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139 条记录 (耗时 0.019 秒)

    Rapidly crystallizing polyurethane systems
    1.
    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
    2.
    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。

    Hot melt adhesives
    3.
    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。

    Polyurethane elastomers with reduced gas permeability
    5.
    发明授权
    Polyurethane elastomers with reduced gas permeability 失效
    具有降低透气性的聚氨酯弹性体

    公开(公告)号：US5710233A

    公开(公告)日：1998-01-20

    申请号：US779198

    申请日：1997-01-06

    申请人： Walter Meckel ,  Klaus Konig ,  Hans-Dieter Thomas

    发明人： Walter Meckel ,  Klaus Konig ,  Hans-Dieter Thomas

    IPC分类号： C08G18/60 ,  C08G18/65 ,  C08G18/67 ,  C08G18/46 ,  C08G18/32 ,  C08L75/06

    CPC分类号： C08G18/675 ,  C08G18/606 ,  C08G18/65

    摘要： Polyurethane elastomers with reduced gas permeability are prepared by reaction of: a) diisocyanates, b) compounds with a molecular weight of 500 to 10,000 having at least two hydrogen atoms that are reactive towards isocyanates, c) compounds with a molecular weight of 61 to 499 having at least two hydrogen atoms that are reactive towards isocyanates, and optionally d) further auxiliaries and additives, characterized in that i) the ratio of the isocyanate groups in a) to the sum of the isocyanate-reactive groups in b) and c) is between 1:0.80 and 1:1.05 (isocyanate:isocyanate-reactive), and ii) the compound b) contains 3 to 15% by wt. of amide bonds ##STR1##

    摘要翻译： 具有降低的透气性的聚氨酯弹性体通过以下反应制备：a）二异氰酸酯，b）分子量为500至10,000的具有至少两个对异氰酸酯反应的氢原子的化合物，c）分子量为61至499的化合物 具有至少两个对异氰酸酯具有反应性的氢原子，以及任选地d）其它助剂和添加剂，其特征在于i）a）中的异氰酸酯基团与b）中的异氰酸酯反应性基团的总和的比例和c） 为1：0.80〜1：1.05（异氰酸酯：异氰酸酯反应性），ii）化合物b）含有3〜15重量％ 的酰胺键

    Polyurethane-based thickeners for aqueous compositions
    9.
    发明授权
    Polyurethane-based thickeners for aqueous compositions 失效
    用于水性组合物的聚氨酯类增稠剂

    公开(公告)号：US5612408A

    公开(公告)日：1997-03-18

    申请号：US593036

    申请日：1996-01-29

    申请人： Klaus Konig ,  Jurgen Schwindt ,  Jan Mazanek ,  Josef Pedain ,  Manfred Dietrich ,  Gerhard Klein ,  Karl-Roland Jerg

    发明人： Klaus Konig ,  Jurgen Schwindt ,  Jan Mazanek ,  Josef Pedain ,  Manfred Dietrich ,  Gerhard Klein ,  Karl-Roland Jerg

    IPC分类号： C09K3/00 ,  C08G18/28 ,  C08G18/48 ,  C08G65/28 ,  C08L75/00 ,  C08L75/08 ,  C09D7/00 ,  C09D175/00 ,  C09D175/04 ,  C08G18/12 ,  C08G18/42

    CPC分类号： C08G18/4833 ,  C08G18/283 ,  C09D7/002 ,  C08L75/04

    摘要： The present invention relates to a process for the preparation of polyurethanes suitable for use as thickeners for aqueous compositions by reacting at an NCO/OH equivalent ratio of 0.9:1 to 1.2:1a) a polyether component having an OH number of 10 to 30 mg KOH/g and obtained by the alkoxylation of a mixture ofa1) 30 to 80 mole % of a monofunctional alcohol or alkylphenol having 8 to 30 carbon atoms,a2) 2 to 10 mole % of sodium hydroxide or potassium hydroxide,a3) 10 to 60 mole % of water anda4) 0 to 10 mole % of a trihydric to hexahydric alcohol having a molecular weight of 92 to 600, with ethylene oxide or a mixture of ethylene oxide with up to 20 mole %, based on the total moles of alkylene oxides, of propylene oxide, in which the percentages of a1) to a4) add up to 100,withb) a polyisocyanate component containing at least one organic diisocyanate, optionally in admixture with up to 20 mole %, based on the total moles of component b), of higher than difunctional polyisocyanates.The invention also relates to the polyurethanes obtainable by this method and their use, optionally in combination with other thickeners, for the thickening of aqueous systems.

    摘要翻译： 本发明涉及一种制备适合用作水性组合物增稠剂的聚氨酯的方法，其通过以0.9:1至1.2:1的NCO / OH当量比反应a）OH数为10至30的聚醚组分 mg KOH / g，通过a1）30〜80摩尔％的单官能醇或碳原子数为8〜30的烷基酚的混合物的烷氧基化得到，a2）2〜10摩尔％的氢氧化钠或氢氧化钾，a3）10 至60摩尔％的水和a4）0至10摩尔％的分子量为92至600的三元至六元醇与环氧乙烷或环氧乙烷的混合物至多20摩尔％，基于总摩尔数 的环氧丙烷，其中a1）至a4）的百分比加到100，其中b）含有至少一种有机二异氰酸酯的多异氰酸酯组分，任选地与至多20摩尔％的混合物，基于总计 组分b）的摩尔数高于双官能多异氰酸酯。 本发明还涉及通过该方法获得的聚氨酯，以及它们用于任选与其它增稠剂组合的用于增稠水性体系的用途。