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    • 42. 发明申请
    • THERMALLY POST-CURABLE PRESSURE-SENSITIVE ADHESIVE
    • 热后固化压敏粘合剂
    • WO2017070045A1
    • 2017-04-27
    • PCT/US2016/057318
    • 2016-10-17
    • 3M INNOVATIVE PROPERTIES COMPANY
    • UNVERHAU, KerstinRICHTER, MareikeMECHERNICH, Silke D.KLINK, Anne-Marie
    • C09J5/06C09J5/08
    • C09J5/06C08J2203/22C09J5/08C09J2433/00
    • The present disclosure relates to a method of applying a pressure-sensitive adhesive to a substrate, which comprises the steps of: a) providing an uncrosslinked curable precursor of a pressure-sensitive adhesive comprising: (1) a (meth)acrylate copolymer component comprising : i. C1-C32 (meth)acrylic acid ester monomer units; ii. ethylenically unsaturated monomer units having functional groups selected from the group consisting of acid, hydroxyl, acid anhydride, epoxide, amine, amide groups, and any combinations thereof; and iii. optionally, further ethylenically unsaturated monomer units which are copolymerizable with monomer units (i) and/or (ii); (2) a thermal crosslinking system; (3) at least one expandable microsphere; (4) optionally, a tackifying system; and (5) optionally, at least one pigment; b) subjecting the curable precursor of a pressure-sensitive adhesive to a first heating step such that the curable precursor of a pressure-sensitive adhesive is partially crosslinked; c) contacting the curable precursor of a pressure-sensitive adhesive obtained in step b) to at least part of the surface of the substrate; d) subjecting the curable precursor of a pressure-sensitive adhesive to a second heating step such that the curable precursor of a pressure-sensitive adhesive is fully crosslinked; and e) optionally, allowing the polymeric foam layer to cool down on the substrate.
    • 本发明涉及一种将压敏粘合剂施加到基材上的方法,其包括以下步骤:a)提供压敏粘合剂的未交联的可固化前体,所述压敏粘合剂包含:(1) (甲基)丙烯酸酯共聚物组分,其包含:i。 C1-C32(甲基)丙烯酸酯单体单元; II。 具有选自酸,羟基,酸酐,环氧化物,胺,酰胺基及其任何组合的官能团的烯属不饱和单体单元; 和iii。 任选地,可与单体单元(i)和/或(ii)共聚的其他烯键式不饱和单体单元; (2)热交联体系; (3)至少一个可膨胀微球体; (4)任选地,增粘系统; 和(5)任选地,至少一种颜料; b)将压敏粘合剂的可固化前体进行第一加热步骤,使得压敏粘合剂的可固化前体部分交联; c)使在步骤b)中获得的压敏粘合剂的可固化前体与基材的至少部分表面接触; d)将压敏粘合剂的可固化前体进行第二加热步骤,使得压敏粘合剂的可固化前体完全交联; 和e)任选地,允许聚合物泡沫层在基材上冷却。
    • 49. 发明申请
    • ACRYLIC FOAM PRESSURE SENSITIVE ADHESIVE AND PRODUCTION METHOD THEREOF
    • 丙烯酸泡沫压敏胶粘剂及其生产方法
    • WO0218511A3
    • 2002-05-30
    • PCT/US0127333
    • 2001-08-31
    • 3M INNOVATIVE PROPERTIES CONAKAMUTA SHOJITSUKIKUCHI HIROSHIABIKO SHINJI
    • NAKAMUTA SHOJITSUKIKUCHI HIROSHIABIKO SHINJI
    • C09J7/02C08J9/12C08L33/00C09J5/08C09J133/00C08J9/30
    • C08J9/122C08J2203/06C08J2207/02C08J2333/02C08J2333/06C08L33/00C09J5/08C09J2433/00
    • An acrylic foam pressure sensitive adhesive, having a low density and having cells finely and uniformly dispersed therein, and its production method. An acrylic foam pressure sensitive adhesive having a cell average diameter of no more than 300 &mgr;m and its standard deviation of no more than 115 &mgr;m. A production method of an acrylic foam pressure sensitive adhesive comprising: introducing an acrylic foam precursor composition and a cell forming gas into an agitation and mixing apparatus equipped with a casing provided with a flow path through which a fluid flows, and agitation blades disposed within said casing capable of vibrating in the axial direction of said casing, forming cells within the acrylic foam precursor composition by agitating and mixing the acrylic foam precursor composition and the cell forming gas in the agitation and mixing apparatus, coating the acrylic foam precursor composition containing the cells onto a substrate, and curing the coated acrylic foam precursor composition.
    • 本发明提供一种丙烯酸泡沫压敏粘合剂及其制造方法,该粘合剂具有低密度且细胞均匀地分散在其中的细胞。 电池平均直径不超过300微米,标准偏差不超过11​​5微米的丙烯酸泡沫压敏粘合剂。 1.一种丙烯酸泡沫压敏粘合剂的制造方法,包括:将丙烯酸泡沫前体组合物和泡孔形成气体引入搅拌混合设备中,所述搅拌混合设备配备有设置有流体流动的流动路径的壳体和设置在所述流动路径内的搅拌叶片 通过在搅拌混合装置中搅拌并混合丙烯酸泡沫体前体组合物和细胞形成气体,在丙烯酸泡沫体前体组合物内形成细胞,将包含细胞的丙烯酸泡沫体前体组合物 到基底上,并固化涂布的丙烯酸泡沫前体组合物。