Self-emulsifying aqueous epoxy resin dispersions
    1.
    发明授权
    Self-emulsifying aqueous epoxy resin dispersions 失效
    自乳化水性环氧树脂分散体

    公开(公告)号:US5908902A

    公开(公告)日:1999-06-01

    申请号:US660360

    申请日:1996-06-07

    CPC classification number: C09D163/00 C08F283/10 C08G59/066

    Abstract: A selif-emulsifying epoxy resin (A), prepared from proportions by mass of(A-1) from 50 to 95% of one or more epoxide compounds having at least two epoxide groups per molecule and an epoxide group content of from 300 to 11,200 mmol/kg;(A-2) from 5 to 50% of an aromatic polyol;(A-3) from 0 to 25% of modifying compounds having at least two epoxide-reactive groups;(A-4) from 5 to 25% of an emulsifying product of the condensation of(A-4-a) an aliphatic polyol having a weight-average molar mass M.sub.W of from 200 to 20,000 g/mol and(A-4-b) an epoxide compound having at least two epoxide groups per molecule and an epoxide group content of from 500 to 10,000 mmol/kg,whereby the ratio of the number of OH groups to the number of EP groups is from 1:2 to 1:10 and the epoxide group content of these condensation products (A-4) is between 100 and 6700 mmol/kg.

    Abstract translation: 由(A-1)比例为50〜95%的一种或多种每分子具有至少两个环氧基的环氧化合物和环氧基含量为300〜11,200质量份的乳化环氧树脂(A) mmol / kg; (A-2)5至50%的芳族多元醇; (A-3)0至25%具有至少两个环氧化物反应性基团的改性化合物; (A-4)将(A-4-a)与平均摩尔质量MW为200〜20,000g / mol的脂肪族多元醇缩合的乳化产物的5〜25%和(A-4- b)每分子具有至少两个环氧基团并且环氧基团含量为500至10,000mmol / kg的环氧化合物,其中OH基团数目与EP基团数目的比例为1:2至1:1。 10,这些缩合物(A-4)的环氧基含量为100〜6700mmol / kg。

    Emulsifier from condensing polyether polyol(s) and polyepoxide
    2.
    发明授权
    Emulsifier from condensing polyether polyol(s) and polyepoxide 失效
    缩聚聚醚多元醇和聚环氧化物的乳化剂

    公开(公告)号:US5925725A

    公开(公告)日:1999-07-20

    申请号:US718983

    申请日:1996-09-26

    CPC classification number: C08J3/03 C08G59/04 C08L63/00 C09D163/00 C08J2363/00

    Abstract: An emulsifier composition for water-dilutable epoxy resins comprise condensation products of an aliphatic polyol component having a weight-average molar mass (M.sub.w) of from 200 to 20,000 g/mol, where a mass fraction of at least 5%, has a weight-average molar mass (M.sub.w) of at least 4000 g/mol, and an epoxide component having of at least one epoxide compound having at least two epoxide groups per molecule and an epoxide group content of from 500 to 10,000 mmol/kg, the ratio of the number of hydroxyl groups to that of the epoxide groups (OH):(EP) being from 1:3.51 to 1:10. When the emulsifier is used for the preparation of aqueous epoxy resin systems, the end of the pot life is indicated by a sharp rise in viscosity.

    Abstract translation: 用于水可稀释环氧树脂的乳化剂组合物包括具有重量平均摩尔质量(Mw)为200至20,000g / mol的脂族多元醇组分的缩合产物,其中质量分数至少为5% 平均摩尔质量(Mw)为至少4000g / mol,环氧化物组分具有至少一种每分子具有至少两个环氧基团的环氧化合物,环氧基团含量为500至10,000mmol / kg, 环氧基团(OH)(EP)的羟基数为1:3.51至1:10。 当乳化剂用于制备水性环氧树脂体系时,适用期的结束由粘度的急剧上升表示。

    Stable aqueous epoxy resin dispersion, process for the preparation
thereof and use thereof
    3.
    发明授权
    Stable aqueous epoxy resin dispersion, process for the preparation thereof and use thereof 失效
    稳定的水性环氧树脂分散体,其制备方法和用途

    公开(公告)号:US4987163A

    公开(公告)日:1991-01-22

    申请号:US365545

    申请日:1989-06-13

    CPC classification number: C08G59/182 C08G59/04 C08G59/066 C08G59/226 C08G59/28

    Abstract: The invention relates to a stable epoxy resin dispersions and also a process for the preparation thereof and the use thereof, in particular for coatings. The epoxy resin dispersions which are remarkable, in particular, for good storage stability with a low content of organic solvents at the same time and little tendency to skin formation and yield coatings with good surface properties, contain, in addition to water, optionally small quantities of organic solvents and also optionally usual additives, as an essential constituent a condensation product of(a) 50 to 80% by weight of an epoxy compound containing at least two epoxy groups per molecule and having an epoxy equivalent to of 100 to 2,000.(b) 35 to 17% by weight of an aromatic polyol and(c) 15 to 3% by weight of a condensation product of an aliphatic polyol with a molecular weight (Mw) of 200 to 20,000, an epoxy compound containing at least two epoxy groups per molecule and having an epoxy equivalent of 100 to 2,000, and of a mono- and/or polyisocyanate, the equivalent ratio of the OH groups to the epoxy groups being 1:0.85 to 1:3.5, the quantity of mono- and/or polyisocyanate being 0.05 to 5% by weight, referred to the quantity of aliphatic polyol and epoxy compound, and the epoxy equivalent of said condensation product being between 200 and at least 50,000.

    Abstract translation: 本发明涉及稳定的环氧树脂分散体,以及其制备方法及其用途,特别是用于涂料。 环氧树脂分散体特别显着,具有良好的储存稳定性,同时具有低含量的有机溶剂,并且几乎没有皮肤形成倾向和具有良好表面性质的屈服涂层,除了水之外,还包含任选的少量 的有机溶剂和任选通常的添加剂,作为必要成分的(a)50至80重量%的每分子含有至少两个环氧基并且具有100至2,000的环氧当量的环氧化合物的缩合产物。 (b)35至17重量%的芳族多元醇和(c)15至3重量%的分子量(Mw)为200至20,000的脂族多元醇的缩合产物,含有至少两个 每个分子的环氧基团和100-2000的环氧当量,以及单 - 和/或多异氰酸酯,OH基与环氧基的当量比为1:0.85-1:3.5,单 - 和/ /或多异氰酸酯为0.05〜5重量%,以脂族多元醇和环氧化合物的量计,所述缩合产物的环氧当量为200至至少50,000。

    Process for the preparation of aqueous epoxy resin dispersions
    5.
    发明授权
    Process for the preparation of aqueous epoxy resin dispersions 失效
    制备环氧树脂分散体的方法

    公开(公告)号:US5236974A

    公开(公告)日:1993-08-17

    申请号:US935581

    申请日:1992-08-26

    CPC classification number: C08J3/03 C08J2363/00

    Abstract: A process for the preparation of aqueous epoxy resin dispersions comprising(1) 20 to 75% by weight, based on the total dispersion, of an epoxy resin constituting a condensation product ofa) epoxy compounds having at least one epoxy group per molecule and an epoxide equivalent weight of 90 to 3000 g/mol, andb) aromatic polyols;(2) 3 to 20% by weight, based on the total dispersion, of an emulsifier comprisinga) a condensation product of an aliphatic polyol and an epoxy compound having at least two epoxy groups per molecule and an epoxide equivalent weight of 90 to 3000 g/mol, the equivalent ratio of the OH groups to the epoxy groups being 1:0.85 to 1:1.5 and the epoxide equivalent weight of this condensation product being between 5000 and 400,000 g/mol,b) an organic solvent, andc) water;(3) up to 10% by weight, based on the total dispersion, of organic solvents; and(4) water in an amount to make up to 100% by weight, which comprises stirring the epoxy resin (1) firstly with the emulsifier (2) and, if appropriate, organic solvents corresponding to (3), and then with water.

    Abstract translation: 一种制备水性环氧树脂分散体的方法,其包括(1)基于总分散体的20至75重量%的构成每分子具有至少一个环氧基的环氧化合物和 环氧当量为90〜3000g / mol,b)芳族多元醇; (2)基于总分散体的3至20重量%的乳化剂,其包含a)脂肪族多元醇与每分子具有至少两个环氧基的环氧化合物的缩合产物和环氧当量为90至3000 g / mol,OH基与环氧基的当量比为1:0.85-1:1.5,该缩合产物的环氧当量为5000-4000000g / mol,b)有机溶剂,和c) 水; (3)最多10重量%,基于总分散度的有机溶剂; 和(4)水的含量可达100%(重量),其中包括首先用乳化剂(2)和(3)搅拌环氧树脂(1)和(3)的有机溶剂,然后用水 。

    Aqueous, modified epoxy resin dispersions
    6.
    发明授权
    Aqueous, modified epoxy resin dispersions 失效
    水性改性环氧树脂分散体

    公开(公告)号:US5612394A

    公开(公告)日:1997-03-18

    申请号:US253077

    申请日:1994-06-02

    CPC classification number: C08G59/066 C08F283/10 C08L71/02

    Abstract: Aqueous epoxy resin dispersion comprising (A) an epoxy resin which is a condensation product of (A-1) from 50 to 95% by weight, preferably from 55 to 85% by weight, of one or more epoxide compounds having at least two epoxide groups per molecule and an epoxide equivalent mass of from 100 to 2000 g/mol, (A-2) from 5 to 50% by weight, preferably from 15 to 45% by weight, of an aromatic polyol; and (A-3) from 0 to 25% by weight, preferably from 0 to 10% by weight, of modifying compounds containing at least two epoxide-reactive groups; (B) a dispersant comprising (B-1) a condensation product of a polyol having a weight-average molecular mass (M.sub.w) of from 200 to 20,000 g/mol and an epoxide compound having on average at least two epoxide groups per molecule and an epoxide equivalent mass of from 100 to 10,000 g/mol, and (B-2) if desired other surfactants, preferably nonionic surfactants; (C) a polymer, prepared in this dispersion, of ethylenically unsaturated monomers which are capable of free-radical polymerization or copolymerization; (D) a curing agent for the epoxy resin (A); and (E) if desired, conventional additives and catalysts. These aqueous epoxy resin dispersions are suitable for the production of coatings, in particular for interior coatings of cans for beverages and preserves.

    Abstract translation: 一种水性环氧树脂分散体,其包含(A)环氧树脂,其为(A-1)50至95重量%,优选55至85重量%的一种或多种具有至少两个环氧化物的环氧化合物的缩合产物 (A-2)为5〜50重量%,优选为15〜45重量%的芳香族多元醇的环氧当量为100〜2000克/摩尔, 和(A-3)0至25重量%,优选0至10重量%的包含至少两个环氧化物反应性基团的化合物; (B)分散剂,其包含(B-1)重均分子量(Mw)为200〜20,000g / mol的多元醇与每分子平均具有至少两个环氧基的环氧化合物的缩合物,和 环氧当量为100至10,000g / mol,和(B-2)如果需要其他表面活性剂,优选非离子表面活性剂; (C)在该分散体中制备的能够进行自由基聚合或共聚的烯属不饱和单体的聚合物; (D)环氧树脂(A)的固化剂; 和(E)如果需要,常规添加剂和催化剂。 这些水性环氧树脂分散体适用于制备涂料,特别是用于饮料和保鲜罐的罐的内部涂料。

    Aqueous epoxy resin dispersions
    8.
    发明授权
    Aqueous epoxy resin dispersions 失效
    水性环氧树脂分散体

    公开(公告)号:US5424340A

    公开(公告)日:1995-06-13

    申请号:US216664

    申请日:1994-03-23

    CPC classification number: C08G59/04 C08L63/00 Y10T428/31511

    Abstract: Aqueous epoxy resin dispersions containing(A) an epoxy resin which is a condensation product of one or more epoxy compound(s), of an aromatic polyol and, if used, of a modifying compound having at least two groups which are reactive with epoxides,(B) a dispersing agent in the form of a condensation product of an aliphatic polyol and an epoxy compound, the equivalent ratio of the OH groups to the epoxy groups being 1:0.8 to 1:3.5,(C) a carboxyl-containing or -releasing curing agent for the epoxy resin comprising one or more carboxyl-containing compound(s), at least one of these compounds having a functionality of at least three carboxyl groups per molecule, and(D) if desired customary additives, components (A), (B) and (C) being used in such amounts by weight that the equivalent ratio of the epoxy groups of component (A) capable of reacting to the carboxyl groups of component (B) is at least 1:0.5.

    Abstract translation: 含有(A)环氧树脂的水性环氧树脂分散体,其是一种或多种环氧化合物与芳族多元醇的缩合产物,如果使用的话,具有至少两个与环氧化物反应的基团的改性化合物, (B)脂族多元醇与环氧化合物缩合产物形式的分散剂,OH基与环氧基的当量比为1:0.8至1:3.5,(C)含羧基或 对于包含一种或多种含羧基化合物的环氧树脂的可释放固化剂,每分子具有至少三个羧基官能度的这些化合物中的至少一种,和(D)如果需要,常规添加剂,组分(A ),(B)和(C)以按组分(B)能够与羧基反应的组分(A)的环氧基的当量比至少为1:0.5的重量使用。

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