Nonionic telechelic polymers incorporating polyhedral oligosilsesquioxane (POSS) and uses thereof
    4.
    发明授权
    Nonionic telechelic polymers incorporating polyhedral oligosilsesquioxane (POSS) and uses thereof 失效
    加入多面体低聚倍半硅氧烷(POSS)的非离子遥爪聚合物及其用途

    公开(公告)号:US07067606B2

    公开(公告)日:2006-06-27

    申请号:US10620644

    申请日:2003-07-16

    IPC分类号: C08G77/04

    摘要: Amphiphilic telechelics incorporating polyhedraloligosilsesquioxane (POSS) synthesized by direct urethane linkage between the diol end groups of polyethylene glycol (PEG) homopolymers and the monoisocyanate group of POSS macromers. The hydrophobicity of the amphiphilic telechelics can be varied by using PEG homopolymers of increasing MW, providing for control over molecular architecture by hydrophilic/hydrophobic balance. Methods for synthesizing the amphiphilic telechelics and their use as surfactants, thickening agents, additives to plastic such as PMMA′(Plexiglass), epoxyadhesives for improving their properties are also disclosed.

    摘要翻译: 通过在聚乙二醇(PEG)均聚物的二醇端基与POSS大单体的单异氰酸酯基团之间通过直接氨基甲酸酯键合成的多面体聚二甲基倍半硅氧烷(POSS)的两亲电视电影。 通过使用增加MW的PEG均聚物可以改变两亲性电视电泳的疏水性,通过亲水/疏水平衡提供对分子结构的控制。 还公开了合成两亲电视电影的方法及其作为表面活性剂,增稠剂,塑料添加剂如PMMA(有机玻璃)的用途,用于改善其性能的环氧树脂粘合剂。

    SHAPE MEMORY POLYMERS BASED ON SEMICRYSTALLINE THERMOPLASTIC POLYURETHANES BEARING NANOSTRUCTURED HARD SEGMENTS
    6.
    发明申请
    SHAPE MEMORY POLYMERS BASED ON SEMICRYSTALLINE THERMOPLASTIC POLYURETHANES BEARING NANOSTRUCTURED HARD SEGMENTS 审中-公开
    基于半导体热塑性聚氨酯的形状记忆聚合物承载纳米硬化部分

    公开(公告)号:US20090253842A1

    公开(公告)日:2009-10-08

    申请号:US12403410

    申请日:2009-03-13

    摘要: Thermoplastic polyurethanes having an alternating sequence of hard and soft segments in which a nanostructured polyhedral oligosilsesquioxane diol is used as a chain extender to form a crystalline hard segment constituting SMPs. The polyurethanes are formed by reacting a polyol, a chain extender dihydroxyl-terminated polyhedral oligosilsesquioxane and a diisocyanate. The polyurethanes have multiple applications including for example, implants for human health care, drug delivery matrices, superabsorbant hydrogels, coatings, adhesives, temperature and moisture sensors, etc.

    摘要翻译: 具有硬链段和软链段的交替序列的热塑性聚氨酯,其中使用纳米结构多面体寡聚倍半硅氧烷二醇作为扩链剂以形成构成SMP的结晶硬链段。 聚氨酯通过使多元醇,扩链剂二羟基封端的多面体寡聚倍半硅氧烷和二异氰酸酯反应而形成。 聚氨酯具有多种应用,包括例如用于人体保健的植入物,药物递送基质,超吸收水凝胶,涂层,粘合剂,温度和湿度传感器等。