Self-crosslinking polyurethane dispersions and a process for their preparation
    1.
    发明申请
    Self-crosslinking polyurethane dispersions and a process for their preparation 审中-公开
    自交联聚氨酯分散体及其制备方法

    公开(公告)号:US20070004856A1

    公开(公告)日:2007-01-04

    申请号:US11475691

    申请日:2006-06-27

    IPC分类号: C08G18/08

    摘要: The present invention relates to a process for preparing self-crosslinking polyurethane dispersions by I) reacting a1) polyisocyanates with a2) at least one hydroxyl component having an average OH functionality of ≧2 and a number average molecular weight of 62 to 2500 g/mol, wherein the hydroxyl component contains at least one acid-functional compound containing at least one isocyanate-reactive group, to form an NCO-functional and optionally OH-functional prepolymer, II) then reacting the NCO-functional and optionally OH-functional prepolymer with a3) a hydroxyl component having an average OH functionality of >1 and a4) optionally another polyisocyanate component, which may be the same as or different from a1), to form an OH-functional and NCO-free polyurethane, III) adding a blocked polyisocyanate either before, during or after the reaction of steps I) and II), or forming a blocked polyisocyanate in situ from a polyisocyanate and a blocking agent after the reaction of step II) has taken place, IV) neutralizing the acid groups of the resulting composition by adding a5) a neutralizing agent, and V) dispersing the resulting composition in water. The present invention also relates to the dispersions prepared by the present invention and to their use in coating, adhesive and sealant compositions.

    摘要翻译: 本发明涉及一种制备自交联聚氨酯分散体的方法,其方法是使a1)多异氰酸酯与a2)至少一种平均OH官能度> = 2,数均分子量为62〜2500g / mol,其中所述羟基组分含有至少一种含有至少一个异氰酸酯反应性基团的酸官能化合物,以形成NCO-官能和任选的OH-官能预聚物,II)然后使所述NCO-官能和任选的OH-官能预聚物 其中a3)具有平均OH官能度> 1的羟基组分和a4)任选地可以与a1)相同或不同的另一种多异氰酸酯组分,以形成OH-官能和无NCO的聚氨酯,III)加入 在步骤I)和II)的反应之前,期间或之后封闭的多异氰酸酯,或在步骤II)的反应之后由多异氰酸酯和封闭剂原位形成封端多异氰酸酯具有ta 呃地方,IV)通过添加a)中和剂中和所得组合物的酸基,和V)将得到的组合物分散在水中。 本发明还涉及由本发明制备的分散体及其在涂料,粘合剂和密封剂组合物中的用途。

    Self-crosslinking polyurethane dispersions containing uretdione and isocyanate-reactive groups
    2.
    发明申请
    Self-crosslinking polyurethane dispersions containing uretdione and isocyanate-reactive groups 审中-公开
    含有脲二酮和异氰酸酯反应性基团的自交联聚氨酯分散体

    公开(公告)号:US20070032594A1

    公开(公告)日:2007-02-08

    申请号:US11496294

    申请日:2006-07-31

    IPC分类号: C08G18/08

    摘要: The present invention relates to aqueous, self-crosslinking polyurethane dispersions containing in the same polyurethane molecule structural units I) and II) wherein R is the radical obtained by removing the isocyanate groups from an aliphatic, cycloaliphatic, araliphatic or aromatic polyisocyanate, R′ is an alkyl radical, X is a carboxylic acid (COOH) or carboxylate (COO−) radical, Y is NH2, NHR″ or OH, and R″ is an alkyl radical. The present invention also relates to a process for preparing these aqueous, self-crosslinking polyurethane dispersions and to their use in aqueous one-component baking systems and in aqueous coating, varnishes or adhesive compositions.

    摘要翻译: 本发明涉及含有相同聚氨酯分子结构单元I)和II)的水性,自交联聚氨酯分散体,其中R是通过从脂族,脂环族,芳脂族或芳族多异氰酸酯中除去异氰酸酯基而获得的基团,R'是 烷基,X是羧酸(COOH)或羧酸酯(COO-SO),Y是NH 2,NHR“或OH,R”是 烷基。 本发明还涉及一种制备这些水性,自交联聚氨酯分散体的方法,以及它们在水性单组分烘焙系统和水性涂料,清漆或粘合剂组合物中的用途。

    Silicon-free polyisocyanate or polyurethanes having monoamide-containing hydrophilic groups
    3.
    发明申请
    Silicon-free polyisocyanate or polyurethanes having monoamide-containing hydrophilic groups 审中-公开
    含有单酰胺的亲水基团的无硅多异氰酸酯或聚氨酯

    公开(公告)号:US20070004894A1

    公开(公告)日:2007-01-04

    申请号:US11475414

    申请日:2006-06-27

    IPC分类号: C08G18/00

    摘要: The present invention relates to silicon-free polyisocyanates or polyurethanes which contain at least one structural unit of formula (1) wherein m is 0 to 8, n is 0 to 8, m+n is≧2, R1 and R2 independently of one another are each hydrogen or an OH-free, optionally substituted C1 to C8 alkyl or cycloalkyl radical, R4 is the radical obtained by removing the carboxylic acid groups from a difunctional aliphatic dicarboxylic acid having at least two carbon atoms, a cycloaliphatic dicarboxylic acid having at least 6 carbon atoms or an aromatic dicarboxylic acid having at least 6 carbon atoms, and R3 is the same as R1 or R2 or corresponds to formula (2) wherein R1 and R2 are as defined above and R6 is an alkyl or aryl radical obtained by removing an isocyanate group from a di- or polyisocyanate having optionally blocked NCO groups. The present invention also relates to a process for preparing these silicon-free polyisocyanates or polyurethanes.

    摘要翻译: 本发明涉及含有至少一种式(1)结构单元的无硅多异氰酸酯或聚氨酯,其中m为0至8,n为0至8,m + n为> = 2,R 1为 彼此独立地为氢或不含OH的任选取代的C 1至C 8烷基或环烷基 基团R 4是通过从具有至少两个碳原子的二官能脂肪族二羧酸除去羧酸基团,具有至少6个碳原子的脂环族二羧酸或具有至少6个碳原子的芳族二羧酸获得的基团, 至少6个碳原子,R 3 3与R 1或R 2相同或相当于式(2)其中R 0 > 1和R 2如上所定义,R 6是通过从具有任选地(a)的二异氰酸酯或多异氰酸酯除去异氰酸酯基而获得的烷基或芳基, 阻止NCO组。 本发明还涉及制备这些无硅多异氰酸酯或聚氨酯的方法。

    Blocked polyisocyanates
    4.
    发明授权
    Blocked polyisocyanates 失效
    封闭的多异氰酸酯

    公开(公告)号:US07074852B2

    公开(公告)日:2006-07-11

    申请号:US10874988

    申请日:2004-06-23

    摘要: Blocked polyisocyanates and one-component stoving systems containing these blocked polyisocyanates, and the preparation thereof and their use for the preparation of lacquers, paints, adhesives and elastomers. The blocked polyisocyanates are derived from polyisocyanates reacted with secondary amines and cationic, anionic and/or nonionic hydrophilizing agents such that they are incorporated into the polyisocyanate at a ratio of from 20:1 to 1:1, wherein the blocking agents correspond to the formula R1–R4 can be identical or different and independently of one another denote hydrogen, C1–C6-alkyl or C3–C6-cycloalkyl, R5 denotes C1–C10-alkyl, C3–C10-cycloalkyl, and B represents  wherein R6–R8 can be identical or different and independently of one another denote C1–C6-alkyl and/or C1–C6-cycloalkyl, R9 denotes hydrogen or C3–C6-alkyl or C3–C6-cycloalkyl.

    摘要翻译: 封闭的多异氰酸酯和含有这些封端多异氰酸酯的单组分烘烤系统及其制备方法及其用于制备漆,油漆,粘合剂和弹性体的用途。 封端的多异氰酸酯衍生自与仲胺和阳离子,阴离子和/或非离子亲水剂反应的多异氰酸酯,使得它们以20:1至1:1的比例掺入多异氰酸酯中,其中封闭剂对应于式 R 1〜R 4可以相同或不同,彼此独立地表示氢,C 1 -C 6 > - 烷基或C 3 -C 6 - 环烷基,R 5表示C 1 -C 6 - 10个 - 烷基,C 3 -C 10 - 环烷基,B表示其中R 6 -R 8, / SUP>可以相同或不同,彼此独立地表示C 1 -C 6 - 烷基和/或C 1 -C 6 - R 6表示氢或C 3 -C 6 - 烷基或C 3 - C 6 -C 6 - 环烷基。

    Self-crosslinking polyurethane dispersions
    5.
    发明申请
    Self-crosslinking polyurethane dispersions 审中-公开
    自交联聚氨酯分散体

    公开(公告)号:US20050075470A1

    公开(公告)日:2005-04-07

    申请号:US10953386

    申请日:2004-09-29

    摘要: A process for preparing self-crosslinking polyurethane polymers including i) reacting an aromatic isocyanate component (A) or a mixture of aromatic, aliphatic and/or cycloaliphatic isocyanate component having an isocyanate group functionality of greater than or equal to 2 with an at least difunctional polyol component (B1) with an average molecular weight of from 62 to 2500, which includes at least one acid-functional compound (C), to give a prepolymer containing isocyanate groups or containing hydroxyl groups, ii) adding one or more polyol components (B2) having an OH functionality of greater than or equal to 1, and optionally, an isocyanate component (A′), which may be identical to or different from (A), iii) mixing the resulting NCO-functional product with a blocking agent (D), and iv) adding a polyol component (B3). Self-crosslinking polyurethane polymers prepared as described above can be used in paint, varnish or adhesive compositions.

    摘要翻译: 一种制备自交联聚氨酯聚合物的方法,其包括:使异氰酸酯组分(A)或具有大于或等于2的异氰酸酯基官能度的芳族,脂族和/或脂环族异氰酸酯组分的混合物与至少二官能 平均分子量为62〜2500的多元醇成分(B1),其包含至少一种酸官能化合物(C),得到含异氰酸酯基或含羟基的预聚物,ii)添加一种或多种多元醇成分( B2),以及任选地,可以与(A)相同或不同的异氰酸酯组分(A'),iii)将所得的NCO-官能产物与封闭剂 (D),和iv)添加多元醇成分(B3)。 如上所述制备的自交联聚氨酯聚合物可用于油漆,清漆或粘合剂组合物中。

    NCO prepolymers prepared from isophorone diisocyanate and having a low monomer content
    6.
    发明授权
    NCO prepolymers prepared from isophorone diisocyanate and having a low monomer content 有权
    由异佛尔酮二异氰酸酯制备并具有低单体含量的NCO预聚物

    公开(公告)号:US06825376B2

    公开(公告)日:2004-11-30

    申请号:US10316364

    申请日:2002-12-11

    IPC分类号: C08G1810

    CPC分类号: C08G18/4866 C08G18/10

    摘要: The present invention relates to solvent-free, NCO prepolymers having a residual IPDI monomer content of less than 2.0 wt. %, an NCO content of 2.0 to 5.0 wt. % and a viscosity of 5000 to 20,000 mPa·s, wherein the NCO prepolymers are the reaction products of i) 3-isocyanatomethyl-3,5,5-trimethylcyclohexyl isocyanate and ii) one or more polyethers prepared by the DMC catalyst process and having an OH-functionality of 1.80 to 2.00 at an NCO/OH equivalent ratio of 1.5:1 to 2.2:1. The present invention also relates to a process for preparing these solvent-free, NCO prepolymers and to polyurethane coating, sealant, adhesive and/or embedding compositions containing the solvent-free, NCO prepolymers as a binder and/or binder component.

    摘要翻译: 本发明涉及具有小于2.0重量%的残留IPDI单体含量的无溶剂的NCO预聚物。 %,NCO含量为2.0〜5.0wt。 %,粘度为5000〜20,000mPa.s,其中NCO预聚物为i)3-异氰酸甲酯基-3,5,5-三甲基环己基异氰酸酯和ii)通过DMC催化剂方法制备并具有OH的聚醚的反应产物 官能度为1.80至2.00at,NCO / OH当量比为1.5:1至2.2:1。本发明还涉及制备这些无溶剂的NCO预聚物和聚氨酯涂料,密封剂,粘合剂和/或 包含无溶剂的NCO预聚物作为粘合剂和/或粘合剂组分的包埋组合物。