Water dilutable, polyester polyols and their use in coating compositions
    1.
    发明授权
    Water dilutable, polyester polyols and their use in coating compositions 失效
    水可稀释的聚酯多元醇及其在涂料组合物中的用途

    公开(公告)号:US5349041A

    公开(公告)日:1994-09-20

    申请号:US61640

    申请日:1993-05-12

    Abstract: The present invention relates to water dilutable, urethane group-containing polyester polyols having an acid number of 6 to 45 mg KOH/g, wherein 25 to 100% of the acid groups are neutralized by bases, a hydroxyl number of 20 to 250 mg KOH/g, a molecular weight (M.sub.w) of 2,000 to 150,000 and a urethane content (--NH--CO--O--) of 2 to 16% by weight, wherein the polyester polyol is the at least partly neutralized reaction product ofa) 35 to 90% by weight of branched polyester polyols having a hydroxyl number of 40 to 600 and prepared froma1) 0 to 60% by weight of monocarboxylic acids,a2) 6 to 65% by weight of di- and/or tricarboxylic acids or their anhydrides,a3) 10 to 70% by weight of alcohols,a4) 0 to 35% by weight of monoalcohols,a5) 0 to 30% by weight of hydroxycarboxylic acids, aminocarboxylic acids, lactones, lactams and aminoalcohols anda6) 0 to 45% by weight of polycarbonate polyols,b) 0.5 to 8.5% by weight of hydroxycarboxylic acidsc) 0 to 15% by weight of compounds containing OH, NH and/or NH.sub.2 groups and having a molecular weight of 32 to 500,d) 3 to 33% by weight of compounds containing isocyanate groups and having a molecular weight of 168 to 2,000 ande) 0 to 45% by weight of polycarbonate polyols,wherein the percentages of a) to e) and a1) to a6) add up to 100% and wherein the urethane group-containing polyester polyols contain 1 to 25% by weight of carbonate groups (--0--CO--O--) incorporated through components e) and/or a6).

    Abstract translation: 本发明涉及酸值为6〜45mg KOH / g的水可稀释的含氨基甲酸酯基的聚酯多元醇,其中25〜100%的酸基被碱中和,羟基数为20〜250mg KOH / g,分子量(Mw)为2000〜150,000,氨基甲酸酯含量(-NH-CO-O-)为2〜16重量%,其中聚酯多元醇为a)35的至少部分中和的反应产物 至90重量%的羟基数为40至600的支链聚酯多元醇,并由a1)0至60重量%的单羧酸制备,a2)6至65重量%的二 - 和/或三羧酸或它们的 酸酐,a3)10至70重量%的醇,a4)0至35重量%的一元醇,a5)0至30重量%的羟基羧酸,氨基羧酸,内酯,内酰胺和氨基醇,和a)0至45 重量百分比的聚碳酸酯多元醇,b)0.5至8.5%重量的羟基羧酸c)0至15%(重量)的含 OH,NH和/或NH 2基团,分子量为32〜500,d)3〜33重量%的含异氰酸酯基,分子量为168〜2000的化合物,e)0〜45重量% 聚碳酸酯多元醇,其中a)至e)和a1)至a6)的百分比加至100%,其中含氨基甲酸酯基的聚酯多元醇含有1至25重量%的碳酸酯基(-O-CO-O- )通过组分e)和/或a6)合并。

    Polyisocyanates containing ester groups, a process for the production of
these polyisocyanates and their use in polyurethane coating compositions
    2.
    发明授权
    Polyisocyanates containing ester groups, a process for the production of these polyisocyanates and their use in polyurethane coating compositions 失效
    含有酯基的聚异氰酸酯,生产这些聚异氰酸酯的方法及其在聚氨酯涂料组合物中的用途

    公开(公告)号:US5096994A

    公开(公告)日:1992-03-17

    申请号:US561770

    申请日:1990-08-02

    CPC classification number: C07H13/04 C07C265/04 C08G18/771

    Abstract: The present invention relates to polyisocyanates which contain ester groups and havea) a content of aliphatically bound isocyanate groups of 18 to 33% by weight,b) an average NCO functionality of 4.1 to 10, preferably from 4.5 to 10, andc) a viscosity of 200 to 2,5000 mPa.s at 22.degree. C.The present invention also relates to preferred polyisocyanates which contain ester groups and havea) a content of aliphatically bound isocyanate groups of 20 to 33% by weight,b) an average NCO functionality of 5 to 8 andc) a viscosity of 500 to 1,000 mPa.s at 22.degree. C.The present invention further relates to a process for the preparation of these preferred polyisocyanates by reacting isocyanatocarboxylic acid chlorides with O-silylated, polyhydric alcohols at a temperature of about 50.degree. to 150.degree. C. Finally, the present invention relates to the use of the polyisocyanates as the isocyanate component for two-component polyurethane coating compositions.

    Abstract translation: 本发明涉及含有酯基并且具有以下特征的多异氰酸酯:a)脂肪族结合的异氰酸酯基团的含量为18〜33重量%,b)平均NCO官能度为4.1〜10,优选为4.5〜10,以及c) 22℃下的粘度为200〜25000mPa.s。本发明还涉及优选的含有酯基的多异氰酸酯,其具有a)含有20〜33重量%的脂肪族结合的异氰酸酯基的含量,b)平均 NCO官能度为5至8,和c)在22℃下的粘度为500至1,000mPa.s。本发明还涉及通过使异氰酸酯基羧酸与O-甲硅烷基化的多元醇反应来制备这些优选的多异氰酸酯的方法 在约50℃至150℃的温度下进行。最后,本发明涉及多异氰酸酯作为双组分聚氨酯涂料组合物的异氰酸酯组分的用途。

    Stabilized polyisocyanates
    3.
    发明授权
    Stabilized polyisocyanates 失效
    稳定的聚异氰酸酯

    公开(公告)号:US5068402A

    公开(公告)日:1991-11-26

    申请号:US555872

    申请日:1990-07-20

    Abstract: The present invention is directed to polyisocyanates containing a stabilizing amount of a carboxylic acid corresponding to the formula ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 represent hydrogen or C.sub.1 -C.sub.5 -alkyl andX and Y represent hydrogen, chlorine or methyl, with the proviso that when X=Cl, Y=H or CH.sub.3 and when Y=Cl, X=H or CH.sub.3.The present invention is also directed to the use of the stabilized polyisocyanates as binders for coating compositions, sealing compounds and adhesives.

    Abstract translation: 本发明涉及含有稳定量的对应于下式的羧酸的多异氰酸酯,其中R1,R2和R3代表氢或C1-C5-烷基,X和Y代表氢,氯或甲基,条件是 当X = Cl,Y = H或CH 3,当Y = Cl时,X = H或CH 3。 本发明还涉及使用稳定化的多异氰酸酯作为涂料组合物,密封化合物和粘合剂的粘合剂。

    High solids polyurethane-urea dispersions having improved storage
stability
    9.
    发明授权
    High solids polyurethane-urea dispersions having improved storage stability 有权
    具有改进的储存稳定性的高固体聚氨酯 - 脲分散体

    公开(公告)号:US06084051A

    公开(公告)日:2000-07-04

    申请号:US318356

    申请日:1999-05-25

    CPC classification number: C08G18/0866 C08G18/0823 C09D175/06

    Abstract: The present invention relates to aqueous polyurethane-urea dispersions having a resin solids content of at least 35 wt. % and a pH of at least 7.5 which are prepared bya) forming an isocyanate-terminated prepolymer by reacting a difunctional polyol having a molecular weight of 500 to 6000, a low molecular weight alcohol, a diisocyanate and/or triisocyanate and an isocyanate-reactive compound which has an acid group,b) neutralizing 65% to 95% of the acid groups prior to dispersing the prepolymer in water,c) dispersing the neutralized prepolymer in water,d) chain extending the isocyanate groups with water to form a polyurethane-urea, ande) after completion of the chain extending reaction adding additional neutralizing agent to provide a total amount of neutralizing agent that is sufficient to neutralize at least 115% of the acid groups of component D),wherein the polyurethane-urea contains 1.0 to 4.0%, based on resin solids, of the isolated urea groups. The present invention also relates to a process for the preparation of these polyurethane-urea dispersions and to their use in coating compositions.

    Abstract translation: 本发明涉及树脂固体含量至少为35重量%的水性聚氨酯 - 脲分散体。 %,pH至少为7.5,其通过以下步骤制备:a)通过使分子量为500至6000的双官能多元醇,低分子量醇,二异氰酸酯和/或三异氰酸酯与异氰酸酯 - 具有酸基的反应性化合物,b)在将预聚物分散在水中之前中和65%至95%的酸基,c)将中和的预聚物分散在水中,d)用水延伸异氰酸酯基团以形成聚氨酯 - 脲,和e)在扩链反应完成后,加入另外的中和剂以提供足以中和组分D)的至少115%酸基团的中和剂的总量,其中聚氨酯 - 尿素含有1.0 至4.0%,基于树脂固体,分离的脲基团。 本发明还涉及制备这些聚氨酯 - 脲分散体的方法及其在涂料组合物中的用途。

    Aqueous binder compositions and their use in heat curable coating
compositions
    10.
    发明授权
    Aqueous binder compositions and their use in heat curable coating compositions 失效
    水性粘合剂组合物及其在可热固化涂料组合物中的用途

    公开(公告)号:US6166111A

    公开(公告)日:2000-12-26

    申请号:US504610

    申请日:1995-07-20

    CPC classification number: C09D167/06 C08L2666/36 C08L61/20

    Abstract: An aqueous binder composition having a reduced tendency to yellow containingA) 20 to 95 wt-% of a water-dilutable organic polyol component that is present in the form of an aqueous solution or dispersion, contains one or more polymer-modified polyester resins which contain carboxylate groups and hydroxyl groups and has been prepared by the polymerization of olefinically unsaturated monomers in the presence of an unsaturated polyester resin that is copolymerized with the monomers andB) 5 to 80 wt-% of at least one heat-activatable cross-linking resin,wherein the percentages are based on the solids contents of components A) and B) and add up to 100%; and their use in heat-curable coating compositions.

    Abstract translation: 具有降低的黄色倾向的水性粘合剂组合物含有A)20至95重量%的以水溶液或分散体形式存在的水可稀释的有机多元醇组分含有一种或多种聚合物改性的聚酯树脂, 含有羧酸酯基和羟基,并且通过在与单体共聚的不饱和聚酯树脂的存在下烯属不饱和单体的聚合制备,B)5-80重量%的至少一种可热激活的交联 树脂,其中百分比基于组分A)和B)的固体含量,并加起来至100%; 以及它们在可热固化涂料组合物中的用途。

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