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16 条记录 (耗时 0.026 秒)

    Preparation of polyurethane foams modified with melamine-formaldehyde precondensates
    1.
    发明授权
    Preparation of polyurethane foams modified with melamine-formaldehyde precondensates 失效
    用三聚氰胺 - 甲醛预缩合物改性的聚氨酯泡沫的制备

    公开(公告)号：US4367294A

    公开(公告)日：1983-01-04

    申请号：US266158

    申请日：1981-05-22

    申请人： Klaus Hahn ,  Peter Horn ,  Matthias Marx ,  Heinz Weber ,  Wolfram Weiss ,  Rolf Wurmb

    发明人： Klaus Hahn ,  Peter Horn ,  Matthias Marx ,  Heinz Weber ,  Wolfram Weiss ,  Rolf Wurmb

    IPC分类号： C08G18/00 ,  C08G12/32 ,  C08G18/54 ,  C08G18/14

    CPC分类号： C08G18/544 ,  C08G12/32

    摘要： A process for the preparation of polyurethane foams modified with melamine-formaldehyde precondensates, in which the precondensates employed are storage-stable, aqueous 40-85% strength by weight resin solutions which are obtained by condensing melamine with formaldehyde in a molar ratio of 1:1.1-1.75 in aqueous solution at a pH which, at least periodically, is above 8, and at from 60 to 130.degree. C., until one part by volume of resin solution can be diluted with from 0.5 to 4 parts by volume of water at 20.degree. C. without causing a persisting cloudiness.

    摘要翻译： 用三聚氰胺 - 甲醛预缩合物改性的聚氨酯泡沫的制备方法，其中使用的预缩合物是储存稳定的40-85％重量的树脂溶液，其通过将三聚氰胺与甲醛以摩尔比1： 在水溶液中，在至少周期性地高于8℃，在60-130℃的pH下，直到一分一份体积的树脂溶液可以用0.5至4体积份的水稀释， 在20℃下，不会引起持续的混浊。

    Preparation of (2-hydroxyethyl)-melamines and their use as modifiers in the preparation of aminoplast resins
    3.
    发明授权
    Preparation of (2-hydroxyethyl)-melamines and their use as modifiers in the preparation of aminoplast resins 失效
    （2-羟乙基） - 三聚氰胺的制备及其在制备氨基塑料树脂中的用途

    公开(公告)号：US4668785A

    公开(公告)日：1987-05-26

    申请号：US744203

    申请日：1985-06-13

    申请人： Klaus Ebel ,  Wolfgang Reuther ,  Wolfram Weiss ,  Ludwig Lelgemann

    发明人： Klaus Ebel ,  Wolfgang Reuther ,  Wolfram Weiss ,  Ludwig Lelgemann

    IPC分类号： C07D251/54 ,  C07D251/70 ,  C08G12/26 ,  C08G12/30 ,  C08G12/34

    CPC分类号： C08G12/266 ,  C07D251/70 ,  C08G12/30 ,  C08G12/34 ,  Y10T428/31949 ,  Y10T428/31957

    摘要： N,N',N"-tris-(2-hydroxyethyl)-melamine, if required, as a mixture with N-mono- and N,N'-bis-(2-hydroxyethyl)-melamine, is prepared by reacting melamine with ethanolamine in the presence of an acidic catalyst by a method in which the reaction is carried out at from 120.degree. to 250.degree. C. using an excess of ethanolamine, and the molar ratio of free ethanolamine to the sum of free and converted melamine is not permitted to fall below 4:1 during the entire reaction time, and the stated (2-hydroxyethyl)-melamines are used as modifiers in the prepartion of aminoplast resins which are suitable for laminating surfaces.

    摘要翻译： N，N'，N“ - 三 - （2-羟乙基） - 三聚氰胺，如果需要，与N-单和N，N'-双 - （2-羟乙基） - 三聚氰胺的混合物，通过 三聚氰胺与乙醇胺在酸性催化剂存在下的反应，其中反应在120-250℃下进行，使用过量的乙醇胺，游离乙醇胺与游离和转化三聚氰胺的总和摩尔比 在整个反应时间内不允许低于4:1，并且所述（2-羟乙基） - 三聚氰胺在适用于层压表面的氨基塑料树脂的制备中用作改性剂。

    Aminotriazine derivatives containing glycol ether and their use in coating resins
    4.
    发明授权
    Aminotriazine derivatives containing glycol ether and their use in coating resins 失效
    含有二醇醚的氨基三嗪衍生物及其在涂料树脂中的应用

    公开(公告)号：US5760226A

    公开(公告)日：1998-06-02

    申请号：US765456

    申请日：1997-01-23

    申请人： Manfred Niessner ,  Wolfram Weiss ,  Jurgen Tropsch ,  Matthias Kummer ,  Georg Meichsner

    发明人： Manfred Niessner ,  Wolfram Weiss ,  Jurgen Tropsch ,  Matthias Kummer ,  Georg Meichsner

    IPC分类号： C08L61/32 ,  C08G12/42 ,  C09D161/32 ,  C09D201/00 ,  C09D9/00

    CPC分类号： C08G12/427

    摘要： Binders comprise A) an aminotriazine derivative in which the primary amino groups of the triazine are methylolated on average with at least one mole of formaldehyde per mole of primary amino groups, and these methylol groups are etherified on average with at least 0.5 mol of primary alcohol per mole of methylol group and the primary alcohols are a mixture containing a) 0.5-99.5 mol % of a C.sub.1 -C.sub.4 -alkanol and b) 99.5-0.5 mol % of an alcohol of the formula R.sup.1 --O--�R.sup.2 --O!.sub.n --R.sup.3 --OH I, in which R.sup.1 is C.sub.1 -C.sub.24 -alkyl or C.sub.6 -C.sub.12 -aryl which may be unsubstituted or substituted by from one to three C.sub.1 -C.sub.8 -alkyl groups, and R.sup.2 and R.sup.3 independently of one another are C.sub.2 -C.sub.8 -alkylene and n is an integer from 1 to 100, or of a mixture of higher-boiling alcohols having a boiling point of above 120.degree. C. at 1 bar which contains at least 10 mol %, based on the higher-boiling alcohols, of alcohols of the formula I, and B) a radical polymer, polycondensation product or polyadduct which is crosslinkable with the aminotriazine derivative.

    摘要翻译： PCT No.PCT / EP95 / 02747 Sec。 371日期1997年1月23日 102（e）日期1997年1月23日PCT提交1995年7月13日PCT公布。 出版物WO96 / 03449 日期1996年2月8日粘合剂包括A）氨基三嗪衍生物，其中三嗪的伯氨基平均羟甲基化，每摩尔伯氨基具有至少1摩尔甲醛，并且这些羟甲基平均至少醚化 每摩尔羟甲基0.5摩尔伯醇和伯醇是含有a）0.5-99.5摩尔％的C 1 -C 4烷醇和b）99.5-0.5摩尔％的式R 1 -O-的醇的混合物， R2-O] n-R3-OHI，其中R1是可以是未取代的或被1至3个C1-C8-烷基取代的C1-C24 - 烷基或C6-C12-芳基，R2和R3独立地为一个 另一种是C 2 -C 8 - 亚烷基，n是1至100的整数，或沸点高于120℃的高沸点醇的混合物，其在1巴下含有至少10摩尔％，基于 高沸点醇，式I的醇，以及B）可自由基聚合物，缩聚产物或可交联的聚合物 与氨基三嗪衍生物。

    Coating agents and their preparation, and cathodic electrocoating
    5.
    发明授权
    Coating agents and their preparation, and cathodic electrocoating 失效
    涂层剂及其制备及阴极电泳

    公开(公告)号：US4724244A

    公开(公告)日：1988-02-09

    申请号：US42525

    申请日：1987-04-27

    申请人： Fritz E. Kempter ,  Wolfram Weiss ,  Rolf Osterloh ,  Albrecht Zosel

    发明人： Fritz E. Kempter ,  Wolfram Weiss ,  Rolf Osterloh ,  Albrecht Zosel

    IPC分类号： C09D5/44

    CPC分类号： C09D5/4488

    摘要： Cathodic coating agents which are rendered water-dilutable by the addition of an acid, contain binder systems possessing basic nitrogen groups and may or may not contain pigments, dyes, fillers, solvents, antioxidants, other surface coating assistants and/or additional crosslinking components, the binder system containing sulfonate and/or phosphonate groups or the esters of these groups in an amount of from 0.05 to 3% by weight, and the preparation of such products.The novel coating agents are useful for the cathodic electrocoating of electrically conductive substrates.

    摘要翻译： 通过添加酸可水稀释的阴极涂层剂含有具有碱性氮基团的粘合剂体系，并且可以包含或不包含颜料，染料，填料，溶剂，抗氧化剂，其它表面涂层助剂和/或其它交联组分， 含有磺酸盐和/或膦酸酯基团的粘合剂体系或这些基团的酯的量为0.05-3重量％，以及这些产物的制备。 新颖的涂层剂可用于导电基材的阴极电涂层。

    Preparation of curable etherified aminoplast resins and of surface coating resins
    6.
    发明授权
    Preparation of curable etherified aminoplast resins and of surface coating resins 失效
    可固化醚化氨基塑料树脂和表面涂料树脂的制备

    公开(公告)号：US4621133A

    公开(公告)日：1986-11-04

    申请号：US752067

    申请日：1985-07-05

    申请人： Harro Petersen ,  Gunther Immel ,  Wolfram Weiss ,  Horst Schmidt ,  Gerd Busse

    发明人： Harro Petersen ,  Gunther Immel ,  Wolfram Weiss ,  Horst Schmidt ,  Gerd Busse

    IPC分类号： C08G12/00 ,  C08G12/12 ,  C08G12/40 ,  C08G12/42 ,  C09D161/20 ,  C09D161/32 ,  C08G12/28

    CPC分类号： C09D161/32 ,  C08G12/12 ,  C08G12/422

    摘要： A process for the preparation of curable etherified aminoplast resins based on urea/aldehyde polycondensates, and the preparation of surface coating resins.Urea is first reacted with an .alpha.,.alpha.-dialkylaldehyde, as much as 50 mol % of which may be replaced by formaldehyde, in a molar ratio urea/aldehyde of about 1:2, at from 50.degree. to 120.degree. C., in the presence of an acid and in the presence or absence of an alcohol or of other organic solvents, and the 2-oxohexahydropyrimidine derivative obtained in this cyclocondensation is then condensed with formaldehyde in the presence of one or more alcohols and an acid.These aminoplast resins are useful as both acid-curable resins and as resins for baking finishes.

    摘要翻译： 一种用于制备基于脲/醛缩聚物的可固化醚化氨基塑料树脂的方法，以及制备表面涂料树脂。 尿素首先与α，α-二烷基醛反应，其中多达50摩尔％的甲醛可以用甲醛代替，脲/醛的摩尔比为约1:2，在50-120℃，在 然后在存在或不存在醇或其它有机溶剂的情况下，在该环化缩合中得到的2-氧代六氢嘧啶衍生物在一种或多种醇和酸的存在下与甲醛缩合。 这些氨基塑料树脂可用作酸固化树脂和用作烘烤整理剂的树脂。

    Preparation of aminoplast resins
    9.
    发明授权
    Preparation of aminoplast resins 失效
    氨基塑料树脂的制备

    公开(公告)号：US4387212A

    公开(公告)日：1983-06-07

    申请号：US420318

    申请日：1982-09-20

    申请人： Rainer Hummerich ,  Herbert Hahn ,  Wolfram Weiss ,  Guenther Immel ,  Hans-Joachim Krause ,  Karl-Clemens Peters

    发明人： Rainer Hummerich ,  Herbert Hahn ,  Wolfram Weiss ,  Guenther Immel ,  Hans-Joachim Krause ,  Karl-Clemens Peters

    IPC分类号： C08G12/30 ,  C08G12/32 ,  C08G12/42 ,  C08G4/00 ,  C08G12/00

    CPC分类号： C08G12/30 ,  C08G12/32 ,  C08G12/425

    摘要： A process for the preparation of etherified or non-etherified aminoplast resins, wherein an aminotriazine of the general formula (I) ##STR1## where X is hydrogen, alkyl, phenyl, alkylphenyl or --NH.sub.2, is reacted with a .beta.-hydroxyaldehyde of the general formula (II) ##STR2## where R', R" and R'" are identical or different and each is hydrogen or alkyl, or R" and R'", together with the .alpha.-carbon atom, are a cyclopentane or cyclohexane ring, and R" and/or R'" can be hydroxyalkyl and R" can be phenyl, the reaction being carried out in the presence of not less than one alcohol and an acid catalyst for the preparation of etherified aminoplast resins and in the presence or absence of an acid catalyst for the preparation of non-etherified aminoplast resins. The aminoplast resins prepared according to the invention can be used as surface-coatings raw materials.

    摘要翻译： 用于制备醚化或非醚化的氨基塑料树脂的方法，其中X为氢，烷基，苯基，烷基苯基或-NH 2的通式（I）的氨基三嗪与β - 通式（II）的羟醛通式（II）其中R'，R“和R”'相同或不同，各自为氢或烷基，或R“和R”'连同 α-碳原子是环戊烷或环己烷环，R“和/或R”可以是羟烷基，R“可以是苯基，该反应在不少于一个醇和 用于制备醚化氨基塑料树脂的酸催化剂和用于制备非醚化氨基塑料树脂的酸催化剂存在或不存在。 根据本发明制备的氨基塑料树脂可用作表面涂料原料。