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11 条记录 (耗时 0.022 秒)

    Rapidly crystallizing polyurethane systems
    5.
    发明授权
    Rapidly crystallizing polyurethane systems 失效
    快速结晶聚氨酯系统

    公开(公告)号：US5115073A

    公开(公告)日：1992-05-19

    申请号：US580717

    申请日：1990-09-11

    申请人： Walter Meckel ,  Eduard Hansel ,  Gu Arend ,  Klaus Konig

    发明人： Walter Meckel ,  Eduard Hansel ,  Gu Arend ,  Klaus Konig

    IPC分类号： C08G18/08 ,  C08G18/12 ,  C08G18/42 ,  C08G18/65 ,  C08G18/66 ,  C09J5/06 ,  C09J175/00 ,  C09J175/06

    CPC分类号： C09J175/06 ,  C08G18/0804 ,  C08G18/12 ,  C08G18/4202 ,  C08G18/664 ,  C08G2170/20 ,  C08G2250/00

    摘要： The present invention is directed to a polyurethane system containing isocyanate groups prepared by reactingA) 70 to 98 parts by weight of at least one polyester diol having a melting point of 30.degree. C. to 60.degree. C. and a molecular weight of 800 to 8,000,B) 2 to 30 parts by weight of at least one polyester diol having a melting point of 65.degree. C. to 150.degree. C. and a molecular weight of 600 to 8,000, andC) no more than 1 mole of a diol having a molecular weight of less than 600 per moles of A) plus B), with,D) at least one organic polyisocyanate, the ratio of isocyanate groups to hydroxyl groups is between 3:1 and 1.2:1.

    摘要翻译： 本发明涉及含有异氰酸酯基团的聚氨酯体系，其通过使A）70〜98重量份的至少一种熔点为30℃〜60℃，分子量为800〜 8,000，B）2〜30重量份的至少一种聚酯二醇，其熔点为65℃至150℃，分子量为600至8,000，C）不超过1摩尔的二醇 具有小于600摩尔A）+ B）的分子量，D）至少一种有机多异氰酸酯，异氰酸酯基与羟基的比例在3:1至1.2:1之间。

    Hotmelt bonding process
    7.
    发明授权
    Hotmelt bonding process 失效
    热熔接合工艺

    公开(公告)号：US5407517A

    公开(公告)日：1995-04-18

    申请号：US669829

    申请日：1991-03-15

    申请人： Eduard Hansel ,  Walter Meckel ,  Klaus Konig ,  Otto Ganster ,  Horst Stepanski

    发明人： Eduard Hansel ,  Walter Meckel ,  Klaus Konig ,  Otto Ganster ,  Horst Stepanski

    IPC分类号： B05D1/02 ,  B05D5/10 ,  B05D7/24 ,  B29C65/48 ,  C08G18/10 ,  C08G18/42 ,  C09J5/00 ,  C09J175/00 ,  C09J175/06 ,  C09J4/00

    CPC分类号： C09J175/06 ,  C08G18/10 ,  C08G18/4238 ,  C08G2170/20

    摘要： The invention relates to a process for bonding surfaces with isocyanate-containing prepolymers having an isocyanate group content of less than 1.8% by weight, based on the prepolymer, and an average molecular weight MW.sub.n of at least 4,500 in which (a) the prepolymers are prepared by the reaction of (i) polyester diols prepared from dodecanedioic acid and even-numbered alkane diols containing at least 6 carbon atoms and (ii) diisocyanates; (b) the prepolymer is applied as a hotmelt adhesive at a temperature of 80 to 160.degree. C. by spin-spraying onto at least one surface to be bonded; and (c) the treated surface is brought into intimate contact with a second surface to be bonded.

    摘要翻译： 本发明涉及一种基于预聚物将异氰酸酯基含量低于1.8重量％的含异氰酸酯的预聚物与平均分子量MWn相结合的方法，其中（a）预聚物为 通过（i）由十二烷二酸和含有至少6个碳原子的偶数烷烃二醇制备的聚酯二醇和（ii）二异氰酸酯的反应制备; （b）将预聚物作为热熔粘合剂在80至160℃的温度下通过旋涂喷涂至至少一个待粘合的表面上; 和（c）处理过的表面与待粘合的第二表面紧密接触。

    Aqueous polyurethane dispersions and their use as laminating adhesives
    8.
    发明授权
    Aqueous polyurethane dispersions and their use as laminating adhesives 失效
    水性聚氨酯分散体及其作为层压粘合剂的用途

    公开(公告)号：US5250610A

    公开(公告)日：1993-10-05

    申请号：US828079

    申请日：1992-01-30

    申请人： Eduard Hansel ,  Walter Meckel ,  Thomas Munzmay

    发明人： Eduard Hansel ,  Walter Meckel ,  Thomas Munzmay

    IPC分类号： C08G18/08 ,  C08G18/42 ,  C08G18/48 ,  C09J175/04 ,  C08L75/06

    CPC分类号： C08G18/4252 ,  C08G18/0823 ,  C08G18/4887 ,  C09J175/04 ,  C08G2170/80 ,  Y10T428/31551

    摘要： The present invention relates to aqueous polyurethane dispersions based onA) a relatively high molecular weight polyhydroxyl component containing carboxylic acid groups,B) optionally another relatively high molecular weight polyhydroxyl component which is substantially free of carboxylic acid groups,C) optionally low molecular weight polyhydroxyl compounds as chain lengthening agents,D) organic polyisocyanates andE) a neutralizing agent capable of converting the carboxylic acid groups into carboxylate groups,the dispersions are characterized in that the carboxyl group-containing relatively high molecular weight polyhydroxyl component A) is the esterification product of a polyether polyol a1) in the molecular weight range of from 400 to 5000, with a polycarboxylic acid a2); the dispersions are useful as laminating adhesives.

    摘要翻译： 本发明涉及基于A）含羧酸基团的相对高分子量的多羟基组分的水性聚氨酯分散体，B）任选地基本上不含羧酸基团的另一相对高分子量的多羟基组分，C）任选的低分子量多羟基 化合物作为增链剂，D）有机多异氰酸酯和E）能够将羧酸基团转化成羧酸酯基团的中和剂，其分散体的特征在于含羧基的相对高分子量的多羟基组分A）是酯化产物 的分子量范围为400-5000的聚醚多元醇a1）与多元羧酸a2）反应; 分散体可用作层压粘合剂。

    Hot melt adhesives
    9.
    发明授权
    Hot melt adhesives 失效
    热熔胶

    公开(公告)号：US5162457A

    公开(公告)日：1992-11-10

    申请号：US785653

    申请日：1991-10-31

    申请人： Eduard Hansel ,  Walter Meckel ,  Klaus Konig ,  Otto Ganster ,  Horst Stepanski

    发明人： Eduard Hansel ,  Walter Meckel ,  Klaus Konig ,  Otto Ganster ,  Horst Stepanski

    IPC分类号： C08G18/10 ,  C08G18/42 ,  C08G18/71 ,  C09J175/06

    CPC分类号： C08G18/10 ,  C08G18/4238 ,  C08G18/71 ,  C09J175/06 ,  C08G2170/20 ,  C08G2250/00 ,  Y10S528/905

    摘要： This invention relates to crystalline, isocyanate group-containign hot melt adhesives based onfrom 70-95% by weight of a prepolymer A based on polyester diols having a molecular weight of from 1500 to 10,000 and melting points of from 50.degree. to 90.degree. C. and diisocyanates in a ratio of isocyanate groups of the diisocyanate to the hydroxyl groups of the polyester diol of from 3:1 to 1.2:1 andfrom 5-30% by weight of a component B having a molecular weight of from 1000 to 10,000 based on polyesters having melting points of from 60.degree. to 150.degree. C., in which component B contains at most 0.5 Zerewitinow active groups per molecule.

    摘要翻译： 本发明涉及基于70-95重量％的基于分子量为1500至10,000并且熔点为50-90℃的聚酯二醇的预聚物A的结晶异氰酸酯基含量热熔粘合剂 和二异氰酸酯，二异氰酸酯的异氰酸酯基与聚酯二醇的羟基的比例为3:1至1.2:1，和5-30重量％的分子量为1000至10,000的组分B 基于熔点为60℃至150℃的聚酯，其中组分B每分子含有至多0.5个Zerewitinow活性基团。