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    POLYURETHANE FOAM FROM HIGH FUNCTIONALITY POLYISOCYANATE
    13.
    发明申请
    POLYURETHANE FOAM FROM HIGH FUNCTIONALITY POLYISOCYANATE 审中-公开

    公开(公告)号：US20180244833A1

    公开(公告)日：2018-08-30

    申请号：US15758565

    申请日：2016-10-19

    申请人： Dow Global Technologies LLC

    发明人： Kshitish A. Patankar ,  Mark F. Sonnenschein ,  Steven P. Crain ,  Christina A. Rhoton

    IPC分类号： C08G18/76 ,  C08G18/42 ,  C08G18/48

    摘要： A formulation system contains: (a) a pre-polymer reaction product of a polymeric isocyanate and a polyether polyol, where: (i) the polymeric isocyanate contains five weight-percent or more methylene diphenyl diisocyanate; (ii) the polymeric isocyanate has a functionality of 3.0 or less; (iii) the polyether polyol is present in the pre-polymer at a concentration of one to 25 weight-percent; (iv) the polyol has an equivalent weight of 50 to 500 grams per equivalent; (v) the —NCO concentration of the pre-polymer is 15 to 31 weight-percent; (vi) the pre-polymer is free of isocyanate trimers; (b) a polyester polyol component containing 10 to 25 weight-percent of free glycol; and (c) a blowing agent that contains less than five weight-percent water; where the ratio of pre-polymer and polyester result in foam having a trimer content of 12 to 22 weight-percent, and an —NCO index of more than 300 and less than 700.

    Storage Stable Polyol Composition for Polyurethane Elastomers
    15.
    发明申请
    Storage Stable Polyol Composition for Polyurethane Elastomers 审中-公开
    聚氨酯弹性体的储存稳定多元醇组合物

    公开(公告)号：US20160264712A1

    公开(公告)日：2016-09-15

    申请号：US15029082

    申请日：2014-11-25

    申请人： DOW GLOBAL TECHNOLOGIES LLC

    发明人： Sven Claessens ,  Justin M. Virgili ,  Antoon De Smet ,  Yme Braaksma ,  Mark F. Sonnenschein ,  Benjamin L. Wendt

    IPC分类号： C08G18/48 ,  C08G18/79 ,  C08G18/76 ,  C08G18/12

    CPC分类号： C08G18/4808 ,  C08G18/10 ,  C08G18/12 ,  C08G18/2063 ,  C08G18/4837 ,  C08G18/485 ,  C08G18/4854 ,  C08G18/7657 ,  C08G18/797 ,  C08G18/3206

    摘要： A polyurethane reaction system includes an isocyanate component having at least one polyisocyanate and an isocyanate-reactive component having a storage stable polyol component that is a single phase liquid mixture at 23° C. including a first polyether polyol and a second polyether polyol. The first polyether polyol is included in an amount from 20 wt % to 90 wt %, based on total weight of the polyol component, is a glycol based polyoxypropylene-polyoxyethylene polyether polyol having number average molecular weight from 1500 g/mol to 1975 g/mol, and has a polyoxyethylene content from 26 wt % and 34 wt % based on a total weight of the first polyether polyol. The second polyether polyol is included in an amount from 10 wt % to 80 wt %, based on total weight of the polyol component, has a number average molecular weight from 750 g/mol to 4000 g/mol, and has a melting point higher than 23° C.

    摘要翻译： 聚氨酯反应体系包括具有至少一种多异氰酸酯和异氰酸酯反应性组分的异氰酸酯组分，所述异氰酸酯组分具有储存稳定的多元醇组分，该组分为23℃的单相液体混合物，包括第一聚醚多元醇和第二聚醚多元醇。 基于多元醇组分的总重量，第一聚醚多元醇的含量为20重量％至90重量％，是数均分子量为1500g / mol至1975g / mol的二醇基聚氧丙烯 - 聚氧乙烯聚醚多元醇， 并且基于第一聚醚多元醇的总重量具有26重量％和34重量％的聚氧乙烯含量。 基于多元醇成分的总重量，第二聚醚多元醇的含量为10重量％〜80重量％，数均分子量为750g / mol〜4000g / mol，熔点越高 比23℃

    Non-Isocyanate Rigid Polymer Foams by Carbon-Michael Addition and Foaming Process
    17.
    发明申请
    Non-Isocyanate Rigid Polymer Foams by Carbon-Michael Addition and Foaming Process 有权
    通过碳 - 迈克尔加成和发泡过程的非异氰酸酯刚性聚合物泡沫

    公开(公告)号：US20140343182A1

    公开(公告)日：2014-11-20

    申请号：US14358825

    申请日：2012-12-20

    申请人： DOW GLOBAL TECHNOLOGIES, LLC

    发明人： Xin Jin ,  Steven P. Crain ,  Deborah A. Schutter ,  Kshitish A. Patankar ,  Mark F. Sonnenschein

    IPC分类号： C08J9/14

    CPC分类号： C08J9/146 ,  C08F2222/1026 ,  C08G61/12 ,  C08G2261/135 ,  C08G2261/334 ,  C08G2261/42 ,  C08G2261/76 ,  C08J9/14 ,  C08J2201/022 ,  C08J2201/026 ,  C08J2205/10 ,  C08J2333/14 ,  C08J2365/00 ,  C08J2367/00

    摘要： Polymer foam is made from a two-component foam system. The foam system includes an A-side component which contains a multifunctional Michael acceptor and a blowing agent that has a boiling temperature in the range −40° C. to +100° C. The system also includes a B-side component that contains a multifunctional carbon-Michael donor, a surfactant and a blowing agent that has a boiling temperature in the range −40° C. to +100° C. The viscosities of each of the components are 2,500 cPs or lower. Foam is made by separately pressurizing the components, then separately depressurizing them so they each at least partially expand. The partially expanded materials are then combined in the presence of a carbon-Michael reaction catalyst to form a reaction mixture which is cured to form the polymer foam.

    摘要翻译： 聚合物泡沫由双组分泡沫体系制成。 该泡沫体系包括含有多官能迈克尔受体和沸点在-40℃至+ 100℃范围内的沸腾温度的发泡剂的A侧组分。该体系还包括B侧组分，其含有 多官能碳 - 迈克尔供体，表面活性剂和沸点为-40℃〜+ 100℃的发泡剂。各组分的粘度为2500cP以下。 泡沫通过单独加压部件制成，然后单独减压，使它们各自至少部分膨胀。 然后将部分膨胀的材料在碳 - 迈克尔反应催化剂存在下合并，形成固化以形成聚合物泡沫的反应混合物。