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    • 21. 发明公开
    • 폴리우레탄 탄성 섬유
    • 聚氨酯弹性纤维
    • KR1020090118997A
    • 2009-11-18
    • KR1020097020784
    • 2008-06-11
    • 아사히 가세이 셍이 가부시키가이샤
    • 고지마쥰이치이와나미다이스케
    • D06P3/06D06P1/32
    • D01F6/94C08F8/32C08F2800/10D01F6/70Y10T442/413C08F210/10C08F222/06
    • It is intended to provide a polyurethane elastic fiber which has a high fastness and a deep dyeability equal to that of a polyamide fiber or the like as a counterpart material of an alternately knitted fabric in dyeing with an acid dye and is excellent in spinning stability. The polyurethane elastic fiber of the invention contains 0.2% by weight to 10% by weight of a polymer composed of an isobutylene unit represented by the following formula (I) and a maleimide unit represented by the following formula (II) (wherein R1 represents a linear or branched alkylene group having 2 to 6 carbon atoms, and R2 and R3 may be the same or different and each represents a linear or branched alkyl group having 1 to 6 carbon atoms) and having a maleimide structure, has a blue L value after washing a cylindrically knitted fabric with one opening dyed with a specific blue acid dye according to the JIS L0844 A2 method of 20 or more and 50 or less, and shows a degree of staining of a nylon white cloth of 3.5 grade or more(I), (II).
    • 本发明提供一种聚氨酯弹性纤维,其具有与聚酰胺纤维等相当的耐高牢度和深度可染性,作为与酸性染料染色的交替编织物的配对材料,并且纺丝稳定性优异。 本发明的聚氨酯弹性纤维含有0.2重量%〜10重量%的由下式(I)表示的异丁烯单元和由下式(II)表示的马来酰亚胺单元构成的聚合物(其中,R1表示 具有2〜6个碳原子的直链或支链亚烷基,R2和R3可以相同或不同,表示碳原子数1〜6的直链或支链烷基),具有马来酰亚胺结构,具有蓝色L值 按照JIS L0844A2方法,按照JIS L0844A2方法,用特定的蓝色染料染色的一个开口洗涤一个圆筒编织物,其长度为20以上且50以下,尼龙白布的染色度为3.5级以上(I) ,(II)。
    • 23. 发明公开
    • 중공사막형 혈액 정화 장치
    • 中空纤维膜类型血液净化器
    • KR1020080034988A
    • 2008-04-22
    • KR1020087005594
    • 2006-08-09
    • 아사히 카세이 쿠라레 메디칼 가부시키가이샤
    • 고무라,료고이즈미,도시노리
    • A61M1/18A61M1/14A61M1/34
    • D01F6/94A61M1/16B01D65/02B01D65/022B01D67/0088B01D67/009B01D71/68B01D2321/00D01D5/24D01F6/56
    • A hollow fiber membrane type blood purifier packed with hollow fiber membranes comprising a polysulfone resin and polyvinylpyrrolidone. Even when sterilized by irradiation with a radiation, the hollow fiber membrane type blood purifier is less apt to suffer polyvinylpyrrolidone dissolution and can be inhibited from decreasing in blood compatibility. The purifier is of the type called semidry, and is lightweight and has excellent handleability. The hollow fiber membrane type blood purifier comprises a bundle of hollow fiber membranes comprising a polysulfone resin and polyvinylpyrrolidone, a container packed therewith, and a potting agent disposed between each bundle end and the container to hold the bundle and thereby form a hollow-fiber-membrane inside chamber and a hollow-fiber-membrane outside chamber. The purifier has fluid ports connected to the hollow-fiber-membrane inside chamber and a fluid port connected to the hollow-fiber-membrane outside chamber. The hollow fiber membrane type blood purifier is characterized in that the hollow fiber membranes have, adherent thereto, a radical trapping agent in an amount of 80-300% based on the dry weight of the hollow fiber membranes, have a water content of 40-100%, excluding 100%, and have been sterilized with a radiation.
    • 一种填充有中空纤维膜的中空纤维膜型血液净化器,其包含聚砜树脂和聚乙烯吡咯烷酮。 即使通过辐射照射进行灭菌,中空纤维膜型血液净化剂也不易遭受聚乙烯吡咯烷酮溶解,可以抑制血液相容性降低。 净化器类型称为半干式,重量轻,处理性能好。 中空纤维膜型血液净化器包括一束包含聚砜树脂和聚乙烯吡咯烷酮的中空纤维膜,其中装有容器,以及设置在每个束端和容器之间的灌封剂以保持束,从而形成中空纤维 - 膜内腔和中空纤维膜外室。 净化器具有连接到中空纤维膜内腔的流体端口和连接到中空纤维 - 膜外部室的流体端口。 中空纤维膜型血液净化器的特征在于,中空纤维膜粘附有基于中空纤维膜的干重为80〜300%的自由基捕获剂,其含水量为40〜 100%,不包括100%,并用辐射灭菌。