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    • 2. 发明申请
    • MULTILAYER PRESSURE-SENSITIVE ADHESIVE FILM
    • 多层压敏粘胶膜
    • US20140154492A1
    • 2014-06-05
    • US14234284
    • 2012-07-25
    • Steffen TraserJan D. Forster
    • Steffen TraserJan D. Forster
    • C09J7/02
    • C09J7/38C09J7/10C09J7/26C09J2201/134C09J2201/36C09J2201/606C09J2205/11C09J2433/00C09J2467/005Y10T156/10Y10T428/249983Y10T428/2848
    • The present invention relates to a multilayer pressure sensitive adhesive (PSA) film having adhesive properties at its first and second main surface, wherein the film comprises at least two superimposed layers of a polymeric pressure sensitive adhesive foam material and optionally one or more intermediate layers of a polymeric foam material, wherein the PSA film is obtainable by a continuous self-metered process comprising the steps of (a) providing a substrate, (b) providing two or more coating knives which are offset, independently from each other, from said substrate to form a gap normal to the surface of the substrate, (c) moving the substrate relative to the coating knives in a downstream direction, (d) providing curable liquid precursors of the polymeric pressure sensitive adhesive foam materials and optionally of the polymeric foam material to the upstream side of the coating knives thereby coating the two or more precursors through the respective gaps as superimposed layers onto the substrate, (e) optionally providing one or more protective liners and applying these along the upstream side of the coating knives, and (f) curing the precursor of the multilayer film thus obtained, wherein a lower layer of the curable liquid precursor is covered by an adjacent upper layer of the curable liquid precursor, essentially without exposing said lower layer of a curable liquid precursor.
    • 本发明涉及一种在其第一和第二主表面具有粘合性能的多层压敏粘合剂(PSA)膜,其中该膜包括至少两层叠层的聚合物压敏粘合剂泡沫材料和任选的一个或多个中间层 聚合物泡沫材料,其中所述PSA膜可通过连续的自我计量方法获得,所述方法包括以下步骤:(a)提供基材,(b)提供两个或更多个相互独立地偏离所述基材的涂层刀 以形成与衬底表面垂直的间隙,(c)沿下游方向相对于涂覆刀移动衬底,(d)提供聚合物压敏粘合剂泡沫材料的可固化液体前体和任选的聚合物泡沫材料 从而通过相应的间隙涂覆两个或更多个前体作为重叠层 (e)可选地提供一个或多个保护衬垫并沿着涂层刀的上游侧施加它们,和(f)固化由此获得的多层膜的前体,其中可固化液体前体的下层为 被可固化液体前体的相邻上层覆盖,基本上不暴露所述下层的可固化液体前体。
    • 6. 发明申请
    • MULTILAYER FILM HAVING AT LEAST ONE THIN LAYER AND CONTINUOUS PROCESS FOR FORMING SUCH A FILM
    • 具有至少一层薄膜的多层薄膜和形成这种薄膜的连续工艺
    • US20140154485A1
    • 2014-06-05
    • US14234272
    • 2012-07-25
    • Steffen TraserJan D. ForsterBernd Kuehneweg
    • Steffen TraserJan D. ForsterBernd Kuehneweg
    • C09J7/02B05D7/00B32B7/12
    • C09J7/38B05C5/0245B05D1/26B05D1/36B05D1/42B05D3/0254B05D3/067B05D7/52B05D7/5423B05D7/56B05D7/5823B05D2252/02B32B7/12Y10T428/24959Y10T428/269Y10T428/31504
    • The invention relates to a continuous self-metered process of forming a multilayer film comprising at least two superimposed polymer layers comprising the steps of: (i) providing a substrate (5); (ii) providing two or more coating knives (2, 3, 4) which are offset, independently from each other, from said substrate (5) and/or from an adjacent coating knife to form at least one substrate gap (9) relative to the surface of the substrate (5) and at least one outlet gap (10) relative to the surface of an adjacent coating knife; (iii) moving the substrate (5) relative to the coating knives (2, 3, 4) in a downstream direction (6), (iv) providing curable liquid precursors of the polymers (I, II, III) to the upstream side of the coating knives (2, 3, 4) thereby coating the two or more precursors (I, II, III) through the respective gaps (9, 10) as superimposed layers (12, 13, 14) onto the substrate (5); (v) optionally providing one or more solid films (1 1) and applying these essentially simultaneously with the formation of the adjacent lower polymer layer, and (vi) curing the precursor of the multilayer film thus obtained; wherein a lower layer of a curable liquid precursor (I, II, III) is covered by an adjacent upper layer of a curable liquid precursor (I, II, III) or a film (1 1), respectively, essentially without exposing said lower layer of a curable liquid precursor (I, II, III).
    • 本发明涉及形成包含至少两个重叠聚合物层的多层膜的连续自计算方法,包括以下步骤:(i)提供基材(5); (ii)提供两个或更多个从所述基板(5)和/或相邻的涂层刀片彼此独立地偏移的涂层刀(2,3,4),以形成至少一个衬底间隙(9)相对的 (5)的表面和相对于相邻涂层刀的表面的至少一个出口间隙(10); (iii)在下游方向(6)相对于所述涂覆刀(2,3,4)移动所述基底(5),(iv)向所述上游侧提供所述聚合物(I,II,III)的可固化液体前体 的涂层刀(2,3,4),从而通过作为叠加层(12,13,14)的相应间隙(9,10)将两个或更多个前体(I,II,III)涂覆到基底(5)上, ; (v)任选地提供一种或多种固体膜(11)并且基本上同时施加它们以形成相邻的下聚合物层,和(vi)固化由此获得的多层膜的前体; 其中可固化液体前体(I,II,III)的下层分别被可固化液体前体(I,II,III)或膜(11)的相邻上层覆盖,基本上不暴露所述下部 可固化液体前体(I,II,III)的层。