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    Hydrophilic Polyurethane Foam for Liquid Based Cleaning Applications
    2.
    发明申请
    Hydrophilic Polyurethane Foam for Liquid Based Cleaning Applications 审中-公开
    亲水性聚氨酯泡沫用于液体清洁应用

    公开(公告)号：US20150087737A1

    公开(公告)日：2015-03-26

    申请号：US14489537

    申请日：2014-09-18

    Applicant: Dow Global Technologies LLC

    Inventor： Yasmin N. Srivastava ,  Subodh P. Jagtap ,  Venkat S. Minnikanti ,  Rogelio Gamboa ,  Dwight Latham ,  Rajat Duggal

    IPC: C08G18/08 ,  C08G18/10

    CPC classification number: C08G18/10 ,  C08G18/283 ,  C08G18/4837 ,  C08G18/7671 ,  C08G2101/0058 ,  C08G2101/0066 ,  C08G2101/0083 ,  C08G18/48 ,  C08G18/12

    Abstract: A reaction system for forming a hydrophilic polyurethane foam for liquid based cleaning applications includes a composition that has a prepolymer component and an aqueous component. The prepolymer component is a reaction product of an isocyanate component that includes diphenylemethane diisocyanate (MDI) and a polyol component that includes a polyoxyethylene-polyoxypropylene polyol that has an polyoxyethylene content greater than 65 wt %, based on a total weight of the polyoxyethylene-polyoxypropylene polyol. The aqueous component includes at least 60 wt % of water and at least 0.5 wt % of a surfactant, based on a total weight of the aqueous component. A weight ratio of the prepolymer component to the aqueous component in the composition is from 0.5:2 to 2:0.5, the composition has a cream time of less than 20 seconds and a tack free time of less than 7 minutes, and the hydrophilic polyurethane foam for liquid based cleaning applications has a wet tear strength of at least 500 N/m.

    Abstract translation: 用于形成用于基于液体的清洁应用的亲水性聚氨酯泡沫的反应体系包括具有预聚物组分和水性组分的组合物。 预聚物组分是包括二苯基甲烷二异氰酸酯（MDI）和多元醇组分的异氰酸酯组分的反应产物，其包含聚氧乙烯 - 聚氧丙烯多元醇，其聚氧乙烯含量大于65重量％，基于聚氧乙烯 - 聚氧丙烯 多元醇。 含水组分包含至少60重量％的水和至少0.5重量％的表面活性剂，基于水性组分的总重量。 组合物中预聚物组分与水性组分的重量比为0.5:2至2:0.5，组合物的乳化时间少于20秒，粘着时间小于7分钟，亲水性聚氨酯 用于基于液体的清洁应用的泡沫具有至少500N / m的湿撕裂强度。

    POROUS CARBON COMPOSITIONS
    4.
    发明申请
    POROUS CARBON COMPOSITIONS 审中-公开
    多孔碳组合物

    公开(公告)号：US20150336797A1

    公开(公告)日：2015-11-26

    申请号：US14391718

    申请日：2013-05-17

    Applicant: Dow Global Technologies LLC

    Inventor： Hamed H Lakrout ,  Maurice J. Marks ,  Ludovic Valette ,  Dwight Latham

    IPC: C01B31/02 ,  C08J9/12 ,  F16L59/02

    CPC classification number: F16L59/028 ,  C01B32/00 ,  C01B32/05 ,  C04B35/524 ,  C04B35/6269 ,  C04B35/63452 ,  C04B38/0032 ,  C04B2111/00793 ,  C04B2111/0081 ,  C04B2111/00836 ,  C04B2111/00844 ,  C04B2111/00853 ,  C04B2235/6562 ,  C08J9/122 ,  C08J9/127 ,  C08J9/141 ,  C08J9/143 ,  C08J9/149 ,  C08J9/32 ,  C08J9/36 ,  C08J2203/06 ,  C08J2203/14 ,  C08J2203/142 ,  C08J2203/182 ,  C08J2363/00 ,  C04B35/52 ,  C04B38/02 ,  C04B38/0615 ,  C04B38/08 ,  C04B38/10

    Abstract: A curable liquid carbon precursor formulation for preparing a porous carbon composition including (a) at least one aromatic epoxy resin; (b)(i) at least one aromatic co-reactive curing agent, or (b)(ii) at least one catalytic curing agent, or (b)(iii) a mixture thereof; and (c) at least one porogen; wherein the liquid composition has a neat viscosity of less than 10,000 mPa-s, at 25° C. prior to adding porogen, prior to adding optional components, prior to curing, and prior to carbonizing; and wherein the liquid composition being cured has a carbon yield of at least 35 weight percent disregarding the weight of the porogen and any optional components present in the composition; a process for preparing the porous carbon composition from the above formulation including the steps of curing the formulation, and carbonizing the cured product resulting from curing the formulation such that a porous carbon composition is produced; and a porous carbon composition made by the above process.

    Abstract translation: 一种用于制备多孔碳组合物的可固化液体碳前体制剂，其包含（a）至少一种芳族环氧树脂; （b）（i）至少一种芳族共反应性固化剂，或（b）（ii）至少一种催化固化剂，或（b）（iii）其混合物; 和（c）至少一种致孔剂; 其中在加入致孔剂之前，在加入任选的组分之前，在固化之前和在碳化之前，液体组合物的粘度小于10,000mPa·s，在25℃下。 并且其中固化的液体组合物具有至少35重量％的碳产率，而不考虑致孔剂和组合物中存在的任何任选组分的重量; 从上述制剂制备多孔碳组合物的方法，包括固化该制剂的步骤，以及将固化该制剂得到的固化产物碳化，从而制得多孔碳组合物; 和通过上述方法制备的多孔碳组合物。

    POLYURETHANE DISPERSION BASED COATINGS HAVING ENHANCED REMOVABILITY
    5.
    发明申请
    POLYURETHANE DISPERSION BASED COATINGS HAVING ENHANCED REMOVABILITY 审中-公开
    基于聚氨酯分散体的涂层具有增强的可移除性

    公开(公告)号：US20150247057A1

    公开(公告)日：2015-09-03

    申请号：US14422396

    申请日：2013-09-20

    Applicant: Dow Global Technologies LLC

    Inventor： Dwight Latham ,  Niranjan Malvadkar ,  Christopher J. Tucker ,  Caroline Woelfle-Gupta

    IPC: C09D175/04

    CPC classification number: C09D175/04 ,  C08G18/0823 ,  C08G18/12 ,  C08G18/225 ,  C08G18/3212 ,  C08G18/3228 ,  C08K3/08 ,  C08K3/10

    Abstract: The present invention provides a method for preparing an aqueous polyurethane dispersion comprising a polyurethane polymer, where the method comprises the step of (A) preparing a prepolymer from a reaction mixture comprising: (1) at least one polyisocyanate compound; (2) at least one polyol; and (3) ions of at least one alkali or alkaline earth metal; followed by the step of (B) contacting the prepolymer with a chain extending agent to form the polyurethane polymer. The present invention further provides an aqueous polyurethane dispersion comprising from 30% to 40%, by weight, of solids which comprise the polyurethane polymer and being prepared by the aforesaid method. A coating composition having enhanced removability and which comprises an aqueous polyurethane dispersion prepared according to the aforesaid method is also provided.

    Abstract translation: 本发明提供了一种制备包含聚氨酯聚合物的水性聚氨酯分散体的方法，其中该方法包括以下步骤：（A）由反应混合物制备预聚物，该反应混合物包含：（1）至少一种多异氰酸酯化合物; （2）至少一种多元醇; 和（3）至少一种碱金属或碱土金属的离子; （B）使预聚物与扩链剂接触以形成聚氨酯聚合物的步骤。 本发明还提供一种包含30重量％至40重量％的包含聚氨酯聚合物并通过上述方法制备的固体的水性聚氨酯分散体。 还提供了具有增强的除去性的涂料组合物，其包含根据上述方法制备的水性聚氨酯分散体。

    Method for making an electrical cable joint
    9.
    发明授权
    Method for making an electrical cable joint 有权

    公开(公告)号：US10150834B2

    公开(公告)日：2018-12-11

    申请号：US14915058

    申请日：2014-08-16

    Applicant: DOW GLOBAL TECHNOLOGIES LLC

    Inventor： Nicole Knight ,  Dwight Latham ,  Nathan Wilmot

    IPC: H02G1/14 ,  C08G61/12 ,  H02G15/00 ,  H02G15/08 ,  C09K3/10

    Abstract: A method for making joints in an electrical cable is disclosed. A first cable having polymeric insulation and a first bare conductor end and a second cable having polymeric insulation and a second bare conductor end are provided and joined create a conductor joint. A curable reaction mixture is applied over the conductor joint and cured to form a polymeric insulating sheath over the conductor joint and bonded to the polymeric insulation of each of the first and second cables. The reaction mixture includes a carbon-Michael acceptor compound, a carbon-Michael donor compound and a carbon-Michael reaction catalyst.

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