Polyaspartate resins with improved flexibility
    23.
    发明授权
    Polyaspartate resins with improved flexibility 有权
    聚天冬氨酸树脂具有改善的灵活性

    公开(公告)号:US06774206B2

    公开(公告)日:2004-08-10

    申请号:US10255388

    申请日:2002-09-26

    IPC分类号: C08G7300

    摘要: The present invention relates to polyaspartates corresponding to the formula wherein X1 represents the residue obtained by removing the amino groups from a polyether polyamine having a functionality of n and a number average molecular weight of less than 600, wherein the amino groups are attached to primary carbon atoms and the ether groups are separated by at least two carbon atoms, R1 and R2 are identical or different and represent organic groups which are inert to isocyanate groups at a temperature of 100° C. or less, R3 and R4 are identical or different and represent hydrogen or organic groups which are inert towards isocyanate groups at a temperature of 100° C. or less and n is 2 to 4. The present invention also relates to polyureas prepared by reacting the polyaspartates and optionally other isocyanate-reactive compounds with polyisocyanates.

    摘要翻译: 本发明涉及对应于制备方法的聚天冬氨酸X 1表示通过从官能度为n且数均分子量小于600的聚醚多胺除去氨基而获得的残基,其中氨基与伯碳原子连接, 醚基通过至少两个碳原子分开,R 1和R 2相同或不同,表示在100℃或更低的温度下对异氰酸酯基团呈惰性的有机基团,R 3和R 4相同或不同,表示氢 或在100℃或更低的温度下对异氰酸酯基团呈惰性的有机基团,并且为2至4.本发明还涉及通过聚天冬氨酸酯和任选的其它异氰酸酯反应性化合物与多异氰酸酯反应制备的聚脲。

    POLYESTER-POLACRYLATE DISPERSIONS FOR TWO-COMPONENT COATING COMPOSITIONS
    27.
    发明申请
    POLYESTER-POLACRYLATE DISPERSIONS FOR TWO-COMPONENT COATING COMPOSITIONS 审中-公开
    用于两种组分涂料组合物的聚酯 - 聚丙烯酸酯分散体

    公开(公告)号:US20080214721A1

    公开(公告)日:2008-09-04

    申请号:US12040972

    申请日:2008-03-03

    IPC分类号: C08L67/02

    CPC分类号: C09D175/04

    摘要: The invention relates to aqueous polyester-polyacrylate dispersions based on copolymers, to a process for their preparation, and to aqueous coating compositions based thereon and the use thereof as lacquers. The dispersions are prepared from a polyester component A) that comprises the reaction product of A1) one or more saturated, aliphatic and/or aromatic di-, tri- or tetra-carboxylic acids or their anhydrides, and A2)one ore more diols and/or polyols, and a polyacrylate component B) that comprises the reaction product of B1) one or more OH-group-free (meth)acrylic acid esters and/or vinyl aromatic compounds, B2) one or more hydroxy-functional vinyl monomers or hydroxy-functional (meth)acrylic acid esters, and B3) one or more acid-group-containing monomers capable of free-radical copolymerisation, herein te polyester component A) has a hydroxyl number of from 180 to 300 mg KOH/g substance and an acid number of from 0.5 to 30 mg KOH/g, and the polyacrylate component B) has a hydroxyl number of from 10 to 180 mg KOH/g and an acid number of from 10 to 100 mg KOH/g, and the copolymer has an OH number smaller than that of the polyester component A) and greater than 27 mg KOH/g.

    摘要翻译: 本发明涉及基于共聚物的水性聚酯 - 聚丙烯酸酯分散体,其制备方法以及基于其的水性涂料组合物及其作为漆的用途。 分散体由包含A1)一种或多种饱和,脂族和/或芳族二 - ,三 - 或四 - 羧酸或其酸酐的反应产物的聚酯组分A)制备,和A2)一个或多个二醇和 /或多元醇,和聚丙烯酸酯组分B),其包含B1)一种或多种不含羟基的(甲基)丙烯酸酯和/或乙烯基芳族化合物的反应产物,B2)一种或多种羟基官能的乙烯基单体或 羟基官能(甲基)丙烯酸酯和B3)一种或多种能够自由基共聚的含酸基的单体,此处聚酯组分A)具有180至300mg KOH / g物质的羟值, 酸值为0.5至30mg KOH / g,聚丙烯酸酯组分B)的羟值为10至180mg KOH / g,酸值为10至100mg KOH / g,并且共聚物具有 OH数小于聚酯组分A)和大于27mg KOH / g。

    Polyester-polyacrylate dispersions with reactive diluents based on compounds containing lactone groups
    29.
    发明申请
    Polyester-polyacrylate dispersions with reactive diluents based on compounds containing lactone groups 审中-公开
    聚酯 - 聚丙烯酸酯分散体与基于含内酯化合物的反应性稀释剂

    公开(公告)号:US20060100332A1

    公开(公告)日:2006-05-11

    申请号:US11270218

    申请日:2005-11-09

    IPC分类号: C08K5/05

    摘要: The present invention related to a process for preparing aqueous polyester-polyacrylate dispersions having a cosolvent content of 0 to 5% by weight, based on the weight of the dispersion, by preparing a polymer P) in a first step by polymerizing A) a mixture of vinyl monomers that are capable of free-radical copolymerization, in the presence of B) one or more oligoesters prepared from compounds containing lactone groups and having a hydroxyl number of 145 to 710 mg KOH/g, an acid number of ≦0.5 mg KOH/g solids and an average OH functionality of 2.5 to 5 mg KOH/g solids, and then mixing polymer P) in a second step with C) one or more polyester polyols having a hydroxyl number of 10 to 500 mg KOH/g solids and an acid number of >0.5 to ≦30 mg KOH/g solids and dispersing the resulting polymer mixture in water in a further step, before or after addition of a neutralizing agent. The present invention also relates to the aqueous polyester-polyacrylate polymer dispersions obtained in accordance with the process of the invention and to aqueous coating compositions containing the aqueous polyester-polyacrylate polymer dispersions of the invention.

    摘要翻译: 本发明涉及通过聚合A)混合物在第一步中制备共聚物含量为0-5重量%,基于分散体重量的聚酯 - 聚丙烯酸酯分散体的方法,通过制备聚合物P) 的乙烯基单体在B存在下存在下进行自由基共聚的乙烯基单体:一种或多种由含有内酯基团并且羟值为145至710mg KOH / g的化合物制备的低聚酯,酸值<= 0.5mg KOH / g固体,平均OH官能度为2.5至5mg KOH / g固体,然后在第二步中混合聚合物P)和C)一种或多种羟基数为10至500mg KOH / g固体的聚酯多元醇 并且酸值> 0.5至<= 30mg KOH / g固体,并且在加入中和剂之前或之后将所得聚合物混合物进一步分散在水中。 本发明还涉及根据本发明的方法获得的聚酯 - 聚丙烯酸酯聚合物水分散体和含有本发明的聚酯 - 聚丙烯酸酯聚合物水分散体的水性涂料组合物。