Process for preparing organic monoisocyanates
    1.
    发明授权
    Process for preparing organic monoisocyanates 有权
    制备有机单异氰酸酯的方法

    公开(公告)号:US06664415B2

    公开(公告)日:2003-12-16

    申请号:US09845873

    申请日:2001-04-30

    IPC分类号: C07C26300

    CPC分类号: C07C263/16 C07C265/04

    摘要: The present invention relates to a process for preparing a low boiling monoisocyanate having a boiling point of between 70 and 320° C. at standard pressure by reacting A) a high boiling isocyanate compound having a boiling point of at least 180° C. at standard pressure and an HC content of at least 50 ppm with B) a monoamine having a primary amino group, at a maximum reaction temperature of 180° C. and a molar ratio of isocyanate groups to amino groups of at least 4:1 to form a compound containing a biuret/urea group, simultaneously thermally decomposing this compound in situ to form a monoisocyanate corresponding to monoamine B) and removing the monoisocyanate by distillation, optionally under vacuum.

    摘要翻译: 本发明涉及一种在标准压力下制备沸点在70和320℃之间的低沸点单异氰酸酯的方法,该方法是使标准压力下的沸点为至少180℃的高沸点异氰酸酯化合物 并且具有至少50ppm的HC含量与B)具有伯氨基的单胺,最大反应温度为180℃,异氰酸酯基与氨基的摩尔比为至少4:1以形成含有 一个缩二脲/尿素基团,同时热分解该化合物原位形成对应于单胺B的单异氰酸酯),并任选地在真空下通过蒸馏除去单异氰酸酯。

    Solvent-free binder compositions and their use in one- and two-component coating compositions
    2.
    发明授权
    Solvent-free binder compositions and their use in one- and two-component coating compositions 失效
    无溶剂粘合剂组合物及其在单组分和双组分涂料组合物中的用途

    公开(公告)号:US06410095B1

    公开(公告)日:2002-06-25

    申请号:US08706551

    申请日:1996-09-06

    IPC分类号: C09D17504

    摘要: The present invention relates to substantially solvent-free binder compositions containing a) a polyisocyanate component containing heteroallophanate groups and having aromatically-bound isocyanate groups, i) an NCO content of 3 to 16%, ii) an average functionality of 1.8 to 4, iii) an allophanate group content (calculated as C2N2O3, MW: 101) of 5 to 35% and iv) a hydrocarbon chain content of 10 to 65%, wherein the hydrocarbon chains are attached to allophanate groups via oxygen and have an average of 2 to 23 carbon atoms and b) an isocyanate-reactive component. The present invention also relates to the use of these binder compositions in one- and two-component coating compositions.

    摘要翻译: 本发明涉及基本上无溶剂的粘合剂组合物,其含有a)含杂芳族化合物基团并具有芳香族结合的异氰酸酯基团的多异氰酸酯组分,i)NCO含量为3至16%,ii)平均官能度为1.8至4,iii) 脲基甲酸酯基含量(按C2N2O3计算,MW:101)为5〜35%,烃链含量为10〜65%,其中烃链通过氧连接在脲基甲酸酯基上,平均含有2〜23碳 原子和b)异氰酸酯反应性组分。 本发明还涉及这些粘合剂组合物在单组分和双组分涂料组合物中的用途。

    Olefinically unsaturated polyisocyanates
    3.
    发明授权
    Olefinically unsaturated polyisocyanates 失效
    烯属不饱和多异氰酸酯

    公开(公告)号:US6111053A

    公开(公告)日:2000-08-29

    申请号:US436939

    申请日:1995-05-08

    摘要: The invention relates to olefinically unsaturated polyisocyanates containing allophanate groups and having an NCO content of 6 to 20% by weight, an iodine value of 15 to 150, a content of hydrocarbon chains containing 12 to 30 carbon atoms of 100 to 700 mg/g and a content of allophanate groups of 10 to 300 mg/g, to a process for their production by reaction of a polyisocyanate component containing urethane groups with excess polyisocyanates, and to a one-component coating composition containing these olefinically unsaturated polyisocyanates as binders.

    摘要翻译: 本发明涉及含有脲基甲酸酯基,NCO含量为6〜20重量%,碘值为15〜150,含有12〜30个碳原子的烃链含量为100〜700mg / g的烯属不饱和多异氰酸酯, 脲基甲酸酯基的含量为10〜300mg / g,通过使含有氨基甲酸酯基的多异氰酸酯成分与过量的多异氰酸酯反应生成的方法,以及含有这些烯属不饱和多异氰酸酯作为粘合剂的单组分涂料组合物。

    Polyisocyanates containing allophanate groups
    4.
    发明授权
    Polyisocyanates containing allophanate groups 失效
    含有脲基甲酸酯基的多异氰酸酯

    公开(公告)号:US5672736A

    公开(公告)日:1997-09-30

    申请号:US555200

    申请日:1995-11-08

    CPC分类号: C08G18/7837 C07C275/60

    摘要: The present invention relates to a process for preparing polyisocyanates containing allophanate groups by reacting compounds a), which i) contain urethane groups, but which are substantially free of hydroxyl groups and isocyanate groups, ii) have an average of at least two urethane groups per molecule, iii) are prepared by reacting organic isocyanates a1) with organic hydroxyl compounds a2) and iv) have an average molecular weight of at most 2,500, with excess quantities, based on the urethane groups, of distillable organic polyisocyanates b) to form polyisocyanates containing allophanate groups and subsequently removing by distillation the unreacted excess of component b) to a residual content of less than 0.5 wt. %, provided that polyisocyanates a1) and polyisocyanates b) are different. The present invention also relates to the products obtained from this process and to their use as binders or binder components in coating compositions.

    摘要翻译: 本发明涉及通过使具有氨基甲酸酯基但不含羟基和异氰酸酯基的化合物a)反应制备含有脲基甲酸酯基团的多异氰酸酯的方法,ii)基本上不含羟基和异氰酸酯基团,ii)平均具有至少两个氨基甲酸酯基团 分子,iii)通过使有机异氰酸酯a1)与有机羟基化合物a2)和iv)具有至多2500的平均分子量,基于氨基甲酸酯基团的过量的可蒸馏有机多异氰酸酯b)来制备,以形成多异氰酸酯 含有脲基甲酸酯基团,随后通过蒸馏将未反应的组分b)过量除去至少于0.5wt。 %,条件是多异氰酸酯a1)和多异氰酸酯b)不同。 本发明还涉及从该方法获得的产品及其作为涂料组合物中的粘合剂或粘合剂组分的用途。

    Olefinically unsaturated isocyanates
    6.
    发明授权
    Olefinically unsaturated isocyanates 失效
    烯属不饱和异氰酸酯

    公开(公告)号:US5459214A

    公开(公告)日:1995-10-17

    申请号:US195726

    申请日:1994-02-11

    摘要: The present invention relates to olefinically unsaturated, urethane group-containing isocyanates which are prepared by reacting at an NCO/OH equivalent ratio of 4 to 40a) an isocyanate component substantially containing urethane group-free cycloaliphatic diisocyanates withb) an unsaturated alcohol component substantially containing monohydric olefinically unsaturated alcoholsand subsequently removing distillable unreacted isocyanates by distillation. The present invention also relates to a process for the preparation of these isocyanates and to their use as a binder component in one-component, coating compositions which may be cured at room temperature.

    摘要翻译: 本发明涉及通过使NCO / OH当量比为4至40反应制备的烯属不饱和的含氨基甲酸酯基的异氰酸酯a)基本上含有不含氨基甲酸酯基的脂环族二异氰酸酯的异氰酸酯组分和b)不饱和醇组分基本上 含有一元烯属不饱和醇,然后通过蒸馏除去可蒸馏的未反应的异氰酸酯。 本发明还涉及一种制备这些异氰酸酯的方法以及它们在单组分涂料组合物中作为粘合剂组分的用途,其可以在室温下固化。

    Lacquer polyisocyanates with aliphatically and aromatically bound
isocyanate groups
    10.
    发明授权
    Lacquer polyisocyanates with aliphatically and aromatically bound isocyanate groups 失效
    具有脂族和芳香结合的异氰酸酯基团的漆多异氰酸酯

    公开(公告)号:US5606004A

    公开(公告)日:1997-02-25

    申请号:US509258

    申请日:1995-07-31

    CPC分类号: C08G18/795

    摘要: A process for preparing liquid lacquer polyisocyanates with aliphatically and aromatically bound isocyanate groups and an NCO content of 5 to 25 wt. % by trimerizing an isocyanate component A), containing A1) 70 to 100 wt. % of diisocyanatotoluene and A2) 0 to 30 wt. % of other aromatic isocyanates and B) aliphatic lacquer polyisocyanates, optionally with prior, simultaneous and/or subsequent reaction of a portion of the isocyanate groups with an alcohol component C) having a molecular weight of 32 to 900, and optionally in the presence of D) inert solvents; the resulting lacquer polyisocyanates; and their use in coating compositions, in particular as a cross-linking agent for polyhydroxyl compounds in two-component polyurethane coating compositions.

    摘要翻译: 制备具有脂肪和芳香结合的异氰酸酯基团的液体漆多异氰酸酯的方法,NCO含量为5至25wt。 %的三异氰酸酯成分A),含有A1)70〜100wt。 %的二异氰酸基甲苯和A2)0〜30wt。 %的其它芳族异氰酸酯和B)脂族漆多异氰酸酯,任选地与一部分异氰酸酯基团与分子量为32-900的醇组分C)的先前,同时和/或随后的反应,以及任选地在 D)惰性溶剂; 得到的漆多异氰酸酯; 以及它们在涂料组合物中的用途,特别是作为双组分聚氨酯涂料组合物中多羟基化合物的交联剂。