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1. 发明申请

US20020071947A1 Microcellular foam and foamed composite material 审中-公开
标题翻译：微孔泡沫和泡沫复合材料
公开(公告)号：US20020071947A1
公开(公告)日：2002-06-13
申请号：US10068248
申请日：2002-02-06
申请人： Nano-Tex, LLC
发明人： David S. Soane , Michael R. Houston
IPC分类号： B32B003/00 , B32B003/26
CPC分类号： D01D5/247 , C08J9/04 , C08J2201/03 , D01F1/08 , Y10T428/249921 , Y10T428/249962 , Y10T428/249971 , Y10T428/249972 , Y10T428/2913 , Y10T428/2927 , Y10T428/2935 , Y10T428/2975
摘要： The present invention is directed to thermo-expandable fibers and to the expanded hollow fibers or microtubes, microcellular foam or foamed composite material that results upon heating the expandable fibers. The thermo-expandable fiber of the present invention is characterized by having a polymeric wall surrounding one or more pockets or particles of blowing agent or propellant within the fiber. The polymeric wall may have reactive functional groups on its surface to give a fusible fiber. When the expandable fibers are heated, they expand to form hollow fibers or microtubes comprising polymeric shells surrounding one or more internal gaseous voids, and when the fibers are expanded while in contact with each other, a microcellular foam may be formed. The foam consists of a plurality of hollow fibers fused together, optionally aided by functional groups present on the surface of the heated fibers that act to crosslink the material. When expandable microspheres are mixed with a matrix, which can optionally react with functional groups on the fiber surface, and the resulting combination is heated, the fibers expand to give a foamed composite material in which the hollow fibers or microtubes may optionally be fused or chemically crosslinked to the matrix.
摘要翻译：本发明涉及热膨胀纤维和膨胀的中空纤维或微管，微孔泡沫或泡沫复合材料，其导致加热可膨胀纤维。本发明的热膨胀性纤维的特征在于，在纤维内具有包围发泡剂或推进剂的一个或多个口袋或颗粒的聚合物壁。聚合物壁在其表面上可以具有反应性官能团以得到可熔纤维。当可膨胀纤维被加热时，它们膨胀以形成包含围绕一个或多个内部气体空隙的聚合物壳的中空纤维或微管，并且当纤维在彼此接触时膨胀时，可以形成微孔泡沫。泡沫由多个融合在一起的中空纤维组成，任选由加热纤维表面上存在的用于交联材料的官能团辅助。当可膨胀微球与可以任选地与纤维表面上的官能团反应的基质混合，并且所得到的组合被加热时，纤维膨胀以产生泡沫复合材料，其中中空纤维或微管可任选地被熔化或化学与基质交联。

2. 发明申请

US20030008932A1 Expandable polymeric microspheres, their method of production, and uses and products thereof 失效
标题翻译：可膨胀聚合物微球，其生产方法及其用途及其产品
公开(公告)号：US20030008932A1
公开(公告)日：2003-01-09
申请号：US10235418
申请日：2002-09-05
申请人： Nano-Tex, LLC
发明人： David S. Soane , Michael R. Houston
IPC分类号： C08J009/16
CPC分类号： B01J13/02 , B01J13/04 , B01J13/20 , C08J9/232 , C08J9/32 , C08J2203/22
摘要： The present invention is directed to thermo-expandable microspheres and to the expanded microballoons, microcellular foam or foamed composite material that results upon heating the microspheres. The thermo-expandable microsphere of the present invention is characterized by having a polymeric wall surrounding one or more pockets or particles of blowing agent or propellant within the microsphere. The polymeric wall may have reactive functional groups on its surface to give a fusible microsphere. When the microspheres are heated, they expand to form microballoons comprising polymeric shells surrounding one or more internal gaseous voids, and when the microspheres are expanded while in contact with each other, a microcellular foam may be formed. The foam consists of a plurality of microballoons fused together, optionally aided by functional groups present on the surface of the heated microspheres that act to crosslink the material. When microspheres are mixed with a matrix, which can optionally react with functional groups on the microsphere surface, and the resulting combination is heated, the microspheres expand to give a foamed composite material in which the microballoons may be fused or chemically crosslinked to the matrix.
摘要翻译：本发明涉及热膨胀性微球和膨胀微球，微孔泡沫或泡沫复合材料，其导致加热微球体。本发明的热膨胀性微球的特征在于，在微球内具有包围发泡剂或推进剂的一个或多个口袋或颗粒的聚合物壁。聚合物壁在其表面上可以具有反应性官能团以得到易熔微球。当微球被加热时，它们膨胀以形成包含围绕一个或多个内部气体空隙的聚合物壳的微球，并且当微球在彼此接触的同时膨胀时，可以形成微孔泡沫。泡沫由多个融合在一起的微球组成，任选地由存在于用于交联材料的加热微球表面上的官能团辅助。当微球体与可以任选地与微球表面上的官能团反应的基质混合，并且所得到的组合物被加热时，微球体膨胀以产生发泡复合材料，其中微球可以熔融或化学交联到基质上。

3. 发明申请

US20030008931A1 Expandable polymeric microspheres, their method of production, and uses and products thereof 失效
公开(公告)号：US20030008931A1
公开(公告)日：2003-01-09
申请号：US10235367
申请日：2002-09-05
申请人： Nano-Tex, LLC
发明人： David S. Soane , Michael R. Houston
IPC分类号： C08J009/16
CPC分类号： B01J13/02 , B01J13/04 , B01J13/20 , C08J9/232 , C08J9/32 , C08J2203/22
摘要： The present invention is directed to thermo-expandable microspheres and to the expanded microballoons, microcellular foam or foamed composite material that results upon heating the microspheres. The thermo-expandable microsphere of the present invention is characterized by having a polymeric wall surrounding one or more pockets or particles of blowing agent or propellant within the microsphere. The polymeric wall may have reactive functional groups on its surface to give a fusible microsphere. When the microspheres are heated, they expand to form microballoons comprising polymeric shells surrounding one or more internal gaseous voids, and when the microspheres are expanded while in contact with each other, a microcellular foam may be formed. The foam consists of a plurality of microballoons fused together, optionally aided by functional groups present on the surface of the heated microspheres that act to crosslink the material. When microspheres are mixed with a matrix, which can optionally react with functional groups on the microsphere surface, and the resulting combination is heated, the microspheres expand to give a foamed composite material in which the microballoons may be fused or chemically crosslinked to the matrix.

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