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    Process to form a tile using low temperature heat lamination
    6.
    发明授权
    Process to form a tile using low temperature heat lamination 有权

    公开(公告)号：US11376833B2

    公开(公告)日：2022-07-05

    申请号：US16639465

    申请日：2018-08-16

    申请人： Dow Global Technologies LLC

    发明人： Yushan Hu ,  Ronald J. Weeks ,  Mark T. Jablonka ,  Lizhi Liu

    IPC分类号： B32B37/06 ,  B32B5/02 ,  B32B7/12 ,  B32B27/08 ,  B32B27/12 ,  B32B27/18 ,  B32B27/32 ,  C08L23/08

    摘要： A method to produce a tile comprising at least the following layered sections: a wear layered section, a decor layered section and a base layered section; and wherein the wear layered section comprises the following: A) a compositional layer A formed from a composition A comprising at least one olefin-based polymer; wherein the decor layered section comprises the following: B1) a compositional layer B1 formed from a composition B1 comprising a propylene-based polymer; B2) a compositional layer B2 formed from a composition B2 comprising an olefin-based polymer; wherein the base layered section comprises the following: C) a compositional layer C formed from a composition C comprising an olefin-based polymer; wherein the method comprises the following step(s): i) heat laminating compositional layer A to compositional layer B1, at a temperature T1≤140° C.; and wherein, for a continuous production of the tile, T1 is the temperature at the surface of the compositional layer with the highest, or equivalent, surface temperature; and for a batch production of the tile, T1 is the interfacial temperature between the two compositional layers; ii) heat laminating compositional layer B2 to compositional layer C, at a interfacial temperature T2≤140° C.; and wherein, for a continuous production of the tile, T2 is the temperature at the surface of the compositional layer with the highest, or equivalent, surface temperature; and for a batch production of the tile, T2 is the interfacial temperature between the two compositional layers.

    Ethylene-based resins for closure applications
    7.
    发明授权
    Ethylene-based resins for closure applications 有权

    公开(公告)号：US11208546B2

    公开(公告)日：2021-12-28

    申请号：US15328312

    申请日：2015-08-25

    申请人： Dow Global Technologies LLC

    发明人： Mridula Kapur ,  Stephanie M. Whited ,  Mark T. Jablonka

    IPC分类号： C08L23/08 ,  C08L23/04 ,  B65D53/00 ,  C08L23/06

    摘要： An ethylene-based resin comprising a high molecular weight component and a low molecular weight component, wherein the high molecular weight component comprises an ethylene/alpha-olefin copolymer or ethylene homopolymer, and has a density ranging from 0.940 g/cc to 0.960 g/cc, and a high load melt index (I21.6) ranging from 4 g/10 min to 15 g/10 min, and wherein the ethylene-based resin has: an overall density ranging from greater than 0.955 to less than or equal to 0.970 g/cc, an overall melt index (I2.16) ranging from 0.5 g/10 min to 7 g/10 min, and less than 0.2 vinyls per 1000 carbon atoms.

    PROCESS TO FORM A TILE USING LOW TEMPERATURE HEAT LAMINATION
    8.
    发明申请
    PROCESS TO FORM A TILE USING LOW TEMPERATURE HEAT LAMINATION 有权

    公开(公告)号：US20210129513A1

    公开(公告)日：2021-05-06

    申请号：US16639465

    申请日：2018-08-16

    申请人： Dow Global Technologies LLC

    发明人： Yushan Hu ,  Ronald J. Weeks ,  Mark T. Jablonka ,  Lizhi Liu

    IPC分类号： B32B37/06 ,  C08L23/08 ,  B32B7/12 ,  B32B27/08 ,  B32B27/18 ,  B32B27/32 ,  B32B5/02 ,  B32B27/12

    摘要： A method to produce a tile comprising at least the following layered sections: a wear layered section, a décor layered section and a base layered section; and wherein the wear layered section comprises the following: A) a compositional layer A formed from a composition A comprising at least one olefm-based polymer; wherein the décor layered section comprises the following: B1) a compositional layer B1 formed from a composition B1 comprising a propylene-based polymer; B2) a compositional layer B2 formed rl from a composition B2 comprising an olefm-based polymer; wherein the base layered section comprises the following: C) a compositional layer C formed from a composition C comprising an olefin-based polymer; wherein the method comprises the following step(s): i) heat laminating compositional layer A to compositional layer B1, at a temperature T1≤140° C.; and wherein, for a continuous production of the tile, T1 is the temperature at the surface of the compositional layer with the highest, or equivalent, surface temperature; and for a batch production of the tile, T1 is the interfacial temperature between the two compositional layers; ii) heat laminating compositional layer B2 to compositional layer C, at a interfacial temperature T2≤140° C.; and wherein, for a continuous production of the tile, T2 is the temperature at the surface of the compositional layer with the highest, or equivalent, surface temperature; and for a batch production of the tile, T2 is the interfacial temperature between the two compositional layers.