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    EMTEC magnetics GmbH
    1.
    发明授权
    EMTEC magnetics GmbH 失效
    在不存在溶剂的情况下可制备的聚氨酯和它们用作磁记录介质的粘合剂

    公开(公告)号：US6132880A

    公开(公告)日：2000-10-17

    申请号：US128765

    申请日：1998-08-04

    申请人： Franz Weingart ,  Christa Hackl ,  Rudiger Krech ,  Stephan Bauer ,  Albert Kohl ,  Ria Kress ,  Josef Schelble ,  Hans-Ganther Bohrmann

    发明人： Franz Weingart ,  Christa Hackl ,  Rudiger Krech ,  Stephan Bauer ,  Albert Kohl ,  Ria Kress ,  Josef Schelble ,  Hans-Ganther Bohrmann

    IPC分类号： C08G18/28 ,  C08G18/08 ,  C08G18/38 ,  C08G18/42 ,  C08G18/66 ,  C09D5/23 ,  C09D175/04 ,  G11B5/702

    CPC分类号： G11B5/7021 ,  C08G18/0828 ,  C08G18/3857 ,  C08G18/423 ,  C08G18/6666 ,  Y10S428/90 ,  Y10T428/31551 ,  Y10T428/31609

    摘要： The thermoplastic, isocyanate-free polyurethane which contains acidic groups, is soluble in tetrahydrofuran, has a molecular weight of from 15,000 to 70,000 and is composed ofA) 1 mol of a polyol having a molecular weight of from 400 to 4000,B) from 0.3 to 9 mol of a mixture ofB1) if required, a diol of 2 to 18 carbon atoms andB2) from 0.03 to 0.4 mol of a diol having at least one acidic group,C) from 0 to 1 mol of a polyol having 3 to 18 carbon atoms and at least 3 OH groups,D) from 1.25 to 13 mol of a diisocyanate of 6 to 30 carbon atoms andE) from 0 to 1 mol of a primary or secondary amino alcohol of 2 to 16 carbon atoms,the molar ratio of the OH and any NH groups present in the sum of the components A, B, C and E to the NCO groups of component D being from 0.98 to 1.4, is obtainable by reacting the above components in the melt and is suitable in particular as a binder for magnetic recording media.

    摘要翻译： 含有酸性基团的热塑性无异氰酸酯的聚氨酯可溶于四氢呋喃，其分子量为15,000至70,000，由A）1mol分子量为400至4000的多元醇组成，B）为 0.3〜9摩尔的B1）如果需要，2至18个碳原子的二醇和B2）0.03至0.4摩尔的具有至少一个酸性基团的二元醇，C）0至1摩尔多元醇 3至18个碳原子和至少3个OH基团，D）1.25至13摩尔的6至30个碳原子的二异氰酸酯和E）0至1摩尔的2至16个碳原子的伯或仲氨基醇， 存在于组分A，B，C和E的总和中的OH和组分D的NCO基团之间的OH和任何NH基团的摩尔比为0.98至1.4，可通过使熔体中的上述组分反应并且是合适的 特别是作为磁记录介质的粘合剂。

    Metod For The Continuous Production Of Thermoplastically-Processable Polyurethane Elastomers
    3.
    发明申请
    Metod For The Continuous Production Of Thermoplastically-Processable Polyurethane Elastomers 有权
    用于连续生产热塑性加工性聚氨酯弹性体的方法

    公开(公告)号：US20080139776A1

    公开(公告)日：2008-06-12

    申请号：US11815221

    申请日：2006-01-31

    申请人： Gunter Scholz ,  Marian Mours ,  Sven Lawrenz ,  Horst Papenfuss ,  Christoph Bahr ,  Rudiger Krech

    发明人： Gunter Scholz ,  Marian Mours ,  Sven Lawrenz ,  Horst Papenfuss ,  Christoph Bahr ,  Rudiger Krech

    IPC分类号： C08G18/00

    CPC分类号： C08G18/222 ,  B29C35/02 ,  B29C47/0004 ,  B29C47/0021 ,  B29C47/34 ,  B29C47/40 ,  B29C47/50 ,  B29C47/786 ,  B29C47/827 ,  B29C47/862 ,  B29K2021/00 ,  B29K2075/00 ,  B29K2105/0014 ,  C08G18/0895 ,  C08G18/664 ,  C08G18/6674

    摘要： Process for continuous production of thermoplastically processable polyurethane elastomers with improved homogeneity, by metering a polyisocyanate (A), a proportion of from 1 to 80 equivalent %, based on the isocyanate group content of the polyisocyanate (A), of a compound (B) having an average of at least 1.8 and at most 3.0 hydrogen atoms having Zerewitinoff activity, with an average molar mass of from 450 g/mol to 5000 g/mol, a proportion of from 12 to 99 equivalent %, based on the isocyanate group content of the polyisocyanate (A), of a chain extender (C) having an average of at least 1.8 and at most 3.0 hydrogen atoms having Zerewitinoff activity per molecule, with an average molar mass of from 60 g/mol to 400 g/mol, from 0 to 30% by weight, based on the total amount of the polyurethane elastomer, of catalysts and further auxiliaries and additives (D), the molar NCO:OH ratio of polyisocyanate (A) to the entirety composed of the compound (B), of the chain extender (C), and of the further auxiliaries and additives (D) being from 0.9:1 to 1.2:1 into a self-cleaning twin-screw extruder which is operated at high shear rates, and then bringing the mixture from the self-cleaning twin-screw extruder into a further apparatus in order to complete the reaction, which comprises setting shear rates above 6000 s−1 and residence times in the range from 1 to 20 s in the self-cleaning twin-screw extruder.

    摘要翻译： 基于多异氰酸酯（A）的异氰酸酯基含量的化合物（B），通过计量多异氰酸酯（A），1至80当量％的比例，连续生产具有改进的均匀性的热塑性可加工聚氨酯弹性体的方法， 平均摩尔质量为450g / mol至5000g / mol，平均摩尔质量为12至99当量％，基于异氰酸酯基含量 的多异氰酸酯（A），平均摩尔质量为60g / mol至400g / mol的平均值至少为1.8且至多3.0个氢原子的扩链剂（C）具有每分子Zerewitinoff活性， 0至30重量％，基于聚氨酯弹性体的总量，催化剂和其它助剂和添加剂（D），多异氰酸酯（A）与由化合物（B）组成的整体的NCO:HOH摩尔比为 ，扩链剂（C）和f 进一步的助剂和添加剂（D）为0.9:1至1.2:1，进入以高剪切速率操作的自清洁双螺杆挤出机，然后将来自自清洁双螺杆挤出机的混合物进一步 装置，以完成反应，其包括在自清洁双螺杆挤出机中将剪切速率设定在6000s -1以上并且在1至20s范围内的停留时间。

    Composite element comprising (I) materials made from wood, wood-like materials and/or wood replacement materials and (II) thermoplastic polyurethane
    4.
    发明申请
    Composite element comprising (I) materials made from wood, wood-like materials and/or wood replacement materials and (II) thermoplastic polyurethane 审中-公开
    复合元件包括（I）由木材，木质材料和/或木材替代材料制成的材料和（II）热塑性聚氨酯

    公开(公告)号：US20050148697A1

    公开(公告)日：2005-07-07

    申请号：US10510231

    申请日：2003-04-22

    申请人： Marcus Leberfinger ,  Hans-Werner Kampsen ,  Gunter Scholz ,  Rudiger Krech ,  Johann-Diedrich Brand

    发明人： Marcus Leberfinger ,  Hans-Werner Kampsen ,  Gunter Scholz ,  Rudiger Krech ,  Johann-Diedrich Brand

    IPC分类号： B32B21/08 ,  C08L1/00

    CPC分类号： B32B21/08

    摘要： A composite element in the furniture sector, preferably furniture doors and furniture carcasses, comprises (i) laminated or unlaminated materials based on wood, wood boards or particle boards and/or wood-like materials, preferably based on wood boards or particle boards, and (ii) thermoplastic polyurethane. Processes for the production of these composite elements and in particular furniture carcasses or doors comprising the novel composite elements are furthermore described. In particular, film hinges, preferably for furniture construction, for example for furniture carcasses, drawers or door frames, in particular for furniture carcasses based on thermoplastic polyurethanes are described.

    摘要翻译： 家具部门中的复合元件，优选家具门和家具屠体，包括（i）基于木材，木板或刨花板和/或类似木材的层压或未层压的材料，优选地基于木板或刨花板，以及 （ii）热塑性聚氨酯。 进一步描述了用于生产这些复合元件，特别是包含新型复合元件的家具屠体或门的方法。 特别地，描述了优选用于家具结构的薄膜铰链，例如用于家具屠体，抽屉或门框，特别是用于基于热塑性聚氨酯的家具胎体。