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16 条记录 (耗时 0.03 秒)

    Process for the production of polyurethane particles
    3.
    发明授权
    Process for the production of polyurethane particles 失效
    聚氨酯颗粒生产工艺

    公开(公告)号：US06548619B2

    公开(公告)日：2003-04-15

    申请号：US09928264

    申请日：2001-08-10

    申请人： Alexander Pross ,  Heinz-Werner Lucas ,  Horst Stepanski ,  Eckhardt Weidner ,  Marcus Petermann ,  Andreas Kilzer

    发明人： Alexander Pross ,  Heinz-Werner Lucas ,  Horst Stepanski ,  Eckhardt Weidner ,  Marcus Petermann ,  Andreas Kilzer

    IPC分类号： C08G1842

    CPC分类号： C08J3/12 ,  B01J2/02 ,  B01J2/04 ,  C08G18/0852 ,  C08G18/66 ,  C08G2170/20 ,  C08G2250/00 ,  C08J2375/04

    摘要： The present invention relates to a process for the production of particles from solutions or melts of heat-activatable polyurethanes by i) dissolving a compressible auxiliary agent at a pressure of between 50 and 1000 bar into a conveyable solution or melt of a heat-activatable polyurethane to obtain a mixture of polyurethane, compressible auxiliary agent and optionally solvent, ii) optionally adjusting of the temperature of the resulting mixture to a temperature of from 40° K below to 150° K above the crystallite melting point of the polyurethane, iii) expanding the mixture by means of an expansion device into a container, while adjusting the temperature in the container to at least 5° K below the softening temperature of the polyurethane to maintain the open jet particles in a form in which they do not agglomerate, and iv) separating the formed particles from the stream of decompressed compressible auxiliary agent and optionally solvent.

    摘要翻译： 本发明涉及一种从可热活化的聚氨酯的溶液或熔体中生产颗粒的方法，其特征在于将可压缩助剂在50至1000巴之间的压力下溶解在可传热的溶液或可热活化的聚氨酯的熔体中 获得聚氨酯，可压缩辅助剂和任选溶剂的混合物，ii）任选地将所得混合物的温度调节至高于聚氨酯的微晶熔点至低于150°K的温度，iii）将 混合物通过膨胀装置进入容器，同时将容器中的温度调节至低于聚氨酯的软化温度至少5°K，以将开放的喷射颗粒保持为不凝聚的形式，并且分离 来自减压的可压缩辅助剂流的成形颗粒和任选的溶剂。

    Moisture-curing, NCO-reactive polyurethane hotmelt adhesive composition
    4.
    发明授权
    Moisture-curing, NCO-reactive polyurethane hotmelt adhesive composition 失效
    水分固化，NCO-反应性聚氨酯热固性胶粘剂组合物

    公开(公告)号：US5166302A

    公开(公告)日：1992-11-24

    申请号：US872275

    申请日：1992-04-22

    申请人： Joachim Werner ,  Walter Meckel ,  Horst Stepanski ,  Jose Colinas-Martinez

    发明人： Joachim Werner ,  Walter Meckel ,  Horst Stepanski ,  Jose Colinas-Martinez

    IPC分类号： B32B17/10 ,  C08G18/12 ,  C08G18/40 ,  C08G18/42 ,  C08G18/72 ,  C08G18/76

    CPC分类号： C08G18/7607 ,  B32B17/1077 ,  C08G18/12 ,  C08G18/4018 ,  C08G18/4202 ,  C08G18/721 ,  C08G2170/20

    摘要： The invention relates to a moisture-curing, NCO-reactive polyurethane hotmelt adhesive composition to a process for its production and to its use as an adhesive wherein the hot-melt adhesive characterized by a reaction product obtainable by reaction of:A) a mixture of:i) polyfunctional polyol component which is liquid or highly viscous (paste-like) at room temperature (25.degree. C.) and which has an average molecular weight of 500 to 5,000 and which is consisting of at least one polyether and/or polyester polyol, andii) a polyfunctional polyol component which is crystalline at room temperature (25.degree. C.) and which has a molecular weight of 500 to 10,000 and preferably 2,000 to 5,000with a mixture ofB)i) a polyisocyanate component containing two differently reactive NCO groups andii) a diisocyanate component having an NCO reactivity to hydroxyl groups which is greater than that of the less reactive NCO groups of the polyisocyanate component containing two differently reactive NCO groups,the overall ratio of NCO:OH groups being greater than 1, and the ratio of the NCO groups of the polyisocyanate component containing two differently reactive NCO groups to the OH groups of the polyol component i) being between 1.05 and 2.0 and the ratio by weight formed from the quantity of polyol component to the quantity of the polyisocyanate component containing two differently reactive NCO groups and the quantity of the crystalline polyol component, the diisocyanate component containing isocyanate groups which are more reactive to OH groups than the less reactive NCO groups of the isocyanate containing two differently reactive NCO groups being between 10 and 0.1.

    摘要翻译： 本发明涉及一种湿固化性NCO反应性聚氨酯热熔粘合剂组合物，用于其生产和用作粘合剂的方法，其中该热熔粘合剂的特征在于可通过以下反应获得的反应产物：A） ：i）在室温（25℃）下为液体或高粘度（糊状）的多官能多元醇组分，其平均分子量为500至5,000，并且由至少一种聚醚和/或聚酯 多元醇，和ii）在室温（25℃）下为结晶的多官能多元醇组分，其分子量为500至10,000，优选为2,000至5,000，混合物为B）i）含有两种不同的多异氰酸酯组分 反应性NCO基团和ii）具有NCO与羟基反应性的二异氰酸酯组分，其大于含有两种不同反应性NCO g的多异氰酸酯组分的较低反应性NCO基团的二异氰酸酯组分 组合物，NCO：OH基团的总比例大于1，并且含有两个不同反应性NCO基团的多异氰酸酯组分与多元醇组分i）的OH基团的NCO基团的比例在1.05和2.0之间， 由多元醇组分的量与含有两个不同反应性NCO基团的多异氰酸酯组分的量和结晶多元醇组分的量相比，含有与OH反应性更高的反应性NCO基团的异氰酸酯基团的二异氰酸酯组分 的含有两个不同反应性NCO基团的异氰酸酯在10和0.1之间。

    Moisture-curing, NCO-reactive polyurethane hotmelt adhesive composition
    6.
    发明授权
    Moisture-curing, NCO-reactive polyurethane hotmelt adhesive composition 失效
    水分固化，NCO反应聚氨酯热熔胶组合物

    公开(公告)号：US5190607A

    公开(公告)日：1993-03-02

    申请号：US927444

    申请日：1992-08-10

    申请人： Joachim Werner ,  Walter Meckel ,  Horst Stepanski ,  Jose Colinas-Martinez

    发明人： Joachim Werner ,  Walter Meckel ,  Horst Stepanski ,  Jose Colinas-Martinez

    IPC分类号： B32B17/10 ,  C08G18/12 ,  C08G18/40 ,  C08G18/42 ,  C08G18/72 ,  C08G18/76

    CPC分类号： C08G18/7607 ,  B32B17/1077 ,  C08G18/12 ,  C08G18/4018 ,  C08G18/4202 ,  C08G18/721 ,  C08G2170/20

    摘要： The invention relates to a moisture-curing, NCO-reactive polyurethane hotmelt adhesive composition to a process for its production and to its use as an adhesive wherein the hot-melt adhesive characterized by a reaction product obtainable by reaction of:A) a mixture of:i) polyfunctional polyol component which is liquid or highly viscous (paste-like) at room temperature (25.degree. C.) and which has an average molecular weight of 500 to 5,000 and which is consisting of at least one polyether and/or polyester polycol, andii) a polyfunctional polyol component which is crystalline at room temperature (25.degree. C.) and which has a molecular weight of 500 to 10,000 and preferably 2,000 to 5,000with a mixture ofB)i) a polyisocyanate component containing two differently reactive NCO groups andii) a diisocyanate component having an NCO reactivity to hydroxyl groups which is greater which is greater than that of the less reactive NCO groups of the polyisocyanate component containing two differently reactive NCO groups.the overall ratio of NCO:OH groups being greater than 1, and the ratio of the NCO groups of the polyisocyanate component containing two differently reactive NCO groups to the OH groups of the polyol component i) being between 1.05 and 2.0 and the ratio by weight formed from the quantity of polyol component to the quantity of the polyisocyanate component containing two differenty reactive NCO groups and the quantity of the crystalline polyol component, the diisocyanate component containing isocyanate groups which are more reactive to OH groups than the less reactive NCO groups of the isocyanate containing two differently reactive NCO groups being between 10 and 0.1.

    摘要翻译： 本发明涉及一种湿固化性NCO反应性聚氨酯热熔粘合剂组合物，用于其生产和用作粘合剂的方法，其中该热熔粘合剂的特征在于可通过以下反应获得的反应产物：A） ：i）在室温（25℃）下为液体或高粘度（糊状）的多官能多元醇组分，其平均分子量为500至5,000，并且由至少一种聚醚和/或聚酯 多醇，和ii）在室温（25℃）下为结晶的多官能多元醇组分，其分子量为500至10,000，优选为2,000至5,000，混合物为B）i）含有两种不同的多异氰酸酯组分 反应性NCO基团和ii）具有NCO与羟基反应性的二异氰酸酯组分，其大于大于含有两个不同的多异氰酸酯组分的较低反应性NCO基团 反应性NCO基团。 NCO：OH基团的总比例大于1，并且含有两个不同反应性NCO基团的多异氰酸酯组分与多元醇组分i）的OH基团的NCO基团的比例在1.05和2.0之间，重量比 由多元醇组分的量与含有两个不同的反应性NCO基团的多异氰酸酯组分的量和结晶多元醇组分的量相比，含有与OH基反应性更高的OH基团的异氰酸酯基团的二异氰酸酯组分相比， 含有两个不同反应性NCO基团的异氰酸酯在10和0.1之间。

    Storage stable polyurethane adhesives
    10.
    发明授权
    Storage stable polyurethane adhesives 失效
    储存稳定的聚氨酯粘合剂

    公开(公告)号：US5100995A

    公开(公告)日：1992-03-31

    申请号：US581498

    申请日：1990-09-12

    申请人： Thomas Munzmay ,  Horst Stepanski ,  Walter Meckel

    发明人： Thomas Munzmay ,  Horst Stepanski ,  Walter Meckel

    IPC分类号： C08G18/10 ,  C08G18/12 ,  C08G18/42 ,  C08G18/44 ,  C09J175/06

    CPC分类号： C09J175/06 ,  C08G18/10 ,  C08G18/12 ,  C08G18/4238 ,  C08G18/44 ,  C08G18/8074 ,  C08G18/8077 ,  C08G2170/20 ,  C08G2250/00 ,  Y10S528/905

    摘要： The present invention is directed to a predominantly linear polyurethane adhesive which can be cross-linked by heat and is at least partially crystalline at room temperature, comprising:a) a polyurethane prepolymer which contains masked isocyanate groups and is at least partially crystalline, and is prepared by reacting:a1) at least one at least partially crystalline organic polyhydroxyl compound having a molecular weight above 400, being selected from the group consisting of polyesters and polycarbonates, anda2) a polyisocyanate component consisting of at least one organic polyisocyanate having a functionality of at least 2.a3) at least one monofunctional isocyanate blocking agent, anda4) optionally a polyhydroxyl compound having a hydroxyl functionality of at least 2 and a molecular weight below 500, in which the equivalent ratio of isocyanate groups of component a2) to the sum of isocyanate reactive groups of components a1) and a4) is kept in the range of from 1.1:1 to 3:1, and the equivalent ratio of the isocyanate groups resulting from the ratio of components a1) and a4) to a2) to the monofunctional blocking agents a3) is kept in the range of from 0.8:1 to 1.15:1, andb) at least one low molecular weight amine functional and/or hydroxyl functional chain lengthening or cross-linking agent having a molecular weight of from 32 to 500, and having a functionality of at least 2.

    摘要翻译： 本发明涉及可以通过热交联并且在室温下至少部分结晶的主要线性聚氨酯粘合剂，其包含：a）包含掩蔽的异氰酸酯基并且至少部分结晶的聚氨酯预聚物，并且是 通过使a1）至少一种至少部分结晶的分子量高于400的有机多羟基化合物，选自聚酯和聚碳酸酯，和a2）由至少一种具有官能度的有机多异氰酸酯组成的多异氰酸酯组分 a3）至少一种单官能异氰酸酯封端剂，和a4）任选的羟基官能度至少为2且分子量低于500的多羟基化合物，其中组分a2）的异氰酸酯基团的当量比与 组分a1）和a4）的异氰酸酯反应性基团的总和保持在1.1:1至3:1的范围内，和 由组分a1）和a4）至a2）与单官能封端剂a3）的比例产生的异氰酸酯基团的当量比保持在0.8:1至1.15:1的范围内，和b）至少一个低 分子量胺官能和/或羟基官能链延长或交联剂，其分子量为32至500，并且具有至少2的官能度。