of applying an Al2O3 coating to at least one surface of the dispersion coated paper-based flexible packaging materials, for example by using atomic layer deposition; and an Al2O3-coated paper material 10 obtainable by such a process.
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公开(公告)号：US20220412012A1
公开(公告)日：2022-12-29
申请号：US17809019
申请日：2022-06-27
发明人： Masahide NAKAMURA
摘要： There is provided a fiber body manufacturing method including an accumulating step of forming the web by accumulating a material containing fibers and starch or dextrin on the first transport belt by a dry method; a transport step of transporting the web by peeling off a first surface of the web from the first transport belt, and by bringing a second surface of the web, which is a surface opposite to the first surface peeled off from the first transport belt, into contact with the second transport belt; a water-applying step of applying the water to the web which is in contact with the first transport belt or the second transport belt; and a heating step of heating the web by bringing the heating section into contact with the web peeled off from the second transport belt, and forming a fiber body by binding the fibers with the starch or dextrin, in which the web peeled off from the second transport belt is directly supplied to the heating section.
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公开(公告)号：US11365517B2
公开(公告)日：2022-06-21
申请号：US16975729
申请日：2019-01-18
申请人： Kemira Oyj
发明人： Matti Hietaniemi
IPC分类号： D21H27/36 , D21F11/04 , D21H17/26 , D21H17/29 , D21H17/42 , D21H17/45 , D21H21/18 , D21H23/28 , D21H23/50 , D21H23/72
摘要： A method for manufacturing a multi-layered paperboard is disclosed, which includes at least two fibrous layers, in which method at least one layer of the multi-layered paperboard is treated by applying an aqueous solution of a first strength component in dissolved form including anionic strength polymer and/or amphoteric strength polymer composition on a surface of layer, and an aqueous solution of a cationic second strength component in dissolved form is added to a fibre stock from which at least one of the fibrous layers joined together is formed.
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公开(公告)号：US11326308B2
公开(公告)日：2022-05-10
申请号：US16703986
申请日：2019-12-05
申请人： WestRock MWV, LLC
发明人： Jiebin Pang , Steven Parker , Natasha G. Melton
IPC分类号： D21H19/82 , D21H19/58 , D21H19/40 , D21H19/38 , D21H19/54 , D21H19/50 , D21H19/44 , D21H21/16 , D21H23/50 , D21H23/34 , D21H23/48 , D21H23/52 , D21H23/56 , D21H23/72 , D21H27/10 , D21H27/22 , D21H19/60 , D21H21/14 , D21H23/32
摘要： A coated paperboard comprising a paperboard substrate having a first side and a second side and a coating in contact with the first side of the paperboard substrate, the coating including binder and pigment, the coating containing substantially no fluorochemical or wax, wherein the coated paperboard has a 3M kit test value of at least 3, and wherein the coated paperboard is repulpable.
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公开(公告)号：US11293143B2
公开(公告)日：2022-04-05
申请号：US16757525
申请日：2018-10-10
摘要： A method to produce dried single-layer or multi-layer paper is disclosed. The method comprises, for a single-layer paper, preparing and spraying a partially dehydrated first fibrous web with a spray solution or suspension to give a sprayed partially dehydrated first fibrous web, and dehydrating the sprayed partially dehydrated first fibrous web by applying heat to form a dried single-layer paper; or, for a multi-layer paper, preparing and spraying a partially dehydrated layer compound with a spray solution or suspension to form a sprayed layer compound, and dehydrating the sprayed layer compound by applying heat to form a dried multi-layer paper. The spray solution or suspension comprises water and at least one water-soluble polymer P, which is obtained by polymerizing: (i) a monomer of formula H2CCHNHC(0)R1, where R1 is H or C1-C6- alkyl; and (ii) one or more ethylenically unsaturated monomers different from monomer (i).
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公开(公告)号：US20210054570A1
公开(公告)日：2021-02-25
申请号：US16966527
申请日：2019-01-31
申请人： Stora Enso OYJ
发明人： Kaj Backfolk , Isto Heiskanen , Esa Saukkonen , Jukka Kankkunen , Anna Nyberg Zetterlund , Jan Lif
摘要： The present invention relates to a process for manufacturing a film comprising high amounts of microfibrillated cellulose (MFC), having haptic properties. According to the present invention, a wet web comprising MFC is formed, followed by addition of particles having an average diameter of at least 1 μm to the wet web, followed by dewatering and/or drying. The wet web may be formed for example by wet laid or cast forming methods. The particles may be added to the wet web for example by cast coating or spraying.
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