Method of preparing organic porous solids and solids obtainable by this method
    226.
    发明公开
    Method of preparing organic porous solids and solids obtainable by this method 有权
    一种用于有机多孔固体的制备和使用该方法制造的固体处理

    公开(公告)号:EP2014699A1

    公开(公告)日:2009-01-14

    申请号:EP07011830.2

    申请日:2007-06-15

    CPC classification number: C08J9/26 C08J2201/0444 C08J2379/04

    Abstract: The present invention relates to a method of preparing porous solids, which method comprises polymerizing, in a salt melt or a eutectic mixture of salt melt containing at least one Lewis acidic salt, cyano monomers having at least two cyano groups in their molecule, wherein the at least two cyano groups are bonded to a rigid linking group in the cyano monomer, as well as to the porous solids obtainable by that method. Owing to their porosity and the associated extremely high specific surface area, the porous solids are useful as sorbent, filtering and insulating materials, as well as catalyst carriers.

    Abstract translation: 本发明涉及制备多孔固体的方法,该方法包括聚合,在盐熔体或盐熔体的含有至少一种路易斯酸性盐的低共熔混合物,具有至少两个氰基的在其分子氰基单体,worin的 至少两个氰基键合至在氰基单体的刚性连接基团,以及在多孔固体得到的通过方法一样。 由于它们的孔隙率和相关的极高比表面积,多孔固体如吸附剂,过滤和绝缘材料,以及催化剂载体是有用的。

    Medical devices and applications of polyhydroxyalkanoate polymers
    227.
    发明公开
    Medical devices and applications of polyhydroxyalkanoate polymers 有权
    MedizinischeGeräteund Anwendungen aus Polyhydroxyalkanoat-Polymeren

    公开(公告)号:EP1867348A2

    公开(公告)日:2007-12-19

    申请号:EP07075835.4

    申请日:2000-03-24

    Abstract: Devices formed of or including biocompatible polyhydroxylkanoates are provided with controlled degradation rates, preferably less than one year under physiological conditions. Preferred devices include sutures, suture fasteners, meniscus repair devices, rivets, tacks, staples, screws (including interference screws), bone plates and bone plating system, surgical mesh, repair patches, slings, cardiovascular patches, orthopedic pins (including bone filling augmentation material), adhesion barriers, stents, guided tissue repair/regeneration devices, articular cartilage repair devices, nerve guides, tendon repair devices, atrial septal defect repair devices, pericardial patches, bulking and filling agents, vein valves, bone marrow scaffolds, meniscus regeneration devices, ligament and tendon grafts, ocular cell implants, spinal fusion cages, skin substitutes, dural substitutes, bone graft substitutes, bone dowels, wound dressings, and hemostats. The polyhydroxyalkanoates can contain additives, be formed of mixtures of monomers or include pendant groups or modifications in their backbones, or can be chemically modified, all to alter the degradation rates. The polyhydroxyalkanoate compositions also provide favorable mechanical properties, biocompatibility, and degradation times within desirable time frames under physiological conditions.

    Abstract translation: 由生物相容性聚羟基烷酸酯形成或包括生物相容性聚羟基烷酸酯的设备具有受控的降解速率,优选在生理条件下小于一年。 优选的装置包括缝线,缝线紧固件,弯月面修复装置,铆钉,钉,钉,螺钉(包括干涉螺钉),骨板和骨电镀系统,外科手术网,修复贴片,吊索,心血管贴片,矫形针 材料),粘附屏障,支架,引导组织修复/再生装置,关节软骨修复装置,神经导管,肌腱修复装置,房间隔缺损修复装置,心包块,填充剂和填充剂,静脉瓣,骨髓支架,半月板再生 器械,韧带和腱移植物,眼细胞植入物,脊髓融合笼,皮肤替代物,硬脑膜替代物,骨移植物替代物,骨榫,伤口敷料和止血剂。 聚羟基链烷酸酯可以含有由单体混合物形成的添加剂,或者在其主链中包括侧基或修饰,或者可以进行化学改性,以改变降解速率。 聚羟基链烷酸酯组合物还在生理条件下的期望时间范围内提供有利的机械性能,生物相容性和降解时间。

    PROCEDE DE FABRICATION DE PRODUITS ALVEOLAIRES CELLULOSIQUES
    229.
    发明授权
    PROCEDE DE FABRICATION DE PRODUITS ALVEOLAIRES CELLULOSIQUES 失效
    用于生产发泡纸浆制品

    公开(公告)号:EP0897411B1

    公开(公告)日:2003-10-01

    申请号:EP97923135.4

    申请日:1997-05-06

    Abstract: The invention discloses a method for manufacturing alveolate cellulose products (sponges, sponge-cloths...), from a cellulose raw material, which comprises: dissolving at least partially the said cellulose raw material in an intrinsic solvent; incorporating, under agitation, into the resulting mixture an effective amount of at least one pore forming agent; the said pore forming agent(s), compatible with the cellulose mixture, being suitable for generating, when their action develops, a macro- and a microporosity; gelling the consistent homogeneous mass thus obtained; treating the said gelled mass under conditions where the dissolved cellulose precipitates and the action of the pore forming agent(s) present develops. The said method is an advantageous alternative to the polluting viscose method. The products obtained have properties quite similar to those of the products obtained by the said viscose method. The said new products are part of the invention.

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