中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

246 records (took 0.026 seconds)

    Solid uretodione group-containing polyaddition compound and its producing method
    17.
    发明专利
    Solid uretodione group-containing polyaddition compound and its producing method 审中-公开
    含固体聚合物组合的多元醇化合物及其制备方法

    公开(公告)号：JP2005120377A

    公开(公告)日：2005-05-12

    申请号：JP2004300657

    申请日：2004-10-14

    Applicant: Degussa Ag ,  デグサ アクチエンゲゼルシャフト

    Inventor： WENNING ANDREAS DR ,  SPYROU EMMANOUIL

    IPC: C08G18/00 ,  C08G18/08 ,  C08G18/09 ,  C08G18/32 ,  C08G18/79 ,  C08G18/80 ,  C09D5/03 ,  C09D175/04

    CPC classification number: C08G18/3206 ,  C08G18/0895 ,  C08G18/097 ,  C08G18/798 ,  C08G2150/20

    Abstract: PROBLEM TO BE SOLVED: To provide a solid uretodione group-containing polycondensation compound for a polyurethane-powder coating composition curable at a low temperature.
    SOLUTION: The above problem is solved by a solid uretodione group-containing polyaddition compound obtained by reacting (A) at least one of aliphatic, (cyclic) aliphatic and alicyclic polyisocyanate component comprising at least 40 mass% of a uretodione group-containing polyisocyanate compound having an average functionality of at least 2.0, and ≤60 mass% of at least one of a diisocyanate compound and/or a uretodione group-free isocyanurate compound; (B) dodecane diol-1, 12; and at least one of other compounds having at least one hydroxyl group, the polyaddition compound having a melting point of 40-130°C, a free NCO-content of

    Abstract translation: 要解决的问题：提供一种用于在低温下可固化的聚氨酯粉末涂料组合物的固体含脲基二酮基团的缩聚物。 解决方案：通过使（A）至少一种脂族，（环状）脂肪族和脂环族多异氰酸酯成分与至少40质量％的脲基二酮基的多异氰酸酯成分反应而得到的固体含脲二酮基的加聚化合物， 平均官能度为2.0以上的含氟多异氰酸酯化合物和二异氰酸酯化合物和/或不含脲酮二酮的异氰脲酸酯化合物中的至少一种的≤60质量％ （B）十二烷二醇-1,12; 和至少一种具有至少一个羟基的其它化合物，所述加聚化合物的熔点为40-130℃，游离NCO含量<5质量％，脲二酮基团的含量为6-18 质量％。 版权所有（C）2005，JPO＆NCIPI

    Method for producing aliphatic isocyanate
    20.
    发明专利
    Method for producing aliphatic isocyanate 有权

    公开(公告)号：JP2004168778A

    公开(公告)日：2004-06-17

    申请号：JP2003388494

    申请日：2003-11-18

    Applicant: Degussa Ag ,  デグサ アクチエンゲゼルシャフト

    Inventor： KOHLSTRUK STEPHAN ,  KRECZINSKI MANFRED ,  LETTMANN CHRISTIAN ,  STOCHNIOR GUIDO ,  SPYROU EMMANOUIL ,  FINKE NORBERT ,  LOMOELDER RAINER

    IPC: B01J23/46 ,  B01J35/04 ,  C07B61/00 ,  C07C263/04 ,  C07C263/16 ,  C07C265/10 ,  C07C265/14

    CPC classification number: C07C263/04 ,  C07C265/10

    Abstract: PROBLEM TO BE SOLVED: To provide a manufacturing method of obtaining a desired alicyclic isocyanate with a high selectivity. SOLUTION: The method comprises reacting an aromatic isocyanate with hydrogen in the presence of a supported catalyst containing ruthenium alone as the active metal or together with at least one metal of subgroup I, VII and VIII metals in the periodic table in an amount of 0.01-20 mass%, the catalyst carrier having a BET surface area of 30 m 2 /g to less than 70 m 2 /g and not less than 50 % of the pore volume of the catalyst carrier being micropores having a pore diameter of greater than 50 nm and less than 50 % of the pore volume of the catalyst carrier being micropores having a pore diameter of 2-50 nm. According to this method, a desired isocyanate can be obtained with a high selectivity and the ratio of the 4,4'-trans-trans-isomer is low and in this instance, the low 4,4'-trans-trans-isomer ratio can be maintained in spite of a high degree of conversion. The catalyst life is long and, simultaneously, and the isomer distribution hardly changes even after a considerably long-term operation. COPYRIGHT: (C)2004,JPO

Patent Agency Ranking