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66 条记录 (耗时 0.018 秒)

    Polyaddition product containing isocyanurate groups and uretdione groups, and a process for preparing same
    11.
    发明授权
    Polyaddition product containing isocyanurate groups and uretdione groups, and a process for preparing same 失效
    含有异氰脲酸酯基团和脲二酮基团的加成产物及其制备方法

    公开(公告)号：US5773550A

    公开(公告)日：1998-06-30

    申请号：US799878

    申请日：1997-02-14

    申请人： Elmar Wolf

    发明人： Elmar Wolf

    IPC分类号： C08G18/32 ,  C08G18/78 ,  C08G18/79 ,  C08G18/12

    CPC分类号： C08G18/798 ,  C08G18/3228 ,  C08G18/3234 ,  C08G18/792 ,  C08G2150/20

    摘要： Isocyanurate- and uretdione-group-containing polyaddition product of an isophorone diisocyanate comprising the reaction product of: i) an isophorone diisocyanate which contains isocyanurate groups and uretdione groups; and ii) a diol component selected from the group consisting of a diol, a disecondary diamine, a linear hydroxyl-containing polyester and a mixture thereof, wherein said isophorone diisocyanate comprises not more than 2% by weight of free isophorone diisocyanate and .gtoreq.5 wt. % of isophorone diisocyanate isocyanurate, wherein said isophorone diisocyanate is reacted with said diol component in an NCO/OH ratio of 1:0.5-1:0.95 and/or an NCO/NH ratio of 0.5:1 0.95:1.

    摘要翻译： 异氰酸酯二异氰酸酯和含脲二酮基的加聚产物包括以下反应产物：i）含有异氰脲酸酯基团和脲二酮基团的异佛尔酮二异氰酸酯; 和ii）选自二醇，二元二胺，含有线性羟基的聚酯及其混合物的二醇组分，其中所述异佛尔酮二异氰酸酯包含不超过2重量％的游离异佛尔酮二异氰酸酯和> / = 5重量％ ％的异佛尔酮二异氰酸酯异氰脲酸酯，其中所述异佛尔酮二异氰酸酯与所述二醇组分以1：0.5-1：0.95和/或NCO / NH比为0.5：1 0.95：1的NCO / OH比反应。

    Uretidione dimer of isophorone diisocyanate and method of preparation
    15.
    发明授权
    Uretidione dimer of isophorone diisocyanate and method of preparation 失效
    异佛尔酮二异氰酸酯的尿嘧啶二聚体及其制备方法

    公开(公告)号：US4476054A

    公开(公告)日：1984-10-09

    申请号：US292499

    申请日：1981-08-13

    申请人： Josef Disteldorf ,  Werner Hubel ,  Elmar Wolf

    发明人： Josef Disteldorf ,  Werner Hubel ,  Elmar Wolf

    IPC分类号： B01J31/02 ,  C07B61/00 ,  C07D229/00 ,  C08G18/79 ,  C09D5/46 ,  C09D175/00 ,  C09D175/04

    CPC分类号： C07D229/00 ,  C08G18/798 ,  C08G2150/20

    摘要： A process for producing a substantially isocyanurate-free uretidione dimer of isophorone diisocyanate, which is more than 98% decomposable by heat to isophorone diisocyanate, which comprises dimerizing isophorone diisocyanate, optionally in an inert organic solvent, in the presence of a catalyst of the formula X.sub.m P(NR.sub.2).sub.3-m wherein m=0, 1, 2; X=Cl OR of R wherein R is selected from the group consisting of the same or different aklyl radical, aralkyl radical, cycloalkyl radical, substituted cycloalkyl radical and radicals wherein two or more of the aforementioned radicals form a hererocyclic ring together with the nitrogen atom; at temperatures of 0.degree.-80.degree. C., isolating the resulting 1,3-diazacyclobutane-2,4-dione, after 5-70% conversion, without previous inactivation of the catalyst, from the reaction mixture as the residue of a thin film distillation and isolating the catalyst and monomer as the distillate.

    摘要翻译： 制备异佛尔酮二异氰酸酯的基本上不含异氰脲酸酯的脲基二酮二聚体的方法，其通过加热至异佛尔酮二异氰酸酯可分解98％以上，该方法包括二异丙氧基异氰酸酯，任选在惰性有机溶剂中，在式 XmP（NR2）3-m，其中m = 0,1,2; X = R的Cl OR，其中R选自相同或不同的甲酰基，芳烷基，环烷基，取代的环烷基和基团，其中两个或更多个上述基团与氮原子一起形成本环 ; 在0°-80℃的温度下，分离得到的1,3-二氮杂环丁烷-2,4-二酮，在转化5-70％之后，未反应催化剂失活，作为薄的残留物 薄膜蒸馏和分离催化剂和单体作为馏出物。

    Isocyanurate group-and terminally blocked isocyanate group-containing compounds
    17.
    发明授权
    Isocyanurate group-and terminally blocked isocyanate group-containing compounds 失效
    异氰脲酸酯基和末端封端的含异氰酸酯基的化合物

    公开(公告)号：US4306051A

    公开(公告)日：1981-12-15

    申请号：US135187

    申请日：1980-03-28

    申请人： Rainer Gras ,  Elmar Wolf

    发明人： Rainer Gras ,  Elmar Wolf

    IPC分类号： C08G69/00 ,  C07D251/34 ,  C08G18/79 ,  C08G18/80 ,  C08G69/20 ,  C08K5/35

    CPC分类号： C08G18/792 ,  C07D251/34 ,  C08G18/8077 ,  C08G2150/20

    摘要： A method for the production of blocked isocyanate- and isocyanurate group-containing compounds which comprises reacting a monomeric cycloaliphatic polyisocyanate to form an intermediate mixture comprising an isocyanurate containing at least two free isocyanate groups; and blocking the intermediate isocyanurate mixture with dimethylketoxime at 50.degree.-120.degree. C., wherein the amount of said dimethylketoxime is such that one equivalent of NCO group reacts with one equivalent of the dimethylketoxime. A mixture containing isocyanurate and blocked isocyanate groups which comprises at least 10% by weight of a cycloaliphatic isocyanurate containing at least two isocyanate groups blocked with dimethylketoxime and a monomeric polyisocyanate blocked with dimethylketoxime in such amounts as necessary to complete 100% by weight of the mixture, and wherein the unblocked NCO-group content of the monomeric polyisocyanate is less than 0.5% by weight.

    摘要翻译： 一种制备封端异氰酸酯和异氰脲酸酯基化合物的方法，包括使单体脂环族多异氰酸酯反应形成含有至少两个游离异氰酸酯基团的异氰脲酸酯的中间体混合物; 并在50-120℃下用二甲基酮肟封闭中间体异氰脲酸酯混合物，其中所述二甲基酮肟的量使得一当量的NCO基团与1当量的二甲基酮肟反应。 包含异氰脲酸酯和封端的异氰酸酯基团的混合物，其包含至少10重量％的含有至少两个用二甲基酮肟封端的异氰酸酯基的脂环族异氰脲酸酯和用二甲基酮肟封端的单体多异氰酸酯，其量必须达到100重量％的混合物 ，其中单体多异氰酸酯的未封端的NCO-基团含量小于0.5重量％。

    Coating materials and their application prepared from polyisocyanates blocked with imidazolines
    18.
    发明授权
    Coating materials and their application prepared from polyisocyanates blocked with imidazolines 失效
    涂覆材料及其应用由用咪唑啉封端的多异氰酸酯制备

    公开(公告)号：US4255551A

    公开(公告)日：1981-03-10

    申请号：US948150

    申请日：1978-10-03

    申请人： Elmar Wolf ,  Johann Obendorf ,  Rainer Gras

    发明人： Elmar Wolf ,  Johann Obendorf ,  Rainer Gras

    IPC分类号： C09D5/03 ,  C08G18/00 ,  C08G18/80 ,  C09D175/00 ,  C09D175/06

    CPC分类号： C09D175/06 ,  C08G18/808 ,  C08G2150/20 ,  Y10T428/31565

    摘要： Powdered, heat-hardenable coating materials with high storage stability and a grain size smaller than 0.25 mm based upon hydroxy-group-containing polyesters with melting points between 40.degree. and 120.degree. C., blocked polyisocyanates and optionally catalysts, wherein the coating material contains polyisocyanates blocked with cyclic amidines of the general formula ##STR1## wherein R=equal or different substituents selected from the group consisting of hydrogen, alkyl-, cycloalkyl-, aralkyl-, and alkyl radicals. A method for the production of the above mentioned coating materials and a process for coating substrates with these materials is also disclosed.

    摘要翻译： 具有高储存稳定性和粒径小于0.25mm的粉末状，可热硬化的涂料，基于熔点为40-120℃的含羟基聚酯，封端的多异氰酸酯和任选的催化剂，其中涂料含有 用通式为“IMAGE”的环状脒封闭的多异氰酸酯，其中R =相同或不同的选自氢，烷基 - ，环烷基 - ，芳烷基 - 和烷基的取代基。 还公开了用于生产上述涂料的方法和用这些材料涂布基材的方法。

    Method of producing blocked polyisocyanates by reaction of an imidazoline with an isocyanate
    19.
    发明授权
    Method of producing blocked polyisocyanates by reaction of an imidazoline with an isocyanate 失效
    通过咪唑啉与异氰酸酯的反应制备封端多异氰酸酯的方法

    公开(公告)号：US4200725A

    公开(公告)日：1980-04-29

    申请号：US921091

    申请日：1978-06-30

    申请人： Rainer Gras ,  Johann Obendorf ,  Elmar Wolf

    发明人： Rainer Gras ,  Johann Obendorf ,  Elmar Wolf

    IPC分类号： C07D233/06 ,  C08G18/80

    CPC分类号： C07D233/06

    摘要： This invention relates to blocked isocyanates and to a method for making blocked isocyanates by blocking the isocyanate groups of a polyisocyanate, which may be chain extended, with a cyclic amidine compound of the formula ##STR1## where the R's are the same or different substituents inert to isocyanate groups.

    摘要翻译： 本发明涉及封闭的异氰酸酯和通过用式“IMAGE”的环状脒化合物封闭可延伸的多异氰酸酯的异氰酸酯基来制备封闭的异氰酸酯的方法，其中R是相同或不同的取代基惰性 到异氰酸酯基团。

    Grass-cutting and air-impelling means for a rotary scythe lawn mower
    20.
    发明授权
    Grass-cutting and air-impelling means for a rotary scythe lawn mower 失效
    割草机和空气推动装置用于旋转割草机

    公开(公告)号：US4121405A

    公开(公告)日：1978-10-24

    申请号：US743669

    申请日：1976-11-22

    申请人： Elmar Wolf

    发明人： Elmar Wolf

    IPC分类号： A01D34/63 ,  A01D34/73 ,  A01D43/077 ,  A01D55/18

    CPC分类号： A01D43/077 ,  A01D34/73 ,  A01D34/826 ,  A01D2101/00 ,  A01D34/63

    摘要： The disclosure is of a grass-cutting and air-impelling means for a rotary scythe lawn mower comprising at least one rotary cutter body below a coaxial disc furnished with upstanding radial vanes and air suction slots or openings immediately at the rear of the vanes.

    摘要翻译： 本发明涉及一种用于旋转割草机的草切和空气推动装置，其包括至少一个旋转切割器主体，其位于同轴盘下面，其具有直立的径向叶片和紧邻叶片后部的空气吸入槽或开口。