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    • 82. 发明授权
    • Aqueous solutions or dispersions of self-crosslinking binders, a process
for their production and their use
    • 自交联粘合剂的水溶液或分散体,其生产方法及其用途
    • US4980412A
    • 1990-12-25
    • US441751
    • 1989-11-27
    • Harald Blum
    • Harald Blum
    • C08L35/00C08F8/00C08F8/30C08F8/44C08K5/35
    • C08K5/35C08F8/44C08F2810/20
    • Aqueous solutions or dispersions of self-crosslinking binders based on ionically modified polycarboxylic acid polyanhydrides, wherein the binders dissolved or dispersed in water have(a) a total content of lateral carboxylic acid ester, carboxylic acid thioester or carboxylic acid amide groups of up to 500 milliequivalents per 100 grams solids,(b) a content of chemically incorporated carboxylate groups of from 10 to 500 milliequivalents per 100 grams solids and(c) a content of ammonium groups of from 10 to 500 milliequivalents per 100 grams solids,are prepared which comprises a first reaction step wherein polyanhydrides (A) containing intramolecular carboxylic anhydride groups are at least partly reacted, with or without inert solvents, with blocked amines (B) which are activatible by water and which, in addition to blocked amino groups, contain at least one anhydride-reactive hydroxy, mercapto or amino group, in a molar ratio of anhydride groups to anhydride-reactive groups of 10:1 to 0.8:1 in an ester-, thioester- or amide-forming reaction accompanied by ring opening, and a second reaction step wherein the reaction mixture obtained from the first step is diluted with water and stirred at room temperature or higher until a stable aqueous solution or dispersion is formed.
    • 基于离子改性的多元羧酸聚酐的自交联粘合剂的水溶液或分散体,其中溶解或分散在水中的粘合剂具有(a)高达500的侧向​​羧酸酯,羧酸硫酯或羧酸酰胺基团的总含量 每100克固体的毫当量,(b)每100克固体含有10-500毫当量的化学掺入的羧酸酯基团的含量,和(c)每100克固体含有10-500毫当量的铵基含量,其包含 第一反应步骤,其中含有分子内羧酸酐基团的聚酐(A)至少部分地与(或不与惰性溶剂)反应,与被胺保护的封闭胺(B)部分反应,并且除封闭的氨基以外,还含有至少 一个酸酐反应性羟基,巯基或氨基,酸酐基团与酸酐反应性基团的摩尔比为10:1 在连续开环的酯 - ,硫酯或酰胺形成反应中为0.8:1,第二反应步骤为将第一步得到的反应混合物用水稀释并在室温或更高温度下搅拌直到稳定的水溶液 形成溶液或分散体。
    • 83. 发明授权
    • Process for the production of moisture-hardening binder compositions and
their use
    • 湿固化粘合剂组合物的生产方法及其用途
    • US4975493A
    • 1990-12-04
    • US223803
    • 1988-07-25
    • Harald BlumJosef PedainChristian WamprechtMichael Sonntag
    • Harald BlumJosef PedainChristian WamprechtMichael Sonntag
    • C08L23/00C08F8/32C08K5/35C09D133/04C09D135/00
    • C08K5/35C08F8/32C09D135/00C08F2800/20
    • A moisture-hardening binder composition for lacquer of coating compositions is prepared by mixing(A) 50 to 97 parts by weight of copolymers of maleic anhydride with olefinically unsaturated monomers, said copolymers containing succinic anhydride units and having molecular weights Mw of 1,500 to 75,000 with(B) 3 to 50 parts by weight oxazolanes having a molecular weight Mw of 87 to 10,000,the quantitative ratios of (A) to (B) being such that the composition contains 0.25 to 10 anhydride groups for every oxazolane group,wherein component (A) consists essentially of copolymers of(a) 4.5 to 45 parts by weight of maleic anhydride,(b) 5 to 80 parts by weight of monomers of the formulae ##STR1## or both, and (c) 15 to 92 parts by weight of monomers of the formula ##STR2## wherein, R.sub.1 and R.sub.4 is each, independent of the other, an aliphatic or cycloaliphatic C.sub.1 -C.sub.12 hydrocarbon radical with or without oxygen, sulfur or nitrogen as a heteratom, R.sub.2 is hydrogen, methyl, ethyl, chlorine or fluorine,R.sub.3 is a C.sub.2 -C.sub.15 aliphatic hydrocarbon radical, a C.sub.5 -C.sub.10 cycloaliphatic hydrocarbon radical, a C.sub.7 -C.sub.18 araliphatic hydrocarbon radical, a C.sub.6 -C.sub.12 aromatic hydrocarbon radical, chlorine, fluorine, nitrile or a C.sub.2 -C.sub.18 hydrocarbon radical containing one or more heteroatoms selected from the group consisting of oxygen, sulfur and nitrogen in the form of ether, ester, amide, urethane, urea, thioester, oxirane, ketone, lactam or lactone groups.
    • 通过混合(A)50至97重量份的马来酸酐与烯属不饱和单体的共聚物,所述共聚物含有琥珀酸酐单元并具有1500至75,000的分子量Mw,制备用于涂料组合物漆的湿润硬化粘合剂组合物, (B)3〜50重量份的分子量Mw为87〜10,000的恶唑烷,(A)〜(B)的定量比为每个恶唑烷基组成含有0.25〜10个酸酐基,其中组分( A)基本上由(a)4.5至45重量份马来酸酐的共聚物组成,(b)5-80重量份式(IMAGE)或两者的单体,和(c)15至92重量份 具有下式的单体:其中,R 1和R 4各自独立地为具有或不具有氧,硫或氮作为杂原子的脂族或脂环族C 1 -C 12烃基,R 2为氢,甲基,乙基, 氯或氟 ne,R 3是C 2 -C 15脂族烃基,C 5 -C 10脂环族烃基,C 7 -C 18芳脂族烃基,C 6 -C 12芳烃基,氯,氟,腈或含有一个的C 2 -C 18烃基 或更多选自醚,酯,酰胺,氨基甲酸酯,脲,硫酯,环氧乙烷,酮,内酰胺或内酯基团的氧,硫和氮的杂原子。