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    Low-temperature-curable, solid polyurethane powder coating compositions containing uretdione groups
    32.
    发明授权
    Low-temperature-curable, solid polyurethane powder coating compositions containing uretdione groups 失效
    含有脲二酮基团的低温可固化的固体聚氨酯粉末涂料组合物

    公开(公告)号：US06914115B2

    公开(公告)日：2005-07-05

    申请号：US10305137

    申请日：2002-11-27

    申请人： Emmanouil Spyrou ,  Holger Loesch ,  Andreas Wenning

    发明人： Emmanouil Spyrou ,  Holger Loesch ,  Andreas Wenning

    IPC分类号： C08G18/18 ,  C08G18/79 ,  C09D5/03 ,  C09D5/46 ,  C09D163/00 ,  C09D175/04 ,  C08G18/16 ,  C08G18/80 ,  C08L75/04

    CPC分类号： C08G18/1875 ,  C08G18/798 ,  C08G2150/20 ,  C08G2250/00 ,  C09D175/04 ,  Y10T428/31551 ,  Y10T428/31591 ,  Y10T428/31601 ,  Y10T428/31605

    摘要： Polyurethane powder coating compositions containing uretdione groups and curing at low temperatures are provided, along with processes for preparing such compositions, and their use as powder coatings, wherein the compositions generally contain: A) a uretdione-containing powder coating hardener derived from aliphatic, (cyclo)aliphatic, cycloaliphatic or aromatic polyisocyanates and hydroxyl-containing compounds, and having a melting point from 40 to 130° C., a free NCO content of less than 5% by weight, and a uretdione content of 6-18% by weight; B) a hydroxyl-containing polymer having a melting point from 40 to 130° C., and an OH number between 20 and 200 mg KOH/gram, and C) a catalyst of the formula [NR1R2R3R4]+[R5]−, in which R1-R4 simultaneously, or independently of one another, are alkyl, aryl, aralkyl, heteroaryl or alkoxyalkyl radicals, and each R1-R4 is aromatic, linear or branched, unbridged or bridged with other radicals, R1-R4.

    摘要翻译： 提供含有脲二酮基团并在低温下固化的聚氨酯粉末涂料组合物及其制备方法，以及它们作为粉末涂料的用途，其中组合物通常包含：A）衍生自脂肪族的含脲二酮的粉末涂料固化剂，（ 环）脂族，脂环族或芳族多异氰酸酯和含羟基化合物，熔点为40至130℃，游离NCO含量小于5重量％，脲二酮含量为6-18重量％ ; B）具有40-130℃的熔点和20-200mg KOH /克的OH值的含羟基的聚合物，和C）式[NR 1]的催化剂， R 2 O 3 R 4 S 4 O 3 R 4 R 4 O 3 其中R 1〜R 4同时或彼此独立地是烷基，芳基，芳烷基，杂芳基或烷氧基烷基，并且每个R R 4是具有其它基团的芳族，直链或支链，未桥连或桥连的，其中R 1，R 2，R 4， >。

    Urea- and uretdione-functional polyisocyanates
    34.
    发明授权
    Urea- and uretdione-functional polyisocyanates 失效
    尿素和脲二酮官能的多异氰酸酯

    公开(公告)号：US6156863A

    公开(公告)日：2000-12-05

    申请号：US292374

    申请日：1999-04-15

    申请人： Andreas Wenning

    发明人： Andreas Wenning

    IPC分类号： C07D229/00 ,  C08G18/32 ,  C08G18/79 ,  C08G18/80 ,  C09D5/00 ,  C09D5/03 ,  C09D5/46 ,  C09D175/04

    CPC分类号： C08G18/798 ,  C08G18/8038 ,  C08G2150/20

    摘要： A urea- and uretdione-functional polyaddition compound having free, partially or totally blocked isocyanate groups and having the following structure: ##STR1## wherein the substituents are defined as follows: ##STR2## n: 1-20; R.sub.1 is R or a linear, branched or cyclic alkylene or phenylene radicals having 2-16 carbon atoms;R.sub.2, R.sub.3 are each H, R.sub.4 or a ##STR3## R.sub.4, R.sub.5 are each identical or different hydrocarbon radicals having 1-14 carbon atoms;prepared by reacting isophorone diisocyanate-uretdione with diamine mixtures comprising 1-60 mol % diprimary diamines, 1-98 mol % primary/secondary diamines and 1-98 mol % disecondary diamines.

    摘要翻译： 具有游离，部分或完全封闭的异氰酸酯基团并具有以下结构的脲和脲二酮官能加聚化合物：其中取代基定义如下：n：1-20; R1是R或具有2-16个碳原子的直链，支链或环状亚烷基或亚苯基; R 2，R 3各自为H，R 4或R 4，R 5为相同或不同的具有1-14个碳原子的烃基; 通过异佛尔酮二异氰酸酯 - 脲二酮与包含1-60mol％二元二胺，1-98mol％伯/仲二胺和1-98mol％二中二胺的二胺混合物反应制备。

    Heat-curing, one-component adhesives which are based on polyurethanes, a process for their preparation, and their use
    35.
    发明授权
    Heat-curing, one-component adhesives which are based on polyurethanes, a process for their preparation, and their use 失效
    基于聚氨酯的热固化单组分粘合剂，其制备方法及其用途

    公开(公告)号：US5916629A

    公开(公告)日：1999-06-29

    申请号：US893685

    申请日：1997-07-11

    申请人： Andreas Wenning ,  Felix Schmitt

    发明人： Andreas Wenning ,  Felix Schmitt

    IPC分类号： C08G18/58 ,  C08G18/79 ,  C08G59/14 ,  C09J5/06 ,  C09J175/04 ,  B05D5/10

    CPC分类号： C08G18/58 ,  C08G18/798 ,  C08G2150/20 ,  C08G2170/20 ,  Y10T428/31522 ,  Y10T428/31551

    摘要： Heat-curing one-component adhesives which are based on polyurethanes derived from A) a hardener component comprising polyaddition products containing hydroxyl and uretdione groups, B) a binder component comprising 1,2-epoxide compounds having more than one 1,2-epoxide group and one or more hydroxyl groups in the molecule, optionally C) further hydroxyl-containing compounds and optionally D) auxiliaries and additives known from adhesives technology; a process for preparing these compounds and to their use as heat-curing, one-component, solvent-free, thermally stable and solvent-resistant polyurethane (PU) adhesives which do not give off elimination products.

    摘要翻译： 基于衍生自A）包含含有羟基和脲二酮基团的加聚产物的固化剂组分的基于聚氨酯的热固化单组分粘合剂，B）包含具有多于一个1,2-环氧基的1,2-环氧化合物的粘合剂组分 和分子中的一个或多个羟基，任选地C）还含有羟基的化合物和任选的D）由粘合剂技术已知的助剂和添加剂; 制备这些化合物的方法及其用作热固化，单组分，无溶剂，热稳定和耐溶剂的聚氨酯（PU）粘合剂，其不产生消除产物。

    Solid polyurethane powder coating compositions containing uretdione groups that are hardenable at low temperatures
    36.
    发明授权
    Solid polyurethane powder coating compositions containing uretdione groups that are hardenable at low temperatures 有权
    含有在低温下可硬化的脲二酮基团的固体聚氨酯粉末涂料组合物

    公开(公告)号：US07572876B2

    公开(公告)日：2009-08-11

    申请号：US10836407

    申请日：2004-05-03

    申请人： Emmanouil Spyrou ,  Holger Loesch ,  Andreas Wenning

    发明人： Emmanouil Spyrou ,  Holger Loesch ,  Andreas Wenning

    IPC分类号： C08G18/16 ,  C08G18/18 ,  C08G18/80 ,  C08G18/28 ,  C08G18/10 ,  C07D229/00

    CPC分类号： C08G18/42 ,  C08G18/1875 ,  C08G18/798 ,  C08G2150/20 ,  Y10T428/31551

    摘要： A highly reactive polyurethane powder coating composition, which contains uretdione groups that are hardenable at low temperatures, contains A) at least one uretdione-containing powder coating hardener based on aliphatic, (cyclo)aliphatic or cycloaliphatic polyisocyanates and hydroxyl-containing compounds, the hardener having a melting point of from 40 to 130° C., a free NCO content of less than 5% by weight, and a uretdione content of 6-18% by weight; B) at least one hydroxyl-containing polymer having a melting point of from 40 to 130° C., and an OH number of between 20 and 200 mg KOH/g; C) 0.001-3% by weight of at least one tetraalkyl ammonium carboxylate catalyst, based on a total amount of components A) and B). Components A) and B) are present in a ratio so that for each hydroxyl group of component B) there is from 0.3 to 1 uretdione group of component A).

    摘要翻译： 包含在低温下可硬化的脲二酮基团的高反应性聚氨酯粉末涂料组合物含有A）至少一种基于脂族（（））脂族或脂环族多异氰酸酯和含羟基化合物的含有脲二酮的粉末涂料硬化剂，所述固化剂 熔点为40-130℃，游离NCO含量小于5重量％，脲二酮含量为6-18重量％; B）至少一种含羟基的聚合物，其熔点为40-130℃，OH值为20-200mg KOH / g; C）0.001-3重量％的至少一种羧酸四烷基铵催化剂，基于组分A）和B）的总量。 组分A）和B）以比例存在，使得对于组分B）的每个羟基，组分A）为0.3至1个脲二酮基团。