POLYURETHANE FOAM AND METHOD FOR PRODUCING SAME
    2.
    发明申请
    POLYURETHANE FOAM AND METHOD FOR PRODUCING SAME 有权
    聚氨酯泡沫及其生产方法

    公开(公告)号:US20140066534A1

    公开(公告)日:2014-03-06

    申请号:US14113594

    申请日:2012-04-24

    IPC分类号: C08J9/12

    摘要: The invention relates to a method for producing a polyurethane foam, wherein a mixture having the following is discharged from a mixing head through a discharge line: A) a component reactive toward isocyanates; B) a surfactant component; C) a blowing agent component selected from the group comprising linear, branched, or cyclic C1 to C6 hydrocarbons, linear, branched, or cyclic C1 to C6 fluorocarbons, N2, O2, argon, and/or CO2, wherein the blowing agent C) is present in the supercritical or near-critical state; and D) a polyisocyanate component. The component A) has a hydroxyl value=100 mg KOH/g and =1000 mg KOH/g. The blowing agent component C) is present at least partially in the form of an emulsion, and means provided with an opening or several openings are arranged in the discharge line in order to increase the flow resistance during the discharge of the mixture comprising A), B), C), and D), wherein the cross-sectional area of the opening or the sum of the cross-sectional areas of all openings is =0.1% and =99.9% of the inner cross-sectional area of the discharge line.

    摘要翻译: 本发明涉及一种聚氨酯泡沫塑料的制造方法,其特征在于,具有以下的混合物通过排出管线从混合头排出:A)对异氰酸酯反应的成分; B)表面活性剂组分; C)选自直链,支链或环状C 1至C 6烃,直链,支链或环状C 1至C 6碳氟化合物,N 2,O 2,氩和/或CO 2的发泡剂组分,其中所述发泡剂C) 存在于超临界或近临界状态; 和D)多异氰酸酯组分。 组分A)的羟基值= 100mg KOH / g,= 1000mg KOH / g。 发泡剂组分C)至少部分地以乳液的形式存在,并且在排出管线中设置有开口或多个开口的装置,以便在包含A)的混合物的排出期间增加流动阻力, B),C)和D),其中所述开口的横截面面积或所有开口的横截面积之和为排出管线的内截面积的0.1%和99.9% 。

    REACTION MIXTURE IN THE FORM OF AN EMULSION AND PROCESS FOR PRODUCTION OF POLYURETHANE FOAMS FROM SUCH A REACTION MIXTURE
    4.
    发明申请
    REACTION MIXTURE IN THE FORM OF AN EMULSION AND PROCESS FOR PRODUCTION OF POLYURETHANE FOAMS FROM SUCH A REACTION MIXTURE 审中-公开
    乳液形成中的反应混合物和从反应混合物制备聚氨酯泡沫体的方法

    公开(公告)号:US20140011897A1

    公开(公告)日:2014-01-09

    申请号:US13883013

    申请日:2011-11-03

    IPC分类号: C08G18/06 C08G18/08

    摘要: The present invention relates to a reaction mixture in emulsion form, suitable for conversion into polyurethanes, comprising a first phase and a second phase in the emulsion and further comprising the following components: A) polyols; B) blowing agent; C) surfactants; and D) isocyanates, wherein the isocyanate-reactive compounds A) are present in the first phase of the emulsion and the blowing agent B) is present in the second phase. The blowing agent B) is present in the near-critical or supercritical state and the isocyanate D) is present in the second phase in a proportion of ≧10% by weight of the total amount of isocyanate D) in the composition. The invention further relates to a method of producing polyurethane foams by providing such a reaction mixture, wherein a polymerization takes place at the freshly formed interface between the polyol phase and the blowing agent phase, to the use of such a reaction mixture for producing polyurethane foams and also to the polyurethane foams obtained.

    摘要翻译: 本发明涉及一种适用于转化成聚氨酯的乳液形式的反应混合物,其包含乳液中的第一相和第二相,并且还包含以下组分:A)多元醇; B)发泡剂; C)表面活性剂; 和D)异氰酸酯,其中异氰酸酯反应性化合物A)存在于乳液的第一相中,并且发泡剂B)存在于第二相中。 发泡剂B)以近临界或超临界状态存在,异氰酸酯D)以组分中异氰酸酯D)总重量的> = 10重量%的比例存在于第二相中。 本发明还涉及通过提供这样的反应混合物来生产聚氨酯泡沫的方法,其中聚合在多元醇相和发泡剂相之间新形成的界面处发生,以使用这种反应混合物来制备聚氨酯泡沫 以及所获得的聚氨酯泡沫。