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    • 5. 发明授权
    • Latently crosslinking aqueous dispersions containing a polyurethane
    • 含有聚氨酯的水性分散体
    • US06767954B2
    • 2004-07-27
    • US10113296
    • 2002-04-02
    • Bernd Meyer-RoscherAndre BurghardtUlrike Licht
    • Bernd Meyer-RoscherAndre BurghardtUlrike Licht
    • C08J300
    • C08G18/797C08G18/0828C08G18/10C08L33/00C09J175/04Y10T428/31551
    • Latently crosslinking aqueous polyurethane dispersions contain I) a disperse phase (P.I) containing Ia) a polyurethane (Ia) which, in addition to hydrophilic groups which produce water dispersibility, carries carbodiimide groups and substantially no carboxyl groups or Ib) a physical mixture of Ibi) a polyurethane (Ibi) which carries hydrophilic groups which produce water dispersibility and carries substantially no carbodiimide or carboxyl groups, and Ibii) a carbodiimide (Ibii) which carries substantially no hydrophilic groups which produce water dispersibility, and II) a disperse phase (P.II) containing another polymer (II) which carries substantially no carbodiimide groups and is substantially derived from II.1) from 30 to 99.98% by weight of main monomers selected from C1- to C20-alkyl (meth)acrylates, vinyl esters of carboxylic acids of up to 20 carbon atoms, vinylaromatics of up to 20 carbon atoms, ethylenically unsaturated nitriles, vinyl halides and aliphatic hydrocarbons having 2 to 8 carbon atoms and 1 or 2 double bonds, II.2) from 0.01 to 20% by weight of a carboxylic acid having an olefinic double bond and II.3) from 0.01 to 10% by weight of a monomer differing from the monomers II.1 and II.2 and selected from the group consisting of N-methylol (meth)acrylamide (AMOL), (MAMOL), acetoacetoxyethyl (meth)acrylate, diacetone (meth)acrylamide, glycidyl (meth)acrylate, ureido (meth)acrylate and (meth)acrylic anhydride, and II.4) if required, monomers differing from (II.1), (II.2) and (II.3) and capable of free radical polymerization.
    • 潜在交联的水性聚氨酯分散体含有I)含有I)聚氨酯(Ia)的分散相(PI),除了产生水分散性的亲水基团之外,聚氨酯(Ia)还含有碳二亚胺基团并且基本上不含羧基,或Ib)Ibi的物理混合物 Ibi),其携带产生水分散性且基本上不携带碳二亚胺或羧基的亲水基团,和Ibii)基本上不具有产生水分散性的亲水基团的碳二亚胺(Ibii),和II)含有另一种聚合物的分散相(P.II) (II),其基本上不携带碳二亚胺基团,并且基本上衍生自II.1)30至99.98重量%的选自C 1 -C 20烷基(甲基)丙烯酸酯的主要单体,至多20个碳原子的羧酸的乙烯基酯 原子,高达20个碳原子的乙烯基芳烃,烯属不饱和腈,乙烯基卤化物和具有2至8个碳原子的脂族烃 碳原子和1或2个双键,II.2)0.01至20重量%的具有烯属双键的羧酸和II.3)0.01至10重量%的不同于单体II.1的单体 选自N-羟甲基(甲基)丙烯酰胺(AMOL),(MAMOL),(甲基)丙烯酸乙酰乙酰氧基乙酯,双丙酮(甲基)丙烯酰胺,(甲基)丙烯酸缩水甘油酯,脲基(甲基)丙烯酸酯和 (甲基)丙烯酸酐,以及II.4)如果需要,不同于(II.1),(II.2)和(II.3)并且能够进行自由基聚合的单体。
    • 9. 发明申请
    • Aqueous Polyurethane Dispersions With A Small Content Of Cyclic Compounds
    • 具有小量环状化合物的水性聚氨酯分散体
    • US20080139741A1
    • 2008-06-12
    • US11815340
    • 2006-02-09
    • Andre BurghardtBarbel MeyerKarl HaberleKarl-Heinz SchumacherUlrike Licht
    • Andre BurghardtBarbel MeyerKarl HaberleKarl-Heinz SchumacherUlrike Licht
    • C08G18/02
    • C08G18/42C08G18/0823C08G18/0866C08G2290/00C09D175/04C09J175/04
    • Aqueous dispersions comprising a polyurethane synthesized froma) diisocyanates,b) diols of whichb1) from 10 to 100 mol %, based on the total amount of diols (b), have a molecular weight of from 500 to 5 000, andb2) from 0 to 90 mol %, based on the total amount of diols (b), have a molecular weight of from 60 to 500 g/mol,c) monomers other than the monomers (a) and (b), containing at least one isocyanate group or at least one isocyanate-reactive group and further carrying at least one hydrophilic group or potentially hydrophilic group by means of which the polyurethane is made dispersible in water,d) if appropriate, further, polyfunctional compounds other than the monomers (a) to (c), containing reactive groups which are alcoholic hydroxyl groups, primary or secondary amino groups or isocyanate groups, ande) if appropriate, monofunctional compounds other than the monomers (a) to (d), containing a reactive group which is an alcoholic hydroxyl group, a primary or secondary amino group or an isocyanate group,wherein the diols b1 comprise less than 0.5 part by weight of cyclic compounds per 100 parts by weight of diols b1.
    • 基于二醇(b)的总量,包含由a)二异氰酸酯,b)二醇(其中b 1〜2)合成的水分散体为10〜100摩尔%,分子量为 500〜5000,b 2 O 2)为0〜90摩尔%,基于二醇(b)的总量,分子量为60〜500g / mol,c)单体 除了含有至少一个异氰酸酯基团或至少一个异氰酸酯反应性基团的单体(a)和(b)以外,还含有至少一个亲水基团或潜在的亲水基团,通过该基团将聚氨酯分散在水中, d)如果合适,还可以含有单体(a)至(c)以外的含有醇羟基,伯或仲氨基或异氰酸酯基团的反应性基团的多官能化合物,以及e)如果合适,除 单体(a)〜(d),其含有醇性羟基的反应性基团 或仲氨基或异氰酸酯基,其中每100重量份二醇b1,二醇b 1包含小于0.5重量份的环状化合物。