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54 条记录 (耗时 0.022 秒)

    Diphenylmethane diisocyanate based polyisocyanates containing allophanate groups and having blocked isocyanate groups
    34.
    发明授权
    Diphenylmethane diisocyanate based polyisocyanates containing allophanate groups and having blocked isocyanate groups 失效
    含有脲基甲酸酯基并具有封端异氰酸酯基团的二苯基甲烷二异氰酸酯基聚异氰酸酯

    公开(公告)号：US5705593A

    公开(公告)日：1998-01-06

    申请号：US709801

    申请日：1996-09-10

    申请人： Lutz Schmalstieg ,  Josef Pedain ,  Theodor Engbert ,  Holger Casselmann ,  Frank Kobelka

    发明人： Lutz Schmalstieg ,  Josef Pedain ,  Theodor Engbert ,  Holger Casselmann ,  Frank Kobelka

    IPC分类号： C07C275/60 ,  C08G18/78 ,  C08G18/80 ,  C09D175/00 ,  C09D175/04 ,  C07C273/18

    CPC分类号： C08G18/7837 ,  C07C275/60 ,  C08G18/8093

    摘要： The present invention relates to polyisocyanates prepared from diphenylmethane diisocyanate wherein at least 95% of the isocyanate groups are blocked with diethyl malonate and wherein the polyisocyanates have, based on solids, A) a content of unblocked and blocked isocyanate groups (calculated as NCO) of 9% to 13%, B) a content of allophanate groups (calculated as C.sub.2 HN.sub.2 O.sub.3, molecular weight 101) of 3% to 9% and C) a calculated average functionality of 2.0 to 2.5. The present invention also relates to a process for the production of these polyisocyanates and to their use as crosslinking agents for organic polyhydroxyl compounds in polyurethane stoving lacquers.

    摘要翻译： 本发明涉及由二苯基甲烷二异氰酸酯制备的多异氰酸酯，其中至少95％的异氰酸酯基团用丙二酸二乙酯封闭，其中多异氰酸酯基于固体A具有未封端和封闭的异氰酸酯基团的含量（以NCO计算） 9％〜13％，B）脲基甲酸酯基（含量为C2HN2O3，分子量101）含量为3％〜9％，C）计算出的平均官能度为2.0〜2.5。 本发明还涉及一种生产这些多异氰酸酯的方法，以及它们在聚氨酯烘烤漆中用作有机多羟基化合物的交联剂的用途。

    Isocyanate prepolymers containing ether and ester groups a process for their preparation and their use for the production of coating, sealing or casting composition
    37.
    发明授权
    Isocyanate prepolymers containing ether and ester groups a process for their preparation and their use for the production of coating, sealing or casting composition 失效
    含有醚和酯类的异氰酸酯预处理剂其制备及其用于生产涂料，密封或铸造组合物的方法

    公开(公告)号：US5151484A

    公开(公告)日：1992-09-29

    申请号：US823226

    申请日：1992-01-21

    申请人： Lutz Schmalstieg ,  Peter Hihlein ,  Josef Pedain ,  Wolfhart Wieczorrek

    发明人： Lutz Schmalstieg ,  Peter Hihlein ,  Josef Pedain ,  Wolfhart Wieczorrek

    IPC分类号： C08G18/10 ,  C08G18/42 ,  C08G18/48 ,  C09D175/06 ,  C09D175/08 ,  C09K3/10

    CPC分类号： C08G18/4891 ,  C08G18/10 ,  C08G2190/00

    摘要： The present invention relates to isocyante prepolymers containing ether and ester groups, having an isocyanate content of 1.9% to 25% by weight and based on the reaction product ofA) a polyisocyanate component containing at least one organic polyisocyanate having an average molecular weight of 168 to 1000,B) an organic polyhydroxyl component containing at least one polyhydroxyl compound containing ether and ester groups, having an average hydroxyl functionality of 2 to 3 and an average hydroxyl number of 40 to 90 and based on the esterification products ofi) polyether polyols having an average hydroxyl number of 200 to 600 withii) from 25 to 67 equivalent-%, based on the hydroxyl groups of component (i) and the carboxyl groups of component (ii), of an organic carboxylic acid component containing at least one organic monocarboxylic acid or a mixture of at least one organic monocarboxylic acid with up to 20 carboxyl equivalent-%, based on all the carboxylic acids, of polybasic organic carboxylic acids.The present invention also relates to a process for the preparation of these isocyanate prepolymers containing ether and ester groups and to their as binders or binding components in low solvent or solvent-free polyurethane coating compositions, sealing compositions or casting compositions.

    摘要翻译： 本发明涉及含有醚和酯基的异氰酸酯预聚物，其异氰酸酯含量为1.9〜25重量％，基于A）含有至少一种平均分子量为168的有机多异氰酸酯的多异氰酸酯组分的反应产物 至100，B）含有至少一种含醚和酯基的多羟基化合物的有机多羟基组分，其平均羟基官能度为2至3，平均羟值为40至90，并基于i）聚醚多元醇的酯化产物 平均羟基数为200至600，其中ii）基于组分（i）的羟基和组分（ii）的羧基），含有至少一个有机羧酸组分的25至67当量％ 有机单羧酸或至少一种有机一元羧酸与至多20％羧基当量％的混合物，基于所有羧酸，多元组织 c羧酸。 本发明还涉及在低溶剂或无溶剂的聚氨酯涂料组合物，密封组合物或浇铸组合物中制备含有醚和酯基的这些异氰酸酯预聚物以及它们作为粘合剂或粘结组分的方法。

    Polyisocyanates containing ester groups, a process for the production of these polyisocyanates and their use in polyurethane coating compositions
    38.
    发明授权
    Polyisocyanates containing ester groups, a process for the production of these polyisocyanates and their use in polyurethane coating compositions 失效
    含有酯基的聚异氰酸酯，生产这些聚异氰酸酯的方法及其在聚氨酯涂料组合物中的用途

    公开(公告)号：US5096994A

    公开(公告)日：1992-03-17

    申请号：US561770

    申请日：1990-08-02

    申请人： Lutz Schmalstieg ,  Josef Pedain ,  Klaus Nachtkamp ,  Lothar Kahl ,  Manfred Schonfelder

    发明人： Lutz Schmalstieg ,  Josef Pedain ,  Klaus Nachtkamp ,  Lothar Kahl ,  Manfred Schonfelder

    IPC分类号： C07C263/16 ,  C07C265/04 ,  C07H13/04 ,  C08G18/73 ,  C08G18/77 ,  C09D175/00 ,  C09D175/04

    CPC分类号： C07H13/04 ,  C07C265/04 ,  C08G18/771

    摘要： The present invention relates to polyisocyanates which contain ester groups and havea) a content of aliphatically bound isocyanate groups of 18 to 33% by weight,b) an average NCO functionality of 4.1 to 10, preferably from 4.5 to 10, andc) a viscosity of 200 to 2,5000 mPa.s at 22.degree. C.The present invention also relates to preferred polyisocyanates which contain ester groups and havea) a content of aliphatically bound isocyanate groups of 20 to 33% by weight,b) an average NCO functionality of 5 to 8 andc) a viscosity of 500 to 1,000 mPa.s at 22.degree. C.The present invention further relates to a process for the preparation of these preferred polyisocyanates by reacting isocyanatocarboxylic acid chlorides with O-silylated, polyhydric alcohols at a temperature of about 50.degree. to 150.degree. C. Finally, the present invention relates to the use of the polyisocyanates as the isocyanate component for two-component polyurethane coating compositions.

    摘要翻译： 本发明涉及含有酯基并且具有以下特征的多异氰酸酯：a）脂肪族结合的异氰酸酯基团的含量为18〜33重量％，b）平均NCO官能度为4.1〜10，优选为4.5〜10，以及c） 22℃下的粘度为200〜25000mPa.s。本发明还涉及优选的含有酯基的多异氰酸酯，其具有a）含有20〜33重量％的脂肪族结合的异氰酸酯基的含量，b）平均 NCO官能度为5至8，和c）在22℃下的粘度为500至1,000mPa.s。本发明还涉及通过使异氰酸酯基羧酸与O-甲硅烷基化的多元醇反应来制备这些优选的多异氰酸酯的方法 在约50℃至150℃的温度下进行。最后，本发明涉及多异氰酸酯作为双组分聚氨酯涂料组合物的异氰酸酯组分的用途。

    Heat curable mixtures and their use for the formation of coatings on heat resistant substrates
    39.
    发明授权
    Heat curable mixtures and their use for the formation of coatings on heat resistant substrates 失效
    可热固化的混合物及其在耐热基材上形成涂层的用途

    公开(公告)号：US5061775A

    公开(公告)日：1991-10-29

    申请号：US549508

    申请日：1990-07-06

    申请人： Lutz Schmalstieg ,  Klaus Nachtkamp ,  Karl-Ludwig Noble

    发明人： Lutz Schmalstieg ,  Klaus Nachtkamp ,  Karl-Ludwig Noble

    IPC分类号： C08G18/10 ,  C08G18/78 ,  C08G18/79 ,  C08G18/80 ,  C09D175/00

    CPC分类号： C08G18/808 ,  C08G18/10 ,  C08G18/7831 ,  C08G18/792

    摘要： The present invention relates to a coating composition which may be cured at elevated temperature and is based onA) a polyisocyanate component containing at least one organic polyisocyanate having reversibly blocked isocyanate groups and a molecular weight of 398 to 25,000, excluding the weight of the blocking agent, the isocyanate groups being reversibly blocked with a secondary monoamine andB) an isocyanate reactive component containing at least one organic polyamine having a molecular weight of 60 to 499 and at least two primary amino groups.The present invention also relates to the use of these coating compositions for the formation of coatings on heat resistant substrates.

    摘要翻译： 本发明涉及一种涂料组合物，其可以在升高的温度下固化，并且基于A）含有至少一种具有可逆封闭的异氰酸酯基团并且分子量为398至25,000的有机聚异氰酸酯的多异氰酸酯组分，不包括嵌段的重量 异氰酸酯基团可以用二级单胺可逆地封闭，以及B）含有至少一种分子量为60-499和至少两个伯氨基的有机多胺的异氰酸酯反应性组分。 本发明还涉及这些涂料组合物在耐热基材上形成涂层的用途。