Copolymers crosslinking at room temperature
    2.
    发明授权
    Copolymers crosslinking at room temperature 失效
    共聚物在室温下交联

    公开(公告)号:US5350823A

    公开(公告)日:1994-09-27

    申请号:US135617

    申请日:1993-10-14

    摘要: Copolymers are composed ofa) from 0.01 to 40% by weight of a copolymerized ethylenically unsaturated compound having at least one isocyanate group blocked with an oxime,b) from 30 to 99.99% by weight of at least one C.sub.1 -C.sub.20 -alkyl (meth)acrylate, one vinyl ester of carboxylic acids of 1 to 20 carbon atoms, one vinylaromatic of up to 20 carbon atoms, one ethylenically unsaturated nitrile of 3 to 6 carbon atoms, one vinyl halide or one nonaromatic hydrocarbon of 4 to 8 carbon atoms having at least 2 conjugated double bonds,c) from 0 to 30% by weight of at least one comonomer having at least one keto or aldehyde group andd) from 0 to 50% by weight of at least one further monomer.

    摘要翻译: 共聚物由以下组成:a)0.01〜40重量%的具有至少一个被肟封端的异氰酸酯基团的共聚烯属不饱和化合物,b)30〜99.99重量%的至少一种C 1 -C 20烷基(甲基 )丙烯酸酯,1〜20个碳原子的羧酸的一个乙烯基酯,至多20个碳原子的一个乙烯基芳族化合物,一个3-6个碳原子的烯键式不饱和腈,一个乙烯基卤化物或一个4-8个碳原子的非芳族烃,具有 至少2个共轭双键,c)0至30重量%的至少一种具有至少一个酮基或醛基的共聚单体,以及d)0至50重量%的至少一种其它单体。

    Copolymers crosslinking at room temperature
    4.
    发明授权
    Copolymers crosslinking at room temperature 失效
    共聚物在室温下交联

    公开(公告)号:US5395892A

    公开(公告)日:1995-03-07

    申请号:US258216

    申请日:1994-06-10

    摘要: Copolymers are composed ofa) from 0.01 to 40% by weight of a copolymerized ethylenically unsaturated compound having at least one isocyanate group blocked with an oxime,b) from 30 to 99.99% by weight of at least one C.sub.1 -C.sub.20 -alkyl (meth)acrylate, one vinyl ester of carboxylic acids of 1 to 20 carbon atoms, one vinylaromatic of up to 20 carbon atoms, one ethylenically unsaturated nitrile of 3 to 6 carbon atoms, one vinyl halide or one nonaromatic hydrocarbon of 4 to 8 carbon atoms having at least 2 conjugated double bonds,c) from 0 to 30% by weight of at least one comonomer having at least one keto or aldehyde group andd) from 0 to 50% by weight of at least one further monomer.

    摘要翻译: 共聚物由以下组成:a)0.01〜40重量%的具有至少一个被肟封端的异氰酸酯基团的共聚烯属不饱和化合物,b)30〜99.99重量%的至少一种C 1 -C 20烷基(甲基 )丙烯酸酯,1至20个碳原子的羧酸的一个乙烯基酯,至多20个碳原子的一个乙烯基芳族化合物,一个3-6个碳原子的烯属不饱和腈,一个乙烯基卤化物或一个具有4-8个碳原子的非芳族烃,具有 至少2个共轭双键,c)0至30重量%的至少一种具有至少一个酮基或醛基的共聚单体,以及d)0至50重量%的至少一种其它单体。

    Nonaqueous polyisocyanate formulation
    5.
    发明授权
    Nonaqueous polyisocyanate formulation 失效
    非水多异氰酸酯制剂

    公开(公告)号:US5387367A

    公开(公告)日:1995-02-07

    申请号:US206893

    申请日:1994-03-07

    摘要: Nonaqueous polyisocyanate formulation containinga) one or more aliphatic polyisocyanates having a mean NCO functionality of from 2.5 to 3.5 andb) an amount, which ensures that the polyisocyanate is dispersible, of a reaction product of a diisocyanate selected from the group consisting of tetramethylene diisocyanate, hexamethylene diisocyanate, dodecamethylene diisocyanate, 1,4-diisocyanatocyclohexane, 4,4'-di-(isocyanatocyclohexyl)-methane, diisocyanatotrimethylhexane, diisocyanatotetramethylhexane, 1-isocyanato-3,3,5-trimethyl-5-(isocyanatomethyl)-cyclohexane, toluylene 2,4- and 2,6-diisocyanate, tetramethylxylylene diisocyanate, p-xylylene diisocyanate, 2,4'- and 4,4'-diisocyanatodiphenylmethane and a mixture of two or more of these diisocyanates with a monohydric or polyhydric polyalkylene ether alcohol where the alkylene groups are of 2 to 4 carbon atoms and which contains a polyether chain having 8 or more ethylene oxide units,are prepared and are used in aqueous coating materials and in adhesive dispersions.

    摘要翻译: 含有a)一种或多种平均NCO官能度为2.5至3.5的脂族多异氰酸酯和b)确保多异氰酸酯可分散的量的二异氰酸酯选自四亚甲基二异氰酸酯 ,六亚甲基二异氰酸酯,十二亚甲基二异氰酸酯,1,4-二异氰酸根合环己烷,4,4'-二(异氰酸根合环己基)甲烷,二异氰酸根合三甲基己烷,二异氰酸根合四甲基己烷,1-异氰酸酯基-3,3,5-三甲基-5-(异氰酸甲酯基) 对甲苯基2,4-和2,6-二异氰酸酯,四甲基亚二甲苯基二异氰酸酯,对亚二甲苯基二异氰酸酯,2,4'-和4,4'-二异氰酸二苯基甲烷以及这些二异氰酸酯中的两种或更多种与一元或多元聚亚烷基醚醇 其中亚烷基为2至4个碳原子并且含有具有8个或更多个环氧乙烷单元的聚醚链,并且用于水性涂料材料 als和粘合剂分散体。

    Aqueous polyurethane dispersions
    6.
    发明授权
    Aqueous polyurethane dispersions 失效
    水性聚氨酯分散体

    公开(公告)号:US5308914A

    公开(公告)日:1994-05-03

    申请号:US973949

    申请日:1992-11-09

    摘要: Aqueous dispersions containing a polyurethane and from 5 to 60% by weight, based on the polyurethane, of an adhesion-improving polymer, the polyurethane consisting essentially of(a) organic diisocyanates,(b) dihydroxy compounds which have a molecular weight of from more than 500 to 5,000 g/mol and contain no ionic groups or groups convertible into ionic groups,(c) compounds having one or two functional groups reactive toward isocyanate and at least one ionic group or group convertible into an ionic group and(d) compounds having at last 3 isocyante groups or at least 3 functional groups reactive toward isocyanate,(e) optionally compounds which differ from (c) and have two functional groups reactive toward isocyanate and a molecular weight of from 60 to 500 g/mol, the compounds (d) being used in amounts such that the functionality F of all components is from 2.01 to 2.5, and the polyurethane or a prepolymer thereof is prepared in a water-miscible solvent boiling below 100.degree. C. and, after addition of the adhesion-improving polymer, is dispersed in water.

    摘要翻译: 含有聚氨酯的水分散体和基于聚氨酯的5至60重量%的粘合性改进聚合物,所述聚氨酯基本上由(a)有机二异氰酸酯,(b)分子量多于二的二羟基化合物 (c)具有一个或两个对异氰酸酯反应的官能团的化合物和至少一个可转换成离子基团的离子基团或基团,和(d)化合物 具有至少3个异氰酸酯基团或至少3个对异氰酸酯具有反应性的官能团,(e)任选不同于(c)且具有对异氰酸酯具有反应性和分子量为60至500g / mol的官能团的化合物,化合物 (d)使用的量使得所有组分的官能度F为2.01至2.5,并且聚氨酯或其预聚物在沸点低于100℃的水混溶性溶剂中制备, 在添加粘合性改进聚合物之后,分散在水中。

    Preparation of emulsifier-free aqueous polyurethane dispersions
    7.
    发明授权
    Preparation of emulsifier-free aqueous polyurethane dispersions 失效
    无乳化型水性聚氨酯分散体的制备

    公开(公告)号:US5055516A

    公开(公告)日:1991-10-08

    申请号:US462039

    申请日:1990-01-08

    摘要: Emulsifier-free aqueous polyurethane dispersions are prepared by reacting (a) dihydroxy compounds, (b) diisocyanates and (c) chain extenders to give a prepolymer having terminal isocyanate groups, then reacting the prepolymer with (d) salts of aliphatic aminocarboxylic or -sulfonic acids or amino-containing or hydroxyl-containing tertiary ammonium salts, dispersing the resulting polyurethane in water and, if required, removing the organic solvent by distillation. In the process, an organic condensation resin which is dissolved in a solvent is admixed before the polyurethane obtained is dispersed in water.

    摘要翻译: 通过使(a)二羟基化合物,(b)二异氰酸酯和(c)扩链剂反应得到具有末端异氰酸酯基团的预聚物,然后使预聚物与(d)脂族氨基羧酸或磺酸盐形成的反应物反应制备无乳化剂的水性聚氨酯分散体 酸或含氨基或羟基的叔铵盐,将得到的聚氨酯分散在水中,如果需要,通过蒸馏除去有机溶剂。 在此过程中,将所得聚氨酯分散在水中之前,将溶解在溶剂中的有机缩合树脂混合。

    Preparation of aqueous polyurethane dispersions
    8.
    发明授权
    Preparation of aqueous polyurethane dispersions 失效
    水性聚氨酯分散体的制备

    公开(公告)号:US5270383A

    公开(公告)日:1993-12-14

    申请号:US956761

    申请日:1992-12-14

    摘要: Aqueous polyurethane dispersions are prepared by reacting (a) dihydroxy compounds having a molecular weight of from 500 to 5,000, (b) diisocyanates and, if required, (c) chain extenders having at least two hydrogen atoms which are reactive toward isocyanate groups and a molecular weight of less than 300 in the melt or in the presence of a water-miscible, inert organic solvent (S) which boils below 100.degree. C. to give a prepolymer having terminal isocyanate groups, then reacting the prepolymer with (d) salts of aliphatic aminocarboxylic or aminosulfonic acids or tertiary ammonium salts and dispersing the resulting polyurethane in water, by a process in which, before the polyurethane obtained is dispersed in water, from 5 to 60 parts by weight, based on 100 parts by weight of the polyurethane, of a polymer (p) [sic]which is dissolved in a solvent (S') boiling below 100.degree. C. is admixed, with the exception of condensates of phenol with formaldehyde and of epichlorohydrin with bisphenol A, and said polyurethane dispersions are used as adhesives or coating materials.

    摘要翻译: PCT No.PCT / EP91 / 01391 Sec。 371日期:1992年12月14日 102(e)日期1992年12月14日PCT PCT 1991年7月25日PCT公布。 第WO92 / 02566号公报 日本二月二十日,1992.水性聚氨酯分散体是通过使(a)分子量为500-5,000的二羟基化合物,(b)二异氰酸酯和(如果需要的话)(c)具有至少两个氢原子的扩链剂 在熔体中或在沸点低于100℃的水混溶惰性有机溶剂(S)的存在下,异氰酸酯基团的分子量小于300,并产生具有末端异氰酸酯基团的预聚物,然后使 该预聚物与(d)脂肪族氨基羧酸或氨基磺酸或叔铵盐的盐,并将得到的聚氨酯分散在水中,通过以下方法将所得聚氨酯分散在水中:将所得的聚氨酯在水中分散5至60重量份,基于 混合100重量份聚氨酯,溶解在沸点低于100℃的溶剂(S')中的聚合物(p)[sic],除了苯酚与甲醛和表氯醇的缩合物 n与双酚A,所述聚氨酯分散体用作粘合剂或涂料。

    Aqueous polyurethane adhesive dispersions
    10.
    发明授权
    Aqueous polyurethane adhesive dispersions 失效
    水性聚氨酯胶粘剂分散体

    公开(公告)号:US4861826A

    公开(公告)日:1989-08-29

    申请号:US133378

    申请日:1987-12-15

    摘要: Aqueous dispersions of polyurethanes consisting of(a) organic polyisocyanates,(b) polyesterpolyols having a molecular weight of from 500 to 5,000,(c) organic hydroxy compounds having a molecular weight of from 62 to 400 and two terminal groups which are reactive to isocyanate groups, as chain extenders, and(d) compounds containing ionic groups or groups which can be converted to ionic groups and one or more isocyanate groups or a hydroxyl or amino group which is reactive to isocyanate groups,which contain from 0.05 to 2 meq of ionic groups incorporated into the polyurethane via (d) per g of polyurethane are particularly suitable for adhesives when the chain extenders (c) are incorporated in an amount of from 1.5 to 8 moles per mole of polyols, and a minor amount of (a) can be replaced with monoisocyanates, and a minor amount of (b) with polyetherpolyols.

    摘要翻译: 由(a)有机多异氰酸酯,(b)分子量为500〜5000的聚酯多元醇组成的聚氨酯的水分散体,(c)分子量为62〜400的有机羟基化合物和与异氰酸酯反应的两个端基 基团,作为扩链剂,和(d)可以转化为离子基团和一个或多个异氰酸酯基团或与异氰酸酯基团反应的羟基或氨基的离子基团或基团的化合物,其含有0.05至2meq 通过(d)每g聚氨酯掺入聚氨酯中的离子基团特别适用于粘合剂,当增链剂(c)以每摩尔多元醇1.5至8摩尔的量加入时,少量的(a) 可以用单异氰酸酯代替,和少量的(b)与聚醚多元醇。