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    METHODS OF MAKING PRESSURE SENSITIVE ADHESIVE COMPOSITIONS
    1.
    发明申请
    METHODS OF MAKING PRESSURE SENSITIVE ADHESIVE COMPOSITIONS 审中-公开

    公开(公告)号：US20180086867A1

    公开(公告)日：2018-03-29

    申请号：US15563385

    申请日：2016-03-02

    申请人： Rohm and Haas Company

    发明人： Melinda L. Einsla ,  Steven R. Patrick ,  William B. Griffith, JR. ,  Paul Nedwick

    IPC分类号： C08F220/18 ,  C09J7/02 ,  C09J133/08

    摘要： Disclosed is a method comprising: a) dispersing a first monomer mixture comprising least one least monomer, the first monomer mixture having a total glass transition temperature (Tg) in the range of from −10° C. to −65° C. with a surfactant and an initiator in an aqueous medium; b) when the first monomer mixture is completely dispersed, adding a second monomer mixture comprising at least one monomer, the second monomer mixture having a Tg at least 20° C. greater than the Tg of the first monomer mixture, to the aqueous medium; c) when the second monomer mixture is completely dispersed, adding a third monomer mixture comprising at least one monomer, the third monomer mixture having a Tg in the range of from −25° C. to 50° C.; and d) forming a polymer with the first, second, and third monomer mixtures. Also disclosed is a pressure sensitive adhesive comprising the polymer formed by this method.

    DISPERSIBLE NONWOVEN
    3.
    发明申请
    DISPERSIBLE NONWOVEN 有权
    不寻常的非诺

    公开(公告)号：US20150044375A1

    公开(公告)日：2015-02-12

    申请号：US14386352

    申请日：2013-04-03

    申请人： ROHM AND HAAS COMPANY

    发明人： Paul Nedwick ,  Maureen B. Nunn ,  Katherine Sue Rice

    IPC分类号： D04H1/587 ,  B05D3/02 ,  B05D7/00 ,  B05D1/18

    CPC分类号： D04H1/587 ,  A47L13/16 ,  B05D1/18 ,  B05D3/0254 ,  B05D3/107 ,  B05D7/51 ,  C08F20/06 ,  C08F220/12 ,  D04H1/64 ,  D06M13/368 ,  D06M15/263 ,  D21H17/35 ,  D21H17/37 ,  D21H17/43 ,  D21H25/06 ,  Y10T442/20

    摘要： A method for forming a dispersible nonwoven substrate in an aqueous medium including: a) forming an aqueous nonwoven binder including a selected emulsion polymer wherein the polymer has been modified with a compound comprising a tri-substituted N-atom, the compound having a pKb of from 4 to 7; b) contacting a nonwoven substrate with the aqueous nonwoven binder; c) heating the contacted nonwoven to a temperature of from 120° C. to 220° C.; and d) immersing the contacted heated nonwoven in an aqueous medium having a final pH

    摘要翻译： 一种在水性介质中形成可分散非织造基材的方法，包括：a）形成含有选择的乳液聚合物的水性非织造粘合剂，其中所述聚合物已经用包含三取代的N-原子的化合物进行了改性，所述化合物的pKb为 从4到7; b）使非织造基材与水性非织造粘合剂接触; c）将接触的非织造材料加热至120℃至220℃的温度; 和d）将接触的加热非织造织物浸入最终pH <5的水性介质中。 还提供了通过前述方法形成的水性介质中的可分散非织造基材和在水性介质中提供分散的非织造布的方法。