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    • 3. 发明授权
    • Pressure-sensitive adhesive based on acrylate block copolymers
    • 基于丙烯酸酯嵌段共聚物的压敏粘合剂
    • US07432326B2
    • 2008-10-07
    • US10992860
    • 2004-11-19
    • Marc HusemannThilo DollaseBernd Lühmann
    • Marc HusemannThilo DollaseBernd Lühmann
    • C08L53/00
    • A61B6/00A61B6/4233C08L2205/02C08L2666/24C09J153/00H04N5/2254H04N5/321
    • The invention provides an acrylate-based pressure-sensitive adhesive comprising a polymer blend having (a) at least a first component Kc which comprises a first acrylate block copolymer having at least two chemically distinguishable, covalently interlinked acrylate polymer blocks P, the at least two polymer blocks P independently of one another each being a homopolymer block of a first monomer or a copolymer block of a second monomer and a comonomer, and the first monomer of the homopolymer block and the second monomer of the copolymer block can be identical or different from one another, and the at least two polymer blocks P being present under application conditions in microphase-separated regions and each having a softening temperature of between −125 and +20° C., and (b) at least one second component LD, which is a second acrylate block copolymer, distinguishable from component Kc, having at least two chemically distinguishable, covalently interlinked acrylate polymer blocks P, with the features specified under (a), or is an acrylate polymer PS, which is a homopolymer of a first monomer or a copolymer of a second monomer and a comonomer, the acrylate polymer PS and the acrylate polymer blocks P having softening temperatures of between −125 and +20° C.
    • 本发明提供了一种丙烯酸酯基压敏粘合剂,其包含聚合物共混物,其具有(a)至少第一组分K c C,其包含具有至少两个化学上可区分的,共价连接的丙烯酸酯的第一丙烯酸酯嵌段共聚物 聚合物嵌段P,所述至少两个聚合物嵌段P彼此独立地各自为第一单体的均聚物嵌段或第二单体和共聚单体的共聚物嵌段,并且均聚物嵌段的第一单体和 共聚物嵌段可以相同或不同,并且所述至少两个聚合物嵌段P在微相分离区域中存在于施加条件下,并且各自具有-125℃和+ 20℃之间的软化温度,和(b) 至少一个第二组分L D D,其是与组分K区别的第二丙烯酸酯嵌段共聚物,其具有至少两个化学上可区分的共价杂交 具有(a)中规定的特征的丙烯酸酯聚合物嵌段P或作为第一单体的均聚物或第二单体和共聚单体的共聚物的丙烯酸酯聚合物P S S, 丙烯酸酯聚合物P S S和丙烯酸酯聚合物嵌段P的软化温度在-125℃和+ 20℃之间。
    • 8. 发明申请
    • PRESSURE-SENSTIVE ADHESIVES AND PROCESS FOR PREPARING THEM
    • 压敏粘合剂及其制备方法
    • US20110039970A1
    • 2011-02-17
    • US12898163
    • 2010-10-05
    • Thilo DOLLASEAranzazu Escudero VallejoBernd Lühmann
    • Thilo DOLLASEAranzazu Escudero VallejoBernd Lühmann
    • C08J3/28C09J109/00C09J123/08C09J123/14C09J183/04C09J129/10C09J131/04C09J127/04
    • C08J3/242B82Y30/00C01P2004/10C01P2004/32C01P2004/62C01P2004/64C08K3/18C08K9/04C09C1/3063C09C1/3081C09C3/08C09C3/12C09J7/38C09J11/04C09J2205/102Y10T428/2852
    • The invention relates to a process for preparing a pressure-sensitive adhesive based on at least one polymer, in the course of which said at least one polymer is crosslinked, the polymer having functional groups Y and having been admixed, further, with at least one kind of functionalized particles which have at least one nonpolymeric base unit, wherein the particles having a surface modification of the base unit, the surface modification of the particles having at least one kind of functional groups X, and the crosslinking of the polymer being brought about at least in part by a reaction of the functional groups X of the particles and the functional groups Y of the polymer, and further to pressure-sensitive adhesives based on at least one crosslinked polymer component, the crosslinking of the polymer component being brought about at least in part by incorporation of the functionalized particles, the particles having at least one nonpolymeric base unit and also a surface modification of this base unit, and the surface modification of the particles having at least one kind of functional groups X which are capable of reacting with functional groups Y present in the polymer component, and also to the use of surface-modified functionalized particles having a nonpolymeric base unit as crosslinking reagents for crosslinking polymers for preparing pressure-sensitive adhesives.
    • 本发明涉及一种制备基于至少一种聚合物的压敏粘合剂的方法,其中所述至少一种聚合物交联,所述聚合物具有官能团Y,并且还与至少一种聚合物混合 具有至少一种非聚合基单元的官能化颗粒的种类,其中具有基体单元的表面改性的颗粒,具有至少一种官能团X的颗粒的表面改性以及聚合物的交联 至少部分地通过颗粒的官能团X和聚合物的官能团Y的反应,并且进一步地基于至少一种交联的聚合物组分的压敏粘合剂,聚合物组分的交联达到 至少部分地通过引入官能化颗粒,所述颗粒具有至少一种非聚合物基体单元以及表面改性 该基体单元和具有至少一种能与聚合物组分中存在的官能团Y反应的官能团X的颗粒的表面改性,以及使用具有非聚合基团的表面改性官能化颗粒 单元作为用于制备压敏粘合剂的交联聚合物的交联剂。