Grease compatible extended polyurethanes
    2.
    发明授权
    Grease compatible extended polyurethanes 失效
    润滑脂相容的延伸聚氨酯

    公开(公告)号:US4596743A

    公开(公告)日:1986-06-24

    申请号:US713378

    申请日:1985-03-19

    摘要: A grease compatible cyclic olefin extended polyurethane comprising the reaction product of an isocyanate terminated polyisocyanate with a polyol in the presence of a cyclic olefin extender and, a plasticizer having a total solubility parameter of between about 8.3 and 8.9 or about 9.1 and 9.7. Certain extended polyurethanes are characterized as being reenterable, such that they can be used for repairing, encapsulation or reclaiming electrical or telephone cables. Alternate formulations can be used as hard volume encapsulants for general elastomer use.

    摘要翻译: 一种润滑脂相容的环烯烃延长的聚氨酯,其包含异氰酸酯封端的多异氰酸酯与多元醇在环状烯烃增量剂存在下的反应产物,以及总溶解度参数为约8.3至8.9或约9.1至9.7的增塑剂。 某些延伸的聚氨酯的特征在于可重新连接,使得它们可用于修理,封装或回收电气或电话电缆。 替代制剂可用作用于一般弹性体使用的硬体积密封剂。

    Process for using ricinoleate plasticized polyurethanes for sealing
electrical devices
    4.
    发明授权
    Process for using ricinoleate plasticized polyurethanes for sealing electrical devices 失效
    使用蓖麻醇酸增塑聚氨酯密封电气设备的方法

    公开(公告)号:US4705723A

    公开(公告)日:1987-11-10

    申请号:US945986

    申请日:1986-12-24

    摘要: A plasticized polyurethane gel system comprising the reaction product of an isocyanate compound and a polyol in the presence of a ricinoleate plasticizer compound having a total solubility parameter of between about 8.3 and 8.9 or between about 9.1 and 9.7. Said polyurethane systems are cured, cross-linked, nonspewing, grease compatible, and reenterable. This extended polyurethane is further characterized as having superior insulating properties so that it can be used of repairing, encapsulating or reclaiming electrical or telecommunication cables as well as for hard volume encapsulants or general elastomer use.

    摘要翻译: 一种增塑聚氨酯凝胶体系,其包含异氰酸酯化合物和多元醇在总溶解度参数为约8.3至8.9之间或约9.1至9.7之间的蓖麻油酸酯增塑剂化合物存在下的反应产物。 所述聚氨酯体系固化,交联,不透明,润滑脂相容,并且可重新连接。 该延伸的聚氨酯的特征还在于具有优异的绝缘性能,使得其可用于修复,封装或回收电缆或通信电缆以及硬体积密封剂或一般弹性体使用。

    Ricinoleate modified hydrocarbon polyols
    10.
    发明授权
    Ricinoleate modified hydrocarbon polyols 失效
    蓖麻油酸改性烃多元醇

    公开(公告)号:US4742112A

    公开(公告)日:1988-05-03

    申请号:US6415

    申请日:1987-01-23

    IPC分类号: C08G18/65 C08G18/28

    CPC分类号: C08G18/6576 C08G18/6547

    摘要: Polyol mixtures having about 10 to 60 weight percent of a ricinoleate compound and 90 to 40 weight percent of a C.sub.2 -C.sub.6 hydrocarbon polymer having at least one hydroxyl group. Polyurethane compositions comprising the reaction product of this polyol mixture with an organic isocyanate compound. These compositions may optionally include certain extender compounds. Also, a method for lowering the viscosity of C.sub.2 -C.sub.6 hydrocarbon polymer having at least one hydroxyl group by adding a ricinoleate compound thereto.

    摘要翻译: 具有约10至60重量%的蓖麻酸酯化合物和90至40重量%的具有至少一个羟基的C 2 -C 6烃聚合物的多元醇混合物。 包括该多元醇混合物与有机异氰酸酯化合物的反应产物的聚氨酯组合物。 这些组合物可任选地包括某些增量剂化合物。 另外,通过向其中加入蓖麻油酸酯化合物来降低具有至少一个羟基的C 2 -C 6烃聚合物的粘度的方法。