CATALYST-LEAN, MICROCAPSULE-BASED SELF-HEALING MATERIALS VIA RING-OPENING METATHESIS POLYMERIZATION (ROMP)

    公开(公告)号:US20170152380A1

    公开(公告)日:2017-06-01

    申请号:US15430724

    申请日:2017-02-13

    Abstract: A self-healing composite material includes a polymer matrix, microcapsules filled with a ring-opening metathesis-active monomer (e.g., norbornene, norbornene derivatives such as ethylidene norbornene, or cyclooctadiene), and polymeric particles comprised of a polymer that is soluble in the monomer with which the microcapsules are filled and having catalytic endgroups derived from an olefin metathesis catalyst, such as a Grubbs'-type catalyst. In some embodiments, the polymer having catalytic endgroups is synthesized via solution polymerization of a ring-opening metathesis-active monomer (e.g., norbornene, norbornene derivatives, or cyclooctadiene) in the presence of an olefin metathesis catalyst (e.g., Grubbs' 1st generation catalyst). The polymer having catalytic endgroups may then be processed via a grinding operation, for example, to prepare the small polymeric particles. In other embodiments, the polymeric particles are synthesized directly as microparticles (e.g., microspheres, granules, beads, etc.) utilizing an analogous suspension polymerization.

    CATALYST-LEAN, MICROCAPSULE-BASED SELF-HEALING MATERIALS VIA RING-OPENING METATHESIS POLYMERIZATION (ROMP)
    8.
    发明申请
    CATALYST-LEAN, MICROCAPSULE-BASED SELF-HEALING MATERIALS VIA RING-OPENING METATHESIS POLYMERIZATION (ROMP) 有权
    催化分解,基于微阵列的自愈材料通过开环元件聚合(ROMP)

    公开(公告)号:US20160096956A1

    公开(公告)日:2016-04-07

    申请号:US14505987

    申请日:2014-10-03

    Abstract: A self-healing composite material includes a polymer matrix, microcapsules filled with a ring-opening metathesis-active monomer (e.g., norbornene, norbornene derivatives such as ethylidene norbornene, or cyclooctadiene), and polymeric particles comprised of a polymer that is soluble in the monomer with which the microcapsules are filled and having catalytic endgroups derived from an olefin metathesis catalyst, such as a Grubbs'-type catalyst. In some embodiments, the polymer having catalytic endgroups is synthesized via solution polymerization of a ring-opening metathesis-active monomer (e.g., norbornene, norbornene derivatives, or cyclooctadiene) in the presence of an olefin metathesis catalyst (e.g., Grubbs' 1st generation catalyst). The polymer having catalytic endgroups may then be processed via a grinding operation, for example, to prepare the small polymeric particles. In other embodiments, the polymeric particles are synthesized directly as microparticles (e.g., microspheres, granules, beads, etc.) utilizing an analogous suspension polymerization.

    Abstract translation: 自修复复合材料包括聚合物基质,填充有开环易位活性单体(例如降冰片烯,降冰片烯衍生物如亚乙基降冰片烯或环辛二烯)的微胶囊,以及由可溶于 单体,其中填充微胶囊并具有衍生自烯烃复分解催化剂的催化端基,例如Grubbs型催化剂。 在一些实施方案中,具有催化端基的聚合物通过开环易位活性单体(例如降冰片烯,降冰片烯衍生物或环辛二烯)在烯烃复分解催化剂(例如,Grubbs第一代催化剂 )。 然后可以通过研磨操作来处理具有催化端基的聚合物,例如以制备小聚合物颗粒。 在其它实施方案中,使用类似的悬浮聚合将聚合物颗粒直接合成为微粒(例如微球,颗粒,珠等)。

Patent Agency Ranking