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    • 4. 发明授权
    • Aqueous dispersions for the preparation of crosslinkable coatings
    • 用于制备可交联涂料的水分散体
    • US5008155A
    • 1991-04-16
    • US409082
    • 1989-09-19
    • Dieter EngelJosef MondtKlaus Zimmerschied
    • Dieter EngelJosef MondtKlaus Zimmerschied
    • C09D5/02B05D3/02B05D5/06B05D7/26C09D5/00C09D5/03C09D5/38C09D5/46C09D157/06C09D201/00
    • C09D157/06B05D3/0209B05D3/0254Y10T428/31699Y10T428/31855
    • Aqueous dispersion for the production of crosslinkable surface coatings, containing, as the binder, a crosslinkable dispersion copolymer formed from olefinically unsaturated monomers and, if appropriate, further customary formulation constituents of lacquers, the dispersed particles of copolymer having average particle diameters from 0.5 to 10 .mu.m and the proportion in the dispersion copolymer of comonomer units carrying crosslinkable groups being greater than 10% by weight, relative to the dispersion copolymer.The preparation of the dispersion by emulsion or suspension copolymerization, in particular with the addition of free radical chain transfer substances, and also the use of the dispersion as a constituent of baking lacquers, hydrofillers, metallic paints and EPC paints.Also a process for the bake-coating of surfaces of solid substrates using the abovementioned aqueous dispersion, wherein the required amount of dispersion is applied to the surface to be coated and is dried at a temperature below its minimum film-forming temperature, and the dried coating is crosslinked by baking at a temperature above the glass transition temperature.
    • 用于制备可交联表面涂层的水分散体,其含有由烯属不饱和单体形成的可交联分散体共聚物作为粘合剂,如果合适的话,其含有更多的常规配方成分,共聚物的分散颗粒的平均粒径为0.5-10 相对于分散共聚物,携带可交联基团的共聚单体单元的分散共聚物中的比例大于10重量%。 通过乳液或悬浮共聚法制备分散体,特别是加入自由基链转移物质,以及使用分散体作为烘烤漆,水溶性填料,金属涂料和EPC涂料的组分。 还有一种使用上述水性分散体对固体基质的表面进行烘烤涂覆的方法,其中将所需量的分散体施加到待涂覆的表面上,并在低于其最低成膜温度的温度下干燥,并干燥 涂层通过在高于玻璃化转变温度的温度下烘烤而交联。
    • 6. 发明授权
    • Process for bake coating the surfaces of solid substances
    • 烘烤涂布固体物质表面的工艺
    • US4610898A
    • 1986-09-09
    • US714043
    • 1985-03-19
    • Dieter EngelJosef MondtHelmut Rinno
    • Dieter EngelJosef MondtHelmut Rinno
    • B05D7/14B05D3/02B05D7/24B05D7/26C09D5/00C09D5/02C09D201/00
    • C09D5/02
    • Process for bake coating the surfaces of solid materials by applying the required amount of an aqueous dispersion to the surface to be coated, the dispersion containing, as the binder, a coarse-grained, crosslinkable dispersion copolymer formed from olefinically unsaturated monomers and, if appropriate, further customary lacquer formulation constituents, and the crosslinkable dispersion copolymer being composed of a mixture of at least 2 components which can contain identical or different monomer units, of which at least one component A, which is coarse-grained, has a relatively low average molecular weight, and at least one component B, which can be coarse-grained or fine-grained, has a relatively high average high molecular weight, and the ratio by weight of the components A:B being preferably within the range from 99:1 to 1:1, drying the applied amount of dispersion at a temperature below its minimum film-formation temperature and cross-linking the dried coating by baking at a temperature above the glass transition temperature of the copolymer.
    • 通过将所需量的水分散体施加到待涂覆的表面上来烘烤涂覆固体材料的表面的方法,该分散体含有作为粘合剂的由烯属不饱和单体形成的粗粒度可交联的分散体共聚物,如果合适 ,进一步的常规漆配方组分,以及可交联分散共聚物由至少两种可以含有相同或不同单体单元的组分的混合物组成,其中至少一种粗粒度的组分A具有相对较低的平均值 分子量和至少一种可以是粗粒度或细粒度的组分B具有相对高的平均高分子量,并且组分A:B的重量比优选在99:1的范围内 至1:1,在低于其最低成膜温度的温度下干燥所施加的分散体量,并通过在温度下烘烤使干燥的涂层交联 高于共聚物的玻璃化转变温度。
    • 7. 发明授权
    • Process for the preparation of copolymers containing hydroxyl groups and
the use thereof
    • 制备含羟基的共聚物的方法及其用途
    • US4357455A
    • 1982-11-02
    • US265793
    • 1981-05-21
    • Josef MondtHelmut Rinno
    • Josef MondtHelmut Rinno
    • C08F2/00C08F2/06C08F8/00C08F8/14C08F220/00C08F220/04C08G18/62C08F220/28C08F246/00
    • C08F8/14
    • Process for preparing copolymers soluble in organic solvents and containing hydroxyl groups, by the polymerization and esterification of (a) at least one .alpha.,.beta.-olefinically unsaturated carboxylic acid with (b) at least one olefinically unsaturated copolymerizable monomer and (c) at least one epoxy group-containing compound, at an elevated temperature, in the presence of a polymerization catalyst and, advantageously, a polymerization modifier, characterized in that glycidol, ##STR1## is used as component (c), either alone or in admixture with one or more glycidyl esters with 12 to 19 carbon atoms and derived from saturated fatty acids, the number of epoxy groups being at least equivalent to the number of carboxyl groups, and in mixtures of glycidol with glycidyl esters, the number of equivalents of glycidyl esters is at most twice as great as the number of equivalents of glycidol. The invention further relates to the use of the products obtained for the preparation of air- or oven-drying coating compositions.
    • 通过(a)至少一种α,β-烯属不饱和羧酸与(b)至少一种烯属不饱和可共聚单体的聚合和酯化制备用于制备可溶于有机溶剂并含有羟基的共聚物的方法,(c)至少 一种含环氧基团的化合物,在升高的温度下,在聚合催化剂和有利地,聚合改性剂存在下,其特征在于将缩水甘油作为组分(c),单独使用或与一种 或更多的具有12至19个碳原子并且衍生自饱和脂肪酸的缩水甘油酯,环氧基的数目至少等于羧基数,并且在缩水甘油与缩水甘油酯的混合物中,缩水甘油酯的当量数为 至少是缩水甘油的当量数的两倍。 本发明还涉及获得用于制备空气或烘干涂料组合物的产品的用途。