Sound damping adhesive
    12.
    发明申请
    Sound damping adhesive 审中-公开
    声阻尼胶

    公开(公告)号:US20050196608A1

    公开(公告)日:2005-09-08

    申请号:US11101758

    申请日:2005-04-08

    Abstract: Acrylic based adhesives and constructions are described and claimed. The adhesives comprise on a copolymerized basis, (A) from about 50 to about 90% by weight of at least one alkyl acrylate, alkyl methacrylate, and mixtures thereof, wherein the alkyl group contains at least four carbon atoms, (B) from about 10% to about 30% by weight of at least one ethylenically unsaturated carboxylic acid or anhydride monomer, and (C) from about 0 to about 40% by weight of a monoethylenically unsaturated comonomer selected from styrene and substituted styrenes; alkyl acrylates and alkyl methacrylates containing less than 4 carbon atoms in the alkyl group; vinyl acetate; N-vinyl lactams; acrylonitrile; glycidyl containing monomers; hydroxyalkyl, alkoxyalkyl and phenoxyalkyl acrylates and methacrylates wherein the hydroxyalkyl, alkoxyalkyl and phenoxyalkyl groups contain from 2 to about 12 carbon atoms in the alkyl groups and from 1 to about 6 carbon atoms in the alkoxy groups; cyclic and heterocylic acrylates and methacrylates; and mixtures of two or more thereof. The acrylic based adhesives of the invention exhibit desirable sound/vibration damping properties.

    Abstract translation: 描述和要求保护丙烯酸类粘合剂和结构。 粘合剂在共聚基础上包含(A)约50至约90重量%的至少一种丙烯酸烷基酯,甲基丙烯酸烷基酯及其混合物,其中烷基含有至少四个碳原子,(B)约为 10重量%至约30重量%的至少一种烯属不饱和羧酸或酸酐单体,和(C)约0至约40重量%的选自苯乙烯和取代苯乙烯的单烯属不饱和共聚单体; 在烷基中含有少于4个碳原子的丙烯酸烷基酯和甲基丙烯酸烷基酯; 乙酸乙烯酯; N-乙烯基内酰胺 丙烯腈 含缩水甘油基的单体; 羟基烷基,烷氧基烷基和苯氧基烷基丙烯酸酯和甲基丙烯酸酯,其中羟烷基,烷氧基烷基和苯氧基烷基在烷基中含有2至约12个碳原子和在烷氧基中含有1至约6个碳原子; 环状和杂环丙烯酸酯和甲基丙烯酸酯; 及其两种或更多种的混合物。 本发明的丙烯酸类粘合剂表现出所需的声/振动阻尼特性。

    Repulpable, pressure-sensitive adhesive compositions
    13.
    发明授权
    Repulpable, pressure-sensitive adhesive compositions 失效
    可压缩的压敏粘合剂组合物

    公开(公告)号:US6136903A

    公开(公告)日:2000-10-24

    申请号:US947930

    申请日:1997-10-09

    Abstract: Repulpable PSA compositions and constructions that exhibit high adhesive performance on a wide range of substrates are provided. In one embodiment, a PSA composition comprises a blend of two emulsion acrylic copolymers. The first type is a repulpable, emulsion acrylic copolymer that passes TAPPI UM 213. Preferably, the copolymer is prepared by sequential polymerization. The second type of copolymer is a non-repulpable, gpp or removable, repositionable, emulsion acrylic copolymer, also preferably prepared by sequential polymerization. The PSA compositions are inherently tacky and can be used in labels and tapes. In addition, they can be added to other PSAs as external tackifiers.

    Abstract translation: 提供了在宽范围的基底上表现出高粘合性能的可重复粘合剂组合物和结构。 在一个实施方案中,PSA组合物包含两种乳液丙烯酸共聚物的共混物。 第一种类型是通过TAPPI UM 213的可重新涂布的乳液丙烯酸共聚物。优选地,通过顺序聚合制备共聚物。 第二种类型的共聚物是不可重复使用的,gpp或可拆卸的,可重新定位的乳液丙烯酸共聚物,也优选通过顺序聚合制备。 PSA组合物固有地发粘,可用于标签和胶带。 此外,它们可以作为外部增粘剂添加到其他PSA中。

Patent Agency Ranking