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    • 7. 发明公开
    • A process for improving a water absorbent polyacrylic acid polymer and an improved polymer produced by said process
    • 改善吸水的丙烯酸聚合物的方法,以及由该方法制备的聚合物。
    • EP0248437A2
    • 1987-12-09
    • EP87108131.1
    • 1987-06-04
    • Taiyo Fishery Co., Ltd.
    • Saotome, Kazuo
    • C08K5/14C08J3/24
    • C08J3/245C08J2333/02
    • A process for improving a water absorbent polyacrylic acid polymer in which the polymer is contacted with an aqueous solution containing a water soluble peroxide radical initiator, followed by heating, thereby causing substantially only the surface portion of the polymer to undergo crosslinking with the radical initiator while leaving the remaining core portion of the polymer substan­tially intact. The improved water absorbent polyacrylic acid polymer is excellent in both water absorbency and water absorption rate, and the hydrogel resulting from absorption of water has a pleasant, non-sticky feel. The improved water absorbent polyacrylic acid polymer can be advantageously utilized to produce a desirable disposable diaper, sanitary napkin, surgical pad, surgical sheet, paper towel or the like.
    • 一种提高在其中聚合物与在wässrige溶液接触含有水溶性过氧化物自由基引发剂的吸水性聚丙烯酸聚合物的方法,通过加热随后,从而使基本上仅由聚合物的表面部分,以经历与自由基引发剂而交联 留下聚合物的剩余芯部基本完整。 改进的吸水性聚丙烯酸聚合物是同时具有优异的吸水性和吸水速度,并且所述水凝胶由水吸收引起具有令人愉快的,非粘性的感觉。 改进的吸水性聚丙烯酸聚合物可有利地用于产生所希望的一次性尿布,生理用卫生巾,手术用衬垫,手术片,纸巾等。
    • 9. 发明公开
    • Method for inspecting leakage of sealed container
    • 韦尔法罕zurLeckprüfungvon verschlossenemBehälter。
    • EP0355699A2
    • 1990-02-28
    • EP89115120.1
    • 1989-08-16
    • TAIYO FISHERY CO., LTD.
    • Maruyama, MinoruKagawa, TakahikoInukai, TahikoNonaka, MichioKajiwara, Kiyoshi
    • G01M3/36
    • G01M3/363
    • There is disclosed a method for inspecting leakage of a sealed container which is effectively used for detecting a leaking place such as a pin hole, crack, etc. of a sealed container (2) which contains foods, pharmaceuticals, chemical in­dustrial products, etc. A method for inspecting leakage of a sealed container (2) according to the present invention com­prises changing an internal pressure of a vacuum chamber (1) provided therein with an eddy-current displacement sensor (9) to a predetermined degree of vacuum from a normal pressure after putting a sealed container (2) having a conductive material at least at a portion to be inspected in the chamber; detecting an amount of expansion of the sealed container (2) at the degree of vacuum in time sequence by the eddy-current displacement sensor (9); and determining any aging change in the amount of ex­pansion after a time when the detected amount of expansion shows the maximum value, thereby to find out any pin hole formed in the sealed container.
    • 公开了一种用于检测密封容器泄漏的方法,该密封容器有效地用于检测包含食品,药品,化学工业产品等的密封容器(2)的针孔,裂纹等泄漏场所。 根据本发明的用于检查密封容器(2)的泄漏的方法包括:将设置在其中的真空室(1)的内部压力从正常变化到涡流位移传感器(9)至预定真空度 将具有导电材料的密封容器(2)至少放置在所述腔室中待检查的部分之后的压力; 通过涡流位移传感器(9)以时间顺序检测密封容器(2)的真空度的膨胀量; 并且在检测到的膨胀量显示最大值的时间之后确定膨胀量的任何老化变化,从而找出在密封容器中形成的任何针孔。