VERFAHREN ZUR ISOCYANATMODIFIZIERUNG UNTER VERWENDUNG VON KATALYSATOREN MIT N-P-N-SEQUENZ

    公开(公告)号:EP3107922A1

    公开(公告)日:2016-12-28

    申请号:EP15705580.7

    申请日:2015-02-13

    发明人: RICHTER, Frank

    摘要: The invention relates to a method for modifying isocyanates, wherein at least one organic monomer isocyanate having an NCO functionality >1 is oligomerised in the presence of at least one catalyst, said method being characterised in that the catalyst comprises at least one specific compound having an NPN sequence selected from compounds of formula I (formula I), and/or from compounds of formula II (formula II) where HX represents an acid with a pKa value ≥ 2, X
    – represents the anion of an acid with a pKa value ≥ 2, and n represents an integer or fractional number between 0 and 20, wherein Y represents R
    12 (R
    13 )N- and/or one or more substituents of the structure of formula III (formula III) and wherein R
    1 to R
    19 independently represent identical or different substituents selected from C
    1 -C
    20 alkyl-, C
    1 -C
    20 cycloalkyl- and C
    6 -C
    20 aryl groups, or wherein R
    1 and R
    2 , R
    3 and R
    4 , R
    5 and R
    6 , R
    7 and R
    8 , R
    9 and R
    10 , R
    12 and R
    13 , R
    14 and R
    15 , R
    16 and R
    17 , R
    18 and R
    19 independently represent identical or different substituents selected from C
    1 -C
    20 alkylene-, C
    1 -C
    20 cycloalkylene-, C
    6 -C
    20 arylene groups, and can form a 3- to 12-membered ring with the N atom joined to the P atom. The invention also relates to the use of a catalyst of this type.

    摘要翻译: 本发明涉及一种改性异氰酸酯的方法,其中至少一种具有NCO官能度> 1的有机单体异氰酸酯在至少一种催化剂的存在下被低聚,所述方法的特征在于该催化剂包含至少一种具有 选自式I(式I)的化合物的NPN序列和/或其中HX表示pKa值≥2的酸的式II(式II)的化合物,X-表示pKa值为≧的酸的阴离子 2,n表示0至20之间的整数或分数,其中Y表示R 12(R 13)N和/或一个或多个式III结构的取代基(式III),并且其中R 1至R 19独立地表示相同或 选自C 1 -C 20烷基 - ,C 1 -C 20环烷基 - 和C 6 -C 20芳基的不同取代基,或其中R 1和R 2,R 3和R 4,R 5和R 6,R 7和R 8,R 9和R 10,R 12和R 13,R 14和 R15,R16和R17,R18和R19独立地表示 选自C 1 -C 20亚烷基 - ,C 1 -C 20亚环烷基 - ,C 6 -C 20亚芳基的相同或不同取代基,并且可以与连接到P原子的N原子形成3至12元环。 本发明还涉及这种催化剂的用途。

    Verfahren zur Herstellung von Iminooxadiazindiongruppen aufweisenden Polyisocyanaten
    3.
    发明公开
    Verfahren zur Herstellung von Iminooxadiazindiongruppen aufweisenden Polyisocyanaten 有权
    维生素Zur Herstellung von Iminooxadiazindiongruppen aufweisenden Polyisocyanaten

    公开(公告)号:EP1645577A1

    公开(公告)日:2006-04-12

    申请号:EP05020857.8

    申请日:2005-09-24

    摘要: Die Erfindung betrifft ein neues Verfahren zur Herstellung aliphatischer Polyisocyanate mit Iminooxadiazindionstrukturen.

    摘要翻译: 含有聚异氰酸酯的亚氨基恶二嗪二酮基(A)的制备包括在阴离子(I)的存在下多异氰酸酯的反应。 含有聚异氰酸酯的亚氨基恶二嗪二酮基(A)的制备包括在式((R-f)n-CR-a(3-n)-C(O)O-)的阴离子存在下多异氰酸酯的反应。 R-f =氟化的1-30C环状残基(不饱和的); R a = 1-20 C烷基,芳基(任选地含有杂原子取代基)或H; n = 1-2。 还包括使用(I)作为异氰酸酯(NCO)基团的低聚反应中的催化剂的独立权利要求。

    POLYURETHAN-BESCHICHTUNGSMITTELZUSAMMENSETZUNGEN SOWIE DEREN VERWENDUNG ZUR HERSTELLUNG VON MEHRSCHICHTLACKIERUNGEN
    6.
    发明公开
    POLYURETHAN-BESCHICHTUNGSMITTELZUSAMMENSETZUNGEN SOWIE DEREN VERWENDUNG ZUR HERSTELLUNG VON MEHRSCHICHTLACKIERUNGEN 审中-公开
    聚氨酯涂料组合物及其用于生产多层涂料的用途

    公开(公告)号:EP3307804A1

    公开(公告)日:2018-04-18

    申请号:EP16727448.9

    申请日:2016-06-01

    摘要: The invention relates to coating agent compositions, containing: a) at least one component (A) containing polyhydroxyl groups, b) at least one component (B) having on average at least one isocyanate group and on average at least one hydrolysable silane group of formula (I): -NR-(X-SiR''x(OR')3-x) and/or at least one hydrolysable silane group of formula (II): -N(X-SiR''x(OR')3-x)n(X'-SiR''y(OR')3-y)m, c) at least one catalyst (D) containing phosphorous and nitrogen, for crosslinking silane groups, and d) at least one catalyst (Z) for reacting hydroxyl groups with the isocyanate groups, characterised in that i) the catalyst (Z) is selected from the group consisting of zinc and bismuth carboxylates, aluminium, zirconium, titanium and/or boron chelates and/or inorganic catalysts containing tin, and mixtures thereof, and ii) the coating agent composition contains at least one reaction accelerator (R) selected from the group consisting of inorganic acids and/or organic acids and/or partial esters of the inorganic acids and/or partial esters of the organic acids. The invention also relates to methods for producing multi-layered paintwork using the coating agent compositions, to the coatings obtainable using the method, and to the use of same.