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    • 2. 发明申请
    • Self-crosslinking polyurethane dispersions and a process for their preparation
    • 自交联聚氨酯分散体及其制备方法
    • US20070004856A1
    • 2007-01-04
    • US11475691
    • 2006-06-27
    • Jan MazanekDorota Greszta-FranzSebastian DorrJurgen MeixnerReinhard HalpaapHelmut MullerOlaf FleckHeino Muller
    • Jan MazanekDorota Greszta-FranzSebastian DorrJurgen MeixnerReinhard HalpaapHelmut MullerOlaf FleckHeino Muller
    • C08G18/08
    • C08G18/8064C08G18/0823C08G18/4219C08G18/8048C08G18/807C08G18/8077C09D175/06
    • The present invention relates to a process for preparing self-crosslinking polyurethane dispersions by I) reacting a1) polyisocyanates with a2) at least one hydroxyl component having an average OH functionality of ≧2 and a number average molecular weight of 62 to 2500 g/mol, wherein the hydroxyl component contains at least one acid-functional compound containing at least one isocyanate-reactive group, to form an NCO-functional and optionally OH-functional prepolymer, II) then reacting the NCO-functional and optionally OH-functional prepolymer with a3) a hydroxyl component having an average OH functionality of >1 and a4) optionally another polyisocyanate component, which may be the same as or different from a1), to form an OH-functional and NCO-free polyurethane, III) adding a blocked polyisocyanate either before, during or after the reaction of steps I) and II), or forming a blocked polyisocyanate in situ from a polyisocyanate and a blocking agent after the reaction of step II) has taken place, IV) neutralizing the acid groups of the resulting composition by adding a5) a neutralizing agent, and V) dispersing the resulting composition in water. The present invention also relates to the dispersions prepared by the present invention and to their use in coating, adhesive and sealant compositions.
    • 本发明涉及一种制备自交联聚氨酯分散体的方法,其方法是使a1)多异氰酸酯与a2)至少一种平均OH官能度> = 2,数均分子量为62〜2500g / mol,其中所述羟基组分含有至少一种含有至少一个异氰酸酯反应性基团的酸官能化合物,以形成NCO-官能和任选的OH-官能预聚物,II)然后使所述NCO-官能和任选的OH-官能预聚物 其中a3)具有平均OH官能度> 1的羟基组分和a4)任选地可以与a1)相同或不同的另一种多异氰酸酯组分,以形成OH-官能和无NCO的聚氨酯,III)加入 在步骤I)和II)的反应之前,期间或之后封闭的多异氰酸酯,或在步骤II)的反应之后由多异氰酸酯和封闭剂原位形成封端多异氰酸酯具有ta 呃地方,IV)通过添加a)中和剂中和所得组合物的酸基,和V)将得到的组合物分散在水中。 本发明还涉及由本发明制备的分散体及其在涂料,粘合剂和密封剂组合物中的用途。
    • 7. 发明授权
    • Polyurethane-based thickeners for aqueous compositions
    • 用于水性组合物的聚氨酯类增稠剂
    • US5612408A
    • 1997-03-18
    • US593036
    • 1996-01-29
    • Klaus KonigJurgen SchwindtJan MazanekJosef PedainManfred DietrichGerhard KleinKarl-Roland Jerg
    • Klaus KonigJurgen SchwindtJan MazanekJosef PedainManfred DietrichGerhard KleinKarl-Roland Jerg
    • C09K3/00C08G18/28C08G18/48C08G65/28C08L75/00C08L75/08C09D7/00C09D175/00C09D175/04C08G18/12C08G18/42
    • C08G18/4833C08G18/283C09D7/002C08L75/04
    • The present invention relates to a process for the preparation of polyurethanes suitable for use as thickeners for aqueous compositions by reacting at an NCO/OH equivalent ratio of 0.9:1 to 1.2:1a) a polyether component having an OH number of 10 to 30 mg KOH/g and obtained by the alkoxylation of a mixture ofa1) 30 to 80 mole % of a monofunctional alcohol or alkylphenol having 8 to 30 carbon atoms,a2) 2 to 10 mole % of sodium hydroxide or potassium hydroxide,a3) 10 to 60 mole % of water anda4) 0 to 10 mole % of a trihydric to hexahydric alcohol having a molecular weight of 92 to 600, with ethylene oxide or a mixture of ethylene oxide with up to 20 mole %, based on the total moles of alkylene oxides, of propylene oxide, in which the percentages of a1) to a4) add up to 100,withb) a polyisocyanate component containing at least one organic diisocyanate, optionally in admixture with up to 20 mole %, based on the total moles of component b), of higher than difunctional polyisocyanates.The invention also relates to the polyurethanes obtainable by this method and their use, optionally in combination with other thickeners, for the thickening of aqueous systems.
    • 本发明涉及一种制备适合用作水性组合物增稠剂的聚氨酯的方法,其通过以0.9:1至1.2:1的NCO / OH当量比反应a)OH数为10至30的聚醚组分 mg KOH / g,通过a1)30〜80摩尔%的单官能醇或碳原子数为8〜30的烷基酚的混合物的烷氧基化得到,a2)2〜10摩尔%的氢氧化钠或氢氧化钾,a3)10 至60摩尔%的水和a4)0至10摩尔%的分子量为92至600的三元至六元醇与环氧乙烷或环氧乙烷的混合物至多20摩尔%,基于总摩尔数 的环氧丙烷,其中a1)至a4)的百分比加到100,其中b)含有至少一种有机二异氰酸酯的多异氰酸酯组分,任选地与至多20摩尔%的混合物,基于总计 组分b)的摩尔数高于双官能多异氰酸酯。 本发明还涉及通过该方法获得的聚氨酯,以及它们用于任选与其它增稠剂组合的用于增稠水性体系的用途。
    • 8. 发明授权
    • Alkoxylated aminopolyethers, a process for their preparation
    • 烷氧基化氨基聚醚,其制备方法
    • US4739094A
    • 1988-04-19
    • US807388
    • 1985-12-10
    • Jan MazanekHanns P. MullerRoland NastWolfgang OberkirchFranz-Moritz RichterWalter Schafer
    • Jan MazanekHanns P. MullerRoland NastWolfgang OberkirchFranz-Moritz RichterWalter Schafer
    • F23K1/02C08G65/26C08G65/32C10L1/32
    • C10L1/326C08G65/2624
    • New alkoxylated aminopolyethers of the formula ##STR1## in which Q denotes a polyalkylene oxide radical which has a valency corresponding to n, which has a structure derived from an aminopolyether by removal of the terminal amino groups and which has an average molecular weight of 82 to 30,000,A.sub.1 and A.sub.2 denote identical or different mono- or polyalkylene oxide radicals of the type (RO).sub.y,whereineach radical R represents an alkylene radical with 2 to 40 C atoms andy represents an integer from 1 to 200,B.sub.1 and B.sub.2 denote identical or different mono- or polyalkylene oxide radicals of the type (R'O).sub.z,whereinat least 50% of the R' radicals represent a --CH.sub.2 --CH.sub.2 -- group,the other R' radicals which may be present each represent an alkylene radical with 3 to 40 C atoms andz represents an integer from 1 to 300,Z denotes hydrogen, ##STR2## wherein M.sup..sym. represents one equivalent of a metal ion or represents NH.sub.4.sup..sym. andn denotes an integer from 1 to 30,a process for their preparation and coal/water slurries containing them.
    • 其中Q表示具有对应于n的化合价的聚亚烷基氧基的新的烷氧基化氨基聚醚,其具有通过除去末端氨基而衍生自氨基聚醚的结构,其平均分子量为82〜 30,000,A1和A2表示类型(RO)y相同或不同的单 - 或聚环氧烷基,其中每个基团R表示具有2至40个C原子的亚烷基,y表示1至200的整数,B1和B2 表示类型(R'O)z的相同或不同的单 - 或聚环氧烷基团,其中至少50%的R'基团表示-CH 2 -CH 2 - 基团,可以存在的另一个R'基团表示 具有3至40个C原子的亚烷基,z表示1至300的整数,Z表示氢,其中M(+)表示1当量的金属离子或表示NH 4(+),n表示 1〜30,其制备方法和煤/ 含水的泥浆含有它们。